StTooltip: use a timeout like GtkTooltip

Instead of showing tooltips immediately on hover, wait until a timeout
after the last motion (timeout is given by the gtk-tooltip-timeout
GtkSetting.)

https://bugzilla.gnome.org/show_bug.cgi?id=642871
This commit is contained in:
Owen W. Taylor 2011-03-22 09:36:37 -04:00
parent 4a93ce703e
commit a5d3259cfe

View File

@ -44,6 +44,8 @@
#include "st-widget-accessible.h"
#include <gtk/gtk.h>
/*
* Forward declaration for sake of StWidgetChild
*/
@ -56,6 +58,7 @@ struct _StWidgetPrivate
gchar *inline_style;
StThemeNodeTransition *transition_animation;
guint tooltip_timeout_id;
gboolean is_stylable : 1;
gboolean has_tooltip : 1;
@ -125,6 +128,7 @@ static gboolean st_widget_real_navigate_focus (StWidget *widget,
static AtkObject * st_widget_get_accessible (ClutterActor *actor);
static void st_widget_start_tooltip_timeout (StWidget *widget);
static void st_widget_do_show_tooltip (StWidget *widget);
static void st_widget_do_hide_tooltip (StWidget *widget);
@ -277,6 +281,12 @@ st_widget_dispose (GObject *gobject)
st_widget_remove_transition (actor);
if (priv->tooltip_timeout_id)
{
g_source_remove (priv->tooltip_timeout_id);
priv->tooltip_timeout_id = 0;
}
if (priv->tooltip)
{
clutter_actor_destroy (CLUTTER_ACTOR (priv->tooltip));
@ -670,6 +680,19 @@ st_widget_leave (ClutterActor *actor,
return FALSE;
}
static gboolean
st_widget_motion (ClutterActor *actor,
ClutterMotionEvent *motion)
{
StWidget *widget = ST_WIDGET (actor);
StWidgetPrivate *priv = widget->priv;
if (priv->has_tooltip)
st_widget_start_tooltip_timeout (widget);
return FALSE;
}
static void
st_widget_key_focus_in (ClutterActor *actor)
{
@ -773,6 +796,7 @@ st_widget_class_init (StWidgetClass *klass)
actor_class->enter_event = st_widget_enter;
actor_class->leave_event = st_widget_leave;
actor_class->motion_event = st_widget_motion;
actor_class->key_focus_in = st_widget_key_focus_in;
actor_class->key_focus_out = st_widget_key_focus_out;
actor_class->key_press_event = st_widget_key_press_event;
@ -1561,11 +1585,20 @@ st_widget_set_has_tooltip (StWidget *widget,
st_widget_ensure_tooltip_parented (widget, CLUTTER_STAGE (stage));
}
}
else if (priv->tooltip)
else
{
clutter_actor_destroy (CLUTTER_ACTOR (priv->tooltip));
g_object_unref (priv->tooltip);
priv->tooltip = NULL;
if (priv->tooltip_timeout_id)
{
g_source_remove (priv->tooltip_timeout_id);
priv->tooltip_timeout_id = 0;
}
if (priv->tooltip)
{
clutter_actor_destroy (CLUTTER_ACTOR (priv->tooltip));
g_object_unref (priv->tooltip);
priv->tooltip = NULL;
}
}
}
@ -1749,6 +1782,28 @@ st_widget_get_track_hover (StWidget *widget)
return widget->priv->track_hover;
}
static gboolean
tooltip_timeout (gpointer data)
{
st_widget_show_tooltip (data);
return FALSE;
}
static void
st_widget_start_tooltip_timeout (StWidget *widget)
{
StWidgetPrivate *priv = widget->priv;
GtkSettings *settings = gtk_settings_get_default ();
guint timeout;
if (priv->tooltip_timeout_id)
g_source_remove (priv->tooltip_timeout_id);
g_object_get (settings, "gtk-tooltip-timeout", &timeout, NULL);
priv->tooltip_timeout_id = g_timeout_add (timeout, tooltip_timeout, widget);
}
/**
* st_widget_set_hover:
* @widget: A #StWidget
@ -1779,13 +1834,21 @@ st_widget_set_hover (StWidget *widget,
{
st_widget_add_style_pseudo_class (widget, "hover");
if (priv->has_tooltip)
st_widget_show_tooltip (widget);
st_widget_start_tooltip_timeout (widget);
}
else
{
st_widget_remove_style_pseudo_class (widget, "hover");
if (priv->has_tooltip)
st_widget_hide_tooltip (widget);
{
if (priv->tooltip_timeout_id)
{
g_source_remove (priv->tooltip_timeout_id);
priv->tooltip_timeout_id = 0;
}
st_widget_hide_tooltip (widget);
}
}
g_object_notify (G_OBJECT (widget), "hover");
}