Pileus Git - ~andy/gtk/blob - gtk/gtklayout.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * GtkLayout: Widget for scrolling of arbitrary-sized areas.
  20  *
  21  * Copyright Owen Taylor, 1998
  22  */
  23
  24 /*
  25  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  26  * file for a list of people on the GTK+ Team.  See the ChangeLog
  27  * files for a list of changes.  These files are distributed with
  28  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  29  */
  30
  31 #ifndef __GTK_LAYOUT_H__
  32 #define __GTK_LAYOUT_H__
  33
  34 #include <gdk/gdk.h>
  35 #include <gtk/gtkcontainer.h>
  36 #include <gtk/gtkadjustment.h>
  37
  38 G_BEGIN_DECLS
  39
  40 #define GTK_TYPE_LAYOUT            (gtk_layout_get_type ())
  41 #define GTK_LAYOUT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_LAYOUT, GtkLayout))
  42 #define GTK_LAYOUT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_LAYOUT, GtkLayoutClass))
  43 #define GTK_IS_LAYOUT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_LAYOUT))
  44 #define GTK_IS_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_LAYOUT))
  45 #define GTK_LAYOUT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_LAYOUT, GtkLayoutClass))
  46
  47
  48 typedef struct _GtkLayout        GtkLayout;
  49 typedef struct _GtkLayoutClass   GtkLayoutClass;
  50
  51 struct _GtkLayout
  52 {
  53   GtkContainer container;
  54
  55   GList *children;
  56
  57   guint width;
  58   guint height;
  59
  60   GtkAdjustment *hadjustment;
  61   GtkAdjustment *vadjustment;
  62
  63   /*< public >*/
  64   GdkWindow *bin_window;
  65
  66   /*< private >*/
  67   GdkVisibilityState visibility;
  68   gint scroll_x;
  69   gint scroll_y;
  70
  71   guint freeze_count;
  72 };
  73
  74 struct _GtkLayoutClass
  75 {
  76   GtkContainerClass parent_class;
  77
  78   void  (*set_scroll_adjustments)   (GtkLayout      *layout,
  79                                      GtkAdjustment  *hadjustment,
  80                                      GtkAdjustment  *vadjustment);
  81
  82   /* Padding for future expansion */
  83   void (*_gtk_reserved1) (void);
  84   void (*_gtk_reserved2) (void);
  85   void (*_gtk_reserved3) (void);
  86   void (*_gtk_reserved4) (void);
  87 };
  88
  89 GType          gtk_layout_get_type        (void) G_GNUC_CONST;
  90 GtkWidget*     gtk_layout_new             (GtkAdjustment *hadjustment,
  91                                            GtkAdjustment *vadjustment);
  92 void           gtk_layout_put             (GtkLayout     *layout,
  93                                            GtkWidget     *child_widget,
  94                                            gint           x,
  95                                            gint           y);
  96
  97 void           gtk_layout_move            (GtkLayout     *layout,
  98                                            GtkWidget     *child_widget,
  99                                            gint           x,
 100                                            gint           y);
 101
 102 void           gtk_layout_set_size        (GtkLayout     *layout,
 103                                            guint          width,
 104                                            guint          height);
 105 void           gtk_layout_get_size        (GtkLayout     *layout,
 106                                            guint         *width,
 107                                            guint         *height);
 108
 109 GtkAdjustment* gtk_layout_get_hadjustment (GtkLayout     *layout);
 110 GtkAdjustment* gtk_layout_get_vadjustment (GtkLayout     *layout);
 111 void           gtk_layout_set_hadjustment (GtkLayout     *layout,
 112                                            GtkAdjustment *adjustment);
 113 void           gtk_layout_set_vadjustment (GtkLayout     *layout,
 114                                            GtkAdjustment *adjustment);
 115
 116
 117 #ifndef GTK_DISABLE_DEPRECATED
 118 /* These disable and enable moving and repainting the scrolling window
 119  * of the GtkLayout, respectively.  If you want to update the layout's
 120  * offsets but do not want it to repaint itself, you should use these
 121  * functions.
 122  *
 123  * - I don't understand these are supposed to work, so I suspect
 124  * - they don't now.                    OWT 1/20/98
 125  */
 126 void           gtk_layout_freeze          (GtkLayout     *layout);
 127 void           gtk_layout_thaw            (GtkLayout     *layout);
 128 #endif /* GTK_DISABLE_DEPRECATED */
 129
 130 G_END_DECLS
 131
 132 #endif /* __GTK_LAYOUT_H__ */