331 lines
8.8 KiB
C++
331 lines
8.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: taborder.cpp
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// Purpose: Sample for testing TAB navigation
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// Author: Vadim Zeitlin
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// Copyright: (c) 2007 Vadim Zeitlin
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#include "wx/frame.h"
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#include "wx/menu.h"
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#include "wx/sizer.h"
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#include "wx/panel.h"
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#include "wx/msgdlg.h"
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#include "wx/button.h"
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#include "wx/listbox.h"
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#include "wx/stattext.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/notebook.h"
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#ifndef wxHAS_IMAGES_IN_RESOURCES
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#include "../sample.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// menu commands and controls ids
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enum
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{
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// file menu
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TabOrder_Quit = wxID_EXIT,
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TabOrder_About = wxID_ABOUT,
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// navigation menu
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TabOrder_TabForward = 200,
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TabOrder_TabBackward,
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TabOrder_Max
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};
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// status panes: first one is for temporary messages, the second one shows
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// current focus
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enum
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{
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StatusPane_Default,
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StatusPane_Focus,
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StatusPane_Max
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};
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// ----------------------------------------------------------------------------
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// declarations of the classes used in this sample
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// ----------------------------------------------------------------------------
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// the main application class
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class MyApp : public wxApp
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{
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public:
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virtual bool OnInit();
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};
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// and the main sample window
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class MyFrame : public wxFrame
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{
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public:
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MyFrame();
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private:
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void OnAbout(wxCommandEvent& event);
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void OnQuit(wxCommandEvent& event);
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void OnTabForward(wxCommandEvent& event);
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void OnTabBackward(wxCommandEvent& event);
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void OnIdle(wxIdleEvent& event);
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void DoNavigate(int flags)
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{
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if ( m_panel->NavigateIn(flags) )
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{
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wxLogStatus(this, wxT("Navigation event processed"));
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}
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else
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{
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wxLogStatus(this, wxT("Navigation event ignored"));
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}
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}
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wxPanel *m_panel;
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wxDECLARE_EVENT_TABLE();
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};
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// and the panel taking up MyFrame client area
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class MyPanel : public wxPanel
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{
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public:
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MyPanel(wxWindow *parent);
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private:
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wxWindow *CreateButtonPage(wxWindow *parent);
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wxWindow *CreateTextPage(wxWindow *parent);
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};
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// a text control which checks if processing Tab presses in controls with
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// wxTE_PROCESS_TAB style really works
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class MyTabTextCtrl : public wxTextCtrl
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{
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public:
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MyTabTextCtrl(wxWindow *parent, const wxString& value, int flags = 0)
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: wxTextCtrl(parent, wxID_ANY, value,
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wxDefaultPosition, wxDefaultSize,
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flags)
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{
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Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(MyTabTextCtrl::OnKeyDown));
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}
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private:
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void OnKeyDown(wxKeyEvent& event)
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{
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if ( event.GetKeyCode() == WXK_TAB &&
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wxMessageBox
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(
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wxT("Let the Tab be used for navigation?"),
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wxT("wxWidgets TabOrder sample: Tab key pressed"),
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wxICON_QUESTION | wxYES_NO,
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this
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) != wxYES )
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{
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// skip Skip() below: we consume the Tab press ourselves and so the
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// focus shouldn't change
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return;
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}
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event.Skip();
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}
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};
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(MyApp)
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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MyFrame *frame = new MyFrame;
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frame->Show(true);
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return true;
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}
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// ----------------------------------------------------------------------------
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// MyFrame
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(TabOrder_Quit, MyFrame::OnQuit)
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EVT_MENU(TabOrder_About, MyFrame::OnAbout)
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EVT_MENU(TabOrder_TabForward, MyFrame::OnTabForward)
