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135 lines
5.3 KiB
C
135 lines
5.3 KiB
C
/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2003, 2004, 2006, 2010 Develer S.r.l. (http://www.develer.com/)
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* Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
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* All Rights Reserved.
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* -->
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*
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* \defgroup menu Menu handling module
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* \ingroup gui
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* \{
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* \author Bernie Innocenti <bernie@codewiz.org>
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* \author Stefano Fedrigo <aleph@develer.com>
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*
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* \brief Common menu handling API
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*
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* $WIZ$ module_name = "menu"
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* $WIZ$ module_depends = "text", "gfx", "timer", "kbd"
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*/
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#ifndef GUI_MENU_H
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#define GUI_MENU_H
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#include <cfg/compiler.h>
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#include <gfx/gfx.h>
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/** Menu callback function */
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typedef iptr_t (*MenuHook)(iptr_t userdata);
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typedef void (*BlitBitmap)(const Bitmap *bm);
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/**
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* Menu item description.
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*/
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typedef struct MenuItem
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{
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const_iptr_t label; /**< Item label (ID or ptr to string, 0 to disable) */
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int flags; /**< See MIF_#? definitions below */
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MenuHook hook; /**< Callback function (NULL to terminate item list) */
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iptr_t userdata; /**< User data to be passed back to the hook */
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} MenuItem;
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/** Render hook callback function prototype */
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typedef void (*RenderHook)(struct Bitmap *bitmap, int ypos, bool selected, const struct MenuItem *item);
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/**
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* \name Flags for MenuItem.flags.
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* \{
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*/
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#define MIF_EXCLUDE_MASK 0x00FF /**< Mask for mutual exclusion map (shared with priority). */
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#define MIF_PRI_MASK 0x00FF /**< Mask for priority value (shared with mutual exclusion). */
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#define MIF_PRI(x) ((x) & MIF_PRI_MASK) /**< Set menu item priority. */
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#define MIF_EXCLUDE_0 BV(0) /**< Exclude item 0 when this item is checked */
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#define MIF_EXCLUDE_1 BV(1) /**< Exclude item 1 when this item is checked */
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#define MIF_EXCLUDE_2 BV(2) /**< Exclude item 2 when this item is checked */
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#define MIF_EXCLUDE_3 BV(3) /**< Exclude item 3 when this item is checked */
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#define MIF_EXCLUDE_4 BV(4) /**< Exclude item 4 when this item is checked */
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#define MIF_EXCLUDE_5 BV(5) /**< Exclude item 5 when this item is checked */
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#define MIF_EXCLUDE_6 BV(6) /**< Exclude item 6 when this item is checked */
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#define MIF_EXCLUDE_7 BV(7) /**< Exclude item 7 when this item is checked */
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#define MIF_CHECKED BV(8) /**< Item is currently checked */
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#define MIF_CHECKIT BV(9) /**< Automatically check this item when selected */
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#define MIF_TOGGLE BV(10) /**< Toggle MIF_CHECKED when item is selected */
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#define MIF_HIDDEN BV(11) /**< This menu item is not visible */
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#define MIF_DISABLED BV(12) /**< This menu item is not visible */
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#define MIF_RAMLABEL BV(13) /**< Item label is stored in RAM, not in program memory */
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#define MIF_RENDERHOOK BV(14) /**< Menu render function is passed in label field */
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/* \} */
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/**
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* Menu description.
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*/
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typedef struct Menu
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{
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MenuItem *items; /**< Array of items (end with a NULL hook) */
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const_iptr_t title; /**< Menu title (ID or ptr to string, 0 to disable) */
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int flags; /**< See MF_#? definitions below */
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struct Bitmap *bitmap; /**< Bitmap where the menu is rendered */
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int selected; /**< Initial selection (written to if MF_SAVESEL is set). */
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BlitBitmap lcd_blitBitmap; /**< Callback to call to do smooth the display */
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} Menu;
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/**
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* \name Flags for Menu.flags.
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* \{
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*/
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#define MF_STICKY BV(0) /**< Stay in the menu when the items called return */
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#define MF_TOPLEVEL BV(1) /**< Top-level menu (do not display "back" label) */
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#define MF_ROMITEMS BV(2) /**< Menu items are stored in ROM (default is RAM) */
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#define MF_SAVESEL BV(3) /**< Remember the selected item across invocations. */
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/* \} */
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/**
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* \name Special result codes for menu_handle().
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* \{
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*/
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#define MENU_OK ((iptr_t)0)
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#define MENU_CANCEL ((iptr_t)-1)
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#define MENU_TIMEOUT ((iptr_t)-2)
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#define MENU_ABORT ((iptr_t)-3)
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#define MENU_DISABLED ((iptr_t)-4)
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/* \} */
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/* Function prototypes */
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iptr_t menu_handle(const struct Menu *menu);
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int menu_setFlags(struct Menu *menu, int idx, int flags);
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int menu_clearFlags(struct Menu *menu, int idx, int flags);
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/** \} */ //defgroup menu
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#endif /* GUI_MENU_H */
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