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 2004, 2008 Develer S.r.l. (http://www.develer.com/)
30 * All Rights Reserved.
33 * \brief Graphics Menu bar widget
35 * \author Stefano Fedrigo <aleph@develer.com>
36 * \author Francesco Sacchi <batt@develer.com>
45 #include <cfg/compiler.h>
47 #warning FIXME:This module is obsolete, you must refactor it!
51 #include <avr/pgmspace.h> /* strlen_P() */
53 #define strlen_P(s) strlen(s)
54 #define text_puts_P(s, b) text_puts(s, b)
55 #define pgm_read_uint16_t(addr) (*(addr))
58 #include <string.h> /* strlen, memcpy */
61 /** Predefined labels */
62 static const pgm_char lab_1[] = "";
63 static const pgm_char lab_2[] = "mute";
64 static const pgm_char lab_3[] = "menu";
65 static const pgm_char lab_4[] = "back";
66 static const pgm_char lab_5[] = " ok ";
67 static const pgm_char lab_6[] = "Ch 1";
68 static const pgm_char lab_7[] = "Ch 2";
69 static const pgm_char lab_8[] = "C1+2";
70 static const pgm_char lab_9[] = " "UP_ARROW" ";
71 static const pgm_char lab_10[] = " "DOWN_ARROW" ";
72 static const pgm_char lab_11[] = " - ";
73 static const pgm_char lab_12[] = " + ";
74 static const pgm_char lab_13[] = "sel ";
75 static const pgm_char lab_14[] = "lock";
76 static const pgm_char lab_15[] = "unlock";
77 static const pgm_char lab_16[] = "more";
78 static const pgm_char lab_17[] = "edit";
79 static const pgm_char lab_18[] = "fast";
80 static const pgm_char lab_19[] = LEFT_ARROW" ";
81 static const pgm_char lab_20[] = " "RIGHT_ARROW;
82 static const pgm_char lab_21[] = "slow";
83 static const pgm_char lab_22[] = "yes";
84 static const pgm_char lab_23[] = "no";
87 static const pgm_char * PROGMEM label_strings[LABEL_CNT] = {
88 lab_1, lab_2, lab_3, lab_4, lab_5, lab_6, lab_7, lab_8, lab_9,
89 lab_10, lab_11, lab_12, lab_13, lab_14, lab_15, lab_16, lab_17,
90 lab_18, lab_19, lab_20, lab_21, lab_22, lab_23
94 * Macro to access a label iptr_t: if a char pointer get the string pointed to
95 * in program memory, otherwise return the corrispondent predefined string
96 * (see label_strings in menubar.c)
98 #define PTRLBL(x) ((unsigned int)(x) < 256 ? \
99 (const pgm_char *)pgm_read_uint16_t(label_strings + (unsigned int)(x)) \
100 : (const pgm_char *)(x))
104 * Initialize the MenuBar widget with the bitmap associated,
105 * the label names and the number of labels.
110 const_iptr_t labels[],
115 mb->num_labels = num_labels;
120 * Render the MenuBar on the bitmap.
122 void mbar_draw(const struct MenuBar *mb)
126 size_t maxlen = 0; /* Length of the longest label */
127 coord_t x1, x2, y1, y2, label_padding;
129 /* Maximum space available for a label */
130 coord_t slot_width = mb->bitmap->width / mb->num_labels;
132 /* Find longest label */
133 for (i = 0; i < mb->num_labels; i++)
134 if (strlen_P(PTRLBL(mb->labels[i])) > maxlen)
135 maxlen = strlen_P(PTRLBL(mb->labels[i]));
137 oldstyle = text_style(mb->bitmap, STYLEF_INVERT, STYLEF_MASK);
139 /* y coords for menubar: bottom of the bitmap */
140 y1 = mb->bitmap->height - FONT_HEIGHT;
141 y2 = mb->bitmap->height;
143 /* Clear menubar area */
144 gfx_rectClear(mb->bitmap, 0, y1, mb->bitmap->width, y2);
146 for (i = 0; i < mb->num_labels; i++)
148 size_t lablen = strlen_P(PTRLBL(mb->labels[i]));
150 /* Don't draw empty labels */
151 if (mb->labels[i] == (const_iptr_t)LABEL_EMPTY)
154 /* x coords: magic formula for equal distribution of the
155 * labels along bitmap
157 label_padding = slot_width - (FONT_WIDTH * lablen + 2);
158 x1 = i * (slot_width + (label_padding / (mb->num_labels - 1)));
159 x2 = x1 + lablen * FONT_WIDTH + 1;
161 /* Draw vertical line before.
162 * Uncomment +1 for "rounded" menubars */
163 gfx_line(mb->bitmap, x1, y1 /* + 1 */, x1, y2);
166 text_setCoord(mb->bitmap, x1 + 1, y1);
167 text_puts_P(PTRLBL(mb->labels[i]), mb->bitmap);
169 /* Draw vertical line after
170 * Uncomment +1 for "rounded" menubars */
171 gfx_line(mb->bitmap, x2, y1 /* + 1 */, x2, y2);
174 text_style(mb->bitmap, oldstyle, STYLEF_MASK);