// Name: src/gtk/slider.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#endif
#include <gtk/gtk.h>
+#include "wx/gtk/private/gtk2-compat.h"
//-----------------------------------------------------------------------------
// data
}
// and also generate a command event for compatibility
- wxCommandEvent event( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
+ wxCommandEvent event( wxEVT_SLIDER, win->GetId() );
event.SetEventObject( win );
event.SetInt( value );
win->HandleWindowEvent( event );
static void
gtk_value_changed(GtkRange* range, wxSlider* win)
{
- GtkAdjustment* adj = gtk_range_get_adjustment (range);
- const int pos = wxRound(adj->value);
+ const double value = gtk_range_get_value(range);
const double oldPos = win->m_pos;
- win->m_pos = adj->value;
+ win->m_pos = value;
- if (!win->m_hasVMT || g_blockEventsOnDrag)
+ if (g_blockEventsOnDrag)
return;
- if (win->m_blockScrollEvent)
+ if (win->GTKEventsDisabled())
{
win->m_scrollEventType = GTK_SCROLL_NONE;
return;
else if (win->m_mouseButtonDown)
{
// Difference from last change event
- const double diff = adj->value - oldPos;
+ const double diff = value - oldPos;
const bool isDown = diff > 0;
- if (IsScrollIncrement(adj->page_increment, diff))
+ GtkAdjustment* adj = gtk_range_get_adjustment(range);
+ if (IsScrollIncrement(gtk_adjustment_get_page_increment(adj), diff))
{
eventType = isDown ? wxEVT_SCROLL_PAGEDOWN : wxEVT_SCROLL_PAGEUP;
}
- else if (wxIsSameDouble(adj->value, 0))
+ else if (wxIsSameDouble(value, 0))
{
eventType = wxEVT_SCROLL_PAGEUP;
}
- else if (wxIsSameDouble(adj->value, adj->upper))
+ else if (wxIsSameDouble(value, gtk_adjustment_get_upper(adj)))
{
eventType = wxEVT_SCROLL_PAGEDOWN;
}
win->m_scrollEventType = GTK_SCROLL_NONE;
// If integral position has changed
- if (wxRound(oldPos) != pos)
+ if (wxRound(oldPos) != wxRound(value))
{
ProcessScrollEvent(win, eventType);
win->m_needThumbRelease = eventType == wxEVT_SCROLL_THUMBTRACK;
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
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl)
-
wxSlider::wxSlider()
{
- m_pos = 0;
- m_scrollEventType = GTK_SCROLL_NONE;
- m_needThumbRelease = false;
- m_blockScrollEvent = false;
+ m_scale = NULL;
+}
+
+wxSlider::~wxSlider()
+{
+ if (m_scale && m_scale != m_widget)
+ GTKDisconnect(m_scale);
}
bool wxSlider::Create(wxWindow *parent,
{
m_pos = value;
m_scrollEventType = GTK_SCROLL_NONE;
+ m_needThumbRelease = false;
+ m_blockScrollEvent = false;
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
return false;
}
- if (style & wxSL_VERTICAL)
- m_widget = gtk_vscale_new( NULL );
+ const bool isVertical = (style & wxSL_VERTICAL) != 0;
+ m_scale = gtk_scale_new(GtkOrientation(isVertical), NULL);
+
+ if (style & wxSL_MIN_MAX_LABELS)
+ {
+ gtk_widget_show( m_scale );
+
+ m_widget = gtk_box_new(GtkOrientation(!isVertical), 0);
+ gtk_box_pack_start(GTK_BOX(m_widget), m_scale, true, true, 0);
+
+ GtkWidget* box = gtk_box_new(GtkOrientation(isVertical), 0);
+ gtk_widget_show(box);
+ gtk_box_pack_start(GTK_BOX(m_widget), box, true, true, 0);
+
+ m_minLabel = gtk_label_new(NULL);
+ gtk_widget_show( m_minLabel );
+ gtk_box_pack_start(GTK_BOX(box), m_minLabel, false, false, 0);
+
+ // expanding empty space between the min/max labels
+ GtkWidget *space = gtk_label_new(NULL);
+ gtk_widget_show( space );
+ gtk_box_pack_start(GTK_BOX(box), space, true, false, 0);
+
+ m_maxLabel = gtk_label_new(NULL);
+ gtk_widget_show( m_maxLabel );
+ gtk_box_pack_end(GTK_BOX(box), m_maxLabel, false, false, 0);
+ }
else
- m_widget = gtk_hscale_new( NULL );
+ {
+ m_widget = m_scale;
+ m_maxLabel = NULL;
+ m_minLabel = NULL;
+ }
g_object_ref(m_widget);
- gtk_scale_set_draw_value(GTK_SCALE (m_widget), (style & wxSL_LABELS) != 0);
+ 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 );
+ }
+
// 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 );
+ gtk_range_set_inverted( GTK_RANGE(m_scale), 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 = g_signal_connect(m_widget, "event_after", G_CALLBACK(gtk_event_after), this);
- g_signal_handler_block(m_widget, handler_id);
+ 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 );
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::GTKSetValue(int value)
{
- m_blockScrollEvent = true;
- gtk_range_set_value(GTK_RANGE (m_widget), value);
- m_blockScrollEvent = false;
+ GTKDisableEvents();
+ gtk_range_set_value(GTK_RANGE (m_scale), value);
+ // GTK only updates value label if handle moves at least 1 pixel
+ gtk_widget_queue_draw(m_scale);
+ GTKEnableEvents();
}
void wxSlider::SetRange( int minValue, int maxValue )
{
- m_blockScrollEvent = true;
+ GTKDisableEvents();
if (minValue == maxValue)
maxValue++;
- 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;
+ 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);
+ GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale));
+ return int(gtk_adjustment_get_lower(adj));
}
int wxSlider::GetMax() const
{
- return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->upper);
+ GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale));
+ return int(gtk_adjustment_get_upper(adj));
}
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);
+ GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale));
+ return int(gtk_adjustment_get_page_increment(adj));
}
// 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);
+ GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale));
+ return int(gtk_adjustment_get_step_increment(adj));
}
GdkWindow *wxSlider::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
{
- return GTK_RANGE(m_widget)->event_window;
+#ifdef __WXGTK3__
+ // no access to internal GdkWindows
+ return NULL;
+#else
+ return GTK_RANGE(m_scale)->event_window;
+#endif
}
// static
wxVisualAttributes
wxSlider::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- return GetDefaultAttributesFromGTKWidget(gtk_vscale_new);
+ return GetDefaultAttributesFromGTKWidget(gtk_scale_new(GTK_ORIENTATION_VERTICAL, NULL));
}
#endif // wxUSE_SLIDER
projects / wxWidgets.git / blobdiff