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f392e843 JD |
1 | /* Definitions and headers for GTK widgets. |
2 | Copyright (C) 2003 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #ifndef GTKUTIL_H | |
23 | #define GTKUTIL_H | |
24 | ||
25 | ||
26 | #ifdef USE_GTK | |
27 | ||
28 | #include <gtk/gtk.h> | |
29 | #include "frame.h" | |
30 | ||
31 | /* Minimum and maximum values used for GTK scroll bars */ | |
32 | ||
7863d625 | 33 | #define XG_SB_MIN 1 |
f392e843 | 34 | #define XG_SB_MAX 10000000 |
7863d625 | 35 | #define XG_SB_RANGE (XG_SB_MAX-XG_SB_MIN) |
f392e843 JD |
36 | |
37 | /* Key for data that is valid for menus in a frame */ | |
38 | #define XG_FRAME_DATA "emacs_frame" | |
39 | ||
40 | /* Key for data that is the last scrollbar value */ | |
41 | #define XG_LAST_SB_DATA "emacs_last_sb_value" | |
42 | ||
43 | /* Key for data that menu items hold. */ | |
44 | #define XG_ITEM_DATA "emacs_menuitem" | |
45 | ||
46 | ||
47 | /* Button types in menus. */ | |
48 | enum button_type | |
49 | { | |
50 | BUTTON_TYPE_NONE, | |
51 | BUTTON_TYPE_TOGGLE, | |
52 | BUTTON_TYPE_RADIO | |
53 | }; | |
54 | ||
55 | /* This is a list node in a generic list implementation. */ | |
56 | typedef struct xg_list_node_ | |
57 | { | |
58 | struct xg_list_node_ *prev; | |
59 | struct xg_list_node_ *next; | |
60 | } xg_list_node; | |
61 | ||
62 | /* This structure is the callback data that is shared for menu items. | |
63 | We need to keep it separate from the frame structure due to | |
64 | detachable menus. The data in the frame structure is only valid while | |
65 | the menu is popped up. This structure is kept around as long as | |
66 | the menu is. */ | |
67 | typedef struct xg_menu_cb_data_ | |
68 | { | |
69 | xg_list_node ptrs; | |
177c0ea7 | 70 | |
f392e843 JD |
71 | FRAME_PTR f; |
72 | Lisp_Object menu_bar_vector; | |
73 | int menu_bar_items_used; | |
74 | GCallback highlight_cb; | |
75 | int ref_count; | |
76 | } xg_menu_cb_data; | |
77 | ||
78 | /* This structure holds callback information for each individual menu item. */ | |
79 | typedef struct xg_menu_item_cb_data_ | |
80 | { | |
81 | xg_list_node ptrs; | |
82 | ||
83 | gulong highlight_id; | |
84 | gulong unhighlight_id; | |
85 | gulong select_id; | |
86 | Lisp_Object help; | |
87 | gpointer call_data; | |
88 | xg_menu_cb_data *cl_data; | |
177c0ea7 | 89 | |
f392e843 JD |
90 | } xg_menu_item_cb_data; |
91 | ||
92 | ||
93 | /* Used to specify menus and dialogs. | |
94 | This is an adaption from lwlib for Gtk so we can use more of the same | |
95 | code as lwlib in xmenu.c. */ | |
96 | typedef struct _widget_value | |
97 | { | |
98 | /* name of widget */ | |
2bf436c3 | 99 | Lisp_Object lname; |
f392e843 JD |
100 | char *name; |
101 | /* value (meaning depend on widget type) */ | |
102 | char *value; | |
177c0ea7 | 103 | /* keyboard equivalent. no implications for XtTranslations */ |
2bf436c3 | 104 | Lisp_Object lkey; |
f392e843 JD |
105 | char *key; |
106 | /* Help string or nil if none. | |
107 | GC finds this string through the frame's menu_bar_vector | |
108 | or through menu_items. */ | |
109 | Lisp_Object help; | |
110 | /* true if enabled */ | |
111 | gint enabled; | |
112 | /* true if selected */ | |
113 | gint selected; | |
114 | /* The type of a button. */ | |
115 | enum button_type button_type; | |
116 | /* Contents of the sub-widgets, also selected slot for checkbox */ | |
117 | struct _widget_value *contents; | |
118 | /* data passed to callback */ | |
119 | gpointer call_data; | |
120 | /* next one in the list */ | |
121 | struct _widget_value *next; | |
122 | ||
123 | /* we resource the widget_value structures; this points to the next | |
