]> git.saurik.com Git - wxWidgets.git/blame_incremental - wxPython/demo/ColourDB.py
Committing in .
[wxWidgets.git] / wxPython / demo / ColourDB.py
... / ...
CommitLineData
1
2from wxPython.wx import *
3from wxPython.lib import colourdb
4
5import images
6
7
8# This loads a whole bunch of new color names and values
9# into wxTheColourDatabase
10
11colourdb.updateColourDB()
12
13#----------------------------------------------------------------------
14
15class TestWindow(wxScrolledWindow):
16 def __init__(self, parent):
17 wxScrolledWindow.__init__(self, parent, -1)
18
19 self.clrList = colourdb.getColourList()
20 #self.clrList.sort()
21 self.bg_bmp = images.getGridBGBitmap()
22
23 EVT_PAINT(self, self.OnPaint)
24 EVT_ERASE_BACKGROUND(self, self.OnEraseBackground)
25 #self.SetBackgroundColour("WHITE")
26
27 self.font = wxFont(10, wxSWISS, wxNORMAL, wxNORMAL)
28 dc = wxClientDC(self)
29 dc.SetFont(self.font)
30
31 w,h,d,e = dc.GetFullTextExtent("Wy") # a wide character and one that decends
32 self.textHeight = h + d
33 self.lineHeight = self.textHeight + 5
34 self.cellWidth = w
35
36 numCells = 24
37 self.SetScrollbars(self.cellWidth, self.lineHeight, numCells, len(self.clrList) + 2)
38
39
40 def TileBackground(self, dc):
41 # tile the background bitmap
42 sz = self.GetClientSize()
43 w = self.bg_bmp.GetWidth()
44 h = self.bg_bmp.GetHeight()
45
46 # adjust for scrolled position
47 spx, spy = self.GetScrollPixelsPerUnit()
48 vsx, vsy = self.GetViewStart()
49 dx, dy = (spx * vsx) % w, (spy * vsy) % h
50
51 x = -dx
52 while x < sz.width:
53 y = -dy
54 while y < sz.height:
55 dc.DrawBitmap(self.bg_bmp, x, y)
56 y = y + h
57 x = x + w
58
59
60 def OnEraseBackground(self, evt):
61 dc = evt.GetDC()
62 if not dc:
63 dc = wxClientDC(self)
64 rect = self.GetUpdateRegion().GetBox()
65 dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height)
66 self.TileBackground(dc)
67
68
69 def OnPaint(self, evt):
70 dc = wxPaintDC(self)
71 self.PrepareDC(dc)
72 self.Draw(dc, self.GetUpdateRegion(), self.GetViewStart())
73
74
75 def Draw(self, dc, rgn=None, vs=None):
76 dc.BeginDrawing()
77 dc.SetTextForeground("BLACK")
78 dc.SetPen(wxPen("BLACK", 1, wxSOLID))
79 dc.SetFont(self.font)
80 colours = self.clrList
81 numColours = len(colours)
82
83 if rgn:
84 # determine the subset that has been exposed and needs drawn
85 rect = rgn.GetBox()
86 pixStart = vs[1]*self.lineHeight + rect.y
87 pixStop = pixStart + rect.height
88 start = pixStart / self.lineHeight - 1
89 stop = pixStop / self.lineHeight
90 else:
91 start = 0
92 stop = numColours
93
94 for line in range(max(0,start), min(stop,numColours)):
95 clr = colours[line]
96 y = (line+1) * self.lineHeight + 2
97 dc.DrawText(clr, self.cellWidth, y)
98
99 brush = wxBrush(clr, wxSOLID)
100 dc.SetBrush(brush)
101 dc.DrawRectangle(12 * self.cellWidth, y, 6 * self.cellWidth, self.textHeight)
102
103 dc.EndDrawing()
104
105
106# On wxGTK there needs to be a panel under wxScrolledWindows if they are
107# going to be in a wxNotebook...
108class TestPanel(wxPanel):
109 def __init__(self, parent):
110 wxPanel.__init__(self, parent, -1)
111 self.win = TestWindow(self)
112 EVT_SIZE(self, self.OnSize)
113
114 def OnSize(self, evt):
115 self.win.SetSize(evt.GetSize())
116
117
118
119#----------------------------------------------------------------------
120
121
122def runTest(frame, nb, log):
123 win = TestPanel(nb)
124 return win
125
126#----------------------------------------------------------------------
127
128overview = """
129"""