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Scale: Set the correct value alignment

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We're measuring both the width of the minimal and the maximal value for
the value gadget, but only give the value the minimal width for its
current value, resultnig in an always left-aligned value.

Fix this by assigning the width of the value gadget to the value layout
and letting pango align the text inside the layout.

https://bugzilla.gnome.org/show_bug.cgi?id=766120
This commit is contained in:
Timm Bäder 2016-05-10 18:33:37 +02:00
parent 7b81b56f7b
commit 327777a291
1 changed files with 16 additions and 1 deletions
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17
gtk/gtkscale.c
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@ -1903,8 +1903,23 @@ gtk_scale_get_layout (GtkScale *scale)
if (!priv->layout)
{
int min_layout_width;
if (priv->draw_value)
priv->layout = gtk_widget_create_pango_layout (GTK_WIDGET (scale), NULL);
priv->layout = gtk_widget_create_pango_layout (GTK_WIDGET (scale), NULL);
gtk_css_gadget_get_preferred_size (priv->value_gadget,
GTK_ORIENTATION_HORIZONTAL, -1,
&min_layout_width, NULL,
NULL, NULL);
pango_layout_set_width (priv->layout, min_layout_width * PANGO_SCALE);
if (priv->value_pos == GTK_POS_LEFT)
pango_layout_set_alignment (priv->layout, PANGO_ALIGN_RIGHT);
else if (priv->value_pos == GTK_POS_RIGHT)
pango_layout_set_alignment (priv->layout, PANGO_ALIGN_LEFT);
else
pango_layout_set_alignment (priv->layout, PANGO_ALIGN_CENTER);
}
if (priv->draw_value)