4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2006 Develer S.r.l. (http://www.develer.com/)
30 * Copyright 2000,2001 Bernie Innocenti <bernie@codewiz.org>
36 * \author Bernie Innocenti <bernie@codewiz.org>
38 * \brief Custom Qt widget for emulating a graphics LCD display (implementation)
54 * Qt widget to emulate a dot-matrix LCD display.
56 class EmulLCD : public QFrame
62 enum { COLS = 20, ROWS = 4 };
65 EmulLCD(QWidget *parent = 0, const char *name = 0);
68 // Base class overrides
70 virtual QSizePolicy sizePolicy() const;
71 virtual QSize sizeHint() const;
72 virtual void drawContents(QPainter *p);
76 void MoveCursor (int col, int row);
77 void ShowCursor (bool show = true);
78 void PutChar (unsigned char c);
81 void SetCGRamAddr (unsigned char addr);
85 void SetPainter(QPainter & p);
86 void RedrawText(QPainter & p);
87 void PrintChar(QPainter & p, int row, int col);
90 QFont lcd_font; ///< Display character font
91 QColor fg_color, bg_color; ///< LCD colors
92 int font_width, font_height; ///< Font dimensions
93 int frame_width; ///< Frame width (and height)
94 int cr_row, cr_col; ///< Cursor position
95 int cgramaddr; ///< CGRAM Address (-1 disabled)
96 unsigned char ddram[ROWS][COLS];///< Display data RAM
97 unsigned char cgram[8*8]; ///< CGRAM
98 bool show_cursor; ///< Cursor enabled?
101 #endif // !defined(EMULLCD_H)