Compare commits
20 Commits
constraint
...
constraint
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94
demos/constraint-editor/constraint-editor-application.c
Normal file
94
demos/constraint-editor/constraint-editor-application.c
Normal file
@@ -0,0 +1,94 @@
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/*
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* Copyright © 2019 Red Hat, Inc.
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*
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||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Matthias Clasen
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*/
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#include "config.h"
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#include "constraint-editor-application.h"
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#include "constraint-editor-window.h"
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struct _ConstraintEditorApplication
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{
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GtkApplication parent_instance;
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};
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G_DEFINE_TYPE(ConstraintEditorApplication, constraint_editor_application, GTK_TYPE_APPLICATION);
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static void
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constraint_editor_application_init (ConstraintEditorApplication *app)
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{
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}
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static void
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quit_activated (GSimpleAction *action,
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GVariant *parameter,
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gpointer data)
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{
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g_application_quit (G_APPLICATION (data));
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}
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static GActionEntry app_entries[] =
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{
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{ "quit", quit_activated, NULL, NULL, NULL }
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};
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static void
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constraint_editor_application_startup (GApplication *app)
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{
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const char *quit_accels[2] = { "<Ctrl>Q", NULL };
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GtkCssProvider *provider;
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G_APPLICATION_CLASS (constraint_editor_application_parent_class)->startup (app);
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g_action_map_add_action_entries (G_ACTION_MAP (app),
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app_entries, G_N_ELEMENTS (app_entries),
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app);
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gtk_application_set_accels_for_action (GTK_APPLICATION (app), "app.quit", quit_accels);
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provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_resource (provider, "/org/gtk/gtk4/constraint-editor/constraint-editor.css");
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gtk_style_context_add_provider_for_display (gdk_display_get_default (),
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GTK_STYLE_PROVIDER (provider),
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GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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}
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static void
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constraint_editor_application_activate (GApplication *app)
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{
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ConstraintEditorWindow *win;
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win = constraint_editor_window_new (CONSTRAINT_EDITOR_APPLICATION (app));
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gtk_window_present (GTK_WINDOW (win));
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}
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static void
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constraint_editor_application_class_init (ConstraintEditorApplicationClass *class)
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{
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GApplicationClass *application_class = G_APPLICATION_CLASS (class);
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application_class->startup = constraint_editor_application_startup;
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application_class->activate = constraint_editor_application_activate;
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}
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ConstraintEditorApplication *
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constraint_editor_application_new (void)
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{
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return g_object_new (CONSTRAINT_EDITOR_APPLICATION_TYPE,
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"application-id", "org.gtk.gtk4.ConstraintEditor",
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NULL);
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}
|
28
demos/constraint-editor/constraint-editor-application.h
Normal file
28
demos/constraint-editor/constraint-editor-application.h
Normal file
@@ -0,0 +1,28 @@
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/*
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* Copyright © 2019 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public
|
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* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
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*
|
||||
* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
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*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Matthias Clasen
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*/
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#pragma once
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#include <gtk/gtk.h>
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#define CONSTRAINT_EDITOR_APPLICATION_TYPE (constraint_editor_application_get_type ())
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G_DECLARE_FINAL_TYPE (ConstraintEditorApplication, constraint_editor_application, CONSTRAINT, EDITOR_APPLICATION, GtkApplication)
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ConstraintEditorApplication *constraint_editor_application_new (void);
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354
demos/constraint-editor/constraint-editor-window.c
Normal file
354
demos/constraint-editor/constraint-editor-window.c
Normal file
@@ -0,0 +1,354 @@
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/*
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* Copyright © 2019 Red Hat, Inc.
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*
|
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* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
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||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
|
||||
* Authors: Matthias Clasen
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*/
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#include "config.h"
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#include "constraint-editor-window.h"
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#include "constraint-view.h"
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#include "constraint-editor.h"
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#include "guide-editor.h"
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struct _ConstraintEditorWindow
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{
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GtkApplicationWindow parent_instance;
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GtkWidget *paned;
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GtkWidget *view;
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GtkWidget *list;
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};
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G_DEFINE_TYPE(ConstraintEditorWindow, constraint_editor_window, GTK_TYPE_APPLICATION_WINDOW);
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gboolean
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constraint_editor_window_load (ConstraintEditorWindow *self,
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GFile *file)
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{
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GBytes *bytes;
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bytes = g_file_load_bytes (file, NULL, NULL, NULL);
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if (bytes == NULL)
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return FALSE;
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if (!g_utf8_validate (g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes), NULL))
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{
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g_bytes_unref (bytes);
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return FALSE;
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}
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#if 0
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gtk_text_buffer_get_end_iter (self->text_buffer, &end);
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gtk_text_buffer_insert (self->text_buffer,
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&end,
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g_bytes_get_data (bytes, NULL),
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g_bytes_get_size (bytes));
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#endif
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g_bytes_unref (bytes);
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return TRUE;
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}
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static void
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constraint_editor_window_finalize (GObject *object)
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{
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//ConstraintEditorWindow *self = (ConstraintEditorWindow *)object;
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G_OBJECT_CLASS (constraint_editor_window_parent_class)->finalize (object);
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}
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static int child_counter;
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static int guide_counter;
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static void
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add_child (ConstraintEditorWindow *win)
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{
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char *name;
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child_counter++;
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name = g_strdup_printf ("Child %d", child_counter);
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constraint_view_add_child (CONSTRAINT_VIEW (win->view), name);
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g_free (name);
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}
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static void
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add_guide (ConstraintEditorWindow *win)
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{
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char *name;
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GtkConstraintGuide *guide;
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guide_counter++;
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name = g_strdup_printf ("Guide %d", guide_counter);
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guide = g_object_new (GTK_TYPE_CONSTRAINT_GUIDE, NULL);
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g_object_set_data_full (G_OBJECT (guide), "name", name, g_free);
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constraint_view_add_guide (CONSTRAINT_VIEW (win->view), guide);
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}
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static void
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constraint_editor_done (ConstraintEditor *editor,
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GtkConstraint *constraint,
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ConstraintEditorWindow *win)
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{
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GtkConstraint *old_constraint;
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g_object_get (editor, "constraint", &old_constraint, NULL);
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if (old_constraint)
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constraint_view_remove_constraint (CONSTRAINT_VIEW (win->view), old_constraint);
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constraint_view_add_constraint (CONSTRAINT_VIEW (win->view), constraint);
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g_clear_object (&old_constraint);
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gtk_widget_destroy (gtk_widget_get_ancestor (GTK_WIDGET (editor), GTK_TYPE_WINDOW));
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}
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static void
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edit_constraint (ConstraintEditorWindow *win,
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GtkConstraint *constraint)
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{
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GtkWidget *window;
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ConstraintEditor *editor;
|
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GListModel *model;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (win));
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gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
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if (constraint)
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gtk_window_set_title (GTK_WINDOW (window), "Edit Constraint");
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else
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gtk_window_set_title (GTK_WINDOW (window), "Create Constraint");
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model = constraint_view_get_model (CONSTRAINT_VIEW (win->view));
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editor = constraint_editor_new (model, constraint);
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gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (editor));
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g_signal_connect (editor, "done", G_CALLBACK (constraint_editor_done), win);
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gtk_widget_show (window);
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}
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static void
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add_constraint (ConstraintEditorWindow *win)
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{
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edit_constraint (win, NULL);
|
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}
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|
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static void
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guide_editor_done (GuideEditor *editor,
|
||||
GtkConstraintGuide *guide,
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ConstraintEditorWindow *win)
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{
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constraint_view_guide_changed (CONSTRAINT_VIEW (win->view), guide);
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gtk_widget_destroy (gtk_widget_get_ancestor (GTK_WIDGET (editor), GTK_TYPE_WINDOW));
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}
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static void
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edit_guide (ConstraintEditorWindow *win,
|
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GtkConstraintGuide *guide)
|
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{
|
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GtkWidget *window;
|
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GuideEditor *editor;
|
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|
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
