Fixed a notebook crash and added more tests to sample.

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

diff --git a/src/gtk/slider.cpp b/src/gtk/slider.cpp
index 5f9c8915b66b13acfc924024aafeab4e7e2a8924..c28fc43e1bcfbbb7aee01ddd6c8fa0feb48e0f13 100644 (file)
--- a/src/gtk/slider.cpp
+++ b/src/gtk/slider.cpp
@@ -4,7 +4,7 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:    wxWindows licence
+// Licence:           wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -18,6 +18,13 @@
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
 
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
@@ -30,11 +37,14 @@ extern bool   g_blockEventsOnDrag;
 
 static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win )
 { 
-    if (!win->HasVMT()) return;
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
     
     float diff = win->m_adjust->value - win->m_oldPos;
     if (fabs(diff) < 0.2) return;
+    win->m_oldPos = win->m_adjust->value;
   
     wxEventType command = wxEVT_NULL;
   
@@ -49,18 +59,18 @@ static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win )
     else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP;
     else command = wxEVT_SCROLL_THUMBTRACK;
 
-    int value = (int)(win->m_adjust->value+0.5);
+    int value = (int)ceil(win->m_adjust->value);
       
     int orient = wxHORIZONTAL;
     if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxVERTICAL;
   
     wxScrollEvent event( command, win->GetId(), value, orient );
     event.SetEventObject( win );
-    win->ProcessEvent( event );
+    win->GetEventHandler()->ProcessEvent( event );
   
     wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
     cevent.SetEventObject( win );
-    win->ProcessEvent( cevent );
+    win->GetEventHandler()->ProcessEvent( cevent );
 }
 
 //-----------------------------------------------------------------------------
@@ -91,26 +101,50 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id,
 
     m_oldPos = 0.0;
 
-    if (style & wxSL_VERTICAL == wxSL_VERTICAL)
-        m_widget = gtk_hscale_new( (GtkAdjustment *) NULL );
-    else
+    if (style & wxSL_VERTICAL)
         m_widget = gtk_vscale_new( (GtkAdjustment *) NULL );
+    else
+        m_widget = gtk_hscale_new( (GtkAdjustment *) NULL );
     
-    gtk_scale_set_draw_value( GTK_SCALE( m_widget ), FALSE );
-  
+    if (style & wxSL_LABELS)
+    {
+        gtk_scale_set_draw_value( GTK_SCALE( m_widget ), TRUE );
+        
+        /* labels need more space and too small window will
+           cause junk to appear on the dialog */
+        if (style & wxSL_VERTICAL)
+        {
+            wxSize sz( size );
+            if (sz.x < 35)
+            {
+                sz.x = 35;
+                SetSize( sz );
+            }
+        }
+        else
+        {
+            wxSize sz( size );
+            if (sz.y < 35)
+            {
+                sz.y = 35;
+                SetSize( sz );
+            }
+        }
+    }
+    else
+        gtk_scale_set_draw_value( GTK_SCALE( m_widget ), FALSE );
+
     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 );
-       
+                        (GtkSignalFunc) gtk_slider_callback, 
+                        (gpointer) this );
+        
     SetRange( minValue, maxValue );
     SetValue( value );
   
-    m_parent->AddChild( this );
-
-    (m_parent->m_insertCallback)( m_parent, this );
+    m_parent->DoAddChild( this );
   
     PostCreation();
   
@@ -156,12 +190,12 @@ void wxSlider::SetRange( int minValue, int maxValue )
 
 int wxSlider::GetMin(void) const
 {
-    return (int)(m_adjust->lower+0.5);
+    return (int)ceil(m_adjust->lower);
 }
 
 int wxSlider::GetMax(void) const
 {
-    return (int)(m_adjust->upper+0.5);
+    return (int)ceil(m_adjust->upper);
 }
 
 void wxSlider::SetPageSize( int pageSize )
@@ -177,7 +211,7 @@ void wxSlider::SetPageSize( int pageSize )
 
 int wxSlider::GetPageSize(void) const
 {
-    return (int)(m_adjust->page_increment+0.5);
+    return (int)ceil(m_adjust->page_increment);
 }
 
 void wxSlider::SetThumbLength( int len )
@@ -193,7 +227,7 @@ void wxSlider::SetThumbLength( int len )
 
 int wxSlider::GetThumbLength(void) const
 {
-    return (int)(m_adjust->page_size+0.5);
+    return (int)ceil(m_adjust->page_size);
 }
 
 void wxSlider::SetLineSize( int WXUNUSED(lineSize) )
@@ -245,9 +279,9 @@ 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) );
+             (window == range->slider) ||
+             (window == range->step_forw) ||
+             (window == range->step_back) );
 }
 
 void wxSlider::ApplyWidgetStyle()