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
269 const menu_item_type& pitem = pmenu->item[index];
272 if(pmenu->arrange_left == YES)
273 x_pos = 24 - menu_width/2
274 + (font_width * (strlen(pitem.text)
275 + strlen(pitem.input)
276 + strlen(string_list_active(pitem.list))))/2;
278 int effect_offset = 0;
281 if(timer_check(&pmenu->effect))
282 effect_time = timer_get_left(&pmenu->effect) / 4;
284 effect_offset = (index % 2) ? effect_time : -effect_time;
287 int raw_y_pos = 24*index - menu_height/2;
288 int top = raw_y_pos + effect_offset;
289 int bottom = top + 10; // bottom of the menu item
291 int start_x = screen->w/2 + x_pos;
292 int cen_y_10_f = screen->h/2 + bottom;
295 text_type* text_font = &white_text;
296 if(index == pmenu->active_item)
299 text_font = &blue_text;
306 text_drawf(&black_text, pitem.text,
308 A_HMIDDLE, A_VMIDDLE, 2);
314 int x = screen->w/2 - menu_width/2;
315 int y = screen->h/2 + raw_y_pos;
316 /* Draw a horizontal line with a little 3d effect */
320 fillrect(x, y + 10 + 6,
327 text_drawf(&white_big_text, pitem.text,
329 A_HMIDDLE, A_VMIDDLE, 2);
335 int input_pos = (strlen(pitem.input)*font_width)/2;
336 int text_pos = (strlen(pitem.text)+1)*font_width/2;
338 fillrect(start_x - input_pos + text_pos - 1, cen_y_10_f - 10,
339 (strlen(pitem.input)+1)*font_width + 2, 20,
341 fillrect(start_x - input_pos + text_pos, cen_y_10_f - 9,
342 (strlen(pitem.input)+1)*font_width, 18,
345 text_drawf(&gold_text, pitem.input,
346 x_pos + text_pos, bottom,
347 A_HMIDDLE, A_VMIDDLE, 2);
349 text_drawf(text_font, pitem.text,
350 x_pos - (((strlen(pitem.input)+1) * font_width)/2), bottom,
351 A_HMIDDLE, A_VMIDDLE, shadow_size);
354 case MN_STRINGSELECT:
356 int list_pos_2 = (strlen(string_list_active(pitem.list))+1)*font_width;
357 int list_pos = (strlen(string_list_active(pitem.list))*font_width)/2;
358 int text_pos = ((strlen(pitem.text) + 1)*font_width)/2;
361 texture_draw(&arrow_left, start_x - list_pos + text_pos - 17, cen_y_10_f - 8);
362 texture_draw(&arrow_right, start_x - list_pos + text_pos - 1 + list_pos_2, cen_y_10_f - 8);
364 /* Draw input background */
365 fillrect(start_x - list_pos + text_pos - 1, cen_y_10_f - 10,
368 fillrect(start_x - list_pos + text_pos, cen_y_10_f - 9,
372 text_drawf(&gold_text, string_list_active(pitem.list),
373 x_pos + text_pos, bottom,
374 A_HMIDDLE, A_VMIDDLE,2);
376 text_drawf(text_font, pitem.text,
377 x_pos - list_pos_2/2, bottom,
378 A_HMIDDLE, A_VMIDDLE, shadow_size);
383 texture_draw(&back, start_x + (strlen(pitem.text) * font_width)/2 + font_width, cen_y_10_f - 8);
389 if(pitem.toggled == YES)
390 texture_draw(&checkbox_checked, start_x + (strlen(pitem.text) * font_width)/2 + font_width, cen_y_10_f - 8);
392 texture_draw(&checkbox, start_x + (strlen(pitem.text) * font_width)/2 + font_width, cen_y_10_f - 8);
408 text_drawf(text_font, pitem.text, x_pos, bottom, A_HMIDDLE, A_VMIDDLE, shadow_size);
413 case MN_STRINGSELECT:
420 /* Draw the current menu. */
421 void menu_draw(menu_type* pmenu)
427 /* The width of the menu has to be more than the width of the text with the most characters */
429 for(int i = 0; i < pmenu->num_items; ++i)
431 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));
435 if( pmenu->item[i].kind == MN_TOGGLE)
440 menu_width = menu_width * 16 + 48;
441 menu_height = (pmenu->num_items) * 24;
443 int center_x = screen->w/2;
444 /* Draw a transparent background */
445 fillrect(center_x - menu_width/2,screen->h/2-(((pmenu->num_items)*24)/2),menu_width,menu_height,150,150,150,100);
447 for(int i = 0; i < pmenu->num_items; ++i)
449 menu_draw_item(pmenu, i, menu_width, menu_height);
453 /* Reset/Set global defaults */
454 void menu_reset(void)
462 delete_character = 0;
463 mn_input_char = '\0';
467 /* Draw the current menu and execute the (menu)events */
468 void menu_process_current(void)
472 if(current_menu != NULL)
474 menu_action(current_menu);
475 menu_draw(current_menu);
481 /* Check for menu event */
482 void menu_event(SDL_keysym* keysym)
484 SDLKey key = keysym->sym;
487 keymod = SDL_GetModState();
489 /* If the current unicode character is an ASCII character,
491 if ( (keysym->unicode & 0xFF80) == 0 )
493 ch[0] = keysym->unicode & 0x7F;
498 /* An International Character. */
503 case SDLK_UP: /* Menu Up */
507 case SDLK_DOWN: /* Menu Down */
508 menuaction = MN_DOWN;
511 case SDLK_LEFT: /* Menu Up */
512 menuaction = MN_LEFT;
515 case SDLK_RIGHT: /* Menu Down */
516 menuaction = MN_RIGHT;
520 if(current_menu->item[current_menu->active_item].kind == MN_TEXTFIELD)
522 menuaction = MN_INPUT;
527 case SDLK_RETURN: /* Menu Hit */
533 menuaction = MN_REMOVE;
538 if( (key >= SDLK_0 && key <= SDLK_9) || (key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_SPACE && key <= SDLK_SLASH))
540 menuaction = MN_INPUT;
546 mn_input_char = '\0';
552 /* FIXME: NO JOYSTICK SUPPORT */
554 else if (event.type == SDL_JOYBUTTONDOWN)
556 Joystick button: Continue: