X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d48b06bd9039597545de9a862501d57c5f9ec1ea..d9dd0c95df369be61d3dfa9314e87b589e50526a:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index a7c984dd3b..2bd616a4ba 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -2,7 +2,6 @@ // Name: src/gtk/app.cpp // Purpose: // Author: Robert Roebling -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling, Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -26,14 +25,19 @@ #include #endif -#include "wx/gtk/private.h" #include "wx/apptrait.h" +#include "wx/fontmap.h" #if wxUSE_LIBHILDON #include #endif // wxUSE_LIBHILDON -#include +#if wxUSE_LIBHILDON2 + #include +#endif // wxUSE_LIBHILDON2 + +#include +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // link GnomeVFS @@ -44,167 +48,6 @@ wxFORCE_LINK_MODULE(gnome_vfs) #endif -//----------------------------------------------------------------------------- -// global data -//----------------------------------------------------------------------------- - -static GtkWidget *gs_RootWindow = NULL; -static wxArrayPtrVoid g_arrGdkEvents; - -//----------------------------------------------------------------------------- -// wxYield -//----------------------------------------------------------------------------- - -bool wxApp::DoYield(bool onlyIfNeeded, long eventsToProcess) -{ - if ( m_isInsideYield ) - { - 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 - - m_isInsideYield = true; - m_eventsToProcessInsideYield = eventsToProcess; - -#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 - - // NOTE: gtk_main_iteration() doesn't allow us to filter events, so we - // rather use gtk_main_do_event() after filtering the events at - // GDK level - - GdkDisplay* disp = gtk_widget_get_display(gs_RootWindow); - - // gdk_display_get_event() will transform X11 events into GDK events - // and will queue all of them in the display (private) structure; - // finally it will "unqueue" the last one and return it to us - GdkEvent* event = gdk_display_get_event(disp); - while (event) - { - // categorize the GDK event according to wxEventCategory. - // See http://library.gnome.org/devel/gdk/unstable/gdk-Events.html#GdkEventType - // for more info. - - wxEventCategory cat = wxEVT_CATEGORY_UNKNOWN; - switch (event->type) - { - case GDK_SELECTION_REQUEST: - case GDK_SELECTION_NOTIFY: - case GDK_SELECTION_CLEAR: - case GDK_OWNER_CHANGE: - cat = wxEVT_CATEGORY_CLIPBOARD; - break; - - - case GDK_KEY_PRESS: - case GDK_KEY_RELEASE: - case GDK_BUTTON_PRESS: - case GDK_2BUTTON_PRESS: - case GDK_3BUTTON_PRESS: - case GDK_BUTTON_RELEASE: - case GDK_SCROLL: // generated from mouse buttons - case GDK_CLIENT_EVENT: - cat = wxEVT_CATEGORY_USER_INPUT; - break; - - - case GDK_PROXIMITY_IN: - case GDK_PROXIMITY_OUT: - - case GDK_MOTION_NOTIFY: - case GDK_ENTER_NOTIFY: - case GDK_LEAVE_NOTIFY: - case GDK_VISIBILITY_NOTIFY: - case GDK_PROPERTY_NOTIFY: - - case GDK_FOCUS_CHANGE: - case GDK_CONFIGURE: - case GDK_WINDOW_STATE: - case GDK_SETTING: - case GDK_DELETE: - case GDK_DESTROY: - - case GDK_EXPOSE: - case GDK_NO_EXPOSE: - case GDK_MAP: - case GDK_UNMAP: - //case GDK_DAMAGE: - - case GDK_DRAG_ENTER: - case GDK_DRAG_LEAVE: - case GDK_DRAG_MOTION: - case GDK_DRAG_STATUS: - case GDK_DROP_START: - case GDK_DROP_FINISHED: - case GDK_GRAB_BROKEN: - cat = wxEVT_CATEGORY_UI; - break; - - default: - cat = wxEVT_CATEGORY_UNKNOWN; - break; - } - - if (eventsToProcess & cat) - gtk_main_do_event(event); // process it now - else - g_arrGdkEvents.Add(event); // process it later - - // get next event - event = gdk_display_get_event(disp); - } - - if (eventsToProcess != wxEVT_CATEGORY_CLIPBOARD) - { - // 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(); // ProcessIdle() also calls ProcessPendingEvents() - } - //else: if we are inside ~wxClipboardSync() and we call ProcessIdle() and - // the user app contains an UI update handler which calls wxClipboard::IsSupported, - // then we fall into a never-ending loop... - - // put all unprocessed GDK events back in the queue - for (size_t i=0; iWakeUpIdle(); - gulong* hook_id = (gulong*)data; + bool* hook_installed = (bool*)data; // record that hook is not installed - *hook_id = 0; + *hook_installed = false; // remove hook return false; } @@ -230,28 +73,30 @@ static void wx_add_idle_hooks() { // "event" hook { - static gulong hook_id = 0; - if (hook_id == 0) + static bool hook_installed; + if (!hook_installed) { - static guint sig_id = 0; + static guint sig_id; 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); + hook_installed = true; + g_signal_add_emission_hook( + sig_id, 0, wx_emission_hook, &hook_installed, NULL); } } // "size_allocate" hook - // Needed to match the behavior of the old idle system, + // Needed to match the behaviour of the old idle system, // but probably not necessary. { - static gulong hook_id = 0; - if (hook_id == 0) + static bool hook_installed; + if (!hook_installed) { - static guint sig_id = 0; + static guint sig_id; 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); + hook_installed = true; + g_signal_add_emission_hook( + sig_id, 0, wx_emission_hook, &hook_installed, NULL); } } } @@ -271,14 +116,15 @@ bool wxApp::DoIdle() // Needed if an idle event handler runs a new event loop, // for example by showing a dialog. #if wxUSE_THREADS - wxMutexLocker lock(*m_idleMutex); + wxMutexLocker lock(m_idleMutex); #endif id_save = m_idleSourceId; m_idleSourceId = 0; wx_add_idle_hooks(); -#ifdef __WXDEBUG__ + +#if wxDEBUG_LEVEL // don't generate the idle events while the assert modal dialog is shown, - // this matches the behavior of wxMSW + // this matches the behaviour of wxMSW if (m_isInAssert) return false; #endif @@ -287,35 +133,35 @@ bool wxApp::DoIdle() gdk_threads_enter(); bool needMore; do { + ProcessPendingEvents(); + needMore = ProcessIdle(); } while (needMore && gtk_events_pending() == 0); gdk_threads_leave(); #if wxUSE_THREADS - wxMutexLocker lock(*m_idleMutex); + 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; - } - // Pending events can be added asynchronously, - // need to keep idle source if any have appeared - needMore = needMore || HasPendingEvents(); - - // if more idle processing requested - if (needMore) + bool keepSource = false; + // if a new idle source has not been added, either as a result of idle + // processing above or by another thread calling WakeUpIdle() + if (m_idleSourceId == 0) { - // keep this source installed - m_idleSourceId = id_save; - return true; + // if more idle processing was requested or pending events have appeared + if (needMore || HasPendingEvents()) + { + // keep this source installed + m_idleSourceId = id_save; + keepSource = true; + } + else // add hooks and remove this source + wx_add_idle_hooks(); } - // add hooks and remove this source - wx_add_idle_hooks(); - return false; + // else remove this source, leave new one installed + // we must keep an idle source, otherwise a wakeup could be lost + + return keepSource; } //----------------------------------------------------------------------------- @@ -324,12 +170,14 @@ bool wxApp::DoIdle() 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; } //----------------------------------------------------------------------------- @@ -340,12 +188,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) wxApp::wxApp() { -#ifdef __WXDEBUG__ m_isInAssert = false; -#endif // __WXDEBUG__ -#if wxUSE_THREADS - m_idleMutex = NULL; -#endif m_idleSourceId = 0; } @@ -355,6 +198,10 @@ wxApp::~wxApp() bool wxApp::SetNativeTheme(const wxString& theme) { +#ifdef __WXGTK3__ + wxUnusedVar(theme); + return false; +#else wxString path; path = gtk_rc_get_theme_dir(); path += "/"; @@ -375,6 +222,7 @@ bool wxApp::SetNativeTheme(const wxString& theme) gtk_rc_reparse_all_for_settings(gtk_settings_get_default(), TRUE); return true; +#endif } bool wxApp::OnInitGui() @@ -382,6 +230,7 @@ bool wxApp::OnInitGui() if ( !wxAppBase::OnInitGui() ) return false; +#ifndef __WXGTK3__ // if this is a wxGLApp (derived from wxApp), and we've already // chosen a specific visual, then derive the GdkVisual from that if ( GetXVisualInfo() ) @@ -419,34 +268,19 @@ bool wxApp::OnInitGui() } } } +#endif -#if wxUSE_LIBHILDON - m_hildonProgram = hildon_program_get_instance(); - if ( !m_hildonProgram ) +#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2 + if ( !GetHildonProgram() ) { wxLogError(_("Unable to initialize Hildon program")); return false; } -#endif // wxUSE_LIBHILDON +#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2 return true; } -GdkVisual *wxApp::GetGdkVisual() -{ - GdkVisual *visual = NULL; - - XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo(); - if ( xvi ) - visual = gdkx_visual_get( xvi->visualid ); - else - visual = gdk_drawable_get_visual( wxGetRootWindow()->window ); - - wxASSERT( visual ); - - return visual; -} - // use unusual names for the parameters to avoid conflict with wxApp::arg[cv] bool wxApp::Initialize(int& argc_, wxChar **argv_) { @@ -464,38 +298,48 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_) // gtk+ 2.0 supports Unicode through UTF-8 strings wxConvCurrent = &wxConvUTF8; +#ifdef __UNIX__ // 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 if (encName.empty()) { +#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(); + } + } +#endif // wxUSE_INTL + // (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"); - // 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(); - -#endif // wxUSE_INTL static wxConvBrokenFileNames fileconv(encName); wxConvFileName = &fileconv; +#endif // __UNIX__ bool init_result; @@ -513,13 +357,17 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_) int argcGTK = argc_; + // Prevent gtk_init_check() from changing the locale automatically for + // consistency with the other ports that don't do it. If necessary, + // wxApp::SetCLocale() may be explicitly called. + gtk_disable_setlocale(); + #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 ); + init_result = gtk_init_check( &argcGTK, &argvGTK ) != 0; #endif - wxUpdateLocaleIsUtf8(); if ( argcGTK != argc_ ) { @@ -592,18 +440,13 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_) 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 -#if wxUSE_THREADS - m_idleMutex = new wxMutex; -#endif // make sure GtkWidget type is loaded, idle hooks need it g_type_class_ref(GTK_TYPE_WIDGET); WakeUpIdle(); @@ -622,20 +465,12 @@ void wxApp::CleanUp() gdk_threads_leave(); wxAppBase::CleanUp(); - - // delete this mutex as late as possible as it's used from WakeUpIdle(), in - // particular do it after calling the base class CleanUp() which can result - // in it being called -#if wxUSE_THREADS - delete m_idleMutex; - m_idleMutex = NULL; -#endif } void wxApp::WakeUpIdle() { #if wxUSE_THREADS - wxMutexLocker lock(*m_idleMutex); + wxMutexLocker lock(m_idleMutex); #endif if (m_idleSourceId == 0) m_idleSourceId = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL); @@ -646,7 +481,7 @@ void wxApp::WakeUpIdle() bool wxApp::EventsPending() { #if wxUSE_THREADS - wxMutexLocker lock(*m_idleMutex); + wxMutexLocker lock(m_idleMutex); #endif if (m_idleSourceId != 0) { @@ -657,25 +492,30 @@ bool wxApp::EventsPending() return gtk_events_pending() != 0; } -#ifdef __WXDEBUG__ - void wxApp::OnAssertFailure(const wxChar *file, int line, const wxChar* func, 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() { @@ -687,3 +527,31 @@ void wxGUIAppTraits::MutexGuiLeave() gdk_threads_leave(); } #endif // wxUSE_THREADS + +/* static */ +bool wxApp::GTKIsUsingGlobalMenu() +{ + static int s_isUsingGlobalMenu = -1; + if ( s_isUsingGlobalMenu == -1 ) + { + // Currently we just check for this environment variable because this + // is how support for the global menu is implemented under Ubuntu. + // + // If we ever get false positives, we could also check for + // XDG_CURRENT_DESKTOP env var being set to "Unity". + wxString proxy; + s_isUsingGlobalMenu = wxGetEnv("UBUNTU_MENUPROXY", &proxy) && + !proxy.empty() && proxy != "0"; + } + + return s_isUsingGlobalMenu == 1; +} + +#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