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