Initial commit

graphics/macgui/macpopupmenu.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 "graphics/macgui/macpopupmenu.h"
+#include "graphics/macgui/macwindowmanager.h"
+
+namespace Graphics {
+
+MacPopUp::MacPopUp(int id, const Common::Rect &bounds, MacWindowManager *wm, const char *string) : MacMenu(id, bounds, wm) {
+	_menuItemId = addMenuItem(nullptr, "");
+	createSubMenuFromString(0, string, 0);
+	wm->addMenu(id, this);
+	_menuId = id;
+}
+
+bool MacPopUp::draw(ManagedSurface *g, bool forceRedraw) {
+
+	if (!_isVisible)
+		return false;
+
+	if (_dimensionsDirty)
+		calcSubMenuBounds(_items[0]->submenu, _mouseX, _mouseY + _offsetY);
+
+	if (!_contentIsDirty && !forceRedraw)
+		return false;
+	_contentIsDirty = false;
+
+	_screen.clear(_wm->_colorGreen);
+	renderSubmenu(_items[0]->submenu, false);
+
+	if (g)
+		g->transBlitFrom(_screen, _wm->_colorGreen);
+
+	if (!(_wm->_mode & kWMModalMenuMode) && g)
+		g_system->copyRectToScreen(g->getPixels(), g->pitch, 0, 0, g->w, g->h);
+
+	return true;
+}
+
+void MacPopUp::closeMenu() {
+	// Special handling of popup closing (for example when displaying closing animation)
+	int activeSubItem = getLastSelectedSubmenuItem(); // Find selected item
+
+	if (activeSubItem != -1) {
+		// Do the blinking animation
+		for (int i = 0; i < kNumBlinks; i++) {
+			_items[0]->submenu->highlight = -1; // No selection
+			draw(_wm->_screen, true);
+			g_system->updateScreen();
+			g_system->delayMillis(kBlinkDelay);
+
+			_items[0]->submenu->highlight = activeSubItem; // Selection
+			draw(_wm->_screen, true);
+			g_system->updateScreen();
+			g_system->delayMillis(kBlinkDelay);
+		}
+	}
+
+	if (_isSmart && activeSubItem != -1) {
+		// Smart menu, open menu at offset position (so selected item under cursor)
+		int yDisplace = -activeSubItem * _menuDropdownItemHeight;
+		_offsetY = _mouseY + yDisplace > 0 ? yDisplace : -_mouseY; // If offset sum gets out of window, then position menu to 0 (ie below top of window)
+
+		// Checkmark handling
+		setCheckMark(_items[0]->submenu->items[activeSubItem], true);
+
+		// // Uncheck previous item if checked
+		if (_prevCheckedItem != -1 && _prevCheckedItem != activeSubItem) {
+			setCheckMark(_items[0]->submenu->items[_prevCheckedItem], false);
+		}
+
+		_prevCheckedItem = activeSubItem;
+	}
+
+	_isModal = false;
+
+	// Close now
+	MacMenu::closeMenu();
+}
+
+uint32 MacPopUp::drawAndSelectMenu(int x, int y, int item) {
+	_mouseX = x;
+	_mouseY = y;
+
+	// If menu is not active, then activate it!
+	if (!_active)
+		_wm->activateMenu();
+	setActive(true);
+
+	_contentIsDirty = true; // Set true to force refresh menu open changes
+
+	_isModal = true;
+
+	// Push our submenu to stack
+	_menustack.clear();
+	_menustack.push_back(_items[0]->submenu);
+
+	_items[0]->submenu->visStart = 0;
+	_items[0]->submenu->visEnd = 0;
+	_items[0]->submenu->scroll = 0;
+	_offsetY = 0;
+
+	if (_isSmart) {
+		int activeSubItem = getLastSelectedSubmenuItem();
+
+		if (activeSubItem != -1)
+			_offsetY = -activeSubItem * _menuDropdownItemHeight;
+		else if (_prevCheckedItem != -1)
+			_offsetY = -_prevCheckedItem * _menuDropdownItemHeight;
+
+		while (_offsetY + _mouseY < 0) {
+			_offsetY += _menuDropdownItemHeight;
+
+			_items[0]->submenu->visStart++;
+		}
+
+		int itemsLeft = _items[0]->submenu->items.size() - _items[0]->submenu->visStart;
+		int spaceLeft = _screen.h - MIN(_mouseY + _offsetY, _mouseY);
+		_items[0]->submenu->visEnd = MAX(0, itemsLeft - spaceLeft / _menuDropdownItemHeight);
+	}
+
+
+	// Highlight previous item if smart menu
+	if (_isSmart && getLastSelectedSubmenuItem() != -1) {
+		_activeItem = 0;
+		_activeSubItem = getLastSelectedSubmenuItem();
+		// Also select the item
+		_items[0]->submenu->highlight = getLastSelectedSubmenuItem();
+	}
+
+	// Display menu and update according to events
+	this->draw(_wm->_screen);
+	eventLoop();
+
+	int activeSubItem = getLastSelectedSubmenuItem();
+	if (activeSubItem == -1)
+		return item;
+
+	// Return one indexed item!
+	return activeSubItem + 1;
+}
+
+Common::String MacPopUp::getItemText(int item) {
+	// Convert 1-indexed item to 0 indexed
+	item = item - 1;
+	MacMenuItem *menu = getMenuItem(_menuItemId);
+	MacMenuItem *submenu = getSubMenuItem(menu, item);
+	return getName(submenu);
+}
+} // end of namespace Graphics