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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2009-2010 Vic Lee
* Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
* Copyright (C) 2016-2023 Antenore Gatta, Giovanni Panozzo
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
#include <glib/gi18n.h>
#include "remmina_key_chooser.h"
#include "remmina_public.h"
#include "remmina/remmina_trace_calls.h"
/* Handle key-presses on the GtkEventBox */
static gboolean remmina_key_chooser_dialog_on_key_press(GtkWidget *widget, GdkEventKey *event, RemminaKeyChooserArguments *arguments)
{
TRACE_CALL(__func__);
if (!arguments->use_modifiers || !event->is_modifier) {
arguments->state = event->state;
arguments->keyval = gdk_keyval_to_lower(event->keyval);
gtk_dialog_response(GTK_DIALOG(gtk_widget_get_toplevel(widget)),
event->keyval == GDK_KEY_Escape ? GTK_RESPONSE_CANCEL : GTK_RESPONSE_OK);
}
return TRUE;
}
/* User option to use key modifiers when selecting keyboard shortcuts */
void remmina_key_chooser_dialog_set_option_modifier(GtkWidget *widget, gboolean state, RemminaKeyChooserArguments *arguments)
{
TRACE_CALL(__func__);
gtk_switch_set_state(GTK_SWITCH(widget), state);
arguments->use_modifiers = state;
}
/* Show a key chooser dialog and return the keyval for the selected key */
RemminaKeyChooserArguments* remmina_key_chooser_new(GtkWindow *parent_window, gboolean use_modifiers)
{
TRACE_CALL(__func__);
GtkBuilder *builder = remmina_public_gtk_builder_new_from_resource ("/org/remmina/Remmina/src/../data/ui/remmina_key_chooser.glade");
GtkDialog *dialog;
RemminaKeyChooserArguments *arguments;
arguments = g_new0(RemminaKeyChooserArguments, 1);
arguments->state = 0;
arguments->use_modifiers = use_modifiers;
/* Setup the dialog */
dialog = GTK_DIALOG(gtk_builder_get_object(builder, "KeyChooserDialog"));
gtk_window_set_transient_for(GTK_WINDOW(dialog), parent_window);
/* Connect the key modifier switch signal */
g_signal_connect(gtk_builder_get_object(builder, "switch_option_key_modifier"), "state-set",
G_CALLBACK(remmina_key_chooser_dialog_set_option_modifier), arguments);
/* Connect the GtkEventBox signal */
g_signal_connect(gtk_builder_get_object(builder, "eventbox_key_chooser"), "key-press-event",
G_CALLBACK(remmina_key_chooser_dialog_on_key_press), arguments);
/* Show the dialog and destroy it after the use */
arguments->response = gtk_dialog_run(dialog);
gtk_widget_destroy(GTK_WIDGET(dialog));
/* The delete button set the keyval 0 */
if (arguments->response == GTK_RESPONSE_REJECT)
arguments->keyval = 0;
return arguments;
}
/* Get the uppercase character value of a keyval */
gchar* remmina_key_chooser_get_value(guint keyval, guint state)
{
TRACE_CALL(__func__);
if (!keyval)
return g_strdup(KEY_CHOOSER_NONE);
return g_strdup_printf("%s%s%s%s%s%s%s",
(state & GDK_SHIFT_MASK) ? KEY_MODIFIER_SHIFT : "",
(state & GDK_CONTROL_MASK) ? KEY_MODIFIER_CTRL : "",
(state & GDK_MOD1_MASK) ? KEY_MODIFIER_ALT : "",
(state & GDK_SUPER_MASK) ? KEY_MODIFIER_SUPER : "",
(state & GDK_HYPER_MASK) ? KEY_MODIFIER_HYPER : "",
(state & GDK_META_MASK) ? KEY_MODIFIER_META : "",
gdk_keyval_name(gdk_keyval_to_upper(keyval)));
}
/* Get the keyval of a (lowercase) character value */
guint remmina_key_chooser_get_keyval(const gchar *value)
{
TRACE_CALL(__func__);
gchar *patterns[] =
{
KEY_MODIFIER_SHIFT,
KEY_MODIFIER_CTRL,
KEY_MODIFIER_ALT,
KEY_MODIFIER_SUPER,
KEY_MODIFIER_HYPER,
KEY_MODIFIER_META,
NULL
};
gint i;
gchar *tmpvalue;
gchar *newvalue;
guint keyval;
if (g_strcmp0(value, KEY_CHOOSER_NONE) == 0)
return 0;
/* Remove any modifier text before to get the keyval */
newvalue = g_strdup(value);
for (i = 0; i < g_strv_length(patterns); i++) {
tmpvalue = remmina_public_str_replace(newvalue, patterns[i], "");
g_free(newvalue);
newvalue = g_strdup(tmpvalue);
g_free(tmpvalue);
}
keyval = gdk_keyval_to_lower(gdk_keyval_from_name(newvalue));
g_free(newvalue);
return keyval;
}
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