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gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
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gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (win));
|
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gtk_window_set_title (GTK_WINDOW (window), "Edit Guide");
|
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|
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editor = guide_editor_new (guide);
|
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gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (editor));
|
||||
|
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g_signal_connect (editor, "done", G_CALLBACK (guide_editor_done), win);
|
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gtk_widget_show (window);
|
||||
}
|
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|
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static void
|
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row_activated (GtkListBox *list,
|
||||
GtkListBoxRow *row,
|
||||
ConstraintEditorWindow *win)
|
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{
|
||||
GObject *item;
|
||||
|
||||
item = G_OBJECT (g_object_get_data (G_OBJECT (row), "item"));
|
||||
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
edit_constraint (win, GTK_CONSTRAINT (item));
|
||||
else if (GTK_IS_CONSTRAINT_GUIDE (item))
|
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edit_guide (win, GTK_CONSTRAINT_GUIDE (item));
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_window_class_init (ConstraintEditorWindowClass *class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
|
||||
|
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g_type_ensure (CONSTRAINT_VIEW_TYPE);
|
||||
|
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object_class->finalize = constraint_editor_window_finalize;
|
||||
|
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gtk_widget_class_set_template_from_resource (widget_class,
|
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"/org/gtk/gtk4/constraint-editor/constraint-editor-window.ui");
|
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|
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gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, paned);
|
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gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, view);
|
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gtk_widget_class_bind_template_child (widget_class, ConstraintEditorWindow, list);
|
||||
|
||||
gtk_widget_class_bind_template_callback (widget_class, add_child);
|
||||
gtk_widget_class_bind_template_callback (widget_class, add_guide);
|
||||
gtk_widget_class_bind_template_callback (widget_class, add_constraint);
|
||||
gtk_widget_class_bind_template_callback (widget_class, row_activated);
|
||||
}
|
||||
|
||||
static void
|
||||
row_edit (GtkButton *button,
|
||||
ConstraintEditorWindow *win)
|
||||
{
|
||||
GtkWidget *row;
|
||||
GObject *item;
|
||||
|
||||
row = gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_LIST_BOX_ROW);
|
||||
item = (GObject *)g_object_get_data (G_OBJECT (row), "item");
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
edit_constraint (win, GTK_CONSTRAINT (item));
|
||||
else if (GTK_IS_CONSTRAINT_GUIDE (item))
|
||||
edit_guide (win, GTK_CONSTRAINT_GUIDE (item));
|
||||
}
|
||||
|
||||
static void
|
||||
mark_constraints_invalid (ConstraintEditorWindow *win,
|
||||
gpointer removed)
|
||||
{
|
||||
GtkWidget *child;
|
||||
GObject *item;
|
||||
|
||||
for (child = gtk_widget_get_first_child (win->list);
|
||||
child;
|
||||
child = gtk_widget_get_next_sibling (child))
|
||||
{
|
||||
item = (GObject *)g_object_get_data (G_OBJECT (child), "item");
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
{
|
||||
GtkConstraint *constraint = GTK_CONSTRAINT (item);
|
||||
|
||||
if (gtk_constraint_get_target (constraint) == (GtkConstraintTarget *)removed ||
|
||||
gtk_constraint_get_source (constraint) == (GtkConstraintTarget *)removed)
|
||||
{
|
||||
GtkWidget *button;
|
||||
button = (GtkWidget *)g_object_get_data (G_OBJECT (child), "edit");
|
||||
gtk_button_set_icon_name (GTK_BUTTON (button), "dialog-warning-symbolic");
|
||||
gtk_widget_set_tooltip_text (button, "Constraint is invalid");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
row_delete (GtkButton *button,
|
||||
ConstraintEditorWindow *win)
|
||||
{
|
||||
GtkWidget *row;
|
||||
GObject *item;
|
||||
|
||||
row = gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_LIST_BOX_ROW);
|
||||
item = (GObject *)g_object_get_data (G_OBJECT (row), "item");
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
constraint_view_remove_constraint (CONSTRAINT_VIEW (win->view),
|
||||
GTK_CONSTRAINT (item));
|
||||
else if (GTK_IS_CONSTRAINT_GUIDE (item))
|
||||
{
|
||||
mark_constraints_invalid (win, item);
|
||||
constraint_view_remove_guide (CONSTRAINT_VIEW (win->view),
|
||||
GTK_CONSTRAINT_GUIDE (item));
|
||||
}
|
||||
else if (GTK_IS_WIDGET (item))
|
||||
{
|
||||
mark_constraints_invalid (win, item);
|
||||
constraint_view_remove_child (CONSTRAINT_VIEW (win->view),
|
||||
GTK_WIDGET (item));
|
||||
}
|
||||
}
|
||||
|
||||
static GtkWidget *
|
||||
create_widget_func (gpointer item,
|
||||
gpointer user_data)
|
||||
{
|
||||
ConstraintEditorWindow *win = user_data;
|
||||
const char *name;
|
||||
GtkWidget *row, *box, *label, *button;
|
||||
|
||||
name = (const char *)g_object_get_data (G_OBJECT (item), "name");
|
||||
|
||||
row = gtk_list_box_row_new ();
|
||||
g_object_set_data (G_OBJECT (row), "item", item);
|
||||
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
|
||||
label = gtk_label_new (name);
|
||||
g_object_set (label,
|
||||
"margin", 10,
|
||||
NULL);
|
||||
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
|
||||
gtk_widget_set_hexpand (label, TRUE);
|
||||
gtk_container_add (GTK_CONTAINER (row), box);
|
||||
gtk_container_add (GTK_CONTAINER (box), label);
|
||||
|
||||
if (GTK_IS_CONSTRAINT (item) || GTK_IS_CONSTRAINT_GUIDE (item))
|
||||
{
|
||||
button = gtk_button_new_from_icon_name ("document-edit-symbolic");
|
||||
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
|
||||
g_signal_connect (button, "clicked", G_CALLBACK (row_edit), win);
|
||||
g_object_set_data (G_OBJECT (row), "edit", button);
|
||||
gtk_container_add (GTK_CONTAINER (box), button);
|
||||
button = gtk_button_new_from_icon_name ("edit-delete-symbolic");
|
||||
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
|
||||
g_signal_connect (button, "clicked", G_CALLBACK (row_delete), win);
|
||||
gtk_container_add (GTK_CONTAINER (box), button);
|
||||
}
|
||||
else if (GTK_IS_WIDGET (item))
|
||||
{
|
||||
button = gtk_button_new_from_icon_name ("edit-delete-symbolic");
|
||||
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
|
||||
g_signal_connect (button, "clicked", G_CALLBACK (row_delete), win);
|
||||
gtk_container_add (GTK_CONTAINER (box), button);
|
||||
}
|
||||
|
||||
return row;
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_window_init (ConstraintEditorWindow *self)
|
||||
{
|
||||
gtk_widget_init_template (GTK_WIDGET (self));
|
||||
|
||||
gtk_list_box_bind_model (GTK_LIST_BOX (self->list),
|
||||
constraint_view_get_model (CONSTRAINT_VIEW (self->view)),
|
||||
create_widget_func,
|
||||
self,
|
||||
NULL);
|
||||
}
|
||||
|
||||
ConstraintEditorWindow *
|
||||
constraint_editor_window_new (ConstraintEditorApplication *application)
|
||||
{
|
||||
return g_object_new (CONSTRAINT_EDITOR_WINDOW_TYPE,
|
||||
"application", application,
|
||||
NULL);
|
||||
}
|
34
demos/constraint-editor/constraint-editor-window.h
Normal file
34
demos/constraint-editor/constraint-editor-window.h
Normal file
@@ -0,0 +1,34 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
#include "constraint-editor-application.h"
|
||||
|
||||
|
||||
#define CONSTRAINT_EDITOR_WINDOW_TYPE (constraint_editor_window_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintEditorWindow, constraint_editor_window, CONSTRAINT, EDITOR_WINDOW, GtkApplicationWindow)
|
||||
|
||||
ConstraintEditorWindow * constraint_editor_window_new (ConstraintEditorApplication *application);
|
||||
|
||||
gboolean constraint_editor_window_load (ConstraintEditorWindow *self,
|
||||
GFile *file);
|
68
demos/constraint-editor/constraint-editor-window.ui
Normal file
68
demos/constraint-editor/constraint-editor-window.ui
Normal file
@@ -0,0 +1,68 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<interface>
|
||||
<template class="ConstraintEditorWindow" parent="GtkApplicationWindow">
|
||||
<style>
|
||||
<class name="devel"/>
|
||||
</style>
|
||||
<property name="title" translatable="yes">GTK Constraint Editor</property>
|
||||
<property name="default-width">1024</property>
|
||||
<property name="default-height">768</property>
|
||||
<child type="titlebar">
|
||||
<object class="GtkHeaderBar" id="header">
|
||||
<property name="title" translatable="yes">GTK Constraint Editor</property>
|
||||
<property name="show-title-buttons">1</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkPaned" id="paned">
|
||||
<property name="orientation">horizontal</property>
|
||||
<child>
|
||||
<object class="GtkBox">
|
||||
<property name="orientation">vertical</property>
|
||||
<child>
|
||||
<object class="GtkBox">
|
||||
<property name="orientation">horizontal</property>
|
||||
<child>
|
||||
<object class="GtkButton">
|
||||
<property name="label">Add Child</property>
|
||||
<signal name="clicked" handler="add_child" swapped="yes"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton">
|
||||
<property name="label">Add Guide</property>
|
||||
<signal name="clicked" handler="add_guide" swapped="yes"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton">
|
||||
<property name="label">Add Constraint</property>
|
||||
<signal name="clicked" handler="add_constraint" swapped="yes"/>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkScrolledWindow">
|
||||
<property name="hscrollbar-policy">never</property>
|
||||
<property name="vscrollbar-policy">automatic</property>
|
||||
<property name="vexpand">1</property>
|
||||
<child>
|
||||
<object class="GtkListBox" id="list">
|
||||
<property name="show-separators">1</property>
|
||||
<property name="selection-mode">none</property>
|
||||
<signal name="row-activated" handler="row_activated"/>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="ConstraintView" id="view">
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</template>
|
||||
</interface>
|
583
demos/constraint-editor/constraint-editor.c
Normal file
583
demos/constraint-editor/constraint-editor.c
Normal file
@@ -0,0 +1,583 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "constraint-editor.h"
|
||||
|
||||
struct _ConstraintEditor
|
||||
{
|
||||
GtkWidget parent_instance;
|
||||
|
||||
GtkWidget *grid;
|
||||
GtkWidget *name;
|
||||
GtkWidget *target;
|
||||
GtkWidget *target_attr;
|
||||
GtkWidget *relation;
|
||||
GtkWidget *source;
|
||||
GtkWidget *source_attr;
|
||||
GtkWidget *multiplier;
|
||||
GtkWidget *constant;
|
||||
GtkWidget *strength;
|
||||
GtkWidget *preview;
|
||||
GtkWidget *button;
|
||||
|
||||
GtkConstraint *constraint;
|
||||
GListModel *model;
|
||||
|
||||
gboolean constructed;
|
||||
};
|
||||
|
||||
enum {
|
||||
PROP_MODEL = 1,
|
||||
PROP_CONSTRAINT,
|
||||
LAST_PROP
|
||||
};
|
||||
|
||||
static GParamSpec *pspecs[LAST_PROP];
|
||||
|
||||
enum {
|
||||
DONE,
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
static guint signals[LAST_SIGNAL];
|
||||
|
||||
G_DEFINE_TYPE(ConstraintEditor, constraint_editor, GTK_TYPE_WIDGET);
|
||||
|
||||
static const char *
|
||||
get_target_name (GtkConstraintTarget *target)
|
||||
{
|
||||
if (target == NULL)
|
||||
return "super";
|
||||
else
|
||||
return (const char *)g_object_get_data (G_OBJECT (target), "name");
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_target_combo (GListModel *model,
|
||||
GtkWidget *combo,
|
||||
gboolean is_source)
|
||||
{
|
||||
int i;
|
||||
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "super", "Super");
|
||||
|
||||
if (model)
|
||||
{
|
||||
for (i = 0; i < g_list_model_get_n_items (model); i++)
|
||||
{
|
||||
GObject *item = g_list_model_get_object (model, i);
|
||||
const char *name;
|
||||
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
continue;
|
||||
|
||||
name = get_target_name (GTK_CONSTRAINT_TARGET (item));
|
||||
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), name, name);
|
||||
g_object_unref (item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_attribute_combo (GtkWidget *combo,
|
||||
gboolean is_source)
|
||||
{
|
||||
if (is_source)
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "none", "None");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "left", "Left");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "right", "Right");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "top", "Top");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "bottom", "Bottom");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "start", "Start");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "end", "End");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "width", "Width");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "height", "Height");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "center-x", "Center X");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "center-y", "Center Y");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "baseline", "Baseline");
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_relation_combo (GtkWidget *combo)
|
||||
{
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "le", "≤");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "eq", "=");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "ge", "≥");
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_strength_combo (GtkWidget *combo)
|
||||
{
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "weak", "Weak");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "medium", "Medium");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "strong", "Strong");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "required", "Required");
|
||||
}
|
||||
|
||||
static gpointer
|
||||
get_target (GListModel *model,
|
||||
const char *id)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (strcmp ("super", id) == 0)
|
||||
return NULL;
|
||||
|
||||
for (i = 0; i < g_list_model_get_n_items (model); i++)
|
||||
{
|
||||
GObject *item = g_list_model_get_object (model, i);
|
||||
const char *name;
|
||||
if (GTK_IS_CONSTRAINT (item))
|
||||
continue;
|
||||
name = (const char *)g_object_get_data (item, "name");
|
||||
g_object_unref (item);
|
||||
if (strcmp (name, id) == 0)
|
||||
return item;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static GtkConstraintAttribute
|
||||
get_target_attr (const char *id)
|
||||
{
|
||||
GtkConstraintAttribute attr;
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_ATTRIBUTE);
|
||||
GEnumValue *value = g_enum_get_value_by_nick (class, id);
|
||||
attr = value->value;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return attr;
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_attr_nick (GtkConstraintAttribute attr)
|
||||
{
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_ATTRIBUTE);
|
||||
GEnumValue *value = g_enum_get_value (class, attr);
|
||||
const char *nick = value->value_nick;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return nick;
|
||||
}
|
||||
|
||||
static GtkConstraintRelation
|
||||
get_relation (const char *id)
|
||||
{
|
||||
GtkConstraintRelation relation;
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_RELATION);
|
||||
GEnumValue *value = g_enum_get_value_by_nick (class, id);
|
||||
relation = value->value;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return relation;
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_relation_nick (GtkConstraintRelation relation)
|
||||
{
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_RELATION);
|
||||
GEnumValue *value = g_enum_get_value (class, relation);
|
||||
const char *nick = value->value_nick;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return nick;
|
||||
}
|
||||
|
||||
static GtkConstraintStrength
|
||||
get_strength (const char *id)
|
||||
{
|
||||
GtkConstraintStrength strength;
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
|
||||
GEnumValue *value = g_enum_get_value_by_nick (class, id);
|
||||
strength = value->value;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return strength;
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_strength_nick (GtkConstraintStrength strength)
|
||||
{
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
|
||||
GEnumValue *value = g_enum_get_value (class, strength);
|
||||
const char *nick = value->value_nick;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return nick;
|
||||
}
|
||||
|
||||
static void
|
||||
create_constraint (GtkButton *button,
|
||||
ConstraintEditor *editor)
|
||||
{
|
||||
const char *id;
|
||||
gpointer target;
|
||||
GtkConstraintAttribute target_attr;
|
||||
gpointer source;
|
||||
GtkConstraintAttribute source_attr;
|
||||
GtkConstraintRelation relation;
|
||||
double multiplier;
|
||||
double constant;
|
||||
int strength;
|
||||
GtkConstraint *constraint;
|
||||
const char *name;
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target));
|
||||
target = get_target (editor->model, id);
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target_attr));
|
||||
target_attr = get_target_attr (id);
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source));
|
||||
source = get_target (editor->model, id);
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source_attr));
|
||||
source_attr = get_target_attr (id);
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->relation));
|
||||
relation = get_relation (id);
|
||||
|
||||
multiplier = g_ascii_strtod (gtk_editable_get_text (GTK_EDITABLE (editor->multiplier)), NULL);
|
||||
|
||||
constant = g_ascii_strtod (gtk_editable_get_text (GTK_EDITABLE (editor->constant)), NULL);
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->strength));
|
||||
strength = get_strength (id);
|
||||
|
||||
name = gtk_editable_get_text (GTK_EDITABLE (editor->name));
|
||||
|
||||
constraint = gtk_constraint_new (target, target_attr,
|
||||
relation,
|
||||
source, source_attr,
|
||||
multiplier,
|
||||
constant,
|
||||
strength);
|
||||
g_object_set_data_full (G_OBJECT (constraint), "name", g_strdup (name), g_free);
|
||||
g_signal_emit (editor, signals[DONE], 0, constraint);
|
||||
g_object_unref (constraint);
|
||||
}
|
||||
|
||||
static void
|
||||
source_attr_changed (ConstraintEditor *editor)
|
||||
{
|
||||
const char *id;
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source_attr));
|
||||
if (strcmp (id, "none") == 0)
|
||||
{
|
||||
gtk_combo_box_set_active (GTK_COMBO_BOX (editor->source), -1);
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "");
|
||||
gtk_widget_set_sensitive (editor->source, FALSE);
|
||||
gtk_widget_set_sensitive (editor->multiplier, FALSE);
|
||||
}
|
||||
else
|
||||
{
|
||||
gtk_widget_set_sensitive (editor->source, TRUE);
|
||||
gtk_widget_set_sensitive (editor->multiplier, TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
update_preview (ConstraintEditor *editor)
|
||||
{
|
||||
GString *str;
|
||||
const char *name;
|
||||
const char *attr;
|
||||
char *relation;
|
||||
const char *multiplier;
|
||||
const char *constant;
|
||||
double c, m;
|
||||
|
||||
if (!editor->constructed)
|
||||
return;
|
||||
|
||||
str = g_string_new ("");
|
||||
|
||||
name = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target));
|
||||
attr = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target_attr));
|
||||
relation = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (editor->relation));
|
||||
|
||||
if (name == NULL)
|
||||
name = "[ ]";
|
||||
|
||||
g_string_append_printf (str, "%s.%s %s ", name, attr, relation);
|
||||
g_free (relation);
|
||||
|
||||
constant = gtk_editable_get_text (GTK_EDITABLE (editor->constant));
|
||||
c = g_ascii_strtod (constant, NULL);
|
||||
|
||||
attr = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source_attr));
|
||||
if (strcmp (attr, "none") != 0)
|
||||
{
|
||||
name = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source));
|
||||
multiplier = gtk_editable_get_text (GTK_EDITABLE (editor->multiplier));
|
||||
m = g_ascii_strtod (multiplier, NULL);
|
||||
|
||||
if (name == NULL)
|
||||
name = "[ ]";
|
||||
|
||||
g_string_append_printf (str, "%s.%s", name, attr);
|
||||
|
||||
if (m != 1.0)
|
||||
g_string_append_printf (str, " × %g", m);
|
||||
|
||||
if (c > 0.0)
|
||||
g_string_append_printf (str, " + %g", c);
|
||||
else if (c < 0.0)
|
||||
g_string_append_printf (str, " - %g", -c);
|
||||
}
|
||||
else
|
||||
g_string_append_printf (str, "%g", c);
|
||||
|
||||
gtk_label_set_label (GTK_LABEL (editor->preview), str->str);
|
||||
|
||||
g_string_free (str, TRUE);
|
||||
}
|
||||
|
||||
static void
|
||||
update_button (ConstraintEditor *editor)
|
||||
{
|
||||
if (gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target)) != NULL &&
|
||||
gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source)) != NULL)
|
||||
gtk_widget_set_sensitive (editor->button, TRUE);
|
||||
else
|
||||
gtk_widget_set_sensitive (editor->button, FALSE);
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_init (ConstraintEditor *editor)
|
||||
{
|
||||
gtk_widget_init_template (GTK_WIDGET (editor));
|
||||
}
|
||||
|
||||
static int constraint_counter;
|
||||
|
||||
static void
|
||||
constraint_editor_constructed (GObject *object)
|
||||
{
|
||||
ConstraintEditor *editor = CONSTRAINT_EDITOR (object);
|
||||
|
||||
constraint_target_combo (editor->model, editor->target, FALSE);
|
||||
constraint_attribute_combo (editor->target_attr, FALSE);
|
||||
constraint_relation_combo (editor->relation);
|
||||
constraint_target_combo (editor->model, editor->source, TRUE);
|
||||
constraint_attribute_combo (editor->source_attr, TRUE);
|
||||
|
||||
constraint_strength_combo (editor->strength);
|
||||
|
||||
if (editor->constraint)
|
||||
{
|
||||
GtkConstraintTarget *target;
|
||||
GtkConstraintAttribute attr;
|
||||
GtkConstraintRelation relation;
|
||||
GtkConstraintStrength strength;
|
||||
const char *nick;
|
||||
char *val;
|
||||
double multiplier;
|
||||
double constant;
|
||||
|
||||
nick = (char *)g_object_get_data (G_OBJECT (editor->constraint), "name");
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->name), nick);
|
||||
|
||||
target = gtk_constraint_get_target (editor->constraint);
|
||||
nick = get_target_name (target);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->target), nick);
|
||||
|
||||
attr = gtk_constraint_get_target_attribute (editor->constraint);
|
||||
nick = get_attr_nick (attr);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->target_attr), nick);
|
||||
|
||||
target = gtk_constraint_get_source (editor->constraint);
|
||||
nick = get_target_name (target);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->source), nick);
|
||||
|
||||
attr = gtk_constraint_get_source_attribute (editor->constraint);
|
||||
nick = get_attr_nick (attr);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->source_attr), nick);
|
||||
|
||||
relation = gtk_constraint_get_relation (editor->constraint);
|
||||
nick = get_relation_nick (relation);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->relation), nick);
|
||||
|
||||
multiplier = gtk_constraint_get_multiplier (editor->constraint);
|
||||
val = g_strdup_printf ("%g", multiplier);
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), val);
|
||||
g_free (val);
|
||||
|
||||
constant = gtk_constraint_get_constant (editor->constraint);
|
||||
val = g_strdup_printf ("%g", constant);
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->constant), val);
|
||||
g_free (val);
|
||||
|
||||
strength = gtk_constraint_get_strength (editor->constraint);
|
||||
nick = get_strength_nick (strength);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->strength), nick);
|
||||
|
||||
gtk_button_set_label (GTK_BUTTON (editor->button), "Apply");
|
||||
}
|
||||
else
|
||||
{
|
||||
char *name;
|
||||
|
||||
constraint_counter++;
|
||||
name = g_strdup_printf ("Constraint %d", constraint_counter);
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->name), name);
|
||||
g_free (name);
|
||||
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->target_attr), "left");
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->source_attr), "left");
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->relation), "eq");
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->strength), "required");
|
||||
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "1.0");
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->constant), "0.0");
|
||||
|
||||
gtk_button_set_label (GTK_BUTTON (editor->button), "Create");
|
||||
}
|
||||
|
||||
editor->constructed = TRUE;
|
||||
update_preview (editor);
|
||||
update_button (editor);
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
ConstraintEditor *self = CONSTRAINT_EDITOR (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_MODEL:
|
||||
self->model = g_value_dup_object (value);
|
||||
break;
|
||||
|
||||
case PROP_CONSTRAINT:
|
||||
self->constraint = g_value_dup_object (value);
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
ConstraintEditor *self = CONSTRAINT_EDITOR (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_MODEL:
|
||||
g_value_set_object (value, self->model);
|
||||
break;
|
||||
|
||||
case PROP_CONSTRAINT:
|
||||
g_value_set_object (value, self->constraint);
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_dispose (GObject *object)
|
||||
{
|
||||
ConstraintEditor *self = (ConstraintEditor *)object;
|
||||
|
||||
g_clear_pointer (&self->grid, gtk_widget_unparent);
|
||||
g_clear_object (&self->model);
|
||||
g_clear_object (&self->constraint);
|
||||
|
||||
G_OBJECT_CLASS (constraint_editor_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_editor_class_init (ConstraintEditorClass *class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
|
||||
|
||||
object_class->constructed = constraint_editor_constructed;
|
||||
object_class->dispose = constraint_editor_dispose;
|
||||
object_class->set_property = constraint_editor_set_property;
|
||||
object_class->get_property = constraint_editor_get_property;
|
||||
|
||||
pspecs[PROP_CONSTRAINT] =
|
||||
g_param_spec_object ("constraint", "constraint", "constraint",
|
||||
GTK_TYPE_CONSTRAINT,
|
||||
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
|
||||
|
||||
pspecs[PROP_MODEL] =
|
||||
g_param_spec_object ("model", "model", "model",
|
||||
G_TYPE_LIST_MODEL,
|
||||
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
|
||||
|
||||
g_object_class_install_properties (object_class, LAST_PROP, pspecs);
|
||||
|
||||
signals[DONE] =
|
||||
g_signal_new ("done",
|
||||
G_TYPE_FROM_CLASS (object_class),
|
||||
G_SIGNAL_RUN_LAST,
|
||||
0,
|
||||
NULL, NULL,
|
||||
NULL,
|
||||
G_TYPE_NONE, 1, GTK_TYPE_CONSTRAINT);
|
||||
|
||||
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
|
||||
|
||||
gtk_widget_class_set_template_from_resource (widget_class,
|
||||
"/org/gtk/gtk4/constraint-editor/constraint-editor.ui");
|
||||
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, grid);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, name);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, target);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, target_attr);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, relation);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, source);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, source_attr);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, multiplier);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, constant);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, strength);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, preview);
|
||||
gtk_widget_class_bind_template_child (widget_class, ConstraintEditor, button);
|
||||
|
||||
gtk_widget_class_bind_template_callback (widget_class, update_preview);
|
||||
gtk_widget_class_bind_template_callback (widget_class, update_button);
|
||||
gtk_widget_class_bind_template_callback (widget_class, create_constraint);
|
||||
gtk_widget_class_bind_template_callback (widget_class, source_attr_changed);
|
||||
}
|
||||
|
||||
ConstraintEditor *
|
||||
constraint_editor_new (GListModel *model,
|
||||
GtkConstraint *constraint)
|
||||
{
|
||||
return g_object_new (CONSTRAINT_EDITOR_TYPE,
|
||||
"model", model,
|
||||
"constraint", constraint,
|
||||
NULL);
|
||||
}
|
12
demos/constraint-editor/constraint-editor.css
Normal file
12
demos/constraint-editor/constraint-editor.css
Normal file
@@ -0,0 +1,12 @@
|
||||
constraintview {
|
||||
background: black;
|
||||
color: white;
|
||||
}
|
||||
|
||||
constraintview .child {
|
||||
background: red;
|
||||
}
|
||||
|
||||
constraintview .guide {
|
||||
background: blue;
|
||||
}
|
9
demos/constraint-editor/constraint-editor.gresource.xml
Normal file
9
demos/constraint-editor/constraint-editor.gresource.xml
Normal file
@@ -0,0 +1,9 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<gresources>
|
||||
<gresource prefix="/org/gtk/gtk4/constraint-editor">
|
||||
<file preprocess="xml-stripblanks">constraint-editor-window.ui</file>
|
||||
<file preprocess="xml-stripblanks">constraint-editor.ui</file>
|
||||
<file preprocess="xml-stripblanks">guide-editor.ui</file>
|
||||
<file>constraint-editor.css</file>
|
||||
</gresource>
|
||||
</gresources>
|
29
demos/constraint-editor/constraint-editor.h
Normal file
29
demos/constraint-editor/constraint-editor.h
Normal file
@@ -0,0 +1,29 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
#define CONSTRAINT_EDITOR_TYPE (constraint_editor_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintEditor, constraint_editor, CONSTRAINT, EDITOR, GtkWidget)
|
||||
|
||||
ConstraintEditor * constraint_editor_new (GListModel *model,
|
||||
GtkConstraint *constraint);
|
180
demos/constraint-editor/constraint-editor.ui
Normal file
180
demos/constraint-editor/constraint-editor.ui
Normal file
@@ -0,0 +1,180 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<interface>
|
||||
<template class="ConstraintEditor" parent="GtkWidget">
|
||||
<child>
|
||||
<object class="GtkGrid" id="grid">
|
||||
<property name="margin">20</property>
|
||||
<property name="row-spacing">10</property>
|
||||
<property name="column-spacing">10</property>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Name</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">0</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEntry" id="name">
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">0</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Target</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="target">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<signal name="changed" handler="update_button" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="target_attr">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Relation</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="relation">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Source</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="source">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<signal name="changed" handler="update_button" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="source_attr">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<signal name="changed" handler="source_attr_changed" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Multiplier</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">4</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEntry" id="multiplier">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">4</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Constant</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">5</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEntry" id="constant">
|
||||
<signal name="changed" handler="update_preview" swapped="yes"/>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">5</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Strength</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">6</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="strength">
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">6</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel" id="preview">
|
||||
<property name="xalign">0</property>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">7</property>
|
||||
<property name="column-span">2</property>
|
||||
</layout>
|
||||
<attributes>
|
||||
<attribute name="scale" value="1.44"/>
|
||||
</attributes>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button">
|
||||
<property name="label">Create</property>
|
||||
<signal name="clicked" handler="create_constraint"/>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">8</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</template>
|
||||
</interface>
|
93
demos/constraint-editor/constraint-view-child.c
Normal file
93
demos/constraint-editor/constraint-view-child.c
Normal file
@@ -0,0 +1,93 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#include "constraint-view-child.h"
|
||||
|
||||
struct _ConstraintViewChild
|
||||
{
|
||||
GObject parent_instance;
|
||||
|
||||
char *name;
|
||||
};
|
||||
|
||||
enum {
|
||||
PROP_NAME = 1,
|
||||
LAST_PROP
|
||||
};
|
||||
|
||||
static GParamSpec props[LAST_PROP];
|
||||
|
||||
G_DEFINE_TYPE (ConstraintViewChild, constraint_view_child, G_TYPE_OBJECT)
|
||||
|
||||
static void
|
||||
constraint_view_child_init (ConstraintViewChild *child)
|
||||
{
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_view_child_finalize (GObject *object)
|
||||
{
|
||||
ConstraintViewChild *child = CONSTRAINT_VIEW_CHILD (object);
|
||||
|
||||
g_free (child->name);
|
||||
|
||||
G_OBJECT_CLASS (constraint_view_child_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_view_child_set_property (GObject *object,
|
||||
|
||||
static void
|
||||
constraint_view_child_class_init (ConstraintViewChildClass *class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
||||
|
||||
object_class->finalize = constraint_view_child_finalize;
|
||||
object_class->get_property = constraint_view_child_get_property;
|
||||
object_class->set_property = constraint_view_child_set_property;
|
||||
|
||||
props[PROP_NAME] =
|
||||
g_param_spec_string ("name", "name", "name",
|
||||
NULL,
|
||||
G_PARAM_READWRITE);
|
||||
|
||||
g_object_class_install_properties (object_class, LAST_PROP, props);
|
||||
}
|
||||
|
||||
#define CONSTRAINT_VIEW_CHILD_TYPE (constraint_view_get_type ())
|
||||
|
||||
