X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/24178e4a14a3d10e5f389ce7d8eb35f6636df001..22d5903e91cebda4d9614515b05cc9a894306278:/src/gtk1/app.cpp diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp index 2c0b307922..e37f422742 100644 --- a/src/gtk1/app.cpp +++ b/src/gtk1/app.cpp @@ -8,7 +8,7 @@ ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "app.h" + #pragma implementation "app.h" #endif #include "wx/app.h" @@ -20,27 +20,24 @@ #include "wx/font.h" #include "wx/settings.h" #include "wx/dialog.h" + #if wxUSE_WX_RESOURCES -#include "wx/resource.h" + #include "wx/resource.h" #endif + #include "wx/module.h" #include "wx/image.h" -#if wxUSE_THREADS + #include "wx/thread.h" -#endif + #include "unistd.h" -#ifdef __SUN__ -int usleep(unsigned int useconds); -#endif +#include +#include +#include -#include "glib.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" #include "wx/gtk/win_gtk.h" -#include // usleep() on solaris - //----------------------------------------------------------------------------- // global data //----------------------------------------------------------------------------- @@ -49,6 +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] = @@ -129,14 +130,27 @@ 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(); + // 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 ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + win->OnInternalIdle(); + } + + while (gtk_events_pending() > 0) + gtk_main_iteration(); + return TRUE; } @@ -152,33 +166,36 @@ END_EVENT_TABLE() gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { - if (wxTheApp) while (wxTheApp->ProcessIdle()) {} -#if wxUSE_THREADS + if (wxTheApp) + { + while (wxTheApp->ProcessIdle()) + { + } + } + wxMutexGuiLeave(); -#endif - usleep(10000); -#if wxUSE_THREADS + wxUsleep(10); wxMutexGuiEnter(); -#endif + return TRUE; } 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); } @@ -188,7 +205,7 @@ 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 @@ -209,14 +226,14 @@ 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++) @@ -228,7 +245,7 @@ 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; @@ -241,17 +258,17 @@ 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 ); @@ -270,6 +287,12 @@ void wxApp::OnIdle( wxIdleEvent &event ) inOnIdle = TRUE; +#if wxUSE_THREADS + /* Resend in the main thread events which have been prepared in other + threads */ + ProcessPendingEvents(); +#endif + /* 'Garbage' collection of windows deleted with Close(). */ DeletePendingObjects(); @@ -287,18 +310,19 @@ void wxApp::OnIdle( wxIdleEvent &event ) inOnIdle = FALSE; } -bool wxApp::SendIdleEvents(void) +bool wxApp::SendIdleEvents() { bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); while (node) { - wxWindow* win = (wxWindow*) node->Data(); + wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; - node = node->Next(); + node = node->GetNext(); } + return needMore; } @@ -308,9 +332,9 @@ bool wxApp::SendIdleEvents( wxWindow* win ) wxIdleEvent event; event.SetEventObject(win); - + win->OnInternalIdle(); - + win->ProcessEvent(event); if (event.MoreRequested()) @@ -328,32 +352,51 @@ 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) +#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() { wxNode *node = wxPendingDelete.First(); while (node) @@ -369,12 +412,14 @@ void wxApp::DeletePendingObjects(void) } } -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; + else if (wxTopLevelWindows.GetCount() > 0) + return wxTopLevelWindows.GetFirst()->GetData(); + else + return NULL; } void wxApp::SetTopWindow( wxWindow *win ) @@ -382,14 +427,21 @@ void wxApp::SetTopWindow( wxWindow *win ) m_topWindow = win; } -bool wxApp::Initialize(void) +bool wxApp::Initialize() { wxBuffer = new char[BUFSIZ + 512]; wxClassInfo::InitializeClasses(); - + wxSystemSettings::Init(); - + + // 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 + wxPendingEvents = new wxList(); + wxPendingEventsLocker = new wxCriticalSection(); +#endif + /* wxTheFontNameDirectory = new wxFontNameDirectory; wxTheFontNameDirectory->Initialize(); @@ -403,7 +455,7 @@ bool wxApp::Initialize(void) #if wxUSE_WX_RESOURCES wxTheResourceCache = new wxResourceCache( wxKEY_STRING ); - + wxInitializeResourceSystem(); #endif @@ -411,34 +463,36 @@ 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(); @@ -448,7 +502,20 @@ void wxApp::CleanUp(void) delete wxTheApp; wxTheApp = (wxApp*) NULL; - /* check for memory leaks */ + // 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; +#endif + + wxSystemSettings::Done(); + + delete[] wxBuffer; + + wxClassInfo::CleanUpClasses(); + + // check for memory leaks #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT if (wxDebugContext::CountObjectsLeft() > 0) { @@ -458,17 +525,12 @@ 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; - - wxSystemSettings::Done(); - - wxClassInfo::CleanUpClasses(); - delete[] wxBuffer; + wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); + if (oldLog) + delete oldLog; } wxLog *wxApp::CreateLogTarget() @@ -486,15 +548,13 @@ 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(); @@ -503,11 +563,7 @@ 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; @@ -518,24 +574,27 @@ 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); + wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 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)) ) { @@ -551,11 +610,18 @@ 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;