// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#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 <gpe/init.h>
#endif
-#include "wx/gtk/win_gtk.h"
#include "wx/gtk/private.h"
+#include "wx/apptrait.h"
+#include "wx/fontmap.h"
+
+#if wxUSE_LIBHILDON
+ #include <hildon-widgets/hildon-program.h>
+#endif // wxUSE_LIBHILDON
+
+#if wxUSE_LIBHILDON2
+ #include <hildon/hildon.h>
+#endif // wxUSE_LIBHILDON2
#include <gdk/gdkx.h>
wxFORCE_LINK_MODULE(gnome_vfs)
#endif
-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
-
-bool g_mainThreadLocked = false;
-
-static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-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 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;
-
- // We need to remove idle callbacks or the loop will
- // never finish.
- SuspendIdleCallback();
-
-#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();
-
- // 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();
-
-#if wxUSE_LOG
- // let the logs be flashed again
- wxLog::Resume();
-#endif
-
- wxIsInsideYield = false;
-
- 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()
-{
- wxapp_install_idle_handler();
-}
-
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-// the callback functions must be extern "C" to comply with GTK+ declarations
-extern "C"
-{
-
-// 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.
+// One-shot signal emission hook, to install idle handler.
+extern "C" {
static gboolean
-event_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer)
+wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data)
{
- wxapp_install_idle_handler();
+ wxApp* app = wxTheApp;
+ if (app != NULL)
+ app->WakeUpIdle();
+ bool* hook_installed = (bool*)data;
+ // record that hook is not installed
+ *hook_installed = false;
// remove hook
return false;
}
-
-// add emission hook for "event" signal, to re-install idle handler when needed
-static inline void wxAddEmissionHook()
-{
- GType widgetType = GTK_TYPE_WIDGET;
- // if GtkWidget type is loaded
- if (g_type_class_peek(widgetType) != NULL)
- {
- guint sig_id = g_signal_lookup("event", widgetType);
- g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL);
- }
}
-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()
{
- // this does not look possible, but just in case...
- if (!wxTheApp)
- return false;
-
- bool moreIdles = false;
-
-#ifdef __WXDEBUG__
- // don't generate the idle events while the assert modal dialog is shown,
- // this matches the behavior of wxMSW
- if (!wxTheApp->IsInAssert())
-#endif // __WXDEBUG__
+ // "event" hook
{
- guint idleID_save;
+ static bool hook_installed;
+ if (!hook_installed)
{
- // 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(gs_idleTagsMutex);
-#endif
- idleID_save = wxTheApp->m_idleTag;
- wxTheApp->m_idleTag = 0;
- g_isIdle = true;
- wxAddEmissionHook();
- }
-
- // 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();
-
- // Send idle event to all who request them as long as
- // no events have popped up in the event queue.
- do {
- moreIdles = wxTheApp->ProcessIdle();
- } while (moreIdles && gtk_events_pending() == 0);
-
- // Release lock again
- gdk_threads_leave();
-
- {
- // If another idle source was added, remove it
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- if (wxTheApp->m_idleTag != 0)
- g_source_remove(wxTheApp->m_idleTag);
- wxTheApp->m_idleTag = idleID_save;
- g_isIdle = false;
+ static guint sig_id;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET);
+ hook_installed = true;
+ g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_installed, NULL);
}
}
-
- if (!moreIdles)
+ // "size_allocate" hook
+ // Needed to match the behaviour of the old idle system,
+ // but probably not necessary.