G_DECLARE_TYPE (ConstraintViewChild, constraint_view_child, CONSTRAINT, VIEW_CHILD, GObject)
|
||||
|
||||
#define CONSTRAINT_VIEW_WIDGET_TYPE (constraint_view_widget_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewWidget, constraint_view_widget, CONSTRAINT, VIEW_WIDGET, ConstraintViewChild)
|
||||
|
||||
ConstraintViewWidget * constraint_view_widget_new (void);
|
||||
|
||||
#define CONSTRAINT_VIEW_GUIDE_TYPE (constraint_view_guide_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewGuide, constraint_view_guide, CONSTRAINT, VIEW_GUIDE, ConstraintViewChild)
|
||||
|
||||
ConstraintViewGuide * constraint_view_guide_new (void);
|
||||
|
||||
#define CONSTRAINT_VIEW_CONSTRAINT_TYPE (constraint_view_constraint_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewConstraint, constraint_view_constraint, CONSTRAINT, VIEW_CONSTRAINT, ConstraintViewChild)
|
||||
|
||||
ConstraintViewGuide * constraint_view_constraint_new (void);
|
44
demos/constraint-editor/constraint-view-child.h
Normal file
44
demos/constraint-editor/constraint-view-child.h
Normal file
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
#define CONSTRAINT_VIEW_CHILD_TYPE (constraint_view_get_type ())
|
||||
|
||||
G_DECLARE_TYPE (ConstraintViewChild, constraint_view_child, CONSTRAINT, VIEW_CHILD, GObject)
|
||||
|
||||
#define CONSTRAINT_VIEW_WIDGET_TYPE (constraint_view_widget_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewWidget, constraint_view_widget, CONSTRAINT, VIEW_WIDGET, ConstraintViewChild)
|
||||
|
||||
ConstraintViewWidget * constraint_view_widget_new (void);
|
||||
|
||||
#define CONSTRAINT_VIEW_GUIDE_TYPE (constraint_view_guide_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewGuide, constraint_view_guide, CONSTRAINT, VIEW_GUIDE, ConstraintViewChild)
|
||||
|
||||
ConstraintViewGuide * constraint_view_guide_new (void);
|
||||
|
||||
#define CONSTRAINT_VIEW_CONSTRAINT_TYPE (constraint_view_constraint_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintViewConstraint, constraint_view_constraint, CONSTRAINT, VIEW_CONSTRAINT, ConstraintViewChild)
|
||||
|
||||
ConstraintViewGuide * constraint_view_constraint_new (void);
|
277
demos/constraint-editor/constraint-view.c
Normal file
277
demos/constraint-editor/constraint-view.c
Normal file
@@ -0,0 +1,277 @@
|
||||
/* Copyright (C) 2019 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
#include "constraint-view.h"
|
||||
|
||||
struct _ConstraintView
|
||||
{
|
||||
GtkWidget parent;
|
||||
|
||||
GListStore *store;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (ConstraintView, constraint_view, GTK_TYPE_WIDGET);
|
||||
|
||||
static void
|
||||
constraint_view_dispose (GObject *object)
|
||||
{
|
||||
ConstraintView *view = CONSTRAINT_VIEW (object);
|
||||
GtkWidget *child;
|
||||
|
||||
while ((child = gtk_widget_get_first_child (GTK_WIDGET (view))) != NULL)
|
||||
gtk_widget_unparent (child);
|
||||
|
||||
g_clear_object (&view->store);
|
||||
|
||||
G_OBJECT_CLASS (constraint_view_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_view_class_init (ConstraintViewClass *klass)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
|
||||
object_class->dispose = constraint_view_dispose;
|
||||
|
||||
gtk_widget_class_set_css_name (widget_class, "constraintview");
|
||||
}
|
||||
|
||||
static void
|
||||
constraint_view_init (ConstraintView *self)
|
||||
{
|
||||
gtk_widget_set_layout_manager (GTK_WIDGET (self),
|
||||
gtk_constraint_layout_new ());
|
||||
|
||||
self->store = g_list_store_new (G_TYPE_OBJECT);
|
||||
}
|
||||
|
||||
ConstraintView *
|
||||
constraint_view_new (void)
|
||||
{
|
||||
return g_object_new (CONSTRAINT_VIEW_TYPE, NULL);
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_add_child (ConstraintView *view,
|
||||
const char *name)
|
||||
{
|
||||
GtkWidget *frame;
|
||||
GtkWidget *label;
|
||||
|
||||
label = gtk_label_new (name);
|
||||
frame = gtk_frame_new (NULL);
|
||||
gtk_style_context_add_class (gtk_widget_get_style_context (frame), "child");
|
||||
g_object_set_data_full (G_OBJECT (frame), "name", g_strdup (name), g_free);
|
||||
gtk_container_add (GTK_CONTAINER (frame), label);
|
||||
gtk_widget_set_parent (frame, GTK_WIDGET (view));
|
||||
|
||||
g_list_store_append (view->store, frame);
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_remove_child (ConstraintView *view,
|
||||
GtkWidget *child)
|
||||
{
|
||||
int i;
|
||||
|
||||
gtk_widget_unparent (child);
|
||||
|
||||
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (view->store)); i++)
|
||||
{
|
||||
if (g_list_model_get_item (G_LIST_MODEL (view->store), i) == (GObject*)child)
|
||||
{
|
||||
g_list_store_remove (view->store, i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_add_guide (ConstraintView *view,
|
||||
GtkConstraintGuide *guide)
|
||||
{
|
||||
GtkLayoutManager *manager;
|
||||
GtkWidget *frame;
|
||||
GtkWidget *label;
|
||||
const char *name;
|
||||
GtkConstraint *constraint;
|
||||
|
||||
name = (const char *)g_object_get_data (G_OBJECT (guide), "name");
|
||||
|
||||
label = gtk_label_new (name);
|
||||
frame = gtk_frame_new (NULL);
|
||||
gtk_style_context_add_class (gtk_widget_get_style_context (frame), "guide");
|
||||
g_object_set_data_full (G_OBJECT (frame), "name", g_strdup (name), g_free);
|
||||
gtk_container_add (GTK_CONTAINER (frame), label);
|
||||
gtk_widget_set_parent (frame, GTK_WIDGET (view));
|
||||
|
||||
g_object_set_data (G_OBJECT (guide), "frame", frame);
|
||||
g_object_set_data (G_OBJECT (guide), "label", label);
|
||||
|
||||
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
|
||||
gtk_constraint_layout_add_guide (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
g_object_ref (guide));
|
||||
|
||||
constraint = gtk_constraint_new (frame,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_LEFT,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_LEFT,
|
||||
1.0, 0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED);
|
||||
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
g_object_set_data (G_OBJECT (guide), "left-constraint", constraint);
|
||||
|
||||
constraint = gtk_constraint_new (frame,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
1.0, 0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED);
|
||||
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
g_object_set_data (G_OBJECT (guide), "top-constraint", constraint);
|
||||
|
||||
constraint = gtk_constraint_new (frame,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_WIDTH,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_WIDTH,
|
||||
1.0, 0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED);
|
||||
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
g_object_set_data (G_OBJECT (guide), "width-constraint", constraint);
|
||||
|
||||
constraint = gtk_constraint_new (frame,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_HEIGHT,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_HEIGHT,
|
||||
1.0, 0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED);
|
||||
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
|
||||
g_object_set_data (G_OBJECT (guide), "height-constraint", constraint);
|
||||
|
||||
g_list_store_append (view->store, guide);
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_guide_changed (ConstraintView *view,
|
||||
GtkConstraintGuide *guide)
|
||||
{
|
||||
GtkWidget *label;
|
||||
const char *name;
|
||||
int i;
|
||||
|
||||
name = (const char *)g_object_get_data (G_OBJECT (guide), "name");
|
||||
label = (GtkWidget *)g_object_get_data (G_OBJECT (guide), "label");
|
||||
gtk_label_set_label (GTK_LABEL (label), name);
|
||||
|
||||
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (view->store)); i++)
|
||||
{
|
||||
if (g_list_model_get_item (G_LIST_MODEL (view->store), i) == (GObject*)guide)
|
||||
{
|
||||
g_list_model_items_changed (G_LIST_MODEL (view->store), i, 1, 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_remove_guide (ConstraintView *view,
|
||||
GtkConstraintGuide *guide)
|
||||
{
|
||||
GtkLayoutManager *manager;
|
||||
GtkWidget *frame;
|
||||
GtkConstraint *constraint;
|
||||
int i;
|
||||
|
||||
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
|
||||
|
||||
constraint = (GtkConstraint*)g_object_get_data (G_OBJECT (guide), "left-constraint");
|
||||
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
constraint = (GtkConstraint*)g_object_get_data (G_OBJECT (guide), "top-constraint");
|
||||
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
constraint = (GtkConstraint*)g_object_get_data (G_OBJECT (guide), "width-constraint");
|
||||
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
constraint = (GtkConstraint*)g_object_get_data (G_OBJECT (guide), "height-constraint");
|
||||
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
|
||||
frame = (GtkWidget *)g_object_get_data (G_OBJECT (guide), "frame");
|
||||
gtk_widget_unparent (frame);
|
||||
|
||||
gtk_constraint_layout_remove_guide (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
guide);
|
||||
|
||||
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (view->store)); i++)
|
||||
{
|
||||
if (g_list_model_get_item (G_LIST_MODEL (view->store), i) == (GObject*)guide)
|
||||
{
|
||||
g_list_store_remove (view->store, i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_add_constraint (ConstraintView *view,
|
||||
GtkConstraint *constraint)
|
||||
{
|
||||
GtkLayoutManager *manager;
|
||||
|
||||
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
|
||||
gtk_constraint_layout_add_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
g_object_ref (constraint));
|
||||
|
||||
g_list_store_append (view->store, constraint);
|
||||
}
|
||||
|
||||
void
|
||||
constraint_view_remove_constraint (ConstraintView *view,
|
||||
GtkConstraint *constraint)
|
||||
{
|
||||
GtkLayoutManager *manager;
|
||||
int i;
|
||||
|
||||
manager = gtk_widget_get_layout_manager (GTK_WIDGET (view));
|
||||
gtk_constraint_layout_remove_constraint (GTK_CONSTRAINT_LAYOUT (manager),
|
||||
constraint);
|
||||
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (view->store)); i++)
|
||||
{
|
||||
if (g_list_model_get_item (G_LIST_MODEL (view->store), i) == (GObject*)constraint)
|
||||
{
|
||||
g_list_store_remove (view->store, i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GListModel *
|
||||
constraint_view_get_model (ConstraintView *view)
|
||||
{
|
||||
return G_LIST_MODEL (view->store);
|
||||
}
|
44
demos/constraint-editor/constraint-view.h
Normal file
44
demos/constraint-editor/constraint-view.h
Normal file
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
#define CONSTRAINT_VIEW_TYPE (constraint_view_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ConstraintView, constraint_view, CONSTRAINT, VIEW, GtkWidget)
|
||||
|
||||
ConstraintView * constraint_view_new (void);
|
||||
|
||||
void constraint_view_add_child (ConstraintView *view,
|
||||
const char *name);
|
||||
void constraint_view_remove_child (ConstraintView *view,
|
||||
GtkWidget *child);
|
||||
void constraint_view_add_guide (ConstraintView *view,
|
||||
GtkConstraintGuide *guide);
|
||||
void constraint_view_remove_guide (ConstraintView *view,
|
||||
GtkConstraintGuide *guide);
|
||||
void constraint_view_guide_changed (ConstraintView *view,
|
||||
GtkConstraintGuide *guide);
|
||||
void constraint_view_add_constraint (ConstraintView *view,
|
||||
GtkConstraint *constraint);
|
||||
void constraint_view_remove_constraint (ConstraintView *view,
|
||||
GtkConstraint *constraint);
|
||||
GListModel * constraint_view_get_model (ConstraintView *view);
|
316
demos/constraint-editor/guide-editor.c
Normal file
316
demos/constraint-editor/guide-editor.c
Normal file
@@ -0,0 +1,316 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "guide-editor.h"
|
||||
|
||||
struct _GuideEditor
|
||||
{
|
||||
GtkWidget parent_instance;
|
||||
|
||||
GtkWidget *grid;
|
||||
GtkWidget *name;
|
||||
GtkWidget *min_width;
|
||||
GtkWidget *min_height;
|
||||
GtkWidget *nat_width;
|
||||
GtkWidget *nat_height;
|
||||
GtkWidget *max_width;
|
||||
GtkWidget *max_height;
|
||||
GtkWidget *strength;
|
||||
GtkWidget *button;
|
||||
|
||||
GtkConstraintGuide *guide;
|
||||
|
||||
gboolean constructed;
|
||||
};
|
||||
|
||||
enum {
|
||||
PROP_GUIDE = 1,
|
||||
LAST_PROP
|
||||
};
|
||||
|
||||
static GParamSpec *pspecs[LAST_PROP];
|
||||
|
||||
enum {
|
||||
DONE,
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
static guint signals[LAST_SIGNAL];
|
||||
|
||||
G_DEFINE_TYPE(GuideEditor, guide_editor, GTK_TYPE_WIDGET);
|
||||
|
||||
static void
|
||||
guide_strength_combo (GtkWidget *combo)
|
||||
{
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "weak", "Weak");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "medium", "Medium");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "strong", "Strong");
|
||||
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "required", "Required");
|
||||
}
|
||||
|
||||
static GtkConstraintStrength
|
||||
get_strength (const char *id)
|
||||
{
|
||||
GtkConstraintStrength strength;
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
|
||||
GEnumValue *value = g_enum_get_value_by_nick (class, id);
|
||||
strength = value->value;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return strength;
|
||||
}
|
||||
|
||||
const char *
|
||||
get_strength_nick (GtkConstraintStrength strength)
|
||||
{
|
||||
GEnumClass *class = g_type_class_ref (GTK_TYPE_CONSTRAINT_STRENGTH);
|
||||
GEnumValue *value = g_enum_get_value (class, strength);
|
||||
const char *nick = value->value_nick;
|
||||
g_type_class_unref (class);
|
||||
|
||||
return nick;
|
||||
}
|
||||
|
||||
static void
|
||||
create_guide (GtkButton *button,
|
||||
GuideEditor *editor)
|
||||
{
|
||||
#if 0
|
||||
const char *id;
|
||||
int strength;
|
||||
#endif
|
||||
const char *name;
|
||||
int w, h;
|
||||
GtkConstraintGuide *guide;
|
||||
|
||||
//guide = gtk_constraint_guide_new ();
|
||||
if (editor->guide)
|
||||
guide = g_object_ref (editor->guide);
|
||||
else
|
||||
guide = g_object_new (GTK_TYPE_CONSTRAINT_GUIDE, NULL);
|
||||
|
||||
name = gtk_editable_get_text (GTK_EDITABLE (editor->name));
|
||||
g_object_set_data_full (G_OBJECT (guide), "name", g_strdup (name), g_free);
|
||||
|
||||
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->min_width));
|
||||
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->min_height));
|
||||
//gtk_constraint_guide_set_min_size (guide, w, h);
|
||||
g_object_set (guide, "min-width", w, "min-height", h, NULL);
|
||||
|
||||
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->nat_width));
|
||||
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->nat_height));
|
||||
//gtk_constraint_guide_set_nat_size (guide, w, h);
|
||||
g_object_set (guide, "nat-width", w, "nat-height", h, NULL);
|
||||
|
||||
#if 0
|
||||
w = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->max_width));
|
||||
h = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (editor->max_height));
|
||||
gtk_constraint_guide_set_max_size (guide, w, h);
|
||||
|
||||
id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->strength));
|
||||
strength = get_strength (id);
|
||||
gtk_constraint_guide_set_strength (guide, strength);
|
||||
#endif
|
||||
|
||||
g_signal_emit (editor, signals[DONE], 0, guide);
|
||||
g_object_unref (guide);
|
||||
}
|
||||
|
||||
static void
|
||||
guide_editor_init (GuideEditor *editor)
|
||||
{
|
||||
gtk_widget_init_template (GTK_WIDGET (editor));
|
||||
}
|
||||
|
||||
static int guide_counter;
|
||||
|
||||
static void
|
||||
guide_editor_constructed (GObject *object)
|
||||
{
|
||||
GuideEditor *editor = GUIDE_EDITOR (object);
|
||||
|
||||
guide_strength_combo (editor->strength);
|
||||
|
||||
gtk_widget_set_sensitive (editor->max_width, FALSE);
|
||||
gtk_widget_set_sensitive (editor->max_height, FALSE);
|
||||
gtk_widget_set_sensitive (editor->strength, FALSE);
|
||||
|
||||
if (editor->guide)
|
||||
{
|
||||
#if 0
|
||||
GtkConstaintStrength strength;
|
||||
#endif
|
||||
const char *nick;
|
||||
int w, h;
|
||||
|
||||
nick = (char *)g_object_get_data (G_OBJECT (editor->guide), "name");
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->name), nick);
|
||||
|
||||
//gtk_constaint_guide_get_min_size (editor->guide, &w, &h);
|
||||
g_object_get (editor->guide, "min-width", &w, "min-height", &h, NULL);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_width), w);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_height), h);
|
||||
|
||||
//gtk_constaint_guide_get_nat_size (editor->guide, &w, &h);
|
||||
g_object_get (editor->guide, "nat-width", &w, "nat-height", &h, NULL);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_width), w);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_height), h);
|
||||
|
||||
#if 0
|
||||
gtk_constaint_guide_get_max_size (editor->guide, &w, &h);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_width), w);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_height), h);
|
||||
|
||||
strength = gtk_guide_get_strength (editor->guide);
|
||||
nick = get_strength_nick (strength);
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->strength), nick);
|
||||
#endif
|
||||
|
||||
gtk_button_set_label (GTK_BUTTON (editor->button), "Apply");
|
||||
}
|
||||
else
|
||||
{
|
||||
char *name;
|
||||
|
||||
guide_counter++;
|
||||
name = g_strdup_printf ("Guide %d", guide_counter);
|
||||
gtk_editable_set_text (GTK_EDITABLE (editor->name), name);
|
||||
g_free (name);
|
||||
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_width), 0.0);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->min_height), 0.0);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_width), 0.0);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->nat_height), 0.0);
|
||||
#if 0
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_width), G_MAXINT);
|
||||
gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->max_height), G_MAXINT);
|
||||
|
||||
gtk_combo_box_set_active_id (GTK_COMBO_BOX (editor->strength), "medium");
|
||||
#endif
|
||||
|
||||
gtk_button_set_label (GTK_BUTTON (editor->button), "Create");
|
||||
}
|
||||
|
||||
editor->constructed = TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
guide_editor_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GuideEditor *self = GUIDE_EDITOR (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_GUIDE:
|
||||
self->guide = g_value_dup_object (value);
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
guide_editor_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GuideEditor *self = GUIDE_EDITOR (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_GUIDE:
|
||||
g_value_set_object (value, self->guide);
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
guide_editor_dispose (GObject *object)
|
||||
{
|
||||
GuideEditor *self = (GuideEditor *)object;
|
||||
|
||||
g_clear_pointer (&self->grid, gtk_widget_unparent);
|
||||
g_clear_object (&self->guide);
|
||||
|
||||
G_OBJECT_CLASS (guide_editor_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
guide_editor_class_init (GuideEditorClass *class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
|
||||
|
||||
object_class->constructed = guide_editor_constructed;
|
||||
object_class->dispose = guide_editor_dispose;
|
||||
object_class->set_property = guide_editor_set_property;
|
||||
object_class->get_property = guide_editor_get_property;
|
||||
|
||||
pspecs[PROP_GUIDE] =
|
||||
g_param_spec_object ("guide", "guide", "guide",
|
||||
GTK_TYPE_CONSTRAINT_GUIDE,
|
||||
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY);
|
||||
|
||||
g_object_class_install_properties (object_class, LAST_PROP, pspecs);
|
||||
|
||||
signals[DONE] =
|
||||
g_signal_new ("done",
|
||||
G_TYPE_FROM_CLASS (object_class),
|
||||
G_SIGNAL_RUN_LAST,
|
||||
0,
|
||||
NULL, NULL,
|
||||
NULL,
|
||||
G_TYPE_NONE, 1, GTK_TYPE_CONSTRAINT_GUIDE);
|
||||
|
||||
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
|
||||
|
||||
gtk_widget_class_set_template_from_resource (widget_class,
|
||||
"/org/gtk/gtk4/constraint-editor/guide-editor.ui");
|
||||
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, grid);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, name);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, min_width);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, min_height);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, nat_width);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, nat_height);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, max_width);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, max_height);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, strength);
|
||||
gtk_widget_class_bind_template_child (widget_class, GuideEditor, button);
|
||||
|
||||
gtk_widget_class_bind_template_callback (widget_class, create_guide);
|
||||
}
|
||||
|
||||
GuideEditor *
|
||||
guide_editor_new (GtkConstraintGuide *guide)
|
||||
{
|
||||
return g_object_new (GUIDE_EDITOR_TYPE,
|
||||
"guide", guide,
|
||||
NULL);
|
||||
}
|
28
demos/constraint-editor/guide-editor.h
Normal file
28
demos/constraint-editor/guide-editor.h
Normal file
@@ -0,0 +1,28 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
#define GUIDE_EDITOR_TYPE (guide_editor_get_type ())
|
||||
|
||||
G_DECLARE_FINAL_TYPE (GuideEditor, guide_editor, GUIDE, EDITOR, GtkWidget)
|
||||
|
||||
GuideEditor * guide_editor_new (GtkConstraintGuide *guide);
|
188
demos/constraint-editor/guide-editor.ui
Normal file
188
demos/constraint-editor/guide-editor.ui
Normal file
@@ -0,0 +1,188 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<interface>
|
||||
<object class="GtkAdjustment" id="min_width_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<object class="GtkAdjustment" id="min_height_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<object class="GtkAdjustment" id="nat_width_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<object class="GtkAdjustment" id="nat_height_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<object class="GtkAdjustment" id="max_width_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<object class="GtkAdjustment" id="max_height_adj">
|
||||
<property name="lower">0</property>
|
||||
<property name="upper">2147483647</property>
|
||||
<property name="step-increment">1</property>
|
||||
<property name="page-increment">10</property>
|
||||
<property name="page-size">0</property>
|
||||
</object>
|
||||
<template class="GuideEditor" parent="GtkWidget">
|
||||
<child>
|
||||
<object class="GtkGrid" id="grid">
|
||||
<property name="margin">20</property>
|
||||
<property name="row-spacing">10</property>
|
||||
<property name="column-spacing">10</property>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Name</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">0</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEntry" id="name">
|
||||
<property name="max-width-chars">20</property>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">0</property>
|
||||
<property name="column-span">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Min Size</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="min_width">
|
||||
<property name="adjustment">min_width_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="min_height">
|
||||
<property name="adjustment">min_height_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">1</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Nat Size</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="nat_width">
|
||||
<property name="adjustment">nat_width_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="nat_height">
|
||||
<property name="adjustment">nat_height_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Max Size</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="max_width">
|
||||
<property name="adjustment">max_width_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="max_height">
|
||||
<property name="adjustment">max_height_adj</property>
|
||||
<property name="max-width-chars">5</property>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">3</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="label">Strength</property>
|
||||
<layout>
|
||||
<property name="left-attach">0</property>
|
||||
<property name="top-attach">4</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkComboBoxText" id="strength">
|
||||
<layout>
|
||||
<property name="left-attach">1</property>
|
||||
<property name="top-attach">4</property>
|
||||
<property name="column-span">2</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button">
|
||||
<property name="label">Create</property>
|
||||
<signal name="clicked" handler="create_guide"/>
|
||||
<layout>
|
||||
<property name="left-attach">2</property>
|
||||
<property name="top-attach">5</property>
|
||||
</layout>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</template>
|
||||
</interface>
|
28
demos/constraint-editor/main.c
Normal file
28
demos/constraint-editor/main.c
Normal file
@@ -0,0 +1,28 @@
|
||||
/*
|
||||
* Copyright © 2019 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Authors: Matthias Clasen <mclasen@redhat.com>
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <constraint-editor-application.h>
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
return g_application_run (G_APPLICATION (constraint_editor_application_new ()), argc, argv);
|
||||
}
|
19
demos/constraint-editor/meson.build
Normal file
19
demos/constraint-editor/meson.build
Normal file
@@ -0,0 +1,19 @@
|
||||
constraint_editor_sources = [
|
||||
'main.c',
|
||||
'constraint-editor-application.c',
|
||||
'constraint-editor-window.c',
|
||||
'constraint-view.c',
|
||||
'constraint-editor.c',
|
||||
'guide-editor.c',
|
||||
]
|
||||
|
||||
constraint_editor_resources = gnome.compile_resources('constraint_editor_resources',
|
||||
'constraint-editor.gresource.xml',
|
||||
source_dir: '.')
|
||||
|
||||
executable('gtk4-constraint-editor',
|
||||
constraint_editor_sources, constraint_editor_resources,
|
||||
dependencies: libgtk_dep,
|
||||
include_directories: confinc,
|
||||
gui_app: true,
|
||||
install: false)
|
@@ -1,4 +1,4 @@
|
||||
/* Constraints
|
||||
/* Constraints/Simple
|
||||
*
|
||||
* GtkConstraintLayout provides a layout manager that uses relations
|
||||
* between widgets (also known as "constraints") to compute the position
|
||||
@@ -74,6 +74,22 @@ static void
|
||||
build_constraints (SimpleGrid *self,
|
||||
GtkConstraintLayout *manager)
|
||||
{
|
||||
GtkConstraintGuide *guide;
|
||||
|
||||
guide = g_object_new (GTK_TYPE_CONSTRAINT_GUIDE,
|
||||
"min-width", 10,
|
||||
"min-height", 10,
|
||||
"nat-width", 100,
|
||||
"nat-height", 10,
|
||||
NULL);
|
||||
gtk_constraint_layout_add_guide (manager, guide);
|
||||
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new_constant (GTK_CONSTRAINT_TARGET (self->button1),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_WIDTH,
|
||||
GTK_CONSTRAINT_RELATION_LE,
|
||||
200.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
@@ -94,12 +110,21 @@ build_constraints (SimpleGrid *self,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (self->button1,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (guide,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
self->button2,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
-12.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (self->button2,
|
||||
|
245
demos/gtk-demo/constraints2.c
Normal file
245
demos/gtk-demo/constraints2.c
Normal file
@@ -0,0 +1,245 @@
|
||||
/* Constraints/Interactive
|
||||
*
|
||||
* Demonstrate how constraints can be updates during
|
||||
* user interaction.
|
||||
*/
|
||||
|
||||
#include <glib/gi18n.h>
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
G_DECLARE_FINAL_TYPE (InteractiveGrid, interactive_grid, INTERACTIVE, GRID, GtkWidget)
|
||||
|
||||
struct _InteractiveGrid
|
||||
{
|
||||
GtkWidget parent_instance;
|
||||
|
||||
GtkWidget *button1, *button2;
|
||||
GtkWidget *button3;
|
||||
GtkConstraintGuide *guide;
|
||||
GtkConstraint *constraint;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (InteractiveGrid, interactive_grid, GTK_TYPE_WIDGET)
|
||||
|
||||
static void
|
||||
interactive_grid_destroy (GtkWidget *widget)
|
||||
{
|
||||
InteractiveGrid *self = INTERACTIVE_GRID (widget);
|
||||
|
||||
g_clear_pointer (&self->button1, gtk_widget_destroy);
|
||||
g_clear_pointer (&self->button2, gtk_widget_destroy);
|
||||
g_clear_pointer (&self->button3, gtk_widget_destroy);
|
||||
|
||||
GTK_WIDGET_CLASS (interactive_grid_parent_class)->destroy (widget);
|
||||
}
|
||||
|
||||
static void
|
||||
interactive_grid_class_init (InteractiveGridClass *klass)
|
||||
{
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
|
||||
widget_class->destroy = interactive_grid_destroy;
|
||||
|
||||
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_CONSTRAINT_LAYOUT);
|
||||
}
|
||||
|
||||
static void
|
||||
build_constraints (InteractiveGrid *self,
|
||||
GtkConstraintLayout *manager)
|
||||
{
|
||||
self->guide = g_object_new (GTK_TYPE_CONSTRAINT_GUIDE, NULL);
|
||||
gtk_constraint_layout_add_guide (manager, self->guide);
|
||||
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new_constant (GTK_CONSTRAINT_TARGET (self->guide),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_WIDTH,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->button1),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
-8.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button1),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->guide),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button2),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->guide),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button2),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
1.0,
|
||||
-8.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->button3),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
-8.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button3),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_END,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->guide),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_START,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->button1),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
1.0,
|
||||
-8.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button2),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->button1),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_BOTTOM,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button3),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_TOP,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
GTK_CONSTRAINT_TARGET (self->button2),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_BOTTOM,
|
||||
1.0,
|
||||
0.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
gtk_constraint_layout_add_constraint (manager,
|
||||
gtk_constraint_new (GTK_CONSTRAINT_TARGET (self->button3),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_BOTTOM,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
NULL,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_BOTTOM,
|
||||
1.0,
|
||||
-8.0,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED));
|
||||
}
|
||||
|
||||
static void
|
||||
drag_cb (GtkGestureDrag *drag,
|
||||
double offset_x,
|
||||
double offset_y,
|
||||
InteractiveGrid *self)
|
||||
{
|
||||
GtkConstraintLayout *layout = GTK_CONSTRAINT_LAYOUT (gtk_widget_get_layout_manager (GTK_WIDGET (self)));
|
||||
double x, y;
|
||||
|
||||
if (self->constraint)
|
||||
{
|
||||
gtk_constraint_layout_remove_constraint (layout, self->constraint);
|
||||
g_clear_object (&self->constraint);
|
||||
}
|
||||
|
||||
gtk_gesture_drag_get_start_point (drag, &x, &y);
|
||||
self->constraint = gtk_constraint_new_constant (GTK_CONSTRAINT_TARGET (self->guide),
|
||||
GTK_CONSTRAINT_ATTRIBUTE_LEFT,
|
||||
GTK_CONSTRAINT_RELATION_EQ,
|
||||
x + offset_x,
|
||||
GTK_CONSTRAINT_STRENGTH_REQUIRED);
|
||||
gtk_constraint_layout_add_constraint (layout, g_object_ref (self->constraint));
|
||||
gtk_widget_queue_allocate (GTK_WIDGET (self));
|
||||
}
|
||||
|
||||
static void
|
||||
interactive_grid_init (InteractiveGrid *self)
|
||||
{
|
||||
GtkWidget *widget = GTK_WIDGET (self);
|
||||
GtkGesture *drag;
|
||||
|
||||
self->button1 = gtk_button_new_with_label ("Child 1");
|
||||
gtk_widget_set_parent (self->button1, widget);
|
||||
gtk_widget_set_name (self->button1, "button1");
|
||||
|
||||
self->button2 = gtk_button_new_with_label ("Child 2");
|
||||
gtk_widget_set_parent (self->button2, widget);
|
||||
gtk_widget_set_name (self->button2, "button2");
|
||||
|
||||
self->button3 = gtk_button_new_with_label ("Child 3");
|
||||
gtk_widget_set_parent (self->button3, widget);
|
||||
gtk_widget_set_name (self->button3, "button3");
|
||||
|
||||
GtkLayoutManager *manager = gtk_widget_get_layout_manager (GTK_WIDGET (self));
|
||||
build_constraints (self, GTK_CONSTRAINT_LAYOUT (manager));
|
||||
|
||||
drag = gtk_gesture_drag_new ();
|
||||
g_signal_connect (drag, "drag-update", G_CALLBACK (drag_cb), self);
|
||||
gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (drag));
|
||||
}
|
||||
|
||||
GtkWidget *
|
||||
do_constraints2 (GtkWidget *do_widget)
|
||||
{
|
||||
static GtkWidget *window;
|
||||
|
||||
if (!window)
|
||||
{
|
||||
GtkWidget *header, *box, *grid, *button;
|
||||
|
||||
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
||||
gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
|
||||
|
||||
header = gtk_header_bar_new ();
|
||||
gtk_header_bar_set_title (GTK_HEADER_BAR (header), "Constraints");
|
||||
gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (header), FALSE);
|
||||
gtk_window_set_titlebar (GTK_WINDOW (window), header);
|
||||
g_signal_connect (window, "destroy",
|
||||
G_CALLBACK (gtk_widget_destroyed), &window);
|
||||
|
||||
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
||||
gtk_container_add (GTK_CONTAINER (window), box);
|
||||
|
||||
grid = g_object_new (interactive_grid_get_type (), NULL);
|
||||
gtk_widget_set_hexpand (grid, TRUE);
|
||||
gtk_widget_set_vexpand (grid, TRUE);
|
||||
gtk_container_add (GTK_CONTAINER (box), grid);
|
||||
|
||||
button = gtk_button_new_with_label ("Close");
|
||||
gtk_container_add (GTK_CONTAINER (box), button);
|
||||
gtk_widget_set_hexpand (grid, TRUE);
|
||||
g_signal_connect_swapped (button, "clicked",
|
||||
G_CALLBACK (gtk_widget_destroy), window);
|
||||
}
|
||||
|
||||
if (!gtk_widget_get_visible (window))
|
||||
gtk_widget_show (window);
|
||||
else
|
||||
gtk_widget_destroy (window);
|
||||
|
||||
return window;
|
||||
}
|
165
demos/gtk-demo/constraints3.c
Normal file
165
demos/gtk-demo/constraints3.c
Normal file
@@ -0,0 +1,165 @@
|
||||
/* Constraints/VFL
|
||||
*
|
||||
* GtkConstraintLayout allows defining constraints using a
|
||||
* compact syntax called Visual Format Language, or VFL.
