Learning_GTK4_tree/demos/constraint-editor/constraint-editor-applicati...

116 lines
3.7 KiB
C

/*
* Copyright © 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 2.1 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/>.
*
* Authors: Matthias Clasen
*/
#include "config.h"
#include "constraint-editor-application.h"
#include "constraint-editor-window.h"
struct _ConstraintEditorApplication
{
GtkApplication parent_instance;
};
G_DEFINE_TYPE(ConstraintEditorApplication, constraint_editor_application, GTK_TYPE_APPLICATION);
static void
constraint_editor_application_init (ConstraintEditorApplication *app)
{
}
static void
quit_activated (GSimpleAction *action,
GVariant *parameter,
gpointer data)
{
g_application_quit (G_APPLICATION (data));
}
static GActionEntry app_entries[] =
{
{ "quit", quit_activated, NULL, NULL, NULL }
};
static void
constraint_editor_application_startup (GApplication *app)
{
const char *quit_accels[2] = { "<Ctrl>Q", NULL };
const char *open_accels[2] = { "<Ctrl>O", NULL };
GtkCssProvider *provider;
G_APPLICATION_CLASS (constraint_editor_application_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);
gtk_application_set_accels_for_action (GTK_APPLICATION (app), "win.open", open_accels);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider, "/org/gtk/gtk4/constraint-editor/constraint-editor.css");
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
static void
constraint_editor_application_activate (GApplication *app)
{
ConstraintEditorWindow *win;
win = constraint_editor_window_new (CONSTRAINT_EDITOR_APPLICATION (app));
gtk_window_present (GTK_WINDOW (win));
}
static void
constraint_editor_application_open (GApplication *app,
GFile **files,
int n_files,
const char *hint)
{
ConstraintEditorWindow *win;
int i;
for (i = 0; i < n_files; i++)
{
win = constraint_editor_window_new (CONSTRAINT_EDITOR_APPLICATION (app));
constraint_editor_window_load (win, files[i]);
gtk_window_present (GTK_WINDOW (win));
}
}
static void
constraint_editor_application_class_init (ConstraintEditorApplicationClass *class)
{
GApplicationClass *application_class = G_APPLICATION_CLASS (class);
application_class->startup = constraint_editor_application_startup;
application_class->activate = constraint_editor_application_activate;
application_class->open = constraint_editor_application_open;
}
ConstraintEditorApplication *
constraint_editor_application_new (void)
{
return g_object_new (CONSTRAINT_EDITOR_APPLICATION_TYPE,
"application-id", "org.gtk.gtk4.ConstraintEditor",
"flags", G_APPLICATION_HANDLES_OPEN,
NULL);
}