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Add a test for the grid layout manager
Test some obvious conditions. This is mainly to test the waters for more intesting tests with other layout managers later.
This commit is contained in:
Matthias Clasen
parent
8fa7de5563
commit
c4fd786866
312
testsuite/gtk/grid-layout.c
Normal file
312
testsuite/gtk/grid-layout.c
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@ -0,0 +1,312 @@
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/* Copyright (C) 2019 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtk/gtk.h>
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#define GTK_TYPE_GIZMO (gtk_gizmo_get_type ())
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#define GTK_GIZMO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_GIZMO, GtkGizmo))
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#define GTK_GIZMO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_GIZMO, GtkGizmoClass))
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#define GTK_IS_GIZMO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_GIZMO))
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#define GTK_IS_GIZMO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_GIZMO))
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#define GTK_GIZMO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_GIZMO, GtkGizmoClass))
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typedef struct _GtkGizmo GtkGizmo;
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struct _GtkGizmo {
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GtkWidget parent;
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const char *name;
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int min_width;
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int min_height;
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int nat_width;
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int nat_height;
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int width;
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int height;
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};
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typedef GtkWidgetClass GtkGizmoClass;
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G_DEFINE_TYPE (GtkGizmo, gtk_gizmo, GTK_TYPE_WIDGET);
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static void
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gtk_gizmo_measure (GtkWidget *widget,
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GtkOrientation orientation,
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int for_size,
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int *minimum,
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int *natural,
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int *minimum_baseline,
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int *natural_baseline)
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{
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GtkGizmo *self = GTK_GIZMO (widget);
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if (orientation == GTK_ORIENTATION_HORIZONTAL)
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{
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*minimum = self->min_width;
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*natural = self->nat_width;
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}
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else
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{
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*minimum = self->min_height;
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*natural = self->nat_height;
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}
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}
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static void
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gtk_gizmo_size_allocate (GtkWidget *widget,
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int width,
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int height,
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int baseline)
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{
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GtkGizmo *self = GTK_GIZMO (widget);
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self->width = width;
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self->height = height;
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}
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static void
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gtk_gizmo_class_init (GtkGizmoClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->measure = gtk_gizmo_measure;
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widget_class->size_allocate = gtk_gizmo_size_allocate;
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}
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static void
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gtk_gizmo_init (GtkGizmo *self)
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{
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}
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/* Create a grid with three children in row
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*
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* +--------+--------+--------+
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* | child1 | child2 | child3 |
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* +--------+--------+--------+
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*
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* Verify that
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* - the layout has the expected min and nat sizes
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* - the children get their nat width when the layout does
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* - they all get the same height
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*/
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static void
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test_simple_row (void)
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{
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GtkWidget *window;
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GtkWidget *parent;
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GtkLayoutManager *layout;
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GtkGizmo *child1;
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GtkGizmo *child2;
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GtkGizmo *child3;
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GtkLayoutChild *lc;
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int minimum, natural;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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parent = g_object_new (GTK_TYPE_GIZMO, NULL);
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gtk_container_add (GTK_CONTAINER (window), parent);
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layout = gtk_grid_layout_new ();
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gtk_widget_set_layout_manager (parent, layout);
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child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child1->name = "child1";
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child1->min_width = 10;
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child1->min_height = 10;
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child1->nat_width = 20;
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child1->nat_height = 20;
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child2->name = "child2";
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child2->min_width = 20;
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child2->min_height = 20;
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child2->nat_width = 30;
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child2->nat_height = 30;
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child3->name = "child3";
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child3->min_width = 30;
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child3->min_height = 30;
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child3->nat_width = 40;
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child3->nat_height = 40;
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gtk_widget_set_parent (GTK_WIDGET (child1), parent);
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gtk_widget_set_parent (GTK_WIDGET (child2), parent);
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gtk_widget_set_parent (GTK_WIDGET (child3), parent);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
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gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
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gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
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gtk_grid_layout_child_set_left_attach (GTK_GRID_LAYOUT_CHILD (lc), 2);
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#if 0
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gtk_widget_show (window);
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g_timeout_add (1000, (GSourceFunc)gtk_main_quit, NULL);
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gtk_main ();
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#endif
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gtk_layout_manager_measure (layout,
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parent,
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GTK_ORIENTATION_HORIZONTAL,
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-1,
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&minimum,