|
||||
*/
|
||||
|
||||
#include <glib/gi18n.h>
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
G_DECLARE_FINAL_TYPE (VflGrid, vfl_grid, VFL, GRID, GtkWidget)
|
||||
|
||||
struct _VflGrid
|
||||
{
|
||||
GtkWidget parent_instance;
|
||||
|
||||
GtkWidget *button1, *button2;
|
||||
GtkWidget *button3;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (VflGrid, vfl_grid, GTK_TYPE_WIDGET)
|
||||
|
||||
static void
|
||||
vfl_grid_destroy (GtkWidget *widget)
|
||||
{
|
||||
VflGrid *self = VFL_GRID (widget);
|
||||
|
||||
g_clear_pointer (&self->button1, gtk_widget_destroy);
|
||||
g_clear_pointer (&self->button2, gtk_widget_destroy);
|
||||
g_clear_pointer (&self->button3, gtk_widget_destroy);
|
||||
|
||||
GTK_WIDGET_CLASS (vfl_grid_parent_class)->destroy (widget);
|
||||
}
|
||||
|
||||
static void
|
||||
vfl_grid_class_init (VflGridClass *klass)
|
||||
{
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
|
||||
widget_class->destroy = vfl_grid_destroy;
|
||||
|
||||
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_CONSTRAINT_LAYOUT);
|
||||
}
|
||||
|
||||
/* Layout:
|
||||
*
|
||||
* +-----------------------------+
|
||||
* | +-----------+ +-----------+ |
|
||||
* | | Child 1 | | Child 2 | |
|
||||
* | +-----------+ +-----------+ |
|
||||
* | +-------------------------+ |
|
||||
* | | Child 3 | |
|
||||
* | +-------------------------+ |
|
||||
* +-----------------------------+
|
||||
*
|
||||
* Constraints:
|
||||
*
|
||||
* super.start = child1.start - 8
|
||||
* child1.width = child2.width
|
||||
* child1.end = child2.start - 12
|
||||
* child2.end = super.end - 8
|
||||
* super.start = child3.start - 8
|
||||
* child3.end = super.end - 8
|
||||
* super.top = child1.top - 8
|
||||
* super.top = child2.top - 8
|
||||
* child1.bottom = child3.top - 12
|
||||
* child2.bottom = child3.top - 12
|
||||
* child3.height = child1.height
|
||||
* child3.height = child2.height
|
||||
* child3.bottom = super.bottom - 8
|
||||
*
|
||||
* Visual format:
|
||||
*
|
||||
* H:|-8-[view1(==view2)-12-[view2]-8-|
|
||||
* H:|-8-[view3]-8-|
|
||||
* V:|-8-[view1]-12-[view3(==view1)]-8-|
|
||||
* V:|-8-[view2]-12-[view3(==view2)]-8-|
|
||||
*/
|
||||
static void
|
||||
build_constraints (VflGrid *self,
|
||||
GtkConstraintLayout *manager)
|
||||
{
|
||||
const char * const vfl[] = {
|
||||
"H:|-[button1(==button2)]-12-[button2]-|",
|
||||
"H:|-[button3]-|",
|
||||
"V:|-[button1]-12-[button3(==button1)]-|",
|
||||
"V:|-[button2]-12-[button3(==button2)]-|",
|
||||
};
|
||||
GError *error = NULL;
|
||||
|
||||
gtk_constraint_layout_add_constraints_from_description (manager, vfl, G_N_ELEMENTS (vfl),
|
||||
8, 8,
|
||||
&error,
|
||||
"button1", self->button1,
|
||||
"button2", self->button2,
|
||||
"button3", self->button3,
|
||||
NULL);
|
||||
if (error != NULL)
|
||||
{
|
||||
g_printerr ("VFL parsing error:\n%s", error->message);
|
||||
g_error_free (error);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
vfl_grid_init (VflGrid *self)
|
||||
{
|
||||
GtkWidget *widget = GTK_WIDGET (self);
|
||||
|
||||
self->button1 = gtk_button_new_with_label ("Child 1");
|
||||
gtk_widget_set_parent (self->button1, widget);
|
||||
gtk_widget_set_name (self->button1, "button1");
|
||||
|
||||
self->button2 = gtk_button_new_with_label ("Child 2");
|
||||
gtk_widget_set_parent (self->button2, widget);
|
||||
gtk_widget_set_name (self->button2, "button2");
|
||||
|
||||
self->button3 = gtk_button_new_with_label ("Child 3");
|
||||
gtk_widget_set_parent (self->button3, widget);
|
||||
gtk_widget_set_name (self->button3, "button3");
|
||||
|
||||
GtkLayoutManager *manager = gtk_widget_get_layout_manager (GTK_WIDGET (self));
|
||||
build_constraints (self, GTK_CONSTRAINT_LAYOUT (manager));
|
||||
}
|
||||
|
||||
GtkWidget *
|
||||
do_constraints3 (GtkWidget *do_widget)
|
||||
{
|
||||
static GtkWidget *window;
|
||||
|
||||
if (!window)
|
||||
{
|
||||
GtkWidget *header, *box, *grid, *button;
|
||||
|
||||
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
||||
gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
|
||||
|
||||
header = gtk_header_bar_new ();
|
||||
gtk_header_bar_set_title (GTK_HEADER_BAR (header), "Constraints");
|
||||
gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (header), FALSE);
|
||||
gtk_window_set_titlebar (GTK_WINDOW (window), header);
|
||||
g_signal_connect (window, "destroy",
|
||||
G_CALLBACK (gtk_widget_destroyed), &window);
|
||||
|
||||
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
||||
gtk_container_add (GTK_CONTAINER (window), box);
|
||||
|
||||
grid = g_object_new (vfl_grid_get_type (), NULL);
|
||||
gtk_widget_set_hexpand (grid, TRUE);
|
||||
gtk_widget_set_vexpand (grid, TRUE);
|
||||
gtk_container_add (GTK_CONTAINER (box), grid);
|
||||
|
||||
button = gtk_button_new_with_label ("Close");
|
||||
gtk_container_add (GTK_CONTAINER (box), button);
|
||||
gtk_widget_set_hexpand (grid, TRUE);
|
||||
g_signal_connect_swapped (button, "clicked",
|
||||
G_CALLBACK (gtk_widget_destroy), window);
|
||||
}
|
||||
|
||||
if (!gtk_widget_get_visible (window))
|
||||
gtk_widget_show (window);
|
||||
else
|
||||
gtk_widget_destroy (window);
|
||||
|
||||
return window;
|
||||
}
|
@@ -151,6 +151,8 @@
|
||||
<file>colorsel.c</file>
|
||||
<file>combobox.c</file>
|
||||
<file>constraints.c</file>
|
||||
<file>constraints2.c</file>
|
||||
<file>constraints3.c</file>
|
||||
<file>css_accordion.c</file>
|
||||
<file>css_basics.c</file>
|
||||
<file>css_blendmodes.c</file>
|
||||
|
@@ -9,6 +9,8 @@ demos = files([
|
||||
'colorsel.c',
|
||||
'combobox.c',
|
||||
'constraints.c',
|
||||
'constraints2.c',
|
||||
'constraints3.c',
|
||||
'css_accordion.c',
|
||||
'css_basics.c',
|
||||
'css_blendmodes.c',
|
||||
|
@@ -1,3 +1,4 @@
|
||||
subdir('constraint-editor')
|
||||
subdir('gtk-demo')
|
||||
subdir('icon-browser')
|
||||
subdir('node-editor')
|
||||
|
@@ -561,13 +561,6 @@ prop_actions_connect (GtkActionMuxer *muxer)
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
prop_actions_disconnect (GtkActionMuxer *muxer)
|
||||
{
|
||||
if (muxer->widget)
|
||||
g_signal_handlers_disconnect_by_func (muxer->widget,
|
||||
prop_action_notify, muxer);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_action_muxer_query_action (GActionGroup *action_group,
|
||||
@@ -819,8 +812,6 @@ gtk_action_muxer_dispose (GObject *object)
|
||||
{
|
||||
GtkActionMuxer *muxer = GTK_ACTION_MUXER (object);
|
||||
|
||||
prop_actions_disconnect (muxer);
|
||||
|
||||
if (muxer->parent)
|
||||
{
|
||||
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_action_added_to_parent, muxer);
|
||||
|
@@ -46,10 +46,10 @@
|
||||
#include "gtkwidget.h"
|
||||
|
||||
enum {
|
||||
PROP_TARGET_WIDGET = 1,
|
||||
PROP_TARGET = 1,
|
||||
PROP_TARGET_ATTRIBUTE,
|
||||
PROP_RELATION,
|
||||
PROP_SOURCE_WIDGET,
|
||||
PROP_SOURCE,
|
||||
PROP_SOURCE_ATTRIBUTE,
|
||||
PROP_MULTIPLIER,
|
||||
PROP_CONSTANT,
|
||||
@@ -72,8 +72,8 @@ gtk_constraint_set_property (GObject *gobject,
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_TARGET_WIDGET:
|
||||
self->target_widget = g_value_get_object (value);
|
||||
case PROP_TARGET:
|
||||
self->target = g_value_get_object (value);
|
||||
break;
|
||||
|
||||
case PROP_TARGET_ATTRIBUTE:
|
||||
@@ -84,8 +84,8 @@ gtk_constraint_set_property (GObject *gobject,
|
||||
self->relation = g_value_get_enum (value);
|
||||
break;
|
||||
|
||||
case PROP_SOURCE_WIDGET:
|
||||
self->source_widget = g_value_get_object (value);
|
||||
case PROP_SOURCE:
|
||||
self->source = g_value_get_object (value);
|
||||
break;
|
||||
|
||||
case PROP_SOURCE_ATTRIBUTE:
|
||||
@@ -120,8 +120,8 @@ gtk_constraint_get_property (GObject *gobject,
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_TARGET_WIDGET:
|
||||
g_value_set_object (value, self->target_widget);
|
||||
case PROP_TARGET:
|
||||
g_value_set_object (value, self->target);
|
||||
break;
|
||||
|
||||
case PROP_TARGET_ATTRIBUTE:
|
||||
@@ -132,8 +132,8 @@ gtk_constraint_get_property (GObject *gobject,
|
||||
g_value_set_enum (value, self->relation);
|
||||
break;
|
||||
|
||||
case PROP_SOURCE_WIDGET:
|
||||
g_value_set_object (value, self->source_widget);
|
||||
case PROP_SOURCE:
|
||||
g_value_set_object (value, self->source);
|
||||
break;
|
||||
|
||||
case PROP_SOURCE_ATTRIBUTE:
|
||||
@@ -178,31 +178,31 @@ gtk_constraint_class_init (GtkConstraintClass *klass)
|
||||
gobject_class->finalize = gtk_constraint_finalize;
|
||||
|
||||
/**
|
||||
* GtkConstraint:target-widget:
|
||||
* GtkConstraint:target:
|
||||
*
|
||||
* The target widget of the constraint.
