git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@851 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
998 lines
25 KiB
C++
998 lines
25 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: app.cpp
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// Purpose: wxApp
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "app.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if defined(__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/frame.h"
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#include "wx/app.h"
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#include "wx/utils.h"
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#include "wx/gdicmn.h"
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#include "wx/pen.h"
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#include "wx/brush.h"
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#include "wx/cursor.h"
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#include "wx/icon.h"
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#include "wx/palette.h"
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#include "wx/dc.h"
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#include "wx/dialog.h"
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#include "wx/msgdlg.h"
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#endif
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#include "wx/msw/private.h"
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#include "wx/log.h"
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#include "wx/module.h"
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#if wxUSE_WX_RESOURCES
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#include "wx/resource.h"
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#endif
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#include <string.h>
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#include <ctype.h>
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#if defined(__WIN95__) && !defined(__GNUWIN32__)
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#include <commctrl.h>
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#endif
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// use debug CRT functions for memory leak detections in VC++
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/* Here we go again commenting it out. PLEASE don't
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* uncomment this again.
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#if defined(__WXDEBUG__) && defined(_MSC_VER)
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// VC++ uses this macro as debug/release mode indicator
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#ifndef _DEBUG
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#define _DEBUG
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#endif
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#include <crtdbg.h>
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#endif
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*/
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extern char *wxBuffer;
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extern char *wxOsVersion;
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extern wxList *wxWinHandleList;
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extern wxList wxPendingDelete;
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extern void wxSetKeyboardHook(bool doIt);
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extern wxCursor *g_globalCursor;
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HINSTANCE wxhInstance = 0;
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static MSG s_currentMsg;
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wxApp *wxTheApp = NULL;
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// @@ why not const? and not static?
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char wxFrameClassName[] = "wxFrameClass";
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char wxMDIFrameClassName[] = "wxMDIFrameClass";
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char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
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char wxPanelClassName[] = "wxPanelClass";
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char wxCanvasClassName[] = "wxCanvasClass";
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HICON wxSTD_FRAME_ICON = NULL;
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HICON wxSTD_MDICHILDFRAME_ICON = NULL;
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HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
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HICON wxDEFAULT_FRAME_ICON = NULL;
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HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
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HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
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HBRUSH wxDisableButtonBrush = 0;
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LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
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BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
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EVT_IDLE(wxApp::OnIdle)
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EVT_END_SESSION(wxApp::OnEndSession)
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EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
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END_EVENT_TABLE()
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#endif
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long wxApp::sm_lastMessageTime = 0;
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#ifdef __WIN95__
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static HINSTANCE gs_hRichEdit = NULL;
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#endif
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//// Initialize
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bool wxApp::Initialize()
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{
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wxBuffer = new char[1500];
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/* PLEASE don't uncomment this again. IT DOESN'T WORK when building
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* using the makefile.
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#if defined(__WXDEBUG__) && defined(_MSC_VER)
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// do check for memory leaks on program exit
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// (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
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// deallocated memory which may be used to simulate low-memory condition)
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_CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
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#endif // debug build under MS VC++
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*/
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#if (WXDEBUG && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
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#if defined(_WINDLL)
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streambuf* sBuf = NULL;
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#else // EXE
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streambuf* sBuf = new wxDebugStreamBuf;
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#endif // DLL
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ostream* oStr = new ostream(sBuf) ;
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wxDebugContext::SetStream(oStr, sBuf);
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#endif // wxUSE_MEMORY_TRACING
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wxClassInfo::InitializeClasses();
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#if wxUSE_RESOURCES
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wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
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#endif
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wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
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wxTheColourDatabase->Initialize();
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wxInitializeStockLists();
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wxInitializeStockObjects();
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#if wxUSE_WX_RESOURCES
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wxInitializeResourceSystem();
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#endif
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wxBitmap::InitStandardHandlers();
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#if defined(__WIN95__)
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InitCommonControls();
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gs_hRichEdit = LoadLibrary("RICHED32.DLL");
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if (gs_hRichEdit == NULL)
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{
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wxMessageBox("Could not initialise Rich Edit DLL");
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}
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#endif
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#if defined(WX_DRAG_DROP)
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// we need to initialize OLE library
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if ( FAILED(::OleInitialize(NULL)) )
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wxFatalError(_("Cannot initialize OLE"));
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#endif
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#if CTL3D
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if (!Ctl3dRegister(wxhInstance))
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wxFatalError("Cannot register CTL3D");
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Ctl3dAutoSubclass(wxhInstance);
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#endif
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g_globalCursor = new wxCursor;
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wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME");
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wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME");
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wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME");
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wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME");
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wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME");
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wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME");
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RegisterWindowClasses();
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// Create the brush for disabling bitmap buttons
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LOGBRUSH lb ;
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lb.lbStyle = BS_PATTERN;
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lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
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wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
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::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
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#if wxUSE_PENWINDOWS
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wxRegisterPenWin();
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#endif
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wxWinHandleList = new wxList(wxKEY_INTEGER);
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// This is to foil optimizations in Visual C++ that
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// throw out dummy.obj.
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#if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
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extern char wxDummyChar;
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if (wxDummyChar) wxDummyChar++;
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#endif
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wxSetKeyboardHook(TRUE);
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wxModule::RegisterModules();
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if (!wxModule::InitializeModules())
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return FALSE;
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return TRUE;
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}
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//// RegisterWindowClasses
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bool wxApp::RegisterWindowClasses()
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{
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///////////////////////////////////////////////////////////////////////
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// Register the frame window class.
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WNDCLASS wndclass; // Structure used to register Windows class.
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wndclass.style = CS_HREDRAW | CS_VREDRAW;
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wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
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wndclass.cbClsExtra = 0;
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wndclass.cbWndExtra = sizeof( DWORD ); // was 4
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wndclass.hInstance = wxhInstance;
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wndclass.hIcon = NULL; // wxSTD_FRAME_ICON;
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wndclass.hCursor = LoadCursor( NULL, IDC_ARROW );
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wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
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// wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
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wndclass.lpszMenuName = NULL;
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#ifdef _MULTIPLE_INSTANCES
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sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
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#endif
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wndclass.lpszClassName = wxFrameClassName;
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if (!RegisterClass( &wndclass ))
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{
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// wxFatalError("Can't register Frame Window class");
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}
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///////////////////////////////////////////////////////////////////////
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// Register the MDI frame window class.
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WNDCLASS wndclass1; // Structure used to register Windows class.
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wndclass1.style = CS_HREDRAW | CS_VREDRAW;
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wndclass1.lpfnWndProc = (WNDPROC)wxWndProc;
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wndclass1.cbClsExtra = 0;
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wndclass1.cbWndExtra = sizeof( DWORD ); // was 4
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wndclass1.hInstance = wxhInstance;
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wndclass1.hIcon = NULL; // wxSTD_MDIPARENTFRAME_ICON;
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wndclass1.hCursor = LoadCursor( NULL, IDC_ARROW );
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// wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
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wndclass1.hbrBackground = NULL;
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wndclass1.lpszMenuName = NULL;
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wndclass1.lpszClassName = wxMDIFrameClassName;
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if (!RegisterClass( &wndclass1 ))
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{
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// wxFatalError("Can't register MDI Frame window class");
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// return FALSE;
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}
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///////////////////////////////////////////////////////////////////////
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// Register the MDI child frame window class.
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WNDCLASS wndclass4; // Structure used to register Windows class.
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wndclass4.style = CS_HREDRAW | CS_VREDRAW;
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wndclass4.lpfnWndProc = (WNDPROC)wxWndProc;
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wndclass4.cbClsExtra = 0;
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wndclass4.cbWndExtra = sizeof( DWORD ); // was 4
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wndclass4.hInstance = wxhInstance;
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wndclass4.hIcon = NULL; // wxSTD_MDICHILDFRAME_ICON;
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wndclass4.hCursor = LoadCursor( NULL, IDC_ARROW );
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// TODO: perhaps this should be NULL so that Windows doesn't
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// paint the background itself (would OnEraseBackground duplicate
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// this?)
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wndclass4.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
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// wndclass4.hbrBackground = NULL;
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wndclass4.lpszMenuName = NULL;
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wndclass4.lpszClassName = wxMDIChildFrameClassName;
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if (!RegisterClass( &wndclass4 ))
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{
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// wxFatalError("Can't register MDI child frame window class");
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// return FALSE;
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}
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///////////////////////////////////////////////////////////////////////
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// Register the panel window class.
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WNDCLASS wndclass2; // Structure used to register Windows class.
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memset(&wndclass2, 0, sizeof(WNDCLASS)); // start with NULL defaults
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// Use CS_OWNDC to avoid messing about restoring the context
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// for every graphic operation.
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wndclass2.style = CS_HREDRAW | CS_VREDRAW;
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wndclass2.lpfnWndProc = (WNDPROC)wxWndProc;
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wndclass2.cbClsExtra = 0;
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wndclass2.cbWndExtra = sizeof( DWORD ); // was 4
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wndclass2.hInstance = wxhInstance;
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wndclass2.hIcon = NULL;
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wndclass2.hCursor = NULL;
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// wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
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wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
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wndclass2.lpszMenuName = NULL;
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wndclass2.lpszClassName = wxPanelClassName;
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if (!RegisterClass( &wndclass2 ))
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{
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// wxFatalError("Can't register Panel Window class");
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// return FALSE;
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}
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///////////////////////////////////////////////////////////////////////
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// Register the canvas and textsubwindow class name
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WNDCLASS wndclass3; // Structure used to register Windows class.
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memset(&wndclass3, 0, sizeof(WNDCLASS)); // start with NULL defaults
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// Use CS_OWNDC to avoid messing about restoring the context
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// for every graphic operation.
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// wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
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// wxWin 2.0
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wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
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wndclass3.lpfnWndProc = (WNDPROC)wxWndProc;
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wndclass3.cbClsExtra = 0;
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wndclass3.cbWndExtra = sizeof( DWORD ); // was 4
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wndclass3.hInstance = wxhInstance;
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wndclass3.hIcon = NULL;
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wndclass3.hCursor = NULL;
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// wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
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wndclass3.hbrBackground = NULL;
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wndclass3.lpszMenuName = NULL;
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wndclass3.lpszClassName = wxCanvasClassName;
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if (!RegisterClass( &wndclass3))
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{
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// wxFatalError("Can't register Canvas class");
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// return FALSE;
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}
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return TRUE;
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}
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//// Convert Windows to argc, argv style
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void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
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{
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wxStringList args;
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wxString cmdLine(lpCmdLine);
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int count = 0;
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// Get application name
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char name[260]; // 260 is MAX_PATH value from windef.h
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::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
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// GNUWIN32 already fills in the first arg with the application name.
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#if !defined(__GNUWIN32__)
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args.Add(name);
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count ++;
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#endif
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strcpy(name, wxFileNameFromPath(name));
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wxStripExtension(name);
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wxTheApp->SetAppName(name);
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// Break up string
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// Treat strings enclosed in double-quotes as single arguments
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int i = 0;
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int len = cmdLine.Length();
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while (i < len)
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{
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// Skip whitespace
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while ((i < len) && isspace(cmdLine.GetChar(i)))
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i ++;
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if (i < len)
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{
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if (cmdLine.GetChar(i) == '"') // We found the start of a string
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{
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i ++;
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int first = i;
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while ((i < len) && (cmdLine.GetChar(i) != '"'))
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i ++;
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wxString arg(cmdLine.Mid(first, (i - first)));
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args.Add(arg);
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count ++;
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if (i < len)
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i ++; // Skip past 2nd quote
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}
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else // Unquoted argument
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{
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int first = i;
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while ((i < len) && !isspace(cmdLine.GetChar(i)))
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i ++;
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wxString arg(cmdLine.Mid(first, (i - first)));
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args.Add(arg);
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count ++;
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}
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}
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}
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wxTheApp->argv = new char*[count + 1];
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for (i = 0; i < count; i++)
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{
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wxString arg(args[i]);
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wxTheApp->argv[i] = copystring((const char*)arg);
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}
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wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
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wxTheApp->argc = count;
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}
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//// Cleans up any wxWindows internal structures left lying around
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void wxApp::CleanUp()
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{
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//// COMMON CLEANUP
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wxModule::CleanUpModules();
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#if wxUSE_WX_RESOURCES
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wxCleanUpResourceSystem();
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// wxDefaultResourceTable->ClearTable();
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#endif
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// Indicate that the cursor can be freed,
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// so that cursor won't be deleted by deleting
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// the bitmap list before g_globalCursor goes out
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// of scope (double deletion of the cursor).
