{
wxScrollEvent event( evtType, win->GetId(), value, orient );
event.SetEventObject( win );
- win->GetEventHandler()->ProcessEvent( event );
+ win->HandleWindowEvent( event );
}
// but, in any case, except if we're dragging the slider (and so the change
{
wxScrollEvent event(wxEVT_SCROLL_CHANGED, win->GetId(), value, orient);
event.SetEventObject( win );
- win->GetEventHandler()->ProcessEvent( event );
+ win->HandleWindowEvent( event );
}
// and also generate a command event for compatibility
wxCommandEvent event( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
event.SetEventObject( win );
event.SetInt( value );
- win->GetEventHandler()->ProcessEvent( event );
+ win->HandleWindowEvent( event );
}
static inline wxEventType GtkScrollTypeToWx(int scrollType)
eventType = wxEVT_SCROLL_THUMBTRACK;
break;
default:
- wxFAIL_MSG(_T("Unknown GtkScrollType"));
+ wxFAIL_MSG(wxT("Unknown GtkScrollType"));
eventType = wxEVT_NULL;
break;
}
if (!win->m_hasVMT || g_blockEventsOnDrag)
return;
- if (win->m_blockScrollEvent)
+ if (win->GTKEventsDisabled())
{
win->m_scrollEventType = GTK_SCROLL_NONE;
return;
ProcessScrollEvent(win, wxEVT_SCROLL_THUMBRELEASE);
}
// Keep slider at an integral position
- win->m_blockScrollEvent = true;
- gtk_range_set_value(GTK_RANGE (win->m_widget), win->GetValue());
- win->m_blockScrollEvent = false;
+ win->GTKDisableEvents();
+ gtk_range_set_value(GTK_RANGE (win->m_scale), win->GetValue());
+ win->GTKEnableEvents();
}
}
}
wxSlider::wxSlider()
{
m_pos = 0;
- m_scrollEventType = 0;
+ m_scrollEventType = GTK_SCROLL_NONE;
m_needThumbRelease = false;
m_blockScrollEvent = false;
}
const wxValidator& validator,
const wxString& name)
{
+ m_pos = value;
+ m_scrollEventType = GTK_SCROLL_NONE;
+
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
{
return false;
}
+
if (style & wxSL_VERTICAL)
- m_widget = gtk_vscale_new( (GtkAdjustment *) NULL );
+ m_scale = gtk_vscale_new( NULL );
else
- m_widget = gtk_hscale_new( (GtkAdjustment *) NULL );
+ m_scale = gtk_hscale_new( NULL );
+ g_object_ref(m_scale);
+
+ if (style & wxSL_MIN_MAX_LABELS)
+ {
+ gtk_widget_show( m_scale );
+
+ if (style & wxSL_VERTICAL)
+ m_widget = gtk_hbox_new(false, 0);
+ else
+ m_widget = gtk_vbox_new(false, 0);
+ g_object_ref(m_widget);
+ gtk_widget_show( m_widget );
+ gtk_container_add( GTK_CONTAINER(m_widget), m_scale );
+
+ GtkWidget *box;
+ if (style & wxSL_VERTICAL)
+ box = gtk_vbox_new(false,0);
+ else
+ box = gtk_hbox_new(false,0);
+ g_object_ref(box);
+ gtk_widget_show(box);
+ gtk_container_add( GTK_CONTAINER(m_widget), box );
+
+ m_minLabel = gtk_label_new(NULL);
+ g_object_ref(m_minLabel);
+ gtk_widget_show( m_minLabel );
+ gtk_container_add( GTK_CONTAINER(box), m_minLabel );
+ gtk_box_set_child_packing( GTK_BOX(box), m_minLabel, FALSE, FALSE, 0, GTK_PACK_START );
+
+ // expanding empty space between the min/max labels
+ GtkWidget *space = gtk_label_new(NULL);
+ g_object_ref(space);
+ gtk_widget_show( space );
+ gtk_container_add( GTK_CONTAINER(box), space );
+ gtk_box_set_child_packing( GTK_BOX(box), space, TRUE, FALSE, 0, GTK_PACK_START );
