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* buffer.h (FETCH_MULTIBYTE_CHAR): Define as inline.
[bpt/emacs.git] / src / gtkutil.h
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1/* Definitions and headers for GTK widgets.
2
3Copyright (C) 2003-2012 Free Software Foundation, Inc.
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software: you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation, either version 3 of the License, or
10(at your option) any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19
20#ifndef GTKUTIL_H
21#define GTKUTIL_H
22
23
24#ifdef USE_GTK
25
26#include <gtk/gtk.h>
27#include "frame.h"
28
29/* Minimum and maximum values used for GTK scroll bars */
30
31#define XG_SB_MIN 1
32#define XG_SB_MAX 10000000
33#define XG_SB_RANGE (XG_SB_MAX-XG_SB_MIN)
34
35/* Key for data that is valid for menus and scroll bars in a frame */
36#define XG_FRAME_DATA "emacs_frame"
37
38/* Key for data that menu items hold. */
39#define XG_ITEM_DATA "emacs_menuitem"
40
41/* This is a list node in a generic list implementation. */
42typedef struct xg_list_node_
43{
44 struct xg_list_node_ *prev;
45 struct xg_list_node_ *next;
46} xg_list_node;
47
48/* This structure is the callback data that is shared for menu items.
49 We need to keep it separate from the frame structure due to
50 detachable menus. The data in the frame structure is only valid while
51 the menu is popped up. This structure is kept around as long as
52 the menu is. */
53typedef struct xg_menu_cb_data_
54{
55 xg_list_node ptrs;
56
57 FRAME_PTR f;
58 Lisp_Object menu_bar_vector;
59 int menu_bar_items_used;
60 GCallback highlight_cb;
61 int ref_count;
62} xg_menu_cb_data;
63
64/* This structure holds callback information for each individual menu item. */
65typedef struct xg_menu_item_cb_data_
66{
67 xg_list_node ptrs;
68
69 gulong select_id;
70 Lisp_Object help;
71 gpointer call_data;
72 xg_menu_cb_data *cl_data;
73
74} xg_menu_item_cb_data;
75
76
77#ifdef HAVE_GTK_FILE_SELECTION_NEW
78extern int use_old_gtk_file_dialog;
79#endif
80struct _widget_value;
81
82extern struct _widget_value *malloc_widget_value (void);
83extern void free_widget_value (struct _widget_value *);
84
85extern int xg_uses_old_file_dialog (void);
86
87extern char *xg_get_file_name (FRAME_PTR f,
88 char *prompt,
89 char *default_filename,
90 int mustmatch_p,
91 int only_dir_p);
92
93extern char *xg_get_font_name (FRAME_PTR f, const char *);
94
95extern GtkWidget *xg_create_widget (const char *type,
96 const char *name,
97 FRAME_PTR f,
98 struct _widget_value *val,
99 GCallback select_cb,
100 GCallback deactivate_cb,
101 GCallback highlight_cb);
102
103extern void xg_modify_menubar_widgets (GtkWidget *menubar,
104 FRAME_PTR f,
105 struct _widget_value *val,
106 int deep_p,
107 GCallback select_cb,
108 GCallback deactivate_cb,
109 GCallback highlight_cb);
110
111extern int xg_update_frame_menubar (FRAME_PTR f);
112
113extern int xg_event_is_for_menubar (FRAME_PTR f, XEvent *event);
114
115extern int xg_have_tear_offs (void);
116
117extern ptrdiff_t xg_get_scroll_id_for_window (Display *dpy, Window wid);
118
119extern void xg_create_scroll_bar (FRAME_PTR f,
120 struct scroll_bar *bar,
121 GCallback scroll_callback,
122 GCallback end_callback,
123 const char *scroll_bar_name);
124extern void xg_remove_scroll_bar (FRAME_PTR f, ptrdiff_t scrollbar_id);
125
126extern void xg_update_scrollbar_pos (FRAME_PTR f,
127 ptrdiff_t scrollbar_id,
128 int top,
129 int left,
130 int width,
131 int height);
132
133extern void xg_set_toolkit_scroll_bar_thumb (struct scroll_bar *bar,
134 int portion,
135 int position,
136 int whole);
137extern int xg_event_is_for_scrollbar (FRAME_PTR f, XEvent *event);
138extern int xg_get_default_scrollbar_width (void);
139
140extern void update_frame_tool_bar (FRAME_PTR f);
141extern void free_frame_tool_bar (FRAME_PTR f);
142extern int xg_change_toolbar_position (FRAME_PTR f, Lisp_Object pos);
143
144extern void xg_frame_resized (FRAME_PTR f,
145 int pixelwidth,
146 int pixelheight);
147extern void xg_frame_set_char_size (FRAME_PTR f, int cols, int rows);
148extern GtkWidget * xg_win_to_widget (Display *dpy, Window wdesc);
149
150extern void xg_display_open (char *display_name, Display **dpy);
151extern void xg_display_close (Display *dpy);
152extern GdkCursor * xg_create_default_cursor (Display *dpy);
153
154extern int xg_create_frame_widgets (FRAME_PTR f);
155extern void xg_free_frame_widgets (FRAME_PTR f);
156extern void x_wm_set_size_hint (FRAME_PTR f,
157 long flags,
158 int user_position);
159extern void xg_set_background_color (FRAME_PTR f, unsigned long bg);
160extern int xg_check_special_colors (struct frame *f,
161 const char *color_name,
162 XColor *color);
163
164extern void xg_set_frame_icon (FRAME_PTR f,
165 Pixmap icon_pixmap,
166 Pixmap icon_mask);
167
168extern int xg_prepare_tooltip (FRAME_PTR f,
169 Lisp_Object string,
170 int *width,
171 int *height);
172extern void xg_show_tooltip (FRAME_PTR f, int root_x, int root_y);
173extern int xg_hide_tooltip (FRAME_PTR f);
174
175
176/* Mark all callback data that are Lisp_object:s during GC. */
177extern void xg_mark_data (void);
178
179/* Initialize GTK specific parts. */
180extern void xg_initialize (void);
181
182/* Setting scrollbar values invokes the callback. Use this variable
183 to indicate that the callback should do nothing. */
184extern int xg_ignore_gtk_scrollbar;
185
186#endif /* USE_GTK */
187#endif /* GTKUTIL_H */
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