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->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)
139 menu_item_type& item = pmenu->item[pmenu->active_item];
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;
151 case MENU_ACTION_DOWN:
152 if(pmenu->active_item < pmenu->num_items-1)
153 ++pmenu->active_item;
155 pmenu->active_item = 0;
157 case MENU_ACTION_LEFT:
158 if(item.kind == MN_STRINGSELECT
159 && item.list->num_items != 0)
161 if(item.list->active_item > 0)
162 --item.list->active_item;
164 item.list->active_item = item.list->num_items-1;
167 case MENU_ACTION_RIGHT:
168 if(item.kind == MN_STRINGSELECT
169 && item.list->num_items != 0)
171 if(item.list->active_item < item.list->num_items-1)
172 ++item.list->active_item;
174 item.list->active_item = 0;
177 case MENU_ACTION_HIT:
178 if(item.kind == MN_GOTO
179 && item.target_menu != NULL)
180 menu_set_current((menu_type*)item.target_menu);
182 else if(item.kind == MN_TOGGLE)
184 item.toggled = !item.toggled;
187 else if(item.kind == MN_ACTION || item.kind == MN_TEXTFIELD || item.kind == MN_NUMFIELD)
191 else if(item.kind == MN_BACK)
193 if(last_menu != NULL)
194 menu_set_current(last_menu);
197 case MENU_ACTION_REMOVE:
198 if(item.kind == MN_TEXTFIELD
199 || item.kind == MN_NUMFIELD)
201 if(item.input != NULL)
203 int i = strlen(item.input);
205 while(delete_character > 0) /* remove charactes */
207 item.input[i-1] = '\0';
213 case MENU_ACTION_INPUT:
214 if(item.kind == MN_TEXTFIELD
215 || (item.kind == MN_NUMFIELD && mn_input_char >= '0' && mn_input_char <= '9'))
217 if(item.input != NULL)
219 int i = strlen(item.input);
220 item.input = (char*) realloc(item.input,sizeof(char)*(i + 2));
221 item.input[i] = mn_input_char;
222 item.input[i+1] = '\0';
226 item.input = (char*) malloc(2*sizeof(char));
227 item.input[0] = mn_input_char;
228 item.input[1] = '\0';
232 case MENU_ACTION_NONE:
237 if(item.kind == MN_DEACTIVE || item.kind == MN_LABEL || item.kind == MN_HL)
239 if(menuaction != MENU_ACTION_UP && menuaction != MENU_ACTION_DOWN)
240 menuaction = MENU_ACTION_DOWN;
242 if(pmenu->num_items > 1)
248 /* Check, if the value of the active menu item has changed. */
249 int menu_check(menu_type* pmenu)
251 menu_item_type& item = pmenu->item[pmenu->active_item];
253 if(pmenu->num_items != 0 && pmenu->item != NULL)
255 if((item.kind == MN_ACTION || item.kind == MN_TEXTFIELD || item.kind == MN_NUMFIELD) && item.toggled == YES)
259 return pmenu->active_item;
261 else if(item.kind == MN_TOGGLE || item.kind == MN_GOTO)
263 return pmenu->active_item;
272 void menu_draw_item(menu_type* pmenu,
273 int index, // Position of the current item in the menu
279 const menu_item_type& pitem = pmenu->item[index];
281 int effect_offset = 0;
284 if(timer_check(&pmenu->effect))
285 effect_time = timer_get_left(&pmenu->effect) / 4;
287 effect_offset = (index % 2) ? effect_time : -effect_time;
290 int x_pos = screen->w/2;
291 int y_pos = screen->h/2 + 24*index - menu_height/2 + 12 + effect_offset;
293 int text_width = strlen(pitem.text) * font_width;
294 int input_width = strlen(pitem.input) * font_width;
295 int list_width = strlen(string_list_active(pitem.list)) * font_width;
296 text_type* text_font = &white_text;
298 if(pmenu->arrange_left == YES)
299 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
