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box: Implement support for border-spacing

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This commit is contained in:
Benjamin Otte 2016-12-10 03:47:53 +01:00
parent 5aea108802
commit 75c3d193f6
1 changed files with 49 additions and 22 deletions
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71
gtk/gtkbox.c
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@ -86,12 +86,14 @@
#include "gtkcontainerprivate.h"
#include "gtkcsscustomgadgetprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkcsspositionvalueprivate.h"
#include "gtkintl.h"
#include "gtkorientable.h"
#include "gtkorientableprivate.h"
#include "gtkprivate.h"
#include "gtktypebuiltins.h"
#include "gtksizerequest.h"
#include "gtkstylecontextprivate.h"
#include "gtkwidgetpath.h"
#include "gtkwidgetprivate.h"
#include "a11y/gtkcontaineraccessible.h"
@ -441,6 +443,22 @@ count_expand_children (GtkBox *box,
}
}
static gint
get_spacing (GtkBox *box)
{
GtkBoxPrivate *priv = box->priv;
GtkCssValue *border_spacing;
gint css_spacing;
border_spacing = _gtk_style_context_peek_property (gtk_widget_get_style_context (GTK_WIDGET (box)), GTK_CSS_PROPERTY_BORDER_SPACING);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
css_spacing = _gtk_css_position_value_get_x (border_spacing, 100);
else
css_spacing = _gtk_css_position_value_get_y (border_spacing, 100);
return css_spacing + priv->spacing;
}
static void
gtk_box_size_allocate_no_center (GtkWidget *widget,
const GtkAllocation *allocation)
@ -468,6 +486,7 @@ gtk_box_size_allocate_no_center (GtkWidget *widget,
gint n_extra_widgets = 0; /* Number of widgets that receive 1 extra px */
gint x = 0, y = 0, i;
gint child_size;
gint spacing;
count_expand_children (box, &nvis_children, &nexpand_children);
@ -478,11 +497,12 @@ gtk_box_size_allocate_no_center (GtkWidget *widget,
direction = gtk_widget_get_direction (widget);
sizes = g_newa (GtkRequestedSize, nvis_children);
spacing = get_spacing (box);
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
size = allocation->width - (nvis_children - 1) * private->spacing;
size = allocation->width - (nvis_children - 1) * spacing;
else
size = allocation->height - (nvis_children - 1) * private->spacing;
size = allocation->height - (nvis_children - 1) * spacing;
have_baseline = FALSE;
minimum_above = natural_above = 0;
@ -534,9 +554,9 @@ gtk_box_size_allocate_no_center (GtkWidget *widget,
* minimum sizes for children that are not going to fill
*/
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
size = allocation->width - (nvis_children - 1) * private->spacing;
size = allocation->width - (nvis_children - 1) * get_spacing (box);
else
size = allocation->height - (nvis_children - 1) * private->spacing;
size = allocation->height - (nvis_children - 1) * get_spacing (box);
extra = size / nvis_children;
n_extra_widgets = size % nvis_children;
@ -722,11 +742,11 @@ gtk_box_size_allocate_no_center (GtkWidget *widget,
if (packing == GTK_PACK_START)
{
x += child_size + private->spacing;
x += child_size + spacing;
}
else
{
x -= child_size + private->spacing;
x -= child_size + spacing;
child_allocation.x -= child_size;
}
@ -750,11 +770,11 @@ gtk_box_size_allocate_no_center (GtkWidget *widget,
if (packing == GTK_PACK_START)
{
y += child_size + private->spacing;
y += child_size + spacing;
}
else
{
y -= child_size + private->spacing;
y -= child_size + spacing;
child_allocation.y -= child_size;
}
@ -799,6 +819,7 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
gint n_extra_widgets[2];
gint x = 0, y = 0, i;
gint child_size;
gint spacing;
nvis[0] = nvis[1] = 0;
nexp[0] = nexp[1] = 0;
@ -819,6 +840,7 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
sizes[0] = g_newa (GtkRequestedSize, nvis[0]);
sizes[1] = g_newa (GtkRequestedSize, nvis[1]);
spacing = get_spacing (box);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
