Themes and threads testing code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5307 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

misc/theme_test/Makefile

@@ -0,0 +1,8 @@
+
+CC = gcc
+
+test: test.c 
+	$(CC) `gtk-config --cflags`  test.c -o test `gtk-config --libs`
+
+clean: 
+	rm -f *.o test

misc/theme_test/test.c

@@ -0,0 +1,207 @@
+
+#include <gtk/gtk.h>
+
+/* This function rotates the position of the tabs */
+void rotate_book (GtkButton *button, GtkNotebook *notebook)
+{
+    gtk_notebook_set_tab_pos (notebook, (notebook->tab_pos +1) %4);
+}
+
+/* Add/Remove the page tabs and the borders */
+void tabsborder_book (GtkButton *button, GtkNotebook *notebook)
+{
+    gint tval = FALSE;
+    gint bval = FALSE;
+    if (notebook->show_tabs == 0)
+	    tval = TRUE; 
+    if (notebook->show_border == 0)
+	    bval = TRUE;
+    
+    gtk_notebook_set_show_tabs (notebook, tval);
+    gtk_notebook_set_show_border (notebook, bval);
+}
+
+/* Remove a page from the notebook */
+void remove_book (GtkButton *button, GtkNotebook *notebook)
+{
+    gint page;
+    
+    page = gtk_notebook_get_current_page(notebook);
+    gtk_notebook_remove_page (notebook, page);
+    /* Need to refresh the widget -- 
+     This forces the widget to redraw itself. */
+    gtk_widget_draw(GTK_WIDGET(notebook), NULL);
+}
+
+void delete (GtkWidget *widget, GtkWidget *event, gpointer data)
+{
+    gtk_main_quit ();
+}
+
+void assign_new_style(GtkWidget *widget)
+{
+    GtkStyle *default_style,*new_style;
+    
+    default_style = gtk_rc_get_style( widget );
+
+    if (!default_style)
+        default_style = gtk_widget_get_default_style();
+
+    new_style = gtk_style_copy( default_style );
+    new_style->engine_data = default_style->engine_data;
+    new_style->klass = default_style->klass;
+    
+    gtk_widget_set_style( widget, new_style );
+}
+
+
+int main (int argc, char *argv[])
+{
+    GtkWidget *window;
+    GtkWidget *button;
+    GtkWidget *table;
+    GtkWidget *notebook;
+    GtkWidget *frame;
+    GtkWidget *label;
+    
+    gtk_init (&argc, &argv);
+    
+    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    
+    gtk_signal_connect (GTK_OBJECT (window), "delete_event",
+			GTK_SIGNAL_FUNC (delete), NULL);
+    
+    gtk_container_set_border_width (GTK_CONTAINER (window), 10);
+
+    table = gtk_table_new(3,6,FALSE);
+    gtk_container_add (GTK_CONTAINER (window), table);
+    
+    /* Create a new notebook, place the position of the tabs */
+    notebook = gtk_notebook_new ();
+    assign_new_style( notebook );
+    
+    gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), GTK_POS_TOP);
+    gtk_table_attach_defaults(GTK_TABLE(table), notebook, 0,6,0,1);
+    gtk_widget_show(notebook);
+    
+    /* Now finally lets prepend pages to the notebook */
+    
+	frame = gtk_frame_new ("frame");
+	gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
+	gtk_widget_set_usize (frame, 100, 75);
+	gtk_widget_show (frame);
+	
+	label = gtk_label_new ("label");
+    assign_new_style( label );
+	gtk_container_add (GTK_CONTAINER (frame), label);
+	gtk_widget_show (label);
+    
+	label = gtk_label_new ("page");
+	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);
+	
+
+	frame = gtk_frame_new ("frame");
+	gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
+	gtk_widget_set_usize (frame, 100, 75);
+	gtk_widget_show (frame);
+	
+	label = gtk_button_new_with_label ("button");
+    assign_new_style( label );
+	gtk_container_add (GTK_CONTAINER (frame), label);
+	gtk_widget_show (label);
+    
+	label = gtk_label_new ("page");
+	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);
+
+	
+
+	frame = gtk_frame_new ("frame");
+	gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
+	gtk_widget_set_usize (frame, 100, 75);
+	gtk_widget_show (frame);
+	
+	label = gtk_check_button_new_with_label ("check button");
+    assign_new_style( label );
+	gtk_container_add (GTK_CONTAINER (frame), label);
+	gtk_widget_show (label);
+    
+	label = gtk_label_new ("page");
+	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);
+	
+
+	frame = gtk_frame_new ("frame");
+	gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
+	gtk_widget_set_usize (frame, 100, 75);
+	gtk_widget_show (frame);
+	
+	label = gtk_radio_button_new_with_label (NULL, "radio button");
+    assign_new_style( label );
+	gtk_container_add (GTK_CONTAINER (frame), label);
+	gtk_widget_show (label);
+    
+	label = gtk_label_new ("page");
+	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);
+	
+
+	frame = gtk_frame_new ("frame");
+	gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
+	gtk_widget_set_usize (frame, 100, 75);
+	gtk_widget_show (frame);
+	
+	label = gtk_entry_new ();
+    assign_new_style( label );
+	gtk_container_add (GTK_CONTAINER (frame), label);
+	gtk_widget_show (label);
+    
+	label = gtk_label_new ("page");
+	gtk_notebook_append_page (GTK_NOTEBOOK (notebook), frame, label);
+    
+    /* Create a bunch of buttons */
+    button = gtk_button_new_with_label ("close");
+    gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
+			       GTK_SIGNAL_FUNC (delete), NULL);
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 0,1,1,2);
+    gtk_widget_show(button);
+    
+    button = gtk_button_new_with_label ("next page");
+    gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
+			       (GtkSignalFunc) gtk_notebook_next_page,
+			       GTK_OBJECT (notebook));
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 1,2,1,2);
+    gtk_widget_show(button);
+    
+    button = gtk_button_new_with_label ("prev page");
+    gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
+			       (GtkSignalFunc) gtk_notebook_prev_page,
+			       GTK_OBJECT (notebook));
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 2,3,1,2);
+    gtk_widget_show(button);
+    
+    button = gtk_button_new_with_label ("tab position");
+    gtk_signal_connect (GTK_OBJECT (button), "clicked",
+                        (GtkSignalFunc) rotate_book, GTK_OBJECT(notebook));
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 3,4,1,2);
+    gtk_widget_show(button);
+    
+    button = gtk_button_new_with_label ("tabs/border on/off");
+    gtk_signal_connect (GTK_OBJECT (button), "clicked",
+                        (GtkSignalFunc) tabsborder_book,
+                        GTK_OBJECT (notebook));
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 4,5,1,2);
+    gtk_widget_show(button);
+    
+    button = gtk_button_new_with_label ("remove page");
+    gtk_signal_connect (GTK_OBJECT (button), "clicked",
+                        (GtkSignalFunc) remove_book,
+                        GTK_OBJECT(notebook));
+    gtk_table_attach_defaults(GTK_TABLE(table), button, 5,6,1,2);
+    gtk_widget_show(button);
+    
+    gtk_widget_show(table);
+    gtk_widget_show(window);
+    
+    gtk_main ();
+    
+    return(0);
+}
+/* example-end */

