wxWidgets/wxPython/wx/lib/stattext.py
2004-08-04 22:24:57 +00:00

151 lines
4.6 KiB
Python

#----------------------------------------------------------------------
# Name: wx.lib.stattext
# Purpose: A generic wxGenStaticText class. Using this should
# eliminate some of the platform differences in wxStaticText,
# such as background colours and mouse sensitivity.
#
# Author: Robin Dunn
#
# Created: 8-July-2002
# RCS-ID: $Id$
# Copyright: (c) 2002 by Total Control Software
# Licence: wxWindows license
#----------------------------------------------------------------------
# 12/12/2003 - Jeff Grimmett (grimmtooth@softhome.net)
#
# o 2.5 compatability update.
# o Untested.
#
import wx
#----------------------------------------------------------------------
class GenStaticText(wx.PyControl):
labelDelta = 1
def __init__(self, parent, ID, label,
pos = wx.DefaultPosition, size = wx.DefaultSize,
style = 0,
name = "genstattext"):
wx.PyControl.__init__(self, parent, ID, pos, size, style|wx.NO_BORDER,
wx.DefaultValidator, name)
wx.PyControl.SetLabel(self, label) # don't check wx.ST_NO_AUTORESIZE yet
self.defBackClr = self.GetBackgroundColour()
self.InheritAttributes()
self.SetBestFittingSize(size)
self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
self.Bind(wx.EVT_PAINT, self.OnPaint)
def SetLabel(self, label):
"""
Sets the static text label and updates the control's size to exactly
fit the label unless the control has wx.ST_NO_AUTORESIZE flag.
"""
wx.PyControl.SetLabel(self, label)
style = self.GetWindowStyleFlag()
if not style & wx.ST_NO_AUTORESIZE:
best = self.GetBestSize()
self.SetSize(best)
self.SetMinSize(best)
self.Refresh()
def SetFont(self, font):
"""
Sets the static text font and updates the control's size to exactly
fit the label unless the control has wx.ST_NO_AUTORESIZE flag.
"""
wx.PyControl.SetFont(self, font)
style = self.GetWindowStyleFlag()
if not style & wx.ST_NO_AUTORESIZE:
best = self.GetBestSize()
self.SetSize(best)
self.SetMinSize(best)
self.Refresh()
def DoGetBestSize(self):
"""
Overridden base class virtual. Determines the best size of
the button based on the label size.
"""
label = self.GetLabel()
maxWidth = totalHeight = 0
for line in label.split('\n'):
if line == '':
w, h = self.GetTextExtent('W') # empty lines have height too
else:
w, h = self.GetTextExtent(line)
totalHeight += h
maxWidth = max(maxWidth, w)
return wx.Size(maxWidth, totalHeight)
def AcceptsFocus(self):
"""Overridden base class virtual."""
return False
def GetDefaultAttributes(self):
"""
Overridden base class virtual. By default we should use
the same font/colour attributes as the native StaticText.
"""
return wx.StaticText.GetClassDefaultAttributes()
def ShouldInheritColours(self):
"""
Overridden base class virtual. If the parent has non-default
colours then we want this control to inherit them.
"""
return True
def OnPaint(self, event):
dc = wx.BufferedPaintDC(self)
#dc = wx.PaintDC(self)
width, height = self.GetClientSize()
if not width or not height:
return
clr = self.GetBackgroundColour()
backBrush = wx.Brush(clr, wx.SOLID)
if wx.Platform == "__WXMAC__" and clr == self.defBackClr:
# if colour is still the default then use the striped background on Mac
backBrush.MacSetTheme(1) # 1 == kThemeBrushDialogBackgroundActive
dc.SetBackground(backBrush)
dc.SetTextForeground(self.GetForegroundColour())
dc.Clear()
dc.SetFont(self.GetFont())
label = self.GetLabel()
style = self.GetWindowStyleFlag()
x = y = 0
for line in label.split('\n'):
if line == '':
w, h = self.GetTextExtent('W') # empty lines have height too
else:
w, h = self.GetTextExtent(line)
if style & wx.ALIGN_RIGHT:
x = width - w
if style & wx.ALIGN_CENTER:
x = (width - w)/2
dc.DrawText(line, x, y)
y += h
def OnEraseBackground(self, event):
pass
#----------------------------------------------------------------------