UI: Add file browser operator to edit directory field

This allows using a shortcut from the file browser to edit the directory
path. The shortcut Ctrl + L is quite standard and used in multiple
GNU/Linux desktop desktop environments, Windows, as well as most web
browsers. Safari on macOS uses Cmd + L.

Reviewed by: Jacques Lucke, Julian Eisel

Differential Revision: https://developer.blender.org/D15196

4 files changed, 43 insertions, 0 deletions

diff --git a/release/scripts/presets/keyconfig/keymap_data/blender_default.py b/release/scripts/presets/keyconfig/keymap_data/blender_default.py
index f61d8465952..7d0929ef28f 100644
--- a/release/scripts/presets/keyconfig/keymap_data/blender_default.py
+++ b/release/scripts/presets/keyconfig/keymap_data/blender_default.py
@@ -2223,6 +2223,7 @@ def km_file_browser(params):
         ("file.smoothscroll", {"type": 'TIMER1', "value": 'ANY', "any": True}, None),
         ("file.bookmark_add", {"type": 'B', "value": 'PRESS', "ctrl": True}, None),
         ("file.start_filter", {"type": 'F', "value": 'PRESS', "ctrl": True}, None),
+        ("file.edit_directory_path", {"type": 'L', "value": 'PRESS', "ctrl": True}, None),
         ("file.filenum", {"type": 'NUMPAD_PLUS', "value": 'PRESS', "repeat": True},
          {"properties": [("increment", 1)]}),
         ("file.filenum", {"type": 'NUMPAD_PLUS', "value": 'PRESS', "shift": True, "repeat": True},
diff --git a/source/blender/editors/space_file/file_intern.h b/source/blender/editors/space_file/file_intern.h
index 1ee6445f4ba..655a7983e2b 100644
--- a/source/blender/editors/space_file/file_intern.h
+++ b/source/blender/editors/space_file/file_intern.h
@@ -83,6 +83,7 @@ void FILE_OT_rename(struct wmOperatorType *ot);
 void FILE_OT_smoothscroll(struct wmOperatorType *ot);
 void FILE_OT_filepath_drop(struct wmOperatorType *ot);
 void FILE_OT_start_filter(struct wmOperatorType *ot);
+void FILE_OT_edit_directory_path(struct wmOperatorType *ot);
 void FILE_OT_view_selected(struct wmOperatorType *ot);
 
 void file_directory_enter_handle(bContext *C, void *arg_unused, void *arg_but);
diff --git a/source/blender/editors/space_file/file_ops.c b/source/blender/editors/space_file/file_ops.c
index 8b205029559..62bdd583bc1 100644
--- a/source/blender/editors/space_file/file_ops.c
+++ b/source/blender/editors/space_file/file_ops.c
@@ -2950,6 +2950,46 @@ void FILE_OT_start_filter(struct wmOperatorType *ot)
 /** \} */
 
 /* -------------------------------------------------------------------- */
+/** \name Edit Directory Path Operator
+ * \{ */
+
+static int file_edit_directory_path_exec(bContext *C, wmOperator *UNUSED(op))
+{
+  const ScrArea *area = CTX_wm_area(C);
+  const SpaceFile *sfile = CTX_wm_space_file(C);
+  const FileSelectParams *params = ED_fileselect_get_active_params(sfile);
+
+  ARegion *region_ctx = CTX_wm_region(C);
+
+  if (area) {
+    LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
+      CTX_wm_region_set(C, region);
+      if (UI_textbutton_activate_rna(C, region, params, "directory")) {
+        break;
+      }
+    }
+  }
+
+  CTX_wm_region_set(C, region_ctx);
+
+  return OPERATOR_FINISHED;
+}
+
+void FILE_OT_edit_directory_path(struct wmOperatorType *ot)
+{
+  /* identifiers */
+  ot->name = "Edit Directory Path";
+  ot->description = "Start editing directory field";
+  ot->idname = "FILE_OT_edit_directory_path";
+
+  /* api callbacks */
+  ot->exec = file_edit_directory_path_exec;
+  ot->poll = ED_operator_file_active;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
 /** \name Macro Operators
  * \{ */
 
diff --git a/source/blender/editors/space_file/space_file.c b/source/blender/editors/space_file/space_file.c
index 0170361f244..a462476aae0 100644
--- a/source/blender/editors/space_file/space_file.c
+++ b/source/blender/editors/space_file/space_file.c
@@ -695,6 +695,7 @@ static void file_operatortypes(void)
   WM_operatortype_append(FILE_OT_smoothscroll);
   WM_operatortype_append(FILE_OT_filepath_drop);
   WM_operatortype_append(FILE_OT_start_filter);
+  WM_operatortype_append(FILE_OT_edit_directory_path);
   WM_operatortype_append(FILE_OT_view_selected);
 }