Allow wx parents a chance to handle events fired by non-wx children. (i.e. wxActiveX...

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

diff --git a/src/gtk/slider.cpp b/src/gtk/slider.cpp
index eeb55ab4f525e1fa82b2318a32bb44f4027b394f..1a72e1608983e565483b4fdc1fcf827c0248483f 100644 (file)
--- a/src/gtk/slider.cpp
+++ b/src/gtk/slider.cpp
@@ -7,20 +7,16 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "slider.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/slider.h"
 
 #if wxUSE_SLIDER
 
 #include "wx/utils.h"
-
-#include <math.h>
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/math.h"
+#include "wx/gtk/private.h"
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -41,7 +37,10 @@ static const float sensitivity = 0.02;
 // "value_changed"
 //-----------------------------------------------------------------------------
 
-static void gtk_slider_callback( GtkAdjustment *adjust, wxSlider *win )
+extern "C" {
+static void gtk_slider_callback( GtkAdjustment *adjust,
+                                 SCROLLBAR_CBACK_ARG
+                                 wxSlider *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();
 
@@ -53,13 +52,7 @@ static void gtk_slider_callback( GtkAdjustment *adjust, wxSlider *win )
 
     win->m_oldPos = adjust->value;
 
-    GtkRange *range = GTK_RANGE( win->m_widget );
-
-    wxEventType command = wxEVT_SCROLL_THUMBTRACK;
-    if      (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLL_LINEUP;
-    else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD)  command = wxEVT_SCROLL_LINEDOWN;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLL_PAGEUP;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD)  command = wxEVT_SCROLL_PAGEDOWN;
+    wxEventType command = GtkScrollTypeToWx(GET_SCROLL_TYPE(win->m_widget));
 
     double dvalue = adjust->value;
     int value = (int)(dvalue < 0 ? dvalue - 0.5 : dvalue + 0.5);
@@ -76,6 +69,7 @@ static void gtk_slider_callback( GtkAdjustment *adjust, wxSlider *win )
     cevent.SetInt( value );
     win->GetEventHandler()->ProcessEvent( cevent );
 }
+}
 
 //-----------------------------------------------------------------------------
 // wxSlider
@@ -136,21 +130,19 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id,
 
     m_adjust = gtk_range_get_adjustment( GTK_RANGE(m_widget) );
 
-    gtk_signal_connect( GTK_OBJECT(m_adjust),
-                        "value_changed",
-                        (GtkSignalFunc) gtk_slider_callback,
-                        (gpointer) this );
+#ifdef __WXGTK20__
+    if (style & wxSL_INVERSE)
+        gtk_range_set_inverted( GTK_RANGE(m_widget), TRUE );
+#endif
+
+    GtkEnableEvents();
 
     SetRange( minValue, maxValue );
     SetValue( value );
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
-
-    Show( TRUE );
+    PostCreation(size);
 
     return TRUE;
 }
@@ -171,7 +163,11 @@ void wxSlider::SetValue( int value )
 
     m_adjust->value = fpos;
 
+    GtkDisableEvents();
+    
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
+    
+    GtkEnableEvents();
 }
 
 void wxSlider::SetRange( int minValue, int maxValue )
@@ -190,7 +186,11 @@ void wxSlider::SetRange( int minValue, int maxValue )
     m_adjust->step_increment = 1.0;
     m_adjust->page_increment = ceil((fmax-fmin) / 10.0);
 
+    GtkDisableEvents();
+    
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+    
+    GtkEnableEvents();
 }
 
 int wxSlider::GetMin() const
@@ -211,7 +211,11 @@ void wxSlider::SetPageSize( int pageSize )
 
     m_adjust->page_increment = fpage;
 
+    GtkDisableEvents();
+    
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+    
+    GtkEnableEvents();
 }
 
 int wxSlider::GetPageSize() const
@@ -227,7 +231,11 @@ void wxSlider::SetThumbLength( int len )
 
     m_adjust->page_size = flen;
 
+    GtkDisableEvents();
+    
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+    
+    GtkEnableEvents();
 }
 
 int wxSlider::GetThumbLength() const
@@ -247,17 +255,37 @@ int wxSlider::GetLineSize() const
 bool wxSlider::IsOwnGtkWindow( GdkWindow *window )
 {
     GtkRange *range = GTK_RANGE(m_widget);
-    return ( (window == GTK_WIDGET(range)->window) ||
-             (window == range->trough) ||
-             (window == range->slider) ||
-             (window == range->step_forw) ||
-             (window == range->step_back) );
+#ifdef __WXGTK20__
+    return (range->event_window == window);
+#else
+    return ( (window == GTK_WIDGET(range)->window)
+                || (window == range->trough)
+                || (window == range->slider)
+                || (window == range->step_forw)
+                || (window == range->step_back) );
+#endif
+}
+
+void wxSlider::GtkDisableEvents()
+{
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
+                        GTK_SIGNAL_FUNC(gtk_slider_callback),
+                        (gpointer) this );
+}
+
+void wxSlider::GtkEnableEvents()
+{
+    gtk_signal_connect( GTK_OBJECT (m_adjust),
+                        "value_changed",
+                        GTK_SIGNAL_FUNC(gtk_slider_callback),
+                        (gpointer) this );
 }
 
-void wxSlider::ApplyWidgetStyle()
+// static
+wxVisualAttributes
+wxSlider::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    return GetDefaultAttributesFromGTKWidget(gtk_vscale_new);
 }
 
 #endif