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428
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1 /* X Selection processing for XEmacs
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2 Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
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793
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3 Copyright (C) 2001, 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 synched with FSF. */
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23
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24 /* Rewritten by jwz */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28
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771
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29 #include "charset.h"
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872
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30 #include "device-impl.h"
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31 #include "frame-impl.h"
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800
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32 #include "opaque.h"
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33 #include "select.h"
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34
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872
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35 #include "console-x-impl.h"
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428
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36 #include "objects-x.h"
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37
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38 #include "systime.h"
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39
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40 int lisp_to_time (Lisp_Object, time_t *);
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41 Lisp_Object time_to_lisp (time_t);
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42
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43 #ifdef LWLIB_USES_MOTIF
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44 # define MOTIF_CLIPBOARDS
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45 #endif
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46
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47 #ifdef MOTIF_CLIPBOARDS
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1315
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48 # include "xmotif.h"
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49 /* Kludge around shadowing warnings */
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50 # define index index_
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428
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51 # include <Xm/CutPaste.h>
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1315
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52 # undef index
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428
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53 static void hack_motif_clipboard_selection (Atom selection_atom,
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54 Lisp_Object selection_value,
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55 Time thyme, Display *display,
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456
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56 Window selecting_window,
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57 int owned_p);
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428
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58 #endif
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59
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60 #define CUT_BUFFER_SUPPORT
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61
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62 #ifdef CUT_BUFFER_SUPPORT
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63 Lisp_Object QCUT_BUFFER0, QCUT_BUFFER1, QCUT_BUFFER2, QCUT_BUFFER3,
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64 QCUT_BUFFER4, QCUT_BUFFER5, QCUT_BUFFER6, QCUT_BUFFER7;
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65 #endif
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66
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67 Lisp_Object Vx_sent_selection_hooks;
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68
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69 /* If this is a smaller number than the max-request-size of the display,
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70 emacs will use INCR selection transfer when the selection is larger
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71 than this. The max-request-size is usually around 64k, so if you want
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72 emacs to use incremental selection transfers when the selection is
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73 smaller than that, set this. I added this mostly for debugging the
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74 incremental transfer stuff, but it might improve server performance.
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75 */
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76 #define MAX_SELECTION_QUANTUM 0xFFFFFF
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77
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78 #define SELECTION_QUANTUM(dpy) ((XMaxRequestSize (dpy) << 2) - 100)
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79
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80 /* If the selection owner takes too long to reply to a selection request,
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81 we give up on it. This is in seconds (0 = no timeout).
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82 */
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458
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83 Fixnum x_selection_timeout;
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428
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84
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456
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85 /* Enable motif selection optimizations. */
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86 int x_selection_strict_motif_ownership;
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87
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428
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88
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89 /* Utility functions */
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90
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91 static Lisp_Object x_get_window_property_as_lisp_data (Display *,
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92 Window,
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93 Atom property,
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94 Lisp_Object target_type,
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95 Atom selection_atom);
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96
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97 static int expect_property_change (Display *, Window, Atom prop, int state);
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98 static void wait_for_property_change (long);
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99 static void unexpect_property_change (int);
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100 static int waiting_for_other_props_on_window (Display *, Window);
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101
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102 /* This converts a Lisp symbol to a server Atom, avoiding a server
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103 roundtrip whenever possible.
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104 */
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105 static Atom
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106 symbol_to_x_atom (struct device *d, Lisp_Object sym, int only_if_exists)
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107 {
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108 Display *display = DEVICE_X_DISPLAY (d);
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109
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110 if (NILP (sym)) return XA_PRIMARY;
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111 if (EQ (sym, Qt)) return XA_SECONDARY;
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112 if (EQ (sym, QPRIMARY)) return XA_PRIMARY;
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113 if (EQ (sym, QSECONDARY)) return XA_SECONDARY;
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114 if (EQ (sym, QSTRING)) return XA_STRING;
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115 if (EQ (sym, QINTEGER)) return XA_INTEGER;
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116 if (EQ (sym, QATOM)) return XA_ATOM;
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117 if (EQ (sym, QCLIPBOARD)) return DEVICE_XATOM_CLIPBOARD (d);
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118 if (EQ (sym, QTIMESTAMP)) return DEVICE_XATOM_TIMESTAMP (d);
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119 if (EQ (sym, QTEXT)) return DEVICE_XATOM_TEXT (d);
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120 if (EQ (sym, QDELETE)) return DEVICE_XATOM_DELETE (d);
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121 if (EQ (sym, QMULTIPLE)) return DEVICE_XATOM_MULTIPLE (d);
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122 if (EQ (sym, QINCR)) return DEVICE_XATOM_INCR (d);
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123 if (EQ (sym, QEMACS_TMP)) return DEVICE_XATOM_EMACS_TMP (d);
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124 if (EQ (sym, QTARGETS)) return DEVICE_XATOM_TARGETS (d);
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125 if (EQ (sym, QNULL)) return DEVICE_XATOM_NULL (d);
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126 if (EQ (sym, QATOM_PAIR)) return DEVICE_XATOM_ATOM_PAIR (d);
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127 if (EQ (sym, QCOMPOUND_TEXT)) return DEVICE_XATOM_COMPOUND_TEXT (d);
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128
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129 #ifdef CUT_BUFFER_SUPPORT
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130 if (EQ (sym, QCUT_BUFFER0)) return XA_CUT_BUFFER0;
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131 if (EQ (sym, QCUT_BUFFER1)) return XA_CUT_BUFFER1;
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132 if (EQ (sym, QCUT_BUFFER2)) return XA_CUT_BUFFER2;
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133 if (EQ (sym, QCUT_BUFFER3)) return XA_CUT_BUFFER3;
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134 if (EQ (sym, QCUT_BUFFER4)) return XA_CUT_BUFFER4;
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135 if (EQ (sym, QCUT_BUFFER5)) return XA_CUT_BUFFER5;
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136 if (EQ (sym, QCUT_BUFFER6)) return XA_CUT_BUFFER6;
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137 if (EQ (sym, QCUT_BUFFER7)) return XA_CUT_BUFFER7;
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138 #endif /* CUT_BUFFER_SUPPORT */
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139
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140 {
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647
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141 const Extbyte *nameext;
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442
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142 LISP_STRING_TO_EXTERNAL (Fsymbol_name (sym), nameext, Qctext);
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428
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143 return XInternAtom (display, nameext, only_if_exists ? True : False);
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144 }
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145 }
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146
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147
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148 /* This converts a server Atom to a Lisp symbol, avoiding server roundtrips
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149 and calls to intern whenever possible.
