+++ /dev/null
-/*!
- * \file
- * <!--
- * Copyright 2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- * All Rights Reserved.
- * -->
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- *
- * \brief General pourpose menu handling functions
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.2 2006/05/25 23:34:38 bernie
- *#* Implement menu timeouts.
- *#*
- *#* Revision 1.1 2006/05/15 07:20:54 bernie
- *#* Move menu to gui/.
- *#*
- *#* Revision 1.7 2006/04/27 05:39:24 bernie
- *#* Enhance text rendering to arbitrary x,y coords.
- *#*
- *#* Revision 1.6 2006/04/11 00:07:32 bernie
- *#* Implemenent MF_SAVESEL flag.
- *#*
- *#* Revision 1.5 2006/03/22 09:49:51 bernie
- *#* Simplifications from project_grl.
- *#*
- *#* Revision 1.4 2006/03/20 17:48:35 bernie
- *#* Implement support for ROM menus.
- *#*
- *#* Revision 1.3 2006/02/20 14:34:32 bernie
- *#* Include appconfig.h before using its definitions.
- *#*
- *#* Revision 1.2 2006/02/15 09:10:51 bernie
- *#* Make title bold; Fix height when we have no menubar.
- *#*/
-
-#include "menu.h"
-#include <gfx/gfx.h>
-#include <gfx/font.h>
-#include <gfx/text.h>
-#include <drv/kbd.h>
-#include <cfg/compiler.h>
-#include <cfg/debug.h>
-#include <appconfig.h>
-#include <string.h> /* strcpy() */
-
-#if CPU_HARVARD
-#include <avr/pgmspace.h> /* strncpy_P() */
-#endif
-
-#if CONFIG_MENU_SMOOTH
-#include <drv/lcd_gfx.h>
-#endif
-
-#if (CONFIG_MENU_TIMEOUT != 0)
-#include <drv/timer.h>
-#endif
-
-#if CONFIG_MENU_MENUBAR
-#include "menubar.h"
-#endif
-
-#if defined(CONFIG_LOCALE) && (CONFIG_LOCALE == 1)
-#include "msg.h"
-#else
-#define PTRMSG(x) ((const char *)x)
-#endif
-
-/* Temporary fake defines for ABORT stuff... */
-#define abort_top 0
-#define PUSH_ABORT false
-#define POP_ABORT do {} while(0)
-#define DO_ABORT do {} while(0)
-
-
-/**
- * Count the items present in a menu.
- */
-static int menu_count(const struct Menu *menu)
-{
- int cnt = 0;
-
- for (cnt = 0; /*NOP*/; ++cnt)
- {
- const MenuItem *item = &menu->items[cnt];
-#if CPU_HARVARD
- MenuItem ram_item;
- if (menu->flags & MF_ROMITEMS)
- {
- memcpy_P(&ram_item, item, sizeof(ram_item));
- item = &ram_item;
- }
-#endif
- if (!(item->label || item->hook))
- break;
- }
-
- return cnt;
-}
-
-#if CONFIG_MENU_MENUBAR
-
-/*!
- * Update the menu bar according to the selected item
- * and redraw it.
- */
-static void menu_update_menubar(
- const struct Menu *menu,
- struct MenuBar *mb,
- int selected)
-{
- int item_flags;
-#if CPU_HARVARD
- if (menu->flags & MF_ROMITEMS)
- {
- ASSERT(sizeof(menu->items[selected].flags) == sizeof(int));
- item_flags = pgm_read_int(&menu->items[selected].flags);
- }
- else
-#endif
- item_flags = menu->items[selected].flags;
-
- const_iptr_t newlabel = (const_iptr_t)LABEL_OK;
-
- if (item_flags & MIF_DISABLED)
- newlabel = (const_iptr_t)LABEL_EMPTY;
- else if (item_flags & MIF_TOGGLE)
- newlabel = (const_iptr_t)LABEL_SEL;
- else if (item_flags & MIF_CHECKIT)
- {
- newlabel = (item_flags & MIF_CHECKED) ?
- (const_iptr_t)LABEL_EMPTY : (const_iptr_t)LABEL_SEL;
- }
-
- mb->labels[3] = newlabel;
- mbar_draw(mb);
-}
-#endif /* CONFIG_MENU_MENUBAR */
-
-
-/**
- * Show a menu on the display.
