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;
40 menu_type main_menu, game_menu, options_menu, leveleditor_menu, highscore_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 /* Free a menu and all its items */
75 void menu_free(menu_type* pmenu)
78 if(pmenu->num_items != 0 && pmenu->item != NULL)
80 for(i = 0; i < pmenu->num_items; ++i)
82 free(pmenu->item[i].text);
83 free(pmenu->item[i].input);
89 /* Initialize a menu */
90 void menu_init(menu_type* pmenu)
93 pmenu->active_item = 0;
97 /* Add an item to a menu */
98 void menu_additem(menu_type* pmenu, menu_item_type* pmenu_item)
101 pmenu->item = (menu_item_type*) realloc(pmenu->item, sizeof(menu_item_type) * pmenu->num_items);
102 memcpy(&pmenu->item[pmenu->num_items-1],pmenu_item,sizeof(menu_item_type));
105 /* Process actions done on the menu */
106 void menu_action(menu_type* pmenu)
110 if(pmenu->num_items != 0 && pmenu->item != NULL)
115 if(pmenu->active_item > 0)
116 --pmenu->active_item;
118 pmenu->active_item = pmenu->num_items-1;
121 if(pmenu->active_item < pmenu->num_items-1)
122 ++pmenu->active_item;
124 pmenu->active_item = 0;
127 if(pmenu->item[pmenu->active_item].kind == MN_GOTO && pmenu->item[pmenu->active_item].target_menu != NULL)
128 menu_set_current((menu_type*)pmenu->item[pmenu->active_item].target_menu);
129 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE)
131 pmenu->item[pmenu->active_item].toggled = !pmenu->item[pmenu->active_item].toggled;
134 else if(pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
136 pmenu->item[pmenu->active_item].toggled = YES;
138 else if(pmenu->item[pmenu->active_item].kind == MN_BACK)
140 if(last_menu != NULL)
141 menu_set_current(last_menu);
145 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
147 if(pmenu->item[pmenu->active_item].input != NULL)
149 i = strlen(pmenu->item[pmenu->active_item].input);
151 while(delete_character > 0) /* remove charactes */
153 pmenu->item[pmenu->active_item].input[i-1] = '\0';
160 if(pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD)
162 if(pmenu->item[pmenu->active_item].input != NULL)
164 i = strlen(pmenu->item[pmenu->active_item].input);
165 pmenu->item[pmenu->active_item].input = (char*) realloc(pmenu->item[pmenu->active_item].input,sizeof(char)*(i + 2));
166 pmenu->item[pmenu->active_item].input[i] = mn_input_char;
167 pmenu->item[pmenu->active_item].input[i+1] = '\0';
171 pmenu->item[pmenu->active_item].input = (char*) malloc(2*sizeof(char));
172 pmenu->item[pmenu->active_item].input[0] = mn_input_char;
173 pmenu->item[pmenu->active_item].input[1] = '\0';
182 if(pmenu->item[pmenu->active_item].kind == MN_DEACTIVE)
186 /* Check, if the value of the active menu item has changed. */
187 int menu_check(menu_type* pmenu)
189 if(pmenu->num_items != 0 && pmenu->item != NULL)
191 if((pmenu->item[pmenu->active_item].kind == MN_ACTION || pmenu->item[pmenu->active_item].kind == MN_TEXTFIELD) && pmenu->item[pmenu->active_item].toggled == YES)
193 pmenu->item[pmenu->active_item].toggled = NO;
195 return pmenu->active_item;
197 else if(pmenu->item[pmenu->active_item].kind == MN_TOGGLE)
199 return pmenu->active_item;
208 /* Draw the current menu. */
209 void menu_draw(menu_type* pmenu)
211 int i, y, menu_height, menu_width;
213 /* The width of the menu has to be more than the width of the text with the most characters */
215 for(i = 0; i < pmenu->num_items; ++i)
217 y = strlen(pmenu->item[i].text) + (pmenu->item[i].input ? strlen(pmenu->item[i].input) : 0);
221 if( pmenu->item[i].kind == MN_TOGGLE)
225 menu_width = menu_width * 16 + 48;
226 menu_height = (pmenu->num_items) * 24;
228 /* Draw a transparent background */
229 fillrect(screen->w/2 - menu_width/2,screen->h/2-(((pmenu->num_items)*24)/2),menu_width,menu_height,150,150,150,100);
231 for(i = 0; i < pmenu->num_items; ++i)
233 if(pmenu->item[i].kind == MN_DEACTIVE)
235 text_drawf(&black_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
237 else if(pmenu->item[i].kind == MN_TEXTFIELD)
239 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);
240 if(i == pmenu->active_item)
242 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);
246 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);
249 else if(i == pmenu->active_item)
251 text_drawf(&blue_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10 ,A_HMIDDLE, A_VMIDDLE,3,NO_UPDATE);
255 text_drawf(&white_text,pmenu->item[i].text,0,(i)*24 - menu_height/2 + 10,A_HMIDDLE, A_VMIDDLE,2,NO_UPDATE);
257 if(pmenu->item[i].kind == MN_TOGGLE)
260 if(pmenu->item[i].toggled == YES)
261 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);
263 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);
268 /* Reset/Set global defaults */
269 void menu_reset(void)
277 delete_character = 0;
278 mn_input_char = '\0';
282 /* Draw the current menu and execute the (menu)events */
283 void menu_process_current(void)
287 if(current_menu != NULL)
289 menu_action(current_menu);
290 menu_draw(current_menu);
296 /* Check for menu event */
297 void menu_event(SDL_keysym* keysym)
299 SDLKey key = keysym->sym;
301 keymod = SDL_GetModState();
304 /* If the current unicode character is an ASCII character,
306 if ( (keysym->unicode & 0xFF80) == 0 )
308 ch[0] = keysym->unicode & 0x7F;
313 /* An International Character. */
318 case SDLK_UP: /* Menu Up */
322 case SDLK_DOWN: /* Menu Down */
323 menuaction = MN_DOWN;
326 case SDLK_SPACE: /* Menu Hit */
333 menuaction = MN_REMOVE;
338 if( key >= SDLK_0 && key <= SDLK_9)
340 menuaction = MN_INPUT;
344 else if( key >= SDLK_a && key <= SDLK_z )
346 menuaction = MN_INPUT;
352 mn_input_char = '\0';
358 /* FIXME: NO JOYSTICK SUPPORT */
360 else if (event.type == SDL_JOYBUTTONDOWN)
362 Joystick button: Continue: