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/*
* Inkscape::UI::Widget::UnitTracker
* Simple mediator to synchronize changes to unit menus
*
* Authors:
* Jon A. Cruz <jon@joncruz.org>
* Matthew Petroff <matthew@mpetroff.net>
*
* Copyright (C) 2007 Jon A. Cruz
* Copyright (C) 2013 Matthew Petroff
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef INKSCAPE_UI_WIDGET_UNIT_TRACKER_H
#define INKSCAPE_UI_WIDGET_UNIT_TRACKER_H
#include <map>
#include <vector>
#include "util/units.h"
#include "widgets/ege-select-one-action.h"
using Inkscape::Util::Unit;
using Inkscape::Util::UnitType;
typedef struct _GObject GObject;
typedef struct _GtkAction GtkAction;
typedef struct _GtkAdjustment GtkAdjustment;
typedef struct _GtkListStore GtkListStore;
namespace Inkscape {
namespace UI {
namespace Widget {
class UnitTracker {
public:
UnitTracker(UnitType unit_type);
virtual ~UnitTracker();
bool isUpdating() const;
void setActiveUnit(Inkscape::Util::Unit const *unit);
void setActiveUnitByAbbr(gchar const *abbr);
Inkscape::Util::Unit const * getActiveUnit() const;
void addUnit(Inkscape::Util::Unit const *u);
void addAdjustment(GtkAdjustment *adj);
void prependUnit(Inkscape::Util::Unit const *u);
void setFullVal(GtkAdjustment *adj, gdouble val);
GtkAction *createAction(gchar const *name, gchar const *label, gchar const *tooltip);
protected:
UnitType _type;
private:
static void _unitChangedCB(GtkAction *action, gpointer data);
static void _actionFinalizedCB(gpointer data, GObject *where_the_object_was);
static void _adjustmentFinalizedCB(gpointer data, GObject *where_the_object_was);
void _setActive(gint index);
void _fixupAdjustments(Inkscape::Util::Unit const *oldUnit, Inkscape::Util::Unit const *newUnit);
void _actionFinalized(GObject *where_the_object_was);
void _adjustmentFinalized(GObject *where_the_object_was);
gint _active;
bool _isUpdating;
Inkscape::Util::Unit const *_activeUnit;
bool _activeUnitInitialized;
GtkListStore *_store;
std::vector<EgeSelectOneAction*> _actionList;
std::vector<GtkAdjustment*> _adjList;
std::map <GtkAdjustment *, gdouble> _priorValues;
};
} // namespace Widget
} // namespace UI
} // namespace Inkscape
#endif // INKSCAPE_UI_WIDGET_UNIT_TRACKER_H
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