X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8fc613f14f917aabe4bee20083f329b8fa298943..50ef256ed3e52defe91655da5e3f6a9e913c9e2a:/src/gtk1/app.cpp diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp index 78eef6efe3..c6fc8d44d9 100644 --- a/src/gtk1/app.cpp +++ b/src/gtk1/app.cpp @@ -30,13 +30,17 @@ #endif #include "unistd.h" -// add more here if you run into problems -#if defined(__SUN__) && !defined(__SunOs_5_6) && !defined(__SunOs_5_7) -extern "C" -{ -void usleep(unsigned long usec); -}; -#endif +// many versions of Unices have this function, but it is not defined in system +// headers - please add your system here if it is the case for your OS. +// SunOS < 5.6 (i.e. Solaris < 2.6) and DG-UX are like this. +#if (defined(__SUN__) && !defined(__SunOs_5_6) && \ + !defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \ + defined(__osf__) + extern "C" + { + void usleep(unsigned long usec); + }; +#endif // Unices without usleep() #include "glib.h" #include "gdk/gdk.h" @@ -133,12 +137,12 @@ extern void wxFlushResources(void); // global functions //----------------------------------------------------------------------------- -void wxExit(void) +void wxExit() { gtk_main_quit(); } -bool wxYield(void) +bool wxYield() { while (gtk_events_pending() > 0) gtk_main_iteration(); return TRUE; @@ -170,19 +174,19 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) wxApp::wxApp() { wxTheApp = this; - + m_topWindow = (wxWindow *) NULL; m_exitOnFrameDelete = TRUE; - + m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); - + m_colorCube = (unsigned char*) NULL; } -wxApp::~wxApp(void) +wxApp::~wxApp() { gtk_idle_remove( m_idleTag ); - + if (m_colorCube) free(m_colorCube); } @@ -192,7 +196,7 @@ bool wxApp::OnInitGui() GdkVisual *visual = gdk_visual_get_system(); if (visual->depth > 8) return TRUE; - + /* this initiates the standard palette as defined by GdkImlib in the GNOME libraries. it ensures that all GNOME applications use the same 64 colormap entries on 8-bit displays so you @@ -213,14 +217,14 @@ bool wxApp::OnInitGui() gdk_color_alloc( cmap, &col ); } - + gtk_widget_set_default_colormap( cmap ); */ - + /* initialize color cube for 8-bit color reduction dithering */ - + GdkColormap *cmap = gtk_widget_get_default_colormap(); - + m_colorCube = (unsigned char*)malloc(32 * 32 * 32); for (int r = 0; r < 32; r++) @@ -232,7 +236,7 @@ bool wxApp::OnInitGui() int rr = (r << 3) | (r >> 2); int gg = (g << 3) | (g >> 2); int bb = (b << 3) | (b >> 2); - + GdkColor *colors = cmap->colors; int max = 3 * (65536); int index = -1; @@ -245,17 +249,17 @@ bool wxApp::OnInitGui() int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); if (sum < max) { index = i; max = sum; } } - + m_colorCube[ (r*1024) + (g*32) + b ] = index; } } } - + return TRUE; } -bool wxApp::ProcessIdle(void) +bool wxApp::ProcessIdle() { wxIdleEvent event; event.SetEventObject( this ); @@ -291,7 +295,7 @@ void wxApp::OnIdle( wxIdleEvent &event ) inOnIdle = FALSE; } -bool wxApp::SendIdleEvents(void) +bool wxApp::SendIdleEvents() { bool needMore = FALSE; @@ -312,9 +316,9 @@ bool wxApp::SendIdleEvents( wxWindow* win ) wxIdleEvent event; event.SetEventObject(win); - + win->OnInternalIdle(); - + win->ProcessEvent(event); if (event.MoreRequested()) @@ -332,32 +336,32 @@ bool wxApp::SendIdleEvents( wxWindow* win ) return needMore ; } -int wxApp::MainLoop(void) +int wxApp::MainLoop() { gtk_main(); return 0; } -void wxApp::ExitMainLoop(void) +void wxApp::ExitMainLoop() { gtk_main_quit(); } -bool wxApp::Initialized(void) +bool wxApp::Initialized() { return m_initialized; } -bool wxApp::Pending(void) +bool wxApp::Pending() { return FALSE; } -void wxApp::Dispatch(void) +void wxApp::Dispatch() { } -void wxApp::DeletePendingObjects(void) +void wxApp::DeletePendingObjects() { wxNode *node = wxPendingDelete.First(); while (node) @@ -373,7 +377,7 @@ void wxApp::DeletePendingObjects(void) } } -wxWindow *wxApp::GetTopWindow(void) +wxWindow *wxApp::GetTopWindow() { if (m_topWindow) return m_topWindow; wxNode *node = wxTopLevelWindows.First(); @@ -386,14 +390,14 @@ void