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label: Pass the desired height to measuring layout

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We always pass -1 for now.
This commit is contained in:
Benjamin Otte 2011-04-18 03:30:35 +02:00
parent 403815f96f
commit 484e04aed2
1 changed files with 15 additions and 7 deletions
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22
gtk/gtklabel.c
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@ -3212,6 +3212,7 @@ get_font_metrics (PangoContext *context, GtkWidget *widget)
* @label: the label
* @existing_layout: %NULL or an existing layout already in use.
* @width: the width to measure with in pango units, or -1 for infinite
* @height: the height to measure with in pango units, or -1 for infinite
*
* Gets a layout that can be used for measuring sizes. The returned
* layout will be identical to the label's layout except for the
@ -3223,7 +3224,8 @@ get_font_metrics (PangoContext *context, GtkWidget *widget)
static PangoLayout *
gtk_label_get_measuring_layout (GtkLabel * label,
PangoLayout *existing_layout,
int width)
int width,
int height)
{
GtkLabelPrivate *priv = label->priv;
PangoRectangle rect;
@ -3234,6 +3236,7 @@ gtk_label_get_measuring_layout (GtkLabel * label,
if (existing_layout != priv->layout)
{
pango_layout_set_width (existing_layout, width);
pango_layout_set_height (existing_layout, height);
return existing_layout;
}
@ -3242,7 +3245,8 @@ gtk_label_get_measuring_layout (GtkLabel * label,
gtk_label_ensure_layout (label);
if (pango_layout_get_width (priv->layout) == width)
if (pango_layout_get_width (priv->layout) == width &&
pango_layout_get_height (priv->layout) == height)
{
g_object_ref (priv->layout);
return priv->layout;
@ -3256,6 +3260,7 @@ gtk_label_get_measuring_layout (GtkLabel * label,
{
g_object_ref (priv->layout);
pango_layout_set_width (priv->layout, width);
pango_layout_set_height (priv->layout, height);
return priv->layout;
}
@ -3266,6 +3271,7 @@ gtk_label_get_measuring_layout (GtkLabel * label,
*/
pango_layout_get_extents (priv->layout, NULL, &rect);
if ((width == -1 || rect.width <= width) &&
(height == -1 || rect.height <= height) &&
!pango_layout_is_wrapped (priv->layout) &&
!pango_layout_is_ellipsized (priv->layout))
{
@ -3275,6 +3281,7 @@ gtk_label_get_measuring_layout (GtkLabel * label,
copy = pango_layout_copy (priv->layout);
pango_layout_set_width (copy, width);
pango_layout_set_height (copy, height);
return copy;
}
@ -3305,6 +3312,7 @@ gtk_label_update_layout_width (GtkLabel *label)
const gdouble dy = matrix->xy; /* sin (M_PI * angle / 180) */
pango_layout_set_width (priv->layout, -1);
pango_layout_set_height (priv->layout, -1);
pango_layout_get_pixel_extents (priv->layout, NULL, &logical);
if (fabs (dy) < 0.01)
@ -3358,7 +3366,7 @@ gtk_label_update_layout_width (GtkLabel *label)
else
{
pango_layout_set_width (priv->layout, width * PANGO_SCALE);
pango_layout_set_height (priv->layout, height * PANGO_SCALE);
pango_layout_set_height (priv->layout, priv->ellipsize ? height * PANGO_SCALE : -1);
}
}
else
@ -3482,7 +3490,7 @@ get_size_for_allocation (GtkLabel *label,
PangoLayout *layout;
gint text_height;
layout = gtk_label_get_measuring_layout (label, NULL, allocation * PANGO_SCALE);
layout = gtk_label_get_measuring_layout (label, NULL, allocation * PANGO_SCALE, -1);
pango_layout_get_pixel_size (layout, NULL, &text_height);
@ -3537,7 +3545,7 @@ gtk_label_get_preferred_layout_size (GtkLabel *label,
*/
/* Start off with the pixel extents of an as-wide-as-possible layout */
layout = gtk_label_get_measuring_layout (label, NULL, -1);
layout = gtk_label_get_measuring_layout (label, NULL, -1, -1);
pango_layout_get_extents (layout, NULL, natural);
natural->x = natural->y = 0;
@ -3547,8 +3555,8 @@ gtk_label_get_preferred_layout_size (GtkLabel *label,
if (priv->ellipsize || priv->wrap)
{
/* a layout with widdth 0 will be as small as humanly possible */
layout = gtk_label_get_measuring_layout (label, layout, 0);
/* a layout with width 0 will be as small as humanly possible */
layout = gtk_label_get_measuring_layout (label, layout, 0, -1);
pango_layout_get_extents (layout, NULL, required);
required->x = required->y = 0;