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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 b1a59daa71
commit 3659eb65d0
1 changed files with 16 additions and 1 deletions
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17
gtk/gtkscale.c
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@@ -1910,8 +1910,23 @@ 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)