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gnome-control-center/panels/keyboard/cc-input-source.c
Daniel Baumann 0a49575b51
Adding upstream version 1:48.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 19:52:18 +02:00

161 lines
4.3 KiB
C

/*
* Copyright © 2018 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "cc-input-source.h"
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/wayland/gdkwayland.h>
#endif
enum
{
SIGNAL_LABEL_CHANGED,
SIGNAL_LAST
};
static guint signals[SIGNAL_LAST] = {0};
G_DEFINE_TYPE (CcInputSource, cc_input_source, G_TYPE_OBJECT)
void
cc_input_source_class_init (CcInputSourceClass *klass)
{
signals[SIGNAL_LABEL_CHANGED] =
g_signal_new ("label-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
NULL,
G_TYPE_NONE,
0);
}
void
cc_input_source_init (CcInputSource *source)
{
}
void
cc_input_source_emit_label_changed (CcInputSource *source)
{
g_return_if_fail (CC_IS_INPUT_SOURCE (source));
g_signal_emit (source, signals[SIGNAL_LABEL_CHANGED], 0);
}
gchar *
cc_input_source_get_label (CcInputSource *source)
{
g_return_val_if_fail (CC_IS_INPUT_SOURCE (source), NULL);
return CC_INPUT_SOURCE_GET_CLASS (source)->get_label (source);
}
gboolean
cc_input_source_matches (CcInputSource *source,
CcInputSource *source2)
{
g_return_val_if_fail (CC_IS_INPUT_SOURCE (source), FALSE);
return CC_INPUT_SOURCE_GET_CLASS (source)->matches (source, source2);
}
const gchar *
cc_input_source_get_layout (CcInputSource *source)
{
g_return_val_if_fail (CC_IS_INPUT_SOURCE (source), NULL);
return CC_INPUT_SOURCE_GET_CLASS (source)->get_layout (source);
}
const gchar *
cc_input_source_get_layout_variant (CcInputSource *source)
{
g_return_val_if_fail (CC_IS_INPUT_SOURCE (source), NULL);
return CC_INPUT_SOURCE_GET_CLASS (source)->get_layout_variant (source);
}
static void
launch_viewer (CcInputSource *source,
const gchar *handle)
{
const gchar *layout, *layout_variant;
g_autoptr(GPtrArray) argv = NULL;
g_autofree gchar *layout_desc = NULL;
argv = g_ptr_array_new ();
g_ptr_array_add (argv, KEYBOARD_PREVIEWER_EXEC);
if (handle)
{
g_ptr_array_add (argv, "--parent-handle");
g_ptr_array_add (argv, (gpointer) handle);
}
layout = cc_input_source_get_layout (source);
layout_variant = cc_input_source_get_layout_variant (source);
if (layout_variant && layout_variant[0])
layout_desc = g_strdup_printf ("%s+%s", layout, layout_variant);
else
layout_desc = g_strdup_printf ("%s", layout);
g_ptr_array_add (argv, layout_desc);
g_ptr_array_add (argv, NULL);
g_debug ("Launching keyboard previewer with layout: '%s'\n", layout_desc);
g_spawn_async (NULL, (gchar **) argv->pdata, NULL,
G_SPAWN_DEFAULT, NULL, NULL, NULL, NULL);
}
#ifdef GDK_WINDOWING_WAYLAND
static void
toplevel_handle_exported (GdkToplevel *toplevel,
const gchar *handle,
gpointer user_data)
{
CcInputSource *source = user_data;
launch_viewer (source, handle);
}
#endif
void
cc_input_source_launch_previewer (CcInputSource *source,
GtkWidget *requester)
{
GdkDisplay *display G_GNUC_UNUSED;
g_return_if_fail (CC_IS_INPUT_SOURCE (source));
#ifdef GDK_WINDOWING_WAYLAND
display = gtk_widget_get_display (GTK_WIDGET (requester));
if (GDK_IS_WAYLAND_DISPLAY (display))
{
GtkRoot *root = gtk_widget_get_root (GTK_WIDGET (requester));
GdkSurface *surface = gtk_native_get_surface (GTK_NATIVE (root));
gdk_wayland_toplevel_export_handle (GDK_TOPLEVEL (surface),
toplevel_handle_exported,
source,
NULL);
}
else
#endif
{
launch_viewer (source, NULL);
}
}