Replacing old multifunction widget with separate widget & model

(bzr r2820)

1 files changed, 75 insertions, 0 deletions

diff --git a/src/helper/unit-tracker.h b/src/helper/unit-tracker.h
new file mode 100644
index 000000000..1832430b3
--- /dev/null
+++ b/src/helper/unit-tracker.h
@@ -0,0 +1,75 @@
+/*
+ * Inkscape::UnitTracker - Simple mediator to synchronize changes to a set
+ *   of possible units
+ *
+ * Authors:
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2007 Jon A. Cruz
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifndef SEEN_INKSCAPE_UNIT_TRACKER_H
+#define SEEN_INKSCAPE_UNIT_TRACKER_H
+
+#include <map>
+
+#include <gtk/gtkaction.h>
+
+#include "helper/units.h"
+
+namespace Inkscape {
+
+class UnitTracker
+{
+public:
+    UnitTracker( guint bases = (SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE) );
+    ~UnitTracker();
+
+    void setBase( guint bases ); // SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE
+    void addUnit( SPUnitId id, gint index );
+
+    bool isUpdating() const;
+
+    void setActiveUnit( SPUnit const *unit );
+    SPUnit const* getActiveUnit() const;
+
+    void addAdjustment( GtkAdjustment* adj );
+    void setFullVal( GtkAdjustment* adj, gdouble val );
+
+    GtkAction* createAction( gchar const* name, gchar const* label, gchar const* tooltip );
+
+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( SPUnit const* oldUnit, SPUnit const *newUnit );
+    void _actionFinalized( GObject *where_the_object_was );
+    void _adjustmentFinalized( GObject *where_the_object_was );
+
+    gint _active;
+    bool _isUpdating;
+    SPUnit* _activeUnit;
+    GtkListStore* _store;
+    GSList* _unitList;
+    GSList* _actionList;
+    GSList* _adjList;
+    std::map <GtkAdjustment*, gdouble> _priorValues;
+};
+
+}
+
+#endif // SEEN_INKSCAPE_UNIT_TRACKER_H
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :