1 /**
2 * \brief Simplified management of enumerations in the UI as combobox.
3 *
4 * Authors:
5 * Nicholas Bishop <nicholasbishop@gmail.com>
6 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
7 *
8 * Copyright (C) 2007 Authors
9 *
10 * Released under GNU GPL. Read the file 'COPYING' for more information.
11 */
13 #ifndef INKSCAPE_UI_WIDGET_COMBO_ENUMS_H
14 #define INKSCAPE_UI_WIDGET_COMBO_ENUMS_H
16 #include <gtkmm/combobox.h>
17 #include <gtkmm/liststore.h>
18 #include "attr-widget.h"
19 #include "util/enums.h"
21 namespace Inkscape {
22 namespace UI {
23 namespace Widget {
25 template<typename E> class ComboBoxEnum : public Gtk::ComboBox, public AttrWidget
26 {
27 public:
28 ComboBoxEnum(const Util::EnumDataConverter<E>& c, const SPAttributeEnum a = SP_ATTR_INVALID)
29 : AttrWidget(a), _converter(c)
30 {
31 signal_changed().connect(signal_attr_changed().make_slot());
33 _model = Gtk::ListStore::create(_columns);
34 set_model(_model);
36 pack_start(_columns.label);
38 // Initialize list
39 for(int i = 0; i < _converter.end; ++i) {
40 Gtk::TreeModel::Row row = *_model->append();
41 const Util::EnumData<E>* data = &_converter.data(i);
42 row[_columns.data] = data;
43 row[_columns.label] = _converter.get_label(data->id);
44 }
46 set_active(0);
47 }
49 virtual Glib::ustring get_as_attribute() const
50 {
51 return get_active_data()->key;
52 }
54 virtual void set_from_attribute(SPObject* o)
55 {
56 const gchar* val = attribute_value(o);
57 if(val)
58 set_active(_converter.get_id_from_key(val));
59 else
60 set_active(0);
61 }
63 const Util::EnumData<E>* get_active_data() const
64 {
65 Gtk::TreeModel::iterator i = this->get_active();
66 if(i)
67 return (*i)[_columns.data];
68 return 0;
69 }
71 void add_row(const Glib::ustring& s)
72 {
73 Gtk::TreeModel::Row row = *_model->append();
74 row[_columns.data] = 0;
75 row[_columns.label] = s;
76 }
77 private:
78 class Columns : public Gtk::TreeModel::ColumnRecord
79 {
80 public:
81 Columns()
82 {
83 add(data);
84 add(label);
85 }
87 Gtk::TreeModelColumn<const Util::EnumData<E>*> data;
88 Gtk::TreeModelColumn<Glib::ustring> label;
89 };
91 Columns _columns;
92 Glib::RefPtr<Gtk::ListStore> _model;
93 const Util::EnumDataConverter<E>& _converter;
94 };
96 }
97 }
98 }
100 #endif
102 /*
103 Local Variables:
104 mode:c++
105 c-file-style:"stroustrup"
106 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
107 indent-tabs-mode:nil
108 fill-column:99
109 End:
110 */
111 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :