Optimized sizers to not call CalcMin more often than neccessary

[wxWidgets.git] / src / gtk1 / frame.cpp

diff --git a/src/gtk1/frame.cpp b/src/gtk1/frame.cpp
index 1b4e646433b44a7c99818d330623a95b2fc13218..afe3ebd900c04a16ac8fcdd97c6af1b42e4b8042 100644 (file)
--- a/src/gtk1/frame.cpp
+++ b/src/gtk1/frame.cpp
@@ -15,10 +15,13 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "frame.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/defs.h"
 
 #include "wx/dialog.h"
@@ -45,7 +48,6 @@
 // constants
 // ----------------------------------------------------------------------------
 
-const int wxMENU_HEIGHT    = 27;
 const int wxSTATUS_HEIGHT  = 25;
 const int wxPLACE_HOLDER   = 0;
 
@@ -148,7 +150,7 @@ static void gtk_toolbar_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidge
 
 /* Callback for wxFrame. This very strange beast has to be used because
  * C++ has no virtual methods in a constructor. We have to emulate a
- * virtual function here as wxWindows requires different ways to insert
+ * virtual function here as wxWidgets requires different ways to insert
  * a child in container classes. */
 
 static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
@@ -165,7 +167,7 @@ static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
                          child->m_y,
                          child->m_width,
                          child->m_height );
-
+                         
 #if wxUSE_TOOLBAR_NATIVE
         // We connect to these events for recalculating the client area
         // space when the toolbar is floating
@@ -193,7 +195,7 @@ static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
                          child->m_width,
                          child->m_height );
     }
-
+    
     // Resize on OnInternalIdle
     parent->GtkUpdateSize();
 }
@@ -206,6 +208,7 @@ void wxFrame::Init()
 {
     m_menuBarDetached = FALSE;
     m_toolBarDetached = FALSE;
+    m_menuBarHeight = 2;
 }
 
 bool wxFrame::Create( wxWindow *parent,
@@ -216,9 +219,10 @@ bool wxFrame::Create( wxWindow *parent,
                       long style,
                       const wxString &name )
 {
-    bool rt = wxTopLevelWindow::Create(parent, id, title, pos, sizeOrig, 
+    bool rt = wxTopLevelWindow::Create(parent, id, title, pos, sizeOrig,
                                        style, name);
     m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
+    
     return rt;
 }
 
@@ -235,7 +239,7 @@ wxFrame::~wxFrame()
 void wxFrame::DoGetClientSize( int *width, int *height ) const
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
-    
+
     wxTopLevelWindow::DoGetClientSize( width, height );
 
     if (height)
@@ -245,7 +249,7 @@ void wxFrame::DoGetClientSize( int *width, int *height ) const
         if (m_frameMenuBar)
         {
             if (!m_menuBarDetached)
-                (*height) -= wxMENU_HEIGHT;
+                (*height) -= m_menuBarHeight;
             else
                 (*height) -= wxPLACE_HOLDER;
         }
@@ -253,7 +257,7 @@ void wxFrame::DoGetClientSize( int *width, int *height ) const
 
 #if wxUSE_STATUSBAR
         // status bar
-        if (m_frameStatusBar && m_frameStatusBar->IsShown()) 
+        if (m_frameStatusBar && m_frameStatusBar->IsShown())
             (*height) -= wxSTATUS_HEIGHT;
 #endif // wxUSE_STATUSBAR
 
@@ -292,7 +296,7 @@ void wxFrame::DoSetClientSize( int width, int height )
         if (m_frameMenuBar)
         {
             if (!m_menuBarDetached)
-                height += wxMENU_HEIGHT;
+                height += m_menuBarHeight;
             else
                 height += wxPLACE_HOLDER;
         }
@@ -396,7 +400,7 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
             int xx = m_miniEdge;
             int yy = m_miniEdge + m_miniTitle;
             int ww = m_width  - 2*m_miniEdge;
-            int hh = wxMENU_HEIGHT;
+            int hh = m_menuBarHeight;
             if (m_menuBarDetached) hh = wxPLACE_HOLDER;
             m_frameMenuBar->m_x = xx;
             m_frameMenuBar->m_y = yy;
@@ -419,7 +423,7 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
             if (m_frameMenuBar)
             {
                 if (!m_menuBarDetached)
-                    yy += wxMENU_HEIGHT;
+                    yy += m_menuBarHeight;
                 else
                     yy += wxPLACE_HOLDER;
             }
@@ -443,7 +447,7 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
                 ww = m_width - 2*m_miniEdge;
                 hh = m_toolBarDetached ? wxPLACE_HOLDER
                                        : m_frameToolBar->m_height;
-                                       
+
                 client_area_y_offset += hh;
             }
 