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150 */
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151 static Lisp_Object
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152 x_atom_to_symbol (struct device *d, Atom atom)
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153 {
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154 Display *display = DEVICE_X_DISPLAY (d);
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155
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156 if (! atom) return Qnil;
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157 if (atom == XA_PRIMARY) return QPRIMARY;
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158 if (atom == XA_SECONDARY) return QSECONDARY;
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159 if (atom == XA_STRING) return QSTRING;
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160 if (atom == XA_INTEGER) return QINTEGER;
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161 if (atom == XA_ATOM) return QATOM;
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162 if (atom == DEVICE_XATOM_CLIPBOARD (d)) return QCLIPBOARD;
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163 if (atom == DEVICE_XATOM_TIMESTAMP (d)) return QTIMESTAMP;
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164 if (atom == DEVICE_XATOM_TEXT (d)) return QTEXT;
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165 if (atom == DEVICE_XATOM_DELETE (d)) return QDELETE;
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166 if (atom == DEVICE_XATOM_MULTIPLE (d)) return QMULTIPLE;
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167 if (atom == DEVICE_XATOM_INCR (d)) return QINCR;
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168 if (atom == DEVICE_XATOM_EMACS_TMP (d)) return QEMACS_TMP;
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169 if (atom == DEVICE_XATOM_TARGETS (d)) return QTARGETS;
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170 if (atom == DEVICE_XATOM_NULL (d)) return QNULL;
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171 if (atom == DEVICE_XATOM_ATOM_PAIR (d)) return QATOM_PAIR;
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172 if (atom == DEVICE_XATOM_COMPOUND_TEXT (d)) return QCOMPOUND_TEXT;
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173
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174 #ifdef CUT_BUFFER_SUPPORT
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175 if (atom == XA_CUT_BUFFER0) return QCUT_BUFFER0;
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176 if (atom == XA_CUT_BUFFER1) return QCUT_BUFFER1;
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177 if (atom == XA_CUT_BUFFER2) return QCUT_BUFFER2;
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178 if (atom == XA_CUT_BUFFER3) return QCUT_BUFFER3;
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179 if (atom == XA_CUT_BUFFER4) return QCUT_BUFFER4;
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180 if (atom == XA_CUT_BUFFER5) return QCUT_BUFFER5;
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181 if (atom == XA_CUT_BUFFER6) return QCUT_BUFFER6;
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182 if (atom == XA_CUT_BUFFER7) return QCUT_BUFFER7;
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183 #endif
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184
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185 {
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867
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186 Ibyte *intstr;
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771
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187 Extbyte *str = XGetAtomName (display, atom);
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428
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188
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189 if (! str) return Qnil;
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190
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440
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191 TO_INTERNAL_FORMAT (C_STRING, str,
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192 C_STRING_ALLOCA, intstr,
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193 Qctext);
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428
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194 XFree (str);
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771
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195 return intern_int (intstr);
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428
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196 }
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197 }
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198
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647
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199 #define PROCESSING_X_CODE
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200 #include "select-common.h"
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201 #undef PROCESSING_X_CODE
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428
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202
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203 /* Do protocol to assert ourself as a selection owner.
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204 */
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205 static Lisp_Object
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2286
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206 x_own_selection (Lisp_Object selection_name,
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207 #ifdef MOTIF_CLIPBOARDS
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208 Lisp_Object selection_value,
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209 #else
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210 Lisp_Object UNUSED (selection_value),
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211 #endif
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212 Lisp_Object UNUSED (how_to_add),
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213 Lisp_Object UNUSED (selection_type),
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214 #ifdef MOTIF_CLIPBOARDS
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215 int owned_p
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216 #else
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217 int UNUSED (owned_p)
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218 #endif
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219 )
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428
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220 {
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221 struct device *d = decode_x_device (Qnil);
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222 Display *display = DEVICE_X_DISPLAY (d);
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223 struct frame *sel_frame = selected_frame ();
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224 Window selecting_window = XtWindow (FRAME_X_TEXT_WIDGET (sel_frame));
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225 Lisp_Object selection_time;
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226 /* Use the time of the last-read mouse or keyboard event.
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227 For selection purposes, we use this as a sleazy way of knowing what the
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228 current time is in server-time. This assumes that the most recently read
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229 mouse or keyboard event has something to do with the assertion of the
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230 selection, which is probably true.
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231 */
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232 Time thyme = DEVICE_X_MOUSE_TIMESTAMP (d);
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233 Atom selection_atom;
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234
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235 CHECK_SYMBOL (selection_name);
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236 selection_atom = symbol_to_x_atom (d, selection_name, 0);
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237
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238 XSetSelectionOwner (display, selection_atom, selecting_window, thyme);
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239
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2620
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240 /* [[ We do NOT use time_to_lisp() here any more, like we used to.
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428
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241 That assumed equivalence of time_t and Time, which is not
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242 necessarily the case (e.g. under OSF on the Alphas, where
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2620
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243 Time is a 64-bit quantity and time_t is a 32-bit quantity).]]
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244
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245 This is wrong--on Digital Unix, time_t is a sixty-four-bit quantity,
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246 and Time is, as the X protocol dictates, a thirty-two-bit quantity.
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442
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247
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2620
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248 [[ Opaque pointers are the clean way to go here. ]]
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249
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250 Again, I disagree--the Lisp selection infrastructure needs to be
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251 able to manipulate the selection timestamps if it is, as we want
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252 it to, to be able to do most of the work. Though I have moved the
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253 conversion to lisp to get-xemacs-selection-timestamp. -- Aidan. */
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254
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440
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255 selection_time = make_opaque (&thyme, sizeof (thyme));
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428
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256
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257 #ifdef MOTIF_CLIPBOARDS
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258 hack_motif_clipboard_selection (selection_atom, selection_value,
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456
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259 thyme, display, selecting_window, owned_p);
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428
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260 #endif
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261 return selection_time;
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262 }
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263
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264 #ifdef MOTIF_CLIPBOARDS /* Bend over baby. Take it and like it. */
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265
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266 # ifdef MOTIF_INCREMENTAL_CLIPBOARDS_WORK
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267 static void motif_clipboard_cb ();
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268 # endif
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269
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270 static void
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271 hack_motif_clipboard_selection (Atom selection_atom,
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272 Lisp_Object selection_value,
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273 Time thyme,
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274 Display *display,
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456
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275 Window selecting_window,
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276 int owned_p)
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428
|
277 {
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278 struct device *d = get_device_from_display (display);
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279 /* Those Motif wankers can't be bothered to follow the ICCCM, and do
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280 their own non-Xlib non-Xt clipboard processing. So we have to do
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281 this so that linked-in Motif widgets don't get themselves wedged.
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282 */
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283 if (selection_atom == DEVICE_XATOM_CLIPBOARD (d)
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284 && STRINGP (selection_value)
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285
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286 /* If we already own the clipboard, don't own it again in the Motif
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287 way. This might lose in some subtle way, since the timestamp won't
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288 be current, but owning the selection on the Motif way does a
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289 SHITLOAD of X protocol, and it makes killing text be incredibly
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290 slow when using an X terminal. ARRRRGGGHHH!!!!
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291 */
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292 /* No, this is no good, because then Motif text fields don't bother
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293 to look up the new value, and you can't Copy from a buffer, Paste
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294 into a text field, then Copy something else from the buffer and
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295 paste it into the text field -- it pastes the first thing again. */
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456
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296 && (!owned_p
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297 /* Selectively re-enable this because for most users its
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298 just too painful - especially over a remote link. */
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299 || x_selection_strict_motif_ownership)
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428
|
300 )
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|
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301 {
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|
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302 #ifdef MOTIF_INCREMENTAL_CLIPBOARDS_WORK
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303 Widget widget = FRAME_X_TEXT_WIDGET (selected_frame());
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304 #endif
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305 long itemid;
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306 #if XmVersion >= 1002
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307 long dataid;
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308 #else
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309 int dataid; /* 1.2 wants long, but 1.1.5 wants int... */
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310 #endif
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311 XmString fmh;
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|
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312 String encoding = "STRING";
|
|
867
|
313 const Ibyte *data = XSTRING_DATA (selection_value);
|
|
444
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314 Bytecount bytes = XSTRING_LENGTH (selection_value);
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|
428
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315
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|
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316 #ifdef MULE
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|
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317 {
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|
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318 enum { ASCII, LATIN_1, WORLD } chartypes = ASCII;
|
|
867
|
319 const Ibyte *ptr = data, *end = ptr + bytes;
|
|
428
|
320 /* Optimize for the common ASCII case */
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321 while (ptr <= end)
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|
|
322 {
|
|
826
|
323 if (byte_ascii_p (*ptr))
|
|
428
|
324 {
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|
|
325 ptr++;
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|
326 continue;
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|
|
327 }
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|
|
328
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|
|
329 if ((*ptr) == LEADING_BYTE_LATIN_ISO8859_1 ||
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|
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330 (*ptr) == LEADING_BYTE_CONTROL_1)
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|
|
331 {
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332 chartypes = LATIN_1;
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|
333 ptr += 2;
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334 continue;
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|
|
335 }
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336
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337 chartypes = WORLD;
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|
338 break;
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|
|
339 }
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|
|
340
|
|
|
341 if (chartypes == LATIN_1)
|
|
440
|
342 TO_EXTERNAL_FORMAT (LISP_STRING, selection_value,
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|
|
343 ALLOCA, (data, bytes),
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|
|
344 Qbinary);
|
|
428
|
345 else if (chartypes == WORLD)
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|
|
346 {
|
|
440
|
347 TO_EXTERNAL_FORMAT (LISP_STRING, selection_value,
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|
|
348 ALLOCA, (data, bytes),
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|
|
349 Qctext);
|
|
428
|
350 encoding = "COMPOUND_TEXT";
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|
|
351 }
|
|
|
352 }
|
|
|
353 #endif /* MULE */
|
|
|
354
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|
|
355 fmh = XmStringCreateLtoR ("Clipboard", XmSTRING_DEFAULT_CHARSET);
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|
|
356 while (ClipboardSuccess !=
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|
|
357 XmClipboardStartCopy (display, selecting_window, fmh, thyme,
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|
|
358 #ifdef MOTIF_INCREMENTAL_CLIPBOARDS_WORK
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|
|
359 widget, motif_clipboard_cb,
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|
|
360 #else
|
|
|
361 0, NULL,
|
|
|
362 #endif
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|
|
363 &itemid))
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|
|
364 ;
|
|
|
365 XmStringFree (fmh);
|
|
|
366 while (ClipboardSuccess !=
|
|
|
367 XmClipboardCopy (display, selecting_window, itemid, encoding,
|
|
|
368 #ifdef MOTIF_INCREMENTAL_CLIPBOARDS_WORK
|
|
|
369 /* O'Reilly examples say size can be 0,
|
|
|
370 but this clearly is not the case. */
|
|
|
371 0, bytes, (int) selecting_window, /* private id */
|
|
|
372 #else /* !MOTIF_INCREMENTAL_CLIPBOARDS_WORK */
|
|
|
373 (XtPointer) data, bytes, 0,
|
|
|
374 #endif /* !MOTIF_INCREMENTAL_CLIPBOARDS_WORK */
|
|
|
375 &dataid))
|
|
|
376 ;
|
|
|
377 while (ClipboardSuccess !=
|
|
|
378 XmClipboardEndCopy (display, selecting_window, itemid))
|
|
|
379 ;
|
|
|
380 }
|
|
|
381 }
|
|
|
382
|
|
|
383 # ifdef MOTIF_INCREMENTAL_CLIPBOARDS_WORK
|
|
|
384 /* I tried to treat the clipboard like a real selection, and not send
|
|
|
385 the data until it was requested, but it looks like that just doesn't
|
|
|
386 work at all unless the selection owner and requestor are in different
|
|
|
387 processes. From reading the Motif source, it looks like they never
|
|
|
388 even considered having two widgets in the same application transfer
|
|
|
389 data between each other using "by-name" clipboard values. What a
|
|
|
390 bunch of fuckups.
