* Copyright (C) 2004 Red Hat, Inc.
*
* Author:
- * Jonathan Blandford <jrb@alum.mit.edu>
+ * Marco Pesenti Gritti <marco@gnome.org>
*
* Evince is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
#include <gtk/gtklabel.h>
+#define DEFAULT_DELAY 500
+#define STICKY_DELAY 500
+#define STICKY_REVERT_DELAY 1000
+#define SPACE_FROM_CURSOR 10
+
struct _EvTooltipPrivate {
GtkWidget *label;
+ GTimeVal last_deactivate;
+ int timer_tag;
+ gboolean active;
};
G_DEFINE_TYPE (EvTooltip, ev_tooltip, GTK_TYPE_WINDOW)
return GTK_WIDGET_CLASS (ev_tooltip_parent_class)->expose_event (widget, event);
}
+static void
+ev_tooltip_dispose (GObject *object)
+{
+ EvTooltip *tooltip = EV_TOOLTIP (object);
+
+ if (tooltip->priv->timer_tag) {
+ g_source_remove (tooltip->priv->timer_tag);
+ tooltip->priv->timer_tag = 0;
+ }
+}
+
static void
ev_tooltip_class_init (EvTooltipClass *class)
{
GObjectClass *g_object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+ g_object_class->dispose = ev_tooltip_dispose;
widget_class->expose_event = ev_tooltip_expose_event;
g_type_class_add_private (g_object_class, sizeof (EvTooltipPrivate));
tooltip->priv = EV_TOOLTIP_GET_PRIVATE (tooltip);
+ gtk_widget_set_app_paintable (GTK_WIDGET (tooltip), TRUE);
+ gtk_window_set_resizable (GTK_WINDOW (tooltip), FALSE);
gtk_widget_set_name (window, "gtk-tooltips");
label = gtk_label_new (NULL);
void
ev_tooltip_set_position (EvTooltip *tooltip, int x, int y)
{
- int root_x = 0, root_y = 0;
+ int root_x, root_y;
if (tooltip->parent != NULL) {
gdk_window_get_origin (tooltip->parent->window, &root_x, &root_y);
}
- gtk_window_move (GTK_WINDOW (tooltip), x + root_x, y + root_y);
+ gtk_window_move (GTK_WINDOW (tooltip),
+ x + root_x + SPACE_FROM_CURSOR,
+ y + root_y + SPACE_FROM_CURSOR);
+}
+
+static gboolean
+ev_tooltip_recently_shown (EvTooltip *tooltip)
+{
+ GTimeVal now;
+ glong msec;
+
+ g_get_current_time (&now);
+
+ msec = (now.tv_sec - tooltip->priv->last_deactivate.tv_sec) * 1000 +
+ (now.tv_usec - tooltip->priv->last_deactivate.tv_usec) / 1000;
+
+ return (msec < STICKY_REVERT_DELAY);
+}
+
+static gint
+ev_tooltip_timeout (gpointer data)
+{
+ GtkWidget *tooltip = GTK_WIDGET (data);
+
+ gtk_widget_show (tooltip);
+
+ return FALSE;
+}
+
+void
+ev_tooltip_activate (EvTooltip *tooltip)
+{
+ int delay;
+
+ if (tooltip->priv->active) {
+ return;
+ } else {
+ tooltip->priv->active = TRUE;
+ }
+
+ if (ev_tooltip_recently_shown (tooltip)) {
+ delay = STICKY_DELAY;
+ } else {
+ delay = DEFAULT_DELAY;
+ }
+
+ tooltip->priv->timer_tag = g_timeout_add (delay, ev_tooltip_timeout,
+ (gpointer)tooltip);
+}
+
+void
+ev_tooltip_deactivate (EvTooltip *tooltip)
+{
+ if (!tooltip->priv->active) {
+ return;
+ } else {
+ tooltip->priv->active = FALSE;
+ }
+
+ if (tooltip->priv->timer_tag) {
+ g_source_remove (tooltip->priv->timer_tag);
+ tooltip->priv->timer_tag = 0;
+ }
+
+ gtk_widget_hide (GTK_WIDGET (tooltip));
+
+ g_get_current_time (&tooltip->priv->last_deactivate);
}