src/gtk/app.cpp

@@ -49,6 +49,8 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 extern bool g_isIdle;
 
+bool g_mainThreadLocked = FALSE;
+
 //-----------------------------------------------------------------------------
 // local functions
 //-----------------------------------------------------------------------------
@@ -201,12 +203,16 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
     // unblock other threads wishing to do some GUI things
     wxMutexGuiLeave();
     
+    g_mainThreadLocked = TRUE;
+
     // wake up other threads
     wxUsleep( 1 );
 
     // block other thread again
     wxMutexGuiEnter();
 
+    g_mainThreadLocked = FALSE;
+
     wxapp_install_thread_wakeup();
 
     // release lock again

src/gtk/window.cpp

@@ -36,15 +36,19 @@
 #include "wx/settings.h"
 #include "wx/log.h"
 
+#ifdef __WXDEBUG__
+    #include "wx/thread.h"
+#endif
+
 #include <math.h>
 
-#include "gdk/gdk.h"
+#include <gdk/gdk.h>
-#include "gtk/gtk.h"
+#include <gtk/gtk.h>
-#include "gdk/gdkprivate.h"
+#include <gdk/gdkprivate.h>
-#include "gdk/gdkkeysyms.h"
+#include <gdk/gdkkeysyms.h>
-#include "wx/gtk/win_gtk.h"
+#include <wx/gtk/win_gtk.h>
 
-#include "gdk/gdkx.h"
+#include <gdk/gdkx.h>
 
 //-----------------------------------------------------------------------------
 // documentation on internals
@@ -198,12 +202,16 @@ static int        g_sendActivateEvent = -1;
    the last click here */
 static guint32 gs_timeLastClick = 0;
 
+extern bool g_mainThreadLocked;
+
 //-----------------------------------------------------------------------------
 // debug
 //-----------------------------------------------------------------------------
 
 #ifdef __WXDEBUG__
 
+#define DEBUG_MAIN_THREAD if (wxThread::IsMain() && g_mainThreadLocked) printf("gui reentrance");
+
 static gint gtk_debug_focus_in_callback( GtkWidget *WXUNUSED(widget),
                                          GdkEvent *WXUNUSED(event),
                                          const wxChar *WXUNUSED(name) )
@@ -590,6 +598,8 @@ static long map_to_wx_keysym( KeySym keysym )
 
 static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (!win->m_hasVMT)
         return;
 
@@ -629,6 +639,8 @@ static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExp
 static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
                                       GdkRectangle *rect, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -665,6 +677,8 @@ static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
 
 static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -817,6 +831,8 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e
 
 static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -873,6 +889,8 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk
 
 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1037,6 +1055,8 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
 
 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1155,6 +1175,8 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
 
 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1275,6 +1297,8 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion
 
 static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1335,6 +1359,8 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(
 
 static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1378,6 +1404,8 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
 
 static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1424,6 +1452,8 @@ static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_
 
 static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1470,6 +1500,8 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_
 
 static void gtk_window_vscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1504,6 +1536,8 @@ static void gtk_window_vscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 
 static void gtk_window_hscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1537,6 +1571,8 @@ static void gtk_window_hscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 
 static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1557,6 +1593,8 @@ static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxW
 
 static void gtk_window_hscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1579,6 +1617,8 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
                                                  GdkEventButton *WXUNUSED(gdk_event),
                                                  wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1600,6 +1640,8 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
                                                    GdkEventButton *WXUNUSED(gdk_event),
                                                    wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
 
 //  don't test here as we can release the mouse while being over
 //  a different window than the slider
@@ -1631,6 +1673,8 @@ wxWindow *wxWindowBase::FindFocus()
 static gint
 gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 

src/gtk1/app.cpp

@@ -49,6 +49,8 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 extern bool g_isIdle;
 
+bool g_mainThreadLocked = FALSE;
+
 //-----------------------------------------------------------------------------
 // local functions
 //-----------------------------------------------------------------------------
@@ -201,12 +203,16 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
     // unblock other threads wishing to do some GUI things
     wxMutexGuiLeave();
     
+    g_mainThreadLocked = TRUE;
+
     // wake up other threads
     wxUsleep( 1 );
 
     // block other thread again
     wxMutexGuiEnter();
 
+    g_mainThreadLocked = FALSE;
+
     wxapp_install_thread_wakeup();
 
     // release lock again

src/gtk1/window.cpp

@@ -36,15 +36,19 @@
 #include "wx/settings.h"
 #include "wx/log.h"
 
+#ifdef __WXDEBUG__
+    #include "wx/thread.h"
+#endif
+
 #include <math.h>
 
-#include "gdk/gdk.h"
+#include <gdk/gdk.h>
-#include "gtk/gtk.h"
+#include <gtk/gtk.h>
-#include "gdk/gdkprivate.h"
+#include <gdk/gdkprivate.h>
-#include "gdk/gdkkeysyms.h"
+#include <gdk/gdkkeysyms.h>
-#include "wx/gtk/win_gtk.h"
+#include <wx/gtk/win_gtk.h>
 
-#include "gdk/gdkx.h"
+#include <gdk/gdkx.h>
 
 //-----------------------------------------------------------------------------
 // documentation on internals
@@ -198,12 +202,16 @@ static int        g_sendActivateEvent = -1;
    the last click here */
 static guint32 gs_timeLastClick = 0;
 
+extern bool g_mainThreadLocked;
+
 //-----------------------------------------------------------------------------
 // debug
 //-----------------------------------------------------------------------------
 
 #ifdef __WXDEBUG__
 
+#define DEBUG_MAIN_THREAD if (wxThread::IsMain() && g_mainThreadLocked) printf("gui reentrance");
+
 static gint gtk_debug_focus_in_callback( GtkWidget *WXUNUSED(widget),
                                          GdkEvent *WXUNUSED(event),
                                          const wxChar *WXUNUSED(name) )
@@ -590,6 +598,8 @@ static long map_to_wx_keysym( KeySym keysym )
 
 static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (!win->m_hasVMT)
         return;
 
@@ -629,6 +639,8 @@ static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExp
 static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
                                       GdkRectangle *rect, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -665,6 +677,8 @@ static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
 
 static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -817,6 +831,8 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e
 
 static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -873,6 +889,8 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk
 
 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1037,6 +1055,8 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
 
 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1155,6 +1175,8 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
 
 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1275,6 +1297,8 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion
 
 static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1335,6 +1359,8 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(
 
 static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1378,6 +1404,8 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
 
 static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1424,6 +1452,8 @@ static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_
 
 static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1470,6 +1500,8 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_
 
 static void gtk_window_vscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1504,6 +1536,8 @@ static void gtk_window_vscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 
 static void gtk_window_hscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1537,6 +1571,8 @@ static void gtk_window_hscroll_callback( GtkAdjustment *adjust, wxWindow *win )
 
 static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1557,6 +1593,8 @@ static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxW
 
 static void gtk_window_hscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1579,6 +1617,8 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
                                                  GdkEventButton *WXUNUSED(gdk_event),
                                                  wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -1600,6 +1640,8 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
                                                    GdkEventButton *WXUNUSED(gdk_event),
                                                    wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
 
 //  don't test here as we can release the mouse while being over
 //  a different window than the slider
@@ -1631,6 +1673,8 @@ wxWindow *wxWindowBase::FindFocus()
 static gint
 gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
 {
+    DEBUG_MAIN_THREAD
+
     if (g_isIdle)
         wxapp_install_idle_handler();