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boxgadget: Implement CSS border-spacing

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This commit is contained in:
Benjamin Otte 2016-12-10 04:19:04 +01:00
parent 75c3d193f6
commit 404cdd5d02
1 changed files with 38 additions and 10 deletions
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48
gtk/gtkboxgadget.c
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@ -22,6 +22,7 @@
#include "gtkboxgadgetprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkcsspositionvalueprivate.h"
#include "gtkmain.h"
#include "gtkprivate.h"
#include "gtksizerequest.h"
@ -116,6 +117,18 @@ effective_align (GtkAlign align,
}
}
static int
get_spacing (GtkCssGadget *gadget)
{
GtkBoxGadgetPrivate *priv = gtk_box_gadget_get_instance_private (GTK_BOX_GADGET (gadget));
GtkCssValue *spacing = gtk_css_style_get_value (gtk_css_gadget_get_style (gadget), GTK_CSS_PROPERTY_BORDER_SPACING);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
return _gtk_css_position_value_get_x (spacing, 100);
else
return _gtk_css_position_value_get_y (spacing, 100);
}
static void
gtk_box_gadget_measure_child (GObject *child,
GtkOrientation orientation,
@ -151,8 +164,11 @@ gtk_box_gadget_distribute (GtkBoxGadget *gadget,
{
GtkBoxGadgetPrivate *priv = gtk_box_gadget_get_instance_private (GTK_BOX_GADGET (gadget));
guint i, n_expand;
gint spacing;
n_expand = 0;
spacing = get_spacing (GTK_CSS_GADGET (gadget));
size += spacing;
for (i = 0 ; i < priv->children->len; i++)
{
@ -163,9 +179,12 @@ gtk_box_gadget_distribute (GtkBoxGadget *gadget,
for_size,
&sizes[i].minimum_size, &sizes[i].natural_size,
NULL, NULL);
if (gtk_box_gadget_child_is_visible (child->object) &&
gtk_box_gadget_child_compute_expand (gadget, child))
n_expand++;
if (gtk_box_gadget_child_is_visible (child->object))
{
size -= spacing;
if (gtk_box_gadget_child_compute_expand (gadget, child))
n_expand++;
}
size -= sizes[i].minimum_size;
}
@ -193,7 +212,6 @@ gtk_box_gadget_distribute (GtkBoxGadget *gadget,
size -= size / n_expand;
n_expand--;
}
}
static void
@ -206,11 +224,13 @@ gtk_box_gadget_measure_orientation (GtkCssGadget *gadget,
gint *natural_baseline)
{
GtkBoxGadgetPrivate *priv = gtk_box_gadget_get_instance_private (GTK_BOX_GADGET (gadget));
gint child_min, child_nat;
guint i;
gint child_min, child_nat, spacing;
guint i, n_visible;
*minimum = 0;
*natural = 0;
spacing = get_spacing (gadget);
n_visible = 0;
for (i = 0 ; i < priv->children->len; i++)
{
@ -224,7 +244,13 @@ gtk_box_gadget_measure_orientation (GtkCssGadget *gadget,
*minimum += child_min;
*natural += child_nat;
if (gtk_box_gadget_child_is_visible (child->object))
n_visible++;
}
*minimum += (MAX (n_visible, 1) - 1) * spacing;
*natural += (MAX (n_visible, 1) - 1) * spacing;
}
static void
@ -415,10 +441,12 @@ gtk_box_gadget_allocate (GtkCssGadget *gadget,
GtkRequestedSize *sizes;
GtkAllocation child_allocation, child_clip;
GtkAlign child_align;
gint spacing;
guint i;
child_allocation = *allocation;
sizes = g_newa (GtkRequestedSize, priv->children->len);
spacing = get_spacing (gadget);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
@ -435,7 +463,7 @@ gtk_box_gadget_allocate (GtkCssGadget *gadget,
child_allocation.height = allocation->height;
child_allocation.y = allocation->y;
if (priv->allocate_reverse)
child_allocation.x -= child_allocation.width;
child_allocation.x -= child_allocation.width + spacing;
child_align = gtk_box_gadget_child_get_align (GTK_BOX_GADGET (gadget), child);
gtk_box_gadget_allocate_child (child->object,
@ -451,7 +479,7 @@ gtk_box_gadget_allocate (GtkCssGadget *gadget,
gdk_rectangle_union (out_clip, &child_clip, out_clip);
if (!priv->allocate_reverse)
child_allocation.x += sizes[idx].minimum_size;
child_allocation.x += sizes[idx].minimum_size + spacing;
}
}
else
@ -469,7 +497,7 @@ gtk_box_gadget_allocate (GtkCssGadget *gadget,
child_allocation.width = allocation->width;
child_allocation.x = allocation->x;
if (priv->allocate_reverse)
child_allocation.y -= child_allocation.height;
child_allocation.y -= child_allocation.height + spacing;
child_align = gtk_box_gadget_child_get_align (GTK_BOX_GADGET (gadget), child);
gtk_box_gadget_allocate_child (child->object,
@ -485,7 +513,7 @@ gtk_box_gadget_allocate (GtkCssGadget *gadget,
gdk_rectangle_union (out_clip, &child_clip, out_clip);
if (!priv->allocate_reverse)
child_allocation.y += sizes[idx].minimum_size;
child_allocation.y += sizes[idx].minimum_size + spacing;
}
}
}