Cleanup: move eFileSel_Action from DNA to WM_api.h

This isn't stored in blend files so it can be moved out of DNA.

Also use an enum for `WM_FILESEL_*` members.

source/blender/makesdna/DNA_space_types.h

@@ -989,12 +989,6 @@ typedef enum eFileSelectType {
   FILE_SPECIAL = 9,
 } eFileSelectType;
 
-/** File-selector op property -> action. */
-typedef enum eFileSel_Action {
-  FILE_OPENFILE = 0,
-  FILE_SAVE = 1,
-} eFileSel_Action;
-
 /**
  * #FileSelectParams.flag / `sfile->params->flag`.
  * \note short flag, also used as 16 lower bits of flags in link/append code

source/blender/windowmanager/WM_api.h

@@ -740,14 +740,33 @@ bool WM_operator_last_properties_store(struct wmOperator *op);
 /* wm_operator_props.c */
 
 void WM_operator_properties_confirm_or_exec(struct wmOperatorType *ot);
+
+/** Flags for #WM_operator_properties_filesel. */
+typedef enum eFileSel_Flag {
+  WM_FILESEL_RELPATH = 1 << 0,
+  WM_FILESEL_DIRECTORY = 1 << 1,
+  WM_FILESEL_FILENAME = 1 << 2,
+  WM_FILESEL_FILEPATH = 1 << 3,
+  WM_FILESEL_FILES = 1 << 4,
+  /** Show the properties sidebar by default. */
+  WM_FILESEL_SHOW_PROPS = 1 << 5,
+} eFileSel_Flag;
+ENUM_OPERATORS(eFileSel_Flag, WM_FILESEL_SHOW_PROPS)
+
+/** Action for #WM_operator_properties_filesel. */
+typedef enum eFileSel_Action {
+  FILE_OPENFILE = 0,
+  FILE_SAVE = 1,
+} eFileSel_Action;
+
 /**
  * Default properties for file-select.
  */
 void WM_operator_properties_filesel(struct wmOperatorType *ot,
                                     int filter,
                                     short type,
-                                    short action,
-                                    short flag,
+                                    eFileSel_Action action,
+                                    eFileSel_Flag flag,
                                     short display,
                                     short sort);
 /**
@@ -841,16 +860,6 @@ void WM_operator_properties_checker_interval_from_op(struct wmOperator *op,
 bool WM_operator_properties_checker_interval_test(const struct CheckerIntervalParams *op_params,
                                                   int depth);
 
-/* flags for WM_operator_properties_filesel */
-#define WM_FILESEL_RELPATH (1 << 0)
-
-#define WM_FILESEL_DIRECTORY (1 << 1)
-#define WM_FILESEL_FILENAME (1 << 2)
-#define WM_FILESEL_FILEPATH (1 << 3)
-#define WM_FILESEL_FILES (1 << 4)
-/* Show the properties sidebar by default. */
-#define WM_FILESEL_SHOW_PROPS (1 << 5)
-
 /**
  * Operator as a Python command (resulting string must be freed).
  *

source/blender/windowmanager/intern/wm_operator_props.c

@@ -58,12 +58,12 @@ static const EnumPropertyItem *wm_operator_properties_filesel_sort_items_itemf(
 }
 
 void WM_operator_properties_filesel(wmOperatorType *ot,
-                                    int filter,
-                                    short type,
-                                    short action,
-                                    short flag,
-                                    short display,
-                                    short sort)
+                                    const int filter,
+                                    const short type,
+                                    const eFileSel_Action action,
+                                    const eFileSel_Flag flag,
+                                    const short display,
+                                    const short sort)
 {
   PropertyRNA *prop;