gtk/tests/testgrid.c
2017-04-25 20:30:37 +02:00

473 lines
15 KiB
C

#include <gtk/gtk.h>
static GtkWidget *
oriented_test_widget (const gchar *label, const gchar *color)
{
GtkWidget *box;
GtkWidget *widget;
GtkCssProvider *provider;
gchar *data;
widget = gtk_label_new (label);
box = gtk_event_box_new ();
provider = gtk_css_provider_new ();
data = g_strdup_printf ("GtkEventBox { background-color: %s; }", color);
gtk_css_provider_load_from_data (provider, data, -1);
gtk_style_context_add_provider (gtk_widget_get_style_context (box),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_free (data);
g_object_unref (provider);
gtk_container_add (GTK_CONTAINER (box), widget);
return box;
}
static GtkWidget *
test_widget (const gchar *label, const gchar *color)
{
return oriented_test_widget (label, color);
}
static GtkOrientation o;
static gboolean
toggle_orientation (GtkWidget *window, GdkEventButton *event, GtkGrid *grid)
{
o = 1 - o;
gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), o);
return FALSE;
}
static void
simple_grid (void)
{
GtkWidget *window;
GtkWidget *grid;
GtkWidget *test1, *test2, *test3, *test4, *test5, *test6;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Orientation");
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), grid);
g_signal_connect (window, "button-press-event", G_CALLBACK (toggle_orientation), grid);
gtk_grid_set_column_spacing (GTK_GRID (grid), 5);
gtk_grid_set_row_spacing (GTK_GRID (grid), 5);
test1 = test_widget ("1", "red");
gtk_container_add (GTK_CONTAINER (grid), test1);
test2 = test_widget ("2", "green");
gtk_container_add (GTK_CONTAINER (grid), test2);
test3 = test_widget ("3", "blue");
gtk_container_add (GTK_CONTAINER (grid), test3);
test4 = test_widget ("4", "green");
gtk_grid_attach (GTK_GRID (grid), test4, 0, 1, 1, 1);
gtk_widget_set_vexpand (test4, TRUE);
test5 = test_widget ("5", "blue");
gtk_grid_attach_next_to (GTK_GRID (grid), test5, test4, GTK_POS_RIGHT, 2, 1);
test6 = test_widget ("6", "yellow");
gtk_grid_attach (GTK_GRID (grid), test6, -1, 0, 1, 2);
gtk_widget_set_hexpand (test6, TRUE);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, -1) == NULL);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, 0) == test1);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 1, 0) == test2);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), 0, 1) == test4);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 0) == test6);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 1) == test6);
g_assert (gtk_grid_get_child_at (GTK_GRID (grid), -1, 2) == NULL);
gtk_widget_show (window);
}
static void
text_grid (void)
{
GtkWidget *window;
GtkWidget *grid;
GtkWidget *paned1;
GtkWidget *box;
GtkWidget *label;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Height-for-Width");
paned1 = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
gtk_container_add (GTK_CONTAINER (window), paned1);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_paned_pack1 (GTK_PANED (paned1), box, TRUE, FALSE);
gtk_paned_pack2 (GTK_PANED (paned1), gtk_label_new ("Space"), TRUE, FALSE);
grid = gtk_grid_new ();
gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Above"));
gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
gtk_container_add (GTK_CONTAINER (box), grid);
gtk_container_add (GTK_CONTAINER (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
gtk_container_add (GTK_CONTAINER (box), gtk_label_new ("Below"));
label = gtk_label_new ("Some text that may wrap if it has to");
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("1", "red"), 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "blue"), 0, 1, 1, 1);
label = gtk_label_new ("Some text that may wrap if it has to");
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
gtk_widget_show (window);
}
static void
box_comparison (void)
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *box;
GtkWidget *label;
GtkWidget *grid;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Grid vs. Box");
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Above"));
gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (vbox), box);
gtk_box_pack_start (GTK_BOX (box), test_widget ("1", "white"));
label = gtk_label_new ("Some ellipsizing text");
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_box_pack_start (GTK_BOX (box), label);
gtk_box_pack_start (GTK_BOX (box), test_widget ("2", "green"));
