mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2024-11-23 11:59:23 +01:00
556 lines
12 KiB
C++
556 lines
12 KiB
C++
/*********************************************************************
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*
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* Copyright (C) 2004,2008, Simon Kagstrom
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*
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* Filename: menu.c
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* Author: Simon Kagstrom <simon.kagstrom@gmail.com>
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* Description: Code for menus (originally for Mophun)
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*
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* $Id$
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*
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********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "menu.hh"
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#include "utils.hh"
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#include "menutexts.h"
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#define IS_SUBMENU(p_msg) ( (p_msg)[0] == '^' )
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#define IS_TEXT(p_msg) ( (p_msg)[0] == '#' || (p_msg)[0] == ' ' )
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#define IS_MARKER(p_msg) ( (p_msg)[0] == '@' )
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static submenu_t *find_submenu(menu_t *p_menu, int index)
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{
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int i;
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for (i=0; i<p_menu->n_submenus; i++)
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{
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if (p_menu->p_submenus[i].index == index)
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return &p_menu->p_submenus[i];
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}
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return NULL;
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}
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void menu_print_font(SDL_Surface *screen, int r, int g, int b,
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int x, int y, const char *msg)
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{
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#define _MAX_STRING 64
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SDL_Surface *font_surf;
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SDL_Rect dst = {x, y, 0, 0};
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SDL_Color color = {r, g, b};
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char buf[255];
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unsigned int i;
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memset(buf, 0, sizeof(buf));
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strncpy(buf, msg, 254);
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if (buf[0] != '|' && buf[0] != '^' && buf[0] != '.'
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&& buf[0] != '-' && buf[0] != ' ' && !strstr(buf, " \""))
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{
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if (strlen(buf)>_MAX_STRING)
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{
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buf[_MAX_STRING-3] = '.';
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buf[_MAX_STRING-2] = '.';
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buf[_MAX_STRING-1] = '.';
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buf[_MAX_STRING] = '\0';
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}
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}
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/* Fixup multi-menu option look */
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for (i = 0; i < strlen(buf) ; i++)
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{
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if (buf[i] == '^' || buf[i] == '|')
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buf[i] = ' ';
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}
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font_surf = TTF_RenderText_Blended(menu_font, buf,
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color);
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if (!font_surf)
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{
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fprintf(stderr, "%s\n", TTF_GetError());
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exit(1);
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}
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SDL_BlitSurface(font_surf, NULL, screen, &dst);
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SDL_FreeSurface(font_surf);
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}
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static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel)
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{
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int font_height = TTF_FontHeight(p_menu->p_font);
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int line_height = (font_height + font_height / 4);
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int x_start = p_menu->x1;
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int y_start = p_menu->y1 + line_height;
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SDL_Rect r;
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int entries_visible = (p_menu->y2 - p_menu->y1) / line_height - 2;
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int i, y;
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char pTemp[256];
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if ( p_menu->n_entries * line_height > p_menu->y2 )
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y_start = p_menu->y1 + line_height;
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if (p_menu->cur_sel - p_menu->start_entry_visible > entries_visible)
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{
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while (p_menu->cur_sel - p_menu->start_entry_visible > entries_visible)
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{
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p_menu->start_entry_visible ++;
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if (p_menu->start_entry_visible > p_menu->n_entries)
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{
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p_menu->start_entry_visible = 0;
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break;
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}
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}
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}
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else if ( p_menu->cur_sel < p_menu->start_entry_visible )
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p_menu->start_entry_visible = p_menu->cur_sel;
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if (strlen(p_menu->title))
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{
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r.x = p_menu->x1;
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r.y = p_menu->y1;
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r.w = p_menu->x2 - p_menu->x1;
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r.h = line_height-1;
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if (sel < 0)
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SDL_FillRect(screen, &r, SDL_MapRGB(screen->format, 0x40, 0x00, 0x00));
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else
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SDL_FillRect(screen, &r, SDL_MapRGB(screen->format, 0x00, 0x00, 0xff));
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menu_print_font(screen, 0,0,0, p_menu->x1, p_menu->y1, p_menu->title);
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}
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for (i = p_menu->start_entry_visible; i <= p_menu->start_entry_visible + entries_visible; i++)
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{
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const char *msg = p_menu->pp_msgs[i];
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if (i >= p_menu->n_entries)
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break;
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if (IS_MARKER(msg))
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p_menu->cur_sel = atoi(&msg[1]);
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else
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{
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y = (i - p_menu->start_entry_visible) * line_height;
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if (sel < 0)
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menu_print_font(screen, 0x40,0x40,0x40,
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x_start, y_start + y, msg);
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else if (p_menu->cur_sel == i) /* Selected - color */
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menu_print_font(screen, 0,255,0,
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x_start, y_start + y, msg);
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else if (IS_SUBMENU(msg))
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{
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if (p_menu->cur_sel == i-1)
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menu_print_font(screen, 0x80,0xff,0x80,
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x_start, y_start + y, msg);
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else
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menu_print_font(screen, 0x40,0x40,0x40,
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x_start, y_start + y, msg);
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}
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else if (msg[0] == '#')
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{
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switch (msg[1])
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{
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case '1':
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menu_print_font(screen, 0,0,255,
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x_start, y_start + y, msg+2);
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break;
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case '2':
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menu_print_font(screen, 0x80,0x80,0x80,
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x_start, y_start + y, msg+2);
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break;
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default:
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menu_print_font(screen, 0x40,0x40,0x40,
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x_start, y_start + y, msg);
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break;
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}
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}
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else /* Otherwise white */
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menu_print_font(screen, 0x40,0x40,0x40,
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x_start, y_start + y, msg);
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if (IS_SUBMENU(msg))
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{
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submenu_t *p_submenu = find_submenu(p_menu, i);
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int n_pipe = 0;
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int n;
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for (n=0; msg[n] != '\0'; n++)
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{
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/* Underline the selected entry */
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if (msg[n] == '|')
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{
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int16_t n_chars;
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for (n_chars = 1; msg[n+n_chars] && msg[n+n_chars] != '|'; n_chars++);
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n_pipe++;
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if (p_submenu->sel == n_pipe-1)
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{
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int w;
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int h;
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if (TTF_SizeText(p_menu->p_font, "X", &w, &h) < 0)
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{
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fw = w;
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fh = h;
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fprintf(stderr, "%s\n", TTF_GetError());
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exit(1);
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}
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r = (SDL_Rect){ x_start + (n+1) * w-1, y_start + (i+ 1 - p_menu->start_entry_visible) * ((h + h/4)) -3, (n_chars - 1) * w, 2};
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if (p_menu->cur_sel == i-1)
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SDL_FillRect(screen, &r,
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SDL_MapRGB(screen->format, 0x0,0xff,0x80));
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else
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SDL_FillRect(screen, &r,
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SDL_MapRGB(screen->format, 0x40,0x40,0x40));
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break;
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}
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}
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}
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}
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}
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}
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}
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static int get_next_seq_y(menu_t *p_menu, int v, int dy)
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{
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if (v + dy < 0)
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return p_menu->n_entries - 1;
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if (v + dy > p_menu->n_entries - 1)
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return 0;
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return v + dy;
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}
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static void select_next(menu_t *p_menu, int dx, int dy)
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{
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int next;
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char buffer[256];
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p_menu->cur_sel = get_next_seq_y(p_menu, p_menu->cur_sel, dy);
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next = get_next_seq_y(p_menu, p_menu->cur_sel, dy + 1);
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if (p_menu->pp_msgs[p_menu->cur_sel][0] == ' ' ||
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p_menu->pp_msgs[p_menu->cur_sel][0] == '#' ||
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IS_SUBMENU(p_menu->pp_msgs[p_menu->cur_sel]) )
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select_next(p_menu, dx, dy);
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/* If the next is a submenu */
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if (dx != 0 && IS_SUBMENU(p_menu->pp_msgs[next]))
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{
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submenu_t *p_submenu = find_submenu(p_menu, next);
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p_submenu->sel = (p_submenu->sel + dx) < 0 ? p_submenu->n_entries - 1 :
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(p_submenu->sel + dx) % p_submenu->n_entries;
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}
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else if (dx == -1 && !strcmp(p_menu->pp_msgs[0], "[..]"))
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p_menu->cur_sel = 0;
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}
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static void select_one(menu_t *p_menu, int sel)
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{
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if (sel >= p_menu->n_entries)
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sel = 0;
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p_menu->cur_sel = sel;
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if (p_menu->pp_msgs[p_menu->cur_sel][0] == ' ' ||
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p_menu->pp_msgs[p_menu->cur_sel][0] == '#' ||
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IS_SUBMENU(p_menu->pp_msgs[p_menu->cur_sel]))
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select_next(p_menu, 0, 1);
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}
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static int is_submenu_title(menu_t *p_menu, int n)
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{
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if (n+1 >= p_menu->n_entries)
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return 0;
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else
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return IS_SUBMENU(p_menu->pp_msgs[n+1]);
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}
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uint32_t menu_wait_key_press(void)
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{
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SDL_Event ev;
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uint32_t keys = 0;
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while (1)
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{
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if (SDL_PollEvent(&ev))
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{
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switch(ev.type)
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{
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case SDL_KEYDOWN:
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switch (ev.key.keysym.sym)
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{
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case SDLK_UP:
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keys |= KEY_UP;
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break;
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case SDLK_DOWN:
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keys |= KEY_DOWN;
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break;
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case SDLK_LEFT:
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keys |= KEY_LEFT;
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break;
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case SDLK_RIGHT:
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keys |= KEY_RIGHT;
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break;
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case SDLK_PAGEDOWN:
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keys |= KEY_PAGEDOWN;
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break;
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case SDLK_PAGEUP:
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keys |= KEY_PAGEUP;
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break;
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case SDLK_RETURN:
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case SDLK_SPACE:
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keys |= KEY_SELECT;
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break;
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case SDLK_HOME:
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case SDLK_ESCAPE:
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keys |= KEY_ESCAPE;
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break;
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default:
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break;
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}
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break;
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case SDL_QUIT:
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exit(0);
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break;
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default:
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break;
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}
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break;
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}
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if (keys != 0)
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return keys;
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SDL_Delay(100);
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}
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return keys;
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}
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static int menu_select_internal(SDL_Surface *screen,
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menu_t *p_menu, int *p_submenus, int sel,
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void (*select_next_cb)(menu_t *p, void *data) = NULL,
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void *select_next_cb_data = NULL)
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{
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int ret = -1;
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for (int i = 0; i < p_menu->n_submenus; i++)
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p_menu->p_submenus[i].sel = p_submenus[i];
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while(1)
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{
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SDL_Rect r = {p_menu->x1, p_menu->y1,
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p_menu->x2 - p_menu->x1, p_menu->y2 - p_menu->y1};
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uint32_t keys;
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int sel_last = p_menu->cur_sel;
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SDL_FillRect(screen, &r, SDL_MapRGB(screen->format, 0x00, 0x80, 0x80));
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menu_draw(screen, p_menu, 0);
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SDL_Flip(screen);
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keys = menu_wait_key_press();
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if (keys & KEY_UP)
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select_next(p_menu, 0, -1);
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else if (keys & KEY_DOWN)
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select_next(p_menu, 0, 1);
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else if (keys & KEY_PAGEUP)
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select_next(p_menu, 0, -6);
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else if (keys & KEY_PAGEDOWN)
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select_next(p_menu, 0, 6);
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else if (keys & KEY_LEFT)
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select_next(p_menu, -1, 0);
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else if (keys & KEY_RIGHT)
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select_next(p_menu, 1, 0);
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else if (keys & KEY_ESCAPE)
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break;
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else if (keys & KEY_SELECT)
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{
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ret = p_menu->cur_sel;
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int i;
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for (i=0; i<p_menu->n_submenus; i++)
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p_submenus[i] = p_menu->p_submenus[i].sel;
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break;
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}
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/* Invoke the callback when an entry is selected */
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if (sel_last != p_menu->cur_sel &&
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select_next_cb != NULL)
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select_next_cb(p_menu, select_next_cb_data);
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}
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SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
