[NetworkManager-libreswan/fg/GUI_IKEv2_advanced_options: 5/6] properties: extend widget_update to support multiple widgets types



commit a21c5c44bfe35c76eaf85586c2be860d0b8c745f
Author: Francesco Giudici <fgiudici redhat com>
Date:   Fri Sep 14 12:19:15 2018 +0200

    properties: extend widget_update to support multiple widgets types
    
    allow to properly manage also GtkCheckButton widgets and GtkComboBox
    ones that allow three-valued logic values ("yes", "no" and an optional
    third one value, dependent on the property).
    This will allow a more convenient way to init new widgets (we are going
    to leverage this in the next commit).

 properties/nm-libreswan-editor.c | 69 ++++++++++++++++++++++++++++++----------
 1 file changed, 53 insertions(+), 16 deletions(-)
---
diff --git a/properties/nm-libreswan-editor.c b/properties/nm-libreswan-editor.c
index 84633b7..5164b2b 100644
--- a/properties/nm-libreswan-editor.c
+++ b/properties/nm-libreswan-editor.c
@@ -59,6 +59,14 @@ typedef struct {
 #define TYPE_IKEV1_XAUTH 0
 #define TYPE_IKEV2_CERT  1
 
+/* Define a three-valued logic (3VL) for managing boolean values that allows a third value
+ * beside the common "yes"/"no". The third value actual meaning may depend on the context,
+ * e.g., for fragmentation it means "force".
+ */
+#define TYPE_3VL_NO    0
+#define TYPE_3VL_YES   1
+#define TYPE_3VL_OTHER 2
+
 static gboolean
 check_validity (LibreswanEditor *self, GError **error)
 {
@@ -241,11 +249,21 @@ init_password_icon (LibreswanEditor *self,
                          G_CALLBACK (password_storage_changed_cb), self);
 }
 
+
+/* Init the widget on the basis of its actual type.
+ *  widget_name: the name of the widget
+ *  key_name:    the name of the key where the config value is stored
+ *  match_value: used only for toggle_button and combo_box widgets; when matched
+ *               in the former it will set the toggle button as active, in the latter
+ *               will be used as a match for enabling the third index of possible values
+ *               (a three-valued logic value is expected: "no", "yes" or "match_value").
+ */
 static gboolean
 init_widget (LibreswanEditor *self,
              NMSettingVpn *s_vpn,
              const char *widget_name,
-             const char *key_name)
+             const char *key_name,
+             const char *match_value)
 {
        LibreswanEditorPrivate *priv = LIBRESWAN_EDITOR_GET_PRIVATE (self);
        GtkWidget *widget;
@@ -254,13 +272,32 @@ init_widget (LibreswanEditor *self,
        widget = GTK_WIDGET (gtk_builder_get_object (priv->builder, widget_name));
        if (!widget)
                return FALSE;
-       gtk_size_group_add_widget (priv->group, GTK_WIDGET (widget));
+       if (GTK_IS_ENTRY (widget))
+               gtk_size_group_add_widget (priv->group, GTK_WIDGET (widget));
        if (s_vpn) {
                value = nm_setting_vpn_get_data_item (s_vpn, key_name);
-               if (value && *value)
-                       gtk_entry_set_text (GTK_ENTRY (widget), value);
+               if (value && *value) {
+                       if (GTK_IS_ENTRY (widget)) {
+                               gtk_entry_set_text (GTK_ENTRY (widget), value);
+                       } else if (GTK_IS_CHECK_BUTTON (widget)) {
+                               gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget),
+                                                             nm_streq0 (value, match_value));
+                       } else if (GTK_IS_COMBO_BOX (widget)) {
+                               gint idx = -1;
+
+                               if (nm_streq (value, "no"))
+                                       idx = TYPE_3VL_NO;
+                               else if (nm_streq (value, "yes"))
+                                       idx = TYPE_3VL_YES;
+                               else if (nm_streq0 (value, match_value))
+                                       idx = TYPE_3VL_OTHER;
+                               gtk_combo_box_set_active (GTK_COMBO_BOX (widget), idx);
+                       }
+               }
        }
-       g_signal_connect (G_OBJECT (widget), "changed", G_CALLBACK (stuff_changed_cb), self);
+       g_signal_connect (G_OBJECT (widget),
+                         GTK_IS_CHECK_BUTTON (widget) ? "toggled" : "changed",
+                         G_CALLBACK (stuff_changed_cb), self);
 
        return TRUE;
 }
@@ -331,37 +368,37 @@ init_editor_plugin (LibreswanEditor *self,
                          (GCallback) show_toggled_cb,
                          self);
 
-       widget_updated = init_widget (self, s_vpn, "gateway_entry", NM_LIBRESWAN_KEY_RIGHT);
+       widget_updated = init_widget (self, s_vpn, "gateway_entry", NM_LIBRESWAN_KEY_RIGHT, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "group_entry", NM_LIBRESWAN_KEY_LEFTID);
+       widget_updated = init_widget (self, s_vpn, "group_entry", NM_LIBRESWAN_KEY_LEFTID, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "user_entry", NM_LIBRESWAN_KEY_LEFTXAUTHUSER);
+       widget_updated = init_widget (self, s_vpn, "user_entry", NM_LIBRESWAN_KEY_LEFTXAUTHUSER, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "cert_entry", NM_LIBRESWAN_KEY_LEFTCERT);
+       widget_updated = init_widget (self, s_vpn, "cert_entry", NM_LIBRESWAN_KEY_LEFTCERT, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "remoteid_entry", NM_LIBRESWAN_KEY_RIGHTID);
+       widget_updated = init_widget (self, s_vpn, "remoteid_entry", NM_LIBRESWAN_KEY_RIGHTID, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "phase1_entry", NM_LIBRESWAN_KEY_IKE);
+       widget_updated = init_widget (self, s_vpn, "phase1_entry", NM_LIBRESWAN_KEY_IKE, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "phase2_entry", NM_LIBRESWAN_KEY_ESP);
+       widget_updated = init_widget (self, s_vpn, "phase2_entry", NM_LIBRESWAN_KEY_ESP, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "phase1_lifetime_entry", NM_LIBRESWAN_KEY_IKELIFETIME);
+       widget_updated = init_widget (self, s_vpn, "phase1_lifetime_entry", NM_LIBRESWAN_KEY_IKELIFETIME, 
NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "phase2_lifetime_entry", NM_LIBRESWAN_KEY_SALIFETIME);
+       widget_updated = init_widget (self, s_vpn, "phase2_lifetime_entry", NM_LIBRESWAN_KEY_SALIFETIME, 
NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "domain_entry", NM_LIBRESWAN_KEY_DOMAIN);
+       widget_updated = init_widget (self, s_vpn, "domain_entry", NM_LIBRESWAN_KEY_DOMAIN, NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
-       widget_updated = init_widget (self, s_vpn, "remote_network_entry", NM_LIBRESWAN_KEY_REMOTENETWORK);
+       widget_updated = init_widget (self, s_vpn, "remote_network_entry", NM_LIBRESWAN_KEY_REMOTENETWORK, 
NULL);
        g_return_val_if_fail (widget_updated, FALSE);
 
        return TRUE;


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