|
||||
* The target of the constraint.
|
||||
*
|
||||
* The constraint will set the #GtkConstraint:target-attribute of the
|
||||
* target widget using the #GtkConstraint:source-attribute of the source
|
||||
* target using the #GtkConstraint:source-attribute of the source
|
||||
* widget.
|
||||
*/
|
||||
obj_props[PROP_TARGET_WIDGET] =
|
||||
g_param_spec_object ("target-widget",
|
||||
P_("Target Widget"),
|
||||
P_("The target widget of the constraint"),
|
||||
GTK_TYPE_WIDGET,
|
||||
obj_props[PROP_TARGET] =
|
||||
g_param_spec_object ("target",
|
||||
P_("Target"),
|
||||
P_("The target of the constraint"),
|
||||
GTK_TYPE_CONSTRAINT_TARGET,
|
||||
G_PARAM_READWRITE |
|
||||
G_PARAM_STATIC_STRINGS |
|
||||
G_PARAM_CONSTRUCT_ONLY);
|
||||
/**
|
||||
* GtkConstraint:target-attribute:
|
||||
*
|
||||
* The attribute of the #GtkConstraint:target-widget set by the constraint.
|
||||
* The attribute of the #GtkConstraint:target set by the constraint.
|
||||
*/
|
||||
obj_props[PROP_TARGET_ATTRIBUTE] =
|
||||
g_param_spec_enum ("target-attribute",
|
||||
P_("Target Attribute"),
|
||||
P_("The attribute of the target widget set by the constraint"),
|
||||
P_("The attribute of the target set by the constraint"),
|
||||
GTK_TYPE_CONSTRAINT_ATTRIBUTE,
|
||||
GTK_CONSTRAINT_ATTRIBUTE_NONE,
|
||||
G_PARAM_READWRITE |
|
||||
@@ -223,26 +223,25 @@ gtk_constraint_class_init (GtkConstraintClass *klass)
|
||||
G_PARAM_STATIC_STRINGS |
|
||||
G_PARAM_CONSTRUCT_ONLY);
|
||||
/**
|
||||
* GtkConstraint:source-widget:
|
||||
* GtkConstraint:source:
|
||||
*
|
||||
* The source widget of the constraint.
|
||||
* The source of the constraint.
|
||||
*
|
||||
* The constraint will set the #GtkConstraint:target-attribute of the
|
||||
* target widget using the #GtkConstraint:source-attribute of the source
|
||||
* widget.
|
||||
* target using the #GtkConstraint:source-attribute of the source.
|
||||
*/
|
||||
obj_props[PROP_SOURCE_WIDGET] =
|
||||
g_param_spec_object ("source-widget",
|
||||
P_("Source Widget"),
|
||||
P_("The source widget of the constraint"),
|
||||
GTK_TYPE_WIDGET,
|
||||
obj_props[PROP_SOURCE] =
|
||||
g_param_spec_object ("source",
|
||||
P_("Source"),
|
||||
P_("The source of the constraint"),
|
||||
GTK_TYPE_CONSTRAINT_TARGET,
|
||||
G_PARAM_READWRITE |
|
||||
G_PARAM_STATIC_STRINGS |
|
||||
G_PARAM_CONSTRUCT_ONLY);
|
||||
/**
|
||||
* GtkConstraint:source-attribute:
|
||||
*
|
||||
* The attribute of the #GtkConstraint:source-widget read by the constraint.
|
||||
* The attribute of the #GtkConstraint:source read by the constraint.
|
||||
*/
|
||||
obj_props[PROP_SOURCE_ATTRIBUTE] =
|
||||
g_param_spec_enum ("source-attribute",
|
||||
@@ -316,39 +315,38 @@ gtk_constraint_init (GtkConstraint *self)
|
||||
|
||||
/**
|
||||
* gtk_constraint_new:
|
||||
* @target_widget: (nullable): a #GtkWidget
|
||||
* @target_attribute: the attribute of @target_widget to be set
|
||||
* @target: (nullable) (type GtkConstraintTarget): a #GtkConstraintTarget
|
||||
* @target_attribute: the attribute of @target to be set
|
||||
* @relation: the relation equivalence between @target_attribute and @source_attribute
|
||||
* @source_widget: (nullable): a #GtkWidget
|
||||
* @source_attribute: the attribute of @source_widget to be read
|
||||
* @source: (nullable) (type GtkConstraintTarget): a #GtkConstraintTarget
|
||||
* @source_attribute: the attribute of @source to be read
|
||||
* @multiplier: a multiplication factor to be applied to @source_attribute
|
||||
* @constant: a constant factor to be added to @source_attribute
|
||||
* @strength: the strength of the constraint
|
||||
*
|
||||
* Creates a new #GtkConstraint representing a relation between a layout
|
||||
* attribute on a source #GtkWidget and a layout attribute on a target
|
||||
* #GtkWidget.
|
||||
* attribute on a source and a layout attribute on a target.
|
||||
*
|
||||
* Returns: the newly created #GtkConstraint
|
||||
*/
|
||||
GtkConstraint *
|
||||
gtk_constraint_new (GtkWidget *target_widget,
|
||||
gtk_constraint_new (gpointer target,
|
||||
GtkConstraintAttribute target_attribute,
|
||||
GtkConstraintRelation relation,
|
||||
GtkWidget *source_widget,
|
||||
gpointer source,
|
||||
GtkConstraintAttribute source_attribute,
|
||||
double multiplier,
|
||||
double constant,
|
||||
int strength)
|
||||
{
|
||||
g_return_val_if_fail (target_widget == NULL || GTK_IS_WIDGET (target_widget), NULL);
|
||||
g_return_val_if_fail (source_widget == NULL || GTK_IS_WIDGET (source_widget), NULL);
|
||||
g_return_val_if_fail (target == NULL || GTK_IS_CONSTRAINT_TARGET (target), NULL);
|
||||
g_return_val_if_fail (source == NULL || GTK_IS_CONSTRAINT_TARGET (source), NULL);
|
||||
|
||||
return g_object_new (GTK_TYPE_CONSTRAINT,
|
||||
"target-widget", target_widget,
|
||||
"target", target,
|
||||
"target-attribute", target_attribute,
|
||||
"relation", relation,
|
||||
"source-widget", source_widget,
|
||||
"source", source,
|
||||
"source-attribute", source_attribute,
|
||||
"multiplier", multiplier,
|
||||
"constant", constant,
|
||||
@@ -358,28 +356,28 @@ gtk_constraint_new (GtkWidget *target_widget,
|
||||
|
||||
/**
|
||||
* gtk_constraint_new_constant:
|
||||
* @target_widget: (nullable): a #GtkWidget
|
||||
* @target_attribute: the attribute of @target_widget to be set
|
||||
* @target: (nullable) (type GtkConstraintTarget): a #GtkConstraintTarget
|
||||
* @target_attribute: the attribute of @target to be set
|
||||
* @relation: the relation equivalence between @target_attribute and @constant
|
||||
* @constant: a constant factor to be set on @target_attribute
|
||||
* @strength: the strength of the constraint
|
||||
*
|
||||
* Creates a new #GtkConstraint representing a relation between a layout
|
||||
* attribute on a target #GtkWidget and a constant value.
|
||||
* attribute on a target and a constant value.
|
||||
*
|
||||
* Returns: the newly created #GtkConstraint
|
||||
*/
|
||||
GtkConstraint *
|
||||
gtk_constraint_new_constant (GtkWidget *target_widget,
|
||||
gtk_constraint_new_constant (gpointer target,
|
||||
GtkConstraintAttribute target_attribute,
|
||||
GtkConstraintRelation relation,
|
||||
double constant,
|
||||
int strength)
|
||||
{
|
||||
g_return_val_if_fail (target_widget == NULL || GTK_IS_WIDGET (target_widget), NULL);
|
||||
g_return_val_if_fail (target == NULL || GTK_IS_CONSTRAINT_TARGET (target), NULL);
|
||||
|
||||
return g_object_new (GTK_TYPE_CONSTRAINT,
|
||||
"target-widget", target_widget,
|
||||
"target", target,
|
||||
"target-attribute", target_attribute,
|
||||
"relation", relation,
|
||||
"source-attribute", GTK_CONSTRAINT_ATTRIBUTE_NONE,
|
||||
@@ -401,7 +399,18 @@ gtk_constraint_get_target_widget (GtkConstraint *constraint)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_CONSTRAINT (constraint), NULL);
|
||||
|
||||
return constraint->target_widget;
|
||||
if (GTK_IS_WIDGET (constraint->target))
|
||||
return GTK_WIDGET (constraint->target);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GtkConstraintTarget *
|
||||
gtk_constraint_get_target (GtkConstraint *constraint)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_CONSTRAINT (constraint), NULL);
|
||||
|
||||
return constraint->target;
|
||||
}
|
||||
|
||||
GtkConstraintAttribute
|
||||
@@ -425,7 +434,18 @@ gtk_constraint_get_source_widget (GtkConstraint *constraint)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_CONSTRAINT (constraint), NULL);
|
||||
|
||||
return constraint->source_widget;
|
||||
if (GTK_IS_WIDGET (constraint->source))
|
||||
return GTK_WIDGET (constraint->source);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GtkConstraintTarget *
|
||||
gtk_constraint_get_source (GtkConstraint *constraint)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_CONSTRAINT (constraint), NULL);
|
||||
|
||||
return constraint->source;
|
||||
}
|
||||
|
||||
GtkConstraintAttribute
|
||||
@@ -552,7 +572,7 @@ gtk_constraint_is_constant (GtkConstraint *constraint)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_CONSTRAINT (constraint), FALSE);
|
||||
|
||||
return constraint->source_widget == NULL &&
|
||||
return constraint->source == NULL &&
|
||||
constraint->source_attribute == GTK_CONSTRAINT_ATTRIBUTE_NONE;
|
||||
}
|
||||
|
||||
@@ -581,3 +601,17 @@ gtk_constraint_detach (GtkConstraint *constraint)
|
||||
constraint->constraint_ref = NULL;
|
||||
constraint->solver = NULL;
|
||||
}
|
||||
|
||||
typedef struct _GtkConstraintTargetInterface GtkConstraintTargetInterface;
|
||||
|
||||
struct _GtkConstraintTargetInterface
|
||||
{
|
||||
GTypeInterface g_iface;
|
||||
};
|
||||
|
||||
G_DEFINE_INTERFACE (GtkConstraintTarget, gtk_constraint_target, G_TYPE_OBJECT)
|
||||
|
||||
static void
|
||||
gtk_constraint_target_default_init (GtkConstraintTargetInterface *iface)
|
||||
{
|
||||
}
|
||||
|
@@ -24,6 +24,21 @@
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GtkConstraintTarget GtkConstraintTarget;
|
||||
|
||||
#define GTK_TYPE_CONSTRAINT_TARGET (gtk_constraint_target_get_type ())
|
||||
|
||||
/**
|
||||
* GtkConstraintTarget:
|
||||
*
|
||||
* The GtkConstraintTarget interface is implemented by objects that
|
||||
* can be used as source or target in #GtkConstraints. Besides
|
||||
* #GtkWidget, it is also implemented by #GtkConstraintGuide.
|
||||
*/
|
||||
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
G_DECLARE_INTERFACE (GtkConstraintTarget, gtk_constraint_target, GTK, CONSTRAINT_TARGET, GObject)
|
||||
|
||||
#define GTK_TYPE_CONSTRAINT (gtk_constraint_get_type ())
|
||||
|
||||
/**
|
||||
@@ -43,16 +58,16 @@ GDK_AVAILABLE_IN_ALL
|
||||
G_DECLARE_FINAL_TYPE (GtkConstraint, gtk_constraint, GTK, CONSTRAINT, GObject)
|
||||
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraint * gtk_constraint_new (GtkWidget *target_widget,
|
||||
GtkConstraint * gtk_constraint_new (gpointer target,
|
||||
GtkConstraintAttribute target_attribute,
|
||||
GtkConstraintRelation relation,
|
||||
GtkWidget *source_widget,
|
||||
gpointer source,
|
||||
GtkConstraintAttribute source_attribute,
|
||||
double multiplier,
|
||||
double constant,
|
||||
int strength);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraint * gtk_constraint_new_constant (GtkWidget *target_widget,
|
||||
GtkConstraint * gtk_constraint_new_constant (gpointer target,
|
||||
GtkConstraintAttribute target_attribute,
|
||||
GtkConstraintRelation relation,
|
||||
double constant,
|
||||
@@ -61,10 +76,14 @@ GtkConstraint * gtk_constraint_new_constant (GtkWidget
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkWidget * gtk_constraint_get_target_widget (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintTarget * gtk_constraint_get_target (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintAttribute gtk_constraint_get_target_attribute (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkWidget * gtk_constraint_get_source_widget (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintTarget * gtk_constraint_get_source (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintAttribute gtk_constraint_get_source_attribute (GtkConstraint *constraint);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintRelation gtk_constraint_get_relation (GtkConstraint *constraint);
|
||||
|
@@ -55,9 +55,12 @@ static guint64 gtk_constraint_variable_next_id;
|
||||
|
||||
static void
|
||||
gtk_constraint_variable_init (GtkConstraintVariable *variable,
|
||||
const char *prefix,
|
||||
const char *name)
|
||||
{
|
||||
variable->_id = gtk_constraint_variable_next_id++;
|
||||
|
||||
variable->prefix = g_intern_string (prefix);
|
||||
variable->name = g_intern_string (name);
|
||||
variable->prefix = NULL;
|
||||
variable->value = 0.0;
|
||||
@@ -81,7 +84,7 @@ gtk_constraint_variable_new_dummy (const char *name)
|
||||
{
|
||||
GtkConstraintVariable *res = g_rc_box_new (GtkConstraintVariable);
|
||||
|
||||
gtk_constraint_variable_init (res, name);
|
||||
gtk_constraint_variable_init (res, NULL, name);
|
||||
|
||||
res->_type = GTK_CONSTRAINT_SYMBOL_DUMMY;
|
||||
res->is_external = FALSE;
|
||||
@@ -108,7 +111,7 @@ gtk_constraint_variable_new_objective (const char *name)
|
||||
{
|
||||
GtkConstraintVariable *res = g_rc_box_new (GtkConstraintVariable);
|
||||
|
||||
gtk_constraint_variable_init (res, name);
|
||||
gtk_constraint_variable_init (res, NULL, name);
|
||||
|
||||
res->_type = GTK_CONSTRAINT_SYMBOL_OBJECTIVE;
|
||||
res->is_external = FALSE;
|
||||
@@ -145,7 +148,7 @@ gtk_constraint_variable_new_slack (const char *name)
|
||||
{
|
||||
GtkConstraintVariable *res = g_rc_box_new (GtkConstraintVariable);
|
||||
|
||||
gtk_constraint_variable_init (res, name);
|
||||
gtk_constraint_variable_init (res, NULL, name);
|
||||
|
||||
res->_type = GTK_CONSTRAINT_SYMBOL_SLACK;
|
||||
res->is_external = FALSE;
|
||||
@@ -157,7 +160,8 @@ gtk_constraint_variable_new_slack (const char *name)
|
||||
|
||||
/*< private >
|
||||
* gtk_constraint_variable_new:
|
||||
* @name: the name of the variable
|
||||
* @prefix: (nullable): an optional prefix string for @name
|
||||
* @name: (nullable): an optional name for the variable
|
||||
*
|
||||
* Allocates and initializes a new #GtkConstraintVariable for a regular
|
||||
* symbol. All variables introduced by constraints are regular variables.