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&natural,
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NULL,
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NULL);
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g_assert (minimum == 10 + 20 + 30);
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g_assert (natural == 20 + 30 + 40);
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gtk_layout_manager_measure (layout,
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parent,
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GTK_ORIENTATION_VERTICAL,
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-1,
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&minimum,
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&natural,
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NULL,
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NULL);
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g_assert (minimum == 30);
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g_assert (natural == 40);
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gtk_layout_manager_allocate (layout, parent, 90, 40, 0);
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g_assert (child1->width == 20);
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g_assert (child2->width == 30);
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g_assert (child3->width == 40);
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g_assert (child1->height == 40);
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g_assert (child2->height == 40);
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g_assert (child3->height == 40);
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gtk_widget_unparent (GTK_WIDGET (child1));
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gtk_widget_unparent (GTK_WIDGET (child2));
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gtk_widget_unparent (GTK_WIDGET (child3));
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gtk_widget_destroy (parent);
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}
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/* same as the previous test, with a column
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*/
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static void
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test_simple_column (void)
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{
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GtkWidget *window;
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GtkWidget *parent;
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GtkLayoutManager *layout;
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GtkGizmo *child1;
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GtkGizmo *child2;
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GtkGizmo *child3;
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GtkLayoutChild *lc;
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int minimum, natural;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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parent = g_object_new (GTK_TYPE_GIZMO, NULL);
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gtk_container_add (GTK_CONTAINER (window), parent);
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layout = gtk_grid_layout_new ();
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gtk_widget_set_layout_manager (parent, layout);
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child1 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child2 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child3 = g_object_new (GTK_TYPE_GIZMO, NULL);
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child1->name = "child1";
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child1->min_width = 10;
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child1->min_height = 10;
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child1->nat_width = 20;
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child1->nat_height = 20;
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child2->name = "child2";
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child2->min_width = 20;
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child2->min_height = 20;
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child2->nat_width = 30;
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child2->nat_height = 30;
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child3->name = "child3";
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child3->min_width = 30;
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child3->min_height = 30;
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child3->nat_width = 40;
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child3->nat_height = 40;
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gtk_widget_set_parent (GTK_WIDGET (child1), parent);
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gtk_widget_set_parent (GTK_WIDGET (child2), parent);
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gtk_widget_set_parent (GTK_WIDGET (child3), parent);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child1));
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gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 0);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child2));
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gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 1);
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lc = gtk_layout_manager_get_layout_child (layout, GTK_WIDGET (child3));
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gtk_grid_layout_child_set_top_attach (GTK_GRID_LAYOUT_CHILD (lc), 2);
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#if 0
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gtk_widget_show (window);
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g_timeout_add (1000, (GSourceFunc)gtk_main_quit, NULL);
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gtk_main ();
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#endif
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gtk_layout_manager_measure (layout,
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parent,
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GTK_ORIENTATION_HORIZONTAL,
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-1,
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&minimum,
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&natural,
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NULL,
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NULL);
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g_assert (minimum == 30);
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g_assert (natural == 40);
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gtk_layout_manager_measure (layout,
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parent,
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GTK_ORIENTATION_VERTICAL,
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-1,
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&minimum,
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&natural,
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NULL,
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NULL);
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g_assert (minimum == 10 + 20 + 30);
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g_assert (natural == 20 + 30 + 40);
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gtk_layout_manager_allocate (layout, parent, 40, 90, 0);
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g_assert (child1->width == 40);
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g_assert (child2->width == 40);
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g_assert (child3->width == 40);
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g_assert (child1->height == 20);
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g_assert (child2->height == 30);
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g_assert (child3->height == 40);
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gtk_widget_unparent (GTK_WIDGET (child1));
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gtk_widget_unparent (GTK_WIDGET (child2));
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gtk_widget_unparent (GTK_WIDGET (child3));
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gtk_widget_destroy (parent);
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}
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int
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main (int argc,
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char *argv[])
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{
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gtk_test_init (&argc, &argv);
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g_test_add_func ("/grid-layout/row", test_simple_row);
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g_test_add_func ("/grid-layout/column", test_simple_column);
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return g_test_run();
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}
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@ -28,6 +28,7 @@ tests = [
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['focus'],
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['gestures'],
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['grid'],
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['grid-layout'],
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['gtkmenu'],
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['icontheme'],
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['keyhash', ['../../gtk/gtkkeyhash.c', gtkresources, '../../gtk/gtkprivate.c'], gtk_cargs],
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