Add menubar.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@1229 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/gui/menubar.c b/bertos/gui/menubar.c
new file mode 100644 (file)
index 0000000..f62a2fe
--- /dev/null
+++ b/bertos/gui/menubar.c
@@ -0,0 +1,150 @@
+/**
+ * \file
+ * Copyright 2004, 2008 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ *
+ * \version $Id$
+ *
+ * \author Stefano Fedrigo <aleph@develer.com>
+ * \author Francesco Sacchi <batt@develer.com>
+ *
+ * \brief Graphics Menu bar widget
+ */
+
+#include "menubar.h"
+
+#include <gfx/gfx.h>
+#include <gfx/text.h>
+#include <gfx/font.h>
+#include <cfg/compiler.h>
+
+#if CPU_AVR
+       #include <avr/pgmspace.h> /* strlen_P() */
+#else
+       #define strlen_P(s)             strlen(s)
+       #define text_puts_P(s, b)       text_puts(s, b)
+       #define pgm_read_uint16_t(addr) (*(addr))
+#endif
+
+#include <string.h> /* strlen, memcpy */
+
+
+/** Predefined labels */
+static const pgm_char lab_1[]  = "";
+static const pgm_char lab_2[]  = "mute";
+static const pgm_char lab_3[]  = "menu";
+static const pgm_char lab_4[]  = "back";
+static const pgm_char lab_5[]  = " ok ";
+static const pgm_char lab_6[]  = "Ch 1";
+static const pgm_char lab_7[]  = "Ch 2";
+static const pgm_char lab_8[]  = "C1+2";
+static const pgm_char lab_9[]  = " "UP_ARROW" ";
+static const pgm_char lab_10[] = " "DOWN_ARROW" ";
+static const pgm_char lab_11[] = " - ";
+static const pgm_char lab_12[] = " + ";
+static const pgm_char lab_13[] = "sel ";
+#if OEM_BRAND == OEM_CLAIRBROS
+static const pgm_char lab_14[] = "gain";
+#else
+static const pgm_char lab_14[] = "lock";
+#endif
+static const pgm_char lab_15[] = "unlock";
+static const pgm_char lab_16[] = "more";
+static const pgm_char lab_17[] = "edit";
+static const pgm_char lab_18[] = "fast";
+static const pgm_char lab_19[] = LEFT_ARROW" ";
+static const pgm_char lab_20[] = " "RIGHT_ARROW;
+static const pgm_char lab_21[] = "slow";
+static const pgm_char lab_22[] = "yes";
+static const pgm_char lab_23[] = "no";
+
+
+static const pgm_char * PROGMEM label_strings[LABEL_CNT] = {
+       lab_1, lab_2, lab_3, lab_4, lab_5, lab_6, lab_7, lab_8, lab_9,
+       lab_10, lab_11, lab_12, lab_13, lab_14, lab_15, lab_16, lab_17,
+       lab_18, lab_19, lab_20, lab_21, lab_22, lab_23
+};
+
+/**
+ * Macro to access a label iptr_t: if a char pointer get the string pointed to
+ * in program memory, otherwise return the corrispondent predefined string
+ * (see label_strings in menubar.c)
+ */
+#define PTRLBL(x) ((unsigned int)(x) < 256 ? \
+       (const pgm_char *)pgm_read_uint16_t(label_strings + (unsigned int)(x)) \
+       : (const pgm_char *)(x))
+
+
+/**
+ * Initialize the MenuBar widget with the bitmap associated,
+ * the label names and the number of labels.
+ */
+void mbar_init(
+               struct MenuBar *mb,
+               struct Bitmap *bmp,
+               const_iptr_t labels[],
+               int num_labels)
+{
+       mb->bitmap     = bmp;
+       mb->labels     = labels;
+       mb->num_labels = num_labels;
+}
+
+
+/**
+ * Render the MenuBar on the bitmap.
+ */
+void mbar_draw(const struct MenuBar *mb)
+{
+       uint8_t oldstyle;
+       int i;
+       size_t maxlen = 0;  /* Length of the longest label */
+       coord_t x1, x2, y1, y2, label_padding;
+
+       /* Maximum space available for a label */
+       coord_t slot_width = mb->bitmap->width / mb->num_labels;
+
+       /* Find longest label */
+       for (i = 0; i < mb->num_labels; i++)
+               if (strlen_P(PTRLBL(mb->labels[i])) > maxlen)
+                       maxlen = strlen_P(PTRLBL(mb->labels[i]));
+
+       oldstyle = text_style(mb->bitmap, STYLEF_INVERT, STYLEF_MASK);
+
+       /* y coords for menubar: bottom of the bitmap */
+       y1 = mb->bitmap->height - FONT_HEIGHT;
+       y2 = mb->bitmap->height;
+
+       /* Clear menubar area */
+       gfx_rectClear(mb->bitmap, 0, y1, mb->bitmap->width, y2);
+
+       for (i = 0; i < mb->num_labels; i++)
+       {
+               size_t lablen = strlen_P(PTRLBL(mb->labels[i]));
+
+               /* Don't draw empty labels */
+               if (mb->labels[i] == (const_iptr_t)LABEL_EMPTY)
+                       continue;
+
+               /* x coords: magic formula for equal distribution of the
+                * labels along bitmap
+                */
+               label_padding = slot_width - (FONT_WIDTH * lablen + 2);
+               x1 = i * (slot_width + (label_padding / (mb->num_labels - 1)));
+               x2 = x1 + lablen * FONT_WIDTH + 1;
+
+               /* Draw vertical line before.
+                * Uncomment +1 for "rounded" menubars */
+               gfx_line(mb->bitmap, x1, y1 /* + 1 */, x1, y2);
+
+               /* Draw text */
+               text_setCoord(mb->bitmap, x1 + 1, y1);
+               text_puts_P(PTRLBL(mb->labels[i]), mb->bitmap);
+
+               /* Draw vertical line after
+                * Uncomment +1 for "rounded" menubars */
+               gfx_line(mb->bitmap, x2, y1 /* + 1 */, x2, y2);
+       }
+
+       text_style(mb->bitmap, oldstyle, STYLEF_MASK);
+}

diff --git a/bertos/gui/menubar.h b/bertos/gui/menubar.h
new file mode 100644 (file)
index 0000000..324167f
--- /dev/null
+++ b/bertos/gui/menubar.h
@@ -0,0 +1,97 @@
+/**
+ * \file
+ * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ *
+ * \version $Id$
+ *
+ * \author Stefano Fedrigo <aleph@develer.com>
+ *
+ * \brief Graphic menu bar widget.
+ */
+
+/*#*
+ *#* $Log: menubar.h,v $
+ *#* Revision 1.17  2006/06/16 16:18:49  batt
+ *#* Fix doxygen docs.
+ *#*
+ *#* Revision 1.16  2005/11/16 18:10:19  bernie
+ *#* Move top-level headers to cfg/ as in DevLib.
+ *#*
+ *#* Revision 1.15  2005/02/17 03:49:21  bernie
+ *#* Update to new PGM api.
+ *#*
+ *#* Revision 1.14  2004/10/31 11:02:15  aleph
+ *#* Rename functions with correct codying conventions; Simplify version display
+ *#*
+ *#* Revision 1.13  2004/09/27 12:05:46  powersoft
+ *#* Use sel label for toggle menus and remove it
+ *#*
+ *#* Revision 1.12  2004/09/27 10:05:33  powersoft
+ *#* Menu cosmetic fixes
+ *#*/
+#ifndef MWARE_MENUBAR_H
+#define MWARE_MENUBAR_H
+
+#include <appconfig.h>
+#include <cfg/compiler.h>
+#include <brand.h>
+
+/** Predefined labels ids */
+enum LabelId
+{
+       LABEL_EMPTY,  /* empty label */
+       LABEL_MUTE,
+       LABEL_MENU,
+       LABEL_BACK,
+       LABEL_OK,
+       LABEL_CH_1,
+       LABEL_CH_2,
+       LABEL_C1PLUS2,
+       LABEL_UPARROW,
+       LABEL_DOWNARROW,
+       LABEL_MINUS,
+       LABEL_PLUS,
+       LABEL_SEL,
+       #if OEM_BRAND == OEM_CLAIRBROS
+       LABEL_GAIN,
+       #else
+       LABEL_LOCK,
+       #endif
+       LABEL_UNLOCK,
+       LABEL_MORE,
+       LABEL_EDIT,
+       LABEL_FAST,
+       LABEL_PREV,
+       LABEL_NEXT,
+       LABEL_SLOW,
+       LABEL_YES,
+       LABEL_NO,
+
+
+       LABEL_CNT
+};
+
+#define UP_ARROW "\x18"
+#define DOWN_ARROW  "\x19"
+#define RIGHT_ARROW "\xC4\x1A"
+#define LEFT_ARROW  "\x10\xC4"
+
+/* Forward decl */
+struct Bitmap;
+
+typedef struct MenuBar
+{
+       struct Bitmap *bitmap;
+       const_iptr_t  *labels;
+       int            num_labels;
+} MenuBar;
+
+void mbar_init(
+               struct MenuBar *mb,
+               struct Bitmap *bmp,
+               const_iptr_t *labels,
+               int num_labels);
+void mbar_draw(const struct MenuBar *mb);
+
+#endif /* MWARE_MENUBAR_H */