|
||||
@@ -170,11 +174,12 @@ gtk_constraint_variable_new_slack (const char *name)
|
||||
* Returns: a newly allocated #GtkConstraintVariable
|
||||
*/
|
||||
GtkConstraintVariable *
|
||||
gtk_constraint_variable_new (const char *name)
|
||||
gtk_constraint_variable_new (const char *prefix,
|
||||
const char *name)
|
||||
{
|
||||
GtkConstraintVariable *res = g_rc_box_new (GtkConstraintVariable);
|
||||
|
||||
gtk_constraint_variable_init (res, name);
|
||||
gtk_constraint_variable_init (res, prefix, name);
|
||||
|
||||
res->_type = GTK_CONSTRAINT_SYMBOL_REGULAR;
|
||||
res->is_external = TRUE;
|
||||
@@ -184,24 +189,6 @@ gtk_constraint_variable_new (const char *name)
|
||||
return res;
|
||||
}
|
||||
|
||||
/*< private >
|
||||
* gtk_constraint_variable_set_prefix:
|
||||
* @variable: a #GtkConstraintVariable
|
||||
* @prefix: a prefix string
|
||||
*
|
||||
* Sets the prefix to the @variable's name.
|
||||
*
|
||||
* This function is useful when debugging the variable contents.
|
||||
*/
|
||||
void
|
||||
gtk_constraint_variable_set_prefix (GtkConstraintVariable *variable,
|
||||
const char *prefix)
|
||||
{
|
||||
g_return_if_fail (variable != NULL);
|
||||
|
||||
variable->prefix = g_intern_string (prefix);
|
||||
}
|
||||
|
||||
/*< private >
|
||||
* gtk_constraint_variable_ref:
|
||||
* @variable: a #GtkConstraintVariable
|
||||
|
@@ -26,7 +26,8 @@
|
||||
G_BEGIN_DECLS
|
||||
|
||||
GtkConstraintVariable *
|
||||
gtk_constraint_variable_new (const char *name);
|
||||
gtk_constraint_variable_new (const char *prefix,
|
||||
const char *name);
|
||||
|
||||
GtkConstraintVariable *
|
||||
gtk_constraint_variable_new_dummy (const char *name);
|
||||
@@ -50,10 +51,6 @@ gtk_constraint_variable_set_value (GtkConstraintVariable *variable,
|
||||
double
|
||||
gtk_constraint_variable_get_value (const GtkConstraintVariable *variable);
|
||||
|
||||
void
|
||||
gtk_constraint_variable_set_prefix (GtkConstraintVariable *variable,
|
||||
const char *prefix);
|
||||
|
||||
char *
|
||||
gtk_constraint_variable_to_string (const GtkConstraintVariable *variable);
|
||||
|
||||
|
File diff suppressed because it is too large
Load Diff
@@ -25,6 +25,30 @@ G_BEGIN_DECLS
|
||||
|
||||
#define GTK_TYPE_CONSTRAINT_LAYOUT (gtk_constraint_layout_get_type ())
|
||||
#define GTK_TYPE_CONSTRAINT_LAYOUT_CHILD (gtk_constraint_layout_child_get_type ())
|
||||
#define GTK_TYPE_CONSTRAINT_GUIDE (gtk_constraint_guide_get_type ())
|
||||
|
||||
/**
|
||||
* GtkConstraintLayoutChild:
|
||||
*
|
||||
* A #GtkLayoutChild in a #GtkConstraintLayout.
|
||||
*/
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
G_DECLARE_FINAL_TYPE (GtkConstraintLayoutChild, gtk_constraint_layout_child, GTK, CONSTRAINT_LAYOUT_CHILD, GtkLayoutChild)
|
||||
|
||||
/**
|
||||
* GtkConstraintGuide:
|
||||
*
|
||||
* An object that can be added to a #GtkConstraintLayout and be
|
||||
* used in constraints like a widget, without being drawn. Guides
|
||||
* have a minimal and natural size. Depending on the constraints
|
||||
* that are applied, they can act like a guideline that widgets
|
||||
* can be aligned to, or like 'flexible space'.
|
||||
*/
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
G_DECLARE_FINAL_TYPE (GtkConstraintGuide, gtk_constraint_guide, GTK, CONSTRAINT_GUIDE, GObject)
|
||||
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
GtkConstraintGuide * gtk_constraint_guide_new (void);
|
||||
|
||||
/**
|
||||
* GtkConstraintLayout:
|
||||
@@ -45,12 +69,32 @@ GDK_AVAILABLE_IN_ALL
|
||||
void gtk_constraint_layout_remove_constraint (GtkConstraintLayout *manager,
|
||||
GtkConstraint *constraint);
|
||||
|
||||
/**
|
||||
* GtkConstraintLayoutChild:
|
||||
*
|
||||
* A #GtkLayoutChild in a #GtkConstraintLayout.
|
||||
*/
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
G_DECLARE_FINAL_TYPE (GtkConstraintLayoutChild, gtk_constraint_layout_child, GTK, CONSTRAINT_LAYOUT_CHILD, GtkLayoutChild)
|
||||
void gtk_constraint_layout_add_guide (GtkConstraintLayout *manager,
|
||||
GtkConstraintGuide *guide);
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
void gtk_constraint_layout_remove_guide (GtkConstraintLayout *manager,
|
||||
GtkConstraintGuide *guide);
|
||||
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
gboolean gtk_constraint_layout_add_constraints_from_description (GtkConstraintLayout *manager,
|
||||
const char * const lines[],
|
||||
gsize n_lines,
|
||||
int hspacing,
|
||||
int vspacing,
|
||||
GError **error,
|
||||
const char *first_view,
|
||||
...) G_GNUC_NULL_TERMINATED;
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
gboolean gtk_constraint_layout_add_constraints_from_descriptionv (GtkConstraintLayout *manager,
|
||||
const char * const lines[],
|
||||
gsize n_lines,
|
||||
int hspacing,
|
||||
int vspacing,
|
||||
GHashTable *views,
|
||||
GError **error);
|
||||
|
||||
GDK_AVAILABLE_IN_ALL
|
||||
void gtk_constraint_layout_remove_all_constraints (GtkConstraintLayout *manager);
|
||||
|
||||
G_END_DECLS
|
||||
|
@@ -31,8 +31,8 @@ struct _GtkConstraint
|
||||
GtkConstraintAttribute target_attribute;
|
||||
GtkConstraintAttribute source_attribute;
|
||||
|
||||
GtkWidget *target_widget;
|
||||
GtkWidget *source_widget;
|
||||
GtkConstraintTarget *target;
|
||||
GtkConstraintTarget *source;
|
||||
|
||||
GtkConstraintRelation relation;
|
||||
|
||||
|
@@ -1482,8 +1482,7 @@ gtk_constraint_solver_create_variable (GtkConstraintSolver *self,
|
||||
{
|
||||
GtkConstraintVariable *res;
|
||||
|
||||
res = gtk_constraint_variable_new (name);
|
||||
gtk_constraint_variable_set_prefix (res, prefix);
|
||||
res = gtk_constraint_variable_new (prefix, name);
|
||||
gtk_constraint_variable_set_value (res, value);
|
||||
|
||||
return res;
|
||||
|
1226
gtk/gtkconstraintvflparser.c
Normal file
1226
gtk/gtkconstraintvflparser.c
Normal file
File diff suppressed because it is too large
Load Diff
89
gtk/gtkconstraintvflparserprivate.h
Normal file
89
gtk/gtkconstraintvflparserprivate.h
Normal file
@@ -0,0 +1,89 @@
|
||||
/* gtkconstraintvflparserprivate.h: VFL constraint definition parser
|
||||
*
|
||||
* Copyright 2017 Endless
|
||||
* Copyright 2019 GNOME Foundation
|
||||
*
|
||||
* SPDX-License-Identifier: LGPL-2.1-or-later
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "gtkconstrainttypesprivate.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GTK_CONSTRAINT_VFL_PARSER_ERROR (gtk_constraint_vfl_parser_error_quark ())
|
||||
|
||||
typedef enum {
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_SYMBOL,
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_ATTRIBUTE,
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_VIEW,
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_METRIC,
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_PRIORITY,
|
||||
GTK_CONSTRAINT_VFL_PARSER_ERROR_INVALID_RELATION
|
||||
} VflError;
|
||||
|
||||
typedef struct _GtkConstraintVflParser GtkConstraintVflParser;
|
||||
|
||||
typedef struct {
|
||||
const char *view1;
|
||||
const char *attr1;
|
||||
GtkConstraintRelation relation;
|
||||
const char *view2;
|
||||
const char *attr2;
|
||||
double constant;
|
||||
double multiplier;
|
||||
double strength;
|
||||
} GtkConstraintVfl;
|
||||
|
||||
GQuark gtk_constraint_vfl_parser_error_quark (void);
|
||||
|
||||
GtkConstraintVflParser *
|
||||
gtk_constraint_vfl_parser_new (void);
|
||||
|
||||
void
|
||||
gtk_constraint_vfl_parser_free (GtkConstraintVflParser *parser);
|
||||
|
||||
void
|
||||
gtk_constraint_vfl_parser_set_default_spacing (GtkConstraintVflParser *parser,
|
||||
int hspacing,
|
||||
int vspacing);
|
||||
|
||||
void
|
||||
gtk_constraint_vfl_parser_set_metrics (GtkConstraintVflParser *parser,
|
||||
GHashTable *metrics);
|
||||
|
||||
void
|
||||
gtk_constraint_vfl_parser_set_views (GtkConstraintVflParser *parser,
|
||||
GHashTable *views);
|
||||
|
||||
gboolean
|
||||
gtk_constraint_vfl_parser_parse_line (GtkConstraintVflParser *parser,
|
||||
const char *line,
|
||||
gssize len,
|
||||
GError **error);
|
||||
|
||||
int
|
||||
gtk_constraint_vfl_parser_get_error_offset (GtkConstraintVflParser *parser);
|
||||
|
||||
int
|
||||
gtk_constraint_vfl_parser_get_error_range (GtkConstraintVflParser *parser);
|
||||
|
||||
GtkConstraintVfl *
|
||||
gtk_constraint_vfl_parser_get_constraints (GtkConstraintVflParser *parser,
|
||||
int *n_constraints);
|
||||
|
||||
G_END_DECLS
|
@@ -73,6 +73,7 @@
|
||||
#include "gtkwindowgroup.h"
|
||||
#include "gtkwindowprivate.h"
|
||||
#include "gtknativeprivate.h"
|
||||
#include "gtkconstraint.h"
|
||||
|
||||
#include "a11y/gtkwidgetaccessible.h"
|
||||
#include "inspector/window.h"
|
||||
@@ -770,6 +771,13 @@ gtk_widget_get_type (void)
|
||||
NULL /* interface data */
|
||||
};
|
||||
|
||||
const GInterfaceInfo constraint_target_info =
|
||||
{
|
||||
(GInterfaceInitFunc) NULL,
|
||||
(GInterfaceFinalizeFunc) NULL,
|
||||
NULL /* interface data */
|
||||
};
|
||||
|
||||
widget_type = g_type_register_static (G_TYPE_INITIALLY_UNOWNED, g_intern_static_string ("GtkWidget"),
|
||||
&widget_info, G_TYPE_FLAG_ABSTRACT);
|
||||
|
||||
@@ -782,6 +790,8 @@ gtk_widget_get_type (void)
|
||||
&accessibility_info) ;
|
||||
g_type_add_interface_static (widget_type, GTK_TYPE_BUILDABLE,
|
||||
&buildable_info) ;
|
||||
g_type_add_interface_static (widget_type, GTK_TYPE_CONSTRAINT_TARGET,
|
||||
&constraint_target_info) ;
|
||||
}
|
||||
|
||||
return widget_type;
|
||||
|
@@ -39,6 +39,7 @@ gtk_private_sources = files([
|
||||
'gtkcolorswatch.c',
|
||||
'gtkconstraintexpression.c',
|
||||
'gtkconstraintsolver.c',
|
||||
'gtkconstraintvflparser.c',
|
||||
'gtkcssanimatedstyle.c',
|
||||
'gtkcssanimation.c',
|
||||
'gtkcssarrayvalue.c',
|
||||
|
Reference in New Issue
Block a user