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comparison src/frame-tty.c @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children abe6d1db359e
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427:0a0253eac470 428:3ecd8885ac67
1 /* TTY frame functions.
2 Copyright (C) 1995 Free Software Foundation, Inc.
3 Copyright (C) 1995, 1996 Ben Wing.
4 Copyright (C) 1997 Free Software Foundation, Inc.
5
6 This file is part of XEmacs.
7
8 XEmacs is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
11 later version.
12
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with XEmacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
22
23 /* Synched up with: Not in FSF. */
24
25 /* Written by Ben Wing.
26 Multi-frame support added by Hrvoje Niksic. */
27
28 #include <config.h>
29 #include "lisp.h"
30
31 #include "console-tty.h"
32 #include "frame.h"
33
34 #include "events.h"
35
36
37 /* Default properties to use when creating frames. */
38 Lisp_Object Vdefault_tty_frame_plist;
39
40 static void tty_raise_frame (struct frame *);
41
42
43 static void
44 tty_init_frame_1 (struct frame *f, Lisp_Object props)
45 {
46 struct device *d = XDEVICE (FRAME_DEVICE (f));
47 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
48
49 ++CONSOLE_TTY_DATA (c)->frame_count;
50 f->order_count = CONSOLE_TTY_DATA (c)->frame_count;
51 f->height = CONSOLE_TTY_DATA (c)->height;
52 f->width = CONSOLE_TTY_DATA (c)->width;
53 }
54
55 static void
56 tty_init_frame_3 (struct frame *f)
57 {
58 tty_raise_frame (f);
59 }
60
61 static void
62 tty_select_frame_if_unhidden (Lisp_Object frame)
63 {
64 if (FRAME_REPAINT_P (XFRAME (frame)))
65 select_frame_1 (frame);
66 }
67
68 static void
69 tty_schedule_frame_select (struct frame *f)
70 {
71 Lisp_Object frame;
72
73 XSETFRAME (frame, f);
74 enqueue_magic_eval_event (tty_select_frame_if_unhidden, frame);
75 }
76
77 static void
78 tty_after_init_frame (struct frame *f, int first_on_device,
79 int first_on_console)
80 {
81 if (first_on_console)
82 call1 (Qinit_post_tty_win, FRAME_CONSOLE (f));
83 }
84
85 /* Change from withdrawn state to mapped state. */
86 static void
87 tty_make_frame_visible (struct frame *f)
88 {
89 if (!FRAME_VISIBLE_P(f))
90 {
91 f->visible = -1;
92 }
93 }
94
95 /* Change from mapped state to withdrawn state. */
96 static void
97 tty_make_frame_invisible (struct frame *f)
98 {
99 f->visible = 0;
100 }
101
102 static void
103 tty_make_frame_hidden (struct frame *f)
104 {
105 f->visible = -1;
106 }
107
108 static void
109 tty_make_frame_unhidden (struct frame *f)
110 {
111 if (!FRAME_REPAINT_P(f))
112 {
113 SET_FRAME_CLEAR(f);
114 f->visible = 1;
115 }
116 }
117
118 static int
119 tty_frame_visible_p (struct frame *f)
120 {
121 return FRAME_VISIBLE_P (f);
122 }
123
124 static void
125 tty_raise_frame_no_select (struct frame *f)
126 {
127 Lisp_Object frame;
128 LIST_LOOP_2 (frame, DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f))))
129 {
130 struct frame *o = XFRAME (frame);
131 if (o != f && FRAME_REPAINT_P (o))
132 {
133 tty_make_frame_hidden (o);
134 break;
135 }
136 }
137 tty_make_frame_unhidden (f);
138 }
139
140 static void
141 tty_raise_frame (struct frame *f)
142 {
143 tty_raise_frame_no_select (f);
144 tty_schedule_frame_select (f);
145 }
146
147 static void
148 tty_lower_frame (struct frame *f)
149 {
150 Lisp_Object frame_list = DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f)));
151 Lisp_Object tail, new;
152
153 if (!FRAME_REPAINT_P (f))
154 return;
155
156 LIST_LOOP (tail, frame_list)
157 {
158 if (f == XFRAME (XCAR (tail)))
159 break;
160 }
161
162 /* To lower this frame, another frame has to be raised. Return if
163 there is no other frame. */
164 if (NILP (tail) && EQ(frame_list, tail))
165 return;
166
167 tty_make_frame_hidden (f);
168 if (CONSP (XCDR (tail)))
169 new = XCAR (XCDR (tail));
170 else
171 new = XCAR (frame_list);
172 tty_make_frame_unhidden (XFRAME (new));
173 tty_schedule_frame_select (XFRAME (new));
174 }
175
176 static void
177 tty_delete_frame (struct frame *f)
178 {
179 struct device *d = XDEVICE (FRAME_DEVICE (f));
180
181 if (!NILP (DEVICE_SELECTED_FRAME (d)))
182 tty_raise_frame (XFRAME (DEVICE_SELECTED_FRAME (d)));
183 }
184
185 /************************************************************************/
186 /* initialization */
187 /************************************************************************/
188
189 void
190 console_type_create_frame_tty (void)
191 {
192 CONSOLE_HAS_METHOD (tty, init_frame_1);
193 CONSOLE_HAS_METHOD (tty, init_frame_3);
194 CONSOLE_HAS_METHOD (tty, after_init_frame);
195 CONSOLE_HAS_METHOD (tty, make_frame_visible);
196 CONSOLE_HAS_METHOD (tty, make_frame_invisible);
197 CONSOLE_HAS_METHOD (tty, frame_visible_p);
198 CONSOLE_HAS_METHOD (tty, raise_frame);
199 CONSOLE_HAS_METHOD (tty, lower_frame);
200 CONSOLE_HAS_METHOD (tty, delete_frame);
201 }
202
203 void
204 vars_of_frame_tty (void)
205 {
206 DEFVAR_LISP ("default-tty-frame-plist", &Vdefault_tty_frame_plist /*
207 Plist of default frame-creation properties for tty frames.
208 These are in addition to and override what is specified in
209 `default-frame-plist', but are overridden by the arguments to the
210 particular call to `make-frame'.
211 */ );
212 Vdefault_tty_frame_plist = Qnil;
213
214 tty_console_methods->device_specific_frame_props =
215 &Vdefault_tty_frame_plist;
216
217 /* Tty frames are now supported. Advertise a feature to indicate this. */
218 Fprovide (intern ("tty-frames"));
219 }