removed clist flag : GTK_CLIST_DRAG_SELECTION added flags :

removed clist flag : GTK_CLIST_DRAG_SELECTION added flags :

Tue Dec 15 22:30:44 1998  Lars Hamann  <lars@gtk.org>

	* gtk/gtkclist.h :
	removed clist flag : GTK_CLIST_DRAG_SELECTION
	added flags : GTK_CLIST_REORDERABLE, GTK_CLIST_USE_DRAG_ICONS,
	GTK_CLIST_DRAW_DRAG_LINE, GTK_CLIST_DRAW_DRAG_RECT
	(GtkCListDragPos) : new enum for DND
 	(GtkButtonAction) : new enum of possible mouse button actions
	(struct _GtkCList): added button_actions array.
 	Added drag_button and click_cell struct, to store cell and
 	mouse button of last button_press_event

	(struct _GtkCListClass): new class method draw_drag_highlight.
	(gtk_clist_set_reorderable) (gtk_clist_set_use_drag_icons) :
	new functions. Moved from gtkctree.h. Now clist is reorderable
	as well.
	(gtk_clist_set_button_actions) new function to customize mouse
	button actions.

	* gtk/gtkclist.c:
	(gtk_clist_drag_begin)
	(gtk_clist_drag_motion)
	(gtk_clist_drag_leave)
	(gtk_clist_drag_end)
	(gtk_clist_drag_drop)
	(gtk_clist_drag_data_get)
	(gtk_clist_drag_data_received) : new dnd widget methods to
	implement clists reorderability via DND

	(remove_grab) : new function. remove mouse grab if necessary.
	(draw_drag_highlight) : new method. Draw dnd highlight depending
	on clist flags GTK_CLIST_DRAW_DRAG_LINE and GTK_CLIST_DRAW_DRAG_RECT

	(gtk_clist_class_init): added object args "reorderable" and
 	"use_drag_icons"

	(gtk_clist_button_press) (gtk_clist_button_release) :
	use button_actions array to decide which action to perform.
	(gtk_clist_motion) : start reorder operation if necessary.

	* gtk/gtkctree.h :
	(struct _GtkCTree): removed drag_icon, icon_widht, icon_height,
	drag_row, drag_source, drag_target, reorderable, use_icons,
	in_drag, drag_rect
	(gtk_ctree_set_reorderable) :  deprecated function.
 	use gtk_clist_set_reorderable instead.
	(gtk_ctree_set_use_drag_icons) : deprecated function.
 	use gtk_clist_set_use_drag_icons instead.

	* gtk/gtkctree.c :
	(gtk_ctree_class_init): removed object args "reorderable" and
	and "use_drag_icons"

	(draw_xor_line) (draw_xor_rect) (create_drag_icon) (check_cursor)
	(tree_toggle_selection) (set_mouse_cursor) : removed

	(draw_drag_highlight) : new clist method. replacement for
	draw_xor_line and draw_xor_rect functions
	(check_drag) renamed check_cursor function

	(gtk_ctree_drag_begin)
	(gtk_ctree_drag_motion)
	(gtk_ctree_drag_data_received) : new dnd methods to implement ctrees
	reorderability via DND

	(gtk_ctree_button_release)
	(gtk_ctree_button_motion) : removed.

	* gtk/testgtk.c:
	(create_clist) : added new reorderable toggle button