BeRTOS
menubar.c
Go to the documentation of this file.
00001 
00040 #include "menubar.h"
00041 
00042 #include <gfx/gfx.h>
00043 #include <gfx/text.h>
00044 #include <gfx/font.h>
00045 #include <cfg/compiler.h>
00046 
00047 #warning FIXME:This module is obsolete, you must refactor it!
00048 
00049 #if 0
00050 #if CPU_AVR
00051     #include <avr/pgmspace.h> /* strlen_P() */
00052 #else
00053     #define strlen_P(s)             strlen(s)
00054     #define text_puts_P(s, b)       text_puts(s, b)
00055     #define pgm_read_uint16_t(addr) (*(addr))
00056 #endif
00057 
00058 #include <string.h> /* strlen, memcpy */
00059 
00060 
00062 static const pgm_char lab_1[]  = "";
00063 static const pgm_char lab_2[]  = "mute";
00064 static const pgm_char lab_3[]  = "menu";
00065 static const pgm_char lab_4[]  = "back";
00066 static const pgm_char lab_5[]  = " ok ";
00067 static const pgm_char lab_6[]  = "Ch 1";
00068 static const pgm_char lab_7[]  = "Ch 2";
00069 static const pgm_char lab_8[]  = "C1+2";
00070 static const pgm_char lab_9[]  = " "UP_ARROW" ";
00071 static const pgm_char lab_10[] = " "DOWN_ARROW" ";
00072 static const pgm_char lab_11[] = " - ";
00073 static const pgm_char lab_12[] = " + ";
00074 static const pgm_char lab_13[] = "sel ";
00075 static const pgm_char lab_14[] = "lock";
00076 static const pgm_char lab_15[] = "unlock";
00077 static const pgm_char lab_16[] = "more";
00078 static const pgm_char lab_17[] = "edit";
00079 static const pgm_char lab_18[] = "fast";
00080 static const pgm_char lab_19[] = LEFT_ARROW" ";
00081 static const pgm_char lab_20[] = " "RIGHT_ARROW;
00082 static const pgm_char lab_21[] = "slow";
00083 static const pgm_char lab_22[] = "yes";
00084 static const pgm_char lab_23[] = "no";
00085 
00086 
00087 static const pgm_char * PROGMEM label_strings[LABEL_CNT] = {
00088     lab_1, lab_2, lab_3, lab_4, lab_5, lab_6, lab_7, lab_8, lab_9,
00089     lab_10, lab_11, lab_12, lab_13, lab_14, lab_15, lab_16, lab_17,
00090     lab_18, lab_19, lab_20, lab_21, lab_22, lab_23
00091 };
00092 
00098 #define PTRLBL(x) ((unsigned int)(x) < 256 ? \
00099     (const pgm_char *)pgm_read_uint16_t(label_strings + (unsigned int)(x)) \
00100     : (const pgm_char *)(x))
00101 
00102 
00107 void mbar_init(
00108         struct MenuBar *mb,
00109         struct Bitmap *bmp,
00110         const_iptr_t labels[],
00111         int num_labels)
00112 {
00113     mb->bitmap     = bmp;
00114     mb->labels     = labels;
00115     mb->num_labels = num_labels;
00116 }
00117 
00118 
00122 void mbar_draw(const struct MenuBar *mb)
00123 {
00124     uint8_t oldstyle;
00125     int i;
00126     size_t maxlen = 0;  /* Length of the longest label */
00127     coord_t x1, x2, y1, y2, label_padding;
00128 
00129     /* Maximum space available for a label */
00130     coord_t slot_width = mb->bitmap->width / mb->num_labels;
00131 
00132     /* Find longest label */
00133     for (i = 0; i < mb->num_labels; i++)
00134         if (strlen_P(PTRLBL(mb->labels[i])) > maxlen)
00135             maxlen = strlen_P(PTRLBL(mb->labels[i]));
00136 
00137     oldstyle = text_style(mb->bitmap, STYLEF_INVERT, STYLEF_MASK);
00138 
00139     /* y coords for menubar: bottom of the bitmap */
00140     y1 = mb->bitmap->height - FONT_HEIGHT;
00141     y2 = mb->bitmap->height;
00142 
00143     /* Clear menubar area */
00144     gfx_rectClear(mb->bitmap, 0, y1, mb->bitmap->width, y2);
00145 
00146     for (i = 0; i < mb->num_labels; i++)
00147     {
00148         size_t lablen = strlen_P(PTRLBL(mb->labels[i]));
00149 
00150         /* Don't draw empty labels */
00151         if (mb->labels[i] == (const_iptr_t)LABEL_EMPTY)
00152             continue;
00153 
00154         /* x coords: magic formula for equal distribution of the
00155          * labels along bitmap
00156          */
00157         label_padding = slot_width - (FONT_WIDTH * lablen + 2);
00158         x1 = i * (slot_width + (label_padding / (mb->num_labels - 1)));
00159         x2 = x1 + lablen * FONT_WIDTH + 1;
00160 
00161         /* Draw vertical line before.
00162          * Uncomment +1 for "rounded" menubars */
00163         gfx_line(mb->bitmap, x1, y1 /* + 1 */, x1, y2);
00164 
00165         /* Draw text */
00166         text_setCoord(mb->bitmap, x1 + 1, y1);
00167         text_puts_P(PTRLBL(mb->labels[i]), mb->bitmap);
00168 
00169         /* Draw vertical line after
00170          * Uncomment +1 for "rounded" menubars */
00171         gfx_line(mb->bitmap, x2, y1 /* + 1 */, x2, y2);
00172     }
00173 
00174     text_style(mb->bitmap, oldstyle, STYLEF_MASK);
00175 }
00176 #endif
00177