wxApp::SetTopWindow( wxWindow *win ) m_topWindow = win; } -bool wxApp::Initialize(void) +bool wxApp::Initialize() { wxBuffer = new char[BUFSIZ + 512]; wxClassInfo::InitializeClasses(); - + wxSystemSettings::Init(); - + /* wxTheFontNameDirectory = new wxFontNameDirectory; wxTheFontNameDirectory->Initialize(); @@ -407,7 +411,7 @@ bool wxApp::Initialize(void) #if wxUSE_WX_RESOURCES wxTheResourceCache = new wxResourceCache( wxKEY_STRING ); - + wxInitializeResourceSystem(); #endif @@ -415,34 +419,36 @@ bool wxApp::Initialize(void) /* no global cursor under X g_globalCursor = new wxCursor; */ - + wxModule::RegisterModules(); if (!wxModule::InitializeModules()) return FALSE; - + return TRUE; } -void wxApp::CleanUp(void) +void wxApp::CleanUp() { wxModule::CleanUpModules(); #if wxUSE_WX_RESOURCES wxFlushResources(); - if (wxTheResourceCache) delete wxTheResourceCache; + if (wxTheResourceCache) + delete wxTheResourceCache; wxTheResourceCache = (wxResourceCache*) NULL; - + wxCleanUpResourceSystem(); #endif - if (wxTheColourDatabase) delete wxTheColourDatabase; + if (wxTheColourDatabase) + delete wxTheColourDatabase; wxTheColourDatabase = (wxColourDatabase*) NULL; - + /* if (wxTheFontNameDirectory) delete wxTheFontNameDirectory; wxTheFontNameDirectory = (wxFontNameDirectory*) NULL; */ - + wxDeleteStockObjects(); wxDeleteStockLists(); @@ -453,12 +459,12 @@ void wxApp::CleanUp(void) wxTheApp = (wxApp*) NULL; wxSystemSettings::Done(); - + delete[] wxBuffer; wxClassInfo::CleanUpClasses(); - - /* check for memory leaks */ + + // check for memory leaks #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT if (wxDebugContext::CountObjectsLeft() > 0) { @@ -468,11 +474,12 @@ void wxApp::CleanUp(void) } #endif - /* do this as the very last thing because everything else can log messages */ + // do this as the very last thing because everything else can log messages wxLog::DontCreateOnDemand(); - + wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); - if (oldLog) delete oldLog; + if (oldLog) + delete oldLog; } wxLog *wxApp::CreateLogTarget() @@ -490,15 +497,13 @@ int wxEntry( int argc, char *argv[] ) gtk_init( &argc, &argv ); - if (!wxApp::Initialize()) return 0; + if (!wxApp::Initialize()) + return -1; if (!wxTheApp) { - if (!wxApp::GetInitializerFunction()) - { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - } + wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, + "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); @@ -507,11 +512,7 @@ int wxEntry( int argc, char *argv[] ) wxTheApp = (wxApp*) test_app; } - if (!wxTheApp) - { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; - } + wxCHECK_MSG( wxTheApp, -1, "wxWindows error: no application object" ); wxTheApp->argc = argc; wxTheApp->argv = argv; @@ -522,24 +523,27 @@ int wxEntry( int argc, char *argv[] ) wxStripExtension( name ); wxTheApp->SetAppName( name ); - if (!wxTheApp->OnInitGui()) return 0; + if (!wxTheApp->OnInitGui()) + return 0; /* Here frames insert themselves automatically * into wxTopLevelWindows by getting created * in OnInit(). */ - if (!wxTheApp->OnInit()) return 0; + if (!wxTheApp->OnInit()) + return 0; wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0); int retValue = 0; - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); + if (wxTheApp->Initialized()) + retValue = wxTheApp->OnRun(); wxWindow *topWindow = wxTheApp->GetTopWindow(); if (topWindow) { - /* Forcibly delete the window. */ + // Forcibly delete the window. if (topWindow->IsKindOf(CLASSINFO(wxFrame)) || topWindow->IsKindOf(CLASSINFO(wxDialog)) ) { @@ -555,11 +559,18 @@ int wxEntry( int argc, char *argv[] ) wxTheApp->OnExit(); - /* flush the logged messages if any */ + // flush the logged messages if any wxLog *log = wxLog::GetActiveTarget(); if (log != NULL && log->HasPendingMessages()) log->Flush(); + // continuing to use user defined log target is unsafe from now on because + // some resources may be already unavailable, so replace it by something + // more safe + wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr); + if ( oldlog ) + delete oldlog; + wxApp::CleanUp(); return retValue;