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/*
* Determine the dimensions of a piece of text in the standard
* font used in GTK interface elements like labels. We do this by
* instantiating an actual GtkLabel, and then querying its size.
*/
#include <gtk/gtk.h>
#include "putty.h"
#include "gtkcompat.h"
#include "gtkmisc.h"
void get_label_text_dimensions(const char *text, int *width, int *height)
{
GtkWidget *label = gtk_label_new(text);
/*
* GTK2 and GTK3 require us to query the size completely
* differently. I'm sure there ought to be an easier approach than
* the way I'm doing this in GTK3, too!
*/
#if GTK_CHECK_VERSION(3,0,0)
PangoLayout *layout = gtk_label_get_layout(GTK_LABEL(label));
PangoRectangle logrect;
pango_layout_get_extents(layout, NULL, &logrect);
if (width)
*width = logrect.width / PANGO_SCALE;
if (height)
*height = logrect.height / PANGO_SCALE;
#else
GtkRequisition req;
gtk_widget_size_request(label, &req);
if (width)
*width = req.width;
if (height)
*height = req.height;
#endif
g_object_ref_sink(G_OBJECT(label));
#if GTK_CHECK_VERSION(2,10,0)
g_object_unref(label);
#endif
}
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