108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/ultima8/gumps/widgets/sliding_widget.h"
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namespace Ultima {
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namespace Ultima8 {
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DEFINE_RUNTIME_CLASSTYPE_CODE(SlidingWidget)
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SlidingWidget::SlidingWidget()
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: Gump(), _dragBounds() {
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}
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SlidingWidget::SlidingWidget(int x, int y, FrameID frame, const Common::Rect32 &dragBounds)
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: Gump(x, y, 5, 5, 0, FLAG_DRAGGABLE), _dragBounds(dragBounds) {
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SetShape(frame, true);
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if (_dragBounds.width() < _dims.width())
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_dragBounds.setWidth(_dims.width());
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if (_dragBounds.height() < _dims.height())
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_dragBounds.setHeight(_dims.height());
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}
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SlidingWidget::~SlidingWidget() {
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}
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int SlidingWidget::getValueForRange(int min, int max) {
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int val = min;
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if (_dragBounds.isValidRect()) {
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val = min + (_x - _dragBounds.left) * (max - min) / (_dragBounds.width() - _dims.width());
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if (val < min)
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val = min;
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if (val > max)
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val = max;
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}
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return val;
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}
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void SlidingWidget::setValueForRange(int value, int min, int max) {
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assert(_dragBounds.isValidRect());
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_x = _dragBounds.left + (value - min) * (_dragBounds.width() - _dims.width()) / (max - min);
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}
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void SlidingWidget::InitGump(Gump *newparent, bool take_focus) {
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Gump::InitGump(newparent, take_focus);
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UpdateDimsFromShape();
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}
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uint16 SlidingWidget::TraceObjId(int32 mx, int32 my) {
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if (PointOnGump(mx, my))
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return getObjId();
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else
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return 0;
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}
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void SlidingWidget::Move(int32 x, int32 y) {
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if (_dragBounds.isValidRect()) {
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if (x < _dragBounds.left)
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x = _dragBounds.left;
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if (x > _dragBounds.right - _dims.width())
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x = _dragBounds.right - _dims.width();
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if (y < _dragBounds.top)
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y = _dragBounds.top;
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if (y > _dragBounds.bottom - _dims.height())
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y = _dragBounds.bottom - _dims.height();
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}
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_x = x;
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_y = y;
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}
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void SlidingWidget::onDrag(int32 mx, int32 my) {
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Gump::onDrag(mx, my);
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_parent->ChildNotify(this, DRAGGING);
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}
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void SlidingWidget::saveData(Common::WriteStream *ws) {
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Gump::saveData(ws);
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}
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bool SlidingWidget::loadData(Common::ReadStream *rs, uint32 version) {
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if (!Gump::loadData(rs, version)) return false;
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return true;
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}
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} // End of namespace Ultima8
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} // End of namespace Ultima
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