The wxPython tutorial

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Creating custom widgetshttp://www.zetcode.com/wxpython/customwidgets/Python IDEHome ContentsFaster, Easier Python Development Editor,Debugger, Browser, and moreFree Floor Plan SoftwareMake Floor Plans in Minutes See Examples.Free Download!Creating custom widgetsHave you ever looked at an application and wondered, how a particulargui item was created? Probably every wannabe programmer has. Thenyou were looking at a list of widgets provided by your favourite guilibrary. But you couldn't find it. Toolkits usually provide only the mostcommon widgets like buttons, text widgets, sliders etc. No toolkit canprovide all possible widgets.There are actually two kinds of toolkits. Spartan toolkits and heavyweight toolkits. The FLTK toolkit is a kind of a spartan toolkit. It providesonly the very basic widgets and assumes, that the programemer willcreate the more complicated ones himself. wxPython is a heavy weightone. It has lots of widgets. Yet it does not provide the more specializedwidgets. For example a speed meter widget, a widget that measures thecapacity of a CD to be burned (found e.g. in nero). Toolkits also don'thave usually charts.Programmers must create such widgets by themselves. They do it byusing the drawing tools provided by the toolkit. There are twopossibilities. A programmer can modify or enhance an existing widget. Orhe can create a custom widget from scratch.Here I assume, you have read the chapter on the GDI.A hyperlink widgetThe first example will create a hyperlink. The hyperlink widget will bebased on an existing wx.lib.stattext.GenStaticText widget.#!/usr/bin/python# link.pyimport wxfrom wx.lib.stattext import GenStaticTextimport webbrowserclass Link(GenStaticText):def __init__(self, parent, id=-1, label='', pos=(-1, -1),size=(-1, -1), style=0, name='Link', URL=''):GenStaticText.__init__(self, parent, id, label, pos, size, style, name)self.url = URL1 de 9 27/04/2008 1:07
Creating custom widgetshttp://www.zetcode.com/wxpython/customwidgets/self.font1 = wx.Font(9, wx.SWISS, wx.NORMAL, wx.BOLD, True, 'Verdana')self.font2 = wx.Font(9, wx.SWISS, wx.NORMAL, wx.BOLD, False, 'Verdana')self.SetFont(self.font2)self.SetForegroundColour('#0000ff')self.Bind(wx.EVT_MOUSE_EVENTS, self.OnMouseEvent)self.Bind(wx.EVT_MOTION, self.OnMouseEvent)def OnMouseEvent(self, event):if event.Moving():self.SetCursor(wx.StockCursor(wx.CURSOR_HAND))self.SetFont(self.font1)elif event.LeftUp():webbrowser.open_new(self.url)else:self.SetCursor(wx.NullCursor)self.SetFont(self.font2)event.Skip()class HyperLink(wx.Frame):def __init__(self, parent, id, title):wx.Frame.__init__(self, parent, id, title, size=(220, 150))panel = wx.Panel(self, -1)Link(panel, -1, 'ZetCode', pos=(10, 60), URL='http://www.zetcode.com')motto = GenStaticText(panel, -1, 'Knowledge only matters', pos=(10, 30))motto.SetFont(wx.Font(9, wx.SWISS, wx.NORMAL, wx.BOLD, False, 'Verdana'))self.Centre()self.Show(True)app = wx.App()HyperLink(None, -1, 'A Hyperlink')app.MainLoop()This hyperlink widget is based on an existing widget. In this example wedon't draw anything, we just use an existing widget, which we modify abit.from wx.lib.stattext import GenStaticTextimport webbrowserHere we import the base widget from which we derive our hyperlinkwidget and the webbrowser module. webbrowser module is a standardpython module. We will use it to open links in a default browser.self.SetFont(self.font2)self.SetForegroundColour('#0000ff')The idea behind creating a hyperlink widget is simple. We inherit from abase wx.lib.stattext.GenStaticText widget class. So we have a text2 de 9 27/04/2008 1:07
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The wxPython tutorialhttp://www.zet
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Introduction to wxPythonhttp://www.
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Menus and Toolbars in wxPythonhttp:
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Layout management in wxPythonhttp:/
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Events in wxPythonhttp://www.zetcod
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wxPython dialogshttp://www.zetcode.
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wxPython widgetshttp://www.zetcode.
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Advanced widgetshttp://www.zetcode.
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The Graphics Device Interfacehttp:/
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The Tetris game in wxPythonhttp://w
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