// Name: scrolbar.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/scrolbar.h"
#include "wx/utils.h"
+#include <math.h>
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
extern bool g_blockEventsOnDrag;
+extern bool g_blockEventsOnScroll;
//-----------------------------------------------------------------------------
// "value_changed"
float line_step = win->m_adjust->step_increment;
float page_step = win->m_adjust->page_increment;
- 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;
+ if (win->m_isScrolling)
+ {
+ command = wxEVT_SCROLL_THUMBTRACK;
+ }
+ else
+ {
+ 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)(win->m_adjust->value+0.5);
int orient = wxHORIZONTAL;
- if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxHORIZONTAL;
+ if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxVERTICAL;
wxScrollEvent event( command, win->GetId(), value, orient );
event.SetEventObject( win );
// "button_press_event" from slider
//-----------------------------------------------------------------------------
-static gint gtk_scrollbar_button_press_callback( GtkRange *widget, GdkEventButton *gdk_event, wxScrollBar *win )
+static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
+ GdkEventButton *WXUNUSED(gdk_event),
+ wxScrollBar *win )
{
- if (gdk_event->window != widget->slider) return FALSE;
-
win->m_isScrolling = TRUE;
+ g_blockEventsOnScroll = TRUE;
return FALSE;
}
// "button_release_event" from slider
//-----------------------------------------------------------------------------
-static gint gtk_scrollbar_button_release_callback( GtkRange *widget, GdkEventButton *gdk_event, wxScrollBar *win )
+static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
+ GdkEventButton *WXUNUSED(gdk_event),
+ wxScrollBar *win )
{
- if (gdk_event->window != widget->slider) return FALSE;
-
- gtk_signal_emit_by_name( GTK_OBJECT(win->m_adjust), "value_changed" );
-
win->m_isScrolling = FALSE;
+ g_blockEventsOnScroll = FALSE;
+ gtk_signal_emit_by_name( GTK_OBJECT(win->m_adjust), "value_changed" );
+
return FALSE;
}
gtk_signal_connect( GTK_OBJECT(m_widget), "button_release_event",
(GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
+ m_parent->AddChild( this );
+
+ (m_parent->m_insertCallback)( m_parent, this );
+
PostCreation();
+ SetBackgroundColour( parent->GetBackgroundColour() );
+
Show( TRUE );
return TRUE;
}
-int wxScrollBar::GetPosition(void) const
+int wxScrollBar::GetThumbPosition(void) const
{
return (int)(m_adjust->value+0.5);
}
return (int)(m_adjust->upper+0.5);
}
-void wxScrollBar::SetPosition( int viewStart )
+void wxScrollBar::SetThumbPosition( int viewStart )
{
+ if (m_isScrolling) return;
+
float fpos = (float)viewStart;
m_oldPos = fpos;
if (fabs(fpos-m_adjust->value) < 0.2) return;
m_adjust->value = fpos;
-
- if (!m_isScrolling)
- gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
+
+ gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
}
void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int pageSize,
(fabs(fthumb-m_adjust->page_size) < 0.2) &&
(fabs(fpage-m_adjust->page_increment) < 0.2))
{
- SetPosition( position );
+ SetThumbPosition( position );
return;
}
-
+
m_oldPos = fpos;
m_adjust->lower = 0.0;
m_adjust->upper = frange;
m_adjust->value = fpos;
m_adjust->step_increment = 1.0;
- m_adjust->page_increment = (float)(wxMax(fpage-2,0));
+ m_adjust->page_increment = (float)(wxMax(fpage,0));
m_adjust->page_size = fthumb;
gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
// Backward compatibility
int wxScrollBar::GetValue(void) const
{
- return GetPosition();
+ return GetThumbPosition();
}
void wxScrollBar::SetValue( int viewStart )
{
- SetPosition( viewStart );
+ SetThumbPosition( viewStart );
}
void wxScrollBar::GetValues( int *viewStart, int *viewLength, int *objectLength, int *pageLength ) const
(window == range->step_forw) ||
(window == range->step_back) );
}
+
+void wxScrollBar::ApplyWidgetStyle()
+{
+ SetWidgetStyle();
+ gtk_widget_set_style( m_widget, m_widgetStyle );
+}
+