1 files changed, 42 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_layout.c b/source/blender/editors/interface/interface_layout.c
index d61e80e6505..0403287125c 100644
--- a/source/blender/editors/interface/interface_layout.c
+++ b/source/blender/editors/interface/interface_layout.c
@@ -5951,3 +5951,45 @@ const char *UI_layout_introspect(uiLayout *layout)
 }
 
 /** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Alert Box with Big Icon
+ * \{ */
+
+/**
+ * Helper to add a big icon and create a split layout for alert popups.
+ * Returns the layout to place further items into the alert box.
+ */
+uiLayout *uiItemsAlertBox(uiBlock *block, const int size, const eAlertIcon icon)
+{
+  const uiStyle *style = UI_style_get_dpi();
+  const short icon_size = 64 * U.dpi_fac;
+  const int text_points_max = MAX2(style->widget.points, style->widgetlabel.points);
+  const int dialog_width = icon_size + (text_points_max * size * U.dpi_fac);
+  /* By default, the space between icon and text/buttons will be equal to the 'columnspace',
+     this extra padding will add some space by increasing the left column width,
+     making the icon placement more symmetrical, between the block edge and the text. */
+  const float icon_padding = 5.0f * U.dpi_fac;
+  /* Calculate the factor of the fixed icon column depending on the block width. */
+  const float split_factor = ((float)icon_size + icon_padding) /
+                             (float)(dialog_width - style->columnspace);
+
+  uiLayout *block_layout = UI_block_layout(
+      block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, dialog_width, 0, 0, style);
+
+  /* Split layout to put alert icon on left side. */
+  uiLayout *split_block = uiLayoutSplit(block_layout, split_factor, false);
+
+  /* Alert icon on the left. */
+  uiLayout *layout = uiLayoutRow(split_block, false);
+  /* Using 'align_left' with 'row' avoids stretching the icon along the width of column. */
+  uiLayoutSetAlignment(layout, UI_LAYOUT_ALIGN_LEFT);
+  uiDefButAlert(block, icon, 0, 0, icon_size, icon_size);
+
+  /* The rest of the content on the right. */
+  layout = uiLayoutColumn(split_block, false);
+
+  return layout;
+}
+
+/** \} */