label = gtk_label_new ("Some text that may wrap if needed");
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_box_pack_start (GTK_BOX (box), label);
gtk_box_pack_start (GTK_BOX (box), test_widget ("3", "red"));
grid = gtk_grid_new ();
gtk_orientable_set_orientation (GTK_ORIENTABLE (grid), GTK_ORIENTATION_VERTICAL);
gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
gtk_container_add (GTK_CONTAINER (vbox), grid);
gtk_grid_attach (GTK_GRID (grid), test_widget ("1", "white"), 0, 0, 1, 1);
label = gtk_label_new ("Some ellipsizing text");
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_grid_attach (GTK_GRID (grid), label, 1, 0, 1, 1);
gtk_widget_set_hexpand (label, TRUE);
gtk_grid_attach (GTK_GRID (grid), test_widget ("2", "green"), 2, 0, 1, 1);
label = gtk_label_new ("Some text that may wrap if needed");
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_label_set_width_chars (GTK_LABEL (label), 10);
gtk_grid_attach (GTK_GRID (grid), label, 3, 0, 1, 1);
gtk_widget_set_hexpand (label, TRUE);
gtk_grid_attach (GTK_GRID (grid), test_widget ("3", "red"), 4, 0, 1, 1);
gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
gtk_container_add (GTK_CONTAINER (vbox), gtk_label_new ("Below"));
gtk_widget_show (window);
}
static void
empty_line (void)
{
GtkWidget *window;
GtkWidget *grid;
GtkWidget *child;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Empty row");
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), grid);
gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
child = test_widget ("(0, 0)", "red");
gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
gtk_widget_set_hexpand (child, TRUE);
gtk_widget_set_vexpand (child, TRUE);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 0)", "green"), 10, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(10, 1)", "magenta"), 10, 1, 1, 1);
gtk_widget_show (window);
}
static void
empty_grid (void)
{
GtkWidget *window;
GtkWidget *grid;
GtkWidget *child;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Empty grid");
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), grid);
gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
gtk_grid_set_row_homogeneous (GTK_GRID (grid), TRUE);
child = test_widget ("(0, 0)", "red");
gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
gtk_widget_set_hexpand (child, TRUE);
gtk_widget_set_vexpand (child, TRUE);
gtk_widget_show (window);
gtk_widget_hide (child);
}
static void
scrolling (void)
{
GtkWidget *window;
GtkWidget *sw;
GtkWidget *viewport;
GtkWidget *grid;
GtkWidget *child;
gint i;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Scrolling");
sw = gtk_scrolled_window_new (NULL, NULL);
viewport = gtk_viewport_new (NULL, NULL);
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), sw);
gtk_container_add (GTK_CONTAINER (sw), viewport);
gtk_container_add (GTK_CONTAINER (viewport), grid);
child = oriented_test_widget ("#800080", "#800080");
gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
gtk_widget_set_hexpand (child, TRUE);
gtk_widget_set_vexpand (child, TRUE);
for (i = 1; i < 16; i++)
{
gchar *color;
color = g_strdup_printf ("#%02x00%02x", 128 + 8*i, 128 - 8*i);
child = test_widget (color, color);
gtk_grid_attach (GTK_GRID (grid), child, 0, i, i + 1, 1);
gtk_widget_set_hexpand (child, TRUE);
g_free (color);
}
for (i = 1; i < 16; i++)
{
gchar *color;
color = g_strdup_printf ("#%02x00%02x", 128 - 8*i, 128 + 8*i);
child = oriented_test_widget (color, color);
gtk_grid_attach (GTK_GRID (grid), child, i, 0, 1, i);
gtk_widget_set_vexpand (child, TRUE);
g_free (color);
}
gtk_widget_show (window);
}
static void
insert_cb (GtkButton *button, GtkWidget *window)
{
GtkGrid *g, *g1, *g2, *g3, *g4;
GtkWidget *child;
gboolean inserted;
g = GTK_GRID (gtk_bin_get_child (GTK_BIN (window)));
g1 = GTK_GRID (gtk_grid_get_child_at (g, 0, 0));
g2 = GTK_GRID (gtk_grid_get_child_at (g, 1, 0));
g3 = GTK_GRID (gtk_grid_get_child_at (g, 0, 1));
g4 = GTK_GRID (gtk_grid_get_child_at (g, 1, 1));
inserted = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button), "inserted"));
if (inserted)
{
gtk_grid_remove_row (g1, 1);
gtk_grid_remove_column (g2, 1);
gtk_grid_remove_row (g3, 1);
gtk_grid_remove_column (g4, 1);
}
else
{
gtk_grid_insert_row (g1, 1);
gtk_grid_attach (g1, test_widget ("(0, 1)", "red"), 0, 1, 1, 1);
gtk_grid_attach (g1, test_widget ("(2, 1)", "red"), 2, 1, 1, 1);
