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engines/mm/mm1/views_enh/button_container.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 "common/scummsys.h"
+#include "mm/mm1/views_enh/button_container.h"
+#include "mm/mm1/mm1.h"
+
+namespace MM {
+namespace MM1 {
+namespace ViewsEnh {
+
+void UIButton::draw(bool pressed) {
+	_sprites->draw(g_events->getScreen(),
+		pressed ? _selectedFrame : _frameNum,
+		Common::Point(_bounds.left, _bounds.top));
+}
+
+ButtonContainer::ButtonContainer(const Common::String &name,
+		UIElement *owner) : Views::TextView(name, owner) {
+}
+
+void ButtonContainer::saveButtons() {
+	_savedButtons.push(_buttons);
+	clearButtons();
+}
+
+void ButtonContainer::clearButtons() {
+	_buttons.clear();
+}
+
+void ButtonContainer::restoreButtons() {
+	_buttons = _savedButtons.pop();
+}
+
+void ButtonContainer::addButton(const Common::Rect &bounds, KeybindingAction action,
+	Shared::Xeen::SpriteResource *sprites) {
+	_buttons.push_back(UIButton(this, bounds, action, _buttons.size() * 2, sprites, sprites != nullptr));
+}
+
+void ButtonContainer::addButton(const Common::Rect &bounds, KeybindingAction action,
+	int frameNum, Shared::Xeen::SpriteResource *sprites) {
+	_buttons.push_back(UIButton(this, bounds, action, frameNum, sprites, sprites != nullptr));
+}
+
+bool ButtonContainer::msgMouseDown(const MouseDownMessage &msg) {
+	_selectedAction = KEYBIND_NONE;
+
+	if (msg._button == MouseMessage::MB_LEFT) {
+		// Check whether any button is selected
+		for (uint i = 0; i < _buttons.size(); ++i) {
+			if (_buttons[i]._bounds.contains(msg._pos) &&
+					_buttons[i]._action != KEYBIND_NONE) {
+				_selectedAction = _buttons[i]._action;
+
+				g_events->redraw();
+				g_events->drawElements();
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+bool ButtonContainer::msgMouseUp(const MouseUpMessage &msg) {
+	KeybindingAction action = _selectedAction;
+	_selectedAction = KEYBIND_NONE;
+
+	if (msg._button == MouseMessage::MB_LEFT && action != KEYBIND_NONE) {
+		for (uint i = 0; i < _buttons.size(); ++i) {
+			if (_buttons[i]._action == action) {
+				if (_buttons[i]._action == action)
+					g_events->send(ActionMessage(action));
+
+				g_events->redraw();
+				g_events->drawElements();
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+void ButtonContainer::draw() {
+	TextView::draw();
+
+	for (uint btnIndex = 0; btnIndex < _buttons.size(); ++btnIndex) {
+		UIButton &btn = _buttons[btnIndex];
+		if (btn._draw && btn._sprites)
+			btn.draw(btn._action != KEYBIND_NONE &&
+				btn._action == _selectedAction);
+	}
+}
+
+bool ButtonContainer::doScroll(bool fadeIn) {
+	// TODO
+	return false;
+}
+
+} // namespace ViewsEnh
+} // End of namespace MM1
+} // End of namespace MM