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wxSetCursor(wxNullCursor);
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delete g_globalCursor;
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wxDeleteStockObjects() ;
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// Destroy all GDI lists, etc.
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wxDeleteStockLists();
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delete wxTheColourDatabase;
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wxTheColourDatabase = NULL;
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wxBitmap::CleanUpHandlers();
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delete[] wxBuffer;
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wxBuffer = NULL;
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//// WINDOWS-SPECIFIC CLEANUP
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wxSetKeyboardHook(FALSE);
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#ifdef __WIN95__
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if (gs_hRichEdit != NULL)
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FreeLibrary(gs_hRichEdit);
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#endif
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#if wxUSE_PENWINDOWS
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wxCleanUpPenWin();
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#endif
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if (wxSTD_FRAME_ICON)
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DestroyIcon(wxSTD_FRAME_ICON);
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if (wxSTD_MDICHILDFRAME_ICON)
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DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
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if (wxSTD_MDIPARENTFRAME_ICON)
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DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
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if (wxDEFAULT_FRAME_ICON)
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DestroyIcon(wxDEFAULT_FRAME_ICON);
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if (wxDEFAULT_MDICHILDFRAME_ICON)
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DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
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if (wxDEFAULT_MDIPARENTFRAME_ICON)
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DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
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if ( wxDisableButtonBrush )
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::DeleteObject( wxDisableButtonBrush ) ;
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#if defined(WX_DRAG_DROP)
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::OleUninitialize();
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#endif
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#if CTL3D
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Ctl3dUnregister(wxhInstance);
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#endif
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if (wxWinHandleList)
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delete wxWinHandleList ;
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wxClassInfo::CleanUpClasses();
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// do it as the very last thing because everything else can log messages
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wxLog::DontCreateOnDemand();
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delete wxLog::SetActiveTarget(NULL);
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}
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#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
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//// Main wxWindows entry point
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int wxEntry(WXHINSTANCE hInstance,
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WXHINSTANCE WXUNUSED(hPrevInstance),
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char *lpCmdLine,
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int nCmdShow,
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bool enterLoop)
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{
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#ifndef __WXDEBUG__ // take everything into a try-except block in release build
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try {
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#endif
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wxhInstance = (HINSTANCE) hInstance;
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if (!wxApp::Initialize())
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return 0;
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// create the application object or ensure that one already exists
|
|
if (!wxTheApp)
|
|
{
|
|
// The app may have declared a global application object, but we recommend
|
|
// the IMPLEMENT_APP macro is used instead, which sets an initializer
|
|
// function for delayed, dynamic app object construction.
|
|
wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
|
|
"No initializer - use IMPLEMENT_APP macro." );
|
|
|
|
wxTheApp = (*wxApp::GetInitializerFunction()) ();
|
|
}
|
|
|
|
wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
|
|
|
|
// save the WinMain() parameters
|
|
wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
|
|
wxTheApp->m_nCmdShow = nCmdShow;
|
|
|
|
// GUI-specific initialisation. In fact on Windows we don't have any,
|
|
// but this call is provided for compatibility across platforms.
|
|
wxTheApp->OnInitGui() ;
|
|
|
|
int retValue = 0;
|
|
|
|
if ( wxTheApp->OnInit() )
|
|
{
|
|
if ( enterLoop )
|
|
{
|
|
retValue = wxTheApp->OnRun();
|
|
}
|
|
}
|
|
//else: app initialization failed, so we skipped OnRun()
|
|
|
|
wxWindow *topWindow = wxTheApp->GetTopWindow();
|
|
if ( topWindow )
|
|
{
|
|
// Forcibly delete the window.
