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[TextBox] Add get_desired_width function.

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This commit is contained in:
Dave Davenport 2017-05-23 09:12:04 +02:00
parent dca5caaa47
commit f5c57ff821
2 changed files with 15 additions and 0 deletions
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1
include/widgets/textbox.h
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@ -290,5 +290,6 @@ PangoAttrList *textbox_get_pango_attributes ( textbox *tb );
* @returns the visible text.
*/
const char *textbox_get_visible_text ( const textbox *tb );
int textbox_get_desired_width ( widget *wid );
/*@}*/
#endif //ROFI_TEXTBOX_H

14
source/widgets/textbox.c
View file

@ -797,3 +797,17 @@ int textbox_get_estimated_height ( const textbox *tb, int eh )
int height = pango_font_metrics_get_ascent ( tb->metrics ) + pango_font_metrics_get_descent ( tb->metrics );
return ( eh * height ) / PANGO_SCALE + widget_padding_get_padding_height ( WIDGET ( tb ) );
}
int textbox_get_desired_width ( widget *wid )
{
textbox *tb = (textbox *) wid;
unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
if ( tb->flags & TB_AUTOWIDTH ) {
return textbox_get_font_width ( tb ) + widget_padding_get_padding_width ( wid ) + offset;
}
int width = 0;
pango_layout_set_width ( tb->layout, -1);
width = textbox_get_font_width ( tb );
// Restore.
pango_layout_set_width ( tb->layout, PANGO_SCALE * ( tb->widget.w - widget_padding_get_padding_width ( WIDGET ( tb ) ) - offset ) );
return width + widget_padding_get_padding_width ( wid ) + offset;
}