Add new factor parameter to layout.separator()

The new parameter allows to define the scale of the space.

3 files changed, 14 insertions, 2 deletions

diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index 0f160d7263b..51347c7c230 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -1187,6 +1187,7 @@ void uiItemLDrag(uiLayout *layout, struct PointerRNA *ptr, const char *name, int
 void uiItemM(uiLayout *layout, const char *menuname, const char *name, int icon); /* menu */
 void uiItemV(uiLayout *layout, const char *name, int icon, int argval); /* value */
 void uiItemS(uiLayout *layout); /* separator */
+void uiItemS_ex(uiLayout *layout, float factor);
 void uiItemSpacer(uiLayout *layout); /* Special separator. */
 
 void uiItemPopoverPanel_ptr(
diff --git a/source/blender/editors/interface/interface_layout.c b/source/blender/editors/interface/interface_layout.c
index 973a47c5305..41df694176a 100644
--- a/source/blender/editors/interface/interface_layout.c
+++ b/source/blender/editors/interface/interface_layout.c
@@ -2419,16 +2419,23 @@ void uiItemV(uiLayout *layout, const char *name, int icon, int argval)
 }
 
 /* separator item */
-void uiItemS(uiLayout *layout)
+void uiItemS_ex(uiLayout *layout, float factor)
 {
 	uiBlock *block = layout->root->block;
 	bool is_menu = ui_block_is_menu(block);
 	int space = (is_menu) ? 0.45f * UI_UNIT_X : 0.3f * UI_UNIT_X;
+	space *= factor;
 
 	UI_block_layout_set_current(block, layout);
 	uiDefBut(block, (is_menu) ? UI_BTYPE_SEPR_LINE : UI_BTYPE_SEPR, 0, "", 0, 0, space, space, NULL, 0.0, 0.0, 0, 0, "");
 }
 
+/* separator item */
+void uiItemS(uiLayout *layout)
+{
+	uiItemS_ex(layout, 1.0f);
+}
+
 /* Flexible spacing. */
 void uiItemSpacer(uiLayout *layout)
 {
diff --git a/source/blender/makesrna/intern/rna_ui_api.c b/source/blender/makesrna/intern/rna_ui_api.c
index 84673029eb9..7f956233012 100644
--- a/source/blender/makesrna/intern/rna_ui_api.c
+++ b/source/blender/makesrna/intern/rna_ui_api.c
@@ -760,8 +760,12 @@ void RNA_api_ui_layout(StructRNA *srna)
 	parm = RNA_def_string(func, "category", NULL, 0, "", "panel type category");
 	RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
 
-	func = RNA_def_function(srna, "separator", "uiItemS");
+	func = RNA_def_function(srna, "separator", "uiItemS_ex");
 	RNA_def_function_ui_description(func, "Item. Inserts empty space into the layout between items");
+	RNA_def_float(
+		func, "factor", 0.0f, 0.0f, FLT_MAX, "Percentage",
+		"Percentage of width to space (leave unset for default space)",
+		0.0f, FLT_MAX);
 
 	func = RNA_def_function(srna, "separator_spacer", "uiItemSpacer");
 	RNA_def_function_ui_description(func, "Item. Inserts horizontal spacing empty space into the layout between items");