|
|
if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
|
|
topWindow->IsKindOf(CLASSINFO(wxDialog)) )
|
|
{
|
|
topWindow->Close(TRUE);
|
|
wxTheApp->DeletePendingObjects();
|
|
}
|
|
else
|
|
{
|
|
delete topWindow;
|
|
wxTheApp->SetTopWindow(NULL);
|
|
}
|
|
}
|
|
|
|
wxTheApp->OnExit();
|
|
wxApp::CleanUp();
|
|
|
|
delete wxTheApp;
|
|
wxTheApp = NULL;
|
|
|
|
#if (WXDEBUG && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
|
|
// At this point we want to check if there are any memory
|
|
// blocks that aren't part of the wxDebugContext itself,
|
|
// as a special case. Then when dumping we need to ignore
|
|
// wxDebugContext, too.
|
|
if (wxDebugContext::CountObjectsLeft() > 0)
|
|
{
|
|
wxTrace("There were memory leaks.\n");
|
|
wxDebugContext::Dump();
|
|
wxDebugContext::PrintStatistics();
|
|
}
|
|
wxDebugContext::SetStream(NULL, NULL);
|
|
#endif
|
|
|
|
return retValue;
|
|
#ifndef __WXDEBUG__ // catch exceptions only in release build
|
|
}
|
|
except ( EXCEPTION_EXECUTE_HANDLER ) {
|
|
/*
|
|
if ( wxTheApp )
|
|
wxTheApp->OnFatalException();
|
|
*/
|
|
|
|
::ExitProcess(3); // the same exit code as abort()
|
|
}
|
|
#endif //debug
|
|
}
|
|
|
|
#else /* _WINDLL */
|
|
|
|
//// Entry point for DLLs
|
|
|
|
int wxEntry(WXHINSTANCE hInstance)
|
|
{
|
|
wxhInstance = (HINSTANCE) hInstance;
|
|
wxApp::Initialize();
|
|
|
|
// The app may have declared a global application object, but we recommend
|
|
// the IMPLEMENT_APP macro is used instead, which sets an initializer function
|
|
// for delayed, dynamic app object construction.
|
|
|
|
if (!wxTheApp)
|
|
{
|
|
if (!wxApp::GetInitializerFunction())
|
|
{
|
|
MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
|
|
return 0;
|
|
}
|
|
|
|
wxTheApp = (* wxApp::GetInitializerFunction()) ();
|
|
}
|
|
|
|
if (!wxTheApp) {
|
|
MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
|
|
return 0;
|
|
}
|
|
|
|
wxTheApp->argc = 0;
|
|
wxTheApp->argv = NULL;
|
|
|
|
wxTheApp->OnInitGui();
|
|
|
|
wxTheApp->OnInit();
|
|
|
|
if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
|
|
wxTheApp->GetTopWindow()->Show(TRUE);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
#endif // _WINDLL
|
|
|
|
//// Static member initialization
|
|
|
|
wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
|
|
|
|
wxApp::wxApp()
|
|
{
|
|
m_topWindow = NULL;
|
|
wxTheApp = this;
|
|
m_className = "";
|
|
m_wantDebugOutput = TRUE ;
|
|
m_appName = "";
|
|
argc = 0;
|
|
argv = NULL;
|
|
#ifdef __WXMSW__
|
|
m_printMode = wxPRINT_WINDOWS;
|
|
#else
|
|
m_printMode = wxPRINT_POSTSCRIPT;
|
|
#endif
|
|
m_exitOnFrameDelete = TRUE;
|
|
m_auto3D = TRUE;
|
|
}
|
|
|
|
wxApp::~wxApp()
|
|
{
|
|
// Delete command-line args
|
|
int i;
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
delete[] argv[i];
|
|
}
|
|
delete[] argv;
|
|
}
|
|
|
|
bool wxApp::Initialized()
|
|
{
|
|
#ifndef _WINDLL
|
|
if (GetTopWindow())
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
#endif
|
|
#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
|
|
return TRUE;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Get and process a message, returning FALSE if WM_QUIT
|
|
* received.
|
|
*
|
|
*/
|
|
bool wxApp::DoMessage()
|
|
{
|
|
if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// Process the message
|
|
if (!ProcessMessage((WXMSG *)&s_currentMsg))
|
|
{
|
|
::TranslateMessage(&s_currentMsg);
|
|
wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
|
|
::DispatchMessage(&s_currentMsg);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Keep trying to process messages until WM_QUIT
|
|
* received.
