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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edinterface
*/
#include "BKE_context.h"
#include "BLI_string.h"
#include "BLT_translation.h"
#include "DNA_material_types.h"
#include "DNA_space_types.h"
#include "MEM_guardedalloc.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "WM_api.h"
#include "UI_interface.h"
/* -------------------------------------------------------------------- */
/** \name Tree View Drag/Drop Callbacks
* \{ */
static bool ui_tree_view_drop_poll(bContext *C, wmDrag *drag, const wmEvent *event)
{
const ARegion *region = CTX_wm_region(C);
const uiTreeViewItemHandle *hovered_tree_item = UI_block_tree_view_find_item_at(region,
event->xy);
if (!hovered_tree_item) {
return false;
}
if (drag->drop_state.free_disabled_info) {
MEM_SAFE_FREE(drag->drop_state.disabled_info);
}
drag->drop_state.free_disabled_info = false;
return UI_tree_view_item_can_drop(hovered_tree_item, drag, &drag->drop_state.disabled_info);
}
static char *ui_tree_view_drop_tooltip(bContext *C,
wmDrag *drag,
const int xy[2],
wmDropBox *UNUSED(drop))
{
const ARegion *region = CTX_wm_region(C);
const uiTreeViewItemHandle *hovered_tree_item = UI_block_tree_view_find_item_at(region, xy);
if (!hovered_tree_item) {
return nullptr;
}
return UI_tree_view_item_drop_tooltip(hovered_tree_item, drag);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Name Drag/Drop Callbacks
* \{ */
static bool ui_drop_name_poll(struct bContext *C, wmDrag *drag, const wmEvent *UNUSED(event))
{
return UI_but_active_drop_name(C) && (drag->type == WM_DRAG_ID);
}
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);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Material Drag/Drop Callbacks
* \{ */
static bool ui_drop_material_poll(bContext *C, wmDrag *drag, const wmEvent *UNUSED(event))
{
PointerRNA mat_slot = CTX_data_pointer_get_type(C, "material_slot", &RNA_MaterialSlot);
return WM_drag_is_ID_type(drag, ID_MA) && !RNA_pointer_is_null(&mat_slot);
}
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);
}
static char *ui_drop_material_tooltip(bContext *C,
wmDrag *drag,
const int UNUSED(xy[2]),
struct wmDropBox *UNUSED(drop))
{
PointerRNA rna_ptr = CTX_data_pointer_get_type(C, "object", &RNA_Object);
Object *ob = (Object *)rna_ptr.data;
BLI_assert(ob);
PointerRNA mat_slot = CTX_data_pointer_get_type(C, "material_slot", &RNA_MaterialSlot);
BLI_assert(mat_slot.data);
const int target_slot = RNA_int_get(&mat_slot, "slot_index") + 1;
PointerRNA rna_prev_material = RNA_pointer_get(&mat_slot, "material");
Material *prev_mat_in_slot = (Material *)rna_prev_material.data;
const char *dragged_material_name = WM_drag_get_item_name(drag);
char *result;
if (prev_mat_in_slot) {
const char *tooltip = TIP_("Drop %s on slot %d (replacing %s) of %s");
result = BLI_sprintfN(tooltip,
dragged_material_name,
target_slot,
prev_mat_in_slot->id.name + 2,
ob->id.name + 2);
}
else if (target_slot == ob->actcol) {
const char *tooltip = TIP_("Drop %s on slot %d (active slot) of %s");
result = BLI_sprintfN(tooltip, dragged_material_name, target_slot, ob->id.name + 2);
}
else {
const char *tooltip = TIP_("Drop %s on slot %d of %s");
result = BLI_sprintfN(tooltip, dragged_material_name, target_slot, ob->id.name + 2);
}
return result;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Add User Interface Drop Boxes
* \{ */
void ED_dropboxes_ui()
{
ListBase *lb = WM_dropboxmap_find("User Interface", SPACE_EMPTY, 0);
WM_dropbox_add(lb,
"UI_OT_tree_view_drop",
ui_tree_view_drop_poll,
nullptr,
nullptr,
ui_tree_view_drop_tooltip);
WM_dropbox_add(lb,
"UI_OT_drop_name",
ui_drop_name_poll,
ui_drop_name_copy,
WM_drag_free_imported_drag_ID,
nullptr);
WM_dropbox_add(lb,
"UI_OT_drop_material",
ui_drop_material_poll,
ui_drop_material_copy,
WM_drag_free_imported_drag_ID,
ui_drop_material_tooltip);
}
/** \} */
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