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New function to let user control where columns are dragged.

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Wed May  9 15:27:22 2001  Jonathan Blandford  <jrb@redhat.com>

	* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
	function to let user control where columns are dragged.

	* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
	Escape is pressed.
This commit is contained in:
Jonathan Blandford 2001-05-09 22:23:12 +00:00 committed by Jonathan Blandford
parent 9b490708ed
commit 6e70564088
10 changed files with 135 additions and 7 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-0
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-10
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-2
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-4
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-6
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

8
ChangeLog.pre-2-8
View File

@ -1,3 +1,11 @@
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New
function to let user control where columns are dragged.
* gtk/gtktreeview.c (gtk_tree_view_key_press): Cancel drags if
Escape is pressed.
Wed May 9 09:08:44 2001 Jonathan Blandford <jrb@webwynk.net>
* gtk/gtktreeview.c (gtk_tree_view_class_init): New

2
gtk/gtktreeprivate.h
View File

@ -130,6 +130,8 @@ struct _GtkTreeViewPrivate
gint header_height;
GtkTreeViewColumnDropFunc *column_drop_func;
gpointer column_drop_func_data;
GtkDestroyNotify column_drop_func_data_destroy;
GList *column_drag_info;
GtkTreeViewColumnReorder *cur_reorder;

80
gtk/gtktreeview.c
View File

@ -138,6 +138,8 @@ static void gtk_tree_view_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gboolean gtk_tree_view_expose (GtkWidget *widget,
GdkEventExpose *event);
static gboolean gtk_tree_view_key_press (GtkWidget *widget,
GdkEventKey *event);
static gboolean gtk_tree_view_motion (GtkWidget *widget,
GdkEventMotion *event);
static gboolean gtk_tree_view_enter_notify (GtkWidget *widget,
@ -350,6 +352,7 @@ gtk_tree_view_class_init (GtkTreeViewClass *class)
widget_class->button_release_event = gtk_tree_view_button_release;
widget_class->motion_notify_event = gtk_tree_view_motion;
widget_class->expose_event = gtk_tree_view_expose;
widget_class->key_press_event = gtk_tree_view_key_press;
widget_class->enter_notify_event = gtk_tree_view_enter_notify;
widget_class->leave_notify_event = gtk_tree_view_leave_notify;
widget_class->focus_in_event = gtk_tree_view_focus_in;
@ -698,6 +701,13 @@ gtk_tree_view_destroy (GtkObject *object)
tree_view->priv->cursor = NULL;
}
if (tree_view->priv->column_drop_func_data &&
tree_view->priv->column_drop_func_data_destroy)
{
(* tree_view->priv->column_drop_func_data_destroy) (tree_view->priv->column_drop_func_data);
tree_view->priv->column_drop_func_data = NULL;
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
@ -1324,6 +1334,7 @@ gtk_tree_view_button_release_drag_column (GtkWidget *widget,
allocation = tree_view->priv->drag_column->button->allocation;
allocation.x = tree_view->priv->drag_column_x;
gdk_pointer_ungrab (GDK_CURRENT_TIME);
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gdk_window_reparent (tree_view->priv->drag_column->button->window,
tree_view->priv->header_window,
tree_view->priv->drag_column_x,
@ -1331,6 +1342,7 @@ gtk_tree_view_button_release_drag_column (GtkWidget *widget,
gtk_widget_set_parent_window (tree_view->priv->drag_column->button, tree_view->priv->header_window);
gtk_widget_size_allocate (tree_view->priv->drag_column->button, &allocation);
gtk_widget_grab_focus (tree_view->priv->drag_column->button);
if (tree_view->priv->cur_reorder &&
tree_view->priv->cur_reorder->left_column != tree_view->priv->drag_column)
@ -2515,6 +2527,24 @@ gtk_tree_view_expose (GtkWidget *widget,
return TRUE;
}
static gboolean
gtk_tree_view_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GtkTreeView *tree_view = (GtkTreeView *) widget;
if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
{
if (event->keyval == GDK_Escape)
{
tree_view->priv->cur_reorder = NULL;
gtk_tree_view_button_release_drag_column (widget, NULL);
}
return TRUE;
}
return FALSE;
}
/* FIXME Is this function necessary? Can I get an enter_notify event
* w/o either an expose event or a mouse motion event?
*/
@ -5111,6 +5141,12 @@ gtk_tree_view_set_column_drag_info (GtkTreeView *tree_view,
if (cur_column->visible == FALSE)
continue;
if (tree_view->priv->column_drop_func &&
(* tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
{
left_column = cur_column;
continue;
}
reorder = g_new (GtkTreeViewColumnReorder, 1);
reorder->left_column = left_column;
left_column = reorder->right_column = cur_column;
@ -5238,6 +5274,9 @@ _gtk_tree_view_column_start_drag (GtkTreeView *tree_view,
FALSE,
GDK_POINTER_MOTION_MASK|GDK_BUTTON_RELEASE_MASK,
NULL, NULL, GDK_CURRENT_TIME);
gdk_keyboard_grab (tree_view->priv->drag_window,
FALSE,
GDK_CURRENT_TIME);
}
@ -5470,13 +5509,6 @@ gtk_tree_view_new_column_width (GtkTreeView *tree_view,
}
static void
gtk_tree_view_ensure_scroll_timeout (GtkTreeView *tree_view, GFunc func)
{
if (tree_view->priv->scroll_timeout == 0)
tree_view->priv->scroll_timeout = gtk_timeout_add (50, func, tree_view);
}
/* Callbacks */
static void
gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
@ -6230,6 +6262,40 @@ gtk_tree_view_get_expander_column (GtkTreeView *tree_view)
return tree_view->priv->expander_column;
}
/**
* gtk_tree_view_set_column_drag_function:
* @tree_view: A #GtkTreeView.
* @func: A function to determine which columns are reorderable, or NULL.
* @user_data: User data to be passed to @func, or NULL
* @destroy: Destroy notifier for @user_data, or NULL
*
* Sets a user function for determining where a column may be dropped when
* dragged. This function is called on every column pair in turn at the
* beginning of a column drag to determine where a drop can take place. The
* arguments passed to @func are: the @tree_view, the #GtkTreeViewColumn being
* dragged, the two #GtkTreeViewColumn s determining the drop spot, and
* @user_data. If either of the #GtkTreeViewColumn arguments for the drop spot
* are NULL, then they indicate an edge. If @func is set to be NULL, then
* @tree_view reverts to the default behavior of allowing all columns to be
* dropped everywhere.
**/
void
gtk_tree_view_set_column_drag_function (GtkTreeView *tree_view,
GtkTreeViewColumnDropFunc func,
gpointer user_data,
GtkDestroyNotify destroy)
{
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
if (tree_view->priv->column_drop_func_data_destroy)
(* tree_view->priv->column_drop_func_data_destroy) (tree_view->priv->column_drop_func_data);
tree_view->priv->column_drop_func = func;
tree_view->priv->column_drop_func_data = user_data;
tree_view->priv->column_drop_func_data_destroy = destroy;
}
/**
* gtk_tree_view_scroll_to_point:
* @tree_view: a #GtkTreeView

4
gtk/gtktreeview.h
View File

@ -146,6 +146,10 @@ void gtk_tree_view_move_column_after (GtkTreeView
void gtk_tree_view_set_expander_column (GtkTreeView *tree_view,
gint col);
gint gtk_tree_view_get_expander_column (GtkTreeView *tree_view);
void gtk_tree_view_set_column_drag_function (GtkTreeView *tree_view,
GtkTreeViewColumnDropFunc func,
gpointer user_data,
GtkDestroyNotify destroy);
/* Actions */
void gtk_tree_view_scroll_to_point (GtkTreeView *tree_view,