Files
Phoenix/demo/GridLabelRenderer.py
Scott Talbert 173d079681 Fix a bunch of Python 3.10 issues with pure-Python classes and demos
In Python 3.10, a change[1] was implemented where extension functions
that take integer arguments will no longer silently accept non-integer
arguments (e.g., floats) that can only be converted to integers with a
loss of precision.  This PR fixes most of these issues in the pure-Python
classes and demos by explicitly converting the parameters to int before
passing them to wxWidgets.  There is loss of precision, but this was
happening before (automatically) anyway as most wxWidgets DeviceContext
functions operate using integers.

Additionally, the PR fixes a few sizing issues, mostly with SpinCtrls being
too small on GTK3.

This is an example of the relevant exception:
Traceback (most recent call last):
  File "/usr/lib64/python3.10/site-packages/wx/lib/agw/pygauge.py", line 355, in OnPaint
    r.width = w
TypeError: 'float' object cannot be interpreted as an integer

Fixes #2038.

[1] https://bugs.python.org/issue37999
2021-12-01 14:19:00 -05:00

114 lines
3.4 KiB
Python

#!/usr/bin/env python
import wx
import wx.grid as grid
import wx.lib.mixins.gridlabelrenderer as glr
#----------------------------------------------------------------------
class MyGrid(grid.Grid, glr.GridWithLabelRenderersMixin):
def __init__(self, *args, **kw):
grid.Grid.__init__(self, *args, **kw)
glr.GridWithLabelRenderersMixin.__init__(self)
class MyRowLabelRenderer(glr.GridLabelRenderer):
def __init__(self, bgcolor):
self._bgcolor = bgcolor
def Draw(self, grid, dc, rect, row):
dc.SetBrush(wx.Brush(self._bgcolor))
dc.SetPen(wx.TRANSPARENT_PEN)
dc.DrawRectangle(rect)
hAlign, vAlign = grid.GetRowLabelAlignment()
text = grid.GetRowLabelValue(row)
self.DrawBorder(grid, dc, rect)
self.DrawText(grid, dc, rect, text, hAlign, vAlign)
class MyColLabelRenderer(glr.GridLabelRenderer):
def __init__(self, bgcolor):
self._bgcolor = bgcolor
def Draw(self, grid, dc, rect, col):
dc.SetBrush(wx.Brush(self._bgcolor))
dc.SetPen(wx.TRANSPARENT_PEN)
dc.DrawRectangle(rect)
hAlign, vAlign = grid.GetColLabelAlignment()
text = grid.GetColLabelValue(col)
self.DrawBorder(grid, dc, rect)
self.DrawText(grid, dc, rect, text, hAlign, vAlign)
class MyCornerLabelRenderer(glr.GridLabelRenderer):
def __init__(self):
import images
self._bmp = images.Smiles.GetBitmap()
def Draw(self, grid, dc, rect, rc):
x = rect.left + (rect.width - self._bmp.GetWidth()) // 2
y = rect.top + (rect.height - self._bmp.GetHeight()) // 2
dc.DrawBitmap(self._bmp, x, y, True)
class TestPanel(wx.Panel):
def __init__(self, parent, log):
self.log = log
wx.Panel.__init__(self, parent, -1)
ROWS = 27
COLS = 15
g = MyGrid(self, size=(100,100))
g.CreateGrid(ROWS, COLS)
g.SetCornerLabelRenderer(MyCornerLabelRenderer())
for row in range(0, ROWS, 3):
g.SetRowLabelRenderer(row+0, MyRowLabelRenderer('#ffe0e0'))
g.SetRowLabelRenderer(row+1, MyRowLabelRenderer('#e0ffe0'))
g.SetRowLabelRenderer(row+2, MyRowLabelRenderer('#e0e0ff'))
for col in range(0, COLS, 3):
g.SetColLabelRenderer(col+0, MyColLabelRenderer('#e0ffe0'))
g.SetColLabelRenderer(col+1, MyColLabelRenderer('#e0e0ff'))
g.SetColLabelRenderer(col+2, MyColLabelRenderer('#ffe0e0'))
self.Sizer = wx.BoxSizer()
self.Sizer.Add(g, 1, wx.EXPAND)
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestPanel(nb, log)
return win
#----------------------------------------------------------------------
overview = """<html><body>
<h2><center>GridLabelRenderer</h2>
The <tt>wx.lib.mixins.gridlabelrenderer</tt> module provides a mixin
class for wx.grid.Grid that enables it to have plugin renderers that
work like the normal cell renderers do. If desired you can specify a
different renderer for each row or col label, and even for the little
corner label in the upper left corner of the grid. When each of those
labels needs to be drawn the mixin calls the render's Draw method with
the dc and rectangle, allowing your renderer class to do just about
anything that it wants.
</body></html>
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])