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VSE: Add precise drag and drop and strip previews

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This patch adds the drag and drop strip previews in the VSE.
It also adds two new functions to the drag and drop API.

1. "draw_in_view" for callbacks that wants to draw elements in local viewport coordinates
2. "on_drag_start" that can be used for prefetching data only once at the start of the drag.

Reviewed By: Julian, Campbell

Differential Revision: http://developer.blender.org/D14560
This commit is contained in:
Sebastian Parborg
2022-04-28 12:50:22 +02:00
parent 16fe767d00
commit 77794b1a7b
27 changed files with 1062 additions and 259 deletions
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4
source/blender/editors/interface/interface_dropboxes.cc
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@@ -67,7 +67,7 @@ static bool ui_drop_name_poll(struct bContext *C, wmDrag *drag, const wmEvent *U
return UI_but_active_drop_name(C) && (drag->type == WM_DRAG_ID);
}
static void ui_drop_name_copy(wmDrag *drag, wmDropBox *drop)
static void ui_drop_name_copy(bContext *UNUSED(C), wmDrag *drag, wmDropBox *drop)
{
const ID *id = WM_drag_get_local_ID(drag, 0);
RNA_string_set(drop->ptr, "string", id->name + 2);
@@ -85,7 +85,7 @@ static bool ui_drop_material_poll(bContext *C, wmDrag *drag, const wmEvent *UNUS
return WM_drag_is_ID_type(drag, ID_MA) && !RNA_pointer_is_null(&mat_slot);
}
static void ui_drop_material_copy(wmDrag *drag, wmDropBox *drop)
static void ui_drop_material_copy(bContext *UNUSED(C), wmDrag *drag, wmDropBox *drop)
{
const ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, ID_MA);
RNA_int_set(drop->ptr, "session_uuid", (int)id->session_uuid);