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428
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1 /* TTY frame functions.
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771
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2 Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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3 Copyright (C) 1995, 1996, 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Written by Ben Wing.
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25 Multi-frame support added by Hrvoje Niksic. */
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26
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27 #include <config.h>
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28 #include "lisp.h"
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29
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872
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30 #include "device-impl.h"
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800
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31 #include "events.h"
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872
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32 #include "frame-impl.h"
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428
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33
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872
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34 #include "console-tty-impl.h"
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428
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35
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36
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37 /* Default properties to use when creating frames. */
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38 Lisp_Object Vdefault_tty_frame_plist;
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39
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771
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40 Lisp_Object Qframe_number;
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41
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428
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42 static void tty_raise_frame (struct frame *);
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43
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44
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45 static void
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771
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46 tty_init_frame_1 (struct frame *f, Lisp_Object props,
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47 int frame_name_is_defaulted)
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428
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48 {
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49 struct device *d = XDEVICE (FRAME_DEVICE (f));
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50 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
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51
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52 ++CONSOLE_TTY_DATA (c)->frame_count;
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53 f->order_count = CONSOLE_TTY_DATA (c)->frame_count;
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54 f->height = CONSOLE_TTY_DATA (c)->height;
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55 f->width = CONSOLE_TTY_DATA (c)->width;
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771
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56 if (frame_name_is_defaulted)
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57 f->name = emacs_sprintf_string ("F%d", f->order_count);
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428
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58 }
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59
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60 static void
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61 tty_init_frame_3 (struct frame *f)
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62 {
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63 tty_raise_frame (f);
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64 }
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65
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66 static void
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67 tty_select_frame_if_unhidden (Lisp_Object frame)
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68 {
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69 if (FRAME_REPAINT_P (XFRAME (frame)))
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70 select_frame_1 (frame);
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71 }
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72
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73 static void
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74 tty_schedule_frame_select (struct frame *f)
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75 {
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793
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76 Lisp_Object frame = wrap_frame (f);
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428
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77
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78 enqueue_magic_eval_event (tty_select_frame_if_unhidden, frame);
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79 }
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80
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81 static void
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82 tty_after_init_frame (struct frame *f, int first_on_device,
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83 int first_on_console)
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84 {
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85 if (first_on_console)
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86 call1 (Qinit_post_tty_win, FRAME_CONSOLE (f));
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87 }
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88
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89 /* Change from withdrawn state to mapped state. */
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90 static void
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91 tty_make_frame_visible (struct frame *f)
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92 {
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771
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93 if (!FRAME_VISIBLE_P (f))
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428
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94 {
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95 f->visible = -1;
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96 }
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97 }
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98
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99 /* Change from mapped state to withdrawn state. */
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100 static void
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101 tty_make_frame_invisible (struct frame *f)
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102 {
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103 f->visible = 0;
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104 }
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105
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106 static void
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107 tty_make_frame_hidden (struct frame *f)
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108 {
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109 f->visible = -1;
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110 }
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111
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112 static void
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113 tty_make_frame_unhidden (struct frame *f)
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114 {
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771
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115 if (!FRAME_REPAINT_P (f))
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428
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116 {
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771
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117 SET_FRAME_CLEAR (f);
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428
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118 f->visible = 1;
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119 }
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120 }
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121
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122 static int
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123 tty_frame_visible_p (struct frame *f)
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124 {
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125 return FRAME_VISIBLE_P (f);
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126 }
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127
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128 static void
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129 tty_raise_frame_no_select (struct frame *f)
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130 {
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131 LIST_LOOP_2 (frame, DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f))))
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132 {
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133 struct frame *o = XFRAME (frame);
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134 if (o != f && FRAME_REPAINT_P (o))
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135 {
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136 tty_make_frame_hidden (o);
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137 break;
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138 }
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139 }
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140 tty_make_frame_unhidden (f);
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141 }
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142
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143 static void
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144 tty_raise_frame (struct frame *f)
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145 {
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146 tty_raise_frame_no_select (f);
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147 tty_schedule_frame_select (f);
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148 }
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149
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150 static void
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151 tty_lower_frame (struct frame *f)
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152 {
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153 Lisp_Object frame_list = DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f)));
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154 Lisp_Object tail, new;
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155
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156 if (!FRAME_REPAINT_P (f))
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157 return;
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158
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159 LIST_LOOP (tail, frame_list)
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160 {
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161 if (f == XFRAME (XCAR (tail)))
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162 break;
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163 }
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164
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165 /* To lower this frame, another frame has to be raised. Return if
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166 there is no other frame. */
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771
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167 if (NILP (tail) && EQ (frame_list, tail))
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428
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168 return;
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169
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170 tty_make_frame_hidden (f);
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171 if (CONSP (XCDR (tail)))
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172 new = XCAR (XCDR (tail));
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173 else
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174 new = XCAR (frame_list);
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175 tty_make_frame_unhidden (XFRAME (new));
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176 tty_schedule_frame_select (XFRAME (new));
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177 }
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178
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179 static void
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180 tty_delete_frame (struct frame *f)
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181 {
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182 struct device *d = XDEVICE (FRAME_DEVICE (f));
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183
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184 if (!NILP (DEVICE_SELECTED_FRAME (d)))
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185 tty_raise_frame (XFRAME (DEVICE_SELECTED_FRAME (d)));
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186 }
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771
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187
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188 static Lisp_Object
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189 tty_frame_property (struct frame *f, Lisp_Object property)
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190 {
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191 if (EQ (Qframe_number, property))
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192 return make_int (f->order_count);
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193
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194 return Qunbound;
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195 }
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196
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197 static int
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198 tty_internal_frame_property_p (struct frame *f, Lisp_Object property)
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199 {
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200 return EQ (property, Qframe_number);
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201 }
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202
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203 static Lisp_Object
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204 tty_frame_properties (struct frame *f)
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205 {
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206 Lisp_Object props = Qnil;
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207
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208 props = cons3 (Qframe_number, make_int (f->order_count), props);
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209
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210 return props;
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211 }
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428
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212
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213 /************************************************************************/
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214 /* initialization */
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215 /************************************************************************/
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216
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217 void
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218 console_type_create_frame_tty (void)
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219 {
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220 CONSOLE_HAS_METHOD (tty, init_frame_1);
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221 CONSOLE_HAS_METHOD (tty, init_frame_3);
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222 CONSOLE_HAS_METHOD (tty, after_init_frame);
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223 CONSOLE_HAS_METHOD (tty, make_frame_visible);
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224 CONSOLE_HAS_METHOD (tty, make_frame_invisible);
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225 CONSOLE_HAS_METHOD (tty, frame_visible_p);
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226 CONSOLE_HAS_METHOD (tty, raise_frame);
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227 CONSOLE_HAS_METHOD (tty, lower_frame);
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228 CONSOLE_HAS_METHOD (tty, delete_frame);
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771
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229 CONSOLE_HAS_METHOD (tty, frame_property);
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230 CONSOLE_HAS_METHOD (tty, internal_frame_property_p);
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231 CONSOLE_HAS_METHOD (tty, frame_properties);
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232 }
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233
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234 void
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235 syms_of_frame_tty (void)
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236 {
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237 DEFSYMBOL (Qframe_number);
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428
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238 }
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239
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240 void
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241 vars_of_frame_tty (void)
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242 {
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243 DEFVAR_LISP ("default-tty-frame-plist", &Vdefault_tty_frame_plist /*
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244 Plist of default frame-creation properties for tty frames.
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245 These are in addition to and override what is specified in
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246 `default-frame-plist', but are overridden by the arguments to the
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247 particular call to `make-frame'.
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248 */ );
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249 Vdefault_tty_frame_plist = Qnil;
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250
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251 tty_console_methods->device_specific_frame_props =
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252 &Vdefault_tty_frame_plist;
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253
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254 /* Tty frames are now supported. Advertise a feature to indicate this. */
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255 Fprovide (intern ("tty-frames"));
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256 }
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