speeding up rectangle drawing by using specific methods, needs 40% less time

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

diff --git a/src/gtk/statbox.cpp b/src/gtk/statbox.cpp
index bb499a7cda03c64148d1ee434652708c98650df5..56cd02327be62225ca664c7e0ef1bed8693dc104 100644 (file)
--- a/src/gtk/statbox.cpp
+++ b/src/gtk/statbox.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/statbox.cpp
+// Name:        src/gtk/statbox.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -13,16 +13,42 @@
 #if wxUSE_STATBOX
 
 #include "wx/statbox.h"
-#include "wx/gtk/private.h"
+#include "wx/gtk/private/win_gtk.h"     // for wxPizza
 
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include <gtk/gtk.h>
+#include "wx/gtk/private/gtk2-compat.h"
+
+// constants taken from GTK sources
+#define LABEL_PAD 1
+#define LABEL_SIDE_PAD 2
 
 //-----------------------------------------------------------------------------
-// wxStaticBox
+// "size_allocate" from m_widget
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
+extern "C" {
+static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
+{
+    // clip label as GTK >= 2.12 does
+    GtkWidget* label_widget = gtk_frame_get_label_widget(GTK_FRAME(widget));
+    int w = alloc->width -
+        2 * gtk_widget_get_style(widget)->xthickness - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
+    if (w < 0)
+        w = 0;
+
+    GtkAllocation a;
+    gtk_widget_get_allocation(label_widget, &a);
+    if (a.width > w)
+    {
+        a.width = w;
+        gtk_widget_size_allocate(label_widget, &a);
+    }
+}
+}
+
+//-----------------------------------------------------------------------------
+// wxStaticBox
+//-----------------------------------------------------------------------------
 
 wxStaticBox::wxStaticBox()
 {
@@ -47,16 +73,17 @@ bool wxStaticBox::Create( wxWindow *parent,
                           long style,
                           const wxString& name )
 {
-    m_needParent = TRUE;
-
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
     {
         wxFAIL_MSG( wxT("wxStaticBox creation failed") );
-        return FALSE;
+        return false;
     }
 
     m_widget = GTKCreateFrame(label);
+    g_object_ref(m_widget);
+
+    // only base SetLabel needs to be called after GTKCreateFrame
     wxControl::SetLabel(label);
 
     m_parent->DoAddChild( this );
@@ -64,18 +91,35 @@ bool wxStaticBox::Create( wxWindow *parent,
     PostCreation(size);
 
     // need to set non default alignment?
-    gfloat xalign;
+    gfloat xalign = 0;
     if ( style & wxALIGN_CENTER )
         xalign = 0.5;
     else if ( style & wxALIGN_RIGHT )
         xalign = 1.0;
-    else // wxALIGN_LEFT
-        xalign = 0.0;
 
-    if ( style & (wxALIGN_RIGHT | wxALIGN_CENTER) ) // left alignment is default
-        gtk_frame_set_label_align(GTK_FRAME( m_widget ), xalign, 0.5);
+    gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
+
+    if (gtk_check_version(2, 12, 0))
+    {
+        // we connect this signal to perform label-clipping as GTK >= 2.12 does
+        g_signal_connect(m_widget, "size_allocate", G_CALLBACK(size_allocate), NULL);
+    }
+
+    return true;
+}
+
+void wxStaticBox::AddChild( wxWindowBase *child )
+{
+    if (!m_wxwindow)
+    {
+        // make this window a container of other wxWindows by instancing a wxPizza
+        // and packing it into the GtkFrame:
+        m_wxwindow = wxPizza::New();
+        gtk_widget_show( m_wxwindow );
+        gtk_container_add( GTK_CONTAINER (m_widget), m_wxwindow );
+    }
 
-    return TRUE;
+    wxWindow::AddChild( child );
 }
 
 void wxStaticBox::SetLabel( const wxString& label )