301 if(index == pmenu->active_item)
304 text_font = &blue_text;
311 text_draw_align(&black_text, pitem.text,
313 A_HMIDDLE, A_VMIDDLE, 2);
319 int x = screen->w/2 - menu_width/2;
320 int y = y_pos - 12 - effect_offset;
321 /* Draw a horizontal line with a little 3d effect */
325 fillrect(x, y + 10 + 6,
332 text_draw_align(&white_big_text, pitem.text,
334 A_HMIDDLE, A_VMIDDLE, 2);
340 int input_pos = input_width/2;
341 int text_pos = (text_width + font_width)/2;
343 fillrect(x_pos - input_pos + text_pos - 1, y_pos - 10,
344 input_width + font_width + 2, 20,
346 fillrect(x_pos - input_pos + text_pos, y_pos - 9,
347 input_width + font_width, 18,
350 text_draw_align(&gold_text, pitem.input,
351 x_pos + text_pos, y_pos,
352 A_HMIDDLE, A_VMIDDLE, 2);
354 text_draw_align(text_font, pitem.text,
355 x_pos - (input_width + font_width)/2, y_pos,
356 A_HMIDDLE, A_VMIDDLE, shadow_size);
359 case MN_STRINGSELECT:
361 int list_pos_2 = list_width + font_width;
362 int list_pos = list_width/2;
363 int text_pos = (text_width + font_width)/2;
366 texture_draw(&arrow_left, x_pos - list_pos + text_pos - 17, y_pos - 8);
367 texture_draw(&arrow_right, x_pos - list_pos + text_pos - 1 + list_pos_2, y_pos - 8);
369 /* Draw input background */
370 fillrect(x_pos - list_pos + text_pos - 1, y_pos - 10,
373 fillrect(x_pos - list_pos + text_pos, y_pos - 9,
377 text_draw_align(&gold_text, string_list_active(pitem.list),
378 x_pos + text_pos, y_pos,
379 A_HMIDDLE, A_VMIDDLE,2);
381 text_draw_align(text_font, pitem.text,
382 x_pos - list_pos_2/2, y_pos,
383 A_HMIDDLE, A_VMIDDLE, shadow_size);
388 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
389 texture_draw(&back, x_pos + text_width/2 + font_width, y_pos - 8);
395 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
397 if(pitem.toggled == YES)
398 texture_draw(&checkbox_checked,
399 x_pos + (text_width+font_width)/2,
402 texture_draw(&checkbox,
403 x_pos + (text_width+font_width)/2,
408 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
412 text_draw_align(text_font, pitem.text, x_pos, y_pos, A_HMIDDLE, A_VMIDDLE, shadow_size);
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)
455 menuaction = MENU_ACTION_NONE;
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);
475 menuaction = MENU_ACTION_NONE;
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 */
501 menuaction = MENU_ACTION_UP;
504 case SDLK_DOWN: /* Menu Down */
505 menuaction = MENU_ACTION_DOWN;
508 case SDLK_LEFT: /* Menu Up */
509 menuaction = MENU_ACTION_LEFT;
512 case SDLK_RIGHT: /* Menu Down */
513 menuaction = MENU_ACTION_RIGHT;
517 if(current_menu->item[current_menu->active_item].kind == MN_TEXTFIELD)
519 menuaction = MENU_ACTION_INPUT;
524 case SDLK_RETURN: /* Menu Hit */
525 menuaction = MENU_ACTION_HIT;
530 menuaction = MENU_ACTION_REMOVE;
535 if( (key >= SDLK_0 && key <= SDLK_9) || (key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_SPACE && key <= SDLK_SLASH))
537 menuaction = MENU_ACTION_INPUT;
543 mn_input_char = '\0';
549 /* FIXME: NO JOYSTICK SUPPORT */
551 else if (event.type == SDL_JOYBUTTONDOWN)
553 Joystick button: Continue:
561 menu_additem(menu_type* pmenu, MenuItemKind kind, char *text, int init_toggle, void* target_menu)
563 menu_item_type* item = menu_item_create(kind, text, init_toggle, target_menu);
564 menu_additem(pmenu, item);