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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edinterface
*/
#include "UI_interface.h"
#include "WM_api.h"
#include "interface_intern.h"
void UI_but_drag_set_id(uiBut *but, ID *id)
{
but->dragtype = WM_DRAG_ID;
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
but->dragflag &= ~UI_BUT_DRAGPOIN_FREE;
}
but->dragpoin = (void *)id;
}
void UI_but_drag_attach_image(uiBut *but, struct ImBuf *imb, const float scale)
{
but->imb = imb;
but->imb_scale = scale;
}
void UI_but_drag_set_asset(uiBut *but,
const AssetHandle *asset,
const char *path,
struct AssetMetaData *metadata,
int import_type,
int icon,
struct ImBuf *imb,
float scale)
{
wmDragAsset *asset_drag = WM_drag_create_asset_data(asset, metadata, path, import_type);
/* FIXME: This is temporary evil solution to get scene/view-layer/etc in the copy callback of the
* #wmDropBox.
* TODO: Handle link/append in operator called at the end of the drop process, and NOT in its
* copy callback.
* */
asset_drag->evil_C = static_cast<bContext *>(but->block->evil_C);
but->dragtype = WM_DRAG_ASSET;
ui_def_but_icon(but, icon, 0); /* no flag UI_HAS_ICON, so icon doesn't draw in button */
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
}
but->dragpoin = asset_drag;
but->dragflag |= UI_BUT_DRAGPOIN_FREE;
UI_but_drag_attach_image(but, imb, scale);
}
void UI_but_drag_set_rna(uiBut *but, PointerRNA *ptr)
{
but->dragtype = WM_DRAG_RNA;
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
but->dragflag &= ~UI_BUT_DRAGPOIN_FREE;
}
but->dragpoin = (void *)ptr;
}
void UI_but_drag_set_path(uiBut *but, const char *path, const bool use_free)
{
but->dragtype = WM_DRAG_PATH;
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
but->dragflag &= ~UI_BUT_DRAGPOIN_FREE;
}
but->dragpoin = (void *)path;
if (use_free) {
but->dragflag |= UI_BUT_DRAGPOIN_FREE;
}
}
void UI_but_drag_set_name(uiBut *but, const char *name)
{
but->dragtype = WM_DRAG_NAME;
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
but->dragflag &= ~UI_BUT_DRAGPOIN_FREE;
}
but->dragpoin = (void *)name;
}
void UI_but_drag_set_value(uiBut *but)
{
but->dragtype = WM_DRAG_VALUE;
}
void UI_but_drag_set_image(
uiBut *but, const char *path, int icon, struct ImBuf *imb, float scale, const bool use_free)
{
but->dragtype = WM_DRAG_PATH;
ui_def_but_icon(but, icon, 0); /* no flag UI_HAS_ICON, so icon doesn't draw in button */
if (but->dragflag & UI_BUT_DRAGPOIN_FREE) {
WM_drag_data_free(but->dragtype, but->dragpoin);
but->dragflag &= ~UI_BUT_DRAGPOIN_FREE;
}
but->dragpoin = (void *)path;
if (use_free) {
but->dragflag |= UI_BUT_DRAGPOIN_FREE;
}
UI_but_drag_attach_image(but, imb, scale);
}
void ui_but_drag_free(uiBut *but)
{
if (but->dragpoin && (but->dragflag & UI_BUT_DRAGPOIN_FREE)) {
WM_drag_data_free(but->dragtype, but->dragpoin);
}
}
bool ui_but_drag_is_draggable(const uiBut *but)
{
return but->dragpoin != nullptr;
}
void ui_but_drag_start(bContext *C, uiBut *but)
{
wmDrag *drag = WM_drag_data_create(C,
but->icon,
but->dragtype,
but->dragpoin,
ui_but_value_get(but),
(but->dragflag & UI_BUT_DRAGPOIN_FREE) ? WM_DRAG_FREE_DATA :
WM_DRAG_NOP);
/* wmDrag has ownership over dragpoin now, stop messing with it. */
but->dragpoin = nullptr;
if (but->imb) {
WM_event_drag_image(drag, but->imb, but->imb_scale);
}
WM_event_start_prepared_drag(C, drag);
/* Special feature for assets: We add another drag item that supports multiple assets. It
* gets the assets from context. */
if (ELEM(but->dragtype, WM_DRAG_ASSET, WM_DRAG_ID)) {
WM_event_start_drag(C, ICON_NONE, WM_DRAG_ASSET_LIST, nullptr, 0, WM_DRAG_NOP);
}
}
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