/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk/app.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
#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"
-#include "wx/file.h"
-#include "wx/filename.h"
-#include "wx/module.h"
-#include "wx/image.h"
-#include "wx/thread.h"
-#ifdef __WXGPE__
-#include <gpe/init.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
-#ifdef __WXUNIVERSAL__
- #include "wx/univ/theme.h"
- #include "wx/univ/renderer.h"
-#endif
+#include "wx/thread.h"
-#if wxUSE_THREADS
- #include "wx/thread.h"
+#ifdef __WXGPE__
+ #include <gpe/init.h>
#endif
-#include <unistd.h>
-
-#ifdef HAVE_POLL
- #if defined(__VMS)
- #include <poll.h>
- #else
- // bug in the OpenBSD headers: at least in 3.1 there is no extern "C"
- // in neither poll.h nor sys/poll.h which results in link errors later
- #ifdef __OPENBSD__
- extern "C"
- {
- #endif
-
- #include <sys/poll.h>
-
- #ifdef __OPENBSD__
- };
- #endif
- #endif // platform
-#else // !HAVE_POLL
- // we implement poll() ourselves using select() which is supposed exist in
- // all modern Unices
- #include <sys/types.h>
- #include <sys/time.h>
- #include <unistd.h>
-#endif // HAVE_POLL/!HAVE_POLL
-
-#include "wx/unix/private.h"
#include "wx/gtk/win_gtk.h"
#include "wx/gtk/private.h"
-#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+//-----------------------------------------------------------------------------
+// link GnomeVFS
+//-----------------------------------------------------------------------------
+
+#if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS
+ #include "wx/link.h"
+ wxFORCE_LINK_MODULE(gnome_vfs)
+#endif
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
-bool g_mainThreadLocked = FALSE;
-gint g_pendingTag = 0;
+bool g_mainThreadLocked = false;
static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
// not static because used by textctrl.cpp
//
// MT-FIXME
-bool wxIsInsideYield = FALSE;
+bool wxIsInsideYield = false;
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
wxLog::Resume();
#endif
- wxIsInsideYield = FALSE;
+ wxIsInsideYield = false;
- return TRUE;
+ return true;
}
//-----------------------------------------------------------------------------
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)
+ guint idleID_save;
{
- wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();
- if (win->IsKindOf(CLASSINFO(wxMessageDialog)))
- win->OnInternalIdle();
+ // Allow another idle source to be added while this one is busy.
+ // Needed if an idle event handler runs a new event loop,
+ // for example by showing a dialog.
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ idleID_save = wxTheApp->m_idleTag;
+ wxTheApp->m_idleTag = 0;
+ g_isIdle = true;
+ wxAddEmissionHook();
}
- 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.
- gdk_threads_enter();
+ // 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();
- // Indicate that we are now in idle mode and event handlers
- // will have to reinstall the idle handler again.
+ {
+ // If another idle source was added, remove it
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (wxTheApp->m_idleTag != 0)
+ g_source_remove(wxTheApp->m_idleTag);
+ wxTheApp->m_idleTag = idleID_save;
+ g_isIdle = false;
+ }
+ }
+
+ 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 = false;
-
- // 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;
}
+} // extern "C"
#if wxUSE_THREADS
-#ifdef HAVE_POLL
- #define wxPoll poll
- #define wxPollFd pollfd
-#else // !HAVE_POLL
-
-typedef GPollFD wxPollFd;
-
-int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
-{
- // convert timeout from ms to struct timeval (s/us)
- timeval tv_timeout;
- tv_timeout.tv_sec = timeout/1000;
- tv_timeout.tv_usec = (timeout%1000)*1000;
-
- // remember the highest fd used here
- int fdMax = -1;
-
- // and fill the sets for select()
- fd_set readfds;
- fd_set writefds;
- fd_set exceptfds;
- wxFD_ZERO(&readfds);
- wxFD_ZERO(&writefds);
- wxFD_ZERO(&exceptfds);
-
- unsigned int i;
- for ( i = 0; i < nfds; i++ )
- {
- wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") );
-
- if ( ufds[i].events & G_IO_IN )
- wxFD_SET(ufds[i].fd, &readfds);
-
- if ( ufds[i].events & G_IO_PRI )
- wxFD_SET(ufds[i].fd, &exceptfds);
-
- if ( ufds[i].events & G_IO_OUT )
- wxFD_SET(ufds[i].fd, &writefds);
-
- if ( ufds[i].fd > fdMax )
- fdMax = ufds[i].fd;
- }
-
- fdMax++;
- int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
-
- // translate the results back
- for ( i = 0; i < nfds; i++ )
- {
- ufds[i].revents = 0;
-
- if ( wxFD_ISSET(ufds[i].fd, &readfds ) )
- ufds[i].revents |= G_IO_IN;
-
- if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )
- ufds[i].revents |= G_IO_PRI;
-
- if ( wxFD_ISSET(ufds[i].fd, &writefds ) )
- ufds[i].revents |= G_IO_OUT;
- }
-
- return res;
-}
-
-#endif // HAVE_POLL/!HAVE_POLL
+static GPollFunc wxgs_poll_func;
+extern "C" {
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 );
+ gint res = (*wxgs_poll_func)(ufds, nfds, timeout);
wxMutexGuiEnter();
- g_mainThreadLocked = FALSE;
+ g_mainThreadLocked = false;
gdk_threads_leave();
return res;
}
+}
#endif // wxUSE_THREADS
-} // extern "C"
-
void wxapp_install_idle_handler()
{
+ if (wxTheApp == NULL)
+ return;
+
#if wxUSE_THREADS
wxMutexLocker lock(gs_idleTagsMutex);
#endif
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);
}
//-----------------------------------------------------------------------------
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;
{
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()
if (m_glVisualInfo)
visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
else
- visual = gdk_window_get_visual( wxGetRootWindow()->window );
+ visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
wxASSERT( visual );
bool wxApp::Initialize(int& argc, wxChar **argv)
{
- bool init_result;
+ if ( !wxAppBase::Initialize(argc, argv) )
+ return false;
#if wxUSE_THREADS
- // 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))
- {
- printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
- }
- else
- {
- if (!g_thread_supported())
- g_thread_init(NULL);
- }
-#endif // wxUSE_THREADS
+ if (!g_thread_supported())
+ g_thread_init(NULL);
- gtk_set_locale();
+ wxgs_poll_func = g_main_context_get_poll_func(NULL);
+ g_main_context_set_poll_func(NULL, wxapp_poll_func);
+#endif // wxUSE_THREADS
// We should have the wxUSE_WCHAR_T test on the _outside_
#if wxUSE_WCHAR_T
// 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
static wxConvBrokenFileNames fileconv(encName);
wxConvFileName = &fileconv;
+
+ bool init_result;
+
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
int i;
{
while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
{
- memmove(argv + i, argv + i + 1, argc - i);
+ memmove(argv + i, argv + i + 1, (argc - i)*sizeof(*argv));
}
}
// we can not enter threads before gtk_init is done
gdk_threads_enter();
- if ( !wxAppBase::Initialize(argc, argv) )
- {
- gdk_threads_leave();
-
- return false;
- }
-
- wxSetDetectableAutoRepeat( TRUE );
+ wxSetDetectableAutoRepeat( true );
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#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();
}
}
projects / wxWidgets.git / blobdiff