|
|
*
|
|
* If there are messages to be processed, they will all be
|
|
* processed and OnIdle will not be called.
|
|
* When there are no more messages, OnIdle is called.
|
|
* If OnIdle requests more time,
|
|
* it will be repeatedly called so long as there are no pending messages.
|
|
* A 'feature' of this is that once OnIdle has decided that no more processing
|
|
* is required, then it won't get processing time until further messages
|
|
* are processed (it'll sit in DoMessage).
|
|
*/
|
|
|
|
int wxApp::MainLoop()
|
|
{
|
|
m_keepGoing = TRUE;
|
|
while (m_keepGoing)
|
|
{
|
|
while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
|
|
ProcessIdle()) {}
|
|
if (!DoMessage())
|
|
m_keepGoing = FALSE;
|
|
}
|
|
|
|
return s_currentMsg.wParam;
|
|
}
|
|
|
|
// Returns TRUE if more time is needed.
|
|
bool wxApp::ProcessIdle()
|
|
{
|
|
wxIdleEvent event;
|
|
event.SetEventObject(this);
|
|
ProcessEvent(event);
|
|
|
|
return event.MoreRequested();
|
|
}
|
|
|
|
void wxApp::ExitMainLoop()
|
|
{
|
|
m_keepGoing = FALSE;
|
|
}
|
|
|
|
bool wxApp::Pending()
|
|
{
|
|
return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
|
|
}
|
|
|
|
void wxApp::Dispatch()
|
|
{
|
|
if (!DoMessage())
|
|
m_keepGoing = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Give all windows a chance to preprocess
|
|
* the message. Some may have accelerator tables, or have
|
|
* MDI complications.
|
|
*/
|
|
bool wxApp::ProcessMessage(WXMSG *Msg)
|
|
{
|
|
MSG *msg = (MSG *)Msg;
|
|
|
|
HWND hWnd;
|
|
|
|
// Try translations first; find the youngest window with
|
|
// a translation table.
|
|
for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
|
|
{
|
|
wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
|
|
if (wnd)
|
|
{
|
|
if (wnd->MSWTranslateMessage(Msg))
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
// Anyone for a non-translation message? Try youngest descendants first.
|
|
for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
|
|
{
|
|
wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
|
|
if (wnd)
|
|
{
|
|
if (wnd->MSWProcessMessage(Msg))
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void wxApp::OnIdle(wxIdleEvent& event)
|
|
{
|
|
static bool inOnIdle = FALSE;
|
|
|
|
// Avoid recursion (via ProcessEvent default case)
|
|
if (inOnIdle)
|
|
return;
|
|
|
|
inOnIdle = TRUE;
|
|
|
|
// 'Garbage' collection of windows deleted with Close().
|
|
DeletePendingObjects();
|
|
|
|
// flush the logged messages if any
|
|
wxLog *pLog = wxLog::GetActiveTarget();
|
|
if ( pLog != NULL && pLog->HasPendingMessages() )
|
|
pLog->Flush();
|
|
|
|
// Send OnIdle events to all windows
|
|
bool needMore = SendIdleEvents();
|
|
// bool needMore = FALSE;
|
|
|
|
if (needMore)
|
|
event.RequestMore(TRUE);
|
|
|
|
inOnIdle = FALSE;
|
|
}
|
|
|
|
// Send idle event to all top-level windows
|
|
bool wxApp::SendIdleEvents()
|
|
{
|
|
bool needMore = FALSE;
|
|
wxNode* node = wxTopLevelWindows.First();
|
|
while (node)
|
|
{
|
|
wxWindow* win = (wxWindow*) node->Data();
|
|
if (SendIdleEvents(win))
|
|
needMore = TRUE;
|
|
|
|
node = node->Next();
|
|
}
|
|
return needMore;
|
|
}
|
|
|
|
// Send idle event to window and all subwindows
|
|
bool wxApp::SendIdleEvents(wxWindow* win)
|
|
{
|
|
bool needMore = FALSE;
|
|
|
|
wxIdleEvent event;
|
|
event.SetEventObject(win);
|
|
win->ProcessEvent(event);
|
|
|
|
if (event.MoreRequested())
|
|
needMore = TRUE;
|
|
|
|
wxNode* node = win->GetChildren()->First();
|
|
while (node)
|
|
{
|
|
wxWindow* win = (wxWindow*) node->Data();
|
|
if (SendIdleEvents(win))
|
|
needMore = TRUE;
|
|
|
|
node = node->Next();
|
|
}
|
|
return needMore ;
|
|
}
|
|
|
|
void wxApp::DeletePendingObjects()
|
|
{
|
|
wxNode *node = wxPendingDelete.First();
|
|
while (node)
|
|
{
|
|
wxObject *obj = (wxObject *)node->Data();
|
|
|
|
delete obj;
|
|
|
|
if (wxPendingDelete.Member(obj))
|
|
delete node;
|
|
|
|
// Deleting one object may have deleted other pending
|
|
// objects, so start from beginning of list again.
