/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
#endif
#include "wx/app.h"
#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"
-#include "glib.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
-#include "wx/gtk/win_gtk.h"
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
-#include <unistd.h> // usleep() on solaris
+#include "wx/gtk/win_gtk.h"
//-----------------------------------------------------------------------------
// global data
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] =
// 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 ( 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;
}
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);
}
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
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++)
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;
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 );
inOnIdle = TRUE;
+ /* Resend in the main thread events which have been prepared in other
+ threads */
+ ProcessPendingEvents();
+
/* 'Garbage' collection of windows deleted with Close(). */
DeletePendingObjects();
inOnIdle = FALSE;
}
-bool wxApp::SendIdleEvents(void)
+bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
wxIdleEvent event;
event.SetEventObject(win);
-
+
win->OnInternalIdle();
-
+
win->ProcessEvent(event);
if (event.MoreRequested())
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)
}
}
-wxWindow *wxApp::GetTopWindow(void)
+wxWindow *wxApp::GetTopWindow()
{
if (m_topWindow) return m_topWindow;
wxNode *node = wxTopLevelWindows.First();
m_topWindow = win;
}
-bool wxApp::Initialize(void)
+bool wxApp::Initialize()
{
wxBuffer = new char[BUFSIZ + 512];
wxClassInfo::InitializeClasses();
-
+
wxSystemSettings::Init();
-
+
/*
wxTheFontNameDirectory = new wxFontNameDirectory;
wxTheFontNameDirectory->Initialize();
#if wxUSE_WX_RESOURCES
wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
-
+
wxInitializeResourceSystem();
#endif
/* 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();
delete wxTheApp;
wxTheApp = (wxApp*) NULL;
- /* check for memory leaks */
+ wxSystemSettings::Done();
+
+ delete[] wxBuffer;
+
+ wxClassInfo::CleanUpClasses();
+
+ // check for memory leaks
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
if (wxDebugContext::CountObjectsLeft() > 0)
{
}
#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()
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();
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;
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)) )
{
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;
projects / wxWidgets.git / blobdiff