Merge remote-tracking branch 'origin/main' into drop-helper

@@ -3502,0 +3573,4 @@
+
+    @classmethod
+    def poll(cls, context):
+        return context.area.type == "VIEW_3D"

@@ -3502,0 +3580,4 @@
+    bl_idname = "WM_FH_usd"
+    bl_label = "USD"
+    bl_import_operator = "WM_OT_usd_import"
+    bl_file_extensions = [{"extension": ".usd"}]

@@ -673,0 +673,4 @@
+
+#ifdef __cplusplus
+
+struct bFileExtension {

@@ -673,0 +675,4 @@
+
+struct bFileExtension {
+  char extension[64];
+};

@@ -673,0 +682,4 @@
+
+  char label[BKE_ST_MAXNAME]; /* For UI text. */
+
+  char import_operator[BKE_ST_MAXNAME]; /* Import operator name, same as #OP_MAX_TYPENAME. */

@@ -673,0 +685,4 @@
+  char import_operator[BKE_ST_MAXNAME]; /* Import operator name, same as #OP_MAX_TYPENAME. */
+
+  /* Check if file handler can be used in a context. */
+  bool (*poll)(const struct bContext *C, FileHandlerType *file_handle_type);

@@ -1339,2 +1339,4 @@
   }
 }
+
+static blender::Vector<FileHandlerType *> file_handlers{};

@@ -0,0 +125,4 @@
+  for (auto *file_handler : file_handlers) {
+    wmOperatorType *ot = WM_operatortype_find(file_handler->import_operator, false);
+    PointerRNA op_props = copy_file_properties_to_operator_type_pointer(op, ot);
+    char *import_label = BLI_sprintfN("Import %s", file_handler->label);

@@ -0,0 +139,4 @@
+
+  UI_popup_menu_end(C, pup);
+  return OPERATOR_INTERFACE;
+}

@@ -0,0 +142,4 @@
+}
+void WM_OT_drop_import_helper(wmOperatorType *ot)
+{
+  ot->name = "Drop Import Herlper";

@@ -0,0 +146,4 @@
+  ot->description =
+      "Helper operator that handles file drops and uses file handler information to call "
+      "operators that can import a file with extension.";
+  ot->idname = "WM_OT_drop_import_helper";

@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#if defined(WITH_COLLADA) || defined(WITH_IO_GPENCIL) || defined(WITH_IO_WAVEFRONT_OBJ) || \
+    defined(WITH_IO_PLY) || defined(WITH_IO_STL) || defined(WITH_USD)

@@ -0,0 +14,4 @@
+
+int wm_io_import_invoke(bContext *C, wmOperator *op, const wmEvent *event);
+void skip_filesel_props(wmOperatorType *ot, const eFileSel_Flag flag);
+void files_drop_label_draw(bContext *C, wmOperator *op, int icon, const char *extension);

@@ -5922,3 +5922,3 @@
 {
   /* copy drag path to properties */
-  RNA_string_set(drop->ptr, "filepath", WM_drag_get_path(drag));
+  RNA_string_set(drop->ptr, "filepath", WM_drag_get_paths(drag)[0].c_str());

@@ -2081,0 +2228,4 @@
+{
+  StructRNA *srna;
+
+  RNA_def_property_srna(cprop, "FileExtensions");