""" This test app is meant to help check if a widget has a good DoGetBestSize method (in C++) by allowing the user to dynamically create any non-toplevel widget which will be placed in a Sizer designed to show how the widget will be sized naturally. """ import wx import sys import os class LayoutTestFrame(wx.Frame): def __init__(self): wx.Frame.__init__(self, None, -1, "Widget Layout Tester") p = wx.Panel(self) # Create control widgets self.testHistory = wx.ListBox(p, -1, size=(150, 300)) self.moduleName = wx.TextCtrl(p, -1, "wx") self.className = wx.TextCtrl(p, -1, "") self.parameters = wx.TextCtrl(p, -1, "") self.postCreate = wx.TextCtrl(p, -1, "", size=(1,75), style=wx.TE_MULTILINE|wx.TE_DONTWRAP) self.expression = wx.TextCtrl(p, -1, "", style=wx.TE_READONLY) self.docstring = wx.TextCtrl(p, -1, "", size=(1,75), style=wx.TE_READONLY|wx.TE_MULTILINE|wx.TE_DONTWRAP) self.expression.SetBackgroundColour( wx.SystemSettings.GetColour(wx.SYS_COLOUR_INFOBK)) self.docstring.SetBackgroundColour( wx.SystemSettings.GetColour(wx.SYS_COLOUR_INFOBK)) addBtn = wx.Button(p, -1, "Add") remBtn = wx.Button(p, -1, "Remove") repBtn = wx.Button(p, -1, "Replace") createBtn = wx.Button(p, -1, " Create Widget ") createBtn.SetDefault() destroyBtn = wx.Button(p, -1, "Destroy Widget") clearBtn = wx.Button(p, -1, "Clear") self.createBtn = createBtn self.destroyBtn = destroyBtn bottomPanel = wx.Panel(p, style=wx.SUNKEN_BORDER, name="bottomPanel") bottomPanel.SetSizeHints((640,240)) bottomPanel.SetDefaultBackgroundColour("light blue") self.testPanel = wx.Panel(bottomPanel, name="testPanel") self.testPanel.SetDefaultBackgroundColour((205, 183, 181)) # mistyrose3 self.testWidget = None # setup event bindings self.Bind(wx.EVT_TEXT, self.OnUpdate, self.moduleName) self.Bind(wx.EVT_TEXT, self.OnUpdate, self.className) self.Bind(wx.EVT_TEXT, self.OnUpdate, self.parameters) self.Bind(wx.EVT_UPDATE_UI, self.OnEnableCreate, createBtn) self.Bind(wx.EVT_UPDATE_UI, self.OnEnableDestroy, destroyBtn) self.Bind(wx.EVT_BUTTON, self.OnCreateWidget, createBtn) self.Bind(wx.EVT_BUTTON, self.OnDestroyWidget, destroyBtn) self.Bind(wx.EVT_BUTTON, self.OnClear, clearBtn) self.Bind(wx.EVT_CLOSE, self.OnSaveHistory) self.Bind(wx.EVT_BUTTON, self.OnAddHistory, addBtn) self.Bind(wx.EVT_BUTTON, self.OnRemoveHistory, remBtn) self.Bind(wx.EVT_BUTTON, self.OnReplaceHistory, repBtn) self.Bind(wx.EVT_LISTBOX, self.OnHistorySelect, self.testHistory) self.Bind(wx.EVT_LISTBOX_DCLICK, self.OnHistoryActivate, self.testHistory) # setup the layout mainSizer = wx.BoxSizer(wx.VERTICAL) topSizer = wx.BoxSizer(wx.HORIZONTAL) ctlsSizer = wx.FlexGridSizer(2, 2, 5, 5) ctlsSizer.AddGrowableCol(1) btnSizer = wx.BoxSizer(wx.HORIZONTAL) topSizer.Add(self.testHistory, 0, wx.RIGHT, 30) ctlsSizer.Add((1,25)) ctlsSizer.Add((1,25)) ctlsSizer.Add(wx.StaticText(p, -1, "Module name:"), 0, wx.ALIGN_RIGHT|wx.ALIGN_CENTER_VERTICAL) mcSizer = wx.BoxSizer(wx.HORIZONTAL) mcSizer.Add(self.moduleName, 0, 0) mcSizer.Add(wx.StaticText(p, -1, "Class name:"), 0, wx.ALIGN_RIGHT|wx.ALIGN_CENTER_VERTICAL |wx.LEFT, 10) mcSizer.Add(self.className, 1, 0) ctlsSizer.Add(mcSizer, 