8 http://www.newbreedsoftware.com/supertux/
10 December 20, 2003 - December 30, 2003
15 #include <sys/types.h>
30 #include "leveleditor.h"
32 #include "high_scores.h"
34 /* (global) menu variables */
38 texture_type checkbox, checkbox_checked, back;
40 menu_type main_menu, game_menu, options_menu, highscore_menu, load_game_menu, save_game_menu;
41 menu_type* current_menu, * last_menu;
43 /* input implementation variables */
47 /* Set the current menu */
48 void menu_set_current(menu_type* pmenu)
50 if(pmenu != current_menu)
53 last_menu = current_menu;
55 timer_start(&pmenu->effect, 500);
59 /* Return a pointer to a new menu item */
60 menu_item_type* menu_item_create(int kind, char *text, int init_toggle, void* target_menu)
62 menu_item_type *pnew_item = (menu_item_type*) malloc(sizeof(menu_item_type));
63 pnew_item->kind = kind;
64 pnew_item->text = (char*) malloc(sizeof(char) * (strlen(text) + 1));
65 strcpy(pnew_item->text,text);
67 pnew_item->toggled = init_toggle;
69 pnew_item->toggled = NO;
70 pnew_item->target_menu = target_menu;
71 pnew_item->input = (char*) malloc(sizeof(char));
72 pnew_item->input[0] = '\0';
76 void menu_item_change_text(menu_item_type* pmenu_item, char *text)
80 free(pmenu_item->text);
81 pmenu_item->text = (char*) malloc(sizeof(char )*(strlen(text)+1));
82 strcpy(pmenu_item->text,text);
85 void menu_item_change_input(menu_item_type* pmenu_item, char *text)
89 free(pmenu_item->input);
90 pmenu_item->input = (char*) malloc(sizeof(char )*(strlen(text)+1));
91 strcpy(pmenu_item->input,text);
95 /* Free a menu and all its items */
96 void menu_free(menu_type* pmenu)
99 if(pmenu->num_items != 0 && pmenu->item != NULL)
101 for(i = 0; i < pmenu->num_items; ++i)
103 free(pmenu->item[i].text);
104 free(pmenu->item[i].input);
110 /* Initialize a menu */
111 void menu_init(menu_type* pmenu)
113 pmenu->arrange_left = 0;
114 pmenu->num_items = 0;
115 pmenu->active_item = 0;
117 timer_init(&pmenu->effect,NO);
120 /* Add an item to a menu */
121 void menu_additem(menu_type* pmenu, menu_item_type* pmenu_item)
124 pmenu->item = (menu_item_type*) realloc(pmenu->item, sizeof(menu_item_type) * pmenu->num_items);
125 memcpy(&pmenu->item[pmenu->num_items-1],pmenu_item,sizeof(menu_item_type));
129 /* Process actions done on the menu */
130 void menu_action(menu_type* pmenu)
134 if(pmenu->num_items != 0 && pmenu->item != NULL)
139 if(pmenu->active_item > 0)
140 --pmenu->active_item;
142 pmenu->active_item = pmenu->num_items-1;
145 if(pmenu->active_item < pmenu->num_items-1)
146 ++pmenu->active_item;
148 pmenu->active_item = 0;
151 if(pmenu->item[pmenu->active_item].kind == MN_GOTO && pmenu->item[pmenu->active_item].target_menu != NULL)
152 menu_set_current((menu_type*)pmenu->item[pmenu->active_item].target_menu);
153 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE)
155 pmenu->item[pmenu->active_item].toggled = !pmenu->item[pmenu->active_item].toggled;
158 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)
160 pmenu->item[pmenu->active_item].toggled = YES;
162 else if(pmenu->item[pmenu->active_item].kind == MN_BACK)
164 if(last_menu != NULL)
165 menu_set_current(last_menu);
169 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD || pmenu->item[pmenu->active_item].kind == MN_NUMFIELD)
171 if(pmenu->item[pmenu->active_item].input != NULL)
173 i = strlen(pmenu->item[pmenu->active_item].input);
175 while(delete_character > 0) /* remove charactes */
177 pmenu->item[pmenu->active_item].input[i-1] = '\0';
184 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'))
186 if(pmenu->item[pmenu->active_item].input != NULL)
188 i = strlen(pmenu->item[pmenu->active_item].input);
189 pmenu->item[pmenu->active_item].input = (char*) realloc(pmenu->item[pmenu->active_item].input,sizeof(char)*(i + 2));
190 pmenu->item[pmenu->active_item].input[i] = mn_input_char;
191 pmenu->item[pmenu->active_item].input[i+1] = '\0';
195 pmenu->item[pmenu->active_item].input = (char*) malloc(2*sizeof(char));
196 pmenu->item[pmenu->active_item].input[0] = mn_input_char;
197 pmenu->item[pmenu->active_item].input[1] = '\0';
204 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)
206 if(menuaction != MN_UP && menuaction != MN_DOWN)
207 menuaction = MN_DOWN;
209 if(pmenu->num_items > 1)
215 /* Check, if the value of the active menu item has changed. */
216 int menu_check(menu_type* pmenu)
