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/*
* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#pragma once
#include <mforms/view.h>
namespace mforms {
class Selector;
enum SelectorStyle
{
SelectorCombobox, //!< The value list is shown when clicking the arrow. The value is freely editable.
SelectorPopup //!< The value list is shown when clicking the arrow. The value can only be selected out of the
//! values in the list and not freely edited.
};
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#ifndef SWIG
struct SelectorImplPtrs
{
bool (*create)(Selector *self, SelectorStyle style);
void (*clear)(Selector *self);
void (*add_items)(Selector *self, const std::list<std::string> &items);
int (*add_item)(Selector *self, const std::string &item);
std::string (*get_item)(Selector *self, int index);
std::string (*get_text)(Selector *self);
void (*set_index)(Selector *self, int index);
int (*get_index)(Selector *self);
int (*get_item_count)(Selector *self);
void (*set_value)(Selector *self, const std::string& value);
};
#endif
#endif
/** A button (or text entry) with a popup menu that allows selection of a single item. */
class MFORMS_EXPORT Selector : public View
{
public:
/** Constructor.
@param style - SelectorCombobox or SelectorPopup
@param SelectorCombobox will allow input of any text in addition to picking an item from a list. */
Selector(SelectorStyle style= SelectorPopup);
/** Removes all items from the selectable list */
void clear();
/** Adds an item to the selectable list */
int add_item(const std::string &item);
/** Adds many items at once */
void add_items(const std::list<std::string> &items);
/** Gets the title of the item at the given index */
std::string get_item_title(int i);
/** Sets the selected item to the given index */
void set_selected(int index);
/** Gets the index of the given text in the list of availilable items, or -1 if not found */
int index_of_item_with_title(const std::string &title);
/** Gets the selected item text */
virtual std::string get_string_value();
/** Gets the selected item index */
int get_selected_index();
// set_value methods sets control text to the given value if selector is of type SelectorCombo,
// otherwise shortcuts to set_selected(index_of_item_with_title)
void set_value(const std::string& value);
/** Gets number of items in the list */
int get_item_count();
#ifndef SWIG
/** Signal emitted when selected item changes */
boost::signals2::signal<void ()>* signal_changed() { return &_signal_changed; }
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
void callback();
#endif
#endif
protected:
SelectorImplPtrs *_selector_impl;
boost::signals2::signal<void ()> _signal_changed;
bool _updating;
bool _editable;
};
};
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