0, wx.EXPAND) ctlsSizer.Add(wx.StaticText(p, -1, "Parameters:"), 0, wx.ALIGN_RIGHT|wx.ALIGN_CENTER_VERTICAL) ctlsSizer.Add(self.parameters, 0, wx.EXPAND) ctlsSizer.Add(wx.StaticText(p, -1, "Create Expr:"), 0, wx.ALIGN_RIGHT|wx.ALIGN_CENTER_VERTICAL) ctlsSizer.Add(self.expression, 0, wx.EXPAND) ctlsSizer.Add(wx.StaticText(p, -1, "Post create:"), 0, wx.ALIGN_RIGHT) ctlsSizer.Add(self.postCreate, 0, wx.EXPAND) ctlsSizer.Add(wx.StaticText(p, -1, "DocString:"), 0, wx.ALIGN_RIGHT) ctlsSizer.Add(self.docstring, 0, wx.EXPAND) ctlsSizer.AddGrowableRow(5) topSizer.Add(ctlsSizer, 1, wx.EXPAND) btnSizer.Add((5,5)) btnSizer.Add(addBtn, 0, wx.RIGHT, 5) btnSizer.Add(remBtn, 0, wx.RIGHT, 5) btnSizer.Add(repBtn, 0, wx.RIGHT, 5) btnSizer.Add((0,0), 1) btnSizer.Add(createBtn, 0, wx.RIGHT, 5) btnSizer.Add(destroyBtn, 0, wx.RIGHT, 5) btnSizer.Add(clearBtn, 0, wx.RIGHT, 5) btnSizer.Add((0,0), 1) mainSizer.Add(topSizer, 0, wx.EXPAND|wx.ALL, 10) mainSizer.Add(btnSizer, 0, wx.EXPAND) mainSizer.Add((10,10)) ##mainSizer.Add(wx.StaticLine(p, -1), 0, wx.EXPAND) mainSizer.Add(bottomPanel, 1, wx.EXPAND) self.bottomSizer = sz = wx.BoxSizer(wx.VERTICAL) sz.Add((0,0), 1) sz.Add(self.testPanel, 0, wx.ALIGN_CENTER) sz.Add((0,0), 1) bottomPanel.SetSizer(sz) p.SetSizerAndFit(mainSizer) self.Fit() self.PopulateHistory() def PopulateHistory(self): """ Load and eval a list of lists from a file, load the contents into self.testHistory """ fname = os.path.join(os.path.dirname(sys.argv[0]), 'widgetLayoutTest.cfg') try: self.history = eval(open(fname).read()) except: self.history = [] self.testHistory.Clear() for idx in range(len(self.history)): item = self.history[idx] # check if it is too short while len(item) < 4: item.append('') # add it to the listbox self.testHistory.Append(item[0] + '.' + item[1]) self.needSaved = False def OnSaveHistory(self, evt): if self.needSaved: fname = os.path.join(os.path.dirname(sys.argv[0]), 'widgetLayoutTest.cfg') f = open(fname, 'wb') f.write('[\n') for item in self.history: f.write(str(item) + ',\n') f.write(']\n') f.close() evt.Skip() def OnAddHistory(self, evt): moduleName = self.moduleName.GetValue() className = self.className.GetValue() parameters = self.parameters.GetValue() postCreate = self.postCreate.GetValue() item = [str(moduleName), str(className), str(parameters), str(postCreate)] self.history.append(item) self.testHistory.Append(item[0] + '.' + item[1]) self.testHistory.SetSelection(len(self.history)-1) self.needSaved = True def OnRemoveHistory(self, evt): idx = self.testHistory.GetSelection() if idx != wx.NOT_FOUND: del self.history[idx] self.testHistory.Delete(idx) self.needSaved = True self.OnClear(None) def OnReplaceHistory(self, evt): idx = self.testHistory.GetSelection() if idx != wx.NOT_FOUND: moduleName = self.moduleName.GetValue() className = self.className.GetValue() parameters = self.parameters.GetValue() postCreate = self.postCreate.GetValue() item = [str(moduleName), str(className), str(parameters), str(postCreate)] self.history[idx] = item self.testHistory.SetString(idx, item[0] + '.' + item[1]) self.needSaved = True def OnHistorySelect(self, evt): idx = self.testHistory.GetSelection() if idx != wx.NOT_FOUND: item = self.history[idx] self.moduleName.SetValue(item[0]) self.className.SetValue(item[1]) self.parameters.SetValue(item[2]) self.postCreate.SetValue(item[3]) def OnHistoryActivate(self, evt): btn = self.testHistory.GetParent().GetDefaultItem() if btn is not None: e = wx.CommandEvent(wx.wxEVT_COMMAND_BUTTON_CLICKED, btn.GetId()) btn.Command(e) def OnUpdate(self, evt): # get the details from the form moduleName = self.moduleName.GetValue() className = self.className.GetValue() parameters = self.parameters.GetValue() expr = "w = %s.%s( testPanel, %s )" % (moduleName, className, parameters) self.expression.SetValue(expr) docstring = "" try: docstring = eval("%s.%s.__init__.__doc__" % (moduleName, className)) except: pass self.docstring.SetValue(docstring) def OnEnableDestroy(self, evt): evt.Enable(self.testWidget is not None) def OnEnableCreate(self, evt): evt.Enable(self.testWidget is None) def OnCreateWidget(self, evt): if self.testWidget is not None: return testPanel = self.testPanel # get the details from the form moduleName = self.moduleName.GetValue() className = self.className.GetValue() parameters = self.parameters.GetValue() expr = self.expression.GetValue()[4:] postCreate = self.postCreate.GetValue() # make sure the module is imported already if not sys.modules.has_key(moduleName): try: m = __import__(moduleName) except importError: wx.MessageBox("Unable to import module!", "Error") return # create the widget try: w = eval(expr) except Exception, e: wx.MessageBox("Got a '%s' Exception!" % e.__class__.__name__, "Error") import traceback traceback.print_exc() return # Is there postCreate code? if postCreate: ns = {} ns.update(globals()) ns.update(locals()) try: exec postCreate in ns except Exception, e: wx.MessageBox("Got a '%s' Exception!" % e.__class__.__name__, "Error") import traceback traceback.print_exc() w.Destroy() return # Put the widget in a sizer and the sizer in the testPanel sizer = wx.BoxSizer(wx.VERTICAL) sizer.Add(w, 0, wx.ALL, 5) self.testPanel.SetSizer(sizer) self.testWidget = w self.bottomSizer.Layout() # make the destroy button be default now self.destroyBtn.SetDefault() if False: print 'w size', w.GetSize() print 'w minsize', w.GetMinSize() print 'w bestsize', w.GetBestSize() print 'w abstsize', w.GetAdjustedBestSize() tp = self.testPanel #print tp.GetSizer() print 'tp size', tp.GetSize() print 'tp minsize', tp.GetMinSize() print 'tp bestsize', tp.GetBestSize() print 'tp abstsize', tp.GetAdjustedBestSize() def OnDestroyWidget(self, evt): self.testWidget.Destroy() self.testWidget = None self.testPanel.SetSizer(None, True) self.testPanel.Refresh() # ensure the panel shrinks again self.testPanel.SetSizeHints((20,20)) self.bottomSizer.Layout() self.testPanel.SetSizeHints(wx.DefaultSize) # make the create button be default now self.createBtn.SetDefault() def OnClear(self, evt): self.moduleName.SetValue("") self.className.SetValue("") self.parameters.SetValue("") self.expression.SetValue("") self.docstring.SetValue("") self.postCreate.SetValue("") app = wx.PySimpleApp(redirect=True) frame = LayoutTestFrame() app.SetTopWindow(frame) frame.Show() app.MainLoop()