check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / gtk / toplevel.cpp

diff --git a/src/gtk/toplevel.cpp b/src/gtk/toplevel.cpp
index 2aa4cc4e5a8806560c0af91b90b25d6f5c614cc8..8d08c1a516a7210e147fc3208102bf0affb04dbc 100644 (file)
--- a/src/gtk/toplevel.cpp
+++ b/src/gtk/toplevel.cpp
@@ -45,11 +45,18 @@
 // XA_CARDINAL
 #include <X11/Xatom.h>
 
 // XA_CARDINAL
 #include <X11/Xatom.h>
 

+#if wxUSE_LIBHILDON
+    #include <hildon-widgets/hildon-program.h>
+    #include <hildon-widgets/hildon-window.h>
+#endif // wxUSE_LIBHILDON
+

 // ----------------------------------------------------------------------------
 // data
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // data
 // ----------------------------------------------------------------------------
 

-extern int              g_openDialogs;
+// this is incremented while a modal dialog is shown
+int wxOpenModalDialogsCount = 0;
+

 extern wxWindowGTK     *g_delayedFocus;
 
 // the frame that is currently active (i.e. its child has focus). It is
 extern wxWindowGTK     *g_delayedFocus;
 
 // the frame that is currently active (i.e. its child has focus). It is


@@ -156,7 +163,7 @@ static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
     event.SetEventObject(g_activeFrame);
     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
     event.SetEventObject(g_activeFrame);

-    g_activeFrame->GetEventHandler()->ProcessEvent(event);
+    g_activeFrame->HandleWindowEvent(event);

 
     return FALSE;
 }
 
     return FALSE;
 }


@@ -186,7 +193,7 @@ gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
         event.SetEventObject(g_activeFrame);
         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
         event.SetEventObject(g_activeFrame);

-        g_activeFrame->GetEventHandler()->ProcessEvent(event);
+        g_activeFrame->HandleWindowEvent(event);

 
         g_activeFrame = NULL;
     }
 
         g_activeFrame = NULL;
     }


@@ -195,25 +202,6 @@ gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 }
 }
 
 }
 }
 

-//-----------------------------------------------------------------------------
-
-// Get cached size of WM decorations for given GdkWMDecoration.
-static wxSize& GetDecorSize(int decor)
-{
-    // In testing, only the title bar and GDK_DECOR_BORDER made a difference.
-    // 4 possible combinations of title bar and border
-    static wxSize size[4];
-
-    int index = 0;
-    // title bar
-    if (decor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
-        index = 1;
-    // border
-    if (decor & GDK_DECOR_BORDER)
-        index |= 2;
-    return size[index];
-}
-

 //-----------------------------------------------------------------------------
 // "size_allocate" from m_wxwindow
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "size_allocate" from m_wxwindow
 //-----------------------------------------------------------------------------


@@ -227,16 +215,18 @@ size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
     {
         win->m_oldClientWidth  = alloc->width;
         win->m_oldClientHeight = alloc->height;
     {
         win->m_oldClientWidth  = alloc->width;
         win->m_oldClientHeight = alloc->height;

-        wxSize sizeDecor;
-        if (!win->IsFullScreen())
-            sizeDecor = GetDecorSize(win->m_gdkDecor);
-        win->m_width  = win->m_widget->allocation.width  + sizeDecor.x;
-        win->m_height = win->m_widget->allocation.height + sizeDecor.y;
+
+        wxSize size(win->m_widget->allocation.width,
+                    win->m_widget->allocation.height);
+        size += win->m_decorSize;
+        win->m_width  = size.x;
+        win->m_height = size.y;
+

         if (!win->IsIconized())
         {
         if (!win->IsIconized())
         {

-            wxSizeEvent event(win->GetSize(), win->GetId());
+            wxSizeEvent event(size, win->GetId());

             event.SetEventObject(win);
             event.SetEventObject(win);

-            win->GetEventHandler()->ProcessEvent(event);
+            win->HandleWindowEvent(event);

         }
         // else the window is currently unmapped, don't generate size events
     }
         }
         // else the window is currently unmapped, don't generate size events
     }


@@ -270,7 +260,7 @@ gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
                            wxTopLevelWindowGTK *win )
 {
     if (win->IsEnabled() &&
                            wxTopLevelWindowGTK *win )
 {
     if (win->IsEnabled() &&

-        (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
+        (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||

          win->IsGrabbed()))
         win->Close();
 
          win->IsGrabbed()))
         win->Close();
 


@@ -299,7 +289,7 @@ gtk_frame_configure_callback( GtkWidget* widget,
     win->m_y = point.y;
     wxMoveEvent mevent(point, win->GetId());
     mevent.SetEventObject( win );
     win->m_y = point.y;
     wxMoveEvent mevent(point, win->GetId());
     mevent.SetEventObject( win );

-    win->GetEventHandler()->ProcessEvent( mevent );
+    win->HandleWindowEvent( mevent );

 
     return FALSE;
 }
 
     return FALSE;
 }


@@ -346,29 +336,10 @@ gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 
 extern "C" {
 static gboolean
 
 extern "C" {
 static gboolean

-gtk_frame_map_callback( GtkWidget* widget,
+gtk_frame_map_callback( GtkWidget*,

                         GdkEvent * WXUNUSED(event),
                         wxTopLevelWindow *win )
 {
                         GdkEvent * WXUNUSED(event),
                         wxTopLevelWindow *win )
 {

-    // Calculate size of WM decorations.
-    // Done here in case WM does not support the _NET_FRAME_EXTENTS property.
-    if (win->IsDecorCacheable() && !win->IsFullScreen())
-    {
-        GdkRectangle rect;
-        gdk_window_get_frame_extents(widget->window, &rect);
-        int w, h;
-        gdk_drawable_get_size(widget->window, &w, &h);
-        wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
-        const wxSize size = wxSize(rect.width - w, rect.height - h);
-        if (decorSize.x != size.x || decorSize.y != size.y)
-        {
-            // Update window size and frame extents cache
-            win->m_width = rect.width;
-            win->m_height = rect.height;
-            decorSize = size;
-        }
-    }
-

     const bool wasIconized = win->IsIconized();
 
     win->SetIconizeState(false);
     const bool wasIconized = win->IsIconized();
 
     win->SetIconizeState(false);


@@ -414,8 +385,7 @@ static gboolean property_notify_event(
 {
     // Watch for changes to _NET_FRAME_EXTENTS property
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 {
     // Watch for changes to _NET_FRAME_EXTENTS property
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);

-    if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property &&
-        win->IsDecorCacheable() && !win->IsFullScreen())
+    if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)

     {
         Atom xproperty = gdk_x11_atom_to_xatom_for_display(
                             gdk_drawable_get_display(event->window), property);
     {
         Atom xproperty = gdk_x11_atom_to_xatom_for_display(
                             gdk_drawable_get_display(event->window), property);


@@ -431,19 +401,55 @@ static gboolean property_notify_event(
             &type, &format, &nitems, &bytes_after, (guchar**)&data);
         if (status == Success && data && nitems == 4)
         {
             &type, &format, &nitems, &bytes_after, (guchar**)&data);
         if (status == Success && data && nitems == 4)
         {

-            wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
-            const wxSize size =
+            const wxSize decorSize =

                 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
                 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));

-            if (decorSize.x != size.x || decorSize.y != size.y)
+            if (win->m_decorSize != decorSize)
+            {
+                const wxSize diff = decorSize - win->m_decorSize;
+                win->m_decorSize = decorSize;
+                bool resized = false;
+                if (win->m_deferShow)
+                {
+                    // keep overall size unchanged by shrinking m_widget,
+                    // if min size will allow it
+                    const wxSize minSize = win->GetMinSize();
+                    int w, h;
+                    win->GTKDoGetSize(&w, &h);
+                    if (w >= minSize.x && h >= minSize.y)
+                    {
+                        gtk_window_resize(GTK_WINDOW(win->m_widget), w, h);
+                        resized = true;
+                    }
+                }
+                if (!resized)
+                {
+                    // adjust overall size to match change in frame extents
+                    win->m_width  += diff.x;
+                    win->m_height += diff.y;
+                    if (win->m_width  < 0) win->m_width  = 0;
+                    if (win->m_height < 0) win->m_height = 0;
+                    if (!win->m_deferShow)
+                    {
+                        win->m_oldClientWidth = 0;
+                        gtk_widget_queue_resize(win->m_wxwindow);
+                    }
+                }
+            }
+            if (win->m_deferShow)

             {
             {

-                // Update window size and frame extents cache
-                win->m_width  += size.x - decorSize.x;
-                win->m_height += size.y - decorSize.y;
-                if (win->m_width  < 0) win->m_width  = 0;
-                if (win->m_height < 0) win->m_height = 0;
-                decorSize = size;
-                win->m_oldClientWidth = 0;
-                gtk_widget_queue_resize(win->m_wxwindow);
+                // gtk_widget_show() was deferred, do it now
+                win->m_deferShow = false;
+                win->GetClientSize(
+                    &win->m_oldClientWidth, &win->m_oldClientHeight);
+                wxSizeEvent sizeEvent(win->GetSize(), win->GetId());
+                sizeEvent.SetEventObject(win);
+                win->HandleWindowEvent(sizeEvent);
+
+                gtk_widget_show(win->m_widget);
+
+                wxShowEvent showEvent(win->GetId(), true);
+                showEvent.SetEventObject(win);
+                win->HandleWindowEvent(showEvent);

             }
         }
         if (data)
             }
         }
         if (data)


@@ -470,6 +476,7 @@ void wxTopLevelWindowGTK::Init()
     m_themeEnabled = true;
     m_gdkDecor = m_gdkFunc = 0;
     m_grabbed = false;
     m_themeEnabled = true;
     m_gdkDecor = m_gdkFunc = 0;
     m_grabbed = false;

+    m_deferShow = true;

 
     m_urgency_hint = -2;
 }
 
     m_urgency_hint = -2;
 }


@@ -503,6 +510,14 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
     //     e.g. in wxTaskBarIconAreaGTK
     if (m_widget == NULL)
     {
     //     e.g. in wxTaskBarIconAreaGTK
     if (m_widget == NULL)
     {

+#if wxUSE_LIBHILDON
+        // we must create HildonWindow and not a normal GtkWindow as the latter
+        // doesn't look correctly in Maemo environment and it must also be
+        // registered with the main program object
+        m_widget = hildon_window_new();
+        hildon_program_add_window(wxTheApp->GetHildonProgram(),
+                                  HILDON_WINDOW(m_widget));
+#else // !wxUSE_LIBHILDON

         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
         {
         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
         {


@@ -529,6 +544,7 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
                 style |= wxFRAME_NO_TASKBAR;
             }
         }
                 style |= wxFRAME_NO_TASKBAR;
             }
         }

+#endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON

     }
 
     wxWindow *topParent = wxGetTopLevelParent(m_parent);
     }
 
     wxWindow *topParent = wxGetTopLevelParent(m_parent);


@@ -655,16 +671,22 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
         }
     }
 
         }
     }
 

-    // m_gdkDecor needs to be set before calling GTKDoGetSize
-    int w, h;
-    GTKDoGetSize(&w, &h);
-    gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
+    gtk_window_set_default_size(GTK_WINDOW(m_widget), m_width, m_height);

 
     return true;
 }
 
 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 {
 
     return true;
 }
 
 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 {

+#if wxUSE_LIBHILDON
+    // it can also be a (standard) dialog
+    if ( HILDON_IS_WINDOW(m_widget) )
+    {
+        hildon_program_remove_window(wxTheApp->GetHildonProgram(),
+                                     HILDON_WINDOW(m_widget));
+    }
+#endif // wxUSE_LIBHILDON
+

     if (m_grabbed)
     {
         wxFAIL_MSG(_T("Window still grabbed"));
     if (m_grabbed)
     {
         wxFAIL_MSG(_T("Window still grabbed"));


@@ -786,14 +808,68 @@ bool wxTopLevelWindowGTK::Show( bool show )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 

-    if (show && !IsShown())
+    const bool wasRealized = GTK_WIDGET_REALIZED(m_widget);
+    bool deferShow = show && m_deferShow && !wasRealized;
+    if (deferShow)
+    {
+        // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
+        // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
+        // notification is received, so correct frame extents are known.
+        // This allows resizing m_widget to keep the overall size in sync with
+        // what wxWidgets expects it to be without an obvious change in the
+        // window size immediately after it becomes visible.
+
+        // Realize m_widget, so m_widget->window can be used. Realizing causes
+        // the widget tree to be size_allocated, which generates size events in
+        // the wrong order. So temporarily remove child from m_widget while
+        // realizing.
+        GtkWidget* child = GTK_BIN(m_widget)->child;
+        if (child)
+        {
+            g_object_ref(child);
+            gtk_container_remove(GTK_CONTAINER(m_widget), child);
+        }
+        gtk_widget_realize(m_widget);
+        if (child)
+        {
+            gtk_container_add(GTK_CONTAINER(m_widget), child);
+            g_object_unref(child);
+        }
+
+        m_deferShow =
+        deferShow = gdk_x11_screen_supports_net_wm_hint(
+            gdk_drawable_get_screen(m_widget->window),
+            gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false)) != 0;
+    }
+    if (deferShow)
+    {
+        // send _NET_REQUEST_FRAME_EXTENTS
+        XClientMessageEvent xevent;
+        memset(&xevent, 0, sizeof(xevent));
+        xevent.type = ClientMessage;
+        xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
+        xevent.message_type = gdk_x11_atom_to_xatom_for_display(
+            gdk_drawable_get_display(m_widget->window),
+            gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
+        xevent.format = 32;
+        Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
+        XSendEvent(display, DefaultRootWindow(display), false,
+            SubstructureNotifyMask | SubstructureRedirectMask,
+            (XEvent*)&xevent);
+
+        // defer calling gtk_widget_show()
+        m_isShown = true;
+        return true;
+    }
+
+    if (show && !wasRealized)

