7de7aed440
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14998 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
470 lines
16 KiB
C++
470 lines
16 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: keyboard.cpp
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// Purpose: Keyboard wxWindows sample
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 07.04.02
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// RCS-ID: $Id$
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// Copyright: (c) 2002 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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// For compilers that support precompilation, includes "wx/wx.h".
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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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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWindows headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
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long style = wxDEFAULT_FRAME_STYLE);
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~MyFrame() { delete m_logTarget; }
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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void OnClear(wxCommandEvent& event);
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void OnSkip(wxCommandEvent& event);
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void OnSize(wxSizeEvent& event);
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private:
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wxLog *m_logTarget;
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class TextWindow *m_winText;
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wxListBox *m_lboxLog;
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// A log target which just redirects the messages to a listbox
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class LboxLogger : public wxLog
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{
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public:
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LboxLogger(wxListBox *lbox, wxLog *logOld)
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{
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m_lbox = lbox;
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//m_lbox->Disable(); -- looks ugly under MSW
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m_logOld = logOld;
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}
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virtual ~LboxLogger()
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{
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wxLog::SetActiveTarget(m_logOld);
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}
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private:
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// implement sink functions
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virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t)
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{
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// don't put trace messages into listbox or we can get into infinite
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// recursion
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if ( level == wxLOG_Trace )
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{
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if ( m_logOld )
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{
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// cast is needed to call protected method
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((LboxLogger *)m_logOld)->DoLog(level, szString, t);
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}
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}
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else
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{
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wxLog::DoLog(level, szString, t);
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}
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}
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virtual void DoLogString(const wxChar *szString, time_t t)
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{
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wxString msg;
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TimeStamp(&msg);
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msg += szString;
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#ifdef __WXUNIVERSAL__
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m_lbox->AppendAndEnsureVisible(msg);
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#else // other ports don't have this method yet
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m_lbox->Append(msg);
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m_lbox->SetFirstItem(m_lbox->GetCount() - 1);
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#endif
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}
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// the control we use
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wxListBox *m_lbox;
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// the old log target
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wxLog *m_logOld;
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};
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class TextWindow : public wxWindow
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{
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public:
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TextWindow(wxWindow *parent)
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: wxWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
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wxRAISED_BORDER)
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{
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m_skip = TRUE;
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SetBackgroundColour(*wxBLUE);
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}
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void SetSkip(bool skip) { m_skip = skip; }
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protected:
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void OnKeyDown(wxKeyEvent& event) { LogEvent(_T("Key down"), event); }
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void OnKeyUp(wxKeyEvent& event) { LogEvent(_T("Key up"), event); }
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void OnChar(wxKeyEvent& event) { LogEvent(_T("Char"), event); }
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void OnPaint(wxPaintEvent& event)
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{
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wxPaintDC dc(this);
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dc.SetTextForeground(*wxWHITE);
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dc.DrawLabel(_T("Press keys here"), GetClientRect(), wxALIGN_CENTER);
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}
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private:
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static inline wxChar GetChar(bool on, wxChar c) { return on ? c : _T('-'); }
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void LogEvent(const wxChar *name, wxKeyEvent& event);
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bool m_skip;
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE(TextWindow, wxWindow)
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EVT_KEY_DOWN(TextWindow::OnKeyDown)
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EVT_KEY_UP(TextWindow::OnKeyUp)
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EVT_CHAR(TextWindow::OnChar)
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EVT_PAINT(TextWindow::OnPaint)
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END_EVENT_TABLE()
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Keyboard_Quit = 1,
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Keyboard_Clear,
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Keyboard_Skip,
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// it is important for the id corresponding to the "About" command to have
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// this standard value as otherwise it won't be handled properly under Mac
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// (where it is special and put into the "Apple" menu)
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Keyboard_About = wxID_ABOUT
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWindows
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWindows events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Keyboard_Quit, MyFrame::OnQuit)
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EVT_MENU(Keyboard_About, MyFrame::OnAbout)
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EVT_MENU(Keyboard_Clear, MyFrame::OnClear)
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EVT_MENU(Keyboard_Skip, MyFrame::OnSkip)
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EVT_SIZE(MyFrame::OnSize)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWindows to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also declares the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// 'Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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// create the main application window
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MyFrame *frame = new MyFrame(_T("Keyboard wxWindows App"),
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wxPoint(50, 50), wxSize(450, 340));
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(TRUE);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned FALSE here, the
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// application would exit immediately.
