gtk2/tests/testlist4.c
Matthias Clasen 386b63b85d scrolledwindow: Don't take adjustments in new()
In 99.9% of all cases, these are just NULL, NULL.
So just do away with these arguments, people can
use the setters for the rare cases where they want
the scrolled window to use a different adjustment.
2020-06-24 11:25:09 -04:00

224 lines
6.1 KiB
C

#include <gtk/gtk.h>
typedef struct
{
GtkApplication parent_instance;
} TestApp;
typedef GtkApplicationClass TestAppClass;
static GType test_app_get_type (void);
G_DEFINE_TYPE (TestApp, test_app, GTK_TYPE_APPLICATION)
static GtkWidget *create_row (const gchar *label);
static void
activate_first_row (GSimpleAction *simple,
GVariant *parameter,
gpointer user_data)
{
const gchar *text = "First row activated (no parameter action)";
g_print ("%s\n", text);
gtk_label_set_label (GTK_LABEL (user_data), text);
}
static void
activate_print_string (GSimpleAction *simple,
GVariant *parameter,
gpointer user_data)
{
const gchar *text = g_variant_get_string (parameter, NULL);
g_print ("%s\n", text);
gtk_label_set_label (GTK_LABEL (user_data), text);
}
static void
activate_print_int (GSimpleAction *simple,
GVariant *parameter,
gpointer user_data)
{
const int value = g_variant_get_int32 (parameter);
gchar *text;
text = g_strdup_printf ("Row %d activated (int action)", value);
g_print ("%s\n", text);
gtk_label_set_label (GTK_LABEL (user_data), text);
}
static void
row_without_gaction_activated_cb (GtkListBox *list,
GtkListBoxRow *row,
gpointer user_data)
{
int index = gtk_list_box_row_get_index (row);
gchar *text;
text = g_strdup_printf ("Row %d activated (signal based)", index);
g_print ("%s\n", text);
gtk_label_set_label (GTK_LABEL (user_data), text);
}
static void
add_separator (GtkListBoxRow *row, GtkListBoxRow *before, gpointer data)
{
if (!before)
return;
gtk_list_box_row_set_header (row, gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
}
static GtkWidget *
create_row (const gchar *text)
{
GtkWidget *row_content, *label;
row_content = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
label = gtk_label_new (text);
gtk_box_append (GTK_BOX (row_content), label);
return row_content;
}
static void
new_window (GApplication *app)
{
GtkWidget *window, *grid, *sw, *list, *label;
GSimpleAction *action;
GtkWidget *row_content;
GtkListBoxRow *row;
gint i;
gchar *text, *text2;
window = gtk_application_window_new (GTK_APPLICATION (app));
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
/* widget creation */
grid = gtk_grid_new ();
gtk_window_set_child (GTK_WINDOW (window), grid);
sw = gtk_scrolled_window_new ();
gtk_widget_set_hexpand (GTK_WIDGET (sw), true);
gtk_widget_set_vexpand (GTK_WIDGET (sw), true);
gtk_grid_attach (GTK_GRID (grid), sw, 0, 0, 1, 1);
list = gtk_list_box_new ();
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
gtk_list_box_set_header_func (GTK_LIST_BOX (list), add_separator, NULL, NULL);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), list);
label = gtk_label_new ("No row activated");
gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
/* no parameter action row */
action = g_simple_action_new ("first-row-action", NULL);
g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (action));
row_content = create_row ("First row (no parameter action)");
gtk_list_box_insert (GTK_LIST_BOX (list), row_content, -1);
row = gtk_list_box_get_row_at_index (GTK_LIST_BOX (list), 0);
gtk_actionable_set_action_name (GTK_ACTIONABLE (row), "win.first-row-action");
g_signal_connect (action, "activate", (GCallback) activate_first_row, label);
/* string action rows */
action = g_simple_action_new ("print-string", G_VARIANT_TYPE_STRING);
g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (action));
for (i = 1; i < 3; i++)
{
text = g_strdup_printf ("Row %d (string action)", i);
row_content = create_row (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row_content, -1);
row = gtk_list_box_get_row_at_index (GTK_LIST_BOX (list), i);
text2 = g_strdup_printf ("Row %d activated (string action)", i);
gtk_actionable_set_action_target (GTK_ACTIONABLE (row), "s", text2);
gtk_actionable_set_action_name (GTK_ACTIONABLE (row), "win.print-string");
}
g_signal_connect (action, "activate", (GCallback) activate_print_string, label);
/* int action rows */
action = g_simple_action_new ("print-int", G_VARIANT_TYPE_INT32);
g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (action));
for (i = 3; i < 5; i++)
{
text = g_strdup_printf ("Row %d (int action)", i);
row_content = create_row (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row_content, -1);
row = gtk_list_box_get_row_at_index (GTK_LIST_BOX (list), i);
gtk_actionable_set_action_target (GTK_ACTIONABLE (row), "i", i);
gtk_actionable_set_action_name (GTK_ACTIONABLE (row), "win.print-int");
}
g_signal_connect (action, "activate", (GCallback) activate_print_int, label);
/* signal based row */
for (i = 5; i < 7; i++)
{
text = g_strdup_printf ("Row %d (signal based)", i);
row_content = create_row (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row_content, -1);
}
g_signal_connect (list, "row-activated",
G_CALLBACK (row_without_gaction_activated_cb), label);
/* let the show begin */
gtk_widget_show (GTK_WIDGET (window));
}
static void
test_app_activate (GApplication *application)
{
new_window (application);
}
static void
test_app_init (TestApp *app)
{
}
static void
test_app_class_init (TestAppClass *class)
{
G_APPLICATION_CLASS (class)->activate = test_app_activate;
}
static TestApp *
test_app_new (void)
{
TestApp *test_app;
g_set_application_name ("Test List 4");
test_app = g_object_new (test_app_get_type (),
"application-id", "org.gtk.testlist4",
"flags", G_APPLICATION_FLAGS_NONE,
NULL);
return test_app;
}
int
main (int argc, char **argv)
{
TestApp *test_app;
int status;
test_app = test_app_new ();
status = g_application_run (G_APPLICATION (test_app), argc, argv);
g_object_unref (test_app);
return status;
}