/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk/app.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
+#ifdef __VMS
+// 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"
-
-#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
-#endif
-#include "wx/module.h"
-#include "wx/image.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
-#if wxUSE_THREADS
+#include "wx/file.h"
+#include "wx/filename.h"
#include "wx/thread.h"
+
+#ifdef __WXGPE__
+ #include <gpe/init.h>
#endif
-#include "unistd.h"
+#ifdef __WXUNIVERSAL__
+ #include "wx/univ/theme.h"
+ #include "wx/univ/renderer.h"
+#endif
-#include "glib.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#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>
+ #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 <gdk/gdkx.h>
//-----------------------------------------------------------------------------
-// global data
+// link GnomeVFS
//-----------------------------------------------------------------------------
-extern wxCursor g_globalCursor;
+#if wxUSE_LIBGNOMEVFS
+#include "wx/html/forcelnk.h"
+FORCE_LINK(gnome_vfs)
+#endif
-wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+//-----------------------------------------------------------------------------
+// global data
+//-----------------------------------------------------------------------------
-#if wxUSE_THREADS
-extern wxList *wxPendingEvents;
-extern wxCriticalSection *wxPendingEventsLocker;
-#endif
-extern wxResourceCache *wxTheResourceCache;
-extern bool g_isIdle;
+bool g_mainThreadLocked = false;
-unsigned char g_palette[64*3] =
-{
- 0x0, 0x0, 0x0,
- 0xff, 0xff, 0xff,
- 0xff, 0x0, 0x0,
- 0xff, 0xff, 0x0,
- 0x0, 0xff, 0x0,
- 0x0, 0x0, 0xff,
- 0x0, 0xff, 0xff,
- 0x99, 0x99, 0x99,
- 0xff, 0x88, 0x0,
- 0x88, 0x0, 0x0,
- 0x0, 0x88, 0x88,
- 0x88, 0x88, 0x0,
- 0xff, 0xcc, 0x97,
- 0xbb, 0xbb, 0xbb,
- 0x9f, 0x6b, 0x42,
- 0x55, 0x55, 0x55,
- 0xdd, 0xdd, 0xdd,
- 0x77, 0x77, 0x77,
- 0x33, 0x33, 0x33,
- 0xcc, 0x0, 0x0,
- 0xff, 0x44, 0x0,
- 0xff, 0xcc, 0x0,
- 0xcc, 0xcc, 0x0,
- 0x60, 0x60, 0x0,
- 0x0, 0x43, 0x0,
- 0x0, 0x7f, 0x0,
- 0x0, 0xcc, 0x0,
- 0x0, 0x44, 0x44,
- 0x0, 0x0, 0x44,
- 0x0, 0x0, 0x88,
- 0xef, 0xb1, 0x7b,
- 0xdf, 0x98, 0x5f,
- 0xbf, 0x87, 0x56,
- 0x7f, 0x57, 0x26,
- 0x5f, 0x39, 0xc,
- 0x3f, 0x1c, 0x0,
- 0x21, 0x0, 0x0,
- 0x0, 0x43, 0x87,
- 0x2d, 0x70, 0xaf,
- 0x5a, 0x9e, 0xd7,
- 0x87, 0xcc, 0xff,
- 0xff, 0xe0, 0xba,
- 0x21, 0x43, 0xf,
- 0x3d, 0x5d, 0x25,
- 0x59, 0x78, 0x3a,
- 0x75, 0x93, 0x4f,
- 0x91, 0xae, 0x64,
- 0xad, 0xc8, 0x7a,
- 0xf0, 0xa8, 0xef,
- 0xd0, 0x88, 0xd0,
- 0xaf, 0x66, 0xaf,
- 0x8e, 0x44, 0x8e,
- 0x6d, 0x22, 0x6d,
- 0x4b, 0x0, 0x4b,
- 0xff, 0xc0, 0xbc,
- 0xff, 0x93, 0x91,
- 0xff, 0x66, 0x67,
- 0xd8, 0xf2, 0xbf,
- 0xff, 0xc9, 0x68,
- 0xff, 0x96, 0x67,
- 0xa5, 0x60, 0xff,
- 0x51, 0xff, 0x99,
- 0x3f, 0xa5, 0x63,
- 0x98, 0x90, 0x67
-};
+static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
-// local functions
+// idle system
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+void wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
//-----------------------------------------------------------------------------
-// global functions
+// wxYield
//-----------------------------------------------------------------------------
-void wxExit()
-{
- gtk_main_quit();
-}
-
-/* forward declaration */
-gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+// not static because used by textctrl.cpp
+//
+// MT-FIXME
+bool wxIsInsideYield = false;
-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)
{
- /* 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()) { }
-
-#if 0
- for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
- node;
- node = node->GetNext() )
+ if ( wxIsInsideYield )
{
- wxWindow *win = node->GetData();
- win->OnInternalIdle();
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return false;
}
-#endif
- if (wxTheApp->m_idleTag)
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
{
- /* We need to temporarily remove idle callbacks or the loop will
- never finish. */
- gtk_idle_remove( wxTheApp->m_idleTag );
- wxTheApp->m_idleTag = 0;
+ // can't call gtk_main_iteration() from other threads like this
+ return true;
+ }
+#endif // wxUSE_THREADS
- while (gtk_events_pending())
- gtk_main_iteration();
+ wxIsInsideYield = true;
- /* re-add idle handler */
- wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
- }
- else
- {
- while (gtk_events_pending())
- gtk_main_iteration();
- }
-
- return TRUE;
-}
+ // We need to remove idle callbacks or the loop will
+ // never finish.
+ RemoveIdleSource();
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
-{
- if (!wxTheApp) return TRUE;
-
-#if (GTK_MINOR_VERSION > 0)
- /* when getting called from GDK's idle handler we
- are no longer within GDK's grab on the GUI
- thread so we must lock it here ourselves */
- GDK_THREADS_ENTER ();
-#endif
-
- /* sent idle event to all who request them */
- while (wxTheApp->ProcessIdle()) { }
-
- /* we don't want any more idle events until the next event is
- sent to wxGTK */
- gtk_idle_remove( wxTheApp->m_idleTag );
- wxTheApp->m_idleTag = 0;
-
- /* indicate that we are now in idle mode - even so deeply
- in idle mode that we don't get any idle events anymore.
- this is like wxMSW where an idle event is sent only
- once each time after the event queue has been completely
- emptied */
- g_isIdle = TRUE;
-
-#if (GTK_MINOR_VERSION > 0)
- /* release lock again */
- GDK_THREADS_LEAVE ();
+#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
- return TRUE;
-}
+ while (gtk_events_pending())
+ gtk_main_iteration();
-void wxapp_install_idle_handler()
-{
- wxASSERT_MSG( wxTheApp->m_idleTag == 0, _T("attempt to install idle handler twice") );
+ // 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). But we
+ // call ProcessIdle() only once since this is not meant for longish
+ // background jobs (controlled by wxIdleEvent::RequestMore() and the
+ // return value of Processidle().
+ ProcessIdle();
- /* this routine gets called by all event handlers
- indicating that the idle is over. */
+#if wxUSE_LOG
+ // let the logs be flashed again
+ wxLog::Resume();
+#endif
- wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
-
- g_isIdle = FALSE;
-}
+ wxIsInsideYield = false;
-#if wxUSE_THREADS
-static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
-{
- gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
- wxTheApp->m_wakeUpTimerTag = 0;
-
-#if (GTK_MINOR_VERSION > 0)
- /* 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 ();
-#endif
-
- /* unblock other threads wishing to do some GUI things */
- wxMutexGuiLeave();
-
- /* wake up other threads */
- wxUsleep( 1 );
-
- /* block other thread again */
- wxMutexGuiEnter();
-
-#if (GTK_MINOR_VERSION > 0)
- /* release lock again */
- GDK_THREADS_LEAVE ();
-#endif
-
- wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL );
-
- return TRUE;
+ return true;
}
-#endif
//-----------------------------------------------------------------------------
-// wxApp
+// wxWakeUpIdle
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+// RR/KH: No wxMutexGui calls are needed here according to the GTK faq,
+// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent.
-wxApp::wxApp()
+void wxApp::WakeUpIdle()
{
- wxTheApp = this;
+ wxapp_install_idle_handler();
+}
- m_topWindow = (wxWindow *) NULL;
- m_exitOnFrameDelete = TRUE;
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
- m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
-
-#if wxUSE_THREADS
- m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL );
-#endif
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
+{
- m_colorCube = (unsigned char*) NULL;
+// 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)
+{
+ wxapp_install_idle_handler();
+ // remove hook
+ return false;
}
-wxApp::~wxApp()
+static inline void wxAddEmissionHook()
{
- if (m_idleTag) gtk_idle_remove( m_idleTag );
-
-#if wxUSE_THREADS
- if (m_wakeUpTimerTag) gtk_timeout_remove( m_wakeUpTimerTag );
-#endif
-
- if (m_colorCube) free(m_colorCube);
+ // 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);
}
-bool wxApp::OnInitGui()
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
- /* Nothing to do for 15, 16, 24, 32 bit displays */
-
- GdkVisual *visual = gdk_visual_get_system();
- if (visual->depth > 8) return TRUE;
-
- /* this initiates the standard palette as defined by GdkImlib
- in the GNOME libraries. it ensures that all GNOME applications
- use the same 64 colormap entries on 8-bit displays so you
- can use several rather graphics-heavy applications at the
- same time.
- NOTE: this doesn't really seem to work this way... */
-
- /*
- GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
-
- for (int i = 0; i < 64; i++)
- {
- GdkColor col;
- col.red = g_palette[i*3 + 0] << 8;
- col.green = g_palette[i*3 + 1] << 8;
- col.blue = g_palette[i*3 + 2] << 8;
- col.pixel = 0;
-
- gdk_color_alloc( cmap, &col );
- }
-
- gtk_widget_set_default_colormap( cmap );
- */
+ if (!wxTheApp)
+ 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() )
+ return false;
+#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 wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ g_isIdle = true;
+ wxTheApp->m_idleTag = 0;
+ }
- /* initialize color cube for 8-bit color reduction dithering */
+ bool moreIdles;
- GdkColormap *cmap = gtk_widget_get_default_colormap();
+ // 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)
+ ;
- m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
+ // Release lock again
+ gdk_threads_leave();
- 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;
- }
- }
- }
+ if (!moreIdles)
+ wxAddEmissionHook();
- return TRUE;
+ // Return FALSE if no more idle events are to be sent
+ return moreIdles;
}
-bool wxApp::ProcessIdle()
-{
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
+#if wxUSE_THREADS
- return event.MoreRequested();
-}
+#ifdef HAVE_POLL
+ #define wxPoll poll
+ #define wxPollFd pollfd
+#else // !HAVE_POLL
-void wxApp::OnIdle( wxIdleEvent &event )
-{
- static bool inOnIdle = FALSE;
+typedef GPollFD wxPollFd;
- /* Avoid recursion (via ProcessEvent default case) */
- if (inOnIdle)
- return;
+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") );
- inOnIdle = TRUE;
+ if ( ufds[i].events & G_IO_IN )
+ wxFD_SET(ufds[i].fd, &readfds);
-#if wxUSE_THREADS
- /* Resend in the main thread events which have been prepared in other
- threads */
- ProcessPendingEvents();
-#endif
+ if ( ufds[i].events & G_IO_PRI )
+ wxFD_SET(ufds[i].fd, &exceptfds);
- /* 'Garbage' collection of windows deleted with Close(). */
- DeletePendingObjects();
+ if ( ufds[i].events & G_IO_OUT )
+ wxFD_SET(ufds[i].fd, &writefds);
- /* flush the logged messages if any */
-#if wxUSE_LOG
- wxLog *log = wxLog::GetActiveTarget();
- if (log != NULL && log->HasPendingMessages())
- log->Flush();
-#endif // wxUSE_LOG
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
- /* Send OnIdle events to all windows */
- bool needMore = SendIdleEvents();
+ fdMax++;
+ int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
- if (needMore)
- event.RequestMore(TRUE);
+ // translate the results back
+ for ( i = 0; i < nfds; i++ )
+ {
+ ufds[i].revents = 0;
- inOnIdle = FALSE;
-}
+ if ( wxFD_ISSET(ufds[i].fd, &readfds ) )
+ ufds[i].revents |= G_IO_IN;
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
+ if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )
+ ufds[i].revents |= G_IO_PRI;
- wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
- while (node)
- {
- wxWindow* win = node->GetData();
- if (SendIdleEvents(win))
- needMore = TRUE;
- node = node->GetNext();
+ if ( wxFD_ISSET(ufds[i].fd, &writefds ) )
+ ufds[i].revents |= G_IO_OUT;
}
- return needMore;
+ return res;
}
-bool wxApp::SendIdleEvents( wxWindow* win )
-{
- bool needMore = FALSE;
-
- wxIdleEvent event;
- event.SetEventObject(win);
-
- win->OnInternalIdle();
+#endif // HAVE_POLL/!HAVE_POLL
- win->ProcessEvent(event);
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
+{
+ gdk_threads_enter();
- if (event.MoreRequested())
- needMore = TRUE;
+ wxMutexGuiLeave();
+ g_mainThreadLocked = true;
- wxNode* node = win->GetChildren().First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = 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 );
- node = node->Next();
- }
- return needMore ;
-}
+ wxMutexGuiEnter();
+ g_mainThreadLocked = false;
-int wxApp::MainLoop()
-{
- gtk_main();
- return 0;
-}
+ gdk_threads_leave();
-void wxApp::ExitMainLoop()
-{
- gtk_main_quit();
+ return res;
}
-bool wxApp::Initialized()
-{
- return m_initialized;
-}
+#endif // wxUSE_THREADS
-bool wxApp::Pending()
-{
- return (gtk_events_pending() > 0);
-}
+} // extern "C"
-void wxApp::Dispatch()
+void wxapp_install_idle_handler()
{
- gtk_main_iteration();
-}
-
#if wxUSE_THREADS
-void wxApp::ProcessPendingEvents()
-{
- wxNode *node = wxPendingEvents->First();
- wxCriticalSectionLocker locker(*wxPendingEventsLocker);
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
- while (node)
- {
- wxEvtHandler *handler = (wxEvtHandler *)node->Data();
+ // Don't install the handler if it's already installed. This test *MUST*
+ // be done when gs_idleTagsMutex is locked!
+ if (!g_isIdle)
+ return;
- handler->ProcessPendingEvents();
+ // 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( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") );
- delete node;
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
- node = wxPendingEvents->First();
- }
+ 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(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL);
}
-#endif // wxUSE_THREADS
-void wxApp::DeletePendingObjects()
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
+
+GtkWidget* wxGetRootWindow()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
+ if (gs_RootWindow == NULL)
{
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
-
- if (wxPendingDelete.Find(obj))
- delete node;
-
- node = wxPendingDelete.First();
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
}
+ return gs_RootWindow;
}
-wxWindow *wxApp::GetTopWindow()
-{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.GetCount() > 0)
- return wxTopLevelWindows.GetFirst()->GetData();
- else
- return NULL;
-}
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
-void wxApp::SetTopWindow( wxWindow *win )
-{
- m_topWindow = win;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-bool wxApp::Initialize()
-{
- wxBuffer = new wxChar[BUFSIZ + 512];
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxAppBase::OnIdle)
+END_EVENT_TABLE()
- wxClassInfo::InitializeClasses();
+wxApp::wxApp()
+{
+#ifdef __WXDEBUG__
+ m_isInAssert = false;
+#endif // __WXDEBUG__
- wxSystemSettings::Init();
+ m_idleTag = 0;
+ g_isIdle = true;
+ wxapp_install_idle_handler();
- // 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.
#if wxUSE_THREADS
- wxPendingEvents = new wxList();
- wxPendingEventsLocker = new wxCriticalSection();
+ g_main_context_set_poll_func( NULL, wxapp_poll_func );
#endif
-/*
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
-*/
+ // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
+ m_glVisualInfo = (void *) NULL;
+ m_glFBCInfo = (void *) NULL;
+}
- wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
- wxTheColourDatabase->Initialize();
+wxApp::~wxApp()
+{
+ if (m_idleTag)
+ g_source_remove( m_idleTag );
+}
- wxInitializeStockLists();
- wxInitializeStockObjects();
+bool wxApp::OnInitGui()
+{
+ if ( !wxAppBase::OnInitGui() )
+ return false;
-#if wxUSE_WX_RESOURCES
- wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
+ // 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();
- wxInitializeResourceSystem();
-#endif
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
- wxImage::InitStandardHandlers();
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
- g_globalCursor = wxCursor(wxCURSOR_DEFAULT);
+ 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();
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
- return TRUE;
+ return true;
}
-void wxApp::CleanUp()
+GdkVisual *wxApp::GetGdkVisual()
{
- wxModule::CleanUpModules();
+ GdkVisual *visual = NULL;
-#if wxUSE_WX_RESOURCES
- wxFlushResources();
+ if (m_glVisualInfo)
+ visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ else
+ visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
- if (wxTheResourceCache)
- delete wxTheResourceCache;
- wxTheResourceCache = (wxResourceCache*) NULL;
+ wxASSERT( visual );
- wxCleanUpResourceSystem();
-#endif
+ return visual;
+}
- if (wxTheColourDatabase)
- delete wxTheColourDatabase;
- wxTheColourDatabase = (wxColourDatabase*) NULL;
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+ bool init_result;
-/*
- if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
- wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-*/
+#if wxUSE_THREADS
+ if (!g_thread_supported())
+ g_thread_init(NULL);
+#endif // wxUSE_THREADS
- wxDeleteStockObjects();
+ gtk_set_locale();
- wxDeleteStockLists();
+ // We should have the wxUSE_WCHAR_T test on the _outside_
+#if wxUSE_WCHAR_T
+ // 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;
+ char **argvGTK = new char *[argc + 1];
+ for ( i = 0; i < argc; i++ )
+ {
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
+ }
- wxImage::CleanUpHandlers();
+ argvGTK[argc] = NULL;
- delete wxTheApp;
- wxTheApp = (wxApp*) NULL;
+ int argcGTK = argc;
- // 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.
-#if wxUSE_THREADS
- delete wxPendingEvents;
- delete wxPendingEventsLocker;
+#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
- wxSystemSettings::Done();
-
- delete[] wxBuffer;
+ if ( argcGTK != argc )
+ {
+ // we have to drop the parameters which were consumed by GTK+
+ for ( i = 0; i < argcGTK; i++ )
+ {
+ while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
+ {
+ memmove(argv + i, argv + i + 1, argc - i);
+ }
+ }
- wxClassInfo::CleanUpClasses();
+ argc = argcGTK;
+ }
+ //else: gtk_init() didn't modify our parameters
- // check for memory leaks
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- if (wxDebugContext::CountObjectsLeft() > 0)
+ // free our copy
+ for ( i = 0; i < argcGTK; i++ )
{
- wxLogDebug(_T("There were memory leaks.\n"));
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
+ free(argvGTK[i]);
}
-#endif // Debug
-
-#if wxUSE_LOG
- // do this as the very last thing because everything else can log messages
- wxLog::DontCreateOnDemand();
-
- wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
- if (oldLog)
- delete oldLog;
-}
-
-wxLog *wxApp::CreateLogTarget()
-{
- return new wxLogGui;
-}
-#endif // wxUSE_LOG
-//-----------------------------------------------------------------------------
-// wxEntry
-//-----------------------------------------------------------------------------
+ delete [] argvGTK;
+#else // !wxUSE_UNICODE
+ // gtk_init() shouldn't actually change argv itself (just its contents) so
+ // it's ok to pass pointer to it
+ init_result = gtk_init_check( &argc, &argv );
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
-int wxEntry( int argc, char *argv[] )
-{
- gtk_set_locale();
+ if (!init_result) {
+ wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+ return false;
+ }
- if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+ // we can not enter threads before gtk_init is done
+ gdk_threads_enter();
- gtk_init( &argc, &argv );
+ if ( !wxAppBase::Initialize(argc, argv) )
+ {
+ gdk_threads_leave();
- wxSetDetectableAutoRepeat( TRUE );
-
- if (!wxApp::Initialize())
- return -1;
+ return false;
+ }
- if (!wxTheApp)
- {
- wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
- _T("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
+ wxSetDetectableAutoRepeat( true );
- wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
- wxObject *test_app = app_ini();
+ return true;
+}
- wxTheApp = (wxApp*) test_app;
- }
+void wxApp::CleanUp()
+{
+ gdk_threads_leave();
- wxCHECK_MSG( wxTheApp, -1, _T("wxWindows error: no application object") );
+ wxAppBase::CleanUp();
+}
- wxTheApp->argc = argc;
- wxTheApp->argv = argv;
+#ifdef __WXDEBUG__
- wxString name(wxFileNameFromPath(argv[0]));
- wxStripExtension( name );
- wxTheApp->SetAppName( name );
+void wxApp::OnAssertFailure(const wxChar *file,
+ int line,
+ const wxChar* func,
+ const wxChar* cond,
+ const wxChar *msg)
+{
+ m_isInAssert = true;
- int retValue = 0;
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
- if ( !wxTheApp->OnInitGui() )
- retValue = -1;
+ m_isInAssert = false;
+}
- // Here frames insert themselves automatically into wxTopLevelWindows by
- // getting created in OnInit().
- if ( retValue == 0 )
- {
- if ( !wxTheApp->OnInit() )
- retValue = -1;
- }
+#endif // __WXDEBUG__
- if ( retValue == 0 )
+void wxApp::RemoveIdleSource()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (m_idleTag != 0)
{
- /* delete pending toplevel windows (typically a single
- dialog) so that, if there isn't any left, we don't
- call OnRun() */
- wxTheApp->DeletePendingObjects();
-
- wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
-
- if (wxTheApp->Initialized())
- {
- retValue = wxTheApp->OnRun();
-
- wxWindow *topWindow = wxTheApp->GetTopWindow();
- if (topWindow)
- {
- /* Forcibly delete the window. */
- if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
- topWindow->IsKindOf(CLASSINFO(wxDialog)) )
- {
- topWindow->Close( TRUE );
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete topWindow;
- wxTheApp->SetTopWindow( (wxWindow*) NULL );
- }
- }
- wxTheApp->OnExit();
- }
+ g_source_remove(m_idleTag);
+ m_idleTag = 0;
+ g_isIdle = true;
+ wxAddEmissionHook();
}
-
-#if wxUSE_LOG
- // flush the logged messages if any
- wxLog *log = wxLog::GetActiveTarget();
- if (log != NULL && log->HasPendingMessages())
- log->Flush();
-
- // continuing to use user defined log target is unsafe from now on because
- // some resources may be already unavailable, so replace it by something
- // more safe
- wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
- if ( oldlog )
- delete oldlog;
-#endif // wxUSE_LOG
-
- wxApp::CleanUp();
-
- return retValue;
}
-
projects / wxWidgets.git / blobdiff