summaryrefslogtreecommitdiff
path: root/gtk/gtkmenu.h
blob: f1104c87e8f376efdb3ab10f20c97c1460c853d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

#ifndef __GTK_MENU_H__
#define __GTK_MENU_H__


#include <gdk/gdk.h>
#include <gtk/gtkaccelgroup.h>
#include <gtk/gtkmenushell.h>


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define GTK_TYPE_MENU			(gtk_menu_get_type ())
#define GTK_MENU(obj)			(G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MENU, GtkMenu))
#define GTK_MENU_CLASS(klass)		(G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MENU, GtkMenuClass))
#define GTK_IS_MENU(obj)		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MENU))
#define GTK_IS_MENU_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU))
#define GTK_MENU_GET_CLASS(obj)         (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MENU, GtkMenuClass))


typedef struct _GtkMenu	      GtkMenu;
typedef struct _GtkMenuClass  GtkMenuClass;

typedef void (*GtkMenuPositionFunc) (GtkMenu   *menu,
				     gint      *x,
				     gint      *y,
				     gboolean  *push_in,
				     gpointer	user_data);
typedef void (*GtkMenuDetachFunc)   (GtkWidget *attach_widget,
				     GtkMenu   *menu);

struct _GtkMenu
{
  GtkMenuShell menu_shell;
  
  GtkWidget *parent_menu_item;
  GtkWidget *old_active_menu_item;

  GtkAccelGroup *accel_group;
  gchar         *accel_path;
  GtkMenuPositionFunc position_func;
  gpointer position_func_data;

  guint toggle_size;
  /* Do _not_ touch these widgets directly. We hide the reference
   * count from the toplevel to the menu, so it must be restored
   * before operating on these widgets
   */
  GtkWidget *toplevel;
  
  GtkWidget *tearoff_window;
  GtkWidget *tearoff_hbox;
  GtkWidget *tearoff_scrollbar;
  GtkAdjustment *tearoff_adjustment;

  GdkWindow *view_window;
  GdkWindow *bin_window;

  gint scroll_offset;
  gint saved_scroll_offset;
  gint scroll_step;
  guint timeout_id;
  
  /* When a submenu of this menu is popped up, motion in this
   * region is ignored
   */
  GdkRegion *navigation_region;
  guint navigation_timeout;

  guint needs_destruction_ref_count : 1;
  guint torn_off : 1;
  /* The tearoff is active when it is torn off and the not-torn-off
   * menu is not popped up.
   */
  guint tearoff_active : 1; 

  guint scroll_fast : 1;

  guint upper_arrow_visible : 1;
  guint lower_arrow_visible : 1;
  guint upper_arrow_prelight : 1;
  guint lower_arrow_prelight : 1;
};

struct _GtkMenuClass
{
  GtkMenuShellClass parent_class;

  /* Padding for future expansion */
  void (*_gtk_reserved1) (void);
  void (*_gtk_reserved2) (void);
  void (*_gtk_reserved3) (void);
  void (*_gtk_reserved4) (void);
};


GType	   gtk_menu_get_type		  (void) G_GNUC_CONST;
GtkWidget* gtk_menu_new			  (void);

/* Display the menu onscreen */
void	   gtk_menu_popup		  (GtkMenu	       *menu,
					   GtkWidget	       *parent_menu_shell,
					   GtkWidget	       *parent_menu_item,
					   GtkMenuPositionFunc	func,
					   gpointer		data,
					   guint		button,
					   guint32		activate_time);

/* Position the menu according to its position function. Called
 * from gtkmenuitem.c when a menu-item changes its allocation
 */
void	   gtk_menu_reposition		  (GtkMenu	       *menu);

void	   gtk_menu_popdown		  (GtkMenu	       *menu);

/* Keep track of the last menu item selected. (For the purposes
 * of the option menu
 */
GtkWidget* gtk_menu_get_active		  (GtkMenu	       *menu);
void	   gtk_menu_set_active		  (GtkMenu	       *menu,
					   guint		index_);

/* set/get the accelerator group that holds global accelerators (should
 * be added to the corresponding toplevel with gtk_window_add_accel_group().
 */
void	       gtk_menu_set_accel_group	  (GtkMenu	       *menu,
					   GtkAccelGroup       *accel_group);
GtkAccelGroup* gtk_menu_get_accel_group	  (GtkMenu	       *menu);
void           gtk_menu_set_accel_path    (GtkMenu             *menu,
					   const gchar         *accel_path);

/* A reference count is kept for a widget when it is attached to
 * a particular widget. This is typically a menu item; it may also
 * be a widget with a popup menu - for instance, the Notebook widget.
 */
void	   gtk_menu_attach_to_widget	  (GtkMenu	       *menu,
					   GtkWidget	       *attach_widget,
					   GtkMenuDetachFunc	detacher);
void	   gtk_menu_detach		  (GtkMenu	       *menu);

/* This should be dumped in favor of data set when the menu is popped
 * up - that is currently in the ItemFactory code, but should be
 * in the Menu code.
 */
GtkWidget* gtk_menu_get_attach_widget	  (GtkMenu	       *menu);

void       gtk_menu_set_tearoff_state     (GtkMenu             *menu,
					   gboolean             torn_off);
gboolean   gtk_menu_get_tearoff_state     (GtkMenu             *menu);

/* This sets the window manager title for the window that
 * appears when a menu is torn off
 */
void       gtk_menu_set_title             (GtkMenu             *menu,
					   const gchar         *title);
G_CONST_RETURN gchar *gtk_menu_get_title  (GtkMenu             *menu);

void       gtk_menu_reorder_child         (GtkMenu             *menu,
                                           GtkWidget           *child,
                                           gint                position);

void	   gtk_menu_set_screen		  (GtkMenu	       *menu,
					   GdkScreen	       *screen);

void       gtk_menu_attach                (GtkMenu             *menu,
                                           GtkWidget           *child,
                                           guint                left_attach,
                                           guint                right_attach,
                                           guint                top_attach,
                                           guint                bottom_attach);

void       gtk_menu_set_monitor           (GtkMenu             *menu,
                                           gint                 monitor_num);
GList*     gtk_menu_get_for_attach_widget (GtkWidget           *widget); 

#ifndef GTK_DISABLE_DEPRECATED
#define gtk_menu_append(menu,child)	gtk_menu_shell_append  ((GtkMenuShell *)(menu),(child))
#define gtk_menu_prepend(menu,child)    gtk_menu_shell_prepend ((GtkMenuShell *)(menu),(child))
#define gtk_menu_insert(menu,child,pos)	gtk_menu_shell_insert ((GtkMenuShell *)(menu),(child),(pos))
#endif /* GTK_DISABLE_DEPRECATED */

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_MENU_H__ */