50a6ca39ad
This is to a) to cleanup firmware/common and firmware/include a bit, but also b) for Rockbox as an application which should use the host system's c library and headers, separating makes it easy to exclude our files from the build. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25850 a1c6a512-1295-4272-9138-f99709370657
433 lines
11 KiB
C
433 lines
11 KiB
C
/*********************************************************************/
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/* menu.c - user menu for rockboy */
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/* */
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/* Note: this file only exposes one function: do_user_menu(). */
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/*********************************************************************/
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#include "button.h"
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#include "rockmacros.h"
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#include "mem.h"
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#include "save.h"
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#include "rtc-gb.h"
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#include "pcm.h"
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/* load/save state function declarations */
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static void do_opt_menu(void);
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static void do_slot_menu(bool is_load);
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static void munge_name(char *buf, size_t bufsiz);
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/* directory ROM save slots belong in */
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#define STATE_DIR ROCKBOX_DIR "/rockboy"
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static int getbutton(char *text)
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{
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int fw, fh;
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rb->lcd_clear_display();
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rb->font_getstringsize(text, &fw, &fh,0);
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rb->lcd_putsxy(LCD_WIDTH/2-fw/2, LCD_HEIGHT/2-fh/2, text);
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rb->lcd_update();
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rb->sleep(30);
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while (rb->button_get(false) != BUTTON_NONE)
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rb->yield();
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int button;
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while(true)
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{
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button = rb->button_get(true);
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button=button&0x00000FFF;
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return button;
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}
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}
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static void setupkeys(void)
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{
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options.UP=getbutton ("Press Up");
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options.DOWN=getbutton ("Press Down");
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options.LEFT=getbutton ("Press Left");
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options.RIGHT=getbutton ("Press Right");
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options.A=getbutton ("Press A");
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options.B=getbutton ("Press B");
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options.START=getbutton ("Press Start");
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options.SELECT=getbutton("Press Select");
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options.MENU=getbutton ("Press Menu");
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}
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/*
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* do_user_menu - create the user menu on the screen.
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*
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* Returns USER_MENU_QUIT if the user selected "quit", otherwise
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* returns zero.
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*/
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int do_user_menu(void) {
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bool done=false;
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int selected=0, ret=0;
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int result;
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int time = 0;
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#if CONFIG_RTC
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time = rb->mktime(rb->get_time());
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#endif
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#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
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rb->lcd_set_mode(LCD_MODE_RGB565);
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#endif
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/* Clean out the button Queue */
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while (rb->button_get(false) != BUTTON_NONE)
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rb->yield();
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MENUITEM_STRINGLIST(menu, "Rockboy Menu", NULL,
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"Load Game", "Save Game",
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"Options", "Quit");
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pcm_init();
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while(!done)
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{
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result = rb->do_menu(&menu, &selected, NULL, false);
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switch (result)
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{
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case 0: /* Load Game */
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do_slot_menu(true);
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break;
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case 1: /* Save Game */
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do_slot_menu(false);
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break;
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case 2: /* Options */
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do_opt_menu();
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break;
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case 3: /* Quit */
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ret = USER_MENU_QUIT;
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done=true;
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break;
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default:
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done=true;
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break;
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}
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}
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rb->lcd_setfont(0); /* Reset the font */
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rb->lcd_clear_display(); /* Clear display for screen size changes */
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/* Keep the RTC in sync */
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#if CONFIG_RTC
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time = (rb->mktime(rb->get_time()) - time) * 60;
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#endif
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while (time-- > 0) rtc_tick();
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#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
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rb->lcd_set_mode(LCD_MODE_PAL256);
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#endif
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return ret;
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}
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/*
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* munge_name - munge a string into a filesystem-safe name
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*/
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static void munge_name(char *buf, const size_t bufsiz) {
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unsigned int i, max;
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/* check strlen */
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max = strlen(buf);
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max = (max < bufsiz) ? max : bufsiz;
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/* iterate over characters and munge them (if necessary) */
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for (i = 0; i < max; i++)
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if (!isalnum(buf[i]))
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buf[i] = '_';
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}
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/*
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* build_slot_path - build a path to an slot state file for this rom
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*
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* Note: uses rom.name. Is there a safer way of doing this? Like a ROM
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* checksum or something like that?
