1 files changed, 97 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_query.c b/source/blender/editors/interface/interface_query.c
new file mode 100644
index 00000000000..5d6d03ece60
--- /dev/null
+++ b/source/blender/editors/interface/interface_query.c
@@ -0,0 +1,97 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/interface/interface_query.c
+ *  \ingroup edinterface
+ *
+ * Utilities to inspect the interface, extract information.
+ */
+
+#include "BLI_utildefines.h"
+
+#include "DNA_screen_types.h"
+
+#include "UI_interface.h"
+
+#include "interface_intern.h"
+
+/* -------------------------------------------------------------------- */
+/** \name Button (uiBut)
+ * \{ */
+
+bool ui_but_is_editable(const uiBut *but)
+{
+	return !ELEM(but->type,
+	             UI_BTYPE_LABEL, UI_BTYPE_SEPR, UI_BTYPE_SEPR_LINE,
+	             UI_BTYPE_ROUNDBOX, UI_BTYPE_LISTBOX, UI_BTYPE_PROGRESS_BAR);
+}
+
+bool ui_but_is_editable_as_text(const uiBut *but)
+{
+	return  ELEM(but->type,
+	             UI_BTYPE_TEXT, UI_BTYPE_NUM, UI_BTYPE_NUM_SLIDER,
+	             UI_BTYPE_SEARCH_MENU);
+
+}
+
+bool ui_but_is_toggle(const uiBut *but)
+{
+	return ELEM(
+	        but->type,
+	        UI_BTYPE_BUT_TOGGLE,
+	        UI_BTYPE_TOGGLE,
+	        UI_BTYPE_ICON_TOGGLE,
+	        UI_BTYPE_ICON_TOGGLE_N,
+	        UI_BTYPE_TOGGLE_N,
+	        UI_BTYPE_CHECKBOX,
+	        UI_BTYPE_CHECKBOX_N,
+	        UI_BTYPE_ROW
+	);
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Block (uiBlock)
+ * \{ */
+
+bool ui_block_is_menu(const uiBlock *block)
+{
+	return (((block->flag & UI_BLOCK_LOOP) != 0) &&
+	        /* non-menu popups use keep-open, so check this is off */
+	        ((block->flag & UI_BLOCK_KEEP_OPEN) == 0));
+}
+
+bool ui_block_is_pie_menu(const uiBlock *block)
+{
+	return ((block->flag & UI_BLOCK_RADIAL) != 0);
+}
+
+bool UI_block_is_empty(const uiBlock *block)
+{
+	for (const uiBut *but = block->buttons.first; but; but = but->next) {
+		if (!ELEM(but->type, UI_BTYPE_SEPR, UI_BTYPE_SEPR_LINE)) {
+			return false;
+		}
+	}
+	return true;
+}
+
+/** \} */