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gtk2/testsuite/gtk/grid-layout.c
Yuri Chornoivan 01bd4cc4e1 Fix minor typos
2020-05-28 11:00:03 +03:00

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/* Copyright (C) 2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#define GTK_TYPE_GIZMO (gtk_gizmo_get_type ())
#define GTK_GIZMO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_GIZMO, GtkGizmo))
#define GTK_GIZMO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_GIZMO, GtkGizmoClass))
#define GTK_IS_GIZMO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_GIZMO))
#define GTK_IS_GIZMO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_GIZMO))
#define GTK_GIZMO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_GIZMO, GtkGizmoClass))
typedef struct _GtkGizmo GtkGizmo;
struct _GtkGizmo {
GtkWidget parent;
const char *name;
int min_width;
int min_height;
int nat_width;
int nat_height;
int width;
int height;
};
typedef GtkWidgetClass GtkGizmoClass;
G_DEFINE_TYPE (GtkGizmo, gtk_gizmo, GTK_TYPE_WIDGET);
static void
gtk_gizmo_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
GtkGizmo *self = GTK_GIZMO (widget);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
*minimum = self->min_width;
*natural = self->nat_width;
}
else
{
*minimum = self->min_height;
*natural = self->nat_height;
}
}
static void
gtk_gizmo_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
GtkGizmo *self = GTK_GIZMO (widget);
self->width = width;
self->height = height;
}
static void
gtk_gizmo_class_init (GtkGizmoClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->measure = gtk_gizmo_measure;
widget_class->size_allocate = gtk_gizmo_size_allocate;
}
static void
gtk_gizmo_init (GtkGizmo *self)
{
}
/* Create a grid with three children in row
*
* +--------+--------+--------+
* | child1 | child2 | child3 |
* +--------+--------+--------+
*
* Verify that
* - the layout has the expected min and nat sizes
* - the children get their nat width when the layout does
* - they all get the same height
*/
static void
test_simple_row (void)
{
GtkWidget *window;
GtkWidget *parent;
GtkLayoutManager *layout;
GtkGizmo *child1;
GtkGizmo *child2;
GtkGizmo *child3;
GtkLayoutChild *lc;
int minimum, natural;
window = gtk_window_new ();
parent = g_object_new (GTK_TYPE_GIZMO, NULL);
gtk_window_set_child (GTK_WINDOW (window), parent);
layout = gtk_grid_layout_new ();
gtk_widget_set_layout_manager (parent, layout);
child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
child1->name = "child1";
child1->min_width = 10;
child1->min_height = 10;
child1->nat_width = 20;
child1->nat_height = 20;
child2->name = "child2";
child2->min_width = 20;
child2->min_height = 20;
child2->nat_width = 30;
child2->nat_height = 30;
child3->name = "child3";
child3->min_width = 30;
child3->min_height = 30;
child3->nat_width = 40;
child3->nat_height = 40;
gtk_widget_set_parent (GTK_WIDGET (child1), parent);
gtk_widget_set_parent (GTK_WIDGET (child2), parent);
gtk_widget_set_parent (GTK_WIDGET (child3), parent);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 2);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_HORIZONTAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 10 + 20 + 30);
g_assert_cmpint (natural, ==, 20 + 30 + 40);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_VERTICAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 30);
g_assert_cmpint (natural, ==, 40);
gtk_layout_manager_allocate (layout, parent, 90, 40, 0);
g_assert_cmpint (child1->width, ==, 20);
g_assert_cmpint (child2->width, ==, 30);
g_assert_cmpint (child3->width, ==, 40);
g_assert_cmpint (child1->height, ==, 40);
g_assert_cmpint (child2->height, ==, 40);
g_assert_cmpint (child3->height, ==, 40);
gtk_widget_unparent (GTK_WIDGET (child1));
gtk_widget_unparent (GTK_WIDGET (child2));
gtk_widget_unparent (GTK_WIDGET (child3));
gtk_window_destroy (GTK_WINDOW (window));
}
/* same as the previous test, with a column
*/
static void
test_simple_column (void)
{
GtkWidget *window;
GtkWidget *parent;
GtkLayoutManager *layout;
GtkGizmo *child1;
GtkGizmo *child2;
GtkGizmo *child3;
GtkLayoutChild *lc;
int minimum, natural;
window = gtk_window_new ();
parent = g_object_new (GTK_TYPE_GIZMO, NULL);
gtk_window_set_child (GTK_WINDOW (window), parent);
layout = gtk_grid_layout_new ();
gtk_widget_set_layout_manager (parent, layout);
child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
child1->name = "child1";
child1->min_width = 10;
child1->min_height = 10;
child1->nat_width = 20;
child1->nat_height = 20;
child2->name = "child2";
child2->min_width = 20;
child2->min_height = 20;
child2->nat_width = 30;
child2->nat_height = 30;
child3->name = "child3";
child3->min_width = 30;
child3->min_height = 30;
child3->nat_width = 40;
child3->nat_height = 40;
gtk_widget_set_parent (GTK_WIDGET (child1), parent);
gtk_widget_set_parent (GTK_WIDGET (child2), parent);
gtk_widget_set_parent (GTK_WIDGET (child3), parent);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 2);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_HORIZONTAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 30);
g_assert_cmpint (natural, ==, 40);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_VERTICAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 10 + 20 + 30);
g_assert_cmpint (natural, ==, 20 + 30 + 40);
gtk_layout_manager_allocate (layout, parent, 40, 90, 0);
g_assert_cmpint (child1->width, ==, 40);
g_assert_cmpint (child2->width, ==, 40);
g_assert_cmpint (child3->width, ==, 40);
g_assert_cmpint (child1->height, ==, 20);
g_assert_cmpint (child2->height, ==, 30);
g_assert_cmpint (child3->height, ==, 40);
gtk_widget_unparent (GTK_WIDGET (child1));
gtk_widget_unparent (GTK_WIDGET (child2));
gtk_widget_unparent (GTK_WIDGET (child3));
gtk_window_destroy (GTK_WINDOW (window));
}
/* Create a grid with spanning children
*
* +--------+-----------------+
* | child1 | child2 |
* +--------+--------+--------+
* | child3 | child4 |
* +-----------------+--------+
*
* Verify that
* - the layout has the expected min and nat sizes
* - the children get their nat width when the layout does
*/
static void
test_spans (void)
{
GtkWidget *window;
GtkWidget *parent;
GtkLayoutManager *layout;
GtkGizmo *child1;
GtkGizmo *child2;
GtkGizmo *child3;
GtkGizmo *child4;
GtkLayoutChild *lc;
int minimum, natural;
window = gtk_window_new ();
parent = g_object_new (GTK_TYPE_GIZMO, NULL);
gtk_window_set_child (GTK_WINDOW (window), parent);
layout = gtk_grid_layout_new ();
gtk_widget_set_layout_manager (parent, layout);
child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
child4 = g_object_new (GTK_TYPE_GIZMO, NULL);
child1->name = "child1";
child1->min_width = 10;
child1->min_height = 10;
child1->nat_width = 20;
child1->nat_height = 20;
child2->name = "child2";
child2->min_width = 20;
child2->min_height = 20;
child2->nat_width = 30;
child2->nat_height = 30;
child3->name = "child3";
child3->min_width = 30;
child3->min_height = 30;
child3->nat_width = 40;
child3->nat_height = 40;
child4->name = "child4";
child4->min_width = 30;
child4->min_height = 30;
child4->nat_width = 40;
child4->nat_height = 40;
gtk_widget_set_parent (GTK_WIDGET (child1), parent);
gtk_widget_set_parent (GTK_WIDGET (child2), parent);
gtk_widget_set_parent (GTK_WIDGET (child3), parent);
gtk_widget_set_parent (GTK_WIDGET (child4), parent);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (lc), 2);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (lc), 2);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child4));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 2);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_HORIZONTAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 60);
g_assert_cmpint (natural, ==, 80);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_VERTICAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 50);
g_assert_cmpint (natural, ==, 70);
gtk_layout_manager_allocate (layout, parent, 80, 70, 0);
g_assert_cmpint (child1->width, ==, 30);
g_assert_cmpint (child2->width, ==, 50);
g_assert_cmpint (child3->width, ==, 40);
g_assert_cmpint (child4->width, ==, 40);
g_assert_cmpint (child1->height, ==, 30);
g_assert_cmpint (child2->height, ==, 30);
g_assert_cmpint (child3->height, ==, 40);
g_assert_cmpint (child4->height, ==, 40);
gtk_widget_unparent (GTK_WIDGET (child1));
gtk_widget_unparent (GTK_WIDGET (child2));
gtk_widget_unparent (GTK_WIDGET (child3));
gtk_widget_unparent (GTK_WIDGET (child4));
gtk_window_destroy (GTK_WINDOW (window));
}
/* Create a 2x2 homogeneous grid and verify
* all children get the same size.