{
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- // 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;
-
- wxAddEmissionHook();
+ static bool hook_installed;
+ if (!hook_installed)
+ {
+ static guint sig_id;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("size_allocate", GTK_TYPE_WIDGET);
+ hook_installed = true;
+ g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_installed, NULL);
+ }
}
-
- // Return FALSE if no more idle events are to be sent
- return moreIdles;
}
-} // extern "C"
-
-#if wxUSE_THREADS
-
-static GPollFunc wxgs_poll_func;
extern "C" {
-static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
+static gboolean wxapp_idle_callback(gpointer)
{
- gdk_threads_enter();
-
- wxMutexGuiLeave();
- g_mainThreadLocked = true;
-
- gint res = (*wxgs_poll_func)(ufds, nfds, timeout);
-
- wxMutexGuiEnter();
- g_mainThreadLocked = false;
-
- gdk_threads_leave();
-
- return res;
+ return wxTheApp->DoIdle();
}
}
-#endif // wxUSE_THREADS
-
-void wxapp_install_idle_handler()
+bool wxApp::DoIdle()
{
- if (wxTheApp == NULL)
- return;
-
+ guint id_save;
+ {
+ // 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(gs_idleTagsMutex);
+ wxMutexLocker lock(m_idleMutex);
+#endif
+ id_save = m_idleSourceId;
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+
+#if wxDEBUG_LEVEL
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this matches the behaviour of wxMSW
+ if (m_isInAssert)
+ return false;
#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;
+ gdk_threads_enter();
+ bool needMore;
+ do {
+ 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)") );
+ needMore = ProcessIdle();
+ } while (needMore && gtk_events_pending() == 0);
+ gdk_threads_leave();
- wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+#if wxUSE_THREADS
+ wxMutexLocker lock(m_idleMutex);
+#endif
+ // if a new idle source was added during ProcessIdle
+ if (m_idleSourceId != 0)
+ {
+ // remove it
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ }
- g_isIdle = false;
+ // Pending events can be added asynchronously,
+ // need to keep idle source if any have appeared
+ if (HasPendingEvents())
+ needMore = true;
- // 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);
+ // 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;
}
//-----------------------------------------------------------------------------
GtkWidget* wxGetRootWindow()
{
- if (gs_RootWindow == NULL)
+ static GtkWidget *s_RootWindow = NULL;
+
+ if (s_RootWindow == NULL)
{
- gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
- gtk_widget_realize( gs_RootWindow );
+ s_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( s_RootWindow );
}
- return gs_RootWindow;
+ return s_RootWindow;
}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxAppBase::OnIdle)
-END_EVENT_TABLE()
-
wxApp::wxApp()
{
-#ifdef __WXDEBUG__
m_isInAssert = false;
-#endif // __WXDEBUG__
-
- m_idleTag = 0;
- g_isIdle = true;
- wxapp_install_idle_handler();
-
- // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
- m_glVisualInfo = (void *) NULL;
- m_glFBCInfo = (void *) NULL;
+ m_idleSourceId = 0;
}
wxApp::~wxApp()
{
- if (m_idleTag)
- g_source_remove( m_idleTag );
+}
+
+bool wxApp::SetNativeTheme(const wxString& theme)
+{
+ wxString path;
+ path = gtk_rc_get_theme_dir();
+ path += "/";
+ path += theme.utf8_str();
+ path += "/gtk-2.0/gtkrc";
+
+ if ( wxFileExists(path.utf8_str()) )
+ gtk_rc_add_default_file(path.utf8_str());
+ else if ( wxFileExists(theme.utf8_str()) )
+ gtk_rc_add_default_file(theme.utf8_str());
+ else
+ {
+ wxLogWarning("Theme \"%s\" not available.", theme);
+
+ return false;
+ }
+
+ gtk_rc_reparse_all_for_settings(gtk_settings_get_default(), TRUE);
+
+ return true;
}
bool wxApp::OnInitGui()
// 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() )
{
GdkVisual* vis = gtk_widget_get_default_visual();
}
}
- return true;
-}
-
-GdkVisual *wxApp::GetGdkVisual()
-{
- GdkVisual *visual = NULL;
-
- if (m_glVisualInfo)
- visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
- else
- visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
-
- wxASSERT( visual );
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
+ if ( !GetHildonProgram() )
+ {
+ wxLogError(_("Unable to initialize Hildon program"));
+ return false;
+ }
+#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
- return visual;
+ return true;
}
-bool wxApp::Initialize(int& argc, wxChar **argv)
+// use unusual names for the parameters to avoid conflict with wxApp::arg[cv]
+bool wxApp::Initialize(int& argc_, wxChar **argv_)
{
- if ( !wxAppBase::Initialize(argc, argv) )
+ if ( !wxAppBase::Initialize(argc_, argv_) )
return false;
#if wxUSE_THREADS
if (!g_thread_supported())
+ {
g_thread_init(NULL);
-
- wxgs_poll_func = g_main_context_get_poll_func(NULL);
- g_main_context_set_poll_func(NULL, wxapp_poll_func);
+ gdk_threads_init();
+ }
#endif // wxUSE_THREADS
- // 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)
+ wxString encName(wxGetenv(wxT("G_FILENAME_ENCODING")));
+ encName = encName.BeforeFirst(wxT(','));
+ if (encName.CmpNoCase(wxT("@locale")) == 0)
encName.clear();
encName.MakeUpper();
#if wxUSE_INTL
// (2) if a non default locale is set, assume that the user wants his
// filenames in this locale too
encName = wxLocale::GetSystemEncodingName().Upper();
+
+ // But don't consider ASCII in this case.
+ if ( !encName.empty() )
+ {
+#if wxUSE_FONTMAP
+ wxFontEncoding enc = wxFontMapperBase::GetEncodingFromName(encName);
+ if ( enc == wxFONTENCODING_DEFAULT )
+#else // !wxUSE_FONTMAP
+ if ( encName == wxT("US-ASCII") )
+#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
+ {
+ // This means US-ASCII when returned from GetEncodingFromName().
+ encName.clear();
+ }
+ }
+
// (3) finally use UTF-8 by default
- if (encName.empty() || encName == _T("US-ASCII"))
- encName = _T("UTF-8");
- wxSetEnv(_T("G_FILENAME_ENCODING"), encName);
+ if ( encName.empty() )
+ encName = wxT("UTF-8");
+ wxSetEnv(wxT("G_FILENAME_ENCODING"), encName);
}
#else
if (encName.empty())
- encName = _T("UTF-8");
+ encName = wxT("UTF-8");
// 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, "")
bool init_result;
+ int i;
#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++ )
+ char **argvGTK = new char *[argc_ + 1];
+ for ( i = 0; i < argc_; i++ )
{
- argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i]));
}
- argvGTK[argc] = NULL;
+ argvGTK[argc_] = NULL;
- int argcGTK = argc;
+ int argcGTK = argc_;
#ifdef __WXGPE__
init_result = true; // is there a _check() version of this?
#else
init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
+ wxUpdateLocaleIsUtf8();
- if ( argcGTK != argc )
+ 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 )
+ while ( strcmp(wxConvUTF8.cWX2MB(argv_[i]), argvGTK[i]) != 0 )
{
- memmove(argv + i, argv + i + 1, (argc - i)*sizeof(*argv));
+ memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_));
}
}
- argc = argcGTK;
+ argc_ = argcGTK;
+ argv_[argc_] = NULL;
}
//else: gtk_init() didn't modify our parameters
delete [] argvGTK;
#else // !wxUSE_UNICODE
- // gtk_init() shouldn't actually change argv itself (just its contents) so
+ // 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 );
+ 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?"));
+ // update internal arg[cv] as GTK+ may have removed processed options:
+ this->argc = argc_;
+ this->argv = argv_;
+
+ if ( m_traits )
+ {
+ // 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('=');
+
+ 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;
+ }
+ }
+ }
+ }
+
+ if ( !init_result )
+ {
+ wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?"));
return false;
}
- // we can not enter threads before gtk_init is done
+ // we cannot enter threads before gtk_init is done
gdk_threads_enter();
- wxSetDetectableAutoRepeat( true );
-
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
+ // make sure GtkWidget type is loaded, idle hooks need it
+ g_type_class_ref(GTK_TYPE_WIDGET);
+ WakeUpIdle();
+
return true;
}
void wxApp::CleanUp()
{
+ if (m_idleSourceId != 0)
+ g_source_remove(m_idleSourceId);
+
+ // release reference acquired by Initialize()
+ g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET));
+
gdk_threads_leave();
wxAppBase::CleanUp();
}
-#ifdef __WXDEBUG__
+void wxApp::WakeUpIdle()
+{
+#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);
+}
+
+// Checking for pending events requires first removing our idle source,
+// otherwise it will cause the check to always return true.
+bool wxApp::EventsPending()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(m_idleMutex);
+#endif
+ if (m_idleSourceId != 0)
+ {
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+ }
+ return gtk_events_pending() != 0;
+}
void wxApp::OnAssertFailure(const wxChar *file,
int line,
const wxChar* cond,
const wxChar *msg)
{
-
+ // 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__
+#if wxUSE_THREADS
+void wxGUIAppTraits::MutexGuiEnter()
+{
+ gdk_threads_enter();
+}
-void wxApp::SuspendIdleCallback()
+void wxGUIAppTraits::MutexGuiLeave()
{
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- if (m_idleTag != 0)
- {
- g_source_remove(m_idleTag);
- m_idleTag = 0;
- g_isIdle = true;
- wxAddEmissionHook();
- }
+ gdk_threads_leave();
}
+#endif // wxUSE_THREADS
+
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
+// Maemo-specific method: get the main program object
+HildonProgram *wxApp::GetHildonProgram()
+{
+ return hildon_program_get_instance();
+}
+
+#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
projects / wxWidgets.git / blobdiff