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Implements DnD scrolling and fixes #71139

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Mon Feb 11 21:42:17 2002  Kristian Rietveld  <kris@gtk.org>

        Implements DnD scrolling and fixes #71139

        * gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
        (scroll_row_timeout): new function,
        (gtk_tree_view_drag_motion): create scroll_timeout, so
        scroll_row_timeout gets called
This commit is contained in:
Kristian Rietveld 2002-02-11 20:46:49 +00:00 committed by Kristian Rietveld
parent 01b9bd9310
commit d456e05b81
8 changed files with 109 additions and 0 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-0
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-10
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-2
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-4
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-6
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

9
ChangeLog.pre-2-8
View File

@ -1,3 +1,12 @@
Mon Feb 11 21:42:17 2002 Kristian Rietveld <kris@gtk.org>
Implements DnD scrolling and fixes #71139
* gtk/gtktreeview.c (gtk_tree_view_vertical_autoscroll): new function,
(scroll_row_timeout): new function,
(gtk_tree_view_drag_motion): create scroll_timeout, so
scroll_row_timeout gets called
Mon Feb 11 17:54:46 2002 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.c (gtk_tree_view_size_allocate): set upper

46
gtk/gtktreeview.c
View File

@ -2431,6 +2431,33 @@ gtk_tree_view_update_current_reorder (GtkTreeView *tree_view)
gtk_tree_view_motion_draw_column_motion_arrow (tree_view);
}
static void
gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view)
{
GdkRectangle visible_rect;
gint y;
gint offset;
gfloat value;
gdk_window_get_pointer (tree_view->priv->bin_window, NULL, &y, NULL);
y += tree_view->priv->dy;
gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
/* see if we are near the edge. */
offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE);
if (offset > 0)
{
offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE);
if (offset < 0)
return;
}
value = CLAMP (tree_view->priv->vadjustment->value + offset, 0.0,
tree_view->priv->vadjustment->upper - tree_view->priv->vadjustment->page_size);
gtk_adjustment_set_value (tree_view->priv->vadjustment, value);
}
static gboolean
gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view)
{
@ -3774,6 +3801,20 @@ open_row_timeout (gpointer data)
return result;
}
static gint
scroll_row_timeout (gpointer data)
{
GtkTreeView *tree_view = data;
GDK_THREADS_ENTER ();
gtk_tree_view_vertical_autoscroll (tree_view);
GDK_THREADS_LEAVE ();
return TRUE;
}
/* Returns TRUE if event should not be propagated to parent widgets */
static gboolean
set_destination_row (GtkTreeView *tree_view,
@ -4162,6 +4203,11 @@ gtk_tree_view_drag_motion (GtkWidget *widget,
tree_view->priv->open_dest_timeout =
gtk_timeout_add (500, open_row_timeout, tree_view);
}
else if (tree_view->priv->scroll_timeout == 0)
{
tree_view->priv->scroll_timeout =
gtk_timeout_add (150, scroll_row_timeout, tree_view);
}
if (target == gdk_atom_intern ("GTK_TREE_MODEL_ROW", FALSE))
{