*/
static void
test_homogeneous (void)
{
GtkWidget *window;
GtkWidget *parent;
GtkLayoutManager *layout;
GtkGizmo *child1;
GtkGizmo *child2;
GtkGizmo *child3;
GtkGizmo *child4;
GtkLayoutChild *lc;
int minimum, natural;
window = gtk_window_new ();
parent = g_object_new (GTK_TYPE_GIZMO, NULL);
gtk_window_set_child (GTK_WINDOW (window), parent);
layout = gtk_grid_layout_new ();
gtk_grid_layout_set_row_homogeneous (GTK_GRID_LAYOUT (layout), TRUE);
gtk_grid_layout_set_column_homogeneous (GTK_GRID_LAYOUT (layout), TRUE);
gtk_widget_set_layout_manager (parent, layout);
child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
child4 = g_object_new (GTK_TYPE_GIZMO, NULL);
child1->name = "child1";
child1->min_width = 10;
child1->min_height = 10;
child1->nat_width = 20;
child1->nat_height = 20;
child2->name = "child2";
child2->min_width = 20;
child2->min_height = 20;
child2->nat_width = 30;
child2->nat_height = 30;
child3->name = "child3";
child3->min_width = 30;
child3->min_height = 30;
child3->nat_width = 40;
child3->nat_height = 40;
child4->name = "child4";
child4->min_width = 30;
child4->min_height = 30;
child4->nat_width = 40;
child4->nat_height = 40;
gtk_widget_set_parent (GTK_WIDGET (child1), parent);
gtk_widget_set_parent (GTK_WIDGET (child2), parent);
gtk_widget_set_parent (GTK_WIDGET (child3), parent);
gtk_widget_set_parent (GTK_WIDGET (child4), parent);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child4));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_HORIZONTAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 60);
g_assert_cmpint (natural, ==, 80);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_VERTICAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 60);
g_assert_cmpint (natural, ==, 80);
gtk_layout_manager_allocate (layout, parent, 80, 80, 0);
g_assert_cmpint (child1->width, ==, 40);
g_assert_cmpint (child2->width, ==, 40);
g_assert_cmpint (child3->width, ==, 40);
g_assert_cmpint (child4->width, ==, 40);
g_assert_cmpint (child1->height, ==, 40);
g_assert_cmpint (child2->height, ==, 40);
g_assert_cmpint (child3->height, ==, 40);
g_assert_cmpint (child4->height, ==, 40);
gtk_widget_unparent (GTK_WIDGET (child1));
gtk_widget_unparent (GTK_WIDGET (child2));
gtk_widget_unparent (GTK_WIDGET (child3));
gtk_widget_unparent (GTK_WIDGET (child4));
gtk_window_destroy (GTK_WINDOW (window));
}
/* Create a layout with three children
*
* +--------+--------+
* | child1 | child2 |
* +--------+--------+
* | child3 |
* +-----------------+
*
* This is a layout that we also reproduce with
* constraints, for comparison. Among the constraints:
* - child1.width == child2.width
* - child1.height == child2.height == child3.height
*/
static void
test_simple_layout (void)
{
GtkWidget *window;
GtkWidget *parent;
GtkLayoutManager *layout;
GtkLayoutChild *lc;
GtkGizmo *child1;
GtkGizmo *child2;
GtkGizmo *child3;
int minimum, natural;
window = gtk_window_new ();
parent = g_object_new (GTK_TYPE_GIZMO, NULL);
gtk_window_set_child (GTK_WINDOW (window), parent);
layout = gtk_grid_layout_new ();
gtk_grid_layout_set_row_homogeneous (GTK_GRID_LAYOUT (layout), TRUE);
gtk_grid_layout_set_column_homogeneous (GTK_GRID_LAYOUT (layout), TRUE);
gtk_widget_set_layout_manager (parent, layout);
child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
child1->name = "child1";
child1->min_width = 10;
child1->min_height = 10;
child1->nat_width = 50;
child1->nat_height = 50;
child2->name = "child2";
child2->min_width = 20;
child2->min_height = 20;
child2->nat_width = 50;
child2->nat_height = 50;
child3->name = "child3";
child3->min_width = 50;
child3->min_height = 10;
child3->nat_width = 50;
child3->nat_height = 50;
gtk_widget_set_parent (GTK_WIDGET (child1), parent);
gtk_widget_set_parent (GTK_WIDGET (child2), parent);
gtk_widget_set_parent (GTK_WIDGET (child3), parent);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (lc), 2);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_HORIZONTAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 50);
g_assert_cmpint (natural, ==, 100);
gtk_layout_manager_measure (layout,
parent,
GTK_ORIENTATION_VERTICAL,
-1,
&minimum,
&natural,
NULL,
NULL);
g_assert_cmpint (minimum, ==, 40);
g_assert_cmpint (natural, ==, 100);
gtk_layout_manager_allocate (layout, parent, 100, 100, 0);
g_assert_cmpint (child1->width, ==, 50);
g_assert_cmpint (child2->width, ==, 50);
g_assert_cmpint (child3->width, ==, 100);
g_assert_cmpint (child1->height, ==, 50);
g_assert_cmpint (child2->height, ==, 50);
g_assert_cmpint (child3->height, ==, 50);
gtk_widget_unparent (GTK_WIDGET (child1));
gtk_widget_unparent (GTK_WIDGET (child2));
gtk_widget_unparent (GTK_WIDGET (child3));
gtk_window_destroy (GTK_WINDOW (window));
}
int
main (int argc,
char *argv[])
{
gtk_test_init (&argc, &argv);
g_test_add_func ("/grid-layout/row", test_simple_row);
g_test_add_func ("/grid-layout/column", test_simple_column);
g_test_add_func ("/grid-layout/span", test_spans);
g_test_add_func ("/grid-layout/homogeneous", test_homogeneous);
g_test_add_func ("/grid-layout/simple", test_simple_layout);
return g_test_run();
}
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