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/**
* \brief Simplified management of enumerations in the UI as combobox.
*
* Authors:
* Nicholas Bishop <nicholasbishop@gmail.com>
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
*
* Copyright (C) 2007 Authors
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_UI_WIDGET_COMBO_ENUMS_H
#define INKSCAPE_UI_WIDGET_COMBO_ENUMS_H
#include <gtkmm/combobox.h>
#include <gtkmm/liststore.h>
#include "attr-widget.h"
#include "util/enums.h"
#include "ui/widget/labelled.h"
namespace Inkscape {
namespace UI {
namespace Widget {
template<typename E> class ComboBoxEnum : public Gtk::ComboBox, public AttrWidget
{
public:
ComboBoxEnum(E default_value, const Util::EnumDataConverter<E>& c, const SPAttributeEnum a = SP_ATTR_INVALID)
: AttrWidget(a, (unsigned int)default_value), setProgrammatically(false), _converter(c)
{
signal_changed().connect(signal_attr_changed().make_slot());
_model = Gtk::ListStore::create(_columns);
set_model(_model);
pack_start(_columns.label);
// Initialize list
for(int i = 0; i < _converter.end; ++i) {
Gtk::TreeModel::Row row = *_model->append();
const Util::EnumData<E>* data = &_converter.data(i);
row[_columns.data] = data;
row[_columns.label] = _( _converter.get_label(data->id).c_str() );
}
set_active_by_id(default_value);
}
ComboBoxEnum(const Util::EnumDataConverter<E>& c, const SPAttributeEnum a = SP_ATTR_INVALID)
: AttrWidget(a, (unsigned int) 0), setProgrammatically(false), _converter(c)
{
signal_changed().connect(signal_attr_changed().make_slot());
_model = Gtk::ListStore::create(_columns);
set_model(_model);
pack_start(_columns.label);
// Initialize list
for(int i = 0; i < _converter.end; ++i) {
Gtk::TreeModel::Row row = *_model->append();
const Util::EnumData<E>* data = &_converter.data(i);
row[_columns.data] = data;
row[_columns.label] = _( _converter.get_label(data->id).c_str() );
}
set_active(0);
}
virtual Glib::ustring get_as_attribute() const
{
return get_active_data()->key;
}
virtual void set_from_attribute(SPObject* o)
{
setProgrammatically = true;
const gchar* val = attribute_value(o);
if(val)
set_active(_converter.get_id_from_key(val));
else
set_active(get_default()->as_uint());
}
const Util::EnumData<E>* get_active_data() const
{
Gtk::TreeModel::iterator i = this->get_active();
if(i)
return (*i)[_columns.data];
return 0;
}
void add_row(const Glib::ustring& s)
{
Gtk::TreeModel::Row row = *_model->append();
row[_columns.data] = 0;
row[_columns.label] = s;
}
void remove_row(E id) {
Gtk::TreeModel::iterator i;
for(i = _model->children().begin(); i != _model->children().end(); ++i) {
const Util::EnumData<E>* data = (*i)[_columns.data];
if(data->id == id)
break;
}
if(i != _model->children().end())
_model->erase(i);
}
void set_active_by_id(E id) {
setProgrammatically = true;
for(Gtk::TreeModel::iterator i = _model->children().begin();
i != _model->children().end(); ++i)
{
const Util::EnumData<E>* data = (*i)[_columns.data];
if(data->id == id) {
set_active(i);
break;
}
}
};
void set_active_by_key(const Glib::ustring& key) {
setProgrammatically = true;
set_active_by_id( _converter.get_id_from_key(key) );
};
bool setProgrammatically;
private:
class Columns : public Gtk::TreeModel::ColumnRecord
{
public:
Columns()
{
add(data);
add(label);
}
Gtk::TreeModelColumn<const Util::EnumData<E>*> data;
Gtk::TreeModelColumn<Glib::ustring> label;
};
Columns _columns;
Glib::RefPtr<Gtk::ListStore> _model;
const Util::EnumDataConverter<E>& _converter;
};
template<typename E> class LabelledComboBoxEnum : public Labelled
{
public:
LabelledComboBoxEnum( Glib::ustring const &label,
Glib::ustring const &tooltip,
const Util::EnumDataConverter<E>& c,
Glib::ustring const &suffix = "",
Glib::ustring const &icon = "",
bool mnemonic = true)
: Labelled(label, tooltip, new ComboBoxEnum<E>(c), suffix, icon, mnemonic)
{ }
ComboBoxEnum<E>* getCombobox() {
return static_cast< ComboBoxEnum<E>* > (_widget);
}
};
}
}
}
#endif
/*
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 :
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