]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/window.cpp
fixed SaveDIB() crash with BW images (patch 1045884)
[wxWidgets.git] / src / gtk1 / window.cpp
index 14a770ef1058810523b2c25932a70be046af39d2..ad92e20c40923d273995493f0aa86df2af61b507 100644 (file)
 #include <pango/pangox.h>
 #endif
 
-#ifdef __WXGTK20__
-    #define SET_CONTAINER_FOCUS(w, d) gtk_widget_child_focus((w), (d))
-#else
-    #define SET_CONTAINER_FOCUS(w, d) gtk_container_focus(GTK_CONTAINER(w), (d))
-#endif
 
 #ifdef __WXGTK20__
     #ifdef HAVE_XIM
@@ -235,38 +230,17 @@ static GdkGC *g_eraseGC = NULL;
 static wxWindowGTK  *g_captureWindow = (wxWindowGTK*) NULL;
 static bool g_captureWindowHasMouse = FALSE;
 
-/* extern */ wxWindowGTK  *g_focusWindow = (wxWindowGTK*) NULL;
+wxWindowGTK  *g_focusWindow = (wxWindowGTK*) NULL;
 
 // the last window which had the focus - this is normally never NULL (except
 // if we never had focus at all) as even when g_focusWindow is NULL it still
 // keeps its previous value
-static wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
-
-// the frame that is currently active (i.e. its child has focus). It is
-// used to generate wxActivateEvents
-static wxWindowGTK *g_activeFrame = (wxWindowGTK*) NULL;
-static bool g_activeFrameLostFocus = FALSE;
+wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
 
 // If a window get the focus set but has not been realized
 // yet, defer setting the focus to idle time.
 wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL;
 
-// When GTK+ focus_in/out signal is being processed, we shouldn't do
-// any focus changes
-static bool gs_inFocusSignalHandler = false;
-
-struct InFocusHandlerLock
-{
-    InFocusHandlerLock() { gs_inFocusSignalHandler = true; }
-    ~InFocusHandlerLock() { gs_inFocusSignalHandler = false; }
-};
-
-// if we detect that the app has got/lost the focus, we set this variable to
-// either TRUE or FALSE and an activate event will be sent during the next
-// OnIdle() call and it is reset to -1: this value means that we shouldn't
-// send any activate events at all
-static int        g_sendActivateEvent = -1;
-
 // hack: we need something to pass to gtk_menu_popup, so we store the time of
 // the last click here
 static guint32 gs_timeLastClick = 0; 
@@ -642,7 +616,7 @@ static void gtk_window_draw_callback( GtkWidget *widget,
 #ifndef __WXUNIVERSAL__
     GtkPizza *pizza = GTK_PIZZA (widget);
 
-    if (win->GetThemeEnabled())
+    if (win->GetThemeEnabled() && win->GetBackgroundStyle() == wxBG_STYLE_SYSTEM)
     {
         wxWindow *parent = win->GetParent();
         while (parent && !parent->IsTopLevel())
@@ -993,6 +967,9 @@ static void wxFillOtherKeyEventFields(wxKeyEvent& event,
     event.m_scanCode = gdk_event->keyval;
     event.m_rawCode = (wxUint32) gdk_event->keyval;
     event.m_rawFlags = 0;
+#if wxUSE_UNICODE
+    event.m_uniChar = gdk_keyval_to_unicode(gdk_event->keyval);
+#endif
     event.m_x = x;
     event.m_y = y;
     event.SetEventObject( win );
@@ -1226,15 +1203,16 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         key_code = wxTranslateKeySymToWXKey(keysym, TRUE /* isChar */);
         if ( !key_code )
         {
-            if ( gdk_event->length == 1 )
-            {
-                key_code = (unsigned char)gdk_event->string[0];
-            }
-            else if ( wxIsAsciiKeysym(keysym) )
+            if ( wxIsAsciiKeysym(keysym) )
             {
                 // ASCII key
                 key_code = (unsigned char)keysym;
             }
+            // gdk_event->string is actually deprecated
+            else if ( gdk_event->length == 1 )
+            {
+                key_code = (unsigned char)gdk_event->string[0];
+            }
         }
 
         if ( key_code )
@@ -1347,24 +1325,13 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
     }
 
 #if wxUSE_UNICODE
-    event.m_uniChar = g_utf8_get_char( str );
-
-    // Backward compatible for ISO-8859
-    if (event.m_uniChar < 256)
-        event.m_keyCode = event.m_uniChar;
-    wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), event.m_uniChar);
+    const wxWCharBuffer data = wxConvUTF8.cMB2WC( (char*)str );
 #else
-    wchar_t unistr[2];
-    unistr[0] = g_utf8_get_char(str);
-    unistr[1] = 0;
-    wxCharBuffer ansistr(wxConvLocal.cWC2MB(unistr));
-    // We cannot handle characters that cannot be represented in 
-    // current locale's charset in non-Unicode mode:
-    if (ansistr.data() == NULL)
-        return;
-    event.m_keyCode = ansistr[0u];
-    wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), (wxChar)event.m_keyCode);
+    const wxWCharBuffer wdata = wxConvUTF8.cMB2WC( (char*)str );
+    const wxCharBuffer data = wxConvLocal.cWC2MB( wdata );
 #endif // wxUSE_UNICODE
+    if( !(const wxChar*)data )
+        return;
 
     bool ret = false;
 
@@ -1372,16 +1339,28 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
     wxWindow *parent = window;
     while (parent && !parent->IsTopLevel())
         parent = parent->GetParent();
-    if (parent)
-    {
-        event.SetEventType( wxEVT_CHAR_HOOK );
-        ret = parent->GetEventHandler()->ProcessEvent( event );
-    }
 
-    if (!ret)
+    for( const wxChar* pstr = data; *pstr; pstr++ )
     {
-        event.SetEventType(wxEVT_CHAR);
-        ret = window->GetEventHandler()->ProcessEvent( event );
+#if wxUSE_UNICODE
+        event.m_uniChar = *pstr;
+        // Backward compatible for ISO-8859
+        event.m_keyCode = *pstr < 256 ? event.m_uniChar : 0;
+        wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), event.m_uniChar);
+#else
+        event.m_keyCode = *pstr;
+#endif  // wxUSE_UNICODE
+        if (parent)
+        {
+            event.SetEventType( wxEVT_CHAR_HOOK );
+            ret = parent->GetEventHandler()->ProcessEvent( event );
+        }
+
+        if (!ret)
+        {
+            event.SetEventType(wxEVT_CHAR);
+            ret = window->GetEventHandler()->ProcessEvent( event );
+        }
     }
 }
 #endif
@@ -1973,10 +1952,8 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
                                           GdkEvent *WXUNUSED(event),
                                           wxWindow *win )
 {
-    InFocusHandlerLock flock;
-
     DEBUG_MAIN_THREAD
-
+    
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1985,23 +1962,6 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
         gtk_im_context_focus_in(win->m_imData->context);
 #endif
 
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-    switch ( g_sendActivateEvent )
-    {
-        case -1:
-            // we've got focus from outside, synthetize wxActivateEvent
-            g_sendActivateEvent = 1;
-            break;
-
-        case 0:
-            // another our window just lost focus, it was already ours before
-            // - don't send any wxActivateEvent
-            g_sendActivateEvent = -1;
-            break;
-    }
-
     g_focusWindowLast =
     g_focusWindow = win;
 
@@ -2022,36 +1982,12 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
-    g_activeFrameLostFocus = FALSE;
-
-    wxWindowGTK *active = wxGetTopLevelParent(win);
-    if ( active != g_activeFrame )
-    {
-        if ( g_activeFrame )
-        {
-            wxLogTrace(wxT("activate"), wxT("Deactivating frame %p (from focus_in)"), g_activeFrame);
-            wxActivateEvent event(wxEVT_ACTIVATE, FALSE, g_activeFrame->GetId());
-            event.SetEventObject(g_activeFrame);
-            g_activeFrame->GetEventHandler()->ProcessEvent(event);
-        }
-
-        wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), active);
-        g_activeFrame = active;
-        wxActivateEvent event(wxEVT_ACTIVATE, TRUE, g_activeFrame->GetId());
-        event.SetEventObject(g_activeFrame);
-        g_activeFrame->GetEventHandler()->ProcessEvent(event);
-
-        // Don't send focus events in addition to activate
-        // if (win == g_activeFrame)
-        //    return TRUE;
-    }
-
     // does the window itself think that it has the focus?
     if ( !win->m_hasFocus )
     {
         // not yet, notify it
         win->m_hasFocus = TRUE;
-
+        
         if ( DoSendFocusEvents(win) )
         {
            gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" );
@@ -2069,8 +2005,6 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
 static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk_event, wxWindowGTK *win )
 {
     DEBUG_MAIN_THREAD
-    
-    InFocusHandlerLock flock;
 
     if (g_isIdle)
         wxapp_install_idle_handler();
@@ -2080,29 +2014,9 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
         gtk_im_context_focus_out(win->m_imData->context);
 #endif
 
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
     wxLogTrace( TRACE_FOCUS,
                 _T("%s: focus out"), win->GetName().c_str() );
 
-    if ( !g_activeFrameLostFocus && g_activeFrame )
-    {
-        // VZ: commenting this out because it does happen (although not easy
-        //     to reproduce, I only see it when using wxMiniFrame and not
-        //     always) and makes using Mahogany quite annoying
-#if 0
-        wxASSERT_MSG( wxGetTopLevelParent(win) == g_activeFrame,
-                        wxT("unfocusing window that hasn't gained focus properly") );
-#endif // 0
-
-        g_activeFrameLostFocus = TRUE;
-    }
-
-    // if the focus goes out of our app alltogether, OnIdle() will send
-    // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
-    // g_sendActivateEvent to -1
-    g_sendActivateEvent = 0;
 
     wxWindowGTK *winFocus = wxFindFocusedChild(win);
     if ( winFocus )
@@ -2133,11 +2047,11 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
         wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
         event.SetEventObject( win );
 
-        if (win->GetEventHandler()->ProcessEvent( event ))
-        {
-            gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" );
-            return TRUE;
-        }
+        // even if we did process the event in wx code, still let GTK itself
+        // process it too as otherwise bad things happen, especially in GTK2
+        // where the text control simply aborts the program if it doesn't get
+        // the matching focus out event
+        (void)win->GetEventHandler()->ProcessEvent( event );
     }
 
     return FALSE;
@@ -2377,7 +2291,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
 // because it is static and so couldn't be made virtual
 // ----------------------------------------------------------------------------
 
-wxWindow *wxWindowBase::FindFocus()
+wxWindow *wxWindowBase::DoFindFocus()
 {
     // the cast is necessary when we compile in wxUniversal mode
     return (wxWindow *)g_focusWindow;
@@ -2660,6 +2574,8 @@ void wxWindowGTK::Init()
 
     m_clipPaintRegion = FALSE;
 
+    m_needsStyleChange = false;
+
     m_cursor = *wxSTANDARD_CURSOR;
 
 #ifdef __WXGTK20__
@@ -2808,9 +2724,6 @@ wxWindowGTK::~wxWindowGTK()
     if (g_focusWindow == this)
         g_focusWindow = NULL;
 
-    if (g_activeFrame == this)
-        g_activeFrame = NULL;
-
     if ( g_delayedFocus == this )
         g_delayedFocus = NULL;
 
@@ -2913,14 +2826,17 @@ void wxWindowGTK::PostCreation()
 
     // focus handling
 
-    if (m_focusWidget == NULL)
-        m_focusWidget = m_widget;
-
-    gtk_signal_connect( GTK_OBJECT(m_focusWidget), "focus_in_event",
-        GTK_SIGNAL_FUNC(gtk_window_focus_in_callback), (gpointer)this );
+    if (!GTK_IS_WINDOW(m_widget))
+    {
+        if (m_focusWidget == NULL)
+            m_focusWidget = m_widget;
+            
+        gtk_signal_connect( GTK_OBJECT(m_focusWidget), "focus_in_event",
+            GTK_SIGNAL_FUNC(gtk_window_focus_in_callback), (gpointer)this );
 
-    gtk_signal_connect( GTK_OBJECT(m_focusWidget), "focus_out_event",
-         GTK_SIGNAL_FUNC(gtk_window_focus_out_callback), (gpointer)this );
+        gtk_signal_connect( GTK_OBJECT(m_focusWidget), "focus_out_event",
+            GTK_SIGNAL_FUNC(gtk_window_focus_out_callback), (gpointer)this );
+    }
 
