scummvm/engines/nancy/ui/button.cpp
2024-02-19 20:46:17 +01:00

128 lines
3.3 KiB
C++

/* 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/>.
*
*/
#include "engines/nancy/nancy.h"
#include "engines/nancy/input.h"
#include "engines/nancy/cursor.h"
#include "engines/nancy/graphics.h"
#include "engines/nancy/sound.h"
#include "engines/nancy/util.h"
#include "engines/nancy/state/scene.h"
#include "engines/nancy/ui/button.h"
namespace Nancy {
namespace UI {
Button::Button(uint16 zOrder, Graphics::ManagedSurface &surface, const Common::Rect &clickSrcBounds, const Common::Rect &destBounds, const Common::Rect &hoverSrcBounds, const Common::Rect &disabledSrcBounds) :
RenderObject(zOrder, surface, clickSrcBounds, destBounds),
surf(surface),
_clickSrc(clickSrcBounds),
_hoverSrc(hoverSrcBounds),
_disabledSrc(disabledSrcBounds),
_isClicked(false),
_isDisabled(false) {
setVisible(false);
setTransparent(true);
}
void Button::handleInput(NancyInput &input) {
if (_isDisabled && !_disabledSrc.isEmpty()) {
return;
}
if (_screenPosition.contains(input.mousePos)) {
g_nancy->_cursor->setCursorType(CursorManager::kHotspotArrow);
if (!_hoverSrc.isEmpty() && !_isClicked) {
_drawSurface.create(surf, _hoverSrc);
setVisible(true);
}
if (input.input & NancyInput::kLeftMouseButtonUp) {
_isClicked = true;
if (_hoverSrc.isEmpty() && !_isDisabled) {
setVisible(true);
} else {
_drawSurface.create(surf, _clickSrc);
}
}
} else if (!_isClicked && _isVisible) {
setVisible(false);
}
}
void Button::setDisabled(bool disabled) {
if (disabled) {
_isDisabled = true;
if (!_disabledSrc.isEmpty()) {
_drawSurface.create(surf, _disabledSrc);
setVisible(true);
} else {
setVisible(false);
}
} else {
setVisible(false);
_isDisabled = false;
}
}
Toggle::Toggle(uint16 zOrder, Graphics::ManagedSurface &surface, const Common::Rect &srcRect, const Common::Rect &destRect) :
RenderObject(zOrder, surface, srcRect, destRect),
surf(surface),
_clickSrc(srcRect),
_toggleState(false),
_stateChanged(false) {
setVisible(false);
setTransparent(true);
}
void Toggle::handleInput(NancyInput &input) {
_stateChanged = false;
if (_screenPosition.contains(input.mousePos)) {
g_nancy->_cursor->setCursorType(CursorManager::kHotspotArrow);
if (input.input & NancyInput::kLeftMouseButtonUp) {
setState(!_toggleState);
}
}
}
void Toggle::setState(bool toggleState) {
if (_toggleState == toggleState) {
return;
}
_toggleState = toggleState;
_stateChanged = true;
if (toggleState) {
setVisible(true);
} else {
setVisible(false);
}
}
} // End of namespace UI
} // End of namespace Nancy