X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/184b5d99a5382cd7a19888c85aff11f8a21af2f6..c27eab7e9ce512e052046886a33c5f5002d42573:/src/gtk/app.cpp?ds=sidebyside diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 22643c5c5e..93459c373d 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -4,11 +4,11 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling, Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "app.h" + #pragma implementation "app.h" #endif #include "wx/app.h" @@ -19,10 +19,25 @@ #include "wx/memory.h" #include "wx/font.h" #include "wx/settings.h" -#include "wx/resource.h" +#include "wx/dialog.h" + +#if wxUSE_WX_RESOURCES + #include "wx/resource.h" +#endif + +#include "wx/module.h" +#include "wx/image.h" + +#include "wx/thread.h" #include "unistd.h" +#include +#include +#include + +#include "wx/gtk/win_gtk.h" + //----------------------------------------------------------------------------- // global data //----------------------------------------------------------------------------- @@ -31,6 +46,10 @@ wxApp *wxTheApp = (wxApp *) NULL; wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; extern wxList wxPendingDelete; +#if wxUSE_THREADS +extern wxList wxPendingEvents; +extern wxCriticalSection wxPendingEventsLocker; +#endif extern wxResourceCache *wxTheResourceCache; unsigned char g_palette[64*3] = @@ -83,12 +102,12 @@ unsigned char g_palette[64*3] = 0x75, 0x93, 0x4f, 0x91, 0xae, 0x64, 0xad, 0xc8, 0x7a, - 0xf0, 0xa8, 0xef, + 0xf0, 0xa8, 0xef, 0xd0, 0x88, 0xd0, 0xaf, 0x66, 0xaf, 0x8e, 0x44, 0x8e, 0x6d, 0x22, 0x6d, - 0x4b, 0x0, 0x4b, + 0x4b, 0x0, 0x4b, 0xff, 0xc0, 0xbc, 0xff, 0x93, 0x91, 0xff, 0x66, 0x67, @@ -111,15 +130,28 @@ extern void wxFlushResources(void); // global functions //----------------------------------------------------------------------------- -void wxExit(void) +void wxExit() { - gtk_main_quit(); + gtk_main_quit(); } -bool wxYield(void) +bool wxYield() { - while (gtk_events_pending() > 0) gtk_main_iteration(); - return TRUE; + // it's necessary to call ProcessIdle() to update the frames sizes which + // might have been changed (it also will update other things set from + // OnUpdateUI() which is a nice (and desired) side effect) + for ( wxNode *node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = ((wxWindow*)node->GetData()); + win->OnInternalIdle(); + } + + while (gtk_events_pending() > 0) + gtk_main_iteration(); + + return TRUE; } //----------------------------------------------------------------------------- @@ -134,88 +166,160 @@ END_EVENT_TABLE() gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { - if (wxTheApp) while (wxTheApp->ProcessIdle()) {} - usleep( 10000 ); - return TRUE; + if (wxTheApp) + { + while (wxTheApp->ProcessIdle()) + { + } + } + + wxMutexGuiLeave(); + wxUsleep(10); + wxMutexGuiEnter(); + + return TRUE; } wxApp::wxApp() { - m_idleTag = 0; - m_topWindow = (wxWindow *) NULL; - m_exitOnFrameDelete = TRUE; - wxTheApp = this; -} + wxTheApp = this; -wxApp::~wxApp(void) -{ - gtk_idle_remove( m_idleTag ); -} + m_topWindow = (wxWindow *) NULL; + m_exitOnFrameDelete = TRUE; -bool wxApp::OnInit(void) -{ - return TRUE; + m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + + m_colorCube = (unsigned char*) NULL; } -bool wxApp::OnInitGui(void) +wxApp::~wxApp() { - m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL ); - return TRUE; + gtk_idle_remove( m_idleTag ); + + if (m_colorCube) free(m_colorCube); } -int wxApp::OnRun(void) +bool wxApp::OnInitGui() { - return MainLoop(); + /* Nothing to do for 15, 16, 24, 32 bit displays */ + + 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 + can use several rather graphics-heavy applications at the + same time. + NOTE: this doesn't really seem to work this way... */ + + /* + GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE ); + + for (int i = 0; i < 64; i++) + { + GdkColor col; + col.red = g_palette[i*3 + 0] << 8; + col.green = g_palette[i*3 + 1] << 8; + col.blue = g_palette[i*3 + 2] << 8; + col.pixel = 0; + + 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++) + { + for (int g = 0; g < 32; g++) + { + for (int b = 0; b < 32; b++) + { + 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; + + for (int i = 0; i < cmap->size; i++) + { + int rdiff = ((rr << 8) - colors[i].red); + int gdiff = ((gg << 8)- colors[i].green); + int bdiff = ((bb << 8)- colors[i].blue); + 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 ); - ProcessEvent( event ); + wxIdleEvent event; + event.SetEventObject( this ); + ProcessEvent( event ); - return event.MoreRequested(); + return event.MoreRequested(); } void wxApp::OnIdle( wxIdleEvent &event ) { - static bool inOnIdle = FALSE; + static bool inOnIdle = FALSE; - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; + /* Avoid