/////////////////////////////////////////////////////////////////////////////
// Name: app.cpp
// Purpose: wxApp
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/13/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "app.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/frame.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/gdicmn.h"
+ #include "wx/pen.h"
+ #include "wx/brush.h"
+ #include "wx/cursor.h"
+ #include "wx/icon.h"
+ #include "wx/palette.h"
+ #include "wx/dc.h"
+ #include "wx/dialog.h"
+ #include "wx/msgdlg.h"
+ #include "wx/intl.h"
+ #include "wx/dynarray.h"
+# include "wx/wxchar.h"
+# include "wx/icon.h"
#endif
-#include "wx/frame.h"
-#include "wx/app.h"
-#include "wx/utils.h"
-#include "wx/gdicmn.h"
-#include "wx/pen.h"
-#include "wx/brush.h"
-#include "wx/cursor.h"
-#include "wx/icon.h"
-#include "wx/palette.h"
-#include "wx/dc.h"
-#include "wx/dialog.h"
-#include "wx/msgdlg.h"
#include "wx/log.h"
#include "wx/module.h"
-#include "wx/memory.h"
+
+#include "wx/os2/private.h"
+
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+
+ // define the array of MSG strutures
+// TODO: WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+ #include "wx/arrimpl.cpp"
+
+// TODO: WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
#if wxUSE_WX_RESOURCES
-#include "wx/resource.h"
+ #include "wx/resource.h"
#endif
#include <string.h>
+#include <ctype.h>
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxChar *wxBuffer;
+extern wxChar *wxOsVersion;
+extern wxList *wxWinHandleList;
+extern wxList WXDLLEXPORT wxPendingDelete;
+#if wxUSE_THREADS
+extern wxList *wxPendingEvents;
+extern wxCriticalSection *wxPendingEventsLocker;
+#endif
+extern void wxSetKeyboardHook(bool doIt);
+extern wxCursor *g_globalCursor;
-extern char *wxBuffer;
-extern wxList wxPendingDelete;
-
+HINSTANCE wxhInstance = 0;
+// TODO: MSG s_currentMsg;
wxApp *wxTheApp = NULL;
+// FIXME why not const? and not static?
+
+// NB: all "NoRedraw" classes must have the same names as the "normal" classes
+// with NR suffix - wxWindow::MSWCreate() supposes this
+wxChar wxFrameClassName[] = wxT("wxFrameClass");
+wxChar wxFrameClassNameNoRedraw[] = wxT("wxFrameClassNR");
+wxChar wxMDIFrameClassName[] = wxT("wxMDIFrameClass");
+wxChar wxMDIFrameClassNameNoRedraw[] = wxT("wxMDIFrameClassNR");
+wxChar wxMDIChildFrameClassName[] = wxT("wxMDIChildFrameClass");
+wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR");
+wxChar wxPanelClassName[] = wxT("wxPanelClass");
+wxChar wxCanvasClassName[] = wxT("wxCanvasClass");
+
+HICON wxSTD_FRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
+
+MRESULT wxWndProc(HWND, UINT, MPARAM, MPARAM);
+
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// wxApp
+// ---------------------------------------------------------------------------
+
#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-#endif
+ IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-long wxApp::sm_lastMessageTime = 0;
+ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+ END_EVENT_TABLE()
+#endif
+//// Initialize
bool wxApp::Initialize()
{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
+ // Some people may wish to use this, but
+ // probably it shouldn't be here by default.
+#ifdef __WXDEBUG__
+ // wxRedirectIOToConsole();
#endif
- wxClassInfo::InitializeClasses();
+ wxBuffer = new wxChar[1500]; // FIXME
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ wxClassInfo::InitializeClasses();
- wxInitializeStockLists();
- wxInitializeStockObjects();
+#if wxUSE_RESOURCES
+ wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion);
+#endif
+
+ // I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ wxPendingEvents = new wxList();
+ wxPendingEventsLocker = new wxCriticalSection();
+#endif
+
+ wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+ wxTheColourDatabase->Initialize();
+
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
+ wxInitializeResourceSystem();
#endif
- wxBitmap::InitStandardHandlers();
+ wxBitmap::InitStandardHandlers();
+
+ g_globalCursor = new wxCursor;
+
+// TODO:
+/*
+ wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME"));
+ wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME"));
+ wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME"));
+
+ wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME"));
+ wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME"));
+ wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME"));
+*/
+ RegisterWindowClasses();
+
+ // Create the brush for disabling bitmap buttons
+// TODO:
+/*
+ LOGBRUSH lb;
+ lb.lbStyle = BS_PATTERN;
+ lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
+ if ( lb.lbHatch )
+ {
+ wxDisableButtonBrush = ::CreateBrushIndirect( & lb );
+ ::DeleteObject( (HGDIOBJ)lb.lbHatch );
+ }
+ */
+ //else: wxWindows resources are probably not linked in
+
+ wxWinHandleList = new wxList(wxKEY_INTEGER);
+
+ // This is to foil optimizations in Visual C++ that throw out dummy.obj.
