Improve wxMenu docs

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

diff --git a/src/gtk/tbargtk.cpp b/src/gtk/tbargtk.cpp
index 54e50ec64a700125416fc2868c3347b627791b2e..46cb5b8c977146ce9696b05c3b3e9b443c06f591 100644 (file)
--- a/src/gtk/tbargtk.cpp
+++ b/src/gtk/tbargtk.cpp
@@ -8,14 +8,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -111,6 +103,17 @@ public:
         Init();
     }
 
+    virtual ~wxToolBarTool()
+    {
+        if ( IsControl() && !m_item )
+        {
+            // if we're a control which is not currently attached to the
+            // toolbar (as indicated by NULL m_item), we must undo the extra
+            // reference we added in DoDeleteTool()
+            g_object_unref(GetControl()->m_widget);
+        }
+    }
+
     // is this a radio button?
     //
     // unlike GetKind(), can be called for any kind of tools, not just buttons
@@ -147,8 +150,12 @@ public:
         }
     }
 
-    GtkWidget            *m_item;
-    GtkWidget            *m_image;
+    // the toolbar element for button tools or a GtkAlignment containing the
+    // control for control tools
+    GtkWidget *m_item;
+
+    // a GtkImage containing the image for a button-type tool, may be NULL
+    GtkWidget *m_image;
 
 protected:
     void Init();
@@ -286,7 +293,7 @@ static gboolean gtk_toolbar_dropdown_lclick_callback(GtkWidget *widget,
     if (!tool->IsEnabled()) return FALSE;
 
     wxCommandEvent evt(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, tool->GetId() );
-    if ( tbar->GetEventHandler()->ProcessEvent(evt) )
+    if ( tbar->HandleWindowEvent(evt) )
     {
         return TRUE;
     }
@@ -333,6 +340,20 @@ static gint gtk_toolbar_tool_callback( GtkWidget *WXUNUSED(widget),
 }
 }
 
+//-----------------------------------------------------------------------------
+// "size_request" from m_toolbar
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+size_request(GtkWidget*, GtkRequisition* req, wxToolBar* win)
+{
+    const wxSize margins = win->GetMargins();
+    req->width  += margins.x;
+    req->height += 2 * margins.y;
+}
+}
+
 //-----------------------------------------------------------------------------
 // InsertChild callback for wxToolBar
 //-----------------------------------------------------------------------------
@@ -445,10 +466,13 @@ bool wxToolBar::Create( wxWindow *parent,
 
     PostCreation(size);
 
+    g_signal_connect_after(m_toolbar, "size_request",
+        G_CALLBACK(size_request), this);
+
     return true;
 }
 
-GdkWindow *wxToolBar::GTKGetWindow(wxArrayGdkWindows& windows) const
+GdkWindow *wxToolBar::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 {
     return GTK_WIDGET(m_toolbar)->window;
 }
@@ -602,44 +626,32 @@ bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
                         (tool->m_item, &req );
                     gtk_widget_set_size_request( dropdown, -1, req.height );
 
-                    gtk_toolbar_insert_widget(
-                                       m_toolbar,
-                                       dropdown,
-                                       (const char *) NULL,
-                                       (const char *) NULL,
-                                       posGtk+1
-                                      );
+                    gtk_toolbar_insert_widget(m_toolbar, dropdown, NULL, NULL,
+                                              posGtk + 1);
                 }
             }
             break;
 
         case wxTOOL_STYLE_SEPARATOR:
             gtk_toolbar_insert_space( m_toolbar, posGtk );
-
-            // skip the rest
-            return true;
+            break;
 
         case wxTOOL_STYLE_CONTROL:
-            GtkWidget* align = gtk_alignment_new(0.5, 0.5, 0, 0);
+            GtkWidget * const align = gtk_alignment_new(0.5, 0.5, 0, 0);
             gtk_widget_show(align);
-            gtk_container_add((GtkContainer*)align, tool->GetControl()->m_widget);
-            gtk_toolbar_insert_widget(
-                                       m_toolbar,
-                                       align,
-                                       (const char *) NULL,
-                                       (const char *) NULL,
-                                       posGtk
-                                      );
+            gtk_container_add(GTK_CONTAINER(align),
+                              tool->GetControl()->m_widget);
+            gtk_toolbar_insert_widget(m_toolbar, align, NULL, NULL, posGtk);
+
             // release reference obtained by wxInsertChildInToolBar
             g_object_unref(tool->GetControl()->m_widget);
+
+            // remember the container we're in so that we could remove
+            // ourselves from it when we're detached from the toolbar
+            tool->m_item = align;
             break;
     }
 
-    GtkRequisition req;
-    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
-        (m_widget, &req );
-    m_width = req.width + m_xMargin;
-    m_height = req.height + 2*m_yMargin;
     InvalidateBestSize();
 
     return true;
@@ -652,16 +664,29 @@ bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *toolBase)
     switch ( tool->GetStyle() )
     {
         case wxTOOL_STYLE_CONTROL:
-            tool->GetControl()->Destroy();
-            break;
+            // don't destroy the control here as we can be called from
+            // RemoveTool() and then we need to keep the control alive;
+            // while if we're called from DeleteTool() the control will
+            // be destroyed when wxToolBarToolBase itself is deleted
+            {
+                GtkWidget * const w = tool->GetControl()->m_widget;
+                g_object_ref(w);
+                gtk_container_remove(GTK_CONTAINER(tool->m_item), w);
+            }
+            // fall through
 
         case wxTOOL_STYLE_BUTTON:
             gtk_widget_destroy( tool->m_item );
+            tool->m_item = NULL;
             break;
 
         case wxTOOL_STYLE_SEPARATOR:
             gtk_toolbar_remove_space( m_toolbar, pos );
             break;
+
+        default:
+            wxFAIL_MSG( "unknown tool style" );
+            return false;
     }
 
     InvalidateBestSize();
@@ -823,7 +848,7 @@ void wxToolBar::OnInternalIdle()
         }
     }
 
-    if (wxUpdateUIEvent::CanUpdate(this))
+    if (wxUpdateUIEvent::CanUpdate(this) && IsShownOnScreen())
         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 }