[accounts-dialog] Make tooltip appear on click

[Matthias Clasen <matthiasc src gnome org>]

commit 79ec2b5782d658995ca096d669d615728e5db0db
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 26 23:13:54 2010 -0500

    Make tooltip appear on click

 src/um-account-dialog.c |   50 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 50 insertions(+), 0 deletions(-)
---
diff --git a/src/um-account-dialog.c b/src/um-account-dialog.c
index 87887a2..d9135e5 100644
--- a/src/um-account-dialog.c
+++ b/src/um-account-dialog.c
@@ -128,6 +128,46 @@ is_shortname_used (const gchar *shortname)
         return pwent != NULL;
 }
 
+static gboolean
+query_tooltip (GtkWidget  *widget,
+               gint        x,
+               gint        y,
+               gboolean    keyboard_mode,
+               GtkTooltip *tooltip,
+               gpointer    user_data)
+{
+        gchar *tip;
+
+        if (GTK_ENTRY_ICON_SECONDARY == gtk_entry_get_icon_at_pos (GTK_ENTRY (widget), x, y)) {
+                tip = gtk_entry_get_icon_tooltip_text (GTK_ENTRY (widget),
+                                                       GTK_ENTRY_ICON_SECONDARY);
+                gtk_tooltip_set_text (tooltip, tip);
+                g_free (tip);
+
+                return TRUE;
+        }
+        else {
+                return FALSE;
+        }
+}
+
+static void
+icon_released (GtkEntry             *entry,
+              GtkEntryIconPosition  pos,
+              GdkEvent             *event,
+              gpointer              user_data)
+{
+        GtkSettings *settings;
+        gint timeout;
+
+        settings = gtk_widget_get_settings (GTK_WIDGET (entry));
+
+        g_object_get (settings, "gtk-tooltip-timeout", &timeout, NULL);
+        g_object_set (settings, "gtk-tooltip-timeout", 1, NULL);
+        gtk_tooltip_trigger_tooltip_query (gtk_widget_get_display (GTK_WIDGET (entry)));
+        g_object_set (settings, "gtk-tooltip-timeout", timeout, NULL);
+}
+
 static void
 shortname_changed (GtkComboBox     *combo,
                    UmAccountDialog *um)
@@ -168,6 +208,14 @@ shortname_changed (GtkComboBox     *combo,
                 gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
                                                GTK_ENTRY_ICON_SECONDARY,
                                                GTK_STOCK_DIALOG_ERROR);
+                gtk_entry_set_icon_activatable (GTK_ENTRY (entry),
+                                                GTK_ENTRY_ICON_SECONDARY,
+                                                TRUE);
+                g_signal_connect (entry, "icon-release",
+                                  G_CALLBACK (icon_released), FALSE);
+                g_signal_connect (entry, "query-tooltip",
+                                  G_CALLBACK (query_tooltip), NULL);
+
                 if (in_use) {
                         tip = g_strdup_printf (_("A user with the short name '%s' already exists."),
                                                shortname);
@@ -182,12 +230,14 @@ shortname_changed (GtkComboBox     *combo,
                                           " \xe2\x9e\xa3 any of the characters '.', '-' and '_'"));
                 }
 
+                g_object_set (entry, "has-tooltip", TRUE, NULL);
                 gtk_entry_set_icon_tooltip_text (GTK_ENTRY (entry),
                                                  GTK_ENTRY_ICON_SECONDARY,
                                                  tip);
                 g_free (tip);
         }
         else {
+               g_object_set (entry, "has-tooltip", FALSE, NULL);
                gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (entry),
                                                GTK_ENTRY_ICON_SECONDARY,
                                                NULL);