remap-widget.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef REMAP_WIDGET_H
#define REMAP_WIDGET_H

#include "common/scummsys.h"
#include "common/hash-ptr.h"

#include "gui/widget.h"

namespace GUI {
class ButtonWidget;
class DropdownButtonWidget;
class PopUpWidget;
class StaticTextWidget;
}

namespace Common {

struct Action;
class Keymap;
class Keymapper;
class InputWatcher;

class RemapWidget : public GUI::OptionsContainerWidget {
public:
    typedef Common::Array<Keymap *> KeymapArray;

    RemapWidget(GuiObject *boss, const Common::String &name, const KeymapArray &keymaps);
    ~RemapWidget() override;
    void load() override;
    bool save() override;
    void handleInputChanged();
    void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) override;
    void handleMouseDown(int x, int y, int button, int clickCount) override;
    void handleTickle() override;
    void reflowLayout() override;

protected:
    struct ActionRow {
        Keymap *keymap;
        Common::Action *action;

        GUI::StaticTextWidget *actionText;
        GUI::DropdownButtonWidget *keyButton;

        ActionRow() : keymap(nullptr), action(nullptr), actionText(nullptr), keyButton(nullptr) {}
    };

    struct KeymapTitleRow {
        GUI::StaticTextWidget *descriptionText;
        GUI::ButtonWidget *resetButton;

        KeymapTitleRow() : descriptionText(nullptr), resetButton(nullptr) {}
    };

    void loadKeymap();
    void refreshKeymap();
    void reflowActionWidgets();
    void clearMapping(uint actionIndex);
    void resetMapping(uint actionIndex);
    void resetKeymap(uint actionIndex);
    void startRemapping(uint actionIndex);
    void stopRemapping();

    KeymapArray _keymapTable;

    InputWatcher *_remapInputWatcher;
    Keymap *_remapKeymap;
    Action *_remapAction;
    uint32 _remapTimeout;

    static const uint32 kRemapMinTimeoutDelay = 3000;

    bool _changes;

    Array<ActionRow> _actions;
    HashMap<Keymap *, KeymapTitleRow> _keymapSeparators;
};

} // End of namespace Common

#endif // #ifndef REMAP_WIDGET_H