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-rw-r--r--graphics/cursorman.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/graphics/cursorman.cpp b/graphics/cursorman.cpp
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+++ b/graphics/cursorman.cpp
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+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "graphics/cursorman.h"
+
+#include "common/system.h"
+#include "common/stack.h"
+
+DECLARE_SINGLETON(Graphics::CursorManager);
+
+namespace Graphics {
+
+static bool g_initialized = false;
+
+CursorManager::CursorManager() {
+ if (!g_initialized) {
+ g_initialized = true;
+ _cursorStack.clear();
+ }
+}
+
+bool CursorManager::isVisible() {
+ if (_cursorStack.empty())
+ return false;
+ return _cursorStack.top()->_visible;
+}
+
+bool CursorManager::showMouse(bool visible) {
+ if (_cursorStack.empty())
+ return false;
+
+ _cursorStack.top()->_visible = visible;
+ return g_system->showMouse(visible);
+}
+
+void CursorManager::pushCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int targetScale) {
+ Cursor *cur = new Cursor(buf, w, h, hotspotX, hotspotY, keycolor, targetScale);
+
+ cur->_visible = isVisible();
+ _cursorStack.push(cur);
+
+ if (buf) {
+ g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, targetScale);
+ }
+}
+
+void CursorManager::popCursor() {
+ if (_cursorStack.empty())
+ return;
+
+ Cursor *cur = _cursorStack.pop();
+ delete cur;
+
+ if (!_cursorStack.empty()) {
+ cur = _cursorStack.top();
+ g_system->setMouseCursor(cur->_data, cur->_width, cur->_height, cur->_hotspotX, cur->_hotspotY, cur->_keycolor, cur->_targetScale);
+ }
+
+ g_system->showMouse(isVisible());
+}
+
+void CursorManager::replaceCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int targetScale) {
+ if (_cursorStack.empty()) {
+ pushCursor(buf, w, h, hotspotX, hotspotY, keycolor, targetScale);
+ return;
+ }
+
+ Cursor *cur = _cursorStack.top();
+ uint size = w * h;
+
+ if (cur->_size < size) {
+ delete cur->_data;
+ cur->_data = new byte[size];
+ cur->_size = size;
+ }
+
+ if (buf && cur->_data)
+ memcpy(cur->_data, buf, size);
+
+ cur->_width = w;
+ cur->_height = h;
+ cur->_hotspotX = hotspotX;
+ cur->_hotspotY = hotspotY;
+ cur->_keycolor = keycolor;
+ cur->_targetScale = targetScale;
+
+ g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, targetScale);
+}
+
+} // End of namespace Graphics