+ // PLEASE DO NOT ALTER THIS.
+#if !defined(WXMAKINGDLL)
+ extern char wxDummyChar;
+ if (wxDummyChar) wxDummyChar++;
+#endif
+
+ wxSetKeyboardHook(TRUE);
+
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules())
+ return FALSE;
+ return TRUE;
+}
+
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+
+// TODO we should only register classes really used by the app. For this it
+// would be enough to just delay the class registration until an attempt
+// to create a window of this class is made.
+bool wxApp::RegisterWindowClasses()
+{
+// TODO:
+/*
+ WNDCLASS wndclass;
+
+ // for each class we register one with CS_(V|H)REDRAW style and one
+ // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
+ static const long styleNormal = 0; // TODO: CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
+ static const long styleNoRedraw = 0; // TODO: CS_DBLCLKS;
+
+ // the fields which are common to all classes
+ wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass.cbClsExtra = 0;
+ wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for?
+ wndclass.hInstance = wxhInstance;
+ wndclass.hIcon = (HICON) NULL;
+ wndclass.hCursor = 0; // TODO: ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
+ wndclass.lpszMenuName = NULL;
+
+ // Register the frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
+ wndclass.lpszClassName = wxFrameClassName;
+ wndclass.style = styleNormal;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(frame)");
+
+ return FALSE;
+ }
+
+ // "no redraw" frame
+ wndclass.lpszClassName = wxFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(no redraw frame)");
+
+ return FALSE;
+ }
+
+ // Register the MDI frame window class.
+ wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
+ wndclass.lpszClassName = wxMDIFrameClassName;
+ wndclass.style = styleNormal;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(MDI parent)");
+
+ return FALSE;
+ }
- wxModule::RegisterModules();
- wxASSERT( wxModule::InitializeModules() == TRUE );
+ // "no redraw" MDI frame
+ wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
- return TRUE;
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(no redraw MDI parent frame)");
+
+ return FALSE;
+ }
+
+ // Register the MDI child frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+ wndclass.lpszClassName = wxMDIChildFrameClassName;
+ wndclass.style = styleNormal;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(MDI child)");
+
+ return FALSE;
+ }
+
+ // "no redraw" MDI child frame
+ wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(no redraw MDI child)");
+
+ return FALSE;
+ }
+
+ // Register the panel window class.
+ wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
+ wndclass.lpszClassName = wxPanelClassName;
+ wndclass.style = styleNormal;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(panel)");
+
+ return FALSE;
+ }
+
+ // Register the canvas and textsubwindow class name
+ wndclass.hbrBackground = (HBRUSH)NULL;
+ wndclass.lpszClassName = wxCanvasClassName;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError("RegisterClass(canvas)");
+
+ return FALSE;
+ }
+*/
+ return TRUE;
}
+// ---------------------------------------------------------------------------
+// Convert Windows to argc, argv style
+// ---------------------------------------------------------------------------
+
+void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
+{
+ wxStringList args;
+
+ wxString cmdLine(lpCmdLine);
+ int count = 0;
+
+ // Get application name
+ wxChar name[260]; // 260 is MAX_PATH value from windef.h
+// TODO: ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
+
+ args.Add(name);
+ count++;
+
+ wxStrcpy(name, wxFileNameFromPath(name));
