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comparison examples/drag/main.c @ 214:09ad4382aa41

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Modify the drag example to use the sprite API.
author wycc
date Fri, 12 Dec 2008 09:11:47 +0800
parents 55533146efdf
children 1eb9ee5ae4f2
comparison
equal deleted inserted replaced
212:5f144bab5de1 214:09ad4382aa41
14 redraw_man_t *rdman; 14 redraw_man_t *rdman;
15 menu_t *menu; 15 menu_t *menu;
16 int state; 16 int state;
17 co_aix orx,ory; 17 co_aix orx,ory;
18 int start_x,start_y; 18 int start_x,start_y;
19 coord_t *cursor;
19 }; 20 };
20 engine_t *engine_init() 21 engine_t *engine_init()
21 { 22 {
22 23
23 X_MB_runtime_t *rt; 24 X_MB_runtime_t *rt;
58 engine_t *en = (engine_t *) arg; 59 engine_t *en = (engine_t *) arg;
59 mouse_event_t *mev = (mouse_event_t *) evt; 60 mouse_event_t *mev = (mouse_event_t *) evt;
60 61
61 en->start_x = mev->x; 62 en->start_x = mev->x;
62 en->start_y = mev->y; 63 en->start_y = mev->y;
63 en->orx = en->menu->cursor->matrix[2]; 64 en->orx = en->cursor->matrix[2];
64 en->ory = en->menu->cursor->matrix[5]; 65 en->ory = en->cursor->matrix[5];
65 printf("pressed %g %g\n",en->orx,en->ory); 66 printf("pressed %g %g\n",en->orx,en->ory);
66 en->state = 1; 67 en->state = 1;
67 } 68 }
68 69
69 static void cursor_release_handler(event_t *evt, void *arg) { 70 static void cursor_release_handler(event_t *evt, void *arg) {
76 engine_t *en = (engine_t *) arg; 77 engine_t *en = (engine_t *) arg;
77 mouse_event_t *mev = (mouse_event_t *) evt; 78 mouse_event_t *mev = (mouse_event_t *) evt;
78 79
79 if (en->state) { 80 if (en->state) {
80 printf("move to (%d %d)\n", mev->x,mev->y); 81 printf("move to (%d %d)\n", mev->x,mev->y);
81 coord_move(en->menu->cursor,en->orx + (mev->x-en->start_x),en->ory + (mev->y-en->start_y)); 82 coord_move(en->cursor,en->orx + (mev->x-en->start_x),en->ory + (mev->y-en->start_y));
82 rdman_coord_changed(en->rdman, en->menu->cursor); 83 rdman_coord_changed(en->rdman, en->cursor);
83 /* Update changed part to UI. */ 84 /* Update changed part to UI. */
84 rdman_redraw_changed(en->rdman); 85 rdman_redraw_changed(en->rdman);
85 } 86 }
86 } 87 }
87 88
89 subject_t *subject; 90 subject_t *subject;
90 engine_t *en; 91 engine_t *en;
91 92
92 en = engine_init(); 93 en = engine_init();
93 en->menu = menu_new(en->rdman, en->rdman->root_coord); 94 en->menu = menu_new(en->rdman, en->rdman->root_coord);
95 en->cursor = (coord_t *) MB_SPRITE_GET_OBJ(&en->menu->lsym.sprite, "star");
96 printf("en->cursor=%x star=%x\n",en->cursor,en->menu->star);
97 printf("sprite=%x\n",&en->menu->lsym.sprite);
98 printf("en->menu=%x\n",en->menu);
94 99
95 /* 100 /*
96 * Register observers to subjects of events for objects. 101 * Register observers to subjects of events for objects.
97 */ 102 */
98 subject = coord_get_mouse_event(en->menu->cursor); 103 subject = coord_get_mouse_event(en->cursor);
99 subject_add_event_observer(subject, EVT_MOUSE_BUT_PRESS, cursor_press_handler, en); 104 subject_add_event_observer(subject, EVT_MOUSE_BUT_PRESS, cursor_press_handler, en);
100 subject_add_event_observer(subject, EVT_MOUSE_BUT_RELEASE, cursor_release_handler, en); 105 subject_add_event_observer(subject, EVT_MOUSE_BUT_RELEASE, cursor_release_handler, en);
101 subject_add_event_observer(subject, EVT_MOUSE_MOVE, cursor_move_handler, en); 106 subject_add_event_observer(subject, EVT_MOUSE_MOVE, cursor_move_handler, en);
102 107
103 108