[C++知识库]27、wxWidgets小部件之wxToggleButton

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class TestToggleButton:public wxFrame
{
public:
? ? TestToggleButton(const wxString& title);
protected:
? ? void OnToggleRed(wxCommandEvent& event);
? ? void OnToggleGreen(wxCommandEvent& event);
? ? void OnToggleBlue(wxCommandEvent& event);

? ? wxColour* colour;
? ? wxPanel* pnColour;
? ? wxToggleButton* btnRed;
? ? wxToggleButton* btnGreen;
? ? wxToggleButton* btnBlue;
};

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TestToggleButton::TestToggleButton(const wxString& title)
? ? :wxFrame(NULL,-1,title)
{
? ? colour = new wxColour(0,0,0);

? ? btnRed = new wxToggleButton(this,-1,"Red");
? ? btnRed->Bind(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED,TestToggleButton::OnToggleRed,this);
? ? btnGreen = new wxToggleButton(this,-1,"Green");
? ? btnGreen->Bind(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED,TestToggleButton::OnToggleGreen,this);
? ? btnBlue = new wxToggleButton(this,-1,"Blue");
? ? btnBlue->Bind(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED,TestToggleButton::OnToggleBlue,this);

? ? wxBoxSizer* szLeft = new wxBoxSizer(wxVERTICAL);
? ? szLeft->Add(btnRed,1 ,wxALL|wxEXPAND ?,10);
? ? szLeft->Add(btnGreen,1 ,wxALL|wxEXPAND ,10);
? ? szLeft->Add(btnBlue,1 ,wxALL|wxEXPAND ,10);

? ? pnColour = new wxPanel(this,-1);
? ? wxBoxSizer* szRight = new wxBoxSizer(wxVERTICAL);
? ? szRight->Add(pnColour,1,wxEXPAND);

? ? wxBoxSizer* szMain = new wxBoxSizer(wxHORIZONTAL);
? ? szMain->Add(szLeft,1,wxEXPAND);
? ? szMain->Add(szRight,1,wxEXPAND);

? ? SetSizerAndFit(szMain);

? ? Centre();
}

void TestToggleButton::OnToggleRed(wxCommandEvent& event)
{
? ? colour->Set(colour->Red()?0:255,colour->Green(),colour->Blue());
? ? pnColour->SetBackgroundColour(colour->GetAsString());
? ? pnColour->Refresh();
}

void TestToggleButton::OnToggleGreen(wxCommandEvent& event)
{
? ? colour->Set(colour->Red(),colour->Green()? 0:255,colour->Blue());
? ? pnColour->SetBackgroundColour(colour->GetAsString());
? ? pnColour->Refresh();
}

void TestToggleButton::OnToggleBlue(wxCommandEvent& WXUNUSED(event))
{
? ? colour->Set(colour->Red(),colour->Green(),colour->Blue()?0:255);
? ? pnColour->SetBackgroundColour(colour->GetAsString());
? ? pnColour->Refresh();

}