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EVT_MENU(TabOrder_TabBackward, MyFrame::OnTabBackward)
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EVT_IDLE(MyFrame::OnIdle)
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wxEND_EVENT_TABLE()
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MyFrame::MyFrame()
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: wxFrame(NULL, wxID_ANY, wxT("TabOrder wxWidgets Sample"),
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wxDefaultPosition, wxSize(700, 450))
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{
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SetIcon(wxICON(sample));
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wxMenu *menuFile = new wxMenu;
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menuFile->Append(TabOrder_About);
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menuFile->AppendSeparator();
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menuFile->Append(TabOrder_Quit);
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wxMenu *menuNav = new wxMenu;
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menuNav->Append(TabOrder_TabForward, wxT("Tab &forward\tCtrl-F"),
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wxT("Emulate a <Tab> press"));
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menuNav->Append(TabOrder_TabBackward, wxT("Tab &backward\tCtrl-B"),
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wxT("Emulate a <Shift-Tab> press"));
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wxMenuBar *mbar = new wxMenuBar;
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mbar->Append(menuFile, wxT("&File"));
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mbar->Append(menuNav, wxT("&Navigate"));
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SetMenuBar(mbar);
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m_panel = new MyPanel(this);
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CreateStatusBar(StatusPane_Max);
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}
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close(true);
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxMessageBox(wxT("Tab navigation sample\n(c) 2007 Vadim Zeitlin"),
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wxT("About TabOrder wxWidgets Sample"), wxOK, this);
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}
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void MyFrame::OnTabForward(wxCommandEvent& WXUNUSED(event))
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{
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DoNavigate(wxNavigationKeyEvent::IsForward | wxNavigationKeyEvent::FromTab);
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}
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void MyFrame::OnTabBackward(wxCommandEvent& WXUNUSED(event))
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{
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DoNavigate(wxNavigationKeyEvent::IsBackward | wxNavigationKeyEvent::FromTab);
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}
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void MyFrame::OnIdle( wxIdleEvent& WXUNUSED(event) )
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{
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// track the window which has the focus in the status bar
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static wxWindow *s_windowFocus = NULL;
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wxWindow *focus = wxWindow::FindFocus();
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if ( focus != s_windowFocus )
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{
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s_windowFocus = focus;
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wxString msg;
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if ( focus )
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{
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msg.Printf(wxT("Focus is at %s"), s_windowFocus->GetName().c_str());
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}
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else
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{
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msg = wxT("No focus");
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}
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SetStatusText(msg, StatusPane_Focus);
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}
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}
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// ----------------------------------------------------------------------------
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// MyPanel
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// ----------------------------------------------------------------------------
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MyPanel::MyPanel(wxWindow *parent)
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: wxPanel(parent, wxID_ANY)
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{
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wxNotebook *notebook = new wxNotebook(this, wxID_ANY);
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notebook->AddPage(CreateButtonPage(notebook), wxT("Button"));
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notebook->AddPage(CreateTextPage(notebook), wxT("Text"));
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wxSizer *sizerV = new wxBoxSizer(wxVERTICAL);
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sizerV->Add(notebook, wxSizerFlags(1).Expand());
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wxListBox *lbox = new wxListBox(this, wxID_ANY);
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lbox->AppendString(wxT("Just a"));
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lbox->AppendString(wxT("simple"));
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lbox->AppendString(wxT("listbox"));
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sizerV->Add(lbox, wxSizerFlags(1).Expand());
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SetSizerAndFit(sizerV);
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}
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wxWindow *MyPanel::CreateButtonPage(wxWindow *parent)
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{
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wxSizerFlags flagsBorder = wxSizerFlags().Border().Centre();
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wxPanel *page = new wxPanel(parent);
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wxSizer *sizerPage = new wxBoxSizer(wxHORIZONTAL);
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sizerPage->Add(new wxButton(page, wxID_ANY, wxT("&First")), flagsBorder);
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sizerPage->Add(new wxStaticText(page, wxID_ANY, wxT("[st&atic]")),
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flagsBorder);
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sizerPage->Add(new wxButton(page, wxID_ANY, wxT("&Second")), flagsBorder);
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page->SetSizer(sizerPage);
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return page;
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}
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wxWindow *MyPanel::CreateTextPage(wxWindow *parent)
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{
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wxSizerFlags flagsBorder = wxSizerFlags().Border();
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wxSizer *sizerPage = new wxBoxSizer(wxVERTICAL);
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wxPanel *page = new wxPanel(parent);
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wxSizer *sizerH = new wxBoxSizer(wxHORIZONTAL);
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sizerH->Add(new wxStaticText(page, wxID_ANY, wxT("&Label:")), flagsBorder);
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sizerH->Add(new MyTabTextCtrl(page, wxT("TAB ignored here")), flagsBorder);
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sizerPage->Add(sizerH, wxSizerFlags(1).Expand());
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sizerH = new wxBoxSizer(wxHORIZONTAL);
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sizerH->Add(new wxStaticText(page, wxID_ANY, wxT("&Another one:")),
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flagsBorder);
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sizerH->Add(new MyTabTextCtrl(page, wxT("press Tab here"), wxTE_PROCESS_TAB),
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flagsBorder);
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sizerPage->Add(sizerH, wxSizerFlags(1).Expand());
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page->SetSizer(sizerPage);
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return page;
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}
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