+ wxStripExtension(name);
+ wxTheApp->SetAppName(name);
+
+ // Break up string
+ // Treat strings enclosed in double-quotes as single arguments
+ int i = 0;
+ int len = cmdLine.Length();
+ while (i < len)
+ {
+ // Skip whitespace
+ while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
+ i ++;
+
+ if (i < len)
+ {
+ if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
+ {
+ i ++;
+ int first = i;
+ while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
+ i ++;
+
+ wxString arg(cmdLine.Mid(first, (i - first)));
+
+ args.Add(arg);
+ count ++;
+
+ if (i < len)
+ i ++; // Skip past 2nd quote
+ }
+ else // Unquoted argument
+ {
+ int first = i;
+ while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
+ i ++;
+
+ wxString arg(cmdLine.Mid(first, (i - first)));
+
+ args.Add(arg);
+ count ++;
+ }
+ }
+ }
+
+ wxTheApp->argv = new wxChar*[count + 1];
+ for (i = 0; i < count; i++)
+ {
+ wxString arg(args[i]);
+ wxTheApp->argv[i] = copystring((const wxChar*)arg);
+ }
+ wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
+ wxTheApp->argc = count;
+}
+
+//// Cleans up any wxWindows internal structures left lying around
+
void wxApp::CleanUp()
{
- wxModule::CleanUpModules();
+ //// COMMON CLEANUP
+
+#if wxUSE_LOG
+ // flush the logged messages if any and install a 'safer' log target: the
+ // default one (wxLogGui) can't be used after the resources are freed just
+ // below and the user suppliedo ne might be even more unsafe (using any
+ // wxWindows GUI function is unsafe starting from now)
+ wxLog::DontCreateOnDemand();
+
+ // this will flush the old messages if any
+ delete wxLog::SetActiveTarget(new wxLogStderr);
+#endif // wxUSE_LOG
+
+ // One last chance for pending objects to be cleaned up
+ wxTheApp->DeletePendingObjects();
+
+ wxModule::CleanUpModules();
#if wxUSE_WX_RESOURCES
- wxCleanUpResourceSystem();
-#endif
+ wxCleanUpResourceSystem();
- wxDeleteStockObjects() ;
+ // wxDefaultResourceTable->ClearTable();
+#endif
- // Destroy all GDI lists, etc.
+ // Indicate that the cursor can be freed, so that cursor won't be deleted
+ // by deleting the bitmap list before g_globalCursor goes out of scope
+ // (double deletion of the cursor).
+ wxSetCursor(wxNullCursor);
+ delete g_globalCursor;
+ g_globalCursor = NULL;
- delete wxTheBrushList;
- wxTheBrushList = NULL;
+ wxDeleteStockObjects();
- delete wxThePenList;
- wxThePenList = NULL;
+ // Destroy all GDI lists, etc.
+ wxDeleteStockLists();
- delete wxTheFontList;
- wxTheFontList = NULL;
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
- delete wxTheBitmapList;
- wxTheBitmapList = NULL;
+ wxBitmap::CleanUpHandlers();
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+ delete[] wxBuffer;
+ wxBuffer = NULL;
- wxBitmap::CleanUpHandlers();
+ //// WINDOWS-SPECIFIC CLEANUP
- delete[] wxBuffer;
- wxBuffer = NULL;
+ wxSetKeyboardHook(FALSE);
+// TODO:
+/*
+ if (wxSTD_FRAME_ICON)
+ DestroyIcon(wxSTD_FRAME_ICON);
+ if (wxSTD_MDICHILDFRAME_ICON)
+ DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
+ if (wxSTD_MDIPARENTFRAME_ICON)
+ DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
+
+ if (wxDEFAULT_FRAME_ICON)
+ DestroyIcon(wxDEFAULT_FRAME_ICON);
+ if (wxDEFAULT_MDICHILDFRAME_ICON)
+ DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
+ if (wxDEFAULT_MDIPARENTFRAME_ICON)
+ DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
+*/
+ if ( wxDisableButtonBrush )
+ {
+// TODO: ::DeleteObject( wxDisableButtonBrush );
+ }
+
+ if (wxWinHandleList)
+ delete wxWinHandleList;
+
+ // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ delete wxPendingEventsLocker;
+ // If we don't do the following, we get an apparent memory leak.