- */
-static void menu_layout(
- const struct Menu *menu,
- int first_item,
- int items_per_page,
- int selected)
-{
- int ypos, cnt;
- const char * PROGMEM title = PTRMSG(menu->title);
- Bitmap *bm = menu->bitmap;
-
- ypos = bm->cr.ymin;
-
- if (title)
- {
- text_xyprintf(bm, 0, ypos, STYLEF_UNDERLINE | STYLEF_BOLD | TEXT_CENTER | TEXT_FILL, title);
- ypos += bm->font->height;
- }
-
-#if CONFIG_MENU_SMOOTH
- static coord_t yoffset = 0;
- static int old_first_item = 0;
- static int speed;
- coord_t old_ymin = bm->cr.ymin;
-
- gfx_setClipRect(bm,
- bm->cr.xmin, bm->cr.ymin + ypos,
- bm->cr.xmax, MIN(bm->cr.ymax, bm->cr.ymin + ypos + items_per_page * bm->font->height));
-
- if (old_first_item != first_item)
- {
- speed = ABS(old_first_item - first_item) * 3;
-
- if (old_first_item > first_item)
- {
- yoffset += speed;
- if (yoffset > bm->font->height)
- {
- yoffset = 0;
- --old_first_item;
- }
- }
- else
- {
- yoffset -= speed;
- if (yoffset < -bm->font->height)
- {
- yoffset = 0;
- ++old_first_item;
- }
- }
- first_item = old_first_item;
-
- ypos += yoffset;
- }
-#endif
-
- for (cnt = 0; cnt < items_per_page; ++cnt)
- {
- const MenuItem *item = &menu->items[first_item + cnt];
-#if CPU_HARVARD
- MenuItem ram_item;
- if (menu->flags & MF_ROMITEMS)
- {
- memcpy_P(&ram_item, item, sizeof(ram_item));
- item = &ram_item;
- }
-#endif
-
- /* Check for end of menu */
- if (!(item->label || item->hook))
- break;
-
- /* Only print visible items */
- if (!(item->flags & MIF_HIDDEN))
- {
-#if CPU_HARVARD
- text_xyprintf_P
-#else
- text_xyprintf
-#endif
- (
- bm, 0, ypos,
- (first_item + cnt == selected) ? (STYLEF_INVERT | TEXT_FILL) : TEXT_FILL,
- (item->flags & MIF_RAMLABEL) ? PSTR("%s%S") : PSTR("%S%S"),
- PTRMSG(item->label),
- (item->flags & MIF_TOGGLE) ?
- ( (item->flags & MIF_CHECKED) ? PSTR(":ON") : PSTR(":OFF") )
- : ( (item->flags & MIF_CHECKED) ? PSTR("\04") : PSTR("") )
- );
- ypos += bm->font->height;
- }
- }
-
-#if CONFIG_MENU_SMOOTH
- /* Restore old cliprect */
- gfx_setClipRect(bm,
- bm->cr.xmin, old_ymin,
- bm->cr.xmax, bm->cr.ymax);
-
- lcd_blitBitmap(&lcd_bitmap);
-#endif
-}
-
-
-/*!
- * Handle menu item selection
- */
-static void menu_doselect(const struct Menu *menu, struct MenuItem *item)
-{
- /* Exclude other items */
- int mask, i;
- for (mask = item->flags & MIF_EXCLUDE_MASK, i = 0; mask; mask >>= 1, ++i)
- {
- if (mask & 1)
- menu->items[i].flags &= ~MIF_CHECKED;
- }
-
- if (item->flags & MIF_DISABLED)
- return;
-
- /* Handle checkable items */
- if (item->flags & MIF_TOGGLE)
- item->flags ^= MIF_CHECKED;
- else if (item->flags & MIF_CHECKIT)
- item->flags |= MIF_CHECKED;
-
- /* Handle items with callback hooks */
- if (item->hook)
- {
- /* Push a jmp buffer to abort the operation with the STOP key */
- if (!PUSH_ABORT)
- {
- item->hook(item->userdata);
- POP_ABORT;
- }
- }
-}
-
-
-/**
- * Return the next visible item (rolls back to the first item)
- */
-static int menu_next_visible_item(const struct Menu *menu, int index)
-{
- int total = menu_count(menu);
- int item_flags;
-
- do
- {
- if (++index >= total)
- index = 0;
-
-#if CPU_HARVARD
- if (menu->flags & MF_ROMITEMS)
- {
- ASSERT(sizeof(menu->items[index].flags) == sizeof(int));
- item_flags = pgm_read_int(&menu->items[index].flags);
- }
- else
-#endif
- item_flags = menu->items[index].flags;
- }
- while (item_flags & MIF_HIDDEN);
-
- return index;
-}
-
-
-/**
- * Return the previous visible item (rolls back to the last item)
- */
-static int menu_prev_visible_item(const struct Menu *menu, int index)
-{
- int total = menu_count(menu);
- int item_flags;
-
- do
- {
- if (--index < 0)
- index = total - 1;
-
-#if CPU_HARVARD
- if (menu->flags & MF_ROMITEMS)
- {
- ASSERT(sizeof(menu->items[index].flags) == sizeof(int));
- item_flags = pgm_read_int(&menu->items[index].flags);
- }
- else
-#endif
- item_flags = menu->items[index].flags;
- }
- while (item_flags & MIF_HIDDEN);
-
- return index;
-}
-
-
-/**
- * Handle a menu and invoke hook functions for the selected menu items.