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*/
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static void build_slot_path(char *buf, size_t bufsiz, size_t slot_id) {
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char name_buf[17];
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/* munge state file name */
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strlcpy(name_buf, rom.name, sizeof(name_buf));
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munge_name(name_buf, strlen(name_buf));
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/* glom the whole mess together */
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snprintf(buf, bufsiz, "%s/%s-%zud.rbs", STATE_DIR, name_buf, slot_id + 1);
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}
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/*
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* do_file - load or save game data in the given file
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*
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* Returns true on success and false on failure.
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*
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* @desc is a brief user-provided description (<20 bytes) of the state.
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* If no description is provided, set @desc to NULL.
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*
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*/
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static bool do_file(char *path, char *desc, bool is_load) {
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char buf[200], desc_buf[20];
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int fd, file_mode;
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/* set file mode */
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file_mode = is_load ? O_RDONLY : (O_WRONLY | O_CREAT);
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/* attempt to open file descriptor here */
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if ((fd = open(path, file_mode, 0666)) < 0)
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return false;
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/* load/save state */
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if (is_load)
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{
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/* load description */
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read(fd, desc_buf, 20);
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/* load state */
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loadstate(fd);
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/* print out a status message so the user knows the state loaded */
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snprintf(buf, 200, "Loaded state from \"%s\"", path);
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rb->splash(HZ * 1, buf);
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}
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else
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{
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/* build description buffer */
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memset(desc_buf, 0, 20);
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if (desc)
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strlcpy(desc_buf, desc, 20);
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/* save state */
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write(fd, desc_buf, 20);
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savestate(fd);
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}
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/* close file descriptor */
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close(fd);
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/* return true (for success) */
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return true;
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}
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/*
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* do_slot - load or save game data in the given slot
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*
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* Returns true on success and false on failure.
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*/
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static bool do_slot(size_t slot_id, bool is_load) {
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char path_buf[256], desc_buf[20];
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/* build slot filename, clear desc buf */
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build_slot_path(path_buf, 256, slot_id);
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memset(desc_buf, 0, 20);
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/* if we're saving to a slot, then get a brief description */
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if (!is_load)
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if ( (rb->kbd_input(desc_buf, 20) < 0) || !strlen(desc_buf) )
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{
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strlcpy(desc_buf, "Untitled", 20);
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}
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/* load/save file */
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return do_file(path_buf, desc_buf, is_load);
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}
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/*
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* get information on the given slot
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*/
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static void slot_info(char *info_buf, size_t info_bufsiz, size_t slot_id) {
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char buf[256];
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int fd;
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/* get slot file path */
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build_slot_path(buf, 256, slot_id);
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/* attempt to open slot */
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if ((fd = open(buf, O_RDONLY)) >= 0)
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{
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/* this slot has a some data in it, read it */
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if (read(fd, buf, 20) > 0)
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{
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buf[20] = '\0';
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snprintf(info_buf, info_bufsiz, "%zud. %s", slot_id + 1, buf);
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}
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else
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snprintf(info_buf, info_bufsiz, "%zud. ERROR", slot_id + 1);
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close(fd);
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}
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else
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{
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/* if we couldn't open the file, then the slot is empty */
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snprintf(info_buf, info_bufsiz, "%zu. %s", slot_id + 1, "<Empty>");
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}
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}
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/*
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* slot_get_name
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*/
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static const char* slot_get_name(int selected_item, void * data,
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char * buffer, size_t buffer_len)
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{
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const char (*items)[20] = data;
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(void) buffer;
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(void) buffer_len;
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return items[selected_item];
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}
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/*
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* list_action_callback
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*/
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static int list_action_callback(int action, struct gui_synclist *lists)
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{
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(void) lists;
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if (action == ACTION_STD_OK)
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return ACTION_STD_CANCEL;
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return action;
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}
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/*
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* do_slot_menu - prompt the user for a load/save memory slot
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*/
