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 */
34 MenuAction menuaction;
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->x = screen->w/2;
121 pmenu->y = screen->h/2;
122 pmenu->arrange_left = 0;
123 pmenu->num_items = 0;
124 pmenu->active_item = 0;
126 timer_init(&pmenu->effect,NO);
129 /* Add an item to a menu */
130 void menu_additem(menu_type* pmenu, menu_item_type* pmenu_item)
133 pmenu->item = (menu_item_type*)realloc(pmenu->item, sizeof(menu_item_type) * pmenu->num_items);
134 memcpy(&pmenu->item[pmenu->num_items-1],pmenu_item,sizeof(menu_item_type));
138 /* Process actions done on the menu */
139 void menu_action(menu_type* pmenu)
141 menu_item_type& item = pmenu->item[pmenu->active_item];
143 if(pmenu->num_items != 0 && pmenu->item != NULL)
148 if(pmenu->active_item > 0)
149 --pmenu->active_item;
151 pmenu->active_item = pmenu->num_items-1;
154 case MENU_ACTION_DOWN:
155 if(pmenu->active_item < pmenu->num_items-1)
156 ++pmenu->active_item;
158 pmenu->active_item = 0;
161 case MENU_ACTION_LEFT:
162 if(item.kind == MN_STRINGSELECT
163 && item.list->num_items != 0)
165 if(item.list->active_item > 0)
166 --item.list->active_item;
168 item.list->active_item = item.list->num_items-1;
171 case MENU_ACTION_RIGHT:
172 if(item.kind == MN_STRINGSELECT
173 && item.list->num_items != 0)
175 if(item.list->active_item < item.list->num_items-1)
176 ++item.list->active_item;
178 item.list->active_item = 0;
182 case MENU_ACTION_HIT:
183 if(item.kind == MN_GOTO
184 && item.target_menu != NULL)
185 menu_set_current((menu_type*)item.target_menu);
187 else if(item.kind == MN_TOGGLE)
189 item.toggled = !item.toggled;
192 else if(item.kind == MN_ACTION || item.kind == MN_TEXTFIELD || item.kind == MN_NUMFIELD)
196 else if(item.kind == MN_BACK)
198 if(last_menu != NULL)
199 menu_set_current(last_menu);
203 case MENU_ACTION_REMOVE:
204 if(item.kind == MN_TEXTFIELD
205 || item.kind == MN_NUMFIELD)
207 if(item.input != NULL)
209 int i = strlen(item.input);
211 while(delete_character > 0) /* remove charactes */
213 item.input[i-1] = '\0';
220 case MENU_ACTION_INPUT:
221 if(item.kind == MN_TEXTFIELD
222 || (item.kind == MN_NUMFIELD && mn_input_char >= '0' && mn_input_char <= '9'))
224 if(item.input != NULL)
226 int i = strlen(item.input);
227 item.input = (char*) realloc(item.input,sizeof(char)*(i + 2));
228 item.input[i] = mn_input_char;
229 item.input[i+1] = '\0';
233 item.input = (char*) malloc(2*sizeof(char));
234 item.input[0] = mn_input_char;
235 item.input[1] = '\0';
240 case MENU_ACTION_NONE:
245 menu_item_type& new_item = pmenu->item[pmenu->active_item];
246 if(new_item.kind == MN_DEACTIVE
247 || new_item.kind == MN_LABEL
248 || new_item.kind == MN_HL)
250 // Skip the horzontal line item
251 if(menuaction != MENU_ACTION_UP && menuaction != MENU_ACTION_DOWN)
252 menuaction = MENU_ACTION_DOWN;
254 if(pmenu->num_items > 1)
259 /* Check, if the value of the active menu item has changed. */
260 int menu_check(menu_type* pmenu)
262 menu_item_type& item = pmenu->item[pmenu->active_item];
264 if(pmenu->num_items != 0 && pmenu->item != NULL)
266 if((item.kind == MN_ACTION || item.kind == MN_TEXTFIELD || item.kind == MN_NUMFIELD) && item.toggled == YES)
270 return pmenu->active_item;
272 else if(item.kind == MN_TOGGLE || item.kind == MN_GOTO)
274 return pmenu->active_item;
283 void menu_draw_item(menu_type* pmenu,
284 int index, // Position of the current item in the menu
290 const menu_item_type& pitem = pmenu->item[index];
292 int effect_offset = 0;
295 if(timer_check(&pmenu->effect))
296 effect_time = timer_get_left(&pmenu->effect) / 4;
298 effect_offset = (index % 2) ? effect_time : -effect_time;
301 int x_pos = pmenu->x;
302 int y_pos = pmenu->y + 24*index - menu_height/2 + 12 + effect_offset;
304 int text_width = strlen(pitem.text) * font_width;
305 int input_width = strlen(pitem.input) * font_width;
306 int list_width = strlen(string_list_active(pitem.list)) * font_width;
307 text_type* text_font = &white_text;
309 if(pmenu->arrange_left == YES)
310 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
312 if(index == pmenu->active_item)
315 text_font = &blue_text;
322 text_draw_align(&black_text, pitem.text,
324 A_HMIDDLE, A_VMIDDLE, 2);
330 int x = pmenu->x - menu_width/2;
331 int y = y_pos - 12 - effect_offset;
