UI: Alert Dialog Helper Function

Shared helper function to create a split layout with an alert icon for popup dialogs.

Differential Revision: https://developer.blender.org/D9486

Reviewed by Julian Eisel

source/blender/editors/include/UI_interface.h

@@ -26,6 +26,7 @@
 #include "BLI_compiler_attrs.h"
 #include "BLI_sys_types.h" /* size_t */
 #include "RNA_types.h"
+#include "UI_interface_icons.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -2431,6 +2432,9 @@ void uiItemTabsEnumR_prop(uiLayout *layout,
 /* Only for testing, inspecting layouts. */
 const char *UI_layout_introspect(uiLayout *layout);
 
+/* Helper to add a big icon and create a split layout for alert boxes. */
+uiLayout *uiItemsAlertBox(uiBlock *block, const int size, const eAlertIcon icon);
+
 /* UI Operators */
 typedef struct uiDragColorHandle {
   float color[3];