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[wxWidgets.git] / src / gtk1 / slider.cpp

diff --git a/src/gtk1/slider.cpp b/src/gtk1/slider.cpp
index e7f36d0c4ce00226eb5ddbceb887c2ce9fb0f890..838a5d2549b0ed95c6ceb645bafc25d27f54543f 100644 (file)
--- a/src/gtk1/slider.cpp
+++ b/src/gtk1/slider.cpp
@@ -4,7 +4,7 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// Licence:           wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -12,11 +12,15 @@
 #endif
 
 #include "wx/slider.h"
 #endif
 
 #include "wx/slider.h"

+
+#if wxUSE_SLIDER
+

 #include "wx/utils.h"
 #include "wx/utils.h"

+

 #include <math.h>
 
 #include <math.h>
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -31,45 +35,45 @@ extern bool g_isIdle;
 
 extern bool   g_blockEventsOnDrag;
 
 
 extern bool   g_blockEventsOnDrag;
 

+static const float sensitivity = 0.02;
+

 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------
 

-static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win )
-{ 
+static void gtk_slider_callback( GtkAdjustment *adjust, wxSlider *win )
+{

     if (g_isIdle) wxapp_install_idle_handler();
 
     if (g_isIdle) wxapp_install_idle_handler();
 

-    if (!win->HasVMT()) return;
+    if (!win->m_hasVMT) return;

     if (g_blockEventsOnDrag) 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;
-  
-    float line_step = win->m_adjust->step_increment;
-    float page_step = win->m_adjust->page_increment;
-  
-    if (fabs(win->m_adjust->value-win->m_adjust->lower) < 0.2) command = wxEVT_SCROLL_BOTTOM;
-    else if (fabs(win->m_adjust->value-win->m_adjust->upper) < 0.2) command = wxEVT_SCROLL_TOP;
-    else if (fabs(diff-line_step) < 0.2) command = wxEVT_SCROLL_LINEDOWN;
-    else if (fabs(diff+line_step) < 0.2) command = wxEVT_SCROLL_LINEUP;
-    else if (fabs(diff-page_step) < 0.2) command = wxEVT_SCROLL_PAGEDOWN;
-    else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP;
-    else command = wxEVT_SCROLL_THUMBTRACK;
-
-    int value = (int)ceil(win->m_adjust->value);
-      
+
+    float diff = adjust->value - win->m_oldPos;
+    if (fabs(diff) < sensitivity) return;
+
+    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;
+
+    int value = (int)ceil(adjust->value);
+

     int orient = wxHORIZONTAL;
     int orient = wxHORIZONTAL;

-    if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxVERTICAL;
-  
+    if ( (win->GetWindowStyleFlag() & wxSB_VERTICAL) == wxSB_VERTICAL)
+        orient = wxVERTICAL;
+

     wxScrollEvent event( command, win->GetId(), value, orient );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
     wxScrollEvent event( command, win->GetId(), value, orient );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );

-  
+

     wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
     cevent.SetEventObject( win );
     wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
     cevent.SetEventObject( win );

+    cevent.SetInt( value );

     win->GetEventHandler()->ProcessEvent( cevent );
 }
 
     win->GetEventHandler()->ProcessEvent( cevent );
 }
 


@@ -79,14 +83,6 @@ static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win )
 
 IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl)
 

-wxSlider::wxSlider(void)
-{
-}
-
-wxSlider::~wxSlider(void)
-{
-}
-

 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
         int value, int minValue, int maxValue,
         const wxPoint& pos, const wxSize& size,
 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
         int value, int minValue, int maxValue,
         const wxPoint& pos, const wxSize& size,


@@ -94,10 +90,13 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id,
 {
     m_acceptsFocus = TRUE;
     m_needParent = TRUE;
 {
     m_acceptsFocus = TRUE;
     m_needParent = TRUE;

-  
-    PreCreation( parent, id, pos, size, style, name );
-  
-    SetValidator( validator );
+
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxSlider creation failed") );
+           return FALSE;
+    }

 
     m_oldPos = 0.0;
 
 
     m_oldPos = 0.0;
 


@@ -105,59 +104,58 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id,
         m_widget = gtk_vscale_new( (GtkAdjustment *) NULL );
     else
         m_widget = gtk_hscale_new( (GtkAdjustment *) NULL );
         m_widget = gtk_vscale_new( (GtkAdjustment *) NULL );
     else
         m_widget = gtk_hscale_new( (GtkAdjustment *) NULL );

-    
+

     if (style & wxSL_LABELS)
     {
         gtk_scale_set_draw_value( GTK_SCALE( m_widget ), TRUE );
     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 */
+           gtk_scale_set_digits( GTK_SCALE( m_widget ), 0 );
+
+        /* labels need more space and too small window will
+           cause junk to appear on the dialog */

         if (style & wxSL_VERTICAL)
         if (style & wxSL_VERTICAL)

-       {
-           wxSize sz( size );
-           if (sz.x < 35)
-           {
-               sz.x = 35;
-               SetSize( sz );
-           }
-       }
+        {
+            wxSize sz( size );
+            if (sz.x < 35)
+            {
+                sz.x = 35;
+                SetSize( sz );
+            }
+        }

         else
         else

-       {
-           wxSize sz( size );
-           if (sz.y < 35)
-           {
-               sz.y = 35;
-               SetSize( sz );
-           }
-       }
+        {
+            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) );
     }
     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), 
+
+    gtk_signal_connect( GTK_OBJECT(m_adjust),

                         "value_changed",
                         "value_changed",

-                       (GtkSignalFunc) gtk_slider_callback, 
-                       (gpointer) this );
-       
+                        (GtkSignalFunc) gtk_slider_callback,
+                        (gpointer) this );
+

     SetRange( minValue, maxValue );
     SetValue( value );
     SetRange( minValue, maxValue );
     SetValue( value );

-  
-    m_parent->AddChild( this );

 
 

-    (m_parent->m_insertCallback)( m_parent, this );
-  
+    m_parent->DoAddChild( this );
+

     PostCreation();
     PostCreation();

-  
+

     SetBackgroundColour( parent->GetBackgroundColour() );
 
     Show( TRUE );
     SetBackgroundColour( parent->GetBackgroundColour() );
 
     Show( TRUE );

-    
+

     return TRUE;
 }
 
     return TRUE;
 }
 

-int wxSlider::GetValue(void) const
+int wxSlider::GetValue() const

 {
     return (int)(m_adjust->value+0.5);
 }
 {
     return (int)(m_adjust->value+0.5);
 }


@@ -167,9 +165,9 @@ void wxSlider::SetValue( int value )
     float fpos = (float)value;
     m_oldPos = fpos;
     if (fabs(fpos-m_adjust->value) < 0.2) return;
     float fpos = (float)value;
     m_oldPos = fpos;
     if (fabs(fpos-m_adjust->value) < 0.2) return;

-    
+

     m_adjust->value = fpos;
     m_adjust->value = fpos;

-  
+

     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
 }
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
 }
 


@@ -177,25 +175,27 @@ void wxSlider::SetRange( int minValue, int maxValue )
 {
     float fmin = (float)minValue;
     float fmax = (float)maxValue;
 {
     float fmin = (float)minValue;
     float fmax = (float)maxValue;

-      
+

     if ((fabs(fmin-m_adjust->lower) < 0.2) &&
         (fabs(fmax-m_adjust->upper) < 0.2))
     {
         return;
     }
     if ((fabs(fmin-m_adjust->lower) < 0.2) &&
         (fabs(fmax-m_adjust->upper) < 0.2))
     {
         return;
     }

-      
+

     m_adjust->lower = fmin;
     m_adjust->upper = fmax;
     m_adjust->lower = fmin;
     m_adjust->upper = fmax;

+    m_adjust->step_increment = 1.0;
+    m_adjust->page_increment = ceil((fmax-fmin) / 10.0);