recursion (via ProcessEvent default case) */ + if (inOnIdle) + return; - inOnIdle = TRUE; + inOnIdle = TRUE; - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); + /* Resend in the main thread events which have been prepared in other + threads */ + ProcessPendingEvents(); - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + /* 'Garbage' collection of windows deleted with Close(). */ + DeletePendingObjects(); - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); + /* flush the logged messages if any */ + wxLog *log = wxLog::GetActiveTarget(); + if (log != NULL && log->HasPendingMessages()) + log->Flush(); - if (needMore) - event.RequestMore(TRUE); + /* Send OnIdle events to all windows */ + bool needMore = SendIdleEvents(); - inOnIdle = FALSE; + if (needMore) + event.RequestMore(TRUE); + + inOnIdle = FALSE; } -bool wxApp::SendIdleEvents(void) +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(); - } + wxNode* node = wxTopLevelWindows.First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + if (SendIdleEvents(win)) + needMore = TRUE; + node = node->Next(); + } return needMore; } @@ -223,264 +327,284 @@ bool wxApp::SendIdleEvents( wxWindow* win ) { bool needMore = FALSE; - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + wxIdleEvent event; + event.SetEventObject(win); + + win->OnInternalIdle(); + + win->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(); - } + node = node->Next(); + } return needMore ; } -int wxApp::OnExit(void) +int wxApp::MainLoop() { - return 0; + gtk_main(); + return 0; } -int wxApp::MainLoop(void) +void wxApp::ExitMainLoop() { - gtk_main(); - return 0; + gtk_main_quit(); } -void wxApp::ExitMainLoop(void) +bool wxApp::Initialized() { - gtk_main_quit(); + return m_initialized; } -bool wxApp::Initialized(void) +bool wxApp::Pending() { - return m_initialized; + return FALSE; } -bool wxApp::Pending(void) +void wxApp::Dispatch() { - return FALSE; } -void wxApp::Dispatch(void) +#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::DeletePendingObjects(void) +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; - node = wxPendingDelete.First(); - } + node = wxPendingDelete.First(); + } } -wxWindow *wxApp::GetTopWindow(void) +wxWindow *wxApp::GetTopWindow() { - if (m_topWindow) return m_topWindow; - wxNode *node = wxTopLevelWindows.First(); - if (!node) return (wxWindow *) NULL; - return (wxWindow*)node->Data(); + if (m_topWindow) return m_topWindow; + wxNode *node = wxTopLevelWindows.First(); + if (!node) return (wxWindow *) NULL; + return (wxWindow*)node->Data(); } void wxApp::SetTopWindow( wxWindow *win ) { - m_topWindow = win; + m_topWindow = win; } -void wxApp::CommonInit(void) +bool wxApp::Initialize() { + wxBuffer = new char[BUFSIZ + 512]; -/* -#if wxUSE_RESOURCES - (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion); -#endif -*/ - wxSystemSettings::Init(); - wxTheResourceCache = new wxResourceCache(wxKEY_STRING); - - wxTheFontNameDirectory = new wxFontNameDirectory; - wxTheFontNameDirectory->Initialize(); + wxClassInfo::InitializeClasses(); - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); + wxSystemSettings::Init(); - wxInitializeStockLists(); - wxInitializeStockObjects(); +/* + wxTheFontNameDirectory = new wxFontNameDirectory; + wxTheFontNameDirectory->Initialize(); +*/ - wxInitializeResourceSystem(); + wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING ); + wxTheColourDatabase->Initialize(); - wxImage::InitStandardHandlers(); - -// g_globalCursor = new wxCursor; -} + wxInitializeStockLists(); + wxInitializeStockObjects(); -void wxApp::CommonCleanUp(void) -{ - wxDELETE(wxTheColourDatabase); - wxDELETE(wxTheFontNameDirectory); - wxDeleteStockObjects(); +#if wxUSE_WX_RESOURCES + wxTheResourceCache = new wxResourceCache( wxKEY_STRING ); - wxFlushResources(); + wxInitializeResourceSystem(); +#endif - wxDELETE(wxTheResourceCache); + wxImage::InitStandardHandlers(); - wxDeleteStockLists(); + /* no global cursor under X + g_globalCursor = new wxCursor; */ - wxCleanUpResourceSystem(); - - wxImage::CleanUpHandlers(); + wxModule::RegisterModules(); + if (!wxModule::InitializeModules()) return FALSE; - wxSystemSettings::Done(); + return TRUE; } -wxLog *wxApp::CreateLogTarget() +void wxApp::CleanUp() { - return new wxLogGui; -} + wxModule::CleanUpModules(); -//----------------------------------------------------------------------------- -// wxEntry -//----------------------------------------------------------------------------- +#if wxUSE_WX_RESOURCES + wxFlushResources(); -int wxEntry( int argc, char *argv[] ) -{ - wxBuffer = new char[BUFSIZ + 512]; + if (wxTheResourceCache) + delete wxTheResourceCache; + wxTheResourceCache = (wxResourceCache*) NULL; - wxClassInfo::InitializeClasses(); + wxCleanUpResourceSystem(); +#endif - /* Debug stream no longer used -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + if (wxTheColourDatabase) + delete wxTheColourDatabase; + wxTheColourDatabase = (wxColourDatabase*) NULL; - streambuf* sBuf = new wxDebugStreamBuf; - ostream* oStr = new ostream(sBuf) ; - wxDebugContext::SetStream(oStr, sBuf); -#endif +/* + if (wxTheFontNameDirectory) delete wxTheFontNameDirectory; + wxTheFontNameDirectory = (wxFontNameDirectory*) NULL; */ - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) - { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - } + wxDeleteStockObjects(); - wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); + wxDeleteStockLists(); - wxObject *test_app = app_ini(); + wxImage::CleanUpHandlers(); - wxTheApp = (wxApp*) test_app; - } + delete wxTheApp; + wxTheApp = (wxApp*) NULL; - if (!wxTheApp) - { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; - } + wxSystemSettings::Done(); - wxTheApp->argc = argc; - wxTheApp->argv = argv; + delete[] wxBuffer; - char name[200]; - strcpy( name, argv[0] ); - strcpy( name, wxFileNameFromPath(name) ); - wxStripExtension( name ); - wxTheApp->SetAppName( name ); - - gtk_set_locale(); - - gtk_init( &argc, &argv ); + wxClassInfo::CleanUpClasses(); - GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE ); + // check for memory leaks +#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + if (wxDebugContext::CountObjectsLeft() > 0) + { + wxLogDebug("There were memory leaks.\n"); + wxDebugContext::Dump(); + wxDebugContext::PrintStatistics(); + } +#endif - for (int i = 0; i < 64; i++) - { - GdkColor col; - col.red = g_palette[i*3 + 0] << 8; - col.green = g_palette[i*3 + 1] << 8; - col.blue = g_palette[i*3 + 2] << 8; - col.pixel = 0; - - gdk_color_alloc( cmap, &col ); - } - - gtk_widget_push_colormap( cmap ); - - gtk_widget_set_default_colormap( cmap ); + // do this as the very last thing because everything else can log messages + wxLog::DontCreateOnDemand(); - wxApp::CommonInit(); + wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); + if (oldLog) + delete oldLog; +} - wxTheApp->OnInitGui(); +wxLog *wxApp::CreateLogTarget() +{ + return new wxLogGui; +} - // Here frames insert themselves automatically - // into wxTopLevelWindows by getting created - // in OnInit(). +//----------------------------------------------------------------------------- +// wxEntry +//----------------------------------------------------------------------------- - if (!wxTheApp->OnInit()) return 0; +int wxEntry( int argc, char *argv[] ) +{ + gtk_set_locale(); - wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0); + gtk_init( &argc, &argv ); - int retValue = 0; + if (!wxApp::Initialize()) + return -1; - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); + if (!wxTheApp) + { + wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, + "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - wxTheApp->DeletePendingObjects(); + wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); - wxTheApp->OnExit(); + wxObject *test_app = app_ini(); - wxApp::CommonCleanUp(); + wxTheApp = (wxApp*) test_app; + } - wxDELETE(wxTheApp); + wxCHECK_MSG( wxTheApp, -1, "wxWindows error: no application object" ); - wxClassInfo::CleanUpClasses(); - - delete[] wxBuffer; - -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - - if (wxDebugContext::CountObjectsLeft() > 0) - { - wxLogDebug("There were memory leaks.\n"); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -// wxDebugContext::SetStream(NULL, NULL); - -#endif + wxTheApp->argc = argc; + wxTheApp->argv = argv; - wxLog *oldLog = wxLog::SetActiveTarget( NULL ); - if (oldLog) delete oldLog; + char name[200]; + strcpy( name, argv[0] ); + strcpy( name, wxFileNameFromPath(name) ); + wxStripExtension( name ); + wxTheApp->SetAppName( name ); + if (!wxTheApp->OnInitGui()) + return 0; - return retValue; -} + /* Here frames insert themselves automatically + * into wxTopLevelWindows by getting created + * in OnInit(). */ -//----------------------------------------------------------------------------- -// main() -//----------------------------------------------------------------------------- + if (!wxTheApp->OnInit()) + return 0; -#if defined(AIX) || defined(AIX4) || defined(____HPUX__) || defined(NOMAIN) + wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0); - // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h + int retValue = 0; -#else + if (wxTheApp->Initialized()) + retValue = wxTheApp->OnRun(); - int main(int argc, char *argv[]) { return wxEntry(argc, argv); } + 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( (wxWindow*) NULL ); + } + } -#endif + wxTheApp->OnExit(); + + // 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; +}