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif
- wxClassInfo::CleanUpClasses();
+ wxClassInfo::CleanUpClasses();
- delete wxTheApp;
- wxTheApp = NULL;
+ delete wxTheApp;
+ wxTheApp = NULL;
#if (defined(__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);
+ // 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(TRUE) > 0)
+ {
+ wxLogDebug(wxT("There were memory leaks."));
+ wxDebugContext::Dump();
+ wxDebugContext::PrintStatistics();
+ }
+ // wxDebugContext::SetStream(NULL, NULL);
#endif
- // do it as the very last thing because everything else can log messages
- wxLog::DontCreateOnDemand();
- // do it as the very last thing because everything else can log messages
- delete wxLog::SetActiveTarget(NULL);
+#if wxUSE_LOG
+ // do it as the very last thing because everything else can log messages
+ delete wxLog::SetActiveTarget(NULL);
+#endif // wxUSE_LOG
}
-int wxEntry( int argc, char *argv[] )
-{
- if (!wxApp::Initialize())
- return FALSE;
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
- {
- printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
- return 0;
- };
+#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
- wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
- };
+//// Main wxWindows entry point
+int wxEntry(WXHINSTANCE hInstance,
+ WXHINSTANCE WXUNUSED(hPrevInstance),
+ char *lpCmdLine,
+ int nCmdShow,
+ bool enterLoop)
+{
+ // do check for memory leaks on program exit
+ // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
+ // deallocated memory which may be used to simulate low-memory condition)
+// TODO: wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+
+ // take everything into a try-except block in release build
+ // FIXME other compilers must support Win32 SEH (structured exception
+ // handling) too, just find the appropriate keyword in their docs!
+ // Please note that it's _not_ the same as C++ exceptions!
+
+ wxhInstance = (HINSTANCE) hInstance;
+
+ if (!wxApp::Initialize())
+ return 0;
+
+ // 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,
+ wxT("No initializer - use IMPLEMENT_APP macro.") );
+
+ wxTheApp = (wxApp*)(*wxApp::GetInitializerFunction()) ();
+ }
+
+ wxCHECK_MSG( wxTheApp, 0, wxT("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
+ // We want to initialize, but not run or exit immediately.
+ return 1;
+ }
+ //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();
+
+ return retValue;
+}
- if (!wxTheApp)
- {
- printf( "wxWindows error: wxTheApp == NULL\n" );
- return 0;
- };
+#else /* _WINDLL */
- wxTheApp->argc = argc;
- wxTheApp->argv = argv;
+//// Entry point for DLLs
- // GUI-specific initialization, such as creating an app context.
- wxTheApp->OnInitGui();
+int wxEntry(WXHINSTANCE hInstance)
+{
+ wxhInstance = (HINSTANCE) hInstance;
+ wxApp::Initialize();
- // Here frames insert themselves automatically
- // into wxTopLevelWindows by getting created
- // in OnInit().
+ // 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)
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
+ "No initializer - use IMPLEMENT_APP macro." );
- if (!wxTheApp->OnInit()) return 0;
+ wxTheApp = (* wxApp::GetInitializerFunction()) ();
+ }
- int retValue = 0;
+ wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
- if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
+ wxTheApp->argc = 0;
+ wxTheApp->argv = NULL;
- if (wxTheApp->GetTopWindow())
- {
- delete wxTheApp->GetTopWindow();
- wxTheApp->SetTopWindow(NULL);
- }
+ wxTheApp->OnInitGui();
- wxTheApp->DeletePendingObjects();
+ wxTheApp->OnInit();
- wxTheApp->OnExit();
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if ( topWindow && topWindow->GetHWND())
+ {
+ topWindow->Show(TRUE);
+ }
- wxApp::CleanUp();
+ return 1;
+}
+#endif // _WINDLL
- return retValue;
-};
+//// Static member initialization
-// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_className = "";
- m_wantDebugOutput = TRUE ;
- m_appName = "";
- argc = 0;
- argv = NULL;
-#ifdef __WXPM__
- m_printMode = wxPRINT_WINDOWS;
-#else
- m_printMode = wxPRINT_POSTSCRIPT;
-#endif
- m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
+ m_topWindow = NULL;
+ wxTheApp = this;
+ m_wantDebugOutput = TRUE;
+
+ argc = 0;
+ argv = NULL;
+ m_printMode = wxPRINT_WINDOWS;
+ 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()
{
- if (GetTopWindow())
+#ifndef _WINDLL
+ if (GetTopWindow())
+ return TRUE;
+ else
+ return FALSE;
+#endif
+#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
return TRUE;
- else
- return FALSE;
+#endif
}
+/*
+ * Get and process a message, returning FALSE if WM_QUIT
+ * received (and also set the flag telling the app to exit the main loop)
+ *
+ */
+bool wxApp::DoMessage()
+{
+ BOOL rc = FALSE; // TODO: ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
+ if ( rc == 0 )
+ {
+ // got WM_QUIT
+ m_keepGoing = FALSE;
+
+ return FALSE;
+ }
+ else if ( rc == -1 )
+ {
+ // should never happen, but let's test for it nevertheless
+ wxLogLastError("GetMessage");
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ wxT("only the main thread can process Windows messages") );
+
+ static bool s_hadGuiLock = TRUE;
+// TODO:
+/*
+ static wxMsgArray s_aSavedMessages;
+
+ // if a secondary thread owns is doing GUI calls, save all messages for
+ // later processing - we can't process them right now because it will
+ // lead to recursive library calls (and we're not reentrant)
+ if ( !wxGuiOwnedByMainThread() )
+ {
+ s_hadGuiLock = FALSE;
+
+ // leave out WM_COMMAND messages: too dangerous, sometimes
+ // the message will be processed twice
+ if ( !wxIsWaitingForThread() ||
+ s_currentMsg.message != WM_COMMAND )
+ {
+ s_aSavedMessages.Add(s_currentMsg);
+ }
+
+ return TRUE;
+ }
+ else
+ {
+ // have we just regained the GUI lock? if so, post all of the saved
+ // messages
+ //
+ // FIXME of course, it's not _exactly_ the same as processing the
+ // messages normally - expect some things to break...
+ if ( !s_hadGuiLock )
+ {
+ s_hadGuiLock = TRUE;
+
+ size_t count = s_aSavedMessages.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ MSG& msg = s_aSavedMessages[n];
+
+ if ( !ProcessMessage((WXMSG *)&msg) )
+ {
+ ::TranslateMessage(&msg);
+ ::DispatchMessage(&msg);
+ }
+ }
+ s_aSavedMessages.Empty();
+ }
+ }
+*/
+#endif // wxUSE_THREADS
+
+ // Process the message
+// TODO:
+/*
+ if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
+ {
+ ::TranslateMessage(&s_currentMsg);
+ ::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;
-
-/* TODO: implement your main loop here, calling ProcessIdle in idle time.
- while (m_keepGoing)
- {
- while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle()) {}
- if (!DoMessage())
- m_keepGoing = FALSE;
- }
+ m_keepGoing = TRUE;
+
+ while ( m_keepGoing )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+// TODO:
+/*
+ while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
+ ProcessIdle() )
+ {
+ }
*/
- return 0;
+ DoMessage();
+ }
+
+// TODO: return s_currentMsg.wParam;
+ return FALSE;
}
// Returns TRUE if more time is needed.
return event.MoreRequested();
}
+#if wxUSE_THREADS
+void wxApp::ProcessPendingEvents()
+{
+ wxNode *node = wxPendingEvents->First();
+ wxCriticalSectionLocker locker(*wxPendingEventsLocker);
+
+ while (node)
+ {
+ wxEvtHandler *handler = (wxEvtHandler *)node->Data();
+
+ handler->ProcessPendingEvents();
+
+ delete node;
+ node = wxPendingEvents->First();
+ }
+}
+#endif
+
+
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ m_keepGoing = FALSE;
}
-// Is a message/event pending?
bool wxApp::Pending()
{
-/* TODO.
- */
- return FALSE;
+// TODO: return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0);
+ return FALSE;
}
-// Dispatch a message.
void wxApp::Dispatch()
{
-/* TODO.
- */
+ DoMessage();
}
-void wxApp::OnIdle(wxIdleEvent& event)
+/*
+ * Give all windows a chance to preprocess
+ * the message. Some may have accelerator tables, or have
+ * MDI complications.
+ */
+
+bool wxApp::ProcessMessage(WXMSG *wxmsg)
{
- static bool inOnIdle = FALSE;
+// TODO:
+/*
+ MSG *msg = (MSG *)wxmsg;
+ HWND hWnd = msg->hwnd;
+ wxWindow *wndThis = wxFindWinFromHandle((WXHWND)hWnd), *wnd;
+
+ // for some composite controls (like a combobox), wndThis might be NULL
+ // because the subcontrol is not a wxWindow, but only the control itself
+ // is - try to catch this case
+ while ( hWnd && !wndThis )
+ {
+ hWnd = 0; // TODO: ::GetParent(hWnd);
+ wndThis = wxFindWinFromHandle((WXHWND)hWnd);
+ }
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ // Try translations first; find the youngest window with
+ // a translation table.
