our current experimental Neutrino branch

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/gui/widget/drawable.h

@@ -0,0 +1,164 @@
+/*
+	Neutrino-GUI  -   DBoxII-Project
+
+	Copyright (C) 2001 Steffen Hehn 'McClean'
+	Homepage: http://dbox.cyberphoria.org/
+
+	Kommentar:
+
+	Diese GUI wurde von Grund auf neu programmiert und sollte nun vom
+	Aufbau und auch den Ausbaumoeglichkeiten gut aussehen. Neutrino basiert
+	auf der Client-Server Idee, diese GUI ist also von der direkten DBox-
+	Steuerung getrennt. Diese wird dann von Daemons uebernommen.
+
+
+	License: GPL
+
+	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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#ifndef __drawable__
+#define __drawable__
+
+#include <driver/fb_window.h>
+#include <system/localize.h>
+
+#include <string>
+#include <vector>
+
+class Drawable;
+
+typedef std::vector<std::vector<Drawable*> > ContentLines;
+
+
+/**
+ * The base class for items which can be drawn on a CFBWindow.
+ */
+class Drawable
+{
+public:
+
+	enum DType {
+		DTYPE_DRAWABLE,
+		DTYPE_PAGEBREAK
+	};
+
+	virtual ~Drawable();
+	
+	/**
+	 * Overwrite this method in subclasses to draw on the window
+	 *
+	 * @param window the window to draw on
+	 * @param x x component of the top left corner
+	 * @param y y component of the top left corner
+	 */
+	virtual void draw(CFBWindow *window, int x, int y, int width) = 0;
+
+	virtual int getWidth(void);
+	
+	virtual int getHeight(void);
+
+	/**
+	 * Overwrite this method in subclasses to print some info
+	 * about the content. Mainly used for debuging ;) 
+	 */
+	virtual void print(void) = 0;
+
+	/**
+	 * Returns the type of this drawable. Used to distinguish between
+	 * drawing objects and control objects like pagebreaks.
+	 * @return the type of this drawable.
+	 */
+	virtual DType getType();
+
+protected:
+
+	Drawable();
+
+	int m_height;
+
+	int m_width;
+
+private:	
+	
+};
+
+/**
+ * This class draws a given string.
+ */
+class DText : public Drawable
+{
+public:
+	DText(std::string& text);
+
+	DText(const char *text);
+
+	void init();
+
+	void draw(CFBWindow *window, int x, int y, int width);
+	
+	void print();
+
+protected:
+
+	std::string m_text;
+
+};
+
+
+/**
+ * This class draws a given icon.
+ */
+class DIcon : public Drawable
+{
+public:
+	DIcon(std::string& icon);
+
+	DIcon(const char  *icon);
+
+	void init();
+
+	void draw(CFBWindow *window, int x, int y, int width);
+	
+	void print();
+
+protected:
+
+	std::string m_icon;
+};
+
+/**
+ * This class is used as a control object and forces a new page
+ * in scrollable windows.
+ */
+class DPagebreak : public Drawable
+{
+public:
+	DPagebreak();
+
+	void draw(CFBWindow *window, int x, int y, int width);
+	
+	void print();
+
+	DType getType();
+
+protected:
+
+private:
+	
+};
+
+#endif