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[wxWidgets.git] / wxPython / demo / GridBagSizer.py
1
2 import wx # This module uses the new wx namespace
3
4 #----------------------------------------------------------------------
5 gbsDescription = """\
6 The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned
7 in a virtual cell of the layout grid, and column or row spanning is allowed. For example, this
8 static text is positioned at (0,0) and it spans 7 columns.
9 """
10
11
12 class TestFrame(wx.Frame):
13 def __init__(self):
14 wx.Frame.__init__(self, None, -1, "wxGridBagSizer")
15 p = wx.Panel(self, -1)
16 p.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
17
18 gbs = self.gbs = wx.GridBagSizer(5, 5)
19
20 gbs.Add( wx.StaticText(p, -1, gbsDescription),
21 (0,0), (1,7), wx.ALIGN_CENTER | wx.ALL, 5)
22
23 gbs.Add( wx.TextCtrl(p, -1, "pos(1,0)"), (1,0) )
24 gbs.Add( wx.TextCtrl(p, -1, "pos(1,1)"), (1,1) )
25 gbs.Add( wx.TextCtrl(p, -1, "pos(2,0)"), (2,0) )
26 gbs.Add( wx.TextCtrl(p, -1, "pos(2,1)"), (2,1) )
27
28 gbs.Add( wx.TextCtrl(p, -1, "pos(3,2), span(1,2)\nthis row and col are growable", style=wx.TE_MULTILINE),
29 (3,2), (1,2), flag=wx.EXPAND )
30
31 gbs.Add( wx.TextCtrl(p, -1, "pos(4,3), span(3,1)", style=wx.TE_MULTILINE),
32 (4,3), (3,1), wx.EXPAND)
33
34 gbs.Add( wx.TextCtrl(p, -1, "pos(5,4)"), (5,4), flag=wx.EXPAND )
35 gbs.Add( wx.TextCtrl(p, -1, "pos(6,5)"), (6,5), flag=wx.EXPAND )
36 gbs.Add( wx.TextCtrl(p, -1, "pos(7,6)"), (7,6) )
37
38 moveBtn1 = wx.Button(p, -1, "Move this to (3,6)")
39 moveBtn2 = wx.Button(p, -1, "Move this to (3,6)");
40 gbs.Add( moveBtn1, (10,2) )
41 gbs.Add( moveBtn2, (10,3) )
42
43 hideBtn = wx.Button(p, -1, "Hide this item -->")
44 gbs.Add(hideBtn, (12, 3))
45
46 hideTxt = wx.TextCtrl(p, -1, "pos(12,4), size(150, -1)", size = (150,-1))
47 gbs.Add( hideTxt, (12,4) )
48
49 showBtn = wx.Button(p, -1, "<-- Show it again")
50 gbs.Add(showBtn, (12, 5))
51 showBtn.Disable()
52 self.hideBtn = hideBtn
53 self.showBtn = showBtn
54 self.hideTxt = hideTxt
55
56 self.Bind(wx.EVT_BUTTON, self.OnHideButton, hideBtn)
57 self.Bind(wx.EVT_BUTTON, self.OnShowButton, showBtn)
58 self.Bind(wx.EVT_BUTTON, self.OnMoveButton, moveBtn1)
59 self.Bind(wx.EVT_BUTTON, self.OnMoveButton, moveBtn2)
60
61 # Add a spacer at the end to ensure some extra space at the bottom
62 gbs.Add((10,10), (14,7))
63
64 gbs.AddGrowableRow(3)
65 gbs.AddGrowableCol(2)
66
67 p.SetSizerAndFit(gbs)
68 self.SetClientSize(p.GetSize())
69
70
71 def OnHideButton(self, evt):
72 self.gbs.Hide(self.hideTxt)
73 self.hideBtn.Disable()
74 self.showBtn.Enable()
75 self.gbs.Layout()
76
77
78 def OnShowButton(self, evt):
79 self.gbs.Show(self.hideTxt)
80 self.hideBtn.Enable()
81 self.showBtn.Disable()
82 self.gbs.Layout()
83
84
85 def OnMoveButton(self, evt):
86 btn = evt.GetEventObject()
87 curPos = self.gbs.GetItemPosition(btn)
88
89 # if it's already at the "other" spot then move it back
90 if curPos == (3,6):
91 self.gbs.SetItemPosition(btn, self.lastPos)
92 btn.SetLabel("Move this to (3,6)")
93 else:
94 if self.gbs.CheckForIntersection( (3,6), (1,1) ):
95 wx.MessageBox("""\
96 wxGridBagSizer will not allow items to be in the same cell as
97 another item, so this operation will fail. You will also get an assert
98 when compiled in debug mode.""",
99 "Warning", wx.OK | wx.ICON_INFORMATION)
100
101 try:
102 if self.gbs.SetItemPosition(btn, (3,6)):
103 self.lastPos = curPos
104 btn.SetLabel("Move it back")
105 except wx.PyAssertionError:
106 pass
107
108 self.gbs.Layout()
109
110
111 def OnLeftDown(self, evt):
112 pt = evt.GetPosition()
113 item = self.gbs.FindItemAtPoint(pt)
114 if item is None:
115 print "no item at", `pt`
116 else:
117 print "item found: ", `item.GetPos()`, "--", `item.GetSpan()`
118
119
120 #----------------------------------------------------------------------
121
122 def runTest(frame, nb, log):
123 win = TestFrame()
124 frame.otherWin = win
125 win.Show(True)
126
127
128 #----------------------------------------------------------------------
129
130
131
132 overview = """<html><body>
133 <h2><center>wxGridBagSizer</center></h2>
134
135 The wxGridBagSizer is more or less a port of the the RowColSizer (that
136 has been in the wxPython.lib package for quite some time) to C++. It
137 allows items to be placed at specific layout grid cells, and items can
138 span across more than one row or column.
139 </body></html>
140 """
141
142
143
144 if __name__ == '__main__':
145 import sys,os
146 import run
147 run.main(['', os.path.basename(sys.argv[0])])
148