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2import wx
3import wx.gizmos as gizmos
4import wx.stc as stc
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5
6#----------------------------------------------------------------------
7# This is an example of the complex view that manages its own scrollbars
8# as described in the overview below.
9
8fa876ca 10class TestView(stc.StyledTextCtrl):
ebf4302c 11 def __init__(self, parent, ID, log):
8fa876ca 12 stc.StyledTextCtrl.__init__(self, parent, ID, style=wx.NO_BORDER)
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13 self.dyn_sash = parent
14 self.log = log
6e8a778a 15 self.SetupScrollBars()
ebf4302c 16 self.SetMarginWidth(1,0)
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17
18 self.StyleSetFont(stc.STC_STYLE_DEFAULT,
19 wx.Font(10, wx.MODERN, wx.NORMAL, wx.NORMAL))
20
21 self.Bind(gizmos.EVT_DYNAMIC_SASH_SPLIT, self.OnSplit)
22 self.Bind(gizmos.EVT_DYNAMIC_SASH_UNIFY, self.OnUnify)
a834585d 23 #self.SetScrollWidth(500)
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24
25 def SetupScrollBars(self):
26 # hook the scrollbars provided by the wxDynamicSashWindow
27 # to this view
28 v_bar = self.dyn_sash.GetVScrollBar(self)
29 h_bar = self.dyn_sash.GetHScrollBar(self)
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30 v_bar.Bind(wx.EVT_SCROLL, self.OnSBScroll)
31 h_bar.Bind(wx.EVT_SCROLL, self.OnSBScroll)
32 v_bar.Bind(wx.EVT_SET_FOCUS, self.OnSBFocus)
33 h_bar.Bind(wx.EVT_SET_FOCUS, self.OnSBFocus)
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34
35 # And set the wxStyledText to use these scrollbars instead
36 # of its built-in ones.
37 self.SetVScrollBar(v_bar)
38 self.SetHScrollBar(h_bar)
39
40
41 def __del__(self):
42 self.log.write("TestView.__del__\n")
43
44 def OnSplit(self, evt):
45 self.log.write("TestView.OnSplit\n");
46 newview = TestView(self.dyn_sash, -1, self.log)
47 newview.SetDocPointer(self.GetDocPointer()) # use the same document
48 self.SetupScrollBars()
49
50
51 def OnUnify(self, evt):
52 self.log.write("TestView.OnUnify\n");
53 self.SetupScrollBars()
54
55
56 def OnSBScroll(self, evt):
57 # redirect the scroll events from the dyn_sash's scrollbars to the STC
58 self.GetEventHandler().ProcessEvent(evt)
59
60 def OnSBFocus(self, evt):
61 # when the scrollbar gets the focus move it back to the STC
62 self.SetFocus()
63
64
65sampleText="""\
66You can drag the little tabs above the vertical scrollbar, or to the
67left of the horizontal scrollbar to split this view, and you can
68continue splitting the new views as much as you like. Try it and see.
69
70In this case the views also share the same document so changes in one
71are instantly seen in the others. This is a feature of the
8fa876ca 72StyledTextCtrl that is used for the view class in this sample.
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73"""
74
75#----------------------------------------------------------------------
76# This one is simpler, but doesn't do anything with the scrollbars
77# except the default wxDynamicSashWindow behaviour
78
8fa876ca 79class SimpleView(wx.Panel):
ebf4302c 80 def __init__(self, parent, ID, log):
8fa876ca 81 wx.Panel.__init__(self, parent, ID)
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82 self.dyn_sash = parent
83 self.log = log
84 self.SetBackgroundColour("LIGHT BLUE")
8fa876ca 85 self.Bind(gizmos.EVT_DYNAMIC_SASH_SPLIT, self.OnSplit)
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86
87 def OnSplit(self, evt):
88 v = SimpleView(self.dyn_sash, -1, self.log)
89
90
91#----------------------------------------------------------------------
92
93def runTest(frame, nb, log):
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94 if wx.Platform == "__WXMAC__":
95 wx.MessageBox("This demo currently fails on the Mac. The problem is being looked into...", "Sorry")
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96 return
97
ebf4302c 98 if 1:
8fa876ca 99 win = gizmos.DynamicSashWindow(nb, -1, style = wx.CLIP_CHILDREN
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100 #| wxDS_MANAGE_SCROLLBARS
101 #| wxDS_DRAG_CORNER
102 )
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103
104 win.SetFont(wx.Font(10, wx.MODERN, wx.NORMAL, wx.NORMAL))
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105 view = TestView(win, -1, log)
106 view.SetText(sampleText)
107 else:
8fa876ca 108 win = wx.DynamicSashWindow(nb, -1)
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109 view = SimpleView(win, -1, log)
110 return win
111
112#----------------------------------------------------------------------
113
114overview = """\
115<html><body>
8fa876ca 116<h2>DynamicSashWindow</h2>
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117<p>
118wxDynamicSashWindow widgets manages the way other widgets are viewed.
119When a wxDynamicSashWindow is first shown, it will contain one child
120view, a viewport for that child, and a pair of scrollbars to allow the
121user to navigate the child view area. Next to each scrollbar is a small
122tab. By clicking on either tab and dragging to the appropriate spot, a
123user can split the view area into two smaller views separated by a
124draggable sash. Later, when the user wishes to reunify the two subviews,
125the user simply drags the sash to the side of the window.
126wxDynamicSashWindow will automatically reparent the appropriate child
127view back up the window hierarchy, and the wxDynamicSashWindow will have
128only one child view once again.
129<p>
130As an application developer, you will simply create a wxDynamicSashWindow
131using either the Create() function or the more complex constructor
132provided below, and then create a view window whose parent is the
133wxDynamicSashWindow. The child should respond to
134wxDynamicSashSplitEvents -- perhaps with an OnSplit() event handler -- by
135constructing a new view window whose parent is also the
136wxDynamicSashWindow. That's it! Now your users can dynamically split
137and reunify the view you provided.
138<p>
139If you wish to handle the scrollbar events for your view, rather than
140allowing wxDynamicSashWindow to do it for you, things are a bit more
141complex. (You might want to handle scrollbar events yourself, if,
142for instance, you wish to scroll a subwindow of the view you add to
143your wxDynamicSashWindow object, rather than scrolling the whole view.)
144In this case, you will need to construct your wxDynamicSashWindow without
145the wxDS_MANAGE_SCROLLBARS style and you will need to use the
146GetHScrollBar() and GetVScrollBar() methods to retrieve the scrollbar
147controls and call SetEventHanler() on them to redirect the scrolling
148events whenever your window is reparented by wxDyanmicSashWindow.
149You will need to set the scrollbars' event handler at three times:
150<p>
151<ul>
152<li> When your view is created
153<li> When your view receives a wxDynamicSashSplitEvent
154<li> When your view receives a wxDynamicSashUnifyEvent
155</ul>
156</body></html>
157"""
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158
159
160if __name__ == '__main__':
161 import sys,os
162 import run
8eca4fef 163 run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
1e4a197e 164