     // connect to the various key and mouse handlers
 
@@ -3133,33 +3049,16 @@ void wxWindowGTK::OnInternalIdle()
     if ( m_dirtyTabOrder )
         RealizeTabOrder();
 #endif
-
-    // Update invalidated regions.
-    GtkUpdate();
-
-    // Synthetize activate events.
-    if ( g_sendActivateEvent != -1 )
+    // Update style if the window was not yet realized
+    // and SetBackgroundStyle(wxBG_STYLE_CUSTOM) was called
+    if (m_needsStyleChange)
     {
-        bool activate = g_sendActivateEvent != 0;
-
-        // do it only once
-        g_sendActivateEvent = -1;
-
-        wxTheApp->SetActive(activate, (wxWindow *)g_focusWindowLast);
+        SetBackgroundStyle(GetBackgroundStyle());
+        m_needsStyleChange = false;
     }
 
-    if ( g_activeFrameLostFocus )
-    {
-        if ( g_activeFrame )
-        {
-            wxLogTrace(wxT("activate"), wxT("Deactivating frame %p (from idle)"), g_activeFrame);
-            wxActivateEvent event(wxEVT_ACTIVATE, FALSE, g_activeFrame->GetId());
-            event.SetEventObject(g_activeFrame);
-            g_activeFrame->GetEventHandler()->ProcessEvent(event);
-            g_activeFrame = NULL;
-        }
-        g_activeFrameLostFocus = FALSE;
-    }
+    // Update invalidated regions.
+    GtkUpdate();
 
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
@@ -3615,21 +3514,12 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
 void wxWindowGTK::SetFocus()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-
     if ( m_hasFocus )
     {
         // don't do anything if we already have focus
         return;
     }
 
-    if (gs_inFocusSignalHandler)
-    {
-        wxLogTrace(TRACE_FOCUS,
-                   _T("in focus handler, delaying SetFocus(%p)"), this);
-        g_delayedFocus = this;
-        return;
-    }
-
     if (m_wxwindow)
     {
         if (!GTK_WIDGET_HAS_FOCUS (m_wxwindow))
@@ -3639,8 +3529,16 @@ void wxWindowGTK::SetFocus()
     }
     else if (m_widget)
     {
+#ifdef __WXGTK20__
+        if (GTK_IS_CONTAINER(m_widget))
+        {
+            gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD );
+        }
+        else
+#endif
         if (GTK_WIDGET_CAN_FOCUS(m_widget) && !GTK_WIDGET_HAS_FOCUS (m_widget) )
         {
+        
             if (!GTK_WIDGET_REALIZED(m_widget))
             {
                 // we can't set the focus to the widget now so we remember that
@@ -3661,11 +3559,14 @@ void wxWindowGTK::SetFocus()
                 gtk_widget_grab_focus (m_widget);
             }
         }
-        else if (GTK_IS_CONTAINER(m_widget))
+        else 
+#ifndef __WXGTK20__
+        if (GTK_IS_CONTAINER(m_widget))
         {
-            SET_CONTAINER_FOCUS( m_widget, GTK_DIR_TAB_FORWARD );
+            gtk_container_focus( GTK_CONTAINER(m_widget), GTK_DIR_TAB_FORWARD );
         }
         else
+#endif
         {
            wxLogTrace(TRACE_FOCUS,
                       _T("Can't set focus to %s(%s)"),
@@ -3957,7 +3858,7 @@ void wxWindowGTK::GtkSendPaintEvents()
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 
-    if (GetThemeEnabled())
+    if (GetThemeEnabled() && GetBackgroundStyle() == wxBG_STYLE_SYSTEM)
     {
         // find ancestor from which to steal background
         wxWindow *parent = GetParent();
@@ -3966,25 +3867,28 @@ void wxWindowGTK::GtkSendPaintEvents()
         if (!parent)
             parent = (wxWindow*)this;
 
