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