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Commit	Line	Data
	1
	2	import wx
	3
	4	#----------------------------------------------------------------------
	5
	6	# The wx.VListBox is much like a regular wx.ListBox except you draw the
	7	# items yourself and the items can vary in height.
	8	class MyVListBox(wx.VListBox):
	9
	10	# This method must be overridden. When called it should draw the
	11	# n'th item on the dc within the rect. How it is drawn, and what
	12	# is drawn is entirely up to you.
	13	def OnDrawItem(self, dc, rect, n):
	14	if self.GetSelection() == n:
	15	c = wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT)
	16	else:
	17	c = self.GetForegroundColour()#wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT)
	18	dc.SetFont(self.GetFont())
	19	dc.SetTextForeground(c)
	20	dc.DrawLabel(self._getItemText(n), rect,
	21	wx.ALIGN_LEFT \| wx.ALIGN_CENTER_VERTICAL)
	22
	23	# This method must be overridden. It should return the height
	24	# required to draw the n'th item.
	25	def OnMeasureItem(self, n):
	26	height = 0
	27
	28	for line in self._getItemText(n).split('\n'):
	29	w, h = self.GetTextExtent(line)
	30	height += h
	31
	32	return height + 5
	33
	34
	35	# These are also overridable:
	36	#
	37	# OnDrawSeparator(dc, rect, n)
	38	# Draw a separator between items. Note that rect may be reduced
	39	# in size if desired so OnDrawItem gets a smaller rect.
	40	#
	41	# OnDrawBackground(dc, rect, n)
	42	# Draw the background and maybe a border if desired.
	43
	44
	45	def _getItemText(self, item):
	46	if item % 2 == 0:
	47	return "This is item# %d" % item
	48	else:
	49	return "This is item# %d\n with an extra line" % item
	50
	51	#----------------------------------------------------------------------
	52
	53	# The wx.HtmlListBox derives from wx.VListBox, but draws each item
	54	# itself as a wx.HtmlCell.
	55	class MyHtmlListBox(wx.HtmlListBox):
	56
	57	def OnGetItem(self, n):
	58	if n % 2 == 0:
	59	return "This is item# <b>%d</b>" % n
	60	else:
	61	return "This is item# <b>%d</b> <br>Any <font color='RED'>HTML</font> is okay." % n
	62
	63	#----------------------------------------------------------------------
	64
	65	class TestPanel(wx.Panel):
	66	def __init__(self, parent, log):
	67	self.log = log
	68	wx.Panel.__init__(self, parent, -1)
	69	spacer = 50
	70
	71	vlb = MyVListBox(self, -1, size=(150, 250), style=wx.BORDER_SUNKEN)
	72	vlb.SetItemCount(50)
	73	vlb.SetSelection(0)
	74	vlb.SetFocus()
	75	vlbSizer = wx.BoxSizer(wx.VERTICAL)
	76	vlbSizer.Add((spacer, spacer))
	77	vlbSizer.Add(wx.StaticText(self, -1, "wx.VListBox"), 0, 5, wx.ALL)
	78	vlbSizer.Add(vlb)
	79
	80	hlb = MyHtmlListBox(self, -1, size=(150, 250), style=wx.BORDER_SUNKEN)
	81	hlb.SetItemCount(50)
	82	hlb.SetSelection(0)
	83	hlbSizer = wx.BoxSizer(wx.VERTICAL)
	84	hlbSizer.Add((spacer, spacer))
	85	hlbSizer.Add(wx.StaticText(self, -1, "wx.HtmlListBox"), 0, 5, wx.ALL)
	86	hlbSizer.Add(hlb)
	87
	88	sizer = wx.BoxSizer(wx.HORIZONTAL)
	89	sizer.Add((spacer, spacer))
	90	sizer.Add(vlbSizer)
	91	sizer.Add((spacer, spacer))
	92	sizer.Add((spacer, spacer))
	93	sizer.Add(hlbSizer)
	94
	95	self.SetSizer(sizer)
	96
	97
	98	#----------------------------------------------------------------------
	99
	100	def runTest(frame, nb, log):
	101	win = TestPanel(nb, log)
	102	return win
	103
	104	#----------------------------------------------------------------------
	105
	106
	107
	108	overview = """<html><body>
	109	<h2><center>wx.VListBox and wx.HtmlListBox</center></h2>
	110	<hr>
	111
	112	The "V" in wxVListBox stands for both "virtual" because it can have an
	113	unlimited number of items since it doesn't store them itself, and
	114	"variable" since items can vary in height. It has much the same
	115	interface as wxListBox and also emits the same events so you can use
	116	the same EVT_LISTBOX function to connect a handler.
	117	<p>
	118
	119	The wx.HtmlListBox derives from wx.VListBox, but draws each item itself
	120	as a wx.HtmlCell. This means that you just need to provide a snippet
	121	of HTML for each item when requested.
	122
	123	</body></html>
	124	"""
	125
	126
	127
	128	if __name__ == '__main__':
	129	import sys,os
	130	import run
	131	run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
	132