cleanup - reformatting; simplified OnPaint

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

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index fa4e690b3b6f34f6a1a2117580ba48b61e8b81dd..e573871d0de99a1893668a8689fe25169722bab9 100644 (file)
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -47,6 +47,7 @@
 #include "wx/settings.h"
 #include "wx/log.h"
 #include "wx/fontutil.h"
+#include "wx/stattext.h"
 
 #ifdef __WXDEBUG__
     #include "wx/thread.h"
@@ -3542,13 +3543,40 @@ void wxWindowGTK::RealizeTabOrder()
     {
         if ( !m_children.empty() )
         {
+#if wxUSE_STATTEXT
+            // we don't only construct the correct focus chain but also use
+            // this opportunity to update the mnemonic widgets for all labels
+            //
+            // it would be nice to extract this code from here and put it in
+            // stattext.cpp to reduce dependencies but there is no really easy
+            // way to do it unfortunately
+            wxStaticText *lastLabel = NULL;
+#endif // wxUSE_STATTEXT
+
             GList *chain = NULL;
 
             for ( wxWindowList::const_iterator i = m_children.begin();
                   i != m_children.end();
                   ++i )
             {
-                chain = g_list_prepend(chain, (*i)->m_widget);
+                wxWindowGTK *win = *i;
+#if wxUSE_STATTEXT
+                if ( lastLabel )
+                {
+                    if ( win->AcceptsFocusFromKeyboard() )
+                    {
+                        GtkLabel *l = GTK_LABEL(lastLabel->m_widget);
+                        gtk_label_set_mnemonic_widget(l, win->m_widget);
+                        lastLabel = NULL;
+                    }
+                }
+                else // check if this one is a label
+                {
+                    lastLabel = wxDynamicCast(win, wxStaticText);
+                }
+#endif // wxUSE_STATTEXT
+
+                chain = g_list_prepend(chain, win->m_widget);
             }
 
             chain = g_list_reverse(chain);
@@ -3624,6 +3652,39 @@ void wxWindowGTK::WarpPointer( int x, int y )
         gdk_window_warp_pointer( window, x, y );
 }
 
+static bool wxScrollAdjust(GtkAdjustment* adj, double change)
+{
+    double value_start = adj->value;
+    double value = value_start + change;
+    double upper = adj->upper - adj->page_size;
+    if (value > upper)
+    {
+        value = upper;
+    }
+    // Lower bound will be checked by gtk_adjustment_set_value
+    gtk_adjustment_set_value(adj, value);
+    return adj->value != value_start;
+}
+
+bool wxWindowGTK::ScrollLines(int lines)
+{
+    return
+        m_vAdjust != NULL &&
+        wxScrollAdjust(m_vAdjust, lines * m_vAdjust->step_increment);
+}
+
+bool wxWindowGTK::ScrollPages(int pages)
+{
+    return
+        m_vAdjust != NULL &&
+        wxScrollAdjust(m_vAdjust, pages * m_vAdjust->page_increment);
+}
+
+void wxWindowGTK::SetVScrollAdjustment(GtkAdjustment* adj)
+{
+    wxASSERT(m_vAdjust == NULL);
+    m_vAdjust = adj;
+}
 
 void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 {