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->OS2TranslateMessage(wxmsg) )
+ return TRUE;
+ }
- inOnIdle = TRUE;
+ // Anyone for a non-translation message? Try youngest descendants first.
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->OS2ProcessMessage(wxmsg) )
+ return TRUE;
+ }
+*/
+ return FALSE;
+}
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+void wxApp::OnIdle(wxIdleEvent& event)
+{
+ static bool s_inOnIdle = FALSE;
+
+ // Avoid recursion (via ProcessEvent default case)
+ if ( s_inOnIdle )
+ return;
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ s_inOnIdle = TRUE;
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
- if (needMore)
- event.RequestMore(TRUE);
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog *pLog = wxLog::GetActiveTarget();
+ if ( pLog != NULL && pLog->HasPendingMessages() )
+ pLog->Flush();
+#endif // wxUSE_LOG
- inOnIdle = FALSE;
+ // Send OnIdle events to all windows
+ if ( SendIdleEvents() )
+ {
+ // SendIdleEvents() returns TRUE if at least one window requested more
+ // idle events
+ event.RequestMore(TRUE);
+ }
+
+ // If they are pending events, we must process them.
+#if wxUSE_THREADS
+ ProcessPendingEvents();
+#endif
+ s_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))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
+ node = node->GetNext();
+ }
- node = node->Next();
- }
return needMore;
}
{
bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
if (event.MoreRequested())
needMore = TRUE;
- wxNode* node = win->GetChildren().First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
- return needMore ;
+ node = node->Next();
+ }
+ return needMore;
}
void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
+ wxNode *node = wxPendingDelete.First();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->Data();
- delete obj;
+ delete obj;
- if (wxPendingDelete.Member(obj))
- delete node;
+ 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();
- }
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.First();
+ }
}
-wxLog* wxApp::CreateLogTarget()
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
- return new wxLogGui;
+ if (GetTopWindow())
+ GetTopWindow()->Close(TRUE);
}
-wxWindow* wxApp::GetTopWindow() const
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
+ if (GetTopWindow())
+ {
+ if (!GetTopWindow()->Close(!event.CanVeto()))
+ event.Veto(TRUE);
+ }
+}
+
+int wxApp::GetComCtl32Version() const
+{
+ // TODO: Does OS/2 even need this method?
+ /*
+ // have we loaded COMCTL32 yet?
+ HMODULE theModule = ::GetModuleHandle(wxT("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;
+*/
+ return 0;
}
void wxExit()
{
- wxApp::CleanUp();
-/*
- * TODO: Exit in some platform-specific way. Not recommended that the app calls this:
- * only for emergencies.
- */
+ wxLogError(_("Fatal error: exiting"));
+
+ wxApp::CleanUp();
}
-// Yield to other processes
+// Yield to incoming messages
bool wxYield()
{
- /*
- * TODO
- */
- return TRUE;
+ // TODO:
+/*
+ MSG msg;
+ // We want to go back to the main message loop
+ // if we see a WM_QUIT. (?)
+#ifdef __WXWINE__
+ while (PeekMessage(&msg, (HWND)NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
+#else
+ while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
+#endif
+ {
+ if ( !wxTheApp->DoMessage() )
+ break;
+ }
+ // If they are pending events, we must process them.
+#if wxUSE_THREADS
+ wxTheApp->ProcessPendingEvents();
+#endif
+*/
+ return TRUE;
+}
+
+wxIcon wxApp::GetStdIcon(int which) const
+{
+ // TODO:
+ /*
+ switch(which)
+ {
+ case wxICON_INFORMATION:
+ return wxIcon("wxICON_INFO");
+
+ case wxICON_QUESTION:
+ return wxIcon("wxICON_QUESTION");
+
+ case wxICON_EXCLAMATION:
+ return wxIcon("wxICON_WARNING");
+
+ default:
+ wxFAIL_MSG(wxT("requested non existent standard icon"));
+ // still fall through
+
+ case wxICON_HAND:
+ return wxIcon("wxICON_ERROR");
+ }
+*/
+ return wxIcon("wxICON_ERROR");
+}
+
+
+HINSTANCE wxGetInstance()
+{
+ return wxhInstance;
+}
+
+void wxSetInstance(HINSTANCE hInst)
+{
+ wxhInstance = hInst;
}
+
projects / wxWidgets.git / commitdiff
