X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c9e352726232feaa1085f9950cddfa6c98fdda95..1c405bb51093fc7812fb66e7d47faac5707e02b5:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 680bbce0f0..86a0258e1b 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -28,17 +28,20 @@ #include "wx/module.h" #include "wx/image.h" +#ifdef __WXUNIVERSAL__ + #include "wx/univ/theme.h" + #include "wx/univ/renderer.h" +#endif + #if wxUSE_THREADS #include "wx/thread.h" #endif #include +#include "wx/gtk/win_gtk.h" -#include -#include #include -#include "wx/gtk/win_gtk.h" //----------------------------------------------------------------------------- // global data @@ -52,20 +55,21 @@ extern bool g_isIdle; bool g_mainThreadLocked = FALSE; gint g_pendingTag = 0; -GtkWidget *wxRootWindow = (GtkWidget*) NULL; +static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- // local functions //----------------------------------------------------------------------------- -/* forward declaration */ -gint wxapp_idle_callback( gpointer WXUNUSED(data) ); -gint wxapp_pending_callback( gpointer WXUNUSED(data) ); -void wxapp_install_idle_handler(); +extern "C" +{ + gint wxapp_idle_callback( gpointer WXUNUSED(data) ); + gint wxapp_pending_callback( gpointer WXUNUSED(data) ); +} -#if wxUSE_THREADS -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); -#endif +void wxapp_install_thread_wakeup(); +void wxapp_uninstall_thread_wakeup(); +void wxapp_install_idle_handler(); //----------------------------------------------------------------------------- // wxExit @@ -80,44 +84,58 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- -bool wxYield() +bool wxApp::Yield(bool onlyIfNeeded) { -#ifdef __WXDEBUG__ + // MT-FIXME static bool s_inYield = FALSE; - - if (s_inYield) - wxFAIL_MSG( wxT("wxYield called recursively" ) ); - + + if ( s_inYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } + + return FALSE; + } + +#if wxUSE_THREADS + if ( !wxThread::IsMain() ) + { + // can't call gtk_main_iteration() from other threads like this + return TRUE; + } +#endif // wxUSE_THREADS + s_inYield = TRUE; -#endif if (!g_isIdle) { // We need to remove idle callbacks or the loop will // never finish. - gtk_idle_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; + gtk_idle_remove( m_idleTag ); + m_idleTag = 0; g_isIdle = TRUE; } - while (gtk_events_pending()) - gtk_main_iteration(); - // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c wxLog::Suspend(); + while (gtk_events_pending()) + 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) */ - while (wxTheApp->ProcessIdle()) { } + while ( ProcessIdle() ) + { + } // let the logs be flashed again wxLog::Resume(); -#ifdef __WXDEBUG__ s_inYield = FALSE; -#endif return TRUE; } @@ -146,10 +164,32 @@ void wxWakeUpIdle() // local functions //----------------------------------------------------------------------------- +void wxapp_install_idle_handler() +{ + wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); + + g_isIdle = FALSE; + + if (g_pendingTag == 0) + g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); + + /* This routine gets called by all event handlers + indicating that the idle is over. It may also + get called from other thread for sending events + to the main thread (and processing these in + idle time). Very low priority. */ + + wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); +} + +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" +{ + gint wxapp_pending_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) return TRUE; - + // when getting called from GDK's time-out handler // we are no longer within GDK's grab on the GUI // thread so we must lock it here ourselves @@ -175,8 +215,19 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) ) gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { - if (!wxTheApp) return TRUE; - + if (!wxTheApp) + return TRUE; + +#ifdef __WXDEBUG__ + // don't generate the idle events while the assert modal dialog is shown, + // this completely confuses the apps which don't expect to be reentered + // from some safely-looking functions + if ( wxTheApp->IsInAssert() ) + { + return TRUE; + } +#endif // __WXDEBUG__ + // when getting called from GDK's time-out handler // we are no longer within GDK's grab on the GUI // thread so we must lock it here ourselves @@ -190,8 +241,9 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) g_isIdle = TRUE; wxTheApp->m_idleTag = 0; - // Sent idle event to all who request them - while (wxTheApp->ProcessIdle()) { } + // Sent idle event to all who request them as long as they do + while (wxTheApp->ProcessIdle()) + ; // Release lock again gdk_threads_leave(); @@ -201,24 +253,42 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) return FALSE; } -void wxapp_install_idle_handler() +#if wxUSE_THREADS + +gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) { - wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); + // when getting called from GDK's time-out handler + // we are no longer within GDK's grab on the GUI + // thread so we must lock it here ourselves + gdk_threads_enter(); - g_isIdle = FALSE; + wxapp_uninstall_thread_wakeup(); - if (g_pendingTag == 0) - g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); - - /* This routine gets called by all event handlers - indicating that the idle is over. It may also - get called from other thread for sending events - to the main thread (and processing these in - idle time). Very low priority. */ + // unblock other threads wishing to do some GUI things + wxMutexGuiLeave(); - wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); + g_mainThreadLocked = TRUE; + + // wake up other threads + wxUsleep( 1 ); + + // block other thread again + wxMutexGuiEnter(); + + g_mainThreadLocked = FALSE; + + wxapp_install_thread_wakeup(); + + // release lock again + gdk_threads_leave(); + + return TRUE; } +#endif // wxUSE_THREADS + +} // extern "C" + #if wxUSE_THREADS static int g_threadUninstallLevel = 0; @@ -226,7 +296,7 @@ static int g_threadUninstallLevel = 0; void wxapp_install_thread_wakeup() { g_threadUninstallLevel++; - + if (g_threadUninstallLevel != 1) return; if (wxTheApp->m_wakeUpTimerTag) return; @@ -237,7 +307,7 @@ void wxapp_install_thread_wakeup() void wxapp_uninstall_thread_wakeup() { g_threadUninstallLevel--; - + if (g_threadUninstallLevel != 0) return; if (!wxTheApp->m_wakeUpTimerTag) return; @@ -246,38 +316,22 @@ void wxapp_uninstall_thread_wakeup() wxTheApp->m_wakeUpTimerTag = 0; } -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) -{ - // when getting called from GDK's time-out handler - // we are no longer within GDK's grab on the GUI - // thread so we must lock it here ourselves - gdk_threads_enter(); - - wxapp_uninstall_thread_wakeup(); - - // unblock other threads wishing to do some GUI things - wxMutexGuiLeave(); - - g_mainThreadLocked = TRUE; - - // wake up other threads - wxUsleep( 1 ); - - // block other thread again - wxMutexGuiEnter(); - - g_mainThreadLocked = FALSE; - - wxapp_install_thread_wakeup(); +#endif // wxUSE_THREADS - // release lock again - gdk_threads_leave(); +//----------------------------------------------------------------------------- +// Access to the root window global +//----------------------------------------------------------------------------- - return TRUE; +GtkWidget* wxGetRootWindow() +{ + if (gs_RootWindow == NULL) + { + gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + gtk_widget_realize( gs_RootWindow ); + } + return gs_RootWindow; } -#endif // wxUSE_THREADS - //----------------------------------------------------------------------------- // wxApp //----------------------------------------------------------------------------- @@ -290,10 +344,10 @@ END_EVENT_TABLE() wxApp::wxApp() { - wxTheApp = this; - - m_topWindow = (wxWindow *) NULL; - m_exitOnFrameDelete = TRUE; + m_initialized = FALSE; +#ifdef __WXDEBUG__ + m_isInAssert = FALSE; +#endif // __WXDEBUG__ m_idleTag = 0; wxapp_install_idle_handler(); @@ -304,8 +358,9 @@ wxApp::wxApp() #endif m_colorCube = (unsigned char*) NULL; - - m_useBestVisual = FALSE; + + // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp + m_glVisualInfo = (void *) NULL; } wxApp::~wxApp() @@ -321,14 +376,35 @@ wxApp::~wxApp() bool wxApp::OnInitGui() { + if ( !wxAppBase::OnInitGui() ) + return FALSE; + GdkVisual *visual = gdk_visual_get_system(); - /* on some machines, the default visual is just 256 colours, so - we make sure we get the best. this can sometimes be wasteful, - of course, but what do these guys pay $30.000 for? */ + // if this is a wxGLApp (derived from wxApp), and we've already + // chosen a specific visual, then derive the GdkVisual from that + if (m_glVisualInfo != NULL) + { +#ifdef __WXGTK20__ + // seems gtk_widget_set_default_visual no longer exists? + GdkVisual* vis = gtk_widget_get_default_visual(); +#else + GdkVisual* vis = gdkx_visual_get( + ((XVisualInfo *) m_glVisualInfo) ->visualid ); + gtk_widget_set_default_visual( vis ); +#endif + + GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); + gtk_widget_set_default_colormap( colormap ); + + visual = vis; + } + + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. - if ((gdk_visual_get_best() != gdk_visual_get_system()) && - (m_useBestVisual)) + else + if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) { #ifdef __WXGTK20__ /* seems gtk_widget_set_default_visual no longer exists? */ @@ -344,10 +420,10 @@ bool wxApp::OnInitGui() visual = vis; } - /* Nothing to do for 15, 16, 24, 32 bit displays */ + // Nothing to do for 15, 16, 24, 32 bit displays if (visual->depth > 8) return TRUE; - /* initialize color cube for 8-bit color reduction dithering */ + // initialize color cube for 8-bit color reduction dithering GdkColormap *cmap = gtk_widget_get_default_colormap(); @@ -384,16 +460,11 @@ bool wxApp::OnInitGui() } else { -#if (GTK_MINOR_VERSION > 0) - /* assume 8-bit true or static colors. this really - exists. */ + // assume 8-bit true or static colors. this really exists GdkVisual* vis = gdk_colormap_get_visual( cmap ); index = (r >> (5 - vis->red_prec)) << vis->red_shift; index |= (g >> (5 - vis->green_prec)) << vis->green_shift; index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift; -#else - wxFAIL_MSG( wxT("Unsupported graphics hardware") ); -#endif } m_colorCube[ (r*1024) + (g*32) + b ] = index; } @@ -403,6 +474,20 @@ bool wxApp::OnInitGui() return TRUE; } +GdkVisual *wxApp::GetGdkVisual() +{ + GdkVisual *visual = NULL; + + if (m_glVisualInfo) + visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); + else + visual = gdk_window_get_visual( wxGetRootWindow()->window ); + + wxASSERT( visual ); + + return visual; +} + bool wxApp::ProcessIdle() { wxIdleEvent event; @@ -529,7 +614,9 @@ bool wxApp::Initialize() wxClassInfo::InitializeClasses(); - wxSystemSettings::Init(); +#if wxUSE_INTL + wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); +#endif // 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. @@ -581,8 +668,6 @@ void wxApp::CleanUp() delete wxPendingEventsLocker; #endif - wxSystemSettings::Done(); - delete[] wxBuffer; wxClassInfo::CleanUpClasses(); @@ -611,12 +696,12 @@ void wxApp::CleanUp() // wxEntry //----------------------------------------------------------------------------- - -int wxEntryStart( int argc, char *argv[] ) +// NB: argc and argv may be changed here, pass by reference! +int wxEntryStart( int& argc, char *argv[] ) { #if wxUSE_THREADS - /* GTK 1.2 up to version 1.2.3 has broken threads */ - if ((gtk_major_version == 1) && + // GTK 1.2 up to version 1.2.3 has broken threads + if ((gtk_major_version == 1) && (gtk_minor_version == 2) && (gtk_micro_version < 4)) { @@ -630,11 +715,14 @@ int wxEntryStart( int argc, char *argv[] ) gtk_set_locale(); + // We should have the wxUSE_WCHAR_T test on the _outside_ +#if wxUSE_WCHAR_T #if defined(__WXGTK20__) // gtk+ 2.0 supports Unicode through UTF-8 strings wxConvCurrent = &wxConvUTF8; -#elif wxUSE_WCHAR_T +#else if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; +#endif #else if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; #endif @@ -662,8 +750,7 @@ int wxEntryInitGui() if ( !wxTheApp->OnInitGui() ) retValue = -1; - wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); - gtk_widget_realize( wxRootWindow ); + wxGetRootWindow(); return retValue; } @@ -691,7 +778,6 @@ void wxEntryCleanup() } - int wxEntry( int argc, char *argv[] ) { #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT @@ -789,13 +875,19 @@ int wxEntry( int argc, char *argv[] ) return retValue; } +#ifndef __WXUNIVERSAL__ + +// XPM hack: make the arrays const +#define static static const + #include "wx/gtk/info.xpm" #include "wx/gtk/error.xpm" #include "wx/gtk/question.xpm" #include "wx/gtk/warning.xpm" -wxIcon -wxApp::GetStdIcon(int which) const +#undef static + +wxIcon wxApp::GetStdIcon(int which) const { switch(which) { @@ -816,3 +908,24 @@ wxApp::GetStdIcon(int which) const return wxIcon(error_xpm); } } +#else +wxIcon wxApp::GetStdIcon(int which) const +{ + return wxTheme::Get()->GetRenderer()->GetStdIcon(which); +} +#endif // !__WXUNIVERSAL__ + + +#ifdef __WXDEBUG__ + +void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) +{ + m_isInAssert = TRUE; + + wxAppBase::OnAssert(file, line, msg); + + m_isInAssert = FALSE; +} + +#endif // __WXDEBUG__ +