Learning_GTK4_tree/demos/icon-browser/iconbrowserapp.c

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#include "config.h"
#include <gtk/gtk.h>
#include "iconbrowserapp.h"
#include "iconbrowserwin.h"
#include "demo_conf.h"
struct _IconBrowserApp
{
GtkApplication parent;
};
struct _IconBrowserAppClass
{
GtkApplicationClass parent_class;
};
G_DEFINE_TYPE(IconBrowserApp, icon_browser_app, GTK_TYPE_APPLICATION);
static void
icon_browser_app_init (IconBrowserApp *app)
{
}
static void
quit_activated (GSimpleAction *action,
GVariant *parameter,
gpointer app)
{
g_application_quit (G_APPLICATION (app));
}
static void
inspector_activated (GSimpleAction *action,
GVariant *parameter,
gpointer app)
{
gtk_window_set_interactive_debugging (TRUE);
}
static void
about_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkApplication *app = user_data;
const char *authors[] = {
"The GTK Team",
NULL
};
char *icon_theme;
char *version;
GString *s;
char *os_name;
char *os_version;
g_object_get (gtk_settings_get_default (),
"gtk-icon-theme-name", &icon_theme,
NULL);
s = g_string_new ("");
os_name = g_get_os_info (G_OS_INFO_KEY_NAME);
os_version = g_get_os_info (G_OS_INFO_KEY_VERSION_ID);
if (os_name && os_version)
g_string_append_printf (s, "OS\t%s %s\n\n", os_name, os_version);
g_string_append (s, "System libraries\n");
g_string_append_printf (s, "\tGLib\t%d.%d.%d\n",
glib_major_version,
glib_minor_version,
glib_micro_version);
g_string_append_printf (s, "\tPango\t%s\n",
pango_version_string ());
g_string_append_printf (s, "\tGTK \t%d.%d.%d\n",
gtk_get_major_version (),
gtk_get_minor_version (),
gtk_get_micro_version ());
g_string_append_printf (s, "\nIcon theme\n\t%s", icon_theme);
version = g_strdup_printf ("%s%s%s\nRunning against GTK %d.%d.%d",
PACKAGE_VERSION,
g_strcmp0 (PROFILE, "devel") == 0 ? "-" : "",
g_strcmp0 (PROFILE, "devel") == 0 ? VCS_TAG : "",
gtk_get_major_version (),
gtk_get_minor_version (),
gtk_get_micro_version ());
gtk_show_about_dialog (GTK_WINDOW (gtk_application_get_active_window (app)),
"program-name", g_strcmp0 (PROFILE, "devel") == 0
? "GTK Icon Browser (Development)"
: "GTK Icon Browser",
"version", version,
"copyright", "©1997—2021 The GTK Team",
"license-type", GTK_LICENSE_LGPL_2_1,
"website", "http://www.gtk.org",
"comments", "Program to browse themed icons",
"authors", authors,
"logo-icon-name", "org.gtk.IconBrowser4",
"title", "About GTK Icon Browser",
"system-information", s->str,
NULL);
g_string_free (s, TRUE);
g_free (version);
g_free (icon_theme);
g_free (os_name);
g_free (os_version);
}
static GActionEntry app_entries[] =
{
{ "quit", quit_activated, NULL, NULL, NULL },
{ "inspector", inspector_activated, NULL, NULL, NULL },
{ "about", about_activated, NULL, NULL, NULL }
};
static void
icon_browser_app_startup (GApplication *app)
{
const char *quit_accels[2] = { "<Ctrl>Q", NULL };
G_APPLICATION_CLASS (icon_browser_app_parent_class)->startup (app);
g_action_map_add_action_entries (G_ACTION_MAP (app),
app_entries, G_N_ELEMENTS (app_entries),
app);
gtk_application_set_accels_for_action (GTK_APPLICATION (app),
"app.quit",
quit_accels);
}
static void
icon_browser_app_activate (GApplication *app)
{
IconBrowserWindow *win;
win = icon_browser_window_new (ICON_BROWSER_APP (app));
if (g_strcmp0 (PROFILE, "devel") == 0)
gtk_widget_add_css_class (GTK_WIDGET (win), "devel");
gtk_window_present (GTK_WINDOW (win));
}
static void
icon_browser_app_class_init (IconBrowserAppClass *class)
{
G_APPLICATION_CLASS (class)->startup = icon_browser_app_startup;
G_APPLICATION_CLASS (class)->activate = icon_browser_app_activate;
}
IconBrowserApp *
icon_browser_app_new (void)
{
return g_object_new (ICON_BROWSER_APP_TYPE,
"application-id", "org.gtk.IconBrowser4",
NULL);
}