/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk/app.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
-#endif
-
#ifdef __VMS
-#include <vms_jackets.h>
+// vms_jackets.h should for proper working be included before anything else
+# include <vms_jackets.h>
#undef ConnectionNumber
#endif
+// For compilers that support precompilation, includes "wx.h".
+#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>
+#endif
#ifdef __WXUNIVERSAL__
#include "wx/univ/theme.h"
#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
+//-----------------------------------------------------------------------------
+
+#if wxUSE_LIBGNOMEVFS
+#include "wx/html/forcelnk.h"
+FORCE_LINK(gnome_vfs)
+#endif
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
-bool g_mainThreadLocked = FALSE;
-gint g_pendingTag = 0;
+bool g_mainThreadLocked = false;
static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
// idle system
//-----------------------------------------------------------------------------
-extern bool g_isIdle;
-
void wxapp_install_idle_handler();
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
+
//-----------------------------------------------------------------------------
// wxYield
//-----------------------------------------------------------------------------
// 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;
- if (!g_isIdle)
- {
- // We need to remove idle callbacks or the loop will
- // never finish.
- gtk_idle_remove( m_idleTag );
- m_idleTag = 0;
- g_isIdle = TRUE;
- }
+ // We need to remove idle callbacks or the loop will
+ // never finish.
+ RemoveIdleSource();
+#if wxUSE_LOG
// disable log flushing from here because a call to wxYield() shouldn't
// normally result in message boxes popping up &c
wxLog::Suspend();
+#endif
while (gtk_events_pending())
gtk_main_iteration();
// return value of Processidle().
ProcessIdle();
+#if wxUSE_LOG
// let the logs be flashed again
wxLog::Resume();
+#endif
- wxIsInsideYield = FALSE;
+ wxIsInsideYield = false;
- return TRUE;
+ return true;
}
//-----------------------------------------------------------------------------
// wxWakeUpIdle
//-----------------------------------------------------------------------------
+// RR/KH: No wxMutexGui calls are needed here according to the GTK faq,
+// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent.
+
void wxApp::WakeUpIdle()
{
-#if wxUSE_THREADS
- if (!wxThread::IsMain())
- wxMutexGuiEnter();
-#endif
-
- if (g_isIdle)
- wxapp_install_idle_handler();
-
-#if wxUSE_THREADS
- if (!wxThread::IsMain())
- wxMutexGuiLeave();
-#endif
+ wxapp_install_idle_handler();
}
//-----------------------------------------------------------------------------
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();
-
- 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();
-#ifdef __WXGTK20__
- if (win->IsKindOf(CLASSINFO(wxMessageDialog)))
-#else
- if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
-#endif
- win->OnInternalIdle();
- }
- return TRUE;
- }
+ return false;
#endif // __WXDEBUG__
// When getting called from GDK's time-out handler
// 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;
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ 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 (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
+ while ( (moreIdles = wxTheApp->ProcessIdle()) && gtk_events_pending() == 0)
;
// 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;
+ if (!moreIdles)
+ wxAddEmissionHook();
+
+ // Return FALSE if no more idle events are to be sent
+ return moreIdles;
}
#if wxUSE_THREADS
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
- FD_ZERO(&readfds);
- FD_ZERO(&writefds);
- FD_ZERO(&exceptfds);
+ wxFD_ZERO(&readfds);
+ wxFD_ZERO(&writefds);
+ wxFD_ZERO(&exceptfds);
unsigned int i;
for ( i = 0; i < nfds; i++ )
{
- wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
+ wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") );
if ( ufds[i].events & G_IO_IN )
- FD_SET(ufds[i].fd, &readfds);
+ wxFD_SET(ufds[i].fd, &readfds);
if ( ufds[i].events & G_IO_PRI )
- FD_SET(ufds[i].fd, &exceptfds);
+ wxFD_SET(ufds[i].fd, &exceptfds);
if ( ufds[i].events & G_IO_OUT )
- FD_SET(ufds[i].fd, &writefds);
+ wxFD_SET(ufds[i].fd, &writefds);
if ( ufds[i].fd > fdMax )
fdMax = ufds[i].fd;
{
ufds[i].revents = 0;
- if ( FD_ISSET(ufds[i].fd, &readfds ) )
+ if ( wxFD_ISSET(ufds[i].fd, &readfds ) )
ufds[i].revents |= G_IO_IN;
- if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
+ if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )
ufds[i].revents |= G_IO_PRI;
- if ( FD_ISSET(ufds[i].fd, &writefds ) )
+ if ( wxFD_ISSET(ufds[i].fd, &writefds ) )
ufds[i].revents |= G_IO_OUT;
}
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();
void wxapp_install_idle_handler()
{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+
+ // Don't install the handler if it's already installed. This test *MUST*
+ // be done when gs_idleTagsMutex is locked!
+ if (!g_isIdle)
+ return;
+
// GD: this assert is raised when using the thread sample (which works)
// so the test is probably not so easy. Can widget callbacks be
// triggered from child threads and, if so, for which widgets?
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 );
+ 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 = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+ wxTheApp->m_idleTag = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL);
}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
+ EVT_IDLE(wxAppBase::OnIdle)
END_EVENT_TABLE()
wxApp::wxApp()
{
- m_initialized = FALSE;
#ifdef __WXDEBUG__
- m_isInAssert = FALSE;
+ m_isInAssert = false;
#endif // __WXDEBUG__
m_idleTag = 0;
+ g_isIdle = true;
wxapp_install_idle_handler();
#if wxUSE_THREADS
- g_main_set_poll_func( wxapp_poll_func );
+ 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;
}
wxApp::~wxApp()
{
- if (m_idleTag) gtk_idle_remove( m_idleTag );
-
- if (m_colorCube) free(m_colorCube);
+ if (m_idleTag)
+ g_source_remove( m_idleTag );
}
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)
{
-#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
else
if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
{
-#ifdef __WXGTK20__
/* seems gtk_widget_set_default_visual no longer exists? */
GdkVisual* vis = gtk_widget_get_default_visual();
-#else
- GdkVisual* vis = gdk_visual_get_best();
- gtk_widget_set_default_visual( vis );
-#endif
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()
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 );
return visual;
}
-bool wxApp::ProcessIdle()
-{
- wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
- node = wxTopLevelWindows.GetFirst();
- while (node)
- {
- wxWindow* win = node->GetData();
- CallInternalIdle( win );
-
- node = node->GetNext();
- }
-
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
-
- return event.MoreRequested();
-}
-
-void wxApp::OnIdle( wxIdleEvent &event )
-{
- static bool s_inOnIdle = FALSE;
-
- // Avoid recursion (via ProcessEvent default case)
- if (s_inOnIdle)
- return;
-
- s_inOnIdle = TRUE;
-
- // Resend in the main thread events which have been prepared in other
- // threads
- ProcessPendingEvents();
-
- // 'Garbage' collection of windows deleted with Close()
- DeletePendingObjects();
-
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-
- if (needMore)
- event.RequestMore(TRUE);
-
- s_inOnIdle = FALSE;
-}
-
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
-
- wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
- while (node)
- {
- wxWindow* win = node->GetData();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->GetNext();
- }
-
- return needMore;
-}
-
-bool wxApp::CallInternalIdle( wxWindow* win )
-{
- win->OnInternalIdle();
-
- wxWindowList::Node *node = win->GetChildren().GetFirst();
- while (node)
- {
- wxWindow *win = node->GetData();
-
- CallInternalIdle( win );
- node = node->GetNext();
- }
-
- return TRUE;
-}
-
-bool wxApp::SendIdleEvents( wxWindow* win )
-{
- bool needMore = FALSE;
-
- wxIdleEvent event;
- event.SetEventObject(win);
-
- win->GetEventHandler()->ProcessEvent(event);
-
- if (event.MoreRequested())
- needMore = TRUE;
-
- wxWindowList::Node *node = win->GetChildren().GetFirst();
- while (node)
- {
- wxWindow *win = node->GetData();
-
- if (SendIdleEvents(win))
- needMore = TRUE;
- node = node->GetNext();
- }
-
- return needMore;
-}
-
-int wxApp::MainLoop()
-{
- gtk_main();
- return 0;
-}
-
-void wxApp::Exit()
-{
- // VZ: no idea why is it different from ExitMainLoop() but this is what
- // wxExit() used to do
- gtk_main_quit();
-}
-
-void wxApp::ExitMainLoop()
-{
- if (gtk_main_level() > 0)
- gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
- return m_initialized;
-}
-
-bool wxApp::Pending()
-{
- return (gtk_events_pending() > 0);
-}
-
-void wxApp::Dispatch()
-{
- gtk_main_iteration();
-}
-
bool wxApp::Initialize(int& argc, wxChar **argv)
{
+ 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( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
- }
- else
- {
+ if (!g_thread_supported())
g_thread_init(NULL);
- }
#endif // wxUSE_THREADS
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;
- #else // GTK 1.x
- if (!wxOKlibc())
- wxConvCurrent = &wxConvLocal;
- #endif
+ // gtk+ 2.0 supports Unicode through UTF-8 strings
+ wxConvCurrent = &wxConvUTF8;
#else // !wxUSE_WCHAR_T
if (!wxOKlibc())
wxConvCurrent = (wxMBConv*) NULL;
#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+ // decide which conversion to use for the file names
+
+ // (1) this variable exists for the sole purpose of specifying the encoding
+ // 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"))
+ encName.clear();
+ encName.MakeUpper();
+#if wxUSE_INTL
+ if (encName.empty())
+ {
+ // (2) if a non default locale is set, assume that the user wants his
+ // filenames in this locale too
+ encName = wxLocale::GetSystemEncodingName().Upper();
+ // (3) finally use UTF-8 by default
+ if (encName.empty() || encName == _T("US-ASCII"))
+ encName = _T("UTF-8");
+ wxSetEnv(_T("G_FILENAME_ENCODING"), encName);
+ }
+#else
+ if (encName.empty())
+ encName = _T("UTF-8");
+#endif // wxUSE_INTL
+ static wxConvBrokenFileNames fileconv(encName);
+ wxConvFileName = &fileconv;
+
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
int i;
argvGTK[argc] = NULL;
int argcGTK = argc;
- gtk_init( &argcGTK, &argvGTK );
+
+#ifdef __WXGPE__
+ init_result = true; // is there a _check() version of this?
+ gpe_application_init( &argcGTK, &argvGTK );
+#else
+ init_result = gtk_init_check( &argcGTK, &argvGTK );
+#endif
if ( argcGTK != argc )
{
#else // !wxUSE_UNICODE
// gtk_init() shouldn't actually change argv itself (just its contents) so
// it's ok to pass pointer to it
- gtk_init( &argc, &argv );
+ init_result = gtk_init_check( &argc, &argv );
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+ if (!init_result) {
+ wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+ return false;
+ }
+
// we can not enter threads before gtk_init is done
gdk_threads_enter();
return false;
}
- wxSetDetectableAutoRepeat( TRUE );
+ wxSetDetectableAutoRepeat( true );
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
- wxGetRootWindow();
-
return true;
}
#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::RemoveIdleSource()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (m_idleTag != 0)
+ {
+ g_source_remove(m_idleTag);
+ m_idleTag = 0;
+ g_isIdle = true;
+ wxAddEmissionHook();
+ }
+}
projects / wxWidgets.git / blobdiff