     {
         // size_allocate signals occur in reverse order (bottom to top).
         // Things work better if the initial wxSizeEvents are sent (from the
         // top down), before the initial size_allocate signals occur.
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);
     {
         // size_allocate signals occur in reverse order (bottom to top).
         // Things work better if the initial wxSizeEvents are sent (from the
         // top down), before the initial size_allocate signals occur.
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);

-        GetEventHandler()->ProcessEvent(event);
+        HandleWindowEvent(event);

     }
 
     bool change = wxTopLevelWindowBase::Show(show);
     }
 
     bool change = wxTopLevelWindowBase::Show(show);


@@ -826,12 +902,9 @@ void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXU
 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 {
     wxSize size(m_width, m_height);
 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 {
     wxSize size(m_width, m_height);

-    if (!IsFullScreen())
-    {
-        size -= GetDecorSize(m_gdkDecor);
-        if (size.x < 0) size.x = 0;
-        if (size.y < 0) size.y = 0;
-    }
+    size -= m_decorSize;
+    if (size.x < 0) size.x = 0;
+    if (size.y < 0) size.y = 0;

     if (width)  *width  = size.x;
     if (height) *height = size.y;
 }
     if (width)  *width  = size.x;
     if (height) *height = size.y;
 }


@@ -878,7 +951,7 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);
         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);

-        GetEventHandler()->ProcessEvent(event);
+        HandleWindowEvent(event);

     }
 }
 
     }
 }
 


@@ -911,24 +984,23 @@ void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
     const wxSize maxSize = GetMaxSize();
     GdkGeometry hints;
     int hints_mask = 0;
     const wxSize maxSize = GetMaxSize();
     GdkGeometry hints;
     int hints_mask = 0;

-    const wxSize sizeDecor = GetDecorSize(m_gdkDecor);

     if (minSize.x > 0 || minSize.y > 0)
     {
         hints_mask |= GDK_HINT_MIN_SIZE;
     if (minSize.x > 0 || minSize.y > 0)
     {
         hints_mask |= GDK_HINT_MIN_SIZE;

-        hints.min_width = minSize.x - sizeDecor.x;
+        hints.min_width = minSize.x - m_decorSize.x;

         if (hints.min_width < 0)
             hints.min_width = 0;
         if (hints.min_width < 0)
             hints.min_width = 0;

-        hints.min_height = minSize.y - sizeDecor.y;
+        hints.min_height = minSize.y - m_decorSize.y;

         if (hints.min_height < 0)
             hints.min_height = 0;
     }
     if (maxSize.x > 0 || maxSize.y > 0)
     {
         hints_mask |= GDK_HINT_MAX_SIZE;
         if (hints.min_height < 0)
             hints.min_height = 0;
     }
     if (maxSize.x > 0 || maxSize.y > 0)
     {
         hints_mask |= GDK_HINT_MAX_SIZE;

-        hints.max_width = maxSize.x - sizeDecor.x;
+        hints.max_width = maxSize.x - m_decorSize.x;

         if (hints.max_width < 0)
             hints.max_width = INT_MAX;
         if (hints.max_width < 0)
             hints.max_width = INT_MAX;

-        hints.max_height = maxSize.y - sizeDecor.y;
+        hints.max_height = maxSize.y - m_decorSize.y;

         if (hints.max_height < 0)
             hints.max_height = INT_MAX;
     }
         if (hints.max_height < 0)
             hints.max_height = INT_MAX;
     }


@@ -942,11 +1014,6 @@ void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 }
 
         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 }
 

-bool wxTopLevelWindowGTK::IsDecorCacheable() const
-{
-    return true;
-}
-

 void wxTopLevelWindowGTK::OnInternalIdle()
 {
     // set the focus if not done yet and if we can already do it
 void wxTopLevelWindowGTK::OnInternalIdle()
 {
     // set the focus if not done yet and if we can already do it