added wxWindows shared library to link of OpenGL wxWindows shared library
[wxWidgets.git] / wxPython / demo / ColourDB.py
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 rect = self.GetUpdateRegion().GetBox()
64 dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height)
65 self.TileBackground(dc)
66
67
68 def OnPaint(self, evt):
69 dc = wxPaintDC(self)
70 self.PrepareDC(dc)
71 self.Draw(dc, self.GetUpdateRegion(), self.GetViewStart())
72
73
74 def Draw(self, dc, rgn=None, vs=None):
75 dc.BeginDrawing()
76 dc.SetTextForeground("BLACK")
77 dc.SetPen(wxPen("BLACK", 1, wxSOLID))
78 dc.SetFont(self.font)
79 colours = self.clrList
80 numColours = len(colours)
81
82 if rgn:
83 # determine the subset that has been exposed and needs drawn
84 rect = rgn.GetBox()
85 pixStart = vs[1]*self.lineHeight + rect.y
86 pixStop = pixStart + rect.height
87 start = pixStart / self.lineHeight - 1
88 stop = pixStop / self.lineHeight
89 else:
90 start = 0
91 stop = numColours
92
93 for line in range(max(0,start), min(stop,numColours)):
94 clr = colours[line]
95 y = (line+1) * self.lineHeight + 2
96 dc.DrawText(clr, self.cellWidth, y)
97
98 brush = wxBrush(clr, wxSOLID)
99 dc.SetBrush(brush)
100 dc.DrawRectangle(12 * self.cellWidth, y, 6 * self.cellWidth, self.textHeight)
101
102 dc.EndDrawing()
103
104
105 # On wxGTK there needs to be a panel under wxScrolledWindows if they are
106 # going to be in a wxNotebook...
107 class TestPanel(wxPanel):
108 def __init__(self, parent):
109 wxPanel.__init__(self, parent, -1)
110 self.win = TestWindow(self)
111 EVT_SIZE(self, self.OnSize)
112
113 def OnSize(self, evt):
114 self.win.SetSize(evt.GetSize())
115
116
117
118 #----------------------------------------------------------------------
119
120
121 def runTest(frame, nb, log):
122 win = TestPanel(nb)
123 return win
124
125 #----------------------------------------------------------------------
126
127 overview = """
128 """