gtk_grid_insert_column (g2, 1);
gtk_grid_attach (g2, test_widget ("(1, 0)", "red"), 1, 0, 1, 1);
gtk_grid_attach (g2, test_widget ("(1, 2)", "red"), 1, 2, 1, 1);
child = gtk_grid_get_child_at (g3, 0, 0);
gtk_grid_insert_next_to (g3, child, GTK_POS_BOTTOM);
gtk_grid_attach (g3, test_widget ("(0, 1)", "red"), 0, 1, 1, 1);
gtk_grid_attach (g3, test_widget ("(2, 1)", "red"), 2, 1, 1, 1);
child = gtk_grid_get_child_at (g4, 0, 0);
gtk_grid_insert_next_to (g4, child, GTK_POS_RIGHT);
gtk_grid_attach (g4, test_widget ("(1, 0)", "red"), 1, 0, 1, 1);
gtk_grid_attach (g4, test_widget ("(1, 2)", "red"), 1, 2, 1, 1);
gtk_widget_show (GTK_WIDGET (g));
}
gtk_button_set_label (button, inserted ? "Insert" : "Remove");
g_object_set_data (G_OBJECT (button), "inserted", GINT_TO_POINTER (!inserted));
}
static void
insert (void)
{
GtkWidget *window;
GtkWidget *g;
GtkWidget *grid;
GtkWidget *child;
GtkWidget *button;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Insertion / Removal");
g = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (g), 10);
gtk_grid_set_column_spacing (GTK_GRID (g), 10);
gtk_container_add (GTK_CONTAINER (window), g);
grid = gtk_grid_new ();
gtk_grid_attach (GTK_GRID (g), grid, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 0)", "blue"), 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "green"), 1, 0, 1, 2);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 0)", "yellow"), 2, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 1)", "yellow"), 2, 1, 1, 1);
grid = gtk_grid_new ();
gtk_grid_attach (GTK_GRID (g), grid, 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 0)", "blue"), 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "blue"), 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "green"), 0, 1, 2, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 2)", "yellow"), 0, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 2)", "yellow"), 1, 2, 1, 1);
grid = gtk_grid_new ();
gtk_grid_attach (GTK_GRID (g), grid, 0, 1, 1, 1);
child = test_widget ("(0, 0)", "blue");
gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "blue"), 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "green"), 1, 0, 1, 2);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 0)", "yellow"), 2, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(2, 1)", "yellow"), 2, 1, 1, 1);
grid = gtk_grid_new ();
gtk_grid_attach (GTK_GRID (g), grid, 1, 1, 1, 1);
child = test_widget ("(0, 0)", "blue");
gtk_grid_attach (GTK_GRID (grid), child, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 0)", "blue"), 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 1)", "green"), 0, 1, 2, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(0, 2)", "yellow"), 0, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid), test_widget ("(1, 2)", "yellow"), 1, 2, 1, 1);
button = gtk_button_new_with_label ("Insert");
g_signal_connect (button, "clicked", G_CALLBACK (insert_cb), window);
gtk_grid_attach (GTK_GRID (g), button, 0, 2, 2, 1);
gtk_widget_show (window);
}
static void
spanning_grid (void)
{
GtkWidget *window;
GtkWidget *g;
GtkWidget *c;
/* inspired by bug 698660
* the row/column that are empty except for the spanning
* child need to stay collapsed
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Spanning");
g = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), g);
c = test_widget ("0", "blue");
gtk_widget_set_hexpand (c, TRUE);
gtk_grid_attach (GTK_GRID (g), c, 0, 4, 4, 1);
c = test_widget ("1", "green");
gtk_widget_set_vexpand (c, TRUE);
gtk_grid_attach (GTK_GRID (g), c, 4, 0, 1, 4);
c = test_widget ("2", "red");
gtk_widget_set_hexpand (c, TRUE);
gtk_widget_set_vexpand (c, TRUE);
gtk_grid_attach (GTK_GRID (g), c, 3, 3, 1, 1);
c = test_widget ("3", "yellow");
gtk_grid_attach (GTK_GRID (g), c, 0, 3, 2, 1);
c = test_widget ("4", "orange");
gtk_grid_attach (GTK_GRID (g), c, 3, 0, 1, 2);
c = test_widget ("5", "purple");
gtk_grid_attach (GTK_GRID (g), c, 1, 1, 1, 1);
c = test_widget ("6", "white");
gtk_grid_attach (GTK_GRID (g), c, 0, 1, 1, 1);
c = test_widget ("7", "cyan");
gtk_grid_attach (GTK_GRID (g), c, 1, 0, 1, 1);
gtk_widget_show (window);
}
int
main (int argc, char *argv[])
{
gtk_init ();
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
simple_grid ();
text_grid ();
box_comparison ();
empty_line ();
scrolling ();
insert ();
empty_grid ();
spanning_grid ();
gtk_main ();
return 0;
}