|
|
node = wxPendingDelete.First();
|
|
}
|
|
}
|
|
|
|
void wxApp::OnEndSession(wxCloseEvent& event)
|
|
{
|
|
if (GetTopWindow())
|
|
GetTopWindow()->Close(TRUE);
|
|
}
|
|
|
|
// Default behaviour: close the application with prompts. The
|
|
// user can veto the close, and therefore the end session.
|
|
void wxApp::OnQueryEndSession(wxCloseEvent& event)
|
|
{
|
|
if (GetTopWindow())
|
|
{
|
|
if (!GetTopWindow()->Close(!event.CanVeto()))
|
|
event.Veto(TRUE);
|
|
}
|
|
}
|
|
|
|
wxLog* wxApp::CreateLogTarget()
|
|
{
|
|
return new wxLogGui;
|
|
}
|
|
|
|
wxWindow* wxApp::GetTopWindow() const
|
|
{
|
|
if (m_topWindow)
|
|
return m_topWindow;
|
|
else if (wxTopLevelWindows.Number() > 0)
|
|
return (wxWindow*) wxTopLevelWindows.First()->Data();
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
int wxApp::GetComCtl32Version() const
|
|
{
|
|
// have we loaded COMCTL32 yet?
|
|
HMODULE theModule = ::GetModuleHandle("COMCTL32");
|
|
int version = 0;
|
|
|
|
// if so, then we can check for the version
|
|
if (theModule)
|
|
{
|
|
// InitCommonControlsEx is unique to 4.7 and later
|
|
FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
|
|
|
|
if (! theProc)
|
|
{ // not found, must be 4.00
|
|
version = 400;
|
|
}
|
|
else
|
|
{
|
|
// The following symbol are unique to 4.71
|
|
// DllInstall
|
|
// FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
|
|
// FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
|
|
// FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
|
|
// FlatSB_ShowScrollBar
|
|
// _DrawIndirectImageList _DuplicateImageList
|
|
// InitializeFlatSB
|
|
// UninitializeFlatSB
|
|
// we could check for any of these - I chose DllInstall
|
|
FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
|
|
if (! theProc)
|
|
{
|
|
// not found, must be 4.70
|
|
version = 470;
|
|
}
|
|
else
|
|
{ // found, must be 4.71
|
|
version = 471;
|
|
}
|
|
}
|
|
}
|
|
return version;
|
|
}
|
|
|
|
void wxExit()
|
|
{
|
|
wxApp::CleanUp();
|
|
FatalAppExit(0, "Fatal error: exiting");
|
|
}
|
|
|
|
// Yield to incoming messages
|
|
bool wxYield()
|
|
{
|
|
MSG msg;
|
|
// We want to go back to the main message loop
|
|
// if we see a WM_QUIT. (?)
|
|
while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
|
|
{
|
|
if (!wxTheApp->DoMessage())
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
HINSTANCE wxGetInstance()
|
|
{
|
|
return wxhInstance;
|
|
}
|
|
|
|
// For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
|
|
// if in a separate file. So include it here to ensure it's linked.
|
|
#if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
|
|
#include "main.cpp"
|
|
#endif
|