[Textbox] Try to fix estimated font height.

This was on newer pango 1 pixel off with actual font height.
This casues drawing issues.

Fixes: #1190

1 files changed, 13 insertions, 1 deletions

diff --git a/include/widgets/textbox.h b/include/widgets/textbox.h
index 229e34d9..cb9be121 100644
--- a/include/widgets/textbox.h
+++ b/include/widgets/textbox.h
@@ -43,6 +43,17 @@
  *
  * @{
  */
+
+/** Cache to hold font descriptions. This it to avoid having to lookup each time. */
+typedef struct TBFontConfig
+{
+    /** Font description */
+    PangoFontDescription *pfd;
+    /** Font metrics */
+    PangoFontMetrics     *metrics;
+    /** height */
+    double               height;
+}TBFontConfig;
 /**
  * Internal structure of a textbox widget.
  * TODO make this internal to textbox
@@ -66,7 +77,8 @@ typedef struct
     double             yalign;
     double             xalign;
 
-    PangoFontMetrics   *metrics;
+    TBFontConfig       *tbfc;
+
     PangoEllipsizeMode emode;
     //
     const char         *theme_name;