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static void do_slot_menu(bool is_load) {
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bool done=false;
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char items[5][20];
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int result;
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int i;
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int num_items = sizeof(items) / sizeof(*items);
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struct simplelist_info info;
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/* create menu items */
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for (i = 0; i < num_items; i++)
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slot_info(items[i], 20, i);
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rb->simplelist_info_init(&info, NULL, num_items, (void *)items);
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info.get_name = slot_get_name;
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info.action_callback = list_action_callback;
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while(!done)
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{
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if(rb->simplelist_show_list(&info))
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break;
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result = info.selection;
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if (result<num_items && result >= 0 )
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done = do_slot(result, is_load);
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else
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done = true;
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}
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}
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static void do_opt_menu(void)
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{
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bool done=false;
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int selected=0;
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int result;
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static const struct opt_items onoff[2] = {
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{ "Off", -1 },
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{ "On" , -1 },
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};
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static const struct opt_items frameskip[]= {
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{ "0 Max", -1 },
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{ "1 Max", -1 },
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{ "2 Max", -1 },
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{ "3 Max", -1 },
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{ "4 Max", -1 },
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{ "5 Max", -1 },
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{ "6 Max", -1 },
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};
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#ifdef HAVE_LCD_COLOR
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static const struct opt_items rotate[] = {
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{ "No rotation", -1 },
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{ "Rotate Right" , -1 },
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{ "Rotate Left" , -1 },
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};
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static const struct opt_items scaling[]= {
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{ "Scaled", -1 },
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{ "Scaled - Maintain Ratio", -1 },
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#if (LCD_WIDTH>=160) && (LCD_HEIGHT>=144)
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{ "Unscaled", -1 },
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#endif
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};
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static const struct opt_items palette[]= {
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{ "Brown (Default)", -1 },
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{ "Gray", -1 },
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{ "Light Gray", -1 },
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{ "Multi-Color 1", -1 },
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{ "Multi-Color 2", -1 },
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{ "Adventure Island", -1 },
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{ "Adventure Island 2", -1 },
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{ "Balloon Kid", -1 },
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{ "Batman", -1 },
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{ "Batman: Return of Joker", -1 },
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{ "Bionic Commando", -1 },
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{ "Castlvania Adventure", -1 },
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{ "Donkey Kong Land", -1 },
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{ "Dr. Mario", -1 },
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{ "Kirby", -1 },
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{ "Metroid", -1 },
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{ "Zelda", -1 },
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};
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#endif
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MENUITEM_STRINGLIST(menu, "Options", NULL,
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"Max Frameskip", "Sound", "Stats", "Set Keys (Buggy)",
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#ifdef HAVE_LCD_COLOR
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"Screen Size", "Screen Rotate", "Set Palette",
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#endif
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);
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options.dirty=1; /* Assume that the settings have been changed */
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while(!done)
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{
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result = rb->do_menu(&menu, &selected, NULL, false);
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switch (result)
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{
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case 0: /* Frameskip */
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rb->set_option("Max Frameskip", &options.maxskip, INT, frameskip,
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sizeof(frameskip)/sizeof(*frameskip), NULL );
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break;
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case 1: /* Sound */
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if(options.sound>1) options.sound=1;
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rb->set_option("Sound", &options.sound, INT, onoff, 2, NULL );
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if(options.sound) sound_dirty();
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break;
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case 2: /* Stats */
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rb->set_option("Stats", &options.showstats, INT, onoff, 2, NULL );
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break;
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case 3: /* Keys */
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setupkeys();
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break;
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#ifdef HAVE_LCD_COLOR
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case 4: /* Screen Size */
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rb->set_option("Screen Size", &options.scaling, INT, scaling,
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sizeof(scaling)/sizeof(*scaling), NULL );
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setvidmode();
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break;
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case 5: /* Screen rotate */
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rb->set_option("Screen Rotate", &options.rotate, INT, rotate,
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sizeof(rotate)/sizeof(*rotate), NULL );
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setvidmode();
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break;
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case 6: /* Palette */
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rb->set_option("Set Palette", &options.pal, INT, palette, 17, NULL );
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set_pal();
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break;
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#endif
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default:
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done=true;
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break;
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}
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}
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}
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