don't log mouse events by default
[wxWidgets.git] / wxPython / demo / wxScrolledWindow.py
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1
2from wxPython.wx import *
3
4import images
5
6#---------------------------------------------------------------------------
7
8class MyCanvas(wxScrolledWindow):
9 def __init__(self, parent, id = -1, size = wxDefaultSize):
10 wxScrolledWindow.__init__(self, parent, id, wxPoint(0, 0), size, wxSUNKEN_BORDER)
11
12 self.lines = []
13 self.maxWidth = 1000
14 self.maxHeight = 1000
15
16 self.SetBackgroundColour(wxNamedColor("WHITE"))
17 EVT_LEFT_DOWN(self, self.OnLeftButtonEvent)
18 EVT_LEFT_UP(self, self.OnLeftButtonEvent)
19 EVT_MOTION(self, self.OnLeftButtonEvent)
20
21 EVT_PAINT(self, self.OnPaint)
22
23
24 self.SetCursor(wxStockCursor(wxCURSOR_PENCIL))
25 bmp = images.getTest2Bitmap()
26 mask = wxMaskColour(bmp, wxBLUE)
27 bmp.SetMask(mask)
28 self.bmp = bmp
29
30 self.SetScrollbars(20, 20, self.maxWidth/20, self.maxHeight/20)
31
32 def getWidth(self):
33 return self.maxWidth
34
35 def getHeight(self):
36 return self.maxHeight
37
38
39 def OnPaint(self, event):
40 dc = wxPaintDC(self)
41 self.PrepareDC(dc)
42 self.DoDrawing(dc)
43
44
45 def DoDrawing(self, dc):
46 dc.BeginDrawing()
47 dc.SetPen(wxPen(wxNamedColour('RED')))
48 dc.DrawRectangle(5, 5, 50, 50)
49
50 dc.SetBrush(wxLIGHT_GREY_BRUSH)
51 dc.SetPen(wxPen(wxNamedColour('BLUE'), 4))
52 dc.DrawRectangle(15, 15, 50, 50)
53
54 dc.SetFont(wxFont(14, wxSWISS, wxNORMAL, wxNORMAL))
55 dc.SetTextForeground(wxColour(0xFF, 0x20, 0xFF))
56 te = dc.GetTextExtent("Hello World")
57 dc.DrawText("Hello World", 60, 65)
58
59 dc.SetPen(wxPen(wxNamedColour('VIOLET'), 4))
60 dc.DrawLine(5, 65+te[1], 60+te[0], 65+te[1])
61
62 lst = [(100,110), (150,110), (150,160), (100,160)]
63 dc.DrawLines(lst, -60)
64 dc.SetPen(wxGREY_PEN)
65 dc.DrawPolygon(lst, 75)
66 dc.SetPen(wxGREEN_PEN)
67 dc.DrawSpline(lst+[(100,100)])
68
69 dc.DrawBitmap(self.bmp, 200, 20, true)
70 dc.SetTextForeground(wxColour(0, 0xFF, 0x80))
71 dc.DrawText("a bitmap", 200, 85)
72
73 font = wxFont(20, wxSWISS, wxNORMAL, wxNORMAL)
74 dc.SetFont(font)
75 dc.SetTextForeground(wxBLACK)
76 for a in range(0, 360, 45):
77 dc.DrawRotatedText("Rotated text...", 300, 300, a)
78
79 dc.SetPen(wxTRANSPARENT_PEN)
80 dc.SetBrush(wxBLUE_BRUSH)
81 dc.DrawRectangle(50,500,50,50)
82 dc.DrawRectangle(100,500,50,50)
83
84 dc.SetPen(wxPen(wxNamedColour('RED')))
85 dc.DrawEllipticArc(200, 500, 50, 75, 0, 90)
86
87 y = 20
88 for style in [wxDOT, wxLONG_DASH, wxSHORT_DASH, wxDOT_DASH, wxUSER_DASH]:
89 pen = wxPen("DARK ORCHID", 1, style)
90 if style == wxUSER_DASH:
91 pen.SetDashes([0, 1, 2, 3, 4, 5, 6, 7, 8])
92 pen.SetColour("RED")
93
94 dc.SetPen(pen)
95 dc.DrawLine(300, y, 400, y)
96 y = y + 10
97
98
99 self.DrawSavedLines(dc)
100 dc.EndDrawing()
101
102
103
104 def DrawSavedLines(self, dc):
105 dc.SetPen(wxPen(wxNamedColour('MEDIUM FOREST GREEN'), 4))
106 for line in self.lines:
107 for coords in line:
108 apply(dc.DrawLine, coords)
109
110
111 def SetXY(self, event):
112 self.x, self.y = self.ConvertEventCoords(event)
113
114 def ConvertEventCoords(self, event):
115 xView, yView = self.GetViewStart()
116 xDelta, yDelta = self.GetScrollPixelsPerUnit()
117 return (event.GetX() + (xView * xDelta),
118 event.GetY() + (yView * yDelta))
119
120 def OnLeftButtonEvent(self, event):
121 if event.LeftDown():
122 self.SetXY(event)
123 self.curLine = []
124 self.CaptureMouse()
125
126 elif event.Dragging():
127 dc = wxClientDC(self)
128 self.PrepareDC(dc)
129 dc.BeginDrawing()
130 dc.SetPen(wxPen(wxNamedColour('MEDIUM FOREST GREEN'), 4))
131 coords = (self.x, self.y) + self.ConvertEventCoords(event)
132 self.curLine.append(coords)
133 apply(dc.DrawLine, coords)
134 self.SetXY(event)
135 dc.EndDrawing()
136
137 elif event.LeftUp():
138 self.lines.append(self.curLine)
139 self.curLine = []
140 self.ReleaseMouse()
141
142
143## This is an example of what to do for the EVT_MOUSEWHEEL event,
144## but since wxScrolledWindow does this already it's not
145## necessary to do it ourselves.
146
147## wheelScroll = 0
148## def OnWheel(self, evt):
149## delta = evt.GetWheelDelta()
150## rot = evt.GetWheelRotation()
151## linesPer = evt.GetLinesPerAction()
152## ws = self.wheelScroll
153## ws = ws + rot
154## lines = ws / delta
155## ws = ws - lines * delta
156## self.wheelScroll = ws
157## if lines != 0:
158## lines = lines * linesPer
159## vsx, vsy = self.GetViewStart()
160## scrollTo = vsy - lines
161## self.Scroll(-1, scrollTo)
162
163#---------------------------------------------------------------------------
164
165def runTest(frame, nb, log):
166 win = MyCanvas(nb)
167 return win
168
169#---------------------------------------------------------------------------
170
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182
183overview = """\
184"""