332 /* Draw a horizontal line with a little 3d effect */
343 text_draw_align(&white_big_text, pitem.text,
345 A_HMIDDLE, A_VMIDDLE, 2);
351 int input_pos = input_width/2;
352 int text_pos = (text_width + font_width)/2;
354 fillrect(x_pos - input_pos + text_pos - 1, y_pos - 10,
355 input_width + font_width + 2, 20,
357 fillrect(x_pos - input_pos + text_pos, y_pos - 9,
358 input_width + font_width, 18,
361 text_draw_align(&gold_text, pitem.input,
362 x_pos + text_pos, y_pos,
363 A_HMIDDLE, A_VMIDDLE, 2);
365 text_draw_align(text_font, pitem.text,
366 x_pos - (input_width + font_width)/2, y_pos,
367 A_HMIDDLE, A_VMIDDLE, shadow_size);
370 case MN_STRINGSELECT:
372 int list_pos_2 = list_width + font_width;
373 int list_pos = list_width/2;
374 int text_pos = (text_width + font_width)/2;
377 texture_draw(&arrow_left, x_pos - list_pos + text_pos - 17, y_pos - 8);
378 texture_draw(&arrow_right, x_pos - list_pos + text_pos - 1 + list_pos_2, y_pos - 8);
380 /* Draw input background */
381 fillrect(x_pos - list_pos + text_pos - 1, y_pos - 10,
384 fillrect(x_pos - list_pos + text_pos, y_pos - 9,
388 text_draw_align(&gold_text, string_list_active(pitem.list),
389 x_pos + text_pos, y_pos,
390 A_HMIDDLE, A_VMIDDLE,2);
392 text_draw_align(text_font, pitem.text,
393 x_pos - list_pos_2/2, y_pos,
394 A_HMIDDLE, A_VMIDDLE, shadow_size);
399 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
400 texture_draw(&back, x_pos + text_width/2 + font_width, y_pos - 8);
406 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
408 if(pitem.toggled == YES)
409 texture_draw(&checkbox_checked,
410 x_pos + (text_width+font_width)/2,
413 texture_draw(&checkbox,
414 x_pos + (text_width+font_width)/2,
419 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
423 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
428 /* Draw the current menu. */
429 void menu_draw(menu_type* pmenu)
434 /* The width of the menu has to be more than the width of the text
435 with the most characters */
437 for(int i = 0; i < pmenu->num_items; ++i)
439 int w = strlen(pmenu->item[i].text) + (pmenu->item[i].input ? strlen(pmenu->item[i].input) + 1 : 0) + strlen(string_list_active(pmenu->item[i].list));
443 if( pmenu->item[i].kind == MN_TOGGLE)
448 menu_width = menu_width * 16 + 48;
449 menu_height = (pmenu->num_items) * 24;
451 /* Draw a transparent background */
452 fillrect(pmenu->x - menu_width/2,
453 pmenu->y - 24*pmenu->num_items/2,
454 menu_width,menu_height,150,150,150,100);
456 for(int i = 0; i < pmenu->num_items; ++i)
458 menu_draw_item(pmenu, i, menu_width, menu_height);
462 /* Reset/Set global defaults */
463 void menu_reset(void)
467 menuaction = MENU_ACTION_NONE;
471 delete_character = 0;
472 mn_input_char = '\0';
476 /* Draw the current menu and execute the (menu)events */
477 void menu_process_current(void)
481 if(current_menu != NULL)
483 menu_action(current_menu);
484 menu_draw(current_menu);
487 menuaction = MENU_ACTION_NONE;
490 /* Check for menu event */
491 void menu_event(SDL_keysym* keysym)
493 SDLKey key = keysym->sym;
496 keymod = SDL_GetModState();
498 /* If the current unicode character is an ASCII character,
500 if ( (keysym->unicode & 0xFF80) == 0 )
502 ch[0] = keysym->unicode & 0x7F;
507 /* An International Character. */
512 case SDLK_UP: /* Menu Up */
513 menuaction = MENU_ACTION_UP;
516 case SDLK_DOWN: /* Menu Down */
517 menuaction = MENU_ACTION_DOWN;
520 case SDLK_LEFT: /* Menu Up */
521 menuaction = MENU_ACTION_LEFT;
524 case SDLK_RIGHT: /* Menu Down */
525 menuaction = MENU_ACTION_RIGHT;
529 if(current_menu->item[current_menu->active_item].kind == MN_TEXTFIELD)
531 menuaction = MENU_ACTION_INPUT;
536 case SDLK_RETURN: /* Menu Hit */
537 menuaction = MENU_ACTION_HIT;
542 menuaction = MENU_ACTION_REMOVE;
547 if( (key >= SDLK_0 && key <= SDLK_9) || (key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_SPACE && key <= SDLK_SLASH))
549 menuaction = MENU_ACTION_INPUT;
555 mn_input_char = '\0';
561 /* FIXME: NO JOYSTICK SUPPORT */
563 else if (event.type == SDL_JOYBUTTONDOWN)
565 Joystick button: Continue:
573 menu_additem(menu_type* pmenu, MenuItemKind kind, char *text, int init_toggle, void* target_menu)
575 menu_item_type* item = menu_item_create(kind, text, init_toggle, target_menu);
576 menu_additem(pmenu, item);