box_size = allocation->width;
else
@ -828,8 +850,8 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
minimum_above = natural_above = 0;
minimum_below = natural_below = 0;
min_size[0] = nat_size[0] = nvis[0] * priv->spacing;
min_size[1] = nat_size[1] = nvis[1] * priv->spacing;
min_size[0] = nat_size[0] = nvis[0] * spacing;
min_size[1] = nat_size[1] = nvis[1] * spacing;
/* Retrieve desired size for visible children. */
idx[0] = idx[1] = 0;
@ -873,8 +895,8 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
if (priv->homogeneous)
{
extra[0] = ((box_size - center_size) / 2 - nvis[0] * priv->spacing) / nvis[0];
extra[1] = ((box_size - center_size) / 2 - nvis[1] * priv->spacing) / nvis[1];
extra[0] = ((box_size - center_size) / 2 - nvis[0] * spacing) / nvis[0];
extra[1] = ((box_size - center_size) / 2 - nvis[1] * spacing) / nvis[1];
extra[0] = MIN (extra[0], extra[1]);
n_extra_widgets[0] = 0;
}
@ -1061,11 +1083,11 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
if ((packing == GTK_PACK_START && direction == GTK_TEXT_DIR_LTR) ||
(packing == GTK_PACK_END && direction == GTK_TEXT_DIR_RTL))
{
x += child_size + priv->spacing;
x += child_size + spacing;
}
else
{
x -= child_size + priv->spacing;
x -= child_size + spacing;
child_allocation.x -= child_size;
}
}
@ -1084,11 +1106,11 @@ gtk_box_size_allocate_with_center (GtkWidget *widget,
if (packing == GTK_PACK_START)
{
y += child_size + priv->spacing;
y += child_size + spacing;
}
else
{
y -= child_size + priv->spacing;
y -= child_size + spacing;
child_allocation.y -= child_size;
}
}
@ -1579,6 +1601,8 @@ gtk_box_get_size (GtkWidget *widget,
if (nvis_children > 0 && private->orientation == orientation)
{
gint spacing = get_spacing (box);
if (private->homogeneous)
{
if (center_min > 0)
@ -1592,8 +1616,8 @@ gtk_box_get_size (GtkWidget *widget,
natural *= nvis_children;
}
}
minimum += (nvis_children - 1) * private->spacing;
natural += (nvis_children - 1) * private->spacing;
minimum += (nvis_children - 1) * spacing;
natural += (nvis_children - 1) * spacing;
}
minimum = MAX (minimum, minimum_below + minimum_above);
@ -1670,6 +1694,7 @@ gtk_box_compute_size_for_opposing_orientation (GtkBox *box,
gint child_size, child_minimum, child_natural;
gint child_minimum_baseline, child_natural_baseline;
gint n_extra_widgets = 0;
gint spacing;
gboolean have_baseline;
count_expand_children (box, &nvis_children, &nexpand_children);
@ -1677,8 +1702,9 @@ gtk_box_compute_size_for_opposing_orientation (GtkBox *box,
if (nvis_children <= 0)
return;
spacing = get_spacing (box);
sizes = g_newa (GtkRequestedSize, nvis_children);
size = avail_size - (nvis_children - 1) * private->spacing;
size = avail_size - (nvis_children - 1) * spacing;
/* Retrieve desired size for visible children */
for (i = 0, children = private->children; children; children = children->next)
@ -1720,7 +1746,7 @@ gtk_box_compute_size_for_opposing_orientation (GtkBox *box,
/* If were homogenous we still need to run the above loop to get the
* minimum sizes for children that are not going to fill
*/
size = avail_size - (nvis_children - 1) * private->spacing;
size = avail_size - (nvis_children - 1) * spacing;
extra = size / nvis_children;
n_extra_widgets = size % nvis_children;
}
@ -1872,6 +1898,7 @@ gtk_box_compute_size_for_orientation (GtkBox *box,
gint nvis_children = 0;
gint required_size = 0, required_natural = 0, child_size, child_natural;
gint largest_child = 0, largest_natural = 0;
gint spacing = get_spacing (box);
for (children = private->children; children != NULL;
children = children->next)
@ -1908,8 +1935,8 @@ gtk_box_compute_size_for_orientation (GtkBox *box,
required_natural = largest_natural * nvis_children;
}
required_size += (nvis_children - 1) * private->spacing;
required_natural += (nvis_children - 1) * private->spacing;
required_size += (nvis_children - 1) * spacing;
required_natural += (nvis_children - 1) * spacing;
}
if (minimum_size)