Initial commit

engines/nancy/ui/button.cpp

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+/* 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,
+			const Common::Rect &baseSrcBounds) :
+		RenderObject(zOrder, surface, clickSrcBounds, destBounds),
+		surf(surface),
+		_clickSrc(clickSrcBounds),
+		_hoverSrc(hoverSrcBounds),
+		_disabledSrc(disabledSrcBounds),
+		_baseSrc(baseSrcBounds),
+		_isClicked(false),
+		_isDisabled(false) {
+	if (!_baseSrc.isEmpty()) {
+		_drawSurface.create(surf, _baseSrc);
+		setVisible(true);
+	} else {
+		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) {
+		if (!_baseSrc.isEmpty()) {
+			_drawSurface.create(surf, _baseSrc);
+			setVisible(true);
+		} else {
+			setVisible(false);
+		}
+	}
+}
+
+void Button::setDisabled(bool disabled) {
+	if (disabled) {
+		_isDisabled = true;
+		if (!_disabledSrc.isEmpty()) {
+			_drawSurface.create(surf, _disabledSrc);
+			setVisible(true);
+		} else {
+			if (!_baseSrc.isEmpty()) {
+				_drawSurface.create(surf, _baseSrc);
+				setVisible(true);
+			} else {
+				setVisible(false);
+			}
+		}
+	} else {
+		if (!_baseSrc.isEmpty()) {
+			_drawSurface.create(surf, _baseSrc);
+			setVisible(true);
+		} 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