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, leveleditor_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;
58 /* Return a pointer to a new menu item */
59 menu_item_type* menu_item_create(int 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 = NULL;
74 void menu_item_change_text(menu_item_type* pmenu_item, char *text)
78 free(pmenu_item->text);
79 pmenu_item->text = (char*) malloc(sizeof(char )*(strlen(text)+1));
80 strcpy(pmenu_item->text,text);
84 /* Free a menu and all its items */
85 void menu_free(menu_type* pmenu)
88 if(pmenu->num_items != 0 && pmenu->item != NULL)
90 for(i = 0; i < pmenu->num_items; ++i)
92 free(pmenu->item[i].text);
93 free(pmenu->item[i].input);
99 /* Initialize a menu */
100 void menu_init(menu_type* pmenu)
102 pmenu->num_items = 0;
103 pmenu->active_item = 0;
107 /* Add an item to a menu */
108 void menu_additem(menu_type* pmenu, menu_item_type* pmenu_item)
111 pmenu->item = (menu_item_type*) realloc(pmenu->item, sizeof(menu_item_type) * pmenu->num_items);
112 memcpy(&pmenu->item[pmenu->num_items-1],pmenu_item,sizeof(menu_item_type));
116 /* Process actions done on the menu */
117 void menu_action(menu_type* pmenu)
121 if(pmenu->num_items != 0 && pmenu->item != NULL)
126 if(pmenu->active_item > 0)
127 --pmenu->active_item;
129 pmenu->active_item = pmenu->num_items-1;
132 if(pmenu->active_item < pmenu->num_items-1)
133 ++pmenu->active_item;
135 pmenu->active_item = 0;
138 if(pmenu->item[pmenu->active_item].kind == MN_GOTO && pmenu->item[pmenu->active_item].target_menu != NULL)
139 menu_set_current((menu_type*)pmenu->item[pmenu->active_item].target_menu);
140 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE)
142 pmenu->item[pmenu->active_item].toggled = !pmenu->item[pmenu->active_item].toggled;
145 else if(pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
147 pmenu->item[pmenu->active_item].toggled = YES;
149 else if(pmenu->item[pmenu->active_item].kind == MN_BACK)
151 if(last_menu != NULL)
152 menu_set_current(last_menu);
156 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
158 if(pmenu->item[pmenu->active_item].input != NULL)
160 i = strlen(pmenu->item[pmenu->active_item].input);
162 while(delete_character > 0) /* remove charactes */
164 pmenu->item[pmenu->active_item].input[i-1] = '\0';
171 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
173 if(pmenu->item[pmenu->active_item].input != NULL)
175 i = strlen(pmenu->item[pmenu->active_item].input);
176 pmenu->item[pmenu->active_item].input = (char*) realloc(pmenu->item[pmenu->active_item].input,sizeof(char)*(i + 2));
177 pmenu->item[pmenu->active_item].input[i] = mn_input_char;
178 pmenu->item[pmenu->active_item].input[i+1] = '\0';
182 pmenu->item[pmenu->active_item].input = (char*) malloc(2*sizeof(char));
183 pmenu->item[pmenu->active_item].input[0] = mn_input_char;
184 pmenu->item[pmenu->active_item].input[1] = '\0';
191 if(pmenu->item[pmenu->active_item].kind == MN_DEACTIVE || pmenu->item[pmenu->active_item].kind == MN_LABEL)
193 if(menuaction != MN_UP && menuaction != MN_DOWN)
194 menuaction = MN_DOWN;
196 if(pmenu->num_items > 1)
202 /* Check, if the value of the active menu item has changed. */
203 int menu_check(menu_type* pmenu)
205 if(pmenu->num_items != 0 && pmenu->item != NULL)
207 if((pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD) && pmenu->item[pmenu->active_item].toggled == YES)
209 pmenu->item[pmenu->active_item].toggled = NO;
211 return pmenu->active_item;
213 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE || pmenu->item[pmenu->active_item].kind == MN_GOTO)
215 return pmenu->active_item;
224 /* Draw the current menu. */
225 void menu_draw(menu_type* pmenu)
227 int i, y, menu_height, menu_width;
229 /* The width of the menu has to be more than the width of the text with the most characters */
231 for(i = 0; i < pmenu->num_items; ++i)
233 y = strlen(pmenu->item[i].text) + (pmenu->item[i].input ? strlen(pmenu->item[i].input) : 0);
237 if( pmenu->item[i].kind == MN_TOGGLE)
241 menu_width = menu_width * 16 + 48;
242 menu_height = (pmenu->num_items) * 24;
244 /* Draw a transparent background */
245 fillrect(screen->w/2 - menu_width/2,screen->h/2-(((pmenu->num_items)*24)/2),menu_width,menu_height,150,150,150,100);
247 for(i = 0; i < pmenu->num_items; ++i)
249 if(pmenu->item[i].kind == MN_DEACTIVE)
251 text_drawf(&black_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
253 else if(pmenu->item[i].kind == MN_LABEL)
255 text_drawf(&gold_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
256 fillrect(screen->w/2 - menu_width/2,(i)*24 - menu_height/2 + 20 + screen->h /2,menu_width,2,190,190,190,100);
258 else if(pmenu->item[i].kind == MN_TEXTFIELD)
260 text_drawf(&gold_text,pmenu->item[i].input,(strlen(pmenu->item[i].text) * 16)/2,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
261 if(i == pmenu->active_item)
263 text_drawf(&blue_text,pmenu->item[i].text,-((strlen(pmenu->item[i].input) * 16)/2),(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,3,NO_UPDATE);
267 text_drawf(&white_text,pmenu->item[i].text,-((strlen(pmenu->item[i].input) * 16)/2),(i)*24 - menu_height/2 +10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
270 else if(i == pmenu->active_item)
272 text_drawf(&blue_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10 ,A_HMIDDLE, A_VMIDDLE,3,NO_UPDATE);
276 text_drawf(&white_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
278 if(pmenu->item[i].kind == MN_TOGGLE)
281 if(pmenu->item[i].toggled == YES)
282 texture_draw(&checkbox_checked,screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 -8,NO_UPDATE);
284 texture_draw(&checkbox,screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 - 8,NO_UPDATE);
286 else if(pmenu->item[i].kind == MN_BACK)
288 texture_draw(&back,screen->w / 2 + (strlen(pmenu->item[i].text) * 16)/2 + 16,(i)*24 - menu_height/2 + 10 + screen->h / 2 -8,NO_UPDATE);
293 /* Reset/Set global defaults */
294 void menu_reset(void)
302 delete_character = 0;
303 mn_input_char = '\0';
307 /* Draw the current menu and execute the (menu)events */
308 void menu_process_current(void)
312 if(current_menu != NULL)
314 menu_action(current_menu);
315 menu_draw(current_menu);
321 /* Check for menu event */
322 void menu_event(SDL_keysym* keysym)
324 SDLKey key = keysym->sym;
326 keymod = SDL_GetModState();
329 /* If the current unicode character is an ASCII character,
331 if ( (keysym->unicode & 0xFF80) == 0 )
333 ch[0] = keysym->unicode & 0x7F;
338 /* An International Character. */
343 case SDLK_UP: /* Menu Up */
347 case SDLK_DOWN: /* Menu Down */
348 menuaction = MN_DOWN;
351 case SDLK_SPACE: /* Menu Hit */
358 menuaction = MN_REMOVE;
363 if( key >= SDLK_0 && key <= SDLK_9)
365 menuaction = MN_INPUT;
369 else if( key >= SDLK_a && key <= SDLK_z )
371 menuaction = MN_INPUT;
377 mn_input_char = '\0';
383 /* FIXME: NO JOYSTICK SUPPORT */
385 else if (event.type == SDL_JOYBUTTONDOWN)
387 Joystick button: Continue: