diff options
Diffstat (limited to 'source/widgets/textbox.c')
| -rw-r--r-- | source/widgets/textbox.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/source/widgets/textbox.c b/source/widgets/textbox.c index 87d90767..778b9a41 100644 --- a/source/widgets/textbox.c +++ b/source/widgets/textbox.c @@ -757,13 +757,27 @@ int textbox_get_font_width ( const textbox *tb ) return width; } +static double char_height = -1; +double textbox_get_estimated_char_height ( void ) +{ + if ( char_height < 0 ){ + int height = pango_font_metrics_get_ascent ( p_metrics ) + pango_font_metrics_get_descent ( p_metrics ); + char_height = ( height ) / (double) PANGO_SCALE; + } + return char_height; +} + +static double char_width = -1; double textbox_get_estimated_char_width ( void ) { - int width = pango_font_metrics_get_approximate_char_width ( p_metrics ); - return ( width ) / (double) PANGO_SCALE; + if ( char_width < 0 ){ + int width = pango_font_metrics_get_approximate_char_width ( p_metrics ); + char_width = ( width ) / (double) PANGO_SCALE; + } + return char_width; } -int textbox_get_estimated_char_height ( const textbox *tb, int eh ) +int textbox_get_estimated_height ( const textbox *tb, int eh ) { int height = pango_font_metrics_get_ascent ( p_metrics ) + pango_font_metrics_get_descent ( p_metrics ); return ( eh*height ) / PANGO_SCALE + widget_padding_get_padding_height ( WIDGET ( tb ) ); |