/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk1/app.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/app.h"
-#ifdef __VMS
-#include <vms_jackets.h>
-#undef ConnectionNumber
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/dialog.h"
+ #include "wx/settings.h"
+ #include "wx/msgdlg.h"
+ #include "wx/memory.h"
+ #include "wx/font.h"
+ #include "wx/gdicmn.h"
+ #include "wx/image.h"
+ #include "wx/module.h"
#endif
-#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>
+#endif
#ifdef __WXUNIVERSAL__
#include "wx/univ/theme.h"
#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/gtk/win_gtk.h"
+#include "wx/unix/private.h"
+#include "wx/gtk1/win_gtk.h"
#include <gtk/gtk.h>
-
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
-bool g_mainThreadLocked = FALSE;
+bool g_mainThreadLocked = false;
gint g_pendingTag = 0;
-static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
+static GtkWidget *gs_RootWindow = NULL;
//-----------------------------------------------------------------------------
// idle system
void wxapp_install_idle_handler();
-//-----------------------------------------------------------------------------
-// wxYield
-//-----------------------------------------------------------------------------
-
-// not static because used by textctrl.cpp
-//
-// MT-FIXME
-bool wxIsInsideYield = FALSE;
-
-bool wxApp::Yield(bool onlyIfNeeded)
-{
- if ( wxIsInsideYield )
- {
- if ( !onlyIfNeeded )
- {
- wxFAIL_MSG( wxT("wxYield called recursively" ) );
- }
-
- return FALSE;
- }
-
#if wxUSE_THREADS
- if ( !wxThread::IsMain() )
- {
- // can't call gtk_main_iteration() from other threads like this
- 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;
- }
-
- // disable log flushing from here because a call to wxYield() shouldn't
- // normally result in message boxes popping up &c
- wxLog::Suspend();
-
- while (gtk_events_pending())
- gtk_main_iteration();
-
- // 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();
-
- // let the logs be flashed again
- wxLog::Resume();
-
- wxIsInsideYield = FALSE;
+static wxMutex gs_idleTagsMutex;
+#endif
- return TRUE;
-}
//-----------------------------------------------------------------------------
// wxWakeUpIdle
//-----------------------------------------------------------------------------
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary. The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
+
void wxApp::WakeUpIdle()
{
#if wxUSE_THREADS
if (!wxThread::IsMain())
wxMutexGuiEnter();
-#endif
+#endif // wxUSE_THREADS
- if (g_isIdle)
- wxapp_install_idle_handler();
+ wxapp_install_idle_handler();
#if wxUSE_THREADS
if (!wxThread::IsMain())
wxMutexGuiLeave();
-#endif
+#endif // wxUSE_THREADS
}
//-----------------------------------------------------------------------------
// Sent idle event to all who request them.
wxTheApp->ProcessPendingEvents();
- g_pendingTag = 0;
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ g_pendingTag = 0;
+ }
// Flush the logged messages if any.
#if wxUSE_LOG
if (!wxTheApp)
return TRUE;
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
// 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 (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;
}
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
// When getting called from GDK's time-out handler
// we are no longer within GDK's grab on the GUI
// 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;
+ }
// Send idle event to all who request them as long as
// no events have popped up in the event queue.
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 < FD_SETSIZE, wxT("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;
+ g_isIdle = false;
if (g_pendingTag == 0)
g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
}
+static bool wxOKlibc()
+{
+#if defined(__UNIX__) && defined(__GLIBC__)
+ // glibc 2.0 uses UTF-8 even when it shouldn't
+ wchar_t res = 0;
+ if ((MB_CUR_MAX == 2) &&
+ (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
+ (res==0x765))
+ {
+ // this is UTF-8 allright, check whether that's what we want
+ char *cur_locale = setlocale(LC_CTYPE, NULL);
+ if ((strlen(cur_locale) < 4) ||
+ (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
+ (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
+ // nope, don't use libc conversion
+ return false;
+ }
+ }
+#endif
+ return true;
+}
+
//-----------------------------------------------------------------------------
// 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;
-#endif // __WXDEBUG__
+ m_isInAssert = false;
m_idleTag = 0;
+ g_isIdle = TRUE;
wxapp_install_idle_handler();
#if wxUSE_THREADS
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_glVisualInfo = NULL;
+ m_glFBCInfo = NULL;
}
wxApp::~wxApp()
bool wxApp::OnInitGui()
{
if ( !wxAppBase::OnInitGui() )
- return FALSE;
+ return false;
GdkVisual *visual = gdk_visual_get_system();
// 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 );
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 );
}
}
- return TRUE;
+ return true;
}
GdkVisual *wxApp::GetGdkVisual()
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 );
-
- wxUpdateUIEvent::ResetUpdateTime();
-
- 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" );
+ printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
}
else
{
- g_thread_init(NULL);
+ 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
-#else // !wxUSE_WCHAR_T
if (!wxOKlibc())
- wxConvCurrent = (wxMBConv*) NULL;
-#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+ wxConvCurrent = &wxConvLocal;
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
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
- // we can not enter threads before gtk_init is done
+ if (!init_result) {
+ wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+ return false;
+ }
+
+ // we cannot enter threads before gtk_init is done
gdk_threads_enter();
if ( !wxAppBase::Initialize(argc, argv) )
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
- wxGetRootWindow();
-
return true;
}
wxAppBase::CleanUp();
}
-#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);
-
- m_isInAssert = FALSE;
+ // there is no need to do anything if asserts are disabled in this build
+ // anyhow
+#if wxDEBUG_LEVEL
+ // block wx idle events while assert dialog is showing
+ m_isInAssert = true;
+
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
+
+ m_isInAssert = false;
+#else // !wxDEBUG_LEVEL
+ wxUnusedVar(file);
+ wxUnusedVar(line);
+ wxUnusedVar(func);
+ wxUnusedVar(cond);
+ wxUnusedVar(msg);
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
}
-#endif // __WXDEBUG__
-
+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (!g_isIdle)
+ {
+ gtk_idle_remove( wxTheApp->m_idleTag );
+ wxTheApp->m_idleTag = 0;
+ g_isIdle = true;
+ }
+}
projects / wxWidgets.git / blobdiff