- */
-iptr_t menu_handle(const struct Menu *menu)
-{
- uint8_t items_per_page;
- uint8_t first_item, selected;
-
-#if (CONFIG_MENU_TIMEOUT != 0)
- ticks_t now, menu_idle_time = timer_clock();
-#endif
-
-#if CONFIG_MENU_MENUBAR
- struct MenuBar mb;
- const_iptr_t labels[] =
- {
- (const_iptr_t)LABEL_BACK,
- (const_iptr_t)LABEL_UPARROW,
- (const_iptr_t)LABEL_DOWNARROW,
- (const_iptr_t)0
- };
-
- /*
- * Initialize menu bar
- */
- if (menu->flags & MF_TOPLEVEL)
- labels[0] = (const_iptr_t)LABEL_EMPTY;
-
- mbar_init(&mb, menu->bitmap, labels, countof(labels));
-#endif /* CONFIG_MENU_MENUBAR */
-
-
- items_per_page =
- (menu->bitmap->height / menu->bitmap->font->height)
-#if CONFIG_MENU_MENUBAR
- - 1 /* menu bar labels */
-#endif
- - (menu->title ? 1 : 0);
-
- /* Selected item should be a visible entry */
- first_item = selected = menu_next_visible_item(menu, menu->selected - 1);
-
- /* Clear screen */
- text_clear(menu->bitmap);
-
- for(;;)
- {
- keymask_t key;
-
- /*
- * Keep selected item visible
- */
- while (selected < first_item)
- first_item = menu_prev_visible_item(menu, first_item);
- while (selected >= first_item + items_per_page)
- first_item = menu_next_visible_item(menu, first_item);
-
- menu_layout(menu, first_item, items_per_page, selected);
-
- #if CONFIG_MENU_MENUBAR
- menu_update_menubar(menu, &mb, selected);
- #endif
-
- #if CONFIG_MENU_SMOOTH || (CONFIG_MENU_TIMEOUT != 0)
- key = kbd_peek();
- #else
- key = kbd_get();
- #endif
-
- #if (CONFIG_MENU_TIMEOUT != 0)
- /* Reset idle timer on key press. */
- now = timer_clock();
- if (key)
- menu_idle_time = now;
- #endif
-
- if (key & K_OK)
- {
- struct MenuItem *item = &(menu->items[selected]);
-#if CPU_HARVARD
- MenuItem ram_item;
- if (menu->flags & MF_ROMITEMS)
- {
- memcpy_P(&ram_item, item, sizeof(ram_item));
- item = &ram_item;
- }
-#endif
- menu_doselect(menu, item);
-
- /* Return userdata as result */
- if (!menu->flags & MF_STICKY)
- {
- /* Store currently selected item before leaving. */
- if (menu->flags & MF_SAVESEL)
- CONST_CAST(struct Menu *, menu)->selected = selected;
- return item->userdata;
- }
-
- /* Clear screen */
- text_clear(menu->bitmap);
- }
- else if (key & K_UP)
- {
- selected = menu_prev_visible_item(menu, selected);
- }
- else if (key & K_DOWN)
- {
- selected = menu_next_visible_item(menu, selected);
- }
- else if (((key & K_CANCEL)
- #if CONFIG_MENU_TIMEOUT != 0
- || (now - menu_idle_time > ms_to_ticks(CONFIG_MENU_TIMEOUT))
- #endif
- ) && !(menu->flags & MF_TOPLEVEL)
- )
- {
- /* Store currently selected item before leaving. */
- if (menu->flags & MF_SAVESEL)
- CONST_CAST(struct Menu *, menu)->selected = selected;
- return 0;
- }
- }
-}
-
-
-/*!
- * Set flags on a menuitem.
- *
- * \param menu Menu owner of the item to change.
- * \param idx Index of the menu item.
- * \param flags Bit mask of the flags to set.
- *
- * \return Old flags.
- */
-int menu_setFlags(struct Menu *menu, int idx, int flags)
-{
- ASSERT(idx < menu_count(menu));
- ASSERT(!(menu->flags & MF_ROMITEMS));
-
- int old = menu->items[idx].flags;
- menu->items[idx].flags |= flags;
- return old;
-}
-
-
-/*!
- * Clear flags on a menuitem.
- *
- * \param menu Menu owner of the item to change.
- * \param idx Index of the menu item.
- * \param flags Bit mask of the flags to clear.
- *
- * \return Old flags.
- */
-int menu_clearFlags(struct Menu *menu, int idx, int flags)
-{
- ASSERT(idx < menu_count(menu));
- ASSERT(!(menu->flags & MF_ROMITEMS));
-
- int old = menu->items[idx].flags;
- menu->items[idx].flags &= ~flags;
- return old;
-}
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