/////////////////////////////////////////////////////////////////////////////
-// 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"
+
+#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 <gpe/init.h>
+ #include <gpe/init.h>
#endif
#ifdef __WXUNIVERSAL__
#include "wx/univ/renderer.h"
#endif
-#if wxUSE_THREADS
- #include "wx/thread.h"
-#endif
-
#include <unistd.h>
#ifdef HAVE_POLL
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
+ #ifdef HAVE_SYS_SELECT_H
+ #include <sys/select.h>
+ #endif
#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
// 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();
+ RemoveIdleSource();
#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();
-
- {
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- g_pendingTag = 0;
- }
-
- // Flush the logged messages if any.
-#if wxUSE_LOG
- wxLog::FlushActive();
-#endif // wxUSE_LOG
-
- // Release lock again
- gdk_threads_leave();
+ wxapp_install_idle_handler();
+ // remove hook
+ return false;
+}
- // Return FALSE to indicate that no more idle events are
- // to be sent (single shot instead of continuous stream)
- return FALSE;
+static inline void wxAddEmissionHook()
+{
+ // add emission hook for "event" signal, to re-install idle handler when needed
+ guint sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET);
+ g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL);
}
static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
if (!wxTheApp)
- return TRUE;
+ return 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() )
- {
- // 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;
- }
+ return false;
#endif // __WXDEBUG__
// When getting called from GDK's time-out handler
#if wxUSE_THREADS
wxMutexLocker lock(gs_idleTagsMutex);
#endif
- g_isIdle = TRUE;
+ g_isIdle = true;
wxTheApp->m_idleTag = 0;
}
// Release lock again
gdk_threads_leave();
+ if (!moreIdles)
+ wxAddEmissionHook();
+
// Return FALSE if no more idle events are to be sent
return moreIdles;
}
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();
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
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
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++)
- {
- for (int b = 0; b < 32; b++)
- {
- 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)
- {
- 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;
- }
- }
- }
- else
- {
- // 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;
- }
- m_colorCube[ (r*1024) + (g*32) + b ] = index;
- }
- }
}
- return TRUE;
+ return true;
}
GdkVisual *wxApp::GetGdkVisual()
bool init_result;
#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);
- }
+ if (!g_thread_supported())
+ g_thread_init(NULL);
#endif // wxUSE_THREADS
gtk_set_locale();
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;
+ m_isInAssert = true;
- wxAppBase::OnAssert(file, line, cond, msg);
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
- m_isInAssert = FALSE;
+ m_isInAssert = false;
}
#endif // __WXDEBUG__
-void wxApp::RemoveIdleTag()
+void wxApp::RemoveIdleSource()
{
#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