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#!/usr/bin/env python
import wx
import images
#----------------------------------------------------------------------
class TestFrame(wx.Frame):
def __init__(self, parent, log):
self.log = log
wx.Frame.__init__(self, parent, -1, "Shaped Window",
style =
wx.FRAME_SHAPED
| wx.SIMPLE_BORDER
| wx.FRAME_NO_TASKBAR
| wx.STAY_ON_TOP
)
self.hasShape = False
self.delta = (0,0)
self.Bind(wx.EVT_LEFT_DCLICK, self.OnDoubleClick)
self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
self.Bind(wx.EVT_MOTION, self.OnMouseMove)
self.Bind(wx.EVT_RIGHT_UP, self.OnExit)
self.Bind(wx.EVT_PAINT, self.OnPaint)
# Load the image and ensure it has a Mask, (rather than an alpha channel)
img = images.Vippi.GetImage()
if img.HasAlpha():
img.ConvertAlphaToMask()
# Convert it to a wx.Bitmap, which will be used in SetWindowShape, and
# in OnPaint below.
self.bmp = wx.Bitmap(img)
w, h = self.bmp.GetWidth(), self.bmp.GetHeight()
self.SetClientSize( (w, h) )
self.SetToolTip("Right-click to close the window\n"
"Double-click the image to set/unset the window shape")
if wx.Platform == "__WXGTK__":
# wxGTK requires that the window be created before you can
# set its shape, so delay the call to SetWindowShape until
# this event.
self.Bind(wx.EVT_WINDOW_CREATE, self.SetWindowShape)
else:
# On wxMSW and wxMac the window has already been created, so go for it.
self.SetWindowShape()
dc = wx.ClientDC(self)
dc.DrawBitmap(self.bmp, 0,0, True)
def SetWindowShape(self, *evt):
# Use the bitmap's mask to create a wx.Region
r = wx.Region(self.bmp)
# NOTE: Starting in 4.1 you can also get a wx.Region directly from
# a wx.Image, so you can save a step if you don't need it as a wx.Bitmap
# for anything else.
#r = self.img.ConvertToRegion()
# Use the region to set the frame's shape
self.hasShape = self.SetShape(r)
def OnDoubleClick(self, evt):
if self.hasShape:
self.SetShape(wx.Region())
self.hasShape = False
else:
self.SetWindowShape()
def OnPaint(self, evt):
dc = wx.PaintDC(self)
dc.DrawBitmap(self.bmp, 0,0, True)
def OnExit(self, evt):
self.Close()
def OnLeftDown(self, evt):
self.CaptureMouse()
x, y = self.ClientToScreen(evt.GetPosition())
originx, originy = self.GetPosition()
dx = x - originx
dy = y - originy
self.delta = ((dx, dy))
def OnLeftUp(self, evt):
if self.HasCapture():
self.ReleaseMouse()
def OnMouseMove(self, evt):
if evt.Dragging() and evt.LeftIsDown():
x, y = self.ClientToScreen(evt.GetPosition())
fp = (x - self.delta[0], y - self.delta[1])
self.Move(fp)
#---------------------------------------------------------------------------
class TestPanel(wx.Panel):
def __init__(self, parent, log):
self.log = log
wx.Panel.__init__(self, parent, -1)
b = wx.Button(self, -1, "Show the ShapedWindow sample", (50,50))
self.Bind(wx.EVT_BUTTON, self.OnButton, b)
def OnButton(self, evt):
win = TestFrame(self, self.log)
win.Show(True)
#---------------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestPanel(nb, log)
return win
#----------------------------------------------------------------------
overview = """<html><body>
<h2><center>Shaped Window</center></h2>
Top level windows now have a SetShape method that lets you set a
non-rectangular shape for the window using a wxRegion. All pixels
outside of the region will not be drawn and the window will not be
sensitive to the mouse in those areas either.
</body></html>
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
|