218 if(pmenu->num_items != 0 && pmenu->item != NULL)
220 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)
222 pmenu->item[pmenu->active_item].toggled = NO;
224 return pmenu->active_item;
226 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE || pmenu->item[pmenu->active_item].kind == MN_GOTO)
228 return pmenu->active_item;
237 /* Draw the current menu. */
238 void menu_draw(menu_type* pmenu)
240 int i, y, a, b, e, f, menu_height, menu_width;
242 /* The width of the menu has to be more than the width of the text with the most characters */
244 for(i = 0; i < pmenu->num_items; ++i)
246 y = strlen(pmenu->item[i].text) + (pmenu->item[i].input ? strlen(pmenu->item[i].input) + 1 : 0);
250 if( pmenu->item[i].kind == MN_TOGGLE)
254 if(pmenu->arrange_left == YES)
259 menu_width = menu_width * 16 + 48;
260 menu_height = (pmenu->num_items) * 24;
262 /* Draw a transparent background */
263 fillrect(screen->w/2 - menu_width/2,screen->h/2-(((pmenu->num_items)*24)/2),menu_width,menu_height,150,150,150,100);
265 if(timer_check(&pmenu->effect))
267 e = timer_get_left(&pmenu->effect) / 4;
274 for(i = 0; i < pmenu->num_items; ++i)
276 if(pmenu->arrange_left == YES)
277 b = (a - ((strlen(pmenu->item[i].text)+strlen(pmenu->item[i].input)) * 16)) / 2;
291 if(pmenu->item[i].kind == MN_DEACTIVE)
293 text_drawf(&black_text,pmenu->item[i].text, - b,(i)*24 - menu_height/2 + 10 + f,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
295 else if(pmenu->item[i].kind == MN_HL)
297 /* Draw a horizontal line with a little 3d effect */
298 fillrect(screen->w/2 - menu_width/2,(i)*24 - menu_height/2 + 6 + screen->h /2,menu_width,4,210,50,50,225);
299 fillrect(screen->w/2 - menu_width/2,(i)*24 - menu_height/2 + 10 + screen->h /2,menu_width,2,0,0,0,255);
301 else if(pmenu->item[i].kind == MN_LABEL)
303 text_drawf(&gold_text,pmenu->item[i].text, - b,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
305 else if(pmenu->item[i].kind == MN_TEXTFIELD || pmenu->item[i].kind == MN_NUMFIELD)
307 text_drawf(&gold_text,pmenu->item[i].input, - b + ((strlen(pmenu->item[i].text)+1) * 16)/2,(i)*24 - menu_height/2 + 10 + f,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
308 if(i == pmenu->active_item)
310 text_drawf(&blue_text,pmenu->item[i].text, - b -(((strlen(pmenu->item[i].input)+1) * 16)/2),(i)*24 - menu_height/2 + 10 + f,A_HMIDDLE, A_VMIDDLE,3,NO_UPDATE);
314 text_drawf(&white_text,pmenu->item[i].text, - b -(((strlen(pmenu->item[i].input)+1) * 16)/2),(i)*24 - menu_height/2 +10 + f,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
317 else if(i == pmenu->active_item)
319 text_drawf(&blue_text,pmenu->item[i].text, - b,(i)*24 - menu_height/2 + 10 + f ,A_HMIDDLE, A_VMIDDLE,3,NO_UPDATE);
323 text_drawf(&white_text,pmenu->item[i].text, - b,(i)*24 - menu_height/2 + 10 + f ,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
325 if(pmenu->item[i].kind == MN_TOGGLE)
328 if(pmenu->item[i].toggled == YES)
329 texture_draw(&checkbox_checked, - b + screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 -8 + f,NO_UPDATE);
331 texture_draw(&checkbox, - b + screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 - 8 + f,NO_UPDATE);
333 else if(pmenu->item[i].kind == MN_BACK)
335 texture_draw(&back, - b + screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 -8 + f,NO_UPDATE);
340 /* Reset/Set global defaults */
341 void menu_reset(void)
349 delete_character = 0;
350 mn_input_char = '\0';
354 /* Draw the current menu and execute the (menu)events */
355 void menu_process_current(void)
359 if(current_menu != NULL)
361 menu_action(current_menu);
362 menu_draw(current_menu);
368 /* Check for menu event */
369 void menu_event(SDL_keysym* keysym)
371 SDLKey key = keysym->sym;
373 keymod = SDL_GetModState();
376 /* If the current unicode character is an ASCII character,
378 if ( (keysym->unicode & 0xFF80) == 0 )
380 ch[0] = keysym->unicode & 0x7F;
385 /* An International Character. */
390 case SDLK_UP: /* Menu Up */
394 case SDLK_DOWN: /* Menu Down */
395 menuaction = MN_DOWN;
398 case SDLK_RETURN: /* Menu Hit */
404 menuaction = MN_REMOVE;
409 if( (key >= SDLK_0 && key <= SDLK_9) || (key >= SDLK_a && key <= SDLK_z) || (key >= SDLK_SPACE && key <= SDLK_SLASH))
411 menuaction = MN_INPUT;
417 mn_input_char = '\0';
423 /* FIXME: NO JOYSTICK SUPPORT */
425 else if (event.type == SDL_JOYBUTTONDOWN)
427 Joystick button: Continue: