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Commit	Line	Data
	1
	2	from wxPython.wx import *
	3	from wxPython.lib import colourdb
	4
	5	import images
	6
	7
	8	# This loads a whole bunch of new color names and values
	9	# into wxTheColourDatabase
	10
	11	colourdb.updateColourDB()
	12
	13	#----------------------------------------------------------------------
	14
	15	class TestWindow(wxScrolledWindow):
	16	def __init__(self, parent):
	17	wxScrolledWindow.__init__(self, parent, -1)
	18
	19	self.clrList = colourdb.getColourList()
	20	self.bg_bmp = images.getGridBGBitmap()
	21
	22	EVT_PAINT(self, self.OnPaint)
	23	EVT_ERASE_BACKGROUND(self, self.OnEraseBackground)
	24	#self.SetBackgroundColour("WHITE")
	25
	26	self.font = wxFont(10, wxSWISS, wxNORMAL, wxNORMAL)
	27	dc = wxClientDC(self)
	28	dc.SetFont(self.font)
	29
	30	w,h,d,e = dc.GetFullTextExtent("Wy") # a wide character and one that decends
	31	self.textHeight = h + d
	32	self.lineHeight = self.textHeight + 5
	33	self.cellWidth = w
	34
	35	numCells = 24
	36	self.SetScrollbars(self.cellWidth, self.lineHeight, numCells, len(self.clrList) + 2)
	37
	38
	39	def TileBackground(self, dc):
	40	# tile the background bitmap
	41	sz = self.GetClientSize()
	42	w = self.bg_bmp.GetWidth()
	43	h = self.bg_bmp.GetHeight()
	44
	45	# adjust for scrolled position
	46	spx, spy = self.GetScrollPixelsPerUnit()
	47	vsx, vsy = self.GetViewStart()
	48	dx, dy = (spx * vsx) % w, (spy * vsy) % h
	49
	50	x = -dx
	51	while x < sz.width:
	52	y = -dy
	53	while y < sz.height:
	54	dc.DrawBitmap(self.bg_bmp, x, y)
	55	y = y + h
	56	x = x + w
	57
	58
	59	def OnEraseBackground(self, evt):
	60	dc = evt.GetDC()
	61	if not dc:
	62	dc = wxClientDC(self)
	63	self.TileBackground(dc)
	64
	65
	66	def OnPaint(self, evt):
	67	dc = wxPaintDC(self)
	68	self.PrepareDC(dc)
	69	self.Draw(dc, self.GetUpdateRegion(), self.GetViewStart())
	70
	71
	72	def Draw(self, dc, rgn=None, vs=None):
	73	dc.BeginDrawing()
	74	dc.SetTextForeground("BLACK")
	75	dc.SetPen(wxPen("BLACK", 1, wxSOLID))
	76	dc.SetFont(self.font)
	77	colours = self.clrList
	78	numColours = len(colours)
	79
	80	if rgn:
	81	# determine the subset that have been exposed and needs drawn
	82	rect = rgn.GetBox()
	83	pixStart = vs[1]*self.lineHeight + rect.y
	84	pixStop = pixStart + rect.height
	85	start = pixStart / self.lineHeight - 1
	86	stop = pixStop / self.lineHeight
	87	else:
	88	start = 0
	89	stop = len(numColours)
	90
	91	for line in range(max(0,start), min(stop,numColours)):
	92	clr = colours[line]
	93	y = (line+1) * self.lineHeight + 2
	94	dc.DrawText(clr, self.cellWidth, y)
	95
	96	brush = wxBrush(clr, wxSOLID)
	97	dc.SetBrush(brush)
	98	dc.DrawRectangle(12 * self.cellWidth, y, 6 * self.cellWidth, self.textHeight)
	99
	100	dc.EndDrawing()
	101
	102
	103
	104	#----------------------------------------------------------------------
	105
	106
	107	def runTest(frame, nb, log):
	108	win = TestWindow(nb)
	109	return win
	110
	111	#----------------------------------------------------------------------
	112
	113	overview = """
	114	"""