8 http://www.newbreedsoftware.com/supertux/
10 December 20, 2003 - March 15, 2004
14 #include <sys/types.h>
29 #include "leveleditor.h"
31 #include "high_scores.h"
33 /* (global) menu variables */
37 texture_type checkbox, checkbox_checked, back, arrow_left, arrow_right;
39 menu_type main_menu, game_menu, options_menu, highscore_menu, load_game_menu, save_game_menu;
40 menu_type* current_menu, * last_menu;
42 /* input implementation variables */
46 /* Set the current menu */
47 void menu_set_current(menu_type* pmenu)
49 if(pmenu != current_menu)
52 last_menu = current_menu;
54 timer_start(&pmenu->effect, 500);
58 /* Return a pointer to a new menu item */
59 menu_item_type* menu_item_create(MenuItemKind kind, char *text, int init_toggle, void* target_menu)
61 menu_item_type *pnew_item = (menu_item_type*) malloc(sizeof(menu_item_type));
62 pnew_item->kind = kind;
63 pnew_item->text = (char*) malloc(sizeof(char) * (strlen(text) + 1));
64 strcpy(pnew_item->text,text);
66 pnew_item->toggled = init_toggle;
68 pnew_item->toggled = NO;
69 pnew_item->target_menu = target_menu;
70 pnew_item->input = (char*) malloc(sizeof(char));
71 pnew_item->input[0] = '\0';
72 if(kind == MN_STRINGSELECT)
74 pnew_item->list = (string_list_type*) malloc(sizeof(string_list_type));
75 string_list_init(pnew_item->list);
78 pnew_item->list = NULL;
82 void menu_item_change_text(menu_item_type* pmenu_item,const char *text)
86 free(pmenu_item->text);
87 pmenu_item->text = (char*) malloc(sizeof(char )*(strlen(text)+1));
88 strcpy(pmenu_item->text,text);
91 void menu_item_change_input(menu_item_type* pmenu_item,const char *text)
95 free(pmenu_item->input);
96 pmenu_item->input = (char*) malloc(sizeof(char )*(strlen(text)+1));
97 strcpy(pmenu_item->input,text);
101 /* Free a menu and all its items */
102 void menu_free(menu_type* pmenu)
105 if(pmenu->num_items != 0 && pmenu->item != NULL)
107 for(i = 0; i < pmenu->num_items; ++i)
109 free(pmenu->item[i].text);
110 free(pmenu->item[i].input);
111 string_list_free(pmenu->item[i].list);
117 /* Initialize a menu */
118 void menu_init(menu_type* pmenu)
120 pmenu->arrange_left = 0;
121 pmenu->num_items = 0;
122 pmenu->active_item = 0;
124 timer_init(&pmenu->effect,NO);
127 /* Add an item to a menu */
128 void menu_additem(menu_type* pmenu, menu_item_type* pmenu_item)
131 pmenu->item = (menu_item_type*) realloc(pmenu->item, sizeof(menu_item_type) * pmenu->num_items);
132 memcpy(&pmenu->item[pmenu->num_items-1],pmenu_item,sizeof(menu_item_type));
136 /* Process actions done on the menu */
137 void menu_action(menu_type* pmenu)
141 if(pmenu->num_items != 0 && pmenu->item != NULL)
146 if(pmenu->active_item > 0)
147 --pmenu->active_item;
149 pmenu->active_item = pmenu->num_items-1;
152 if(pmenu->active_item < pmenu->num_items-1)
153 ++pmenu->active_item;
155 pmenu->active_item = 0;
158 if(pmenu->item[pmenu->active_item].kind == MN_STRINGSELECT && pmenu->item[pmenu->active_item].list->num_items != 0)
160 if(pmenu->item[pmenu->active_item].list->active_item > 0)
161 --pmenu->item[pmenu->active_item].list->active_item;
163 pmenu->item[pmenu->active_item].list->active_item = pmenu->item[pmenu->active_item].list->num_items-1;
167 if(pmenu->item[pmenu->active_item].kind == MN_STRINGSELECT && pmenu->item[pmenu->active_item].list->num_items != 0)
169 if(pmenu->item[pmenu->active_item].list->active_item < pmenu->item[pmenu->active_item].list->num_items-1)
170 ++pmenu->item[pmenu->active_item].list->active_item;
172 pmenu->item[pmenu->active_item].list->active_item = 0;
176 if(pmenu->item[pmenu->active_item].kind == MN_GOTO && pmenu->item[pmenu->active_item].target_menu != NULL)
177 menu_set_current((menu_type*)pmenu->item[pmenu->active_item].target_menu);
178 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE)
180 pmenu->item[pmenu->active_item].toggled = !pmenu->item[pmenu->active_item].toggled;
183 else if(pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD || pmenu->item[pmenu->active_item].kind == MN_NUMFIELD)
185 pmenu->item[pmenu->active_item].toggled = YES;
187 else if(pmenu->item[pmenu->active_item].kind == MN_BACK)
189 if(last_menu != NULL)
190 menu_set_current(last_menu);
194 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD || pmenu->item[pmenu->active_item].kind == MN_NUMFIELD)
196 if(pmenu->item[pmenu->active_item].input != NULL)
198 i = strlen(pmenu->item[pmenu->active_item].input);
200 while(delete_character > 0) /* remove charactes */
202 pmenu->item[pmenu->active_item].input[i-1] = '\0';
209 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD || (pmenu->item[pmenu->active_item].kind == MN_NUMFIELD && mn_input_char >= '0' && mn_input_char <= '9'))
211 if(pmenu->item[pmenu->active_item].input != NULL)
213 i = strlen(pmenu->item[pmenu->active_item].input);
214 pmenu->item[pmenu->active_item].input = (char*) realloc(pmenu->item[pmenu->active_item].input,sizeof(char)*(i + 2));
215 pmenu->item[pmenu->active_item].input[i] = mn_input_char;
216 pmenu->item[pmenu->active_item].input[i+1] = '\0';
220 pmenu->item[pmenu->active_item].input = (char*) malloc(2*sizeof(char));
221 pmenu->item[pmenu->active_item].input[0] = mn_input_char;
222 pmenu->item[pmenu->active_item].input[1] = '\0';
229 if(pmenu->item[pmenu->active_item].kind == MN_DEACTIVE || pmenu->item[pmenu->active_item].kind == MN_LABEL || pmenu->item[pmenu->active_item].kind == MN_HL)
231 if(menuaction != MN_UP && menuaction != MN_DOWN)
232 menuaction = MN_DOWN;
234 if(pmenu->num_items > 1)
240 /* Check, if the value of the active menu item has changed. */
241 int menu_check(menu_type* pmenu)
243 if(pmenu->num_items != 0 && pmenu->item != NULL)
245 if((pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD || pmenu->item[pmenu->active_item].kind == MN_NUMFIELD) && pmenu->item[pmenu->active_item].toggled == YES)
247 pmenu->item[pmenu->active_item].toggled = NO;
249 return pmenu->active_item;
251 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE || pmenu->item[pmenu->active_item].kind == MN_GOTO)
253 return pmenu->active_item;
262 void menu_draw_item(menu_type* pmenu,
263 int index, // Position of the current item in the menu
267 const menu_item_type& pitem = pmenu->item[index];
270 if(pmenu->arrange_left == YES)
271 arrange = ((menu_width - 48) + (16 * (strlen(pitem.text)
272 + strlen(pitem.input)
273 + strlen(string_list_active(pitem.list)))))/2;
278 if(timer_check(&pmenu->effect))
279 effect_time = timer_get_left(&pmenu->effect) / 4;
281 f = (index % 2) ? effect_time : -effect_time;
284 int x_pos = screen->w/2 - menu_width/2;
285 int y_pos = index * 24 - menu_height/2;
287 int start_x = screen->w/2 + arrange;
288 int center_y = screen->h /2;
290 int cen_y = center_y + y_pos;
291 int cen_y_10_f = 10 + f + cen_y;
294 text_type* text_font = &white_text;
295 if(index == pmenu->active_item)
298 text_font = &blue_text;
305 text_drawf(&black_text, pitem.text,
306 arrange, y_pos + 10 + f,
307 A_HMIDDLE, A_VMIDDLE, 2);
313 /* Draw a horizontal line with a little 3d effect */
314 fillrect(x_pos, cen_y + 6,
317 fillrect(x_pos, 10 + cen_y + 6,
324 text_drawf(&white_big_text, pitem.text,
326 A_HMIDDLE, A_VMIDDLE, 2);
332 int input_pos = ((strlen(pitem.input)*16)/2);
333 int text_pos = ((strlen(pitem.text) + 1)*16)/2;
335 fillrect(start_x - input_pos + text_pos - 1, cen_y_10_f - 10,
336 (strlen(pitem.input)+1)*16 + 2, 20,
338 fillrect(start_x - input_pos + text_pos, cen_y_10_f - 9,
339 (strlen(pitem.input)+1)*16, 18,
342 text_drawf(&gold_text, pitem.input,
343 arrange + text_pos, 10 + f + y_pos,
344 A_HMIDDLE, A_VMIDDLE, 2);
346 text_drawf(text_font, pitem.text,
347 arrange - (((strlen(pitem.input)+1) * 16)/2), y_pos + 10 + f,
348 A_HMIDDLE, A_VMIDDLE, shadow_size);
351 case MN_STRINGSELECT:
353 int list_pos_2 = (strlen(string_list_active(pitem.list))+1)*16;
354 int list_pos = (strlen(string_list_active(pitem.list))*16)/2;
355 int text_pos = ((strlen(pitem.text) + 1)*16)/2;
358 texture_draw(&arrow_left, start_x - list_pos + text_pos - 17, cen_y_10_f - 8);
359 texture_draw(&arrow_right, start_x - list_pos + text_pos - 1 + list_pos_2, cen_y_10_f - 8);
361 /* Draw input background */
362 fillrect(start_x - list_pos + text_pos - 1, cen_y_10_f - 10,
365 fillrect(start_x - list_pos + text_pos, cen_y_10_f - 9,
369 text_drawf(&gold_text, string_list_active(pitem.list),
370 arrange + text_pos, 10 + f + y_pos,
371 A_HMIDDLE, A_VMIDDLE,2);
373 text_drawf(text_font, pitem.text,
374 arrange - list_pos_2/2, 10 + f + y_pos,
375 A_HMIDDLE, A_VMIDDLE, shadow_size);
380 texture_draw(&back, start_x + (strlen(pitem.text) * 16)/2 + 16, cen_y_10_f - 8);
386 if(pitem.toggled == YES)
387 texture_draw(&checkbox_checked, start_x + (strlen(pitem.text) * 16)/2 + 16, cen_y_10_f - 8);
389 texture_draw(&checkbox, start_x + (strlen(pitem.text) * 16)/2 + 16, cen_y_10_f - 8);
405 text_drawf(text_font, pitem.text, arrange, 10 + f + y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
410 case MN_STRINGSELECT:
417 /* Draw the current menu. */
418 void menu_draw(menu_type* pmenu)
424 /* The width of the menu has to be more than the width of the text with the most characters */
426 for(int i = 0; i < pmenu->num_items; ++i)
428 y = strlen(pmenu->item[i].text) + (pmenu->item[i].input ? strlen(pmenu->item[i].input) + 1 : 0) + strlen(string_list_active(pmenu->item[i].list));
432 if( pmenu->item[i].kind == MN_TOGGLE)
437 menu_width = menu_width * 16 + 48;
438 menu_height = (pmenu->num_items) * 24;
440 int center_x = screen->w/2;
441 /* Draw a transparent background */
442 fillrect(center_x - menu_width/2,screen->h/2-(((pmenu->num_items)*24)/2),menu_width,menu_height,150,150,150,100);
444 for(int i = 0; i < pmenu->num_items; ++i)
446 menu_draw_item(pmenu, i, menu_width, menu_height);
450 /* Reset/Set global defaults */
451 void menu_reset(void)
459 delete_character = 0;
460 mn_input_char = '\0';
464 /* Draw the current menu and execute the (menu)events */
465 void menu_process_current(void)
469 if(current_menu != NULL)
471 menu_action(current_menu);
472 menu_draw(current_menu);
478 /* Check for menu event */
479 void menu_event(SDL_keysym* keysym)
481 SDLKey key = keysym->sym;
484 keymod = SDL_GetModState();
486 /* If the current unicode character is an ASCII character,
488 if ( (keysym->unicode & 0xFF80) == 0 )
490 ch[0] = keysym->unicode & 0x7F;
495 /* An International Character. */
500 case SDLK_UP: /* Menu Up */
504 case SDLK_DOWN: /* Menu Down */
505 menuaction = MN_DOWN;
508 case SDLK_LEFT: /* Menu Up */
509 menuaction = MN_LEFT;
512 case SDLK_RIGHT: /* Menu Down */
513 menuaction = MN_RIGHT;
517 if(current_menu->item[current_menu->active_item].kind == MN_TEXTFIELD)
519 menuaction = MN_INPUT;
524 case SDLK_RETURN: /* Menu Hit */
530 menuaction = MN_REMOVE;
535 if( (key >= SDLK_0 && key <= SDLK_9) || (key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_SPACE && key <= SDLK_SLASH))
537 menuaction = MN_INPUT;
543 mn_input_char = '\0';
549 /* FIXME: NO JOYSTICK SUPPORT */
551 else if (event.type == SDL_JOYBUTTONDOWN)
553 Joystick button: Continue: