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
37 * \author Stefano Fedrigo <aleph@develer.com>
38 * \author Francesco Sacchi <batt@develer.com>
47 #include <cfg/compiler.h>
49 #warning FIXME:This module is obsolete, you must refactor it!
53 #include <avr/pgmspace.h> /* strlen_P() */
55 #define strlen_P(s) strlen(s)
56 #define text_puts_P(s, b) text_puts(s, b)
57 #define pgm_read_uint16_t(addr) (*(addr))
60 #include <string.h> /* strlen, memcpy */
63 /** Predefined labels */
64 static const pgm_char lab_1[] = "";
65 static const pgm_char lab_2[] = "mute";
66 static const pgm_char lab_3[] = "menu";
67 static const pgm_char lab_4[] = "back";
68 static const pgm_char lab_5[] = " ok ";
69 static const pgm_char lab_6[] = "Ch 1";
70 static const pgm_char lab_7[] = "Ch 2";
71 static const pgm_char lab_8[] = "C1+2";
72 static const pgm_char lab_9[] = " "UP_ARROW" ";
73 static const pgm_char lab_10[] = " "DOWN_ARROW" ";
74 static const pgm_char lab_11[] = " - ";
75 static const pgm_char lab_12[] = " + ";
76 static const pgm_char lab_13[] = "sel ";
77 static const pgm_char lab_14[] = "lock";
78 static const pgm_char lab_15[] = "unlock";
79 static const pgm_char lab_16[] = "more";
80 static const pgm_char lab_17[] = "edit";
81 static const pgm_char lab_18[] = "fast";
82 static const pgm_char lab_19[] = LEFT_ARROW" ";
83 static const pgm_char lab_20[] = " "RIGHT_ARROW;
84 static const pgm_char lab_21[] = "slow";
85 static const pgm_char lab_22[] = "yes";
86 static const pgm_char lab_23[] = "no";
89 static const pgm_char * PROGMEM label_strings[LABEL_CNT] = {
90 lab_1, lab_2, lab_3, lab_4, lab_5, lab_6, lab_7, lab_8, lab_9,
91 lab_10, lab_11, lab_12, lab_13, lab_14, lab_15, lab_16, lab_17,
92 lab_18, lab_19, lab_20, lab_21, lab_22, lab_23
96 * Macro to access a label iptr_t: if a char pointer get the string pointed to
97 * in program memory, otherwise return the corrispondent predefined string
98 * (see label_strings in menubar.c)
100 #define PTRLBL(x) ((unsigned int)(x) < 256 ? \
101 (const pgm_char *)pgm_read_uint16_t(label_strings + (unsigned int)(x)) \
102 : (const pgm_char *)(x))
106 * Initialize the MenuBar widget with the bitmap associated,
107 * the label names and the number of labels.
112 const_iptr_t labels[],
117 mb->num_labels = num_labels;
122 * Render the MenuBar on the bitmap.
124 void mbar_draw(const struct MenuBar *mb)
128 size_t maxlen = 0; /* Length of the longest label */
129 coord_t x1, x2, y1, y2, label_padding;
131 /* Maximum space available for a label */
132 coord_t slot_width = mb->bitmap->width / mb->num_labels;
134 /* Find longest label */
135 for (i = 0; i < mb->num_labels; i++)
136 if (strlen_P(PTRLBL(mb->labels[i])) > maxlen)
137 maxlen = strlen_P(PTRLBL(mb->labels[i]));
139 oldstyle = text_style(mb->bitmap, STYLEF_INVERT, STYLEF_MASK);
141 /* y coords for menubar: bottom of the bitmap */
142 y1 = mb->bitmap->height - FONT_HEIGHT;
143 y2 = mb->bitmap->height;
145 /* Clear menubar area */
146 gfx_rectClear(mb->bitmap, 0, y1, mb->bitmap->width, y2);
148 for (i = 0; i < mb->num_labels; i++)
150 size_t lablen = strlen_P(PTRLBL(mb->labels[i]));
152 /* Don't draw empty labels */
153 if (mb->labels[i] == (const_iptr_t)LABEL_EMPTY)
156 /* x coords: magic formula for equal distribution of the
157 * labels along bitmap
159 label_padding = slot_width - (FONT_WIDTH * lablen + 2);
160 x1 = i * (slot_width + (label_padding / (mb->num_labels - 1)));
161 x2 = x1 + lablen * FONT_WIDTH + 1;
163 /* Draw vertical line before.
164 * Uncomment +1 for "rounded" menubars */
165 gfx_line(mb->bitmap, x1, y1 /* + 1 */, x1, y2);
168 text_setCoord(mb->bitmap, x1 + 1, y1);
169 text_puts_P(PTRLBL(mb->labels[i]), mb->bitmap);
171 /* Draw vertical line after
172 * Uncomment +1 for "rounded" menubars */
173 gfx_line(mb->bitmap, x2, y1 /* + 1 */, x2, y2);
176 text_style(mb->bitmap, oldstyle, STYLEF_MASK);