static void gtk_scrollbar_callback( GtkAdjustment *adjust,
SCROLLBAR_CBACK_ARG
wxScrollBar *win )
-{
+{
if (g_isIdle) wxapp_install_idle_handler();
if (!win->m_hasVMT) return;
if (g_blockEventsOnDrag) return;
-
+
float diff = adjust->value - win->m_oldPos;
if (fabs(diff) < sensitivity) return;
-
+
win->m_oldPos = adjust->value;
wxEventType command = GtkScrollTypeToWx(GET_SCROLL_TYPE(win->m_widget));
double dvalue = adjust->value;
int value = (int)(dvalue < 0 ? dvalue - 0.5 : dvalue + 0.5);
-
+
int orient = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL;
-
+
wxScrollEvent event( command, win->GetId(), value, orient );
event.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( event );
-
+
/*
wxCommandEvent cevent( wxEVT_COMMAND_SCROLLBAR_UPDATED, win->GetId() );
cevent.SetEventObject( win );
// "button_press_event" from slider
//-----------------------------------------------------------------------------
-static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
- GdkEventButton *gdk_event,
+static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
+ GdkEventButton *gdk_event,
wxScrollBar *win )
{
if (g_isIdle) wxapp_install_idle_handler();
#ifndef __WXGTK20__
win->m_isScrolling = (gdk_event->window == widget->slider);
#endif
-
+
return FALSE;
}
// "button_release_event" from slider
//-----------------------------------------------------------------------------
-static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
- GdkEventButton *WXUNUSED(gdk_event),
- wxScrollBar *win )
+static gint
+gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
+ GdkEventButton *WXUNUSED(gdk_event),
+ wxScrollBar *win )
{
- if (g_isIdle) wxapp_install_idle_handler();
-
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
// g_blockEventsOnScroll = FALSE;
-
+
if (win->m_isScrolling)
{
wxEventType command = wxEVT_SCROLL_THUMBRELEASE;
event.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( event );
}
-
+
win->m_isScrolling = FALSE;
-
+
return FALSE;
}
{
m_needParent = TRUE;
m_acceptsFocus = TRUE;
-
+
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
{
m_widget = gtk_hscrollbar_new( (GtkAdjustment *) NULL );
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",
- (GtkSignalFunc) gtk_scrollbar_callback,
+ (GtkSignalFunc) gtk_scrollbar_callback,
(gpointer) this );
-
- gtk_signal_connect( GTK_OBJECT(m_widget),
+
+ gtk_signal_connect( GTK_OBJECT(m_widget),
"button_press_event",
- (GtkSignalFunc)gtk_scrollbar_button_press_callback,
+ (GtkSignalFunc)gtk_scrollbar_button_press_callback,
(gpointer) this );
- gtk_signal_connect( GTK_OBJECT(m_widget),
+ gtk_signal_connect( GTK_OBJECT(m_widget),
"button_release_event",
- (GtkSignalFunc)gtk_scrollbar_button_release_callback,
+ (GtkSignalFunc)gtk_scrollbar_button_release_callback,
(gpointer) this );
m_parent->DoAddChild( this );
-
+
PostCreation();
-
+
SetBackgroundColour( parent->GetBackgroundColour() );
Show( TRUE );
-
+
return TRUE;
}
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;
-
- gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
- (GtkSignalFunc) gtk_scrollbar_callback,
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
+ (GtkSignalFunc) gtk_scrollbar_callback,
(gpointer) this );
-
+
gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
-
- gtk_signal_connect( GTK_OBJECT(m_adjust),
+
+ gtk_signal_connect( GTK_OBJECT(m_adjust),
"value_changed",
- (GtkSignalFunc) gtk_scrollbar_callback,
+ (GtkSignalFunc) gtk_scrollbar_callback,
(gpointer) this );
}
float frange = (float)range;
float fthumb = (float)thumbSize;
float fpage = (float)pageSize;
-
+
if ((fabs(frange-m_adjust->upper) < 0.2) &&
(fabs(fthumb-m_adjust->page_size) < 0.2) &&
(fabs(fpage-m_adjust->page_increment) < 0.2))
SetThumbPosition( position );
return;
}
-
+
m_oldPos = fpos;
-
+
m_adjust->lower = 0.0;
m_adjust->upper = frange;
m_adjust->value = fpos;
int thumb = (int)(m_adjust->page_size+0.5);
int page = (int)(m_adjust->page_increment+0.5);
int range = (int)(m_adjust->upper+0.5);
-
+
*viewStart = pos;
*viewLength = range;
*objectLength = thumb;