@@ -507,7 +511,7 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 
 void wxFrame::OnInternalIdle()
 {
-    wxTopLevelWindow::OnInternalIdle();
+    wxFrameBase::OnInternalIdle();
 
 #if wxUSE_MENUS_NATIVE
     if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
@@ -516,7 +520,20 @@ void wxFrame::OnInternalIdle()
     if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
 #endif
 #if wxUSE_STATUSBAR
-    if (m_frameStatusBar) m_frameStatusBar->OnInternalIdle();
+    if (m_frameStatusBar)
+    {
+        m_frameStatusBar->OnInternalIdle();
+
+        // There may be controls in the status bar that
+        // need to be updated
+        for ( wxWindowList::compatibility_iterator node = m_frameStatusBar->GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
+        {
+            wxWindow *child = node->GetData();
+            child->OnInternalIdle();
+        }
+    }
 #endif
 }
 
@@ -576,12 +593,35 @@ void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
             gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
                 GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
         }
+        
+        gtk_widget_show( m_frameMenuBar->m_widget );
 
-        m_frameMenuBar->Show( TRUE );
+        UpdateMenuBarSize();
     }
+    else
+    {
+        m_menuBarHeight = 2;
+        GtkUpdateSize();        // resize window in OnInternalIdle
+    }
+}
 
-    // resize window in OnInternalIdle
-    m_sizeSet = FALSE;
+void wxFrame::UpdateMenuBarSize()
+{
+    wxASSERT_MSG( m_frameMenuBar, _T("Updating non existant menubar?") );
+
+    GtkRequisition  req;
+
+    req.width = 2;
+    req.height = 2;
+
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_frameMenuBar->m_widget) )->size_request )
+        (m_frameMenuBar->m_widget, &req );
+
+    m_menuBarHeight = req.height;
+
+        // resize window in OnInternalIdle
+
+    GtkUpdateSize();
 }
 
 #endif // wxUSE_MENUS_NATIVE
@@ -598,16 +638,18 @@ wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& na
 
     m_insertInClientArea = TRUE;
 
-    m_sizeSet = FALSE;
+    GtkUpdateSize();
 
     return m_frameToolBar;
 }
 
 void wxFrame::SetToolBar(wxToolBar *toolbar)
 {
+    bool hadTbar = m_frameToolBar != NULL;
+
     wxFrameBase::SetToolBar(toolbar);
 
-    if (m_frameToolBar)
+    if ( m_frameToolBar )
     {
         // insert into toolbar area if not already there
         if ((m_frameToolBar->m_widget->parent) &&
@@ -619,6 +661,14 @@ void wxFrame::SetToolBar(wxToolBar *toolbar)
             GtkUpdateSize();
         }
     }
+    else // toolbar unset
+    {
+        // still need to update size if it had been there before
+        if ( hadTbar )
+        {
+            GtkUpdateSize();
+        }
+    }
 }
 
 #endif // wxUSE_TOOLBAR
@@ -633,17 +683,27 @@ wxStatusBar* wxFrame::CreateStatusBar(int number,
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
     // because it will change when toolbar is added
-    m_sizeSet = FALSE;
+    GtkUpdateSize();
 
     return wxFrameBase::CreateStatusBar( number, style, id, name );
 }
 
+void wxFrame::SetStatusBar(wxStatusBar *statbar)
+{
+    bool hadStatBar = m_frameStatusBar != NULL;
+    
+    wxFrameBase::SetStatusBar(statbar);
+    
+    if (hadStatBar && !m_frameStatusBar) 
+        GtkUpdateSize();
+}
+
 void wxFrame::PositionStatusBar()
 {
     if ( !m_frameStatusBar )
         return;
 
-    m_sizeSet = FALSE;
+    GtkUpdateSize();
 }
 #endif // wxUSE_STATUSBAR