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size, long style)
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: wxFrame(NULL, -1, title, pos, size, style),
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m_winText(NULL)
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{
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#if wxUSE_MENUS
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// create a menu bar
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wxMenu *menuFile = new wxMenu;
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menuFile->Append(Keyboard_Clear, _T("&Clear log\tCtrl-L"));
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menuFile->AppendSeparator();
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menuFile->Append(Keyboard_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
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wxMenu *menuKeys = new wxMenu;
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menuKeys->AppendCheckItem(Keyboard_Skip, _T("&Skip key down\tCtrl-S"));
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// the "About" item should be in the help menu
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wxMenu *menuHelp = new wxMenu;
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menuHelp->Append(Keyboard_About, _T("&About...\tF1"), _T("Show about dialog"));
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(menuFile, _T("&File"));
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menuBar->Append(menuKeys, _T("&Keys"));
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menuBar->Append(menuHelp, _T("&Help"));
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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menuBar->Check(Keyboard_Skip, TRUE);
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#endif // wxUSE_MENUS
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m_winText = new TextWindow(this);
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m_lboxLog = new wxListBox(this, -1);
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m_logTarget = new LboxLogger(m_lboxLog, wxLog::GetActiveTarget());
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wxLog::SetActiveTarget(m_logTarget);
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#if wxUSE_STATUSBAR
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar(2);
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SetStatusText(_T("Welcome to wxWindows!"));
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#endif // wxUSE_STATUSBAR
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// TRUE is to force the frame to close
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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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wxString msg;
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msg.Printf( _T("This is the about dialog of keyboard sample.\n")
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_T("Welcome to %s"), wxVERSION_STRING);
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wxMessageBox(msg, _T("About Keyboard"), wxOK | wxICON_INFORMATION, this);
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}
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void MyFrame::OnClear(wxCommandEvent& event)
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{
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m_lboxLog->Clear();
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}
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void MyFrame::OnSkip(wxCommandEvent& event)
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{
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m_winText->SetSkip(event.IsChecked());
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}
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void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event))
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{
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if ( m_winText )
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{
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wxSize size = GetClientSize();
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m_winText->SetSize(0, 0, size.x, 50);
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m_lboxLog->SetSize(0, 51, size.x, size.y - 50);
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}
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}
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// ----------------------------------------------------------------------------
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// TextWindow
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// ----------------------------------------------------------------------------
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void TextWindow::LogEvent(const wxChar *name, wxKeyEvent& event)
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{
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wxString key;
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long keycode = event.KeyCode();
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{
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switch ( keycode )
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{
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case WXK_BACK: key = "BACK"; break;
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case WXK_TAB: key = "TAB"; break;
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case WXK_RETURN: key = "RETURN"; break;
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case WXK_ESCAPE: key = "ESCAPE"; break;
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case WXK_SPACE: key = "SPACE"; break;
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case WXK_DELETE: key = "DELETE"; break;
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case WXK_START: key = "START"; break;
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case WXK_LBUTTON: key = "LBUTTON"; break;
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case WXK_RBUTTON: key = "RBUTTON"; break;
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case WXK_CANCEL: key = "CANCEL"; break;
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case WXK_MBUTTON: key = "MBUTTON"; break;
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case WXK_CLEAR: key = "CLEAR"; break;
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case WXK_SHIFT: key = "SHIFT"; break;
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case WXK_ALT: key = "ALT"; break;
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case WXK_CONTROL: key = "CONTROL"; break;
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case WXK_MENU: key = "MENU"; break;
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case WXK_PAUSE: key = "PAUSE"; break;
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case WXK_CAPITAL: key = "CAPITAL"; break;
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case WXK_PRIOR: key = "PRIOR"; break;
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case WXK_NEXT: key = "NEXT"; break;
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case WXK_END: key = "END"; break;
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case WXK_HOME: key = "HOME"; break;
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case WXK_LEFT: key = "LEFT"; break;
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case WXK_UP: key = "UP"; break;
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case WXK_RIGHT: key = "RIGHT"; break;
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case WXK_DOWN: key = "DOWN"; break;
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case WXK_SELECT: key = "SELECT"; break;
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case WXK_PRINT: key = "PRINT"; break;
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case WXK_EXECUTE: key = "EXECUTE"; break;
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case WXK_SNAPSHOT: key = "SNAPSHOT"; break;
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case WXK_INSERT: key = "INSERT"; break;
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case WXK_HELP: key = "HELP"; break;
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case WXK_NUMPAD0: key = "NUMPAD0"; break;