124 | one on the free list if this one has been deallocated. | |
125 | */ | |
126 | struct _widget_value *free_list; | |
127 | } widget_value; | |
128 | ||
1fcfb866 | 129 | extern widget_value *malloc_widget_value P_ ((void)); |
f392e843 JD |
130 | extern void free_widget_value P_ ((widget_value *)); |
131 | ||
132 | extern char *xg_get_file_name P_ ((FRAME_PTR f, | |
133 | char *prompt, | |
134 | char *default_filename, | |
135 | int mustmatch_p)); | |
136 | ||
137 | extern GtkWidget *xg_create_widget P_ ((char *type, | |
138 | char *name, | |
139 | FRAME_PTR f, | |
140 | widget_value *val, | |
141 | GCallback select_cb, | |
142 | GCallback deactivate_cb, | |
143 | GCallback hightlight_cb)); | |
144 | ||
145 | extern void xg_modify_menubar_widgets P_ ((GtkWidget *menubar, | |
146 | FRAME_PTR f, | |
147 | widget_value *val, | |
148 | int deep_p, | |
149 | GCallback select_cb, | |
150 | GCallback deactivate_cb, | |
151 | GCallback hightlight_cb)); | |
152 | ||
153 | extern int xg_update_frame_menubar P_ ((FRAME_PTR f)); | |
154 | ||
da18b5ac | 155 | extern int xg_have_tear_offs P_ ((void)); |
f392e843 | 156 | |
810f2256 | 157 | extern int xg_get_scroll_id_for_window P_ ((Display *dpy, Window wid)); |
257f40f2 | 158 | |
f392e843 JD |
159 | extern void xg_create_scroll_bar P_ ((FRAME_PTR f, |
160 | struct scroll_bar *bar, | |
161 | GCallback scroll_callback, | |
162 | char *scroll_bar_name)); | |
163 | extern void xg_show_scroll_bar P_ ((int scrollbar_id)); | |
164 | extern void xg_remove_scroll_bar P_ ((FRAME_PTR f, int scrollbar_id)); | |
165 | ||
166 | extern void xg_update_scrollbar_pos P_ ((FRAME_PTR f, | |
167 | int scrollbar_id, | |
168 | int top, | |
169 | int left, | |
170 | int width, | |
7863d625 JD |
171 | int height, |
172 | int real_left, | |
173 | int canon_width)); | |
f392e843 JD |
174 | |
175 | extern void xg_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *bar, | |
176 | int portion, | |
177 | int position, | |
178 | int whole)); | |
179 | ||
180 | ||
181 | extern void update_frame_tool_bar P_ ((FRAME_PTR f)); | |
182 | extern void free_frame_tool_bar P_ ((FRAME_PTR f)); | |
183 | ||
184 | extern void xg_resize_widgets P_ ((FRAME_PTR f, | |
185 | int pixelwidth, | |
186 | int pixelheight)); | |
9ea0e54d | 187 | extern void xg_frame_cleared P_ ((FRAME_PTR f)); |
f392e843 | 188 | extern void xg_frame_set_char_size P_ ((FRAME_PTR f, int cols, int rows)); |
810f2256 JD |
189 | extern GtkWidget * xg_win_to_widget P_ ((Display *dpy, Window wdesc)); |
190 | ||
191 | extern int xg_display_open P_ ((char *display_name, Display **dpy)); | |
192 | extern void xg_display_close P_ ((Display *dpy)); | |
193 | extern GdkCursor * xg_create_default_cursor P_ ((Display *dpy)); | |
194 | ||
f392e843 JD |
195 | extern int xg_create_frame_widgets P_ ((FRAME_PTR f)); |
196 | extern void x_wm_set_size_hint P_ ((FRAME_PTR f, | |
197 | long flags, | |
198 | int user_position)); | |
199 | extern void xg_set_background_color P_ ((FRAME_PTR f, unsigned long bg)); | |
200 | ||
201 | /* Mark all callback data that are Lisp_object:s during GC. */ | |
1fcfb866 | 202 | extern void xg_mark_data P_ ((void)); |
f392e843 JD |
203 | |
204 | /* Initialize GTK specific parts. */ | |
1fcfb866 | 205 | extern void xg_initialize P_ ((void)); |
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206 | |
207 | /* Setting scrollbar values invokes the callback. Use this variable | |
208 | to indicate that the callback should do nothing. */ | |
209 | extern int xg_ignore_gtk_scrollbar; | |
210 | ||
f392e843 JD |
211 | #endif /* USE_GTK */ |
212 | #endif /* GTKUTIL_H */ | |
ab5796a9 MB |
213 | |
214 | /* arch-tag: 0757f3dc-00c7-4cee-9e4c-282cf1d34c72 | |
215 | (do not change this comment) */ |