2003-08-08 17:32:52 -04:00
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2003-12-08 20:23:28 -05:00
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import wx
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2003-08-08 17:32:52 -04:00
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#----------------------------------------------------------------------
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2004-01-12 22:17:17 -05:00
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# The wx.VListBox is much like a regular wx.ListBox except you draw the
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2003-08-08 17:32:52 -04:00
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# items yourself and the items can vary in height.
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2003-12-08 20:23:28 -05:00
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class MyVListBox(wx.VListBox):
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# This method must be overridden. When called it should draw the
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# n'th item on the dc within the rect. How it is drawn, and what
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# is drawn is entirely up to you.
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def OnDrawItem(self, dc, rect, n):
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if self.GetSelection() == n:
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c = wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT)
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else:
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c = self.GetForegroundColour()
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dc.SetFont(self.GetFont())
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dc.SetTextForeground(c)
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dc.DrawLabel(self._getItemText(n), rect,
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wx.ALIGN_LEFT | wx.ALIGN_CENTER_VERTICAL)
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# This method must be overridden. It should return the height
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# required to draw the n'th item.
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def OnMeasureItem(self, n):
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height = 0
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for line in self._getItemText(n).split('\n'):
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w, h = self.GetTextExtent(line)
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height += h
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return height + 5
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# These are also overridable:
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#
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# OnDrawSeparator(dc, rect, n)
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# Draw a separator between items. Note that rect may be reduced
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# in size if desired so OnDrawItem gets a smaller rect.
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#
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# OnDrawBackground(dc, rect, n)
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# Draw the background and maybe a border if desired.
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def _getItemText(self, item):
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if item % 2 == 0:
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return "This is item# %d" % item
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else:
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return "This is item# %d\n with an extra line" % item
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#----------------------------------------------------------------------
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2003-12-08 20:23:28 -05:00
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# The wx.HtmlListBox derives from wx.VListBox, but draws each item
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# itself as a wx.HtmlCell.
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class MyHtmlListBox(wx.HtmlListBox):
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def OnGetItem(self, n):
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if n % 2 == 0:
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return "This is item# <b>%d</b>" % n
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else:
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return "This is item# <b>%d</b> <br>Any <font color='RED'>HTML</font> is okay." % n
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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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self.log = log
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wx.Panel.__init__(self, parent, -1)
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spacer = 50
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vlb = MyVListBox(self, -1, size=(150, 250), style=wx.BORDER_SUNKEN)
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vlb.SetItemCount(50)
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vlb.SetSelection(0)
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vlb.SetFocus()
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vlbSizer = wx.BoxSizer(wx.VERTICAL)
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vlbSizer.Add((spacer, spacer))
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vlbSizer.Add(wx.StaticText(self, -1, "wx.VListBox"), 0, 5, wx.ALL)
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vlbSizer.Add(vlb)
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hlb = MyHtmlListBox(self, -1, size=(150, 250), style=wx.BORDER_SUNKEN)
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hlb.SetItemCount(50)
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hlb.SetSelection(0)
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hlbSizer = wx.BoxSizer(wx.VERTICAL)
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hlbSizer.Add((spacer, spacer))
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hlbSizer.Add(wx.StaticText(self, -1, "wx.HtmlListBox"), 0, 5, wx.ALL)
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hlbSizer.Add(hlb)
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sizer = wx.BoxSizer(wx.HORIZONTAL)
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sizer.Add((spacer, spacer))
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sizer.Add(vlbSizer)
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sizer.Add((spacer, spacer))
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sizer.Add((spacer, spacer))
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sizer.Add(hlbSizer)
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self.SetSizer(sizer)
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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 = """<html><body>
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<h2><center>wx.VListBox and wx.HtmlListBox</center></h2>
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<hr>
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The "V" in wxVListBox stands for both "virtual" because it can have an
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unlimited number of items since it doesn't store them itself, and
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"variable" since items can vary in height. It has much the same
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interface as wxListBox and also emits the same events so you can use
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the same EVT_LISTBOX function to connect a handler.
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<p>
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2004-01-12 22:17:17 -05:00
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The wx.HtmlListBox derives from wx.VListBox, but draws each item itself
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as a wx.HtmlCell. This means that you just need to provide a snippet
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of HTML for each item when requested.
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</body></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])] + sys.argv[1:])
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