72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/** \file
|
|
* \ingroup edinterface
|
|
*/
|
|
|
|
#include "UI_interface.hh"
|
|
|
|
#include "BLI_string.h"
|
|
|
|
namespace blender::ui {
|
|
|
|
DragInfo::DragInfo(const wmDrag &drag, const wmEvent &event, const DropLocation drop_location)
|
|
: drag_data(drag), event(event), drop_location(drop_location)
|
|
{
|
|
}
|
|
|
|
std::optional<DropLocation> DropTargetInterface::choose_drop_location(
|
|
const ARegion & /*region*/, const wmEvent & /*event*/) const
|
|
{
|
|
return DropLocation::Into;
|
|
}
|
|
|
|
bool drop_target_apply_drop(bContext &C,
|
|
const ARegion ®ion,
|
|
const wmEvent &event,
|
|
const DropTargetInterface &drop_target,
|
|
const ListBase &drags)
|
|
{
|
|
const char *disabled_hint_dummy = nullptr;
|
|
LISTBASE_FOREACH (const wmDrag *, drag, &drags) {
|
|
if (!drop_target.can_drop(*drag, &disabled_hint_dummy)) {
|
|
return false;
|
|
}
|
|
|
|
const std::optional<DropLocation> drop_location = drop_target.choose_drop_location(region,
|
|
event);
|
|
if (!drop_location) {
|
|
return false;
|
|
}
|
|
|
|
const DragInfo drag_info{*drag, event, *drop_location};
|
|
return drop_target.on_drop(&C, drag_info);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
std::string drop_target_tooltip(const ARegion ®ion,
|
|
const DropTargetInterface &drop_target,
|
|
const wmDrag &drag,
|
|
const wmEvent &event)
|
|
{
|
|
const char *disabled_hint_dummy = nullptr;
|
|
if (!drop_target.can_drop(drag, &disabled_hint_dummy)) {
|
|
return nullptr;
|
|
}
|
|
|
|
const std::optional<DropLocation> drop_location = drop_target.choose_drop_location(region,
|
|
event);
|
|
if (!drop_location) {
|
|
return nullptr;
|
|
}
|
|
|
|
const DragInfo drag_info{drag, event, *drop_location};
|
|
return drop_target.drop_tooltip(drag_info);
|
|
}
|
|
|
|
} // namespace blender::ui
|