checkbox.cpp

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#include "src/common/system.h"
#include "src/common/ustring.h"

#include "src/graphics/aurora/model.h"
#include "src/graphics/aurora/modelnode.h"

#include "src/engines/aurora/util.h"

#include "src/engines/nwn/gui/widgets/checkbox.h"

namespace Engines {

namespace NWN {

WidgetCheckBox::WidgetCheckBox(::Engines::GUI &gui, const Common::UString &tag,
                               const Common::UString &model) :
    ModelWidget(gui, tag, model) {

    _model->setClickable(true);

    Graphics::Aurora::ModelNode *node = 0;

    _model->setState("uncheckeddown");
    if ((node = _model->getNode("XPlane")))
        node->setInvisible(true);

    _model->setState("checkedup");
    if ((node = _model->getNode("XPlane")))
        node->move(0.0f, 0.0f, -10.0f);
    _model->setState("checkeddown");
    if ((node = _model->getNode("XPlane")))
        node->move(0.0f, 0.0f, -10.0f);
    _model->setState("checkedhilite");
    if ((node = _model->getNode("XPlane")))
        node->move(0.0f, 0.0f, -10.0f);

    _state = false;
    _down  = false;
    updateModel(false);
}

WidgetCheckBox::~WidgetCheckBox() {
}

void WidgetCheckBox::updateModel(bool highlight) {
    if (highlight) {
        if (_state) {
            if (_down)
                _model->setState("checkeddown");
            else
                _model->setState("checkedhilite");
        } else {
            if (_down)
                _model->setState("uncheckeddown");
            else
                _model->setState("hilite");
        }
    } else {
        if (_state) {
            if (_down)
                _model->setState("checkeddown");
            else
                _model->setState("checkedup");
        } else {
            if (_down)
                _model->setState("uncheckeddown");
            else
                _model->setState("uncheckedup");
        }
    }
}

bool WidgetCheckBox::getState() const {
    return _state;
}

void WidgetCheckBox::setState(bool state) {
    if (!_groupMembers.empty()) {
        // Group members, we are a radio button

        if (!state)
            // We can't just uncheck a radio button without checking another one
            return;

        _state = true;
        updateModel(false);
        setActive(true);

    } else {
        // No group members, we are a check box

        _state = !!state;
        updateModel(false);
        setActive(true);
    }
}

void WidgetCheckBox::enter() {
    ModelWidget::enter();

    if (isDisabled())
        return;

    _down = false;
    updateModel(true);
}

void WidgetCheckBox::leave() {
    ModelWidget::leave();

    if (isDisabled())
        return;

    _down = false;
    updateModel(false);
}

void WidgetCheckBox::mouseDown(uint8 state, float UNUSED(x), float UNUSED(y)) {
    if (isDisabled())
        return;

    if (state != SDL_BUTTON_LMASK)
        return;

    _down = true;
    updateModel(true);

    playSound("gui_check", Sound::kSoundTypeSFX);
}

void WidgetCheckBox::mouseUp(uint8 UNUSED(state), float UNUSED(x), float UNUSED(y)) {
    if (isDisabled())
        return;

    if (!_groupMembers.empty()) {
        // Group members, we are a radio button

        bool oldState = _state;

        _down  = false;
        _state = true;
        updateModel(true);

        if (oldState != _state)
            setActive(true);

    } else {
        // No group members, we are a check box

        _state = !_state;
        _down  = false;
        updateModel(true);
        setActive(true);
    }

}

void WidgetCheckBox::signalGroupMemberActive() {
    NWNWidget::signalGroupMemberActive();

    _state = false;
    _down  = false;
    updateModel(false);
}

} // End of namespace NWN

} // End of namespace Engines