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engines/titanic/support/text_cursor.h

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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/>.
+ *
+ */
+
+#ifndef TITANIC_TEXT_CURSOR_H
+#define TITANIC_TEXT_CURSOR_H
+
+#include "common/scummsys.h"
+#include "titanic/support/rect.h"
+
+namespace Titanic {
+
+class CScreenManager;
+class CVideoSurface;
+
+class CTextCursor {
+private:
+	CScreenManager *_screenManager;
+	CVideoSurface *_backRenderSurface;
+	CVideoSurface *_frontRenderSurface;
+	Point _pos;
+	Rect _screenBounds;
+	uint _blinkDelay;
+	bool _blinkVisible;
+	Point _size;
+	Point _screenTopLeft;
+	uint _priorBlinkTime;
+	byte _cursorR;
+	byte _cursorG;
+	byte _cursorB;
+	CVideoSurface *_surface;
+	int _mode;
+public:
+	bool _active;
+public:
+	CTextCursor(CScreenManager *screenManager);
+	~CTextCursor();
+
+	/**
+	 * Sets the position of the cursor
+	 */
+	void setPos(const Point &pt) { _pos = pt; }
+
+	/**
+	 * Sets the size of the cursor
+	 */
+	void setSize(const Point &size) { _size = size; }
+
+	/**
+	 * Returns the bounds for the cursor
+	 */
+	Rect getCursorBounds() const {
+		return Rect(_pos.x, _pos.y, _pos.x + _size.x, _pos.y + _size.y);
+	}
+
+	/**
+	 * Set bounds
+	 */
+	void setBounds(const Rect &r) { _screenBounds = r; }
+
+	/**
+	 * Clear the bounds
+	 */
+	void clearBounds() { _screenBounds.clear(); }
+
+	/**
+	 * Set the blinking rate
+	 */
+	void setBlinkRate(uint ticks) { _blinkDelay = ticks; }
+
+	/**
+	 * Set the cursor color
+	 */
+	void setColor(byte r, byte g, byte b);
+
+	/**
+	 * Returns whether the text cursor is active
+	 */
+	bool isActive() const { return _active; }
+
+	int getMode() const { return _mode; }
+
+	void setMode(int mode) { _mode = mode; }
+
+	/**
+	 * Show the text cursor
+	 */
+	void show();
+
+	/**
+	 * Hide the text cursor
+	 */
+	void hide();
+
+	/**
+	 * Update and draw the cursor if necessary
+	 */
+	void draw();
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_TEXT_CURSOR_H */