diff options
Diffstat (limited to 'source/blender/windowmanager/intern/wm_dragdrop.c')
-rw-r--r-- | source/blender/windowmanager/intern/wm_dragdrop.c | 95 |
1 files changed, 71 insertions, 24 deletions
diff --git a/source/blender/windowmanager/intern/wm_dragdrop.c b/source/blender/windowmanager/intern/wm_dragdrop.c index 6b9a7fb5430..0c77ad89292 100644 --- a/source/blender/windowmanager/intern/wm_dragdrop.c +++ b/source/blender/windowmanager/intern/wm_dragdrop.c @@ -45,6 +45,7 @@ #include "BIF_glutil.h" #include "BKE_context.h" +#include "BKE_idcode.h" #include "GPU_shader.h" @@ -155,10 +156,17 @@ wmDrag *WM_event_start_drag(struct bContext *C, int icon, int type, void *poin, drag->flags = flags; drag->icon = icon; drag->type = type; - if (type == WM_DRAG_PATH) + if (type == WM_DRAG_PATH) { BLI_strncpy(drag->path, poin, FILE_MAX); - else + } + else if (type == WM_DRAG_ID) { + if (poin) { + WM_drag_add_ID(drag, poin, NULL); + } + } + else { drag->poin = poin; + } drag->value = value; return drag; @@ -178,6 +186,7 @@ void WM_drag_free(wmDrag *drag) MEM_freeN(drag->poin); } + BLI_freelistN(&drag->ids); MEM_freeN(drag); } @@ -190,26 +199,6 @@ void WM_drag_free_list(struct ListBase *lb) } -ID *WM_drag_ID(const wmDrag *drag, short idcode) -{ - if (drag->type != WM_DRAG_ID) { - return NULL; - } - - ID *id = drag->poin; - return (idcode == 0 || GS(id->name) == idcode) ? id : NULL; -} - -ID *WM_drag_ID_from_event(const wmEvent *event, short idcode) -{ - if (event->custom != EVT_DATA_DRAGDROP) { - return NULL; - } - - ListBase *lb = event->customdata; - return WM_drag_ID(lb->first, idcode); -} - static const char *dropbox_active(bContext *C, ListBase *handlers, wmDrag *drag, const wmEvent *event) { wmEventHandler *handler = handlers->first; @@ -290,6 +279,57 @@ void wm_drags_check_ops(bContext *C, const wmEvent *event) } } +/* ************** IDs ***************** */ + +void WM_drag_add_ID(wmDrag *drag, ID *id, ID *from_parent) +{ + /* Don't drag the same ID twice. */ + for (wmDragID *drag_id = drag->ids.first; drag_id; drag_id = drag_id->next) { + if (drag_id->id == id) { + if (drag_id->from_parent == NULL) { + drag_id->from_parent = from_parent; + } + return; + } + else if (GS(drag_id->id->name) != GS(id->name)) { + BLI_assert(!"All dragged IDs must have the same type"); + return; + } + } + + /* Add to list. */ + wmDragID *drag_id = MEM_callocN(sizeof(wmDragID), __func__); + drag_id->id = id; + drag_id->from_parent = from_parent; + BLI_addtail(&drag->ids, drag_id); +} + +ID *WM_drag_ID(const wmDrag *drag, short idcode) +{ + if (drag->type != WM_DRAG_ID) { + return NULL; + } + + wmDragID *drag_id = drag->ids.first; + if (!drag_id) { + return NULL; + } + + ID *id = drag_id->id; + return (idcode == 0 || GS(id->name) == idcode) ? id : NULL; + +} + +ID *WM_drag_ID_from_event(const wmEvent *event, short idcode) +{ + if (event->custom != EVT_DATA_DRAGDROP) { + return NULL; + } + + ListBase *lb = event->customdata; + return WM_drag_ID(lb->first, idcode); +} + /* ************** draw ***************** */ static void wm_drop_operator_draw(const char *name, int x, int y) @@ -306,8 +346,15 @@ static const char *wm_drag_name(wmDrag *drag) switch (drag->type) { case WM_DRAG_ID: { - ID *id = drag->poin; - return id->name + 2; + ID *id = WM_drag_ID(drag, 0); + bool single = (BLI_listbase_count_at_most(&drag->ids, 2) == 1); + + if (single) { + return id->name + 2; + } + else { + return BKE_idcode_to_name_plural(GS(id->name)); + } } case WM_DRAG_PATH: case WM_DRAG_NAME: |