/////////////////////////////////////////////////////////////////////////////
-// 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>
-#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"
-#include "wx/file.h"
-#include "wx/filename.h"
-
-#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
-#endif
-
-#include "wx/module.h"
-#include "wx/image.h"
-#ifdef __WXUNIVERSAL__
- #include "wx/univ/theme.h"
- #include "wx/univ/renderer.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/thread.h"
-#endif
-
-#include <unistd.h>
+#include "wx/thread.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
+#ifdef __WXGPE__
+ #include <gpe/init.h>
+#endif
#include "wx/gtk/win_gtk.h"
+#include "wx/gtk/private.h"
+#include "wx/apptrait.h"
-#include <gtk/gtk.h>
-
+#include <gdk/gdkx.h>
//-----------------------------------------------------------------------------
-// global data
+// link GnomeVFS
//-----------------------------------------------------------------------------
-wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-bool g_mainThreadLocked = FALSE;
-gint g_pendingTag = 0;
-
-static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
+#if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS
+ #include "wx/link.h"
+ wxFORCE_LINK_MODULE(gnome_vfs)
+#endif
//-----------------------------------------------------------------------------
-// idle system
+// global data
//-----------------------------------------------------------------------------
-extern bool g_isIdle;
-
-void wxapp_install_idle_handler();
-
-//-----------------------------------------------------------------------------
-// wxExit
-//-----------------------------------------------------------------------------
+bool g_mainThreadLocked = false;
-void wxExit()
-{
- gtk_main_quit();
-}
+static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
// 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;
-
- 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;
- }
+ wxIsInsideYield = true;
+#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())
+ while (EventsPending())
gtk_main_iteration();
// It's necessary to call ProcessIdle() to update the frames sizes which
// return value of Processidle().
ProcessIdle();
+#if wxUSE_LOG
// let the logs be flashed again
wxLog::Resume();
-
- wxIsInsideYield = FALSE;
-
- return TRUE;
-}
-
-//-----------------------------------------------------------------------------
-// wxWakeUpIdle
-//-----------------------------------------------------------------------------
-
-void wxWakeUpIdle()
-{
-#if wxUSE_THREADS
- if (!wxThread::IsMain())
- wxMutexGuiEnter();
#endif
- if (g_isIdle)
- wxapp_install_idle_handler();
+ wxIsInsideYield = false;
-#if wxUSE_THREADS
- if (!wxThread::IsMain())
- wxMutexGuiLeave();
-#endif
+ return true;
}
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-// the callback functions must be extern "C" to comply with GTK+ declarations
-extern "C"
-{
-
-static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
-{
- 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();
-
- // Return FALSE to indicate that no more idle events are
- // to be sent (single shot instead of continuous stream)
- return FALSE;
+// One-shot signal emission hook, to install idle handler.
+extern "C" {
+static gboolean
+wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data)
+{
+ wxApp* app = wxTheApp;
+ if (app != NULL)
+ app->WakeUpIdle();
+ gulong* hook_id = (gulong*)data;
+ // record that hook is not installed
+ *hook_id = 0;
+ // remove hook
+ return false;
+}
}
-static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+// Add signal emission hooks, to re-install idle handler when needed.
+static void wx_add_idle_hooks()
{
- if (!wxTheApp)
- return TRUE;
-
-#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() )
+ // "event" hook
{
- // But repaint the assertion message if necessary
- if (wxTopLevelWindows.GetCount() > 0)
+ static gulong hook_id = 0;
+ if (hook_id == 0)
{
- wxWindow* win = (wxWindow*) wxTopLevelWindows.Last()->Data();
- if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
- win->OnInternalIdle();
+ static guint sig_id = 0;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET);
+ hook_id = g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_id, NULL);
+ }
+ }
+ // "size_allocate" hook
+ // Needed to match the behavior of the old idle system,
+ // but probably not necessary.
+ {
+ static gulong hook_id = 0;
+ if (hook_id == 0)
+ {
+ static guint sig_id = 0;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("size_allocate", GTK_TYPE_WIDGET);
+ hook_id = g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_id, NULL);
}
- 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();
-
- // 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;
-
- // 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))
- ;
-
- // 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 wxUSE_THREADS
-
-#ifdef HAVE_POLL
- #define wxPoll poll
- #define wxPollFd pollfd
-#else // !HAVE_POLL
-
-typedef GPollFD wxPollFd;
+extern "C" {
+static gboolean wxapp_idle_callback(gpointer)
+{
+ return wxTheApp->DoIdle();
+}
+}
-int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
+bool wxApp::DoIdle()
{
- // 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;
- FD_ZERO(&readfds);
- FD_ZERO(&writefds);
- FD_ZERO(&exceptfds);
-
- unsigned int i;
- for ( i = 0; i < nfds; i++ )
+ guint id_save;
{
- wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
-
- if ( ufds[i].events & G_IO_IN )
- FD_SET(ufds[i].fd, &readfds);
-
- if ( ufds[i].events & G_IO_PRI )
- FD_SET(ufds[i].fd, &exceptfds);
-
- if ( ufds[i].events & G_IO_OUT )
- FD_SET(ufds[i].fd, &writefds);
-
- if ( ufds[i].fd > fdMax )
- fdMax = ufds[i].fd;
+ // 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(*m_idleMutex);
+#endif
+ id_save = m_idleSourceId;
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+#ifdef __WXDEBUG__
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this matches the behavior of wxMSW
+ if (m_isInAssert)
+ return false;
+#endif
}
- fdMax++;
- int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
+ gdk_threads_enter();
+ bool needMore;
+ do {
+ needMore = ProcessIdle();
+ } while (needMore && gtk_events_pending() == 0);
+ gdk_threads_leave();
- // translate the results back
- for ( i = 0; i < nfds; i++ )
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ // if a new idle source was added during ProcessIdle
+ if (m_idleSourceId != 0)
{
- ufds[i].revents = 0;
-
- if ( FD_ISSET(ufds[i].fd, &readfds ) )
- ufds[i].revents |= G_IO_IN;
-
- if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
- ufds[i].revents |= G_IO_PRI;
-
- if ( FD_ISSET(ufds[i].fd, &writefds ) )
- ufds[i].revents |= G_IO_OUT;
+ // remove it
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
}
-
- return res;
+ // if more idle processing requested
+ if (needMore)
+ {
+ // keep this source installed
+ m_idleSourceId = id_save;
+ return true;
+ }
+ // add hooks and remove this source
+ wx_add_idle_hooks();
+ return false;
}
-#endif // HAVE_POLL/!HAVE_POLL
+#if wxUSE_THREADS
+
+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()
-{
- 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 );
-
- // 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 );
-}
-
//-----------------------------------------------------------------------------
// Access to the root window global
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-
wxApp::wxApp()
{
- m_initialized = FALSE;
#ifdef __WXDEBUG__
- m_isInAssert = FALSE;
+ m_isInAssert = false;
#endif // __WXDEBUG__
-
- m_idleTag = 0;
- wxapp_install_idle_handler();
-
#if wxUSE_THREADS
- g_main_set_poll_func( wxapp_poll_func );
+ m_idleMutex = NULL;
#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_idleSourceId = 0;
}
wxApp::~wxApp()
{
- if (m_idleTag) gtk_idle_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)
+ if ( GetXVisualInfo() )
{
-#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
- // we make sure we get the best. This can sometimes be wasteful.
-
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++)
+ // 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()
{
GdkVisual *visual = NULL;
- if (m_glVisualInfo)
- visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo();
+ if ( xvi )
+ visual = gdkx_visual_get( xvi->visualid );
else
- visual = gdk_window_get_visual( wxGetRootWindow()->window );
+ visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
wxASSERT( visual );
return visual;
}
-bool wxApp::ProcessIdle()
+// use unusual names for the parameters to avoid conflict with wxApp::arg[cv]
+bool wxApp::Initialize(int& argc_, wxChar **argv_)
{
- wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
- node = wxTopLevelWindows.GetFirst();
- while (node)
- {
- wxWindow* win = node->GetData();
- CallInternalIdle( win );
+ if ( !wxAppBase::Initialize(argc_, argv_) )
+ return false;
- node = node->GetNext();
- }
-
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
+#if wxUSE_THREADS
+ if (!g_thread_supported())
+ g_thread_init(NULL);
- return event.MoreRequested();
-}
+ wxgs_poll_func = g_main_context_get_poll_func(NULL);
+ g_main_context_set_poll_func(NULL, wxapp_poll_func);
+#endif // wxUSE_THREADS
-void wxApp::OnIdle( wxIdleEvent &event )
-{
- static bool s_inOnIdle = FALSE;
+ // 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.CmpNoCase(_T("@locale")) == 0)
+ 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");
- // Avoid recursion (via ProcessEvent default case)
- if (s_inOnIdle)
- return;
+ // if wxUSE_INTL==0 it probably indicates that only "C" locale is supported
+ // by the program anyhow so prevent GTK+ from calling setlocale(LC_ALL, "")
+ // from gtk_init_check() as it does by default
+ gtk_disable_setlocale();
- s_inOnIdle = TRUE;
+#endif // wxUSE_INTL
+ static wxConvBrokenFileNames fileconv(encName);
+ wxConvFileName = &fileconv;
- // Resend in the main thread events which have been prepared in other
- // threads
- ProcessPendingEvents();
- // 'Garbage' collection of windows deleted with Close()
- DeletePendingObjects();
+ bool init_result;
+ int i;
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+#if wxUSE_UNICODE
+ // gtk_init() wants UTF-8, not wchar_t, so convert
+ char **argvGTK = new char *[argc_ + 1];
+ for ( i = 0; i < argc_; i++ )
+ {
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i]));
+ }
- if (needMore)
- event.RequestMore(TRUE);
+ argvGTK[argc_] = NULL;
- s_inOnIdle = FALSE;
-}
+ int argcGTK = argc_;
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
+#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
+ wxUpdateLocaleIsUtf8();
- wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
- while (node)
+ if ( argcGTK != argc_ )
{
- wxWindow* win = node->GetData();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ // 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)*sizeof(*argv_));
+ }
+ }
- node = node->GetNext();
+ argc_ = argcGTK;
}
+ //else: gtk_init() didn't modify our parameters
- return needMore;
-}
-
-bool wxApp::CallInternalIdle( wxWindow* win )
-{
- win->OnInternalIdle();
-
- wxNode* node = win->GetChildren().First();
- while (node)
+ // free our copy
+ for ( i = 0; i < argcGTK; i++ )
{
- wxWindow* win = (wxWindow*) node->Data();
- CallInternalIdle( win );
-
- node = node->Next();
+ free(argvGTK[i]);
}
- return TRUE;
-}
-
-bool wxApp::SendIdleEvents( wxWindow* win )
-{
- bool needMore = FALSE;
-
- wxIdleEvent event;
- event.SetEventObject(win);
+ 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
- win->GetEventHandler()->ProcessEvent(event);
+ // update internal arg[cv] as GTK+ may have removed processed options:
+ this->argc = argc_;
+ this->argv = argv_;
- if (event.MoreRequested())
- needMore = TRUE;
-
- wxNode* node = win->GetChildren().First();
- while (node)
+ if ( m_traits )
{
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ // if there are still GTK+ standard options unparsed in the command
+ // line, it means that they were not syntactically correct and GTK+
+ // already printed a warning on the command line and we should now
+ // exit:
+ wxArrayString opt, desc;
+ m_traits->GetStandardCmdLineOptions(opt, desc);
+
+ for ( i = 0; i < argc_; i++ )
+ {
+ // leave just the names of the options with values
+ const wxString str = wxString(argv_[i]).BeforeFirst('=');
- node = node->Next();
+ for ( size_t j = 0; j < opt.size(); j++ )
+ {
+ // remove the leading spaces from the option string as it does
+ // have them
+ if ( opt[j].Trim(false).BeforeFirst('=') == str )
+ {
+ // a GTK+ option can be left on the command line only if
+ // there was an error in (or before, in another standard
+ // options) it, so abort, just as we do if incorrect
+ // program option is given
+ wxLogError(_("Invalid GTK+ command line option, use \"%s --help\""),
+ argv_[0]);
+ return false;
+ }
+ }
+ }
}
- return needMore;
-}
-
-int wxApp::MainLoop()
-{
- gtk_main();
- return 0;
-}
-
-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();
-}
-
-void wxApp::DeletePendingObjects()
-{
- wxNode *node = wxPendingDelete.First();
- while (node)
+ if ( !init_result )
{
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
-
- if (wxPendingDelete.Find(obj))
- delete node;
-
- node = wxPendingDelete.First();
+ wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?"));
+ return false;
}
-}
-bool wxApp::Initialize()
-{
- wxClassInfo::InitializeClasses();
-
- // 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();
-#endif
-
- wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
- wxTheColourDatabase->Initialize();
-
- wxInitializeStockLists();
- wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
+ // we can not enter threads before gtk_init is done
+ gdk_threads_enter();
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules())
- return FALSE;
+ wxSetDetectableAutoRepeat( true );
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
- return TRUE;
-}
-
-void wxApp::CleanUp()
-{
- wxModule::CleanUpModules();
-
-#if wxUSE_WX_RESOURCES
- wxCleanUpResourceSystem();
-#endif
-
- delete wxTheColourDatabase;
- wxTheColourDatabase = (wxColourDatabase*) NULL;
-
- wxDeleteStockObjects();
-
- wxDeleteStockLists();
-
- delete wxTheApp;
- wxTheApp = (wxApp*) NULL;
-
- wxClassInfo::CleanUpClasses();
-
#if wxUSE_THREADS
- delete wxPendingEvents;
- delete wxPendingEventsLocker;
+ m_idleMutex = new wxMutex;
#endif
+ // make sure GtkWidget type is loaded, idle hooks need it
+ g_type_class_ref(GTK_TYPE_WIDGET);
+ WakeUpIdle();
- // check for memory leaks
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
- {
- wxLogDebug(wxT("There were memory leaks.\n"));
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
-#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;
-#endif // wxUSE_LOG
+ return true;
}
-//-----------------------------------------------------------------------------
-// wxEntry
-//-----------------------------------------------------------------------------
-
-// NB: argc and argv may be changed here, pass by reference!
-int wxEntryStart( int& argc, char *argv[] )
+void wxApp::CleanUp()
{
+ if (m_idleSourceId != 0)
+ g_source_remove(m_idleSourceId);
#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
- {
- g_thread_init(NULL);
- }
+ delete m_idleMutex;
+ m_idleMutex = NULL;
#endif
+ // release reference acquired by Initialize()
+ g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET));
- 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
- if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
-#endif
-#else
- if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
-#endif
-
- gdk_threads_enter();
-
- gtk_init( &argc, &argv );
-
- wxSetDetectableAutoRepeat( TRUE );
-
- if (!wxApp::Initialize())
- {
- gdk_threads_leave();
- return -1;
- }
-
- return 0;
-}
-
-
-int wxEntryInitGui()
-{
- int retValue = 0;
-
- if ( !wxTheApp->OnInitGui() )
- retValue = -1;
-
- wxGetRootWindow();
+ gdk_threads_leave();
- return retValue;
+ wxAppBase::CleanUp();
}
-
-void wxEntryCleanup()
+void wxApp::WakeUpIdle()
{
-#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();
-
- gdk_threads_leave();
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ if (m_idleSourceId == 0)
+ m_idleSourceId = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL);
}
-
-int wxEntry( int argc, char *argv[] )
+// Checking for pending events requires first removing our idle source,
+// otherwise it will cause the check to always return true.
+bool wxApp::EventsPending()
{
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- // This seems to be necessary since there are 'rogue'
- // objects present at this point (perhaps global objects?)
- // Setting a checkpoint will ignore them as far as the
- // memory checking facility is concerned.
- // Of course you may argue that memory allocated in globals should be
- // checked, but this is a reasonable compromise.
- wxDebugContext::SetCheckpoint();
-#endif
- int err = wxEntryStart(argc, argv);
- if (err)
- return err;
-
- if (!wxTheApp)
- {
- wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
- wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
-
- wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
-
- wxObject *test_app = app_ini();
-
- wxTheApp = (wxApp*) test_app;
- }
-
- wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
-
- wxTheApp->argc = argc;
-#if wxUSE_UNICODE
- wxTheApp->argv = new wxChar*[argc+1];
- int mb_argc = 0;
- while (mb_argc < argc)
- {
- wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
- mb_argc++;
- }
- wxTheApp->argv[mb_argc] = (wxChar *)NULL;
-#else
- wxTheApp->argv = argv;
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
#endif
-
- if (wxTheApp->argc > 0)
+ if (m_idleSourceId != 0)
{
- wxFileName fname( wxTheApp->argv[0] );
- wxTheApp->SetAppName( fname.GetName() );
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
}
-
- int retValue;
- retValue = wxEntryInitGui();
-
- // Here frames insert themselves automatically into wxTopLevelWindows by
- // getting created in OnInit().
- if ( retValue == 0 )
- {
- if ( !wxTheApp->OnInit() )
- retValue = -1;
- }
-
- if ( retValue == 0 )
- {
- // Delete pending toplevel windows
- wxTheApp->DeletePendingObjects();
-
- // When is the app not initialized ?
- wxTheApp->m_initialized = TRUE;
-
- if (wxTheApp->Initialized())
- {
- wxTheApp->OnRun();
-
- wxWindow *topWindow = wxTheApp->GetTopWindow();
-
- // Delete all pending windows if any
- wxTheApp->DeletePendingObjects();
-
- // Reset top window
- if (topWindow)
- wxTheApp->SetTopWindow( (wxWindow*) NULL );
-
- retValue = wxTheApp->OnExit();
- }
- }
-
- wxEntryCleanup();
-
- return retValue;
+ return gtk_events_pending() != 0;
}
#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;
- m_isInAssert = FALSE;
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
+
+ m_isInAssert = false;
}
#endif // __WXDEBUG__
-
projects / wxWidgets.git / blobdiff