+
+ m_maxLabel = gtk_label_new(NULL);
+ g_object_ref(m_maxLabel);
+ gtk_widget_show( m_maxLabel );
+ gtk_container_add( GTK_CONTAINER(box), m_maxLabel );
+ gtk_box_set_child_packing( GTK_BOX(box), m_maxLabel, FALSE, FALSE, 0, GTK_PACK_END );
+ }
+ else
+ {
+ m_widget = m_scale;
+ m_maxLabel = NULL;
+ m_minLabel = NULL;
+ }
+
+ const bool showValueLabel = (style & wxSL_VALUE_LABEL) != 0;
+ gtk_scale_set_draw_value(GTK_SCALE (m_scale), showValueLabel );
+ if ( showValueLabel )
+ {
+ // position the label appropriately: notice that wxSL_DIRECTION flags
+ // specify the position of the ticks, not label, under MSW and so the
+ // label is on the opposite side
+ GtkPositionType posLabel;
+ if ( style & wxSL_VERTICAL )
+ {
+ if ( style & wxSL_LEFT )
+ posLabel = GTK_POS_RIGHT;
+ else // if ( style & wxSL_RIGHT ) -- this is also the default
+ posLabel = GTK_POS_LEFT;
+ }
+ else // horizontal slider
+ {
+ if ( style & wxSL_TOP )
+ posLabel = GTK_POS_BOTTOM;
+ else // if ( style & wxSL_BOTTOM) -- this is again the default
+ posLabel = GTK_POS_TOP;
+ }
+
+ gtk_scale_set_value_pos( GTK_SCALE(m_scale), posLabel );
+ }
- gtk_scale_set_draw_value(GTK_SCALE (m_widget), (style & wxSL_LABELS) != 0);
// Keep full precision in position value
- gtk_scale_set_digits(GTK_SCALE (m_widget), -1);
+ gtk_scale_set_digits(GTK_SCALE (m_scale), -1);
if (style & wxSL_INVERSE)
- gtk_range_set_inverted( GTK_RANGE(m_widget), TRUE );
-
- g_signal_connect(m_widget, "button_press_event", G_CALLBACK(gtk_button_press_event), this);
- g_signal_connect(m_widget, "button_release_event", G_CALLBACK(gtk_button_release_event), this);
- g_signal_connect(m_widget, "move_slider", G_CALLBACK(gtk_move_slider), this);
- g_signal_connect(m_widget, "format_value", G_CALLBACK(gtk_format_value), NULL);
- g_signal_connect(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);
- gulong handler_id;
- handler_id = g_signal_connect(
- m_widget, "event_after", G_CALLBACK(gtk_event_after), this);
- g_signal_handler_block(m_widget, handler_id);
+ gtk_range_set_inverted( GTK_RANGE(m_scale), TRUE );
+
+ g_signal_connect(m_scale, "button_press_event", G_CALLBACK(gtk_button_press_event), this);
+ g_signal_connect(m_scale, "button_release_event", G_CALLBACK(gtk_button_release_event), this);
+ g_signal_connect(m_scale, "move_slider", G_CALLBACK(gtk_move_slider), this);
+ g_signal_connect(m_scale, "format_value", G_CALLBACK(gtk_format_value), NULL);
+ g_signal_connect(m_scale, "value_changed", G_CALLBACK(gtk_value_changed), this);
+ gulong handler_id = g_signal_connect(m_scale, "event_after", G_CALLBACK(gtk_event_after), this);
+ g_signal_handler_block(m_scale, handler_id);
SetRange( minValue, maxValue );
- SetValue( value );
+
+ // don't call the public SetValue() as it won't do anything unless the
+ // value really changed
+ GTKSetValue( value );
m_parent->DoAddChild( this );
return true;
}
+void wxSlider::GTKDisableEvents()
+{
+ m_blockScrollEvent = true;
+}
+
+void wxSlider::GTKEnableEvents()
+{
+ m_blockScrollEvent = false;
+}
+
+bool wxSlider::GTKEventsDisabled() const
+{
+ return m_blockScrollEvent;
+}
+
int wxSlider::GetValue() const
{
return wxRound(m_pos);
void wxSlider::SetValue( int value )
{
if (GetValue() != value)
- {
- m_blockScrollEvent = true;
- gtk_range_set_value(GTK_RANGE (m_widget), value);
- m_blockScrollEvent = false;
- }
+ GTKSetValue(value);
+}
+
+void wxSlider::GTKSetValue(int value)
+{
+ GTKDisableEvents();
+ gtk_range_set_value(GTK_RANGE (m_scale), value);
+ GTKEnableEvents();
}
void wxSlider::SetRange( int minValue, int maxValue )
{
- m_blockScrollEvent = true;
- gtk_range_set_range(GTK_RANGE (m_widget), minValue, maxValue);
- gtk_range_set_increments(GTK_RANGE (m_widget), 1, (maxValue - minValue + 9) / 10);
- m_blockScrollEvent = false;
+ GTKDisableEvents();
+ if (minValue == maxValue)
+ maxValue++;
+ gtk_range_set_range(GTK_RANGE (m_scale), minValue, maxValue);
+ gtk_range_set_increments(GTK_RANGE (m_scale), 1, (maxValue - minValue + 9) / 10);
+ GTKEnableEvents();
+
+ if (HasFlag(wxSL_MIN_MAX_LABELS))
+ {
+ wxString str;
+
+ str.Printf( "%d", minValue );
+ if (HasFlag(wxSL_INVERSE))
+ gtk_label_set_text( GTK_LABEL(m_maxLabel), str.utf8_str() );
+ else
+ gtk_label_set_text( GTK_LABEL(m_minLabel), str.utf8_str() );
+
+ str.Printf( "%d", maxValue );
+ if (HasFlag(wxSL_INVERSE))
+ gtk_label_set_text( GTK_LABEL(m_minLabel), str.utf8_str() );
+ else
+ gtk_label_set_text( GTK_LABEL(m_maxLabel), str.utf8_str() );
+
+ }
}
int wxSlider::GetMin() const
{
- return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->lower);
+ return int(gtk_range_get_adjustment (GTK_RANGE (m_scale))->lower);
}
int wxSlider::GetMax() const
{
- return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->upper);
+ return int(gtk_range_get_adjustment (GTK_RANGE (m_scale))->upper);
}
void wxSlider::SetPageSize( int pageSize )
{
- m_blockScrollEvent = true;
- gtk_range_set_increments(GTK_RANGE (m_widget), GetLineSize(), pageSize);
- m_blockScrollEvent = false;
+ GTKDisableEvents();
+ gtk_range_set_increments(GTK_RANGE (m_scale), GetLineSize(), pageSize);
+ GTKEnableEvents();
}
int wxSlider::GetPageSize() const
{
- return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->page_increment);
+ return int(gtk_range_get_adjustment (GTK_RANGE (m_scale))->page_increment);
}
// GTK does not support changing the size of the slider
void wxSlider::SetLineSize( int lineSize )
{
- m_blockScrollEvent = true;
- gtk_range_set_increments(GTK_RANGE (m_widget), lineSize, GetPageSize());
- m_blockScrollEvent = false;
+ GTKDisableEvents();
+ gtk_range_set_increments(GTK_RANGE (m_scale), lineSize, GetPageSize());
+ GTKEnableEvents();
}
int wxSlider::GetLineSize() const
{
- return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->step_increment);
+ return int(gtk_range_get_adjustment (GTK_RANGE (m_scale))->step_increment);
}
GdkWindow *wxSlider::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
{
- return GTK_RANGE(m_widget)->event_window;
+ return GTK_RANGE(m_scale)->event_window;
}
// static
projects / wxWidgets.git / blobdiff