Adding upstream version 1.4.34+dfsg.upstream/1.4.34+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/src/remmina_key_chooser.c b/src/remmina_key_chooser.c
new file mode 100644
index 0000000..69a87c7
--- /dev/null
+++ b/src/remmina_key_chooser.c
@@ -0,0 +1,146 @@
+/*
+ * 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;
+}