X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ac131bab11bdea282f7e18751ee0679d65e469c3..dc4689ef73c1046e49978fcd0a929f3dd975fbb9:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 8f8e0869dc..e68e9654d6 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: app.cpp +// Name: src/gtk/app.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -17,23 +17,21 @@ #include "wx/wxprec.h" #include "wx/app.h" -#include "wx/gdicmn.h" -#include "wx/utils.h" -#include "wx/intl.h" -#include "wx/log.h" -#include "wx/memory.h" -#include "wx/font.h" -#include "wx/settings.h" -#include "wx/dialog.h" -#include "wx/msgdlg.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/memory.h" + #include "wx/font.h" +#endif + #include "wx/file.h" #include "wx/filename.h" -#include "wx/module.h" -#include "wx/image.h" #include "wx/thread.h" #ifdef __WXGPE__ -#include + #include #endif #ifdef __WXUNIVERSAL__ @@ -41,10 +39,6 @@ #include "wx/univ/renderer.h" #endif -#if wxUSE_THREADS - #include "wx/thread.h" -#endif - #include #ifdef HAVE_POLL @@ -70,13 +64,16 @@ #include #include #include + #ifdef HAVE_SYS_SELECT_H + #include + #endif #endif // HAVE_POLL/!HAVE_POLL #include "wx/unix/private.h" #include "wx/gtk/win_gtk.h" #include "wx/gtk/private.h" -#include +#include //----------------------------------------------------------------------------- // link GnomeVFS @@ -91,8 +88,7 @@ FORCE_LINK(gnome_vfs) // global data //----------------------------------------------------------------------------- -bool g_mainThreadLocked = FALSE; -gint g_pendingTag = 0; +bool g_mainThreadLocked = false; static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; @@ -113,7 +109,7 @@ static wxMutex gs_idleTagsMutex; // not static because used by textctrl.cpp // // MT-FIXME -bool wxIsInsideYield = FALSE; +bool wxIsInsideYield = false; bool wxApp::Yield(bool onlyIfNeeded) { @@ -124,22 +120,22 @@ bool wxApp::Yield(bool onlyIfNeeded) wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + return false; } #if wxUSE_THREADS if ( !wxThread::IsMain() ) { // can't call gtk_main_iteration() from other threads like this - return TRUE; + return true; } #endif // wxUSE_THREADS - wxIsInsideYield = TRUE; + wxIsInsideYield = true; // We need to remove idle callbacks or the loop will // never finish. - wxTheApp->RemoveIdleTag(); + SuspendIdleCallback(); #if wxUSE_LOG // disable log flushing from here because a call to wxYield() shouldn't @@ -163,9 +159,9 @@ bool wxApp::Yield(bool onlyIfNeeded) wxLog::Resume(); #endif - wxIsInsideYield = FALSE; + wxIsInsideYield = false; - return TRUE; + return true; } //----------------------------------------------------------------------------- @@ -188,84 +184,69 @@ void wxApp::WakeUpIdle() extern "C" { -static gint wxapp_pending_callback( gpointer WXUNUSED(data) ) +// One-shot emission hook for "event" signal, to install idle handler. +// This will be called when the "event" signal is issued on any GtkWidget object. +static gboolean +event_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer) { - 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. - gdk_threads_enter(); - - // Sent idle event to all who request them. - wxTheApp->ProcessPendingEvents(); + wxapp_install_idle_handler(); + // remove hook + return false; +} +// add emission hook for "event" signal, to re-install idle handler when needed +static inline void wxAddEmissionHook() +{ + GType widgetType = GTK_TYPE_WIDGET; + // if GtkWidget type is loaded + if (g_type_class_peek(widgetType) != NULL) { -#if wxUSE_THREADS - wxMutexLocker lock(gs_idleTagsMutex); -#endif - g_pendingTag = 0; + guint sig_id = g_signal_lookup("event", widgetType); + g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL); } - - // Flush the logged messages if any. -#if wxUSE_LOG - wxLog::FlushActive(); -#endif // wxUSE_LOG - - // Release lock again - gdk_threads_leave(); - - // Return FALSE to indicate that no more idle events are - // to be sent (single shot instead of continuous stream) - return FALSE; } static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { + // this does not look possible, but just in case... if (!wxTheApp) - return TRUE; + return false; + + bool moreIdles = false; #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() ) + // this matches the behavior of wxMSW + if (!wxTheApp->IsInAssert()) +#endif // __WXDEBUG__ { - // But repaint the assertion message if necessary - if (wxTopLevelWindows.GetCount() > 0) - { - wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData(); - if (win->IsKindOf(CLASSINFO(wxMessageDialog))) - win->OnInternalIdle(); - } - 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. + gdk_threads_enter(); + + // Send idle event to all who request them as long as + // no events have popped up in the event queue. + do { + moreIdles = wxTheApp->ProcessIdle(); + } while (moreIdles && gtk_events_pending() == 0); + + // Release lock again + gdk_threads_leave(); } -#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. - gdk_threads_enter(); - - // Indicate that we are now in idle mode and event handlers - // will have to reinstall the idle handler again. + if (!moreIdles) { #if wxUSE_THREADS wxMutexLocker lock(gs_idleTagsMutex); #endif - g_isIdle = TRUE; + // Indicate that we are now in idle mode and event handlers + // will have to reinstall the idle handler again. + g_isIdle = true; wxTheApp->m_idleTag = 0; - } - - bool moreIdles; - // Send idle event to all who request them as long as - // no events have popped up in the event queue. - while ( (moreIdles = wxTheApp->ProcessIdle()) && gtk_events_pending() == 0) - ; - - // Release lock again - gdk_threads_leave(); + wxAddEmissionHook(); + } // Return FALSE if no more idle events are to be sent return moreIdles; @@ -301,7 +282,7 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) unsigned int i; for ( i = 0; i < nfds; i++ ) { - wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") ); + wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") ); if ( ufds[i].events & G_IO_IN ) wxFD_SET(ufds[i].fd, &readfds); @@ -344,14 +325,14 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) gdk_threads_enter(); wxMutexGuiLeave(); - g_mainThreadLocked = TRUE; + g_mainThreadLocked = true; // we rely on the fact that glib GPollFD struct is really just pollfd but // I wonder how wise is this in the long term (VZ) gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout ); wxMutexGuiEnter(); - g_mainThreadLocked = FALSE; + g_mainThreadLocked = false; gdk_threads_leave(); @@ -364,6 +345,9 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) void wxapp_install_idle_handler() { + if (wxTheApp == NULL) + return; + #if wxUSE_THREADS wxMutexLocker lock(gs_idleTagsMutex); #endif @@ -380,17 +364,14 @@ 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 = g_idle_add_full( 900, wxapp_pending_callback, NULL, NULL ); + g_isIdle = false; // 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 = g_idle_add_full( 1000, wxapp_idle_callback, NULL, NULL ); + wxTheApp->m_idleTag = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL); } //----------------------------------------------------------------------------- @@ -420,19 +401,17 @@ END_EVENT_TABLE() wxApp::wxApp() { #ifdef __WXDEBUG__ - m_isInAssert = FALSE; + m_isInAssert = false; #endif // __WXDEBUG__ m_idleTag = 0; - g_isIdle = TRUE; + g_isIdle = true; wxapp_install_idle_handler(); #if wxUSE_THREADS g_main_context_set_poll_func( NULL, wxapp_poll_func ); #endif - m_colorCube = (unsigned char*) NULL; - // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp m_glVisualInfo = (void *) NULL; m_glFBCInfo = (void *) NULL; @@ -442,98 +421,52 @@ wxApp::~wxApp() { if (m_idleTag) g_source_remove( m_idleTag ); - - if (m_colorCube) - free(m_colorCube); } bool wxApp::OnInitGui() { if ( !wxAppBase::OnInitGui() ) - return FALSE; - - GdkVisual *visual = gdk_visual_get_system(); + return false; // 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) { - // seems gtk_widget_set_default_visual no longer exists? GdkVisual* vis = gtk_widget_get_default_visual(); 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. - else - if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) { - /* seems gtk_widget_set_default_visual no longer exists? */ - GdkVisual* vis = gtk_widget_get_default_visual(); - - GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); - gtk_widget_set_default_colormap( colormap ); - - visual = vis; - } - - // 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 - - 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++) + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. + if (m_useBestVisual) { - for (int b = 0; b < 32; b++) + if (m_forceTrueColour) { - int rr = (r << 3) | (r >> 2); - int gg = (g << 3) | (g >> 2); - int bb = (b << 3) | (b >> 2); - - int index = -1; - - GdkColor *colors = cmap->colors; - if (colors) + GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR ); + if (!visual) { - int max = 3 * 65536; - - 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; - } - } + wxLogError(wxT("Unable to initialize TrueColor visual.")); + return false; } - else + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); + } + else + { + if (gdk_visual_get_best() != gdk_visual_get_system()) { - // 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; + GdkVisual* visual = gdk_visual_get_best(); + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); } - m_colorCube[ (r*1024) + (g*32) + b ] = index; } } } - return TRUE; + return true; } GdkVisual *wxApp::GetGdkVisual() @@ -576,7 +509,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv) // of the filenames for GTK+ programs, so use it if it is set wxString encName(wxGetenv(_T("G_FILENAME_ENCODING"))); encName = encName.BeforeFirst(_T(',')); - if (encName == _T("@locale")) + if (encName.CmpNoCase(_T("@locale")) == 0) encName.clear(); encName.MakeUpper(); #if wxUSE_INTL @@ -660,7 +593,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv) return false; } - wxSetDetectableAutoRepeat( TRUE ); + wxSetDetectableAutoRepeat( true ); #if wxUSE_INTL wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); @@ -678,26 +611,33 @@ void wxApp::CleanUp() #ifdef __WXDEBUG__ -void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) +void wxApp::OnAssertFailure(const wxChar *file, + int line, + const wxChar* func, + const wxChar* cond, + const wxChar *msg) { - m_isInAssert = TRUE; - wxAppBase::OnAssert(file, line, cond, msg); + // block wx idle events while assert dialog is showing + m_isInAssert = true; + + wxAppBase::OnAssertFailure(file, line, func, cond, msg); - m_isInAssert = FALSE; + m_isInAssert = false; } #endif // __WXDEBUG__ -void wxApp::RemoveIdleTag() +void wxApp::SuspendIdleCallback() { #if wxUSE_THREADS wxMutexLocker lock(gs_idleTagsMutex); #endif - if (!g_isIdle) + if (m_idleTag != 0) { - g_source_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; - g_isIdle = TRUE; + g_source_remove(m_idleTag); + m_idleTag = 0; + g_isIdle = true; + wxAddEmissionHook(); } }