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from wxPython.wx import *
from wxPython.lib import colourdb
import images
# This loads a whole bunch of new color names and values
# into wxTheColourDatabase
colourdb.updateColourDB()
#----------------------------------------------------------------------
class TestWindow(wxScrolledWindow):
def __init__(self, parent):
wxScrolledWindow.__init__(self, parent, -1)
self.clrList = colourdb.getColourList()
#self.clrList.sort()
self.bg_bmp = images.getGridBGBitmap()
EVT_PAINT(self, self.OnPaint)
EVT_ERASE_BACKGROUND(self, self.OnEraseBackground)
#self.SetBackgroundColour("WHITE")
self.font = wxFont(10, wxSWISS, wxNORMAL, wxNORMAL)
dc = wxClientDC(self)
dc.SetFont(self.font)
w,h,d,e = dc.GetFullTextExtent("Wy") # a wide character and one that descends
self.textHeight = h + d
self.lineHeight = self.textHeight + 5
self.cellWidth = w
numCells = 24
self.SetScrollbars(self.cellWidth, self.lineHeight, numCells, len(self.clrList) + 2)
def TileBackground(self, dc):
# tile the background bitmap
sz = self.GetClientSize()
w = self.bg_bmp.GetWidth()
h = self.bg_bmp.GetHeight()
# adjust for scrolled position
spx, spy = self.GetScrollPixelsPerUnit()
vsx, vsy = self.GetViewStart()
dx, dy = (spx * vsx) % w, (spy * vsy) % h
x = -dx
while x < sz.width:
y = -dy
while y < sz.height:
dc.DrawBitmap(self.bg_bmp, x, y)
y = y + h
x = x + w
def OnEraseBackground(self, evt):
dc = evt.GetDC()
if not dc:
dc = wxClientDC(self)
rect = self.GetUpdateRegion().GetBox()
dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height)
self.TileBackground(dc)
def OnPaint(self, evt):
dc = wxPaintDC(self)
self.PrepareDC(dc)
self.Draw(dc, self.GetUpdateRegion(), self.GetViewStart())
def Draw(self, dc, rgn=None, vs=None):
dc.BeginDrawing()
dc.SetTextForeground("BLACK")
dc.SetPen(wxPen("BLACK", 1, wxSOLID))
dc.SetFont(self.font)
colours = self.clrList
numColours = len(colours)
if rgn:
# determine the subset that has been exposed and needs drawn
rect = rgn.GetBox()
pixStart = vs[1]*self.lineHeight + rect.y
pixStop = pixStart + rect.height
start = pixStart / self.lineHeight - 1
stop = pixStop / self.lineHeight
else:
start = 0
stop = numColours
for line in range(max(0,start), min(stop,numColours)):
clr = colours[line]
y = (line+1) * self.lineHeight + 2
dc.DrawText(clr, self.cellWidth, y)
brush = wxBrush(clr, wxSOLID)
dc.SetBrush(brush)
dc.DrawRectangle(12 * self.cellWidth, y, 6 * self.cellWidth, self.textHeight)
dc.EndDrawing()
# On wxGTK there needs to be a panel under wxScrolledWindows if they are
# going to be in a wxNotebook...
class TestPanel(wxPanel):
def __init__(self, parent):
wxPanel.__init__(self, parent, -1)
self.win = TestWindow(self)
EVT_SIZE(self, self.OnSize)
def OnSize(self, evt):
self.win.SetSize(evt.GetSize())
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestPanel(nb)
return win
#----------------------------------------------------------------------
overview = """
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])])
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