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Use drag-motion in the arrow buttons to scroll when hovering

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Code copied from Nautilus.  I think we'll have to tweak the timers a bit;
they seem a bit short right now.
This commit is contained in:
Federico Mena Quintero
2013-05-03 11:04:52 -05:00
parent 2c59c98b39
commit 5cf75fc899
1 changed files with 68 additions and 1 deletions
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69
gtk/gtkpathbar.c
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@@ -161,6 +161,8 @@ static gboolean gtk_path_bar_scroll (GtkWidget *widget,
static void gtk_path_bar_scroll_up (GtkPathBar *path_bar);
static void gtk_path_bar_scroll_down (GtkPathBar *path_bar);
static void gtk_path_bar_stop_scrolling (GtkPathBar *path_bar);
static gboolean gtk_path_bar_scroll_timeout (GtkPathBar *path_bar);
static gboolean gtk_path_bar_slider_up_defocus (GtkWidget *widget,
GdkEventButton *event,
GtkPathBar *path_bar);
@@ -225,6 +227,69 @@ setup_basic_folders (GtkPathBar *path_bar)
priv->root_file = g_file_new_for_path ("/");
}
static void
slider_drag_motion_cb (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
GtkPathBar *path_bar)
{
GtkPathBarPrivate *priv = path_bar->priv;
GtkSettings *settings;
guint timeout;
if (priv->timer == 0)
{
settings = gtk_widget_get_settings (widget);
g_object_get (settings, "gtk-timeout-expand", &timeout, NULL);
priv->need_timer = TRUE;
priv->timer = gdk_threads_add_timeout (timeout, (GSourceFunc) gtk_path_bar_scroll_timeout, path_bar);
priv->scrolling_up = (widget == priv->up_slider_button);
priv->scrolling_down = (widget == priv->down_slider_button);
}
}
static void
slider_drag_leave_cb (GtkWidget *widget,
GdkDragContext *context,
guint time,
GtkPathBar *path_bar)
{
gtk_path_bar_stop_scrolling (path_bar);
}
static void
setup_dnd_in_arrows (GtkPathBar *path_bar)
{
GtkPathBarPrivate *priv = path_bar->priv;
gtk_drag_dest_set (GTK_WIDGET (priv->up_slider_button), 0, NULL, 0, 0);
gtk_drag_dest_set_track_motion (GTK_WIDGET (priv->up_slider_button), TRUE);
g_signal_connect (priv->up_slider_button,
"drag-motion",
G_CALLBACK (slider_drag_motion_cb),
path_bar);
g_signal_connect (priv->up_slider_button,
"drag-leave",
G_CALLBACK (slider_drag_leave_cb),
path_bar);
gtk_drag_dest_set (GTK_WIDGET (priv->down_slider_button), 0, NULL, 0, 0);
gtk_drag_dest_set_track_motion (GTK_WIDGET (priv->down_slider_button), TRUE);
g_signal_connect (priv->down_slider_button,
"drag-motion",
G_CALLBACK (slider_drag_motion_cb),
path_bar);
g_signal_connect (priv->down_slider_button,
"drag-leave",
G_CALLBACK (slider_drag_leave_cb),
path_bar);
}
static void
gtk_path_bar_init (GtkPathBar *path_bar)
{
@@ -261,6 +326,8 @@ gtk_path_bar_init (GtkPathBar *path_bar)
setup_basic_folders (path_bar);
setup_dnd_in_arrows (path_bar);
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (path_bar)),
GTK_STYLE_CLASS_LINKED);
}
@@ -1240,7 +1307,7 @@ gtk_path_bar_scroll_timeout (GtkPathBar *path_bar)
priv->need_timer = FALSE;
priv->timer = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR,
(GSourceFunc)gtk_path_bar_scroll_timeout,
(GSourceFunc) gtk_path_bar_scroll_timeout,
path_bar);
}
else