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case WXK_NUMPAD1: key = "NUMPAD1"; break;
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case WXK_NUMPAD2: key = "NUMPAD2"; break;
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case WXK_NUMPAD3: key = "NUMPAD3"; break;
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case WXK_NUMPAD4: key = "NUMPAD4"; break;
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case WXK_NUMPAD5: key = "NUMPAD5"; break;
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case WXK_NUMPAD6: key = "NUMPAD6"; break;
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case WXK_NUMPAD7: key = "NUMPAD7"; break;
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case WXK_NUMPAD8: key = "NUMPAD8"; break;
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case WXK_NUMPAD9: key = "NUMPAD9"; break;
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case WXK_MULTIPLY: key = "MULTIPLY"; break;
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case WXK_ADD: key = "ADD"; break;
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case WXK_SEPARATOR: key = "SEPARATOR"; break;
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case WXK_SUBTRACT: key = "SUBTRACT"; break;
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case WXK_DECIMAL: key = "DECIMAL"; break;
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case WXK_DIVIDE: key = "DIVIDE"; break;
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case WXK_F1: key = "F1"; break;
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case WXK_F2: key = "F2"; break;
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case WXK_F3: key = "F3"; break;
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case WXK_F4: key = "F4"; break;
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case WXK_F5: key = "F5"; break;
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case WXK_F6: key = "F6"; break;
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case WXK_F7: key = "F7"; break;
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case WXK_F8: key = "F8"; break;
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case WXK_F9: key = "F9"; break;
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case WXK_F10: key = "F10"; break;
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case WXK_F11: key = "F11"; break;
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case WXK_F12: key = "F12"; break;
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case WXK_F13: key = "F13"; break;
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case WXK_F14: key = "F14"; break;
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case WXK_F15: key = "F15"; break;
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case WXK_F16: key = "F16"; break;
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case WXK_F17: key = "F17"; break;
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case WXK_F18: key = "F18"; break;
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case WXK_F19: key = "F19"; break;
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case WXK_F20: key = "F20"; break;
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case WXK_F21: key = "F21"; break;
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case WXK_F22: key = "F22"; break;
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case WXK_F23: key = "F23"; break;
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case WXK_F24: key = "F24"; break;
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case WXK_NUMLOCK: key = "NUMLOCK"; break;
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case WXK_SCROLL: key = "SCROLL"; break;
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case WXK_PAGEUP: key = "PAGEUP"; break;
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case WXK_PAGEDOWN: key = "PAGEDOWN"; break;
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case WXK_NUMPAD_SPACE: key = "NUMPAD_SPACE"; break;
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case WXK_NUMPAD_TAB: key = "NUMPAD_TAB"; break;
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case WXK_NUMPAD_ENTER: key = "NUMPAD_ENTER"; break;
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case WXK_NUMPAD_F1: key = "NUMPAD_F1"; break;
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case WXK_NUMPAD_F2: key = "NUMPAD_F2"; break;
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case WXK_NUMPAD_F3: key = "NUMPAD_F3"; break;
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case WXK_NUMPAD_F4: key = "NUMPAD_F4"; break;
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case WXK_NUMPAD_HOME: key = "NUMPAD_HOME"; break;
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case WXK_NUMPAD_LEFT: key = "NUMPAD_LEFT"; break;
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case WXK_NUMPAD_UP: key = "NUMPAD_UP"; break;
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case WXK_NUMPAD_RIGHT: key = "NUMPAD_RIGHT"; break;
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case WXK_NUMPAD_DOWN: key = "NUMPAD_DOWN"; break;
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case WXK_NUMPAD_PRIOR: key = "NUMPAD_PRIOR"; break;
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case WXK_NUMPAD_PAGEUP: key = "NUMPAD_PAGEUP"; break;
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case WXK_NUMPAD_PAGEDOWN: key = "NUMPAD_PAGEDOWN"; break;
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case WXK_NUMPAD_END: key = "NUMPAD_END"; break;
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case WXK_NUMPAD_BEGIN: key = "NUMPAD_BEGIN"; break;
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case WXK_NUMPAD_INSERT: key = "NUMPAD_INSERT"; break;
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case WXK_NUMPAD_DELETE: key = "NUMPAD_DELETE"; break;
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case WXK_NUMPAD_EQUAL: key = "NUMPAD_EQUAL"; break;
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case WXK_NUMPAD_MULTIPLY: key = "NUMPAD_MULTIPLY"; break;
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case WXK_NUMPAD_ADD: key = "NUMPAD_ADD"; break;
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case WXK_NUMPAD_SEPARATOR: key = "NUMPAD_SEPARATOR"; break;
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case WXK_NUMPAD_SUBTRACT: key = "NUMPAD_SUBTRACT"; break;
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case WXK_NUMPAD_DECIMAL: key = "NUMPAD_DECIMAL"; break;
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default:
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{
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if ( wxIsprint((int)keycode) )
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key.Printf(_T("'%c'"), (char)keycode);
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else if ( keycode > 0 && keycode < 27 )
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key.Printf(_("Ctrl-%c"), _T('A') + keycode - 1);
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else
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key.Printf(_T("unknown (%ld)"), keycode);
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}
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}
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}
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wxLogMessage( _T("%s event: %s (flags = %c%c%c%c)"),
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name,
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key.c_str(),
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GetChar( event.ControlDown(), _T('C') ),
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GetChar( event.AltDown(), _T('A') ),
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GetChar( event.ShiftDown(), _T('S') ),
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GetChar( event.MetaDown(), _T('M') ) );
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if ( m_skip )
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{
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event.Skip();
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}
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}
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