CComponents: add new class CComponentsSlider()

Provides a slider item

src/gui/components/cc_frm_slider.h

@@ -0,0 +1,92 @@
+/*
+	Based up Neutrino-GUI - Tuxbox-Project
+	Copyright (C) 2001 by Steffen Hehn 'McClean'
+
+	Classes for generic GUI-related components.
+	Copyright (C) 2013, Thilo Graf 'dbt'
+
+	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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __CC_FORM_SLIDER_H__
+#define __CC_FORM_SLIDER_H__
+
+
+#include <config.h>
+#include "cc_frm.h"
+
+
+//! Sub class of CComponentsForm. Shows a slider.
+/*!
+Paint a simple slider on screen.
+You can set default form parameters like  position, size, colors etc. and additional values
+to display current values with a slider icon.
+*/
+
+class CComponentsSlider : public CComponentsForm
+{
+	private:
+		///names of slider icons
+		std::string csl_body_icon, csl_slider_icon;
+
+		///property: current value that should be displayed by slider button, see also setValuePos()
+		int csl_current_value;
+		
+		///property: minimal scale value, see also setValueScale()
+		int csl_min_value;
+		///property: maximal scale value, see also setValueScale()
+		int csl_max_value;
+
+		///object: image objects for slider button and body
+		CComponentsPicture *csl_body_obj, *csl_slider_obj;
+
+		///init body image object
+		void initCCSlBody();
+		///init slider image object
+		void initCCSlSlider();
+		///init all items at once
+		void initCCSlItems();
+
+		///init all required variables
+		void initVarSlider(	const int& x_pos, const int& y_pos, const int& w, const int& h,
+					const int& current_value,
+					const int& min_value,
+					const int& max_value,
+					bool has_shadow,
+					fb_pixel_t& color_frame,
+					fb_pixel_t& color_body,
+					fb_pixel_t& color_shadow);
+	protected:
+
+
+	public:
+		CComponentsSlider(	const int& x_pos = 1, const int& y_pos = 1, const int& w = 120+16, const int& h = 32,
+					const int& current_value = 0,
+					const int& min_value = 0,
+					const int& max_value = 100,
+					bool has_shadow = CC_SHADOW_OFF,
+					fb_pixel_t& color_frame = COL_MENUCONTENT_PLUS_6,
+					fb_pixel_t& color_body = COL_MENUHEAD_PLUS_0,
+					fb_pixel_t& color_shadow = COL_MENUCONTENTDARK_PLUS_0);
+// 		~CComponentsSlider(); //inherited from CComponentsForm
+		
+		void setValuePos(const int& current_value);
+		void setValueScale(const int& min_value, const int& max_value);
+
+// 		void paint(bool do_save_bg = CC_SAVE_SCREEN_YES);
+};
+
+#endif