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label: Position the text properly

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The PangoLayout needs to be positioned according to the content
allocation of the gadget, not the widget's allocation.
This commit is contained in:
Benjamin Otte 2015-12-16 20:39:51 +01:00
parent 2e362eafc7
commit 197e42efd8
3 changed files with 45 additions and 4 deletions
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35
gtk/gtkcssgadget.c
View File

@ -698,3 +698,38 @@ gtk_css_gadget_get_border_allocation (GtkCssGadget *gadget,
}
}
void
gtk_css_gadget_get_content_allocation (GtkCssGadget *gadget,
GtkAllocation *allocation,
int *baseline)
{
GtkCssGadgetPrivate *priv = gtk_css_gadget_get_instance_private (gadget);
GtkBorder margin, border, padding, extents;
GtkCssStyle *style;
g_return_if_fail (GTK_IS_CSS_GADGET (gadget));
style = gtk_css_gadget_get_style (gadget);
get_box_margin (style, &margin);
get_box_border (style, &border);
get_box_padding (style, &padding);
extents.top = margin.top + border.top + padding.top;
extents.right = margin.right + border.right + padding.right;
extents.bottom = margin.bottom + border.bottom + padding.bottom;
extents.left = margin.left + border.left + padding.left;
if (allocation)
{
allocation->x = priv->allocated_size.x + extents.left;
allocation->y = priv->allocated_size.y + extents.top;
allocation->width = priv->allocated_size.width - extents.left - extents.right;
allocation->height = priv->allocated_size.height - extents.top - extents.bottom;
}
if (baseline)
{
if (priv->allocated_baseline >= 0)
*baseline = priv->allocated_baseline - extents.top;
else
*baseline = -1;
}
}

3
gtk/gtkcssgadgetprivate.h
View File

@ -100,6 +100,9 @@ void gtk_css_gadget_draw (GtkCssGadget
void gtk_css_gadget_get_border_allocation (GtkCssGadget *gadget,
GtkAllocation *allocation,
int *baseline);
void gtk_css_gadget_get_content_allocation (GtkCssGadget *gadget,
GtkAllocation *allocation,
int *baseline);
G_END_DECLS

11
gtk/gtklabel.c
View File

@ -3403,16 +3403,18 @@ gtk_label_update_layout_width (GtkLabel *label)
if (priv->ellipsize || priv->wrap)
{
GtkAllocation allocation;
GtkBorder border;
PangoRectangle logical;
gint width, height;
gtk_css_gadget_get_content_allocation (priv->gadget, &allocation, NULL);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
_gtk_misc_get_padding_and_border (GTK_MISC (label), &border);
G_GNUC_END_IGNORE_DEPRECATIONS
width = gtk_widget_get_allocated_width (GTK_WIDGET (label)) - border.left - border.right;
height = gtk_widget_get_allocated_height (GTK_WIDGET (label)) - border.top - border.bottom;
width = allocation.width - border.left - border.right;
height = allocation.height - border.top - border.bottom;
if (priv->have_transform)
{
@ -4011,12 +4013,13 @@ G_GNUC_END_IGNORE_DEPRECATIONS
req_width += border.left + border.right;
req_height += border.top + border.bottom;
gtk_widget_get_allocation (widget, &allocation);
gtk_css_gadget_get_content_allocation (priv->gadget,
&allocation,
&baseline);
x = floor (allocation.x + border.left + xalign * (allocation.width - req_width) - logical.x);
baseline_offset = 0;
baseline = gtk_widget_get_allocated_baseline (widget);
if (baseline != -1 && !priv->have_transform)
{
layout_baseline = pango_layout_get_baseline (priv->layout) / PANGO_SCALE;