95bfd958bd
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25140 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
266 lines
8.3 KiB
Python
266 lines
8.3 KiB
Python
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import wx
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#----------------------------------------------------------------------
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ID_CopyBtn = wx.NewId()
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ID_PasteBtn = wx.NewId()
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ID_BitmapBtn = wx.NewId()
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#----------------------------------------------------------------------
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class ClipTextPanel(wx.Panel):
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def __init__(self, parent, log):
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wx.Panel.__init__(self, parent, -1)
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self.log = log
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#self.SetFont(wx.Font(10, wx.SWISS, wx.NORMAL, wx.BOLD, False))
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sizer = wx.BoxSizer(wx.VERTICAL)
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sizer.Add(
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wx.StaticText(
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self, -1, "Copy/Paste text to/from\n"
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"this window and other apps"
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),
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0, wx.EXPAND|wx.ALL, 2
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)
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self.text = wx.TextCtrl(self, -1, "", style=wx.TE_MULTILINE|wx.HSCROLL)
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sizer.Add(self.text, 1, wx.EXPAND)
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hsz = wx.BoxSizer(wx.HORIZONTAL)
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hsz.Add(wx.Button(self, ID_CopyBtn, " Copy "), 1, wx.EXPAND|wx.ALL, 2)
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hsz.Add(wx.Button(self, ID_PasteBtn, " Paste "), 1, wx.EXPAND|wx.ALL, 2)
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sizer.Add(hsz, 0, wx.EXPAND)
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sizer.Add(
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wx.Button(self, ID_BitmapBtn, " Copy Bitmap "),
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0, wx.EXPAND|wx.ALL, 2
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)
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self.Bind(wx.EVT_BUTTON, self.OnCopy, id=ID_CopyBtn)
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self.Bind(wx.EVT_BUTTON, self.OnPaste, id=ID_PasteBtn)
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self.Bind(wx.EVT_BUTTON, self.OnCopyBitmap, id=ID_BitmapBtn)
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self.SetAutoLayout(True)
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self.SetSizer(sizer)
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def OnCopy(self, evt):
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self.do = wx.TextDataObject()
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self.do.SetText(self.text.GetValue())
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wx.TheClipboard.Open()
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wx.TheClipboard.SetData(self.do)
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wx.TheClipboard.Close()
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def OnPaste(self, evt):
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do = wx.TextDataObject()
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wx.TheClipboard.Open()
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success = wx.TheClipboard.GetData(do)
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wx.TheClipboard.Close()
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if success:
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self.text.SetValue(do.GetText())
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else:
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wx.MessageBox(
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"There is no data in the clipboard in the required format",
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"Error"
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)
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def OnCopyBitmap(self, evt):
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dlg = wx.FileDialog(self, "Choose a bitmap to copy", wildcard="*.bmp")
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if dlg.ShowModal() == wx.ID_OK:
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bmp = wx.Bitmap(dlg.GetPath(), wx.BITMAP_TYPE_BMP)
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bmpdo = wx.BitmapDataObject(bmp)
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wx.TheClipboard.Open()
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wx.TheClipboard.SetData(bmpdo)
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wx.TheClipboard.Close()
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wx.MessageBox(
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"The bitmap is now in the Clipboard. Switch to a graphics\n"
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"editor and try pasting it in..."
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)
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dlg.Destroy()
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#----------------------------------------------------------------------
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class OtherDropTarget(wx.PyDropTarget):
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def __init__(self, window, log):
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wx.PyDropTarget.__init__(self)
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self.log = log
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self.do = wx.FileDataObject()
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self.SetDataObject(self.do)
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def OnEnter(self, x, y, d):
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self.log.WriteText("OnEnter: %d, %d, %d\n" % (x, y, d))
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return wx.DragCopy
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#def OnDragOver(self, x, y, d):
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# self.log.WriteText("OnDragOver: %d, %d, %d\n" % (x, y, d))
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# return wx.DragCopy
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def OnLeave(self):
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self.log.WriteText("OnLeave\n")
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def OnDrop(self, x, y):
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self.log.WriteText("OnDrop: %d %d\n" % (x, y))
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return True
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def OnData(self, x, y, d):
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self.log.WriteText("OnData: %d, %d, %d\n" % (x, y, d))
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self.GetData()
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self.log.WriteText("%s\n" % self.do.GetFilenames())
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return d
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class MyFileDropTarget(wx.FileDropTarget):
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def __init__(self, window, log):
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wx.FileDropTarget.__init__(self)
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self.window = window
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self.log = log
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def OnDropFiles(self, x, y, filenames):
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self.window.SetInsertionPointEnd()
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self.window.WriteText("\n%d file(s) dropped at %d,%d:\n" %
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(len(filenames), x, y))
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for file in filenames:
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self.window.WriteText(file + '\n')
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class MyTextDropTarget(wx.TextDropTarget):
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def __init__(self, window, log):
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wx.TextDropTarget.__init__(self)
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self.window = window
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self.log = log
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def OnDropText(self, x, y, text):
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self.window.WriteText("(%d, %d)\n%s\n" % (x, y, text))
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def OnDragOver(self, x, y, d):
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return wx.DragCopy
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class FileDropPanel(wx.Panel):
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def __init__(self, parent, log):
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wx.Panel.__init__(self, parent, -1)
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#self.SetFont(wx.Font(10, wx.SWISS, wx.NORMAL, wx.BOLD, False))
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sizer = wx.BoxSizer(wx.VERTICAL)
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sizer.Add(
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wx.StaticText(self, -1, " \nDrag some files here:"),
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0, wx.EXPAND|wx.ALL, 2
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)
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self.text = wx.TextCtrl(
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self, -1, "",
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style = wx.TE_MULTILINE|wx.HSCROLL|wx.TE_READONLY
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)
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dt = MyFileDropTarget(self, log)
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self.text.SetDropTarget(dt)
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sizer.Add(self.text, 1, wx.EXPAND)
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sizer.Add(
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wx.StaticText(self, -1, " \nDrag some text here:"),
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0, wx.EXPAND|wx.ALL, 2
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)
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self.text2 = wx.TextCtrl(
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self, -1, "",
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style = wx.TE_MULTILINE|wx.HSCROLL|wx.TE_READONLY
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)
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dt = MyTextDropTarget(self.text2, log)
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self.text2.SetDropTarget(dt)
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sizer.Add(self.text2, 1, wx.EXPAND)
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self.SetAutoLayout(True)
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self.SetSizer(sizer)
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def WriteText(self, text):
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self.text.WriteText(text)
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def SetInsertionPointEnd(self):
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self.text.SetInsertionPointEnd()
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#----------------------------------------------------------------------
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#----------------------------------------------------------------------
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class TestPanel(wx.Panel):
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def __init__(self, parent, log):
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wx.Panel.__init__(self, parent, -1)
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self.SetAutoLayout(True)
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outsideSizer = wx.BoxSizer(wx.VERTICAL)
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msg = "Clipboard / Drag-And-Drop"
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text = wx.StaticText(self, -1, "", style=wx.ALIGN_CENTRE)
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text.SetFont(wx.Font(24, wx.SWISS, wx.NORMAL, wx.BOLD, False))
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text.SetLabel(msg)
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w,h = text.GetTextExtent(msg)
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text.SetSize(wx.Size(w,h+1))
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text.SetForegroundColour(wx.BLUE)
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outsideSizer.Add(text, 0, wx.EXPAND|wx.ALL, 5)
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outsideSizer.Add(wx.StaticLine(self, -1), 0, wx.EXPAND)
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inSizer = wx.BoxSizer(wx.HORIZONTAL)
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inSizer.Add(ClipTextPanel(self, log), 1, wx.EXPAND)
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inSizer.Add(FileDropPanel(self, log), 1, wx.EXPAND)
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outsideSizer.Add(inSizer, 1, wx.EXPAND)
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self.SetSizer(outsideSizer)
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#----------------------------------------------------------------------
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def runTest(frame, nb, log):
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win = TestPanel(nb, log)
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return win
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#----------------------------------------------------------------------
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overview = """\
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<html>
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<body>
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This demo shows some examples of data transfer through clipboard or
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drag and drop. In wxWindows, these two ways to transfer data (either
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between different applications or inside one and the same) are very
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similar which allows to implement both of them using almost the same
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code - or, in other words, if you implement drag and drop support for
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your application, you get clipboard support for free and vice versa.
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<p>
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At the heart of both clipboard and drag and drop operations lies the
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wxDataObject class. The objects of this class (or, to be precise,
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classes derived from it) represent the data which is being carried by
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the mouse during drag and drop operation or copied to or pasted from
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the clipboard. wxDataObject is a "smart" piece of data because it
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knows which formats it supports (see GetFormatCount and GetAllFormats)
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and knows how to render itself in any of them (see GetDataHere). It
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can also receive its value from the outside in a format it supports if
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it implements the SetData method. Please see the documentation of this
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class for more details.
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<p>
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Both clipboard and drag and drop operations have two sides: the source
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and target, the data provider and the data receiver. These which may
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be in the same application and even the same window when, for example,
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you drag some text from one position to another in a word
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processor. Let us describe what each of them should do.
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</body>
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</html>
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"""
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if __name__ == '__main__':
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import sys,os
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import run
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run.main(['', os.path.basename(sys.argv[0])])
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