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return ret;
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}
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int menu_select_sized(const char *title, const char **msgs, int *submenus, int sel,
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int x, int y, int x2, int y2,
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void (*select_next_cb)(menu_t *p, void *data) = NULL,
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void *select_next_cb_data = NULL)
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{
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menu_t menu;
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int out;
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bool info;
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if (!strcmp(title, "Folder") || !strcmp(title, "Single File") ||
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!strcmp(title, "C-64 Disc") || !strcmp(title, "C-64 Tape") || sel < 0)
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info = false;
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else
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info = true;
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menu_init(&menu, title, menu_font, msgs,
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x, y, x2, y2);
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if (sel >= 0)
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select_one(&menu, sel);
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out = menu_select_internal(real_screen, &menu, submenus, sel,
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select_next_cb, select_next_cb_data);
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menu_fini(&menu);
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return out;
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}
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int menu_select(const char *title, const char **msgs, int *submenus)
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{
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return menu_select_sized(title, msgs, submenus, 0,
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32, 32, FULL_DISPLAY_X-32, FULL_DISPLAY_Y-64);
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}
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static const char *menu_select_file_internal(const char *dir_path,
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int x, int y, int x2, int y2)
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{
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const char **file_list = get_file_list(dir_path);
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char *sel;
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char *out;
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int opt;
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if (file_list == NULL)
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return NULL;
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opt = menu_select_sized("Select file", file_list, NULL, 0,
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x, y, x2, y2,
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d64_list_cb, (void*)dir_path);
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if (opt < 0)
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return NULL;
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sel = strdup(file_list[opt]);
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/* Cleanup everything - file_list is NULL-terminated */
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for ( int i = 0; file_list[i]; i++ )
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free((void*)file_list[i]);
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free(file_list);
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if (!sel)
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return NULL;
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/* If this is a folder, enter it recursively */
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if (sel[0] == '[')
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{
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char buf[255];
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int len = strlen(sel);
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int s;
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const char *p;
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/* Remove trailing ] */
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sel[len-1] = '\0';
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s = snprintf(buf, 128, "%s/%s", dir_path, sel + 1);
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/* We don't need this anymore */
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free((void*)sel);
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/* Too deep recursion! */
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if (s >= sizeof(buf))
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return NULL;
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return menu_select_file(buf);
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}
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out = (char*)malloc(strlen(dir_path) + strlen(sel) + 4);
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snprintf(out, strlen(dir_path) + strlen(sel) + 4,
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"%s/%s", dir_path, sel);
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free(sel);
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return out;
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}
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const char *menu_select_file(const char *dir_path)
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{
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return menu_select_file_internal(dir_path,
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32, 32, FULL_DISPLAY_X/2, FULL_DISPLAY_Y - 32);
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}
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void Menu::setText(const char *messages)
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{
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int submenu;
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/* Free the old stuff */
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this->n_submenus = 0;
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free(this->p_submenus);
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free(this->pp_msgs);
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for (this->n_entries = 0; messages[p_menu->n_entries]; this->n_entries++)
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{
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/* Is this a submenu? */
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if (IS_SUBMENU(messages[this->n_entries]))
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{
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this->n_submenus++;
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continue; /* Length of submenus is unimportant */
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}
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}
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this->pp_msgs = (const char **)malloc(this->n_entries * sizeof(const char *));
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this->p_submenus = (submenu_t *)malloc(this->n_submenus * sizeof(submenu_t));
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for (int i = 0; i < this->n_entries; i++) {
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this->pp_msgs[i] = strdup(messages[i]);
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BUG_ON(!this->pp_msgs[i]);
|
|
}
|
|
|
|
BUG_ON(!this->pp_msgs);
|
|
BUG_ON(!this->p_submenus);
|
|
|
|
submenu = 0;
|
|
|
|
for (int i = 0; i < this->n_entries; i++)
|
|
{
|
|
if (IS_SUBMENU(this->pp_msgs[i]))
|
|
{
|
|
int n;
|
|
|
|
this->p_submenus[submenu].index = i;
|
|
this->p_submenus[submenu].sel = 0;
|
|
this->p_submenus[submenu].n_entries = 0;
|
|
for (n = 0; this->pp_msgs[i][n] != '\0'; n++)
|
|
{
|
|
if (this->pp_msgs[i][n] == '|')
|
|
this->p_submenus[submenu].n_entries++;
|
|
}
|
|
submenu++;
|
|
}
|
|
}
|
|
}
|
|
|
|
Menu::Menu(TTF_Font *font, SDL_Color clr, int w, int h)
|
|
{
|
|
this->text_color = clr;
|
|
this->font = font;
|
|
this->w = w;
|
|
this->h = h;
|
|
|
|
this->pp_msgs = NULL;
|
|
this->n_entries = 0;
|
|
this->p_submenus = NULL;
|
|
this->n_submenus = 0;
|
|
|
|
this->cur_sel = 0;
|
|
this->hover_callback = NULL;
|
|
this->selection_callback = NULL;
|
|
this->mouse_x = -1;
|
|
this->mouse_y = -1;
|
|
}
|
|
|
|
Menu::~Menu()
|
|
{
|
|
free(this->pp_msgs);
|
|
free(this->p_submenus);
|
|
}
|