 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 

-int wxSlider::GetMin(void) const
+int wxSlider::GetMin() const

 {
     return (int)ceil(m_adjust->lower);
 }
 
 {
     return (int)ceil(m_adjust->lower);
 }
 

-int wxSlider::GetMax(void) const
+int wxSlider::GetMax() const

 {
     return (int)ceil(m_adjust->upper);
 }
 {
     return (int)ceil(m_adjust->upper);
 }


@@ -203,15 +203,15 @@ int wxSlider::GetMax(void) const
 void wxSlider::SetPageSize( int pageSize )
 {
     float fpage = (float)pageSize;
 void wxSlider::SetPageSize( int pageSize )
 {
     float fpage = (float)pageSize;

-      
+

     if (fabs(fpage-m_adjust->page_increment) < 0.2) return;
     if (fabs(fpage-m_adjust->page_increment) < 0.2) return;

-      
+

     m_adjust->page_increment = fpage;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 
     m_adjust->page_increment = fpage;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 

-int wxSlider::GetPageSize(void) const
+int wxSlider::GetPageSize() const

 {
     return (int)ceil(m_adjust->page_increment);
 }
 {
     return (int)ceil(m_adjust->page_increment);
 }


@@ -219,15 +219,15 @@ int wxSlider::GetPageSize(void) const
 void wxSlider::SetThumbLength( int len )
 {
     float flen = (float)len;
 void wxSlider::SetThumbLength( int len )
 {
     float flen = (float)len;

-      
+

     if (fabs(flen-m_adjust->page_size) < 0.2) return;
     if (fabs(flen-m_adjust->page_size) < 0.2) return;

-      
+

     m_adjust->page_size = flen;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 
     m_adjust->page_size = flen;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
 }
 

-int wxSlider::GetThumbLength(void) const
+int wxSlider::GetThumbLength() const

 {
     return (int)ceil(m_adjust->page_size);
 }
 {
     return (int)ceil(m_adjust->page_size);
 }


@@ -236,7 +236,7 @@ void wxSlider::SetLineSize( int WXUNUSED(lineSize) )
 {
 }
 
 {
 }
 

-int wxSlider::GetLineSize(void) const
+int wxSlider::GetLineSize() const

 {
     return 0;
 }
 {
     return 0;
 }


@@ -249,12 +249,12 @@ void wxSlider::SetTickFreq( int WXUNUSED(n), int WXUNUSED(pos) )
 {
 }
 
 {
 }
 

-int wxSlider::GetTickFreq(void) const
+int wxSlider::GetTickFreq() const

 {
     return 0;
 }
 
 {
     return 0;
 }
 

-void wxSlider::ClearTicks(void)
+void wxSlider::ClearTicks()

 {
 }
 
 {
 }
 


@@ -262,17 +262,17 @@ void wxSlider::SetSelection( int WXUNUSED(minPos), int WXUNUSED(maxPos) )
 {
 }
 
 {
 }
 

-int wxSlider::GetSelEnd(void) const
+int wxSlider::GetSelEnd() const

 {
     return 0;
 }
 
 {
     return 0;
 }
 

-int wxSlider::GetSelStart(void) const
+int wxSlider::GetSelStart() const

 {
     return 0;
 }
 
 {
     return 0;
 }
 

-void wxSlider::ClearSel(void)
+void wxSlider::ClearSel()

 {
 }
 
 {
 }
 


@@ -281,9 +281,9 @@ bool wxSlider::IsOwnGtkWindow( GdkWindow *window )
     GtkRange *range = GTK_RANGE(m_widget);
     return ( (window == GTK_WIDGET(range)->window) ||
              (window == range->trough) ||
     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()
 }
 
 void wxSlider::ApplyWidgetStyle()


@@ -291,3 +291,5 @@ void wxSlider::ApplyWidgetStyle()
     SetWidgetStyle();
     gtk_widget_set_style( m_widget, m_widgetStyle );
 }
     SetWidgetStyle();
     gtk_widget_set_style( m_widget, m_widgetStyle );
 }

+
+#endif