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grid: Implement support for CSS border-spacing

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This commit is contained in:
Benjamin Otte 2016-12-10 04:32:19 +01:00
parent 404cdd5d02
commit 0eecc6f686
1 changed files with 42 additions and 25 deletions
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67
gtk/gtkgrid.c
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@ -28,6 +28,8 @@
#include "gtkwidgetprivate.h" #include "gtkwidgetprivate.h"
#include "gtkcontainerprivate.h" #include "gtkcontainerprivate.h"
#include "gtkcsscustomgadgetprivate.h" #include "gtkcsscustomgadgetprivate.h"
#include "gtkcsspositionvalueprivate.h"
#include "gtkstylecontextprivate.h"
#include "gtkprivate.h" #include "gtkprivate.h"
#include "gtkintl.h" #include "gtkintl.h"
@ -549,6 +551,23 @@ gtk_grid_child_type (GtkContainer *container)
return GTK_TYPE_WIDGET; return GTK_TYPE_WIDGET;
} }
static int
get_spacing (GtkGrid *grid,
GtkOrientation orientation)
{
GtkGridPrivate *priv = grid->priv;
GtkCssValue *border_spacing;
gint css_spacing;
border_spacing = _gtk_style_context_peek_property (gtk_widget_get_style_context (GTK_WIDGET (grid)), GTK_CSS_PROPERTY_BORDER_SPACING);
if (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->linedata[orientation].spacing;
}
/* Calculates the min and max numbers for both orientations. /* Calculates the min and max numbers for both orientations.
*/ */
static void static void
@ -626,19 +645,16 @@ compute_allocation_for_child (GtkGridRequest *request,
GtkGridChild *child, GtkGridChild *child,
GtkOrientation orientation) GtkOrientation orientation)
{ {
GtkGridPrivate *priv = request->grid->priv;
GtkGridLineData *linedata;
GtkGridLines *lines; GtkGridLines *lines;
GtkGridLine *line; GtkGridLine *line;
GtkGridChildAttach *attach; GtkGridChildAttach *attach;
gint size; gint size;
gint i; gint i;
linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
attach = &child->attach[orientation]; attach = &child->attach[orientation];
size = (attach->span - 1) * linedata->spacing; size = (attach->span - 1) * get_spacing (request->grid, orientation);
for (i = 0; i < attach->span; i++) for (i = 0; i < attach->span; i++)
{ {
line = &lines->lines[attach->pos - lines->min + i]; line = &lines->lines[attach->pos - lines->min + i];
@ -831,6 +847,7 @@ gtk_grid_request_spanning (GtkGridRequest *request,
gint span_natural; gint span_natural;
gint span_expand; gint span_expand;
gboolean force_expand; gboolean force_expand;
gint spacing;
gint extra; gint extra;
gint expand; gint expand;
gint line_extra; gint line_extra;
@ -838,6 +855,7 @@ gtk_grid_request_spanning (GtkGridRequest *request,
linedata = &priv->linedata[orientation]; linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
spacing = get_spacing (request->grid, orientation);
for (list = priv->children; list; list = list->next) for (list = priv->children; list; list = list->next)
{ {
@ -853,8 +871,8 @@ gtk_grid_request_spanning (GtkGridRequest *request,
/* We ignore baselines for spanning children */ /* We ignore baselines for spanning children */
compute_request_for_child (request, child, orientation, contextual, &minimum, &natural, NULL, NULL); compute_request_for_child (request, child, orientation, contextual, &minimum, &natural, NULL, NULL);
span_minimum = (attach->span - 1) * linedata->spacing; span_minimum = (attach->span - 1) * spacing;
span_natural = (attach->span - 1) * linedata->spacing; span_natural = (attach->span - 1) * spacing;
span_expand = 0; span_expand = 0;
force_expand = FALSE; force_expand = FALSE;
for (i = 0; i < attach->span; i++) for (i = 0; i < attach->span; i++)
@ -886,7 +904,7 @@ gtk_grid_request_spanning (GtkGridRequest *request,
{ {
gint total, m; gint total, m;
total = minimum - (attach->span - 1) * linedata->spacing; total = minimum - (attach->span - 1) * spacing;
m = total / attach->span + (total % attach->span ? 1 : 0); m = total / attach->span + (total % attach->span ? 1 : 0);
for (i = 0; i < attach->span; i++) for (i = 0; i < attach->span; i++)
{ {
@ -918,7 +936,7 @@ gtk_grid_request_spanning (GtkGridRequest *request,
{ {
gint total, n; gint total, n;
total = natural - (attach->span - 1) * linedata->spacing; total = natural - (attach->span - 1) * spacing;
n = total / attach->span + (total % attach->span ? 1 : 0); n = total / attach->span + (total % attach->span ? 1 : 0);
for (i = 0; i < attach->span; i++) for (i = 0; i < attach->span; i++)
{ {
@ -1071,16 +1089,16 @@ gtk_grid_request_sum (GtkGridRequest *request,
