applying patch, fixes #10524

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

diff --git a/src/gtk/toplevel.cpp b/src/gtk/toplevel.cpp
index 319887643f141e25e0176697880676a6652c5d81..5d04f3bcb37fd77dee9624a83076363587addcf1 100644 (file)
--- a/src/gtk/toplevel.cpp
+++ b/src/gtk/toplevel.cpp
@@ -59,8 +59,8 @@ int wxOpenModalDialogsCount = 0;
 
 // the frame that is currently active (i.e. its child has focus). It is
 // used to generate wxActivateEvents
-static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
-static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
+static wxTopLevelWindowGTK *g_activeFrame = NULL;
+static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
 
 // 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
@@ -335,9 +335,7 @@ gtk_frame_map_callback( GtkWidget*,
                         wxTopLevelWindow *win )
 {
     const bool wasIconized = win->IsIconized();
-
     win->SetIconizeState(false);
-
     if (wasIconized)
     {
         // Because GetClientSize() returns (0,0) when IsIconized() is true,
@@ -349,7 +347,13 @@ gtk_frame_map_callback( GtkWidget*,
         win->m_oldClientWidth = 0;
         gtk_widget_queue_resize(win->m_wxwindow);
     }
-
+    // it is possible for m_isShown to be false here, see bug #9909
+    if (win->wxWindowBase::Show(true))
+    {
+        wxShowEvent eventShow(win->GetId(), true);
+        eventShow.SetEventObject(win);
+        win->GetEventHandler()->ProcessEvent(eventShow);
+    }
     return false;
 }
 }
@@ -430,7 +434,7 @@ static gboolean property_notify_event(
 
 void wxTopLevelWindowGTK::Init()
 {
-    m_mainWidget = (GtkWidget*) NULL;
+    m_mainWidget = NULL;
     m_isIconized = false;
     m_fsIsShowing = false;
     m_themeEnabled = true;
@@ -438,6 +442,8 @@ void wxTopLevelWindowGTK::Init()
     m_gdkFunc = 0;
     m_grabbed = false;
     m_deferShow = true;
+    m_deferShowAllowed = true;
+    m_updateDecorSize = true;
 
     m_urgency_hint = -2;
 }
@@ -547,7 +553,7 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 
     // m_wxwindow is the client area
-    m_wxwindow = wxPizza::New();
+    m_wxwindow = wxPizza::New(0,this);
     gtk_widget_show( m_wxwindow );
     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 
@@ -660,7 +666,7 @@ wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
         RemoveGrab();
     }
 
-    m_isBeingDeleted = true;
+    SendDestroyEvent();
 
     // it may also be GtkScrolledWindow in the case of an MDI child
     if (GTK_IS_WINDOW(m_widget))
@@ -775,18 +781,31 @@ bool wxTopLevelWindowGTK::Show( bool show )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
-    bool deferShow = show && m_deferShow && !m_isShown;
+    bool deferShow = show && !m_isShown && m_deferShow && m_deferShowAllowed;
     if (deferShow)
     {
-        m_deferShow =
-        deferShow = !GTK_WIDGET_REALIZED(m_widget) &&
-            gdk_x11_screen_supports_net_wm_hint(
-                gtk_widget_get_screen(m_widget),
-                gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false)) &&
+        deferShow = false;
+        if (!GTK_WIDGET_REALIZED(m_widget) &&
             g_signal_handler_find(m_widget,
                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
-                0, NULL, NULL, this);
+                0, NULL, NULL, this))
+        {
+            if (gdk_x11_screen_supports_net_wm_hint(
+                gtk_widget_get_screen(m_widget),
+                gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false)))
+            {
+                deferShow = true;
+            }
+            else
+            {
+                // Don't allow changes to m_decorSize, it breaks saving/restoring
+                // window size with GetSize()/SetSize() because it makes window
+                // bigger between each restore and save.
+                m_updateDecorSize = false;
+            }
+        }
+        m_deferShow = deferShow;
     }
     if (deferShow)
     {
@@ -878,6 +897,8 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
 {
     wxCHECK_RET( m_widget, wxT("invalid frame") );
 
+    m_deferShowAllowed = true;
+
     // deal with the position first
     int old_x = m_x;
     int old_y = m_y;
@@ -922,9 +943,9 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
 
 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
 {
-    if (m_deferShow && !m_isShown)
-        // Since client size is being explicitly set, don't change it later
-        m_deferShow = false;
+    // Since client size is being explicitly set, don't change it later
+    m_deferShowAllowed = false;
+
     wxTopLevelWindowBase::DoSetClientSize(width, height);
 }
 
@@ -991,7 +1012,7 @@ void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
 {
     if (!IsMaximized() && !IsFullScreen())
         GetCachedDecorSize() = decorSize;
-    if (m_decorSize != decorSize)
+    if (m_updateDecorSize && m_decorSize != decorSize)
     {
         const wxSize diff = decorSize - m_decorSize;
         m_decorSize = decorSize;
@@ -1229,10 +1250,11 @@ void wxTopLevelWindowGTK::RequestUserAttention(int flags)
     bool new_hint_value = false;
 
     // FIXME: This is a workaround to focus handling problem
-    // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
-    // yet been processed, and the internal focus system is not up to date yet.
-    // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
-    ::wxYieldIfNeeded();
+    // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
+    // hasn't yet been processed, and the internal focus system is not up to date yet.
+    // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
+    // won't have side effects) - MR
+    wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 
     if(m_urgency_hint >= 0)
         g_source_remove(m_urgency_hint);