jp9000/obs-studio
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add ability to move source up/down/etc

Browse Source
This commit is contained in:
jp9000
2014-05-15 17:40:53 -07:00
parent b002580836
commit 999d8ee916
5 changed files with 138 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
libobs/obs-scene.c
View File

@@ -22,6 +22,10 @@
static const char *obs_scene_signals[] = {
"void item_add(ptr scene, ptr item)",
"void item_remove(ptr scene, ptr item)",
"void item_move_up(ptr scene, ptr item)",
"void item_move_down(ptr scene, ptr item)",
"void item_move_top(ptr scene, ptr item)",
"void item_move_bottom(ptr scene, ptr item)",
NULL
};
@@ -134,10 +138,11 @@ static inline void detach_sceneitem(struct obs_scene_item *item)
item->parent = NULL;
}
static inline void attach_sceneitem(struct obs_scene_item *item,
struct obs_scene_item *prev)
static inline void attach_sceneitem(struct obs_scene *parent,
struct obs_scene_item *item, struct obs_scene_item *prev)
{
item->prev = prev;
item->prev = prev;
item->parent = parent;
if (prev) {
item->next = prev->next;
@@ -145,8 +150,6 @@ static inline void attach_sceneitem(struct obs_scene_item *item,
prev->next->prev = item;
prev->next = item;
} else {
assert(item->parent != NULL);
item->next = item->parent->first_item;
item->parent->first_item = item;
}
@@ -516,38 +519,66 @@ void obs_sceneitem_setscale(obs_sceneitem_t item, const struct vec2 *scale)
vec2_copy(&item->scale, scale);
}
static inline void signal_move_dir(struct obs_scene_item *item,
enum order_movement movement)
{
const char *command;
struct calldata params = {0};
switch (movement) {
case ORDER_MOVE_UP: command = "item_move_up"; break;
case ORDER_MOVE_DOWN: command = "item_move_down"; break;
case ORDER_MOVE_TOP: command = "item_move_top"; break;
case ORDER_MOVE_BOTTOM: command = "item_move_bottom"; break;
}
calldata_setptr(&params, "scene", item->parent);
calldata_setptr(&params, "item", item);
signal_handler_signal(item->parent->source->context.signals,
command, &params);
calldata_free(&params);
}
void obs_sceneitem_setorder(obs_sceneitem_t item, enum order_movement movement)
{
if (!item) return;
struct obs_scene_item *next, *prev;
struct obs_scene *scene = item->parent;
obs_scene_addref(scene);
pthread_mutex_lock(&scene->mutex);
next = item->next;
prev = item->prev;
detach_sceneitem(item);
if (movement == ORDER_MOVE_UP) {
attach_sceneitem(item, item->prev);
if (movement == ORDER_MOVE_DOWN) {
attach_sceneitem(scene, item, prev ? prev->prev : NULL);
} else if (movement == ORDER_MOVE_DOWN) {
attach_sceneitem(item, item->next);
} else if (movement == ORDER_MOVE_UP) {
attach_sceneitem(scene, item, next ? next : prev);
} else if (movement == ORDER_MOVE_TOP) {
struct obs_scene_item *last = item->next;
struct obs_scene_item *last = next;
if (!last) {
last = item->prev;
last = prev;
} else {
while (last->next)
last = last->next;
}
attach_sceneitem(item, last);
attach_sceneitem(scene, item, last);
} else if (movement == ORDER_MOVE_BOTTOM) {
attach_sceneitem(item, NULL);
attach_sceneitem(scene, item, NULL);
}
signal_move_dir(item, movement);
pthread_mutex_unlock(&scene->mutex);
obs_scene_release(scene);
}