[Bf-blender-cvs] [74364a3928a] master: UI: add popover access for button labels

[Campbell Barton]

Commit: 74364a3928a15bf1380dc0498b3632e6354049d2
Author: Campbell Barton
Date:   Wed Jun 19 11:34:54 2019 +1000
Branches: master
https://developer.blender.org/rB74364a3928a15bf1380dc0498b3632e6354049d2

UI: add popover access for button labels

Needed for tool-tips to access labels.

===================================================================

M	source/blender/editors/interface/interface.c

===================================================================

diff --git a/source/blender/editors/interface/interface.c b/source/blender/editors/interface/interface.c
index 4b1bdc4a534..697c289491a 100644
--- a/source/blender/editors/interface/interface.c
+++ b/source/blender/editors/interface/interface.c
@@ -6401,18 +6401,35 @@ void UI_but_string_info_get(bContext *C, uiBut *but, ...)
           }
         }
       }
-      else if (ELEM(but->type, UI_BTYPE_MENU, UI_BTYPE_PULLDOWN)) {
-        MenuType *mt = UI_but_menutype_get(but);
-        if (mt) {
-          /* not all menus are from python */
-          if (mt->ext.srna) {
+      else if (ELEM(but->type, UI_BTYPE_MENU, UI_BTYPE_PULLDOWN, UI_BTYPE_POPOVER)) {
+        {
+          MenuType *mt = UI_but_menutype_get(but);
+          if (mt) {
+            if (type == BUT_GET_RNA_LABEL) {
+              tmp = BLI_strdup(mt->label);
+            }
+            else {
+              /* Not all menus are from Python. */
+              if (mt->ext.srna) {
+                const char *t = RNA_struct_ui_description(mt->ext.srna);
+                if (t && t[0]) {
+                  tmp = BLI_strdup(t);
+                }
+              }
+            }
+          }
+        }
+
+        if (tmp == NULL) {
+          PanelType *pt = UI_but_paneltype_get(but);
+          if (pt) {
             if (type == BUT_GET_RNA_LABEL) {
-              tmp = BLI_strdup(RNA_struct_ui_name(mt->ext.srna));
+              tmp = BLI_strdup(pt->label);
             }
             else {
-              const char *t = RNA_struct_ui_description(mt->ext.srna);
-              if (t && t[0]) {
-                tmp = BLI_strdup(t);
+              /* Not all panels are from Python. */
+              if (pt->ext.srna) {
+                /* Panels don't yet have descriptions, this may be added. */
               }
             }
           }