-        wxRegionIterator upd( m_updateRegion );
-        while (upd)
+        if (GTK_WIDGET_MAPPED(parent->m_widget))
         {
-            GdkRectangle rect;
-            rect.x = upd.GetX();
-            rect.y = upd.GetY();
-            rect.width = upd.GetWidth();
-            rect.height = upd.GetHeight();
-
-            gtk_paint_flat_box( parent->m_widget->style,
-                        pizza->bin_window,
-                        (GtkStateType)GTK_WIDGET_STATE(m_wxwindow),
-                        GTK_SHADOW_NONE,
-                        &rect,
-                        parent->m_widget,
-                        (char *)"base",
-                        0, 0, -1, -1 );
-
-            upd ++;
+            wxRegionIterator upd( m_updateRegion );
+            while (upd)
+            {
+                GdkRectangle rect;
+                rect.x = upd.GetX();
+                rect.y = upd.GetY();
+                rect.width = upd.GetWidth();
+                rect.height = upd.GetHeight();
+
+                gtk_paint_flat_box( parent->m_widget->style,
+                            pizza->bin_window,
+                            (GtkStateType)GTK_WIDGET_STATE(m_wxwindow),
+                            GTK_SHADOW_NONE,
+                            &rect,
+                            parent->m_widget,
+                            (char *)"base",
+                            0, 0, -1, -1 );
+
+                upd ++;
+            }
         }
     }
     else
@@ -4011,7 +3915,7 @@ void wxWindowGTK::GtkSendPaintEvents()
         wxEraseEvent erase_event( GetId(), &dc );
         erase_event.SetEventObject( this );
 
-        if (!GetEventHandler()->ProcessEvent(erase_event))
+        if (!GetEventHandler()->ProcessEvent(erase_event) && GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
         {
             if (!g_eraseGC)
             {
@@ -4136,8 +4040,9 @@ bool wxWindowGTK::SetBackgroundColour( const wxColour &colour )
     }
 
     // apply style change (forceStyle=true so that new style is applied
-    // even if the bg colour changed from valid to wxNullColour):
-    ApplyWidgetStyle(true);
+    // even if the bg colour changed from valid to wxNullColour)
+    if (GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
+        ApplyWidgetStyle(true);
 
     return true;
 }
@@ -4252,6 +4157,9 @@ void wxWindowGTK::ApplyWidgetStyle(bool forceStyle)
         DoApplyWidgetStyle(style);
         gtk_rc_style_unref(style);
     }
+
+    // Style change may affect GTK+'s size calculation:
+    InvalidateBestSize();
 }
 
 void wxWindowGTK::DoApplyWidgetStyle(GtkRcStyle *style)
@@ -4261,6 +4169,43 @@ void wxWindowGTK::DoApplyWidgetStyle(GtkRcStyle *style)
     gtk_widget_modify_style(m_widget, style);
 }
 
+bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style)
+{
+    wxWindowBase::SetBackgroundStyle(style);
+    
+    if (style == wxBG_STYLE_CUSTOM)
+    {
+        GdkWindow *window = (GdkWindow*) NULL;
+        if (m_wxwindow)
+            window = GTK_PIZZA(m_wxwindow)->bin_window;
+        else
+            window = GetConnectWidget()->window;
+
+        if (window)
+        {
+            // Make sure GDK/X11 doesn't refresh the window
+            // automatically.
+            gdk_window_set_back_pixmap( window, None, False );
+#ifdef __X__
+            Display* display = GDK_WINDOW_DISPLAY(window);
+            XFlush(display);
+#endif
+            m_needsStyleChange = false;
+        }
+        else
+            // Do in OnIdle, because the window is not yet available
+            m_needsStyleChange = true;
+        
+        // Don't apply widget style, or we get a grey background
+    }
+    else
+    {
+        // apply style change (forceStyle=true so that new style is applied
+        // even if the bg colour changed from valid to wxNullColour):
+        ApplyWidgetStyle(true);
+    }
+    return true;
+}
 
 //-----------------------------------------------------------------------------
 // Pop-up menu stuff
@@ -4323,10 +4268,10 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
 
     bool is_waiting = true;
 
-    gtk_signal_connect( GTK_OBJECT(menu->m_menu),
-                        "hide",
-                        GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
-                        (gpointer)&is_waiting );
+    gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu),
+                                         "hide",
+                                         GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
+                                         (gpointer)&is_waiting );
 
     wxPoint pos;
     gpointer userdata;
@@ -4363,6 +4308,8 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
         gtk_main_iteration();
     }
 
+    gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler);
+
     return true;
 }