-/*!
+/**
* \file
* <!--
* Copyright 2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
* Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- * All Rights Reserved.
+ * This file is part of DevLib - See README.devlib for information.
* -->
*
* \version $Id$
/*#*
*#* $Log$
+ *#* Revision 1.8 2006/09/13 13:58:32 bernie
+ *#* Add RenderHook support.
+ *#*
+ *#* Revision 1.7 2006/08/01 12:22:46 bernie
+ *#* Mention DevLib license.
+ *#*
+ *#* Revision 1.6 2006/07/19 12:56:27 bernie
+ *#* Convert to new Doxygen style.
+ *#*
+ *#* Revision 1.5 2006/06/03 13:58:01 bernie
+ *#* Fix recursive timeout and add exit status information.
+ *#*
+ *#* Revision 1.4 2006/06/02 12:26:18 bernie
+ *#* Draw graphical checkmarks.
+ *#*
+ *#* Revision 1.3 2006/05/28 15:03:31 bernie
+ *#* Avoid unnecessary rendering.
+ *#*
*#* Revision 1.2 2006/05/25 23:34:38 bernie
*#* Implement menu timeouts.
*#*
*#*/
#include "menu.h"
+
#include <gfx/gfx.h>
#include <gfx/font.h>
#include <gfx/text.h>
#define PTRMSG(x) ((const char *)x)
#endif
+
/* Temporary fake defines for ABORT stuff... */
#define abort_top 0
#define PUSH_ABORT false
/**
- * Count the items present in a menu.
+ * Return the total number of items in in a menu.
*/
static int menu_count(const struct Menu *menu)
{
#if CONFIG_MENU_MENUBAR
-/*!
- * Update the menu bar according to the selected item
- * and redraw it.
+/**
+ * Update the menu bar according to the selected item and redraw it.
*/
static void menu_update_menubar(
const struct Menu *menu,
#endif /* CONFIG_MENU_MENUBAR */
+static void menu_defaultRenderHook(struct Bitmap *bm, int ypos, bool selected, const struct MenuItem *item)
+{
+ if (item->flags & MIF_CHECKIT)
+ {
+ gfx_rectClear(bm, 0, ypos,
+ bm->font->height, ypos + bm->font->height);
+
+ if (item->flags & MIF_TOGGLE)
+ gfx_rectDraw(bm, 2, ypos + 2,
+ bm->font->height - 2, ypos + bm->font->height - 2);
+ if (item->flags & MIF_CHECKED)
+ {
+ gfx_line(bm,
+ 3, ypos + 3,
+ bm->font->height - 3, ypos + bm->font->height - 3);
+ gfx_line(bm,
+ bm->font->height - 3, ypos + 3,
+ 3, ypos + bm->font->height - 3);
+ }
+ }
+
+#if CPU_HARVARD
+ ((item->flags & MIF_RAMLABEL) ? text_xyprintf : text_xyprintf_P)
+#else
+ text_xyprintf
+#endif
+ (
+ bm, (item->flags & MIF_CHECKIT) ? bm->font->height : 0, ypos,
+ selected ? (STYLEF_INVERT | TEXT_FILL) : TEXT_FILL,
+ PTRMSG(item->label)
+ );
+}
+
/**
* Show a menu on the display.
*/
static void menu_layout(
const struct Menu *menu,
int first_item,
- int items_per_page,
- int selected)
+ int selected,
+ bool redraw)
{
- int ypos, cnt;
+ coord_t ypos;
+ int i;
const char * PROGMEM title = PTRMSG(menu->title);
Bitmap *bm = menu->bitmap;
ypos = bm->cr.ymin;
+#if 0
+ if (redraw)
+ {
+ /* Clear screen */
+ text_clear(menu->bitmap);
+ }
+#endif
+
if (title)
{
- text_xyprintf(bm, 0, ypos, STYLEF_UNDERLINE | STYLEF_BOLD | TEXT_CENTER | TEXT_FILL, title);
+ if (redraw)
+ text_xyprintf(bm, 0, ypos, STYLEF_UNDERLINE | STYLEF_BOLD | TEXT_CENTER | TEXT_FILL, title);
ypos += bm->font->height;
}
static int speed;
coord_t old_ymin = bm->cr.ymin;
+ /* Clip drawing inside menu items area */
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));
+ bm->cr.xmax, bm->cr.ymax);
if (old_first_item != first_item)
{
+ /* Speed proportional to distance */
speed = ABS(old_first_item - first_item) * 3;
if (old_first_item > first_item)
++old_first_item;
}
}
- first_item = old_first_item;
+ first_item = MIN(old_first_item, menu_count(menu));
ypos += yoffset;
+ redraw = true;
}
-#endif
+#endif /* CONFIG_MENU_SMOOTH */
- for (cnt = 0; cnt < items_per_page; ++cnt)
+ if (redraw) for (i = first_item; /**/; ++i)
{
- const MenuItem *item = &menu->items[first_item + cnt];
+ const MenuItem *item = &menu->items[i];
#if CPU_HARVARD
MenuItem ram_item;
if (menu->flags & MF_ROMITEMS)
memcpy_P(&ram_item, item, sizeof(ram_item));
item = &ram_item;
}
-#endif
+#endif /* CPU_HARVARD */
+
+ /* Check for end of room */
+ if (ypos > bm->cr.ymax)
+ break;
/* Check for end of menu */
if (!(item->label || item->hook))
/* 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("") )
- );
+ /* Check if a special render function is supplied, otherwise use defaults */
+ RenderHook renderhook = (item->flags & MIF_RENDERHOOK) ? (RenderHook)item->label : menu_defaultRenderHook;
+
+ /* Render menuitem */
+ renderhook(menu->bitmap, ypos++, (i == selected), item);
+
ypos += bm->font->height;
}
}
#if CONFIG_MENU_SMOOTH
+ if (redraw)
+ {
+ /* Clear rest of area */
+ gfx_rectClear(bm, bm->cr.xmin, ypos, bm->cr.xmax, bm->cr.ymax);
+
+ lcd_blitBitmap(&lcd_bitmap);
+ }
+
/* Restore old cliprect */
gfx_setClipRect(bm,
bm->cr.xmin, old_ymin,
bm->cr.xmax, bm->cr.ymax);
- lcd_blitBitmap(&lcd_bitmap);
-#endif
+#endif /* CONFIG_MENU_SMOOTH */
}
-/*!
+/**
* Handle menu item selection
*/
-static void menu_doselect(const struct Menu *menu, struct MenuItem *item)
+static iptr_t menu_doselect(const struct Menu *menu, struct MenuItem *item)
{
+ iptr_t result = 0;
+
/* Exclude other items */
int mask, i;
for (mask = item->flags & MIF_EXCLUDE_MASK, i = 0; mask; mask >>= 1, ++i)
}
if (item->flags & MIF_DISABLED)
- return;
+ return MENU_DISABLED;
/* Handle checkable items */
if (item->flags & MIF_TOGGLE)
/* Handle items with callback hooks */
if (item->hook)
{
- /* Push a jmp buffer to abort the operation with the STOP key */
+ /* Push a jmp buffer to abort the operation with the STOP/CANCEL key */
if (!PUSH_ABORT)
{
- item->hook(item->userdata);
+ result = item->hook(item->userdata);
POP_ABORT;
}
}
+ else
+ result = item->userdata;
+
+ return result;
}
iptr_t menu_handle(const struct Menu *menu)
{
uint8_t items_per_page;
- uint8_t first_item, selected;
+ uint8_t first_item = 0;
+ uint8_t selected;
+ iptr_t result = 0;
+ bool redraw = true;
#if (CONFIG_MENU_TIMEOUT != 0)
ticks_t now, menu_idle_time = timer_clock();
- (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);
+ //first_item = selected = menu_next_visible_item(menu, menu->selected - 1);
+ selected = menu->selected;
+ first_item = 0;
for(;;)
{
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);
+ menu_layout(menu, first_item, selected, redraw);
+ redraw = false;
#if CONFIG_MENU_MENUBAR
menu_update_menubar(menu, &mb, selected);
item = &ram_item;
}
#endif
- menu_doselect(menu, item);
+ result = menu_doselect(menu, item);
+ redraw = true;
- /* 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;
- }
+ /* Return immediately */
+ if (!(menu->flags & MF_STICKY))
+ break;
+
+ #if (CONFIG_MENU_TIMEOUT != 0)
+ /* Chain timeout */
+ if ((result == MENU_TIMEOUT) && !(menu->flags & MF_TOPLEVEL))
+ break;
- /* Clear screen */
- text_clear(menu->bitmap);
+ /* Reset timeout */
+ menu_idle_time = timer_clock();
+ #endif
}
else if (key & K_UP)
{
selected = menu_prev_visible_item(menu, selected);
+ redraw = true;
}
else if (key & K_DOWN)
{
selected = menu_next_visible_item(menu, selected);
+ redraw = true;
}
- else if (((key & K_CANCEL)
+ else if (!(menu->flags & MF_TOPLEVEL))
+ {
+ if (key & K_CANCEL)
+ {
+ result = MENU_CANCEL;
+ break;
+ }
+
#if CONFIG_MENU_TIMEOUT != 0
- || (now - menu_idle_time > ms_to_ticks(CONFIG_MENU_TIMEOUT))
+ if (now - menu_idle_time > ms_to_ticks(CONFIG_MENU_TIMEOUT))
+ {
+ result = MENU_TIMEOUT;
+ break;
+ }
#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;
}
}
+
+ /* Store currently selected item before leaving. */
+ if (menu->flags & MF_SAVESEL)
+ CONST_CAST(struct Menu *, menu)->selected = selected;
+
+ return result;
}
-/*!
+/**
* Set flags on a menuitem.
*
* \param menu Menu owner of the item to change.
}
-/*!
+/**
* Clear flags on a menuitem.
*
* \param menu Menu owner of the item to change.