gint *natural_baseline) gint *natural_baseline)
{ {
GtkGridPrivate *priv = request->grid->priv; GtkGridPrivate *priv = request->grid->priv;
GtkGridLineData *linedata;
GtkGridLines *lines; GtkGridLines *lines;
gint i; gint i;
gint min, nat; gint min, nat;
gint nonempty; gint nonempty;
gint spacing;
gtk_grid_request_compute_expand (request, orientation, G_MININT, G_MAXINT, &nonempty, NULL); gtk_grid_request_compute_expand (request, orientation, G_MININT, G_MAXINT, &nonempty, NULL);
linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
spacing = get_spacing (request->grid, orientation);
min = 0; min = 0;
nat = 0; nat = 0;
@ -1101,16 +1119,16 @@ gtk_grid_request_sum (GtkGridRequest *request,
if (!lines->lines[i].empty) if (!lines->lines[i].empty)
{ {
min += linedata->spacing; min += spacing;
nat += linedata->spacing; nat += spacing;
} }
} }
/* Remove last spacing, if any was applied */ /* Remove last spacing, if any was applied */
if (nonempty > 0) if (nonempty > 0)
{ {
min -= linedata->spacing; min -= spacing;
nat -= linedata->spacing; nat -= spacing;
} }
*minimum = min; *minimum = min;
@ -1226,9 +1244,11 @@ gtk_grid_request_allocate (GtkGridRequest *request,
gint rest; gint rest;
gint size1, size2; gint size1, size2;
gint split, split_pos; gint split, split_pos;
gint spacing;
linedata = &priv->linedata[orientation]; linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
spacing = get_spacing (request->grid, orientation);
baseline = gtk_widget_get_allocated_baseline (GTK_WIDGET (request->grid)); baseline = gtk_widget_get_allocated_baseline (GTK_WIDGET (request->grid));
@ -1243,12 +1263,12 @@ gtk_grid_request_allocate (GtkGridRequest *request,
if (nonempty2 > 0) if (nonempty2 > 0)
{ {
size1 = split_pos - (nonempty1) * linedata->spacing; size1 = split_pos - (nonempty1) * spacing;
size2 = (total_size - split_pos) - (nonempty2 - 1) * linedata->spacing; size2 = (total_size - split_pos) - (nonempty2 - 1) * spacing;
} }
else else
{ {
size1 = total_size - (nonempty1 - 1) * linedata->spacing; size1 = total_size - (nonempty1 - 1) * spacing;
size2 = 0; size2 = 0;
} }
} }
@ -1258,7 +1278,7 @@ gtk_grid_request_allocate (GtkGridRequest *request,
nonempty2 = expand2 = 0; nonempty2 = expand2 = 0;
split = lines->max; split = lines->max;
size1 = total_size - (nonempty1 - 1) * linedata->spacing; size1 = total_size - (nonempty1 - 1) * spacing;
size2 = 0; size2 = 0;
} }
@ -1357,15 +1377,15 @@ gtk_grid_request_position (GtkGridRequest *request,
GtkOrientation orientation) GtkOrientation orientation)
{ {
GtkGridPrivate *priv = request->grid->priv; GtkGridPrivate *priv = request->grid->priv;
GtkGridLineData *linedata;
GtkGridLines *lines; GtkGridLines *lines;
GtkGridLine *line; GtkGridLine *line;
gint position, old_position; gint position, old_position;
int allocated_baseline; int allocated_baseline;
gint spacing;
gint i, j; gint i, j;
linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
spacing = get_spacing (request->grid, orientation);
allocated_baseline = gtk_widget_get_allocated_baseline (GTK_WIDGET(request->grid)); allocated_baseline = gtk_widget_get_allocated_baseline (GTK_WIDGET(request->grid));
@ -1393,7 +1413,7 @@ gtk_grid_request_position (GtkGridRequest *request,
if (!line->empty) if (!line->empty)
{ {
line->position = position; line->position = position;
position += line->allocation + linedata->spacing; position += line->allocation + spacing;
if (orientation == GTK_ORIENTATION_VERTICAL && if (orientation == GTK_ORIENTATION_VERTICAL &&
i + lines->min == priv->baseline_row && i + lines->min == priv->baseline_row &&
@ -1529,14 +1549,11 @@ allocate_child (GtkGridRequest *request,
gint *size, gint *size,
gint *baseline) gint *baseline)
{ {
GtkGridPrivate *priv = request->grid->priv;
GtkGridLineData *linedata;
GtkGridLines *lines; GtkGridLines *lines;
GtkGridLine *line; GtkGridLine *line;
GtkGridChildAttach *attach; GtkGridChildAttach *attach;
gint i; gint i;
linedata = &priv->linedata[orientation];
lines = &request->lines[orientation]; lines = &request->lines[orientation];
attach = &child->attach[orientation]; attach = &child->attach[orientation];
@ -1546,7 +1563,7 @@ allocate_child (GtkGridRequest *request,
else else
*baseline = -1; *baseline = -1;
*size = (attach->span - 1) * linedata->spacing; *size = (attach->span - 1) * get_spacing (request->grid, orientation);
for (i = 0; i < attach->span; i++) for (i = 0; i < attach->span; i++)
{ {
line = &lines->lines[attach->pos - lines->min + i]; line = &lines->lines[attach->pos - lines->min + i];