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