|
|
|
391 */
|
|
|
392 static void
|
|
|
393 motif_clipboard_cb (Widget widget, int *data_id, int *private_id, int *reason)
|
|
|
394 {
|
|
|
395 switch (*reason)
|
|
|
396 {
|
|
|
397 case XmCR_CLIPBOARD_DATA_REQUEST:
|
|
|
398 {
|
|
|
399 Display *dpy = XtDisplay (widget);
|
|
|
400 Window window = (Window) *private_id;
|
|
442
|
401 Lisp_Object selection = select_convert_out (QCLIPBOARD, Qnil, Qnil);
|
|
|
402
|
|
2500
|
403 /* Whichever lazy git wrote this originally just called ABORT()
|
|
442
|
404 when anything didn't go their way... */
|
|
|
405
|
|
|
406 /* Try some other text types */
|
|
|
407 if (NILP (selection))
|
|
|
408 selection = select_convert_out (QCLIPBOARD, QSTRING, Qnil);
|
|
|
409 if (NILP (selection))
|
|
|
410 selection = select_convert_out (QCLIPBOARD, QTEXT, Qnil);
|
|
|
411 if (NILP (selection))
|
|
|
412 selection = select_convert_out (QCLIPBOARD, QCOMPOUND_TEXT, Qnil);
|
|
|
413
|
|
|
414 if (CONSP (selection) && SYMBOLP (XCAR (selection))
|
|
|
415 && (EQ (XCAR (selection), QSTRING)
|
|
|
416 || EQ (XCAR (selection), QTEXT)
|
|
|
417 || EQ (XCAR (selection), QCOMPOUND_TEXT)))
|
|
|
418 selection = XCDR (selection);
|
|
|
419
|
|
|
420 if (NILP (selection))
|
|
563
|
421 signal_error (Qselection_conversion_error, "no selection",
|
|
|
422 Qunbound);
|
|
442
|
423
|
|
|
424 if (!STRINGP (selection))
|
|
|
425 signal_error (Qselection_conversion_error,
|
|
563
|
426 "couldn't convert selection to string", Qunbound);
|
|
442
|
427
|
|
|
428
|
|
428
|
429 XmClipboardCopyByName (dpy, window, *data_id,
|
|
|
430 (char *) XSTRING_DATA (selection),
|
|
|
431 XSTRING_LENGTH (selection) + 1,
|
|
|
432 0);
|
|
|
433 }
|
|
|
434 break;
|
|
|
435 case XmCR_CLIPBOARD_DATA_DELETE:
|
|
|
436 default:
|
|
|
437 /* don't need to free anything */
|
|
|
438 break;
|
|
|
439 }
|
|
|
440 }
|
|
|
441 # endif /* MOTIF_INCREMENTAL_CLIPBOARDS_WORK */
|
|
|
442 #endif /* MOTIF_CLIPBOARDS */
|
|
|
443
|
|
|
444
|
|
|
445
|
|
|
446
|
|
|
447 /* Send a SelectionNotify event to the requestor with property=None, meaning
|
|
|
448 we were unable to do what they wanted.
|
|
|
449 */
|
|
|
450 static void
|
|
|
451 x_decline_selection_request (XSelectionRequestEvent *event)
|
|
|
452 {
|
|
|
453 XSelectionEvent reply;
|
|
|
454 reply.type = SelectionNotify;
|
|
|
455 reply.display = event->display;
|
|
|
456 reply.requestor = event->requestor;
|
|
|
457 reply.selection = event->selection;
|
|
|
458 reply.time = event->time;
|
|
|
459 reply.target = event->target;
|
|
|
460 reply.property = None;
|
|
|
461
|
|
|
462 XSendEvent (reply.display, reply.requestor, False, 0L, (XEvent *) &reply);
|
|
|
463 XFlush (reply.display);
|
|
|
464 }
|
|
|
465
|
|
|
466
|
|
|
467 /* Used as an unwind-protect clause so that, if a selection-converter signals
|
|
|
468 an error, we tell the requestor that we were unable to do what they wanted
|
|
|
469 before we throw to top-level or go into the debugger or whatever.
|
|
|
470 */
|
|
|
471 static Lisp_Object
|
|
|
472 x_selection_request_lisp_error (Lisp_Object closure)
|
|
|
473 {
|
|
|
474 XSelectionRequestEvent *event = (XSelectionRequestEvent *)
|
|
|
475 get_opaque_ptr (closure);
|
|
|
476
|
|
|
477 free_opaque_ptr (closure);
|
|
|
478 if (event->type == 0) /* we set this to mean "completed normally" */
|
|
|
479 return Qnil;
|
|
|
480 x_decline_selection_request (event);
|
|
|
481 return Qnil;
|
|
|
482 }
|
|
|
483
|
|
|
484
|
|
|
485 /* Convert our selection to the requested type, and put that data where the
|
|
|
486 requestor wants it. Then tell them whether we've succeeded.
|
|
|
487 */
|
|
|
488 static void
|
|
|
489 x_reply_selection_request (XSelectionRequestEvent *event, int format,
|
|
2367
|
490 Rawbyte *data, Bytecount size, Atom type)
|
|
428
|
491 {
|
|
|
492 /* This function can GC */
|
|
|
493 XSelectionEvent reply;
|
|
|
494 Display *display = event->display;
|
|
|
495 struct device *d = get_device_from_display (display);
|
|
|
496 Window window = event->requestor;
|
|
665
|
497 Bytecount bytes_remaining;
|
|
428
|
498 int format_bytes = format/8;
|
|
665
|
499 Bytecount max_bytes = SELECTION_QUANTUM (display);
|
|
428
|
500 if (max_bytes > MAX_SELECTION_QUANTUM) max_bytes = MAX_SELECTION_QUANTUM;
|
|
|
501
|
|
|
502 reply.type = SelectionNotify;
|
|
|
503 reply.display = display;
|
|
|
504 reply.requestor = window;
|
|
|
505 reply.selection = event->selection;
|
|
|
506 reply.time = event->time;
|
|
|
507 reply.target = event->target;
|
|
|
508 reply.property = (event->property == None ? event->target : event->property);
|
|
|
509
|
|
|
510 /* #### XChangeProperty can generate BadAlloc, and we must handle it! */
|
|
|
511
|
|
|
512 /* Store the data on the requested property.
|
|
|
513 If the selection is large, only store the first N bytes of it.
|
|
|
514 */
|
|
|
515 bytes_remaining = size * format_bytes;
|
|
|
516 if (bytes_remaining <= max_bytes)
|
|
|
517 {
|
|
|
518 /* Send all the data at once, with minimal handshaking. */
|
|
|
519 #if 0
|
|
|
520 stderr_out ("\nStoring all %d\n", bytes_remaining);
|
|
|
521 #endif
|
|
|
522 XChangeProperty (display, window, reply.property, type, format,
|
|
|
523 PropModeReplace, data, size);
|
|
|
524 /* At this point, the selection was successfully stored; ack it. */
|
|
|
525 XSendEvent (display, window, False, 0L, (XEvent *) &reply);
|
|
|
526 XFlush (display);
|
|
|
527 }
|
|
|
528 else
|
|
|
529 {
|
|
2625
|
530 #ifndef HAVE_XTREGISTERDRAWABLE
|
|
2627
|
531 invalid_operation("Copying that much data requires X11R6.", Qunbound);
|
|
2625
|
532 #else
|
|
428
|
533 /* Send an INCR selection. */
|
|
|
534 int prop_id;
|
|
2623
|
535 Widget widget = FRAME_X_TEXT_WIDGET (XFRAME(DEVICE_SELECTED_FRAME(d)));
|
|
428
|
536
|
|
|
537 if (x_window_to_frame (d, window)) /* #### debug */
|
|
2619
|
538 invalid_operation ("attempt to transfer an INCR to ourself!",
|
|
|
539 Qunbound);
|
|
428
|
540 #if 0
|
|
|
541 stderr_out ("\nINCR %d\n", bytes_remaining);
|
|
|
542 #endif
|
|
2619
|
543
|
|
|
544 /* Tell Xt not to drop PropertyNotify events that arrive for the
|
|
|
545 target window, rather, pass them to us. This would be a hack, but
|
|
|
546 the Xt selection routines are broken for our purposes--we can't
|
|
|
547 pass them callbacks from Lisp, for example. Let's call it a
|
|
2629
|
548 workaround.
|
|
|
549
|
|
|
550 The call to wait_for_property_change means we can break out of that
|
|
|
551 function, switch to another frame on the same display (which will
|
|
|
552 be another Xt widget), select a huge amount of text, and have the
|
|
|
553 same (foreign) app ask for another incremental selection
|
|
|
554 transfer. Programming like X11 made sense, would mean that, in that
|
|
|
555 case, XtRegisterDrawable is called twice with different widgets.
|
|
|
556
|
|
|
557 Since the results of calling XtRegisterDrawable when the drawable
|
|
|
558 is already registered with another widget are undefined, we want to
|
|
|
559 avoid that--so, only call it when XtWindowToWidget returns NULL,
|
|
|
560 which it will only do with a valid Window if it's not already
|
|
|
561 registered. */
|
|
|
562 if (NULL == XtWindowToWidget(display, window))
|
|
|
563 {
|
|
|
564 XtRegisterDrawable(display, (Drawable)window, widget);
|
|
|
565 }
|
|
2619
|
566
|
|
428
|
567 prop_id = expect_property_change (display, window, reply.property,
|
|
|
568 PropertyDelete);
|
|
|
569
|
|
|
570 XChangeProperty (display, window, reply.property, DEVICE_XATOM_INCR (d),
|
|
2367
|
571 32, PropModeReplace, (Rawbyte *)
|
|
428
|
572 &bytes_remaining, 1);
|
|
|
573 XSelectInput (display, window, PropertyChangeMask);
|
|
|
574 /* Tell 'em the INCR data is there... */
|
|
|
575 XSendEvent (display, window, False, 0L, (XEvent *) &reply);
|
|
|
576 XFlush (display);
|
|
|
577
|
|
|
578 /* First, wait for the requestor to ack by deleting the property.
|
|
|
579 This can run random lisp code (process handlers) or signal.
|
|
|
580 */
|
|
|
581 wait_for_property_change (prop_id);
|
|
|
582
|
|
|
583 while (bytes_remaining)
|
|
|
584 {
|
|
665
|
585 Bytecount i = ((bytes_remaining < max_bytes)
|
|
428
|
586 ? bytes_remaining
|
|
|
587 : max_bytes);
|
|
|
588 prop_id = expect_property_change (display, window, reply.property,
|
|
|
589 PropertyDelete);
|
|
|
590 #if 0
|
|
|
591 stderr_out (" INCR adding %d\n", i);
|
|
|
592 #endif
|
|
|
593 /* Append the next chunk of data to the property. */
|
|
|
594 XChangeProperty (display, window, reply.property, type, format,
|
|
|
595 PropModeAppend, data, i / format_bytes);
|
|
|
596 bytes_remaining -= i;
|
|
|
597 data += i;
|
|
|
598
|
|
|
599 /* Now wait for the requestor to ack this chunk by deleting the
|
|
|
600 property. This can run random lisp code or signal.
|
|
|
601 */
|
|
|
602 wait_for_property_change (prop_id);
|
|
|
603 }
|
|
|
604 /* Now write a zero-length chunk to the property to tell the requestor
|
|
|
605 that we're done. */
|
|
|
606 #if 0
|
|
|
607 stderr_out (" INCR done\n");
|
|
|
608 #endif
|
|
|
609 if (! waiting_for_other_props_on_window (display, window))
|
|
2619
|
610 {
|
|
428
|
611 XSelectInput (display, window, 0L);
|
|
2619
|
612 XtUnregisterDrawable(display, (Drawable)window);
|
|
|
613 }
|
|
428
|
614 XChangeProperty (display, window, reply.property, type, format,
|
|
|
615 PropModeReplace, data, 0);
|
|
2625
|
616 #endif /* HAVE_XTREGISTERDRAWABLE */
|
|
428
|
617 }
|
|
|
618 }
|
|
|
619
|
|
|
620
|
|
|
621
|
|
|
622 /* Called from the event-loop in response to a SelectionRequest event.
|
|
|
623 */
|
|
|
624 void
|
|
|
625 x_handle_selection_request (XSelectionRequestEvent *event)
|
|
|
626 {
|
|
|
627 /* This function can GC */
|
|
442
|
628 struct gcpro gcpro1, gcpro2;
|
|
|
629 Lisp_Object temp_obj;
|
|
428
|
630 Lisp_Object selection_symbol;
|
|
|
631 Lisp_Object target_symbol = Qnil;
|
|
|
632 Lisp_Object converted_selection = Qnil;
|
|
|
633 Time local_selection_time;
|
|
|
634 Lisp_Object successful_p = Qnil;
|
|
|
635 int count;
|
|
|
636 struct device *d = get_device_from_display (event->display);
|
|
|
637
|
|
442
|
638 GCPRO2 (converted_selection, target_symbol);
|
|
428
|
639
|
|
|
640 selection_symbol = x_atom_to_symbol (d, event->selection);
|
|
442
|
641 target_symbol = x_atom_to_symbol (d, event->target);
|
|
428
|
642
|
|
442
|
643 #if 0 /* #### MULTIPLE doesn't work yet */
|
|
|
644 if (EQ (target_symbol, QMULTIPLE))
|
|
|
645 target_symbol = fetch_multiple_target (event);
|
|
428
|
646 #endif
|
|
|
647
|
|
2620
|
648 temp_obj = get_selection_raw_time (selection_symbol);
|
|
442
|
649
|
|
|
650 if (NILP (temp_obj))
|
|
428
|
651 {
|
|
442
|
652 /* We don't appear to have the selection. */
|
|
428
|
653 x_decline_selection_request (event);
|
|
442
|
654
|
|
428
|
655 goto DONE_LABEL;
|
|
|
656 }
|
|
|
657
|
|
442
|
658 local_selection_time = * (Time *) XOPAQUE_DATA (temp_obj);
|
|
428
|
659
|
|
|
660 if (event->time != CurrentTime &&
|
|
|
661 local_selection_time > event->time)
|
|
|
662 {
|
|
|
663 /* Someone asked for the selection, and we have one, but not the one
|
|
|
664 they're looking for. */
|
|
|
665 x_decline_selection_request (event);
|
|
|
666 goto DONE_LABEL;
|
|
|
667 }
|
|
|
668
|
|
442
|
669 converted_selection = select_convert_out (selection_symbol,
|
|
|
670 target_symbol, Qnil);
|
|
|
671
|
|
|
672 /* #### Is this the right thing to do? I'm no X expert. -- ajh */
|
|
|
673 if (NILP (converted_selection))
|
|
|
674 {
|
|
|
675 /* We don't appear to have a selection in that data type. */
|
|
|
676 x_decline_selection_request (event);
|
|
|
677 goto DONE_LABEL;
|
|
|
678 }
|
|
|
679
|
|
428
|
680 count = specpdl_depth ();
|
|
|
681 record_unwind_protect (x_selection_request_lisp_error,
|
|
|
682 make_opaque_ptr (event));
|
|
|
683
|
|
442
|
684 {
|
|
2367
|
685 Rawbyte *data;
|
|
665
|
686 Bytecount size;
|
|
442
|
687 int format;
|
|
|
688 Atom type;
|
|
|
689 lisp_data_to_selection_data (d, converted_selection,
|
|
|
690 &data, &type, &size, &format);
|
|
428
|
691
|
|
442
|
692 x_reply_selection_request (event, format, data, size, type);
|
|
|
693 successful_p = Qt;
|
|
|
694 /* Tell x_selection_request_lisp_error() it's cool. */
|
|
|
695 event->type = 0;
|
|
2620
|
696 /* Data need not have been allocated; cf. select-convert-to-delete in
|
|
|
697 lisp/select.el . */
|
|
|
698 if ((Rawbyte *)0 != data)
|
|
|
699 {
|
|
|
700 xfree (data, Rawbyte *);
|
|
|
701 }
|
|
442
|
702 }
|
|
|
703
|
|
771
|
704 unbind_to (count);
|
|
428
|
705
|
|
|
706 DONE_LABEL:
|
|
|
707
|
|
|
708 UNGCPRO;
|
|
|
709
|
|
|
710 /* Let random lisp code notice that the selection has been asked for. */
|
|
|
711 {
|
|
|
712 Lisp_Object val = Vx_sent_selection_hooks;
|
|
|
713 if (!UNBOUNDP (val) && !NILP (val))
|
|
|
714 {
|
|
442
|
715 Lisp_Object rest;
|
|
428
|
716 if (CONSP (val) && !EQ (XCAR (val), Qlambda))
|
|
|
717 for (rest = val; !NILP (rest); rest = Fcdr (rest))
|
|
442
|
718 call3 (Fcar (rest), selection_symbol, target_symbol, successful_p);
|
|
428
|
719 else
|
|
442
|
720 call3 (val, selection_symbol, target_symbol, successful_p);
|
|
428
|
721 }
|
|
|
722 }
|
|
|
723 }
|
|
|
724
|
|
|
725
|
|
|
726 /* Called from the event-loop in response to a SelectionClear event.
|
|
|
727 */
|
|
|
728 void
|
|
|
729 x_handle_selection_clear (XSelectionClearEvent *event)
|
|
|
730 {
|
|
|
731 Display *display = event->display;
|
|
|
732 struct device *d = get_device_from_display (display);
|
|
|
733 Atom selection = event->selection;
|
|
|
734 Time changed_owner_time = event->time;
|
|
|
735
|
|
442
|
736 Lisp_Object selection_symbol, local_selection_time_lisp;
|
|
428
|
737 Time local_selection_time;
|
|
|
738
|
|
|
739 selection_symbol = x_atom_to_symbol (d, selection);
|
|
|
740
|
|
2620
|
741 local_selection_time_lisp = get_selection_raw_time (selection_symbol);
|
|
428
|
742
|
|
442
|
743 /* We don't own the selection, so that's fine. */
|
|
|
744 if (NILP (local_selection_time_lisp))
|
|
|
745 return;
|
|
428
|
746
|
|
442
|
747 local_selection_time = * (Time *) XOPAQUE_DATA (local_selection_time_lisp);
|
|
428
|
748
|
|
|
749 /* This SelectionClear is for a selection that we no longer own, so we can
|
|
|
750 disregard it. (That is, we have reasserted the selection since this
|
|
|
751 request was generated.)
|
|
|
752 */
|
|
|
753 if (changed_owner_time != CurrentTime &&
|
|
|
754 local_selection_time > changed_owner_time)
|
|
|
755 return;
|
|
442
|
756
|
|
428
|
757 handle_selection_clear (selection_symbol);
|
|
|
758 }
|
|
|
759
|
|
|
760
|
|
|
761 /* This stuff is so that INCR selections are reentrant (that is, so we can
|
|
|
762 be servicing multiple INCR selection requests simultaneously). I haven't
|
|
|
763 actually tested that yet.
|
|
|
764 */
|
|
|
765
|
|
|
766 static int prop_location_tick;
|
|
|
767
|
|
|
768 static struct prop_location {
|
|
|
769 int tick;
|
|
|
770 Display *display;
|
|
|
771 Window window;
|
|
|
772 Atom property;
|
|
|
773 int desired_state;
|
|
|
774 struct prop_location *next;
|
|
|
775 } *for_whom_the_bell_tolls;
|
|
|
776
|
|
|
777
|
|
|
778 static int
|
|
|
779 property_deleted_p (void *tick)
|
|
|
780 {
|
|
|
781 struct prop_location *rest = for_whom_the_bell_tolls;
|
|
|
782 while (rest)
|
|
|
783 if (rest->tick == (long) tick)
|
|
|
784 return 0;
|
|
|
785 else
|
|
|
786 rest = rest->next;
|
|
|
787 return 1;
|
|
|
788 }
|
|
|
789
|
|
|
790 static int
|
|
|
791 waiting_for_other_props_on_window (Display *display, Window window)
|
|
|
792 {
|
|
|
793 struct prop_location *rest = for_whom_the_bell_tolls;
|
|
|
794 while (rest)
|
|
|
795 if (rest->display == display && rest->window == window)
|
|
|
796 return 1;
|
|
|
797 else
|
|
|
798 rest = rest->next;
|
|
|
799 return 0;
|
|
|
800 }
|
|
|
801
|
|
|
802
|
|
|
803 static int
|
|
|
804 expect_property_change (Display *display, Window window,
|
|
|
805 Atom property, int state)
|
|
|
806 {
|
|
|
807 struct prop_location *pl = xnew (struct prop_location);
|
|
|
808 pl->tick = ++prop_location_tick;
|
|
|
809 pl->display = display;
|
|
|
810 pl->window = window;
|
|
|
811 pl->property = property;
|
|
|
812 pl->desired_state = state;
|
|
|
813 pl->next = for_whom_the_bell_tolls;
|
|
|
814 for_whom_the_bell_tolls = pl;
|
|
|
815 return pl->tick;
|
|
|
816 }
|
|
|
817
|
|
|
818 static void
|
|
|
819 unexpect_property_change (int tick)
|
|
|
820 {
|
|
|
821 struct prop_location *prev = 0, *rest = for_whom_the_bell_tolls;
|
|
|
822 while (rest)
|
|
|
823 {
|
|
|
824 if (rest->tick == tick)
|
|
|
825 {
|
|
|
826 if (prev)
|
|
|
827 prev->next = rest->next;
|
|
|
828 else
|
|
|
829 for_whom_the_bell_tolls = rest->next;
|
|
1726
|
830 xfree (rest, struct prop_location *);
|
|
428
|
831 return;
|
|
|
832 }
|
|
|
833 prev = rest;
|
|
|
834 rest = rest->next;
|
|
|
835 }
|
|
|
836 }
|
|
|
837
|
|
|
838 static void
|
|
|
839 wait_for_property_change (long tick)
|
|
|
840 {
|
|
|
841 /* This function can GC */
|
|
|
842 wait_delaying_user_input (property_deleted_p, (void *) tick);
|
|
|
843 }
|
|
|
844
|
|
|
845
|
|
|
846 /* Called from the event-loop in response to a PropertyNotify event.
|
|
|
847 */
|
|
|
848 void
|
|
|
849 x_handle_property_notify (XPropertyEvent *event)
|
|
|
850 {
|
|
|
851 struct prop_location *prev = 0, *rest = for_whom_the_bell_tolls;
|
|
|
852 while (rest)
|
|
|
853 {
|
|
|
854 if (rest->property == event->atom &&
|
|
|
855 rest->window == event->window &&
|
|
|
856 rest->display == event->display &&
|
|
|
857 rest->desired_state == event->state)
|
|
|
858 {
|
|
|
859 #if 0
|
|
|
860 stderr_out ("Saw expected prop-%s on %s\n",
|
|
793
|
861 (event->state == PropertyDelete ? "delete" : "change"),
|
|
|
862 XSTRING_DATA
|
|
|
863 (XSYMBOL (x_atom_to_symbol
|
|
|
864 (get_device_from_display (event->display),
|
|
1726
|
865 event->atom))->name));
|
|
428
|
866 #endif
|
|
|
867 if (prev)
|
|
|
868 prev->next = rest->next;
|
|
|
869 else
|
|
|
870 for_whom_the_bell_tolls = rest->next;
|
|
1726
|
871 xfree (rest, struct prop_location *);
|
|
428
|
872 return;
|
|
|
873 }
|
|
|
874 prev = rest;
|
|
|
875 rest = rest->next;
|
|
|
876 }
|
|
|
877 #if 0
|
|
|
878 stderr_out ("Saw UNexpected prop-%s on %s\n",
|
|
793
|
879 (event->state == PropertyDelete ? "delete" : "change"),
|
|
|
880 XSTRING_DATA (XSYMBOL (x_atom_to_symbol
|
|
|
881 (get_device_from_display (event->display),
|
|
|
882 event->atom))->name));
|
|
428
|
883 #endif
|
|
|
884 }
|
|
|
885
|
|
|
886
|
|
|
887
|
|
|
888 #if 0 /* #### MULTIPLE doesn't work yet */
|
|
|
889
|
|
|
890 static Lisp_Object
|
|
|
891 fetch_multiple_target (XSelectionRequestEvent *event)
|
|
|
892 {
|
|
|
893 /* This function can GC */
|
|
|
894 Display *display = event->display;
|
|
|
895 Window window = event->requestor;
|
|
|
896 Atom target = event->target;
|
|
|
897 Atom selection_atom = event->selection;
|
|
|
898 int result;
|
|
|
899
|
|
|
900 return
|
|
|
901 Fcons (QMULTIPLE,
|
|
|
902 x_get_window_property_as_lisp_data (display, window, target,
|
|
|
903 QMULTIPLE,
|
|
|
904 selection_atom));
|
|
|
905 }
|
|
|
906
|
|
|
907 static Lisp_Object
|
|
|
908 copy_multiple_data (Lisp_Object obj)
|
|
|
909 {
|
|
|
910 Lisp_Object vec;
|
|
665
|
911 Elemcount i;
|
|
|
912 Elemcount len;
|
|
428
|
913 if (CONSP (obj))
|
|
|
914 return Fcons (XCAR (obj), copy_multiple_data (XCDR (obj)));
|
|
|
915
|
|
|
916 CHECK_VECTOR (obj);
|
|
|
917 len = XVECTOR_LENGTH (obj);
|
|
|
918 vec = make_vector (len, Qnil);
|
|
|
919 for (i = 0; i < len; i++)
|
|
|
920 {
|
|
|
921 Lisp_Object vec2 = XVECTOR_DATA (obj) [i];
|
|
|
922 CHECK_VECTOR (vec2);
|
|
|
923 if (XVECTOR_LENGTH (vec2) != 2)
|
|
563
|
924 sferror ("vectors must be of length 2", vec2);
|
|
428
|
925 XVECTOR_DATA (vec) [i] = make_vector (2, Qnil);
|
|
|
926 XVECTOR_DATA (XVECTOR_DATA (vec) [i]) [0] = XVECTOR_DATA (vec2) [0];
|
|
|
927 XVECTOR_DATA (XVECTOR_DATA (vec) [i]) [1] = XVECTOR_DATA (vec2) [1];
|
|
|
928 }
|
|
|
929 return vec;
|
|
|
930 }
|
|
|
931
|
|
|
932 #endif /* 0 */
|
|
|
933
|
|
|
934
|
|
|
935 static Window reading_selection_reply;
|
|
|
936 static Atom reading_which_selection;
|
|
|
937 static int selection_reply_timed_out;
|
|
|
938
|
|
|
939 static int
|
|
2286
|
940 selection_reply_done (void *UNUSED (unused))
|
|
428
|
941 {
|
|
|
942 return !reading_selection_reply;
|
|
|
943 }
|
|
|
944
|
|
|
945 static Lisp_Object Qx_selection_reply_timeout_internal;
|
|
|
946
|
|
|
947 DEFUN ("x-selection-reply-timeout-internal", Fx_selection_reply_timeout_internal,
|
|
|
948 1, 1, 0, /*
|
|
|
949 */
|
|
2286
|
950 (UNUSED (arg)))
|
|
428
|
951 {
|
|
|
952 selection_reply_timed_out = 1;
|
|
|
953 reading_selection_reply = 0;
|
|
|
954 return Qnil;
|
|
|
955 }
|
|
|
956
|
|
|
957
|
|
|
958 /* Do protocol to read selection-data from the server.
|
|
|
959 Converts this to lisp data and returns it.
|
|
|
960 */
|
|
|
961 static Lisp_Object
|
|
|
962 x_get_foreign_selection (Lisp_Object selection_symbol, Lisp_Object target_type)
|
|
|
963 {
|
|
|
964 /* This function can GC */
|
|
|
965 struct device *d = decode_x_device (Qnil);
|
|
|
966 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
967 struct frame *sel_frame = selected_frame ();
|
|
|
968 Window requestor_window = XtWindow (FRAME_X_TEXT_WIDGET (sel_frame));
|
|
|
969 Time requestor_time = DEVICE_X_MOUSE_TIMESTAMP (d);
|
|
|
970 Atom target_property = DEVICE_XATOM_EMACS_TMP (d);
|
|
|
971 Atom selection_atom = symbol_to_x_atom (d, selection_symbol, 0);
|
|
|
972 int speccount;
|
|
|
973 Atom type_atom = symbol_to_x_atom (d, (CONSP (target_type) ?
|
|
|
974 XCAR (target_type) : target_type), 0);
|
|
|
975
|
|
|
976 XConvertSelection (display, selection_atom, type_atom, target_property,
|
|
|
977 requestor_window, requestor_time);
|
|
|
978
|
|
|
979 /* Block until the reply has been read. */
|
|
|
980 reading_selection_reply = requestor_window;
|
|
|
981 reading_which_selection = selection_atom;
|
|
|
982 selection_reply_timed_out = 0;
|
|
|
983
|
|
|
984 speccount = specpdl_depth ();
|
|
|
985
|
|
|
986 /* add a timeout handler */
|
|
|
987 if (x_selection_timeout > 0)
|
|
|
988 {
|
|
|
989 Lisp_Object id = Fadd_timeout (make_int (x_selection_timeout),
|
|
|
990 Qx_selection_reply_timeout_internal,
|
|
|
991 Qnil, Qnil);
|
|
|
992 record_unwind_protect (Fdisable_timeout, id);
|
|
|
993 }
|
|
|
994
|
|
|
995 /* This is ^Gable */
|
|
|
996 wait_delaying_user_input (selection_reply_done, 0);
|
|
|
997
|
|
|
998 if (selection_reply_timed_out)
|
|
563
|
999 signal_error (Qselection_conversion_error, "timed out waiting for reply from selection owner", Qunbound);
|
|
428
|
1000
|
|
771
|
1001 unbind_to (speccount);
|
|
428
|
1002
|
|
|
1003 /* otherwise, the selection is waiting for us on the requested property. */
|
|
442
|
1004
|
|
|
1005 return select_convert_in (selection_symbol,
|
|
|
1006 target_type,
|
|
|
1007 x_get_window_property_as_lisp_data(display,
|
|
|
1008 requestor_window,
|
|
|
1009 target_property,
|
|
|
1010 target_type,
|
|
|
1011 selection_atom));
|
|
428
|
1012 }
|
|
|
1013
|
|
|
1014
|
|
|
1015 static void
|
|
|
1016 x_get_window_property (Display *display, Window window, Atom property,
|
|
2367
|
1017 Rawbyte **data_ret, Bytecount *bytes_ret,
|
|
428
|
1018 Atom *actual_type_ret, int *actual_format_ret,
|
|
|
1019 unsigned long *actual_size_ret, int delete_p)
|
|
|
1020 {
|
|
665
|
1021 Bytecount total_size;
|
|
428
|
1022 unsigned long bytes_remaining;
|
|
665
|
1023 Bytecount offset = 0;
|
|
2367
|
1024 Rawbyte *tmp_data = 0;
|
|
428
|
1025 int result;
|
|
665
|
1026 Bytecount buffer_size = SELECTION_QUANTUM (display);
|
|
428
|
1027 if (buffer_size > MAX_SELECTION_QUANTUM) buffer_size = MAX_SELECTION_QUANTUM;
|
|
|
1028
|
|
|
1029 /* First probe the thing to find out how big it is. */
|
|
|
1030 result = XGetWindowProperty (display, window, property,
|
|
|
1031 0, 0, False, AnyPropertyType,
|
|
|
1032 actual_type_ret, actual_format_ret,
|
|
|
1033 actual_size_ret,
|
|
|
1034 &bytes_remaining, &tmp_data);
|
|
|
1035 if (result != Success)
|
|
|
1036 {
|
|
|
1037 *data_ret = 0;
|
|
|
1038 *bytes_ret = 0;
|
|
|
1039 return;
|
|
|
1040 }
|
|
|
1041 XFree ((char *) tmp_data);
|
|
|
1042
|
|
|
1043 if (*actual_type_ret == None || *actual_format_ret == 0)
|
|
|
1044 {
|
|
|
1045 if (delete_p) XDeleteProperty (display, window, property);
|
|
|
1046 *data_ret = 0;
|
|
|
1047 *bytes_ret = 0;
|
|
|
1048 return;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051 total_size = bytes_remaining + 1;
|
|
2367
|
1052 *data_ret = xnew_rawbytes (total_size);
|
|
428
|
1053
|
|
|
1054 /* Now read, until we've gotten it all. */
|
|
|
1055 while (bytes_remaining)
|
|
|
1056 {
|
|
|
1057 #if 0
|
|
665
|
1058 Bytecount last = bytes_remaining;
|
|
428
|
1059 #endif
|
|
|
1060 result =
|
|
|
1061 XGetWindowProperty (display, window, property,
|
|
|
1062 offset/4, buffer_size/4,
|
|
|
1063 (delete_p ? True : False),
|
|
|
1064 AnyPropertyType,
|
|
|
1065 actual_type_ret, actual_format_ret,
|
|
|
1066 actual_size_ret, &bytes_remaining, &tmp_data);
|
|
|
1067 #if 0
|
|
|
1068 stderr_out ("<< read %d\n", last-bytes_remaining);
|
|
|
1069 #endif
|
|
|
1070 /* If this doesn't return Success at this point, it means that
|
|
|
1071 some clod deleted the selection while we were in the midst of
|
|
|
1072 reading it. Deal with that, I guess....
|
|
|
1073 */
|
|
|
1074 if (result != Success) break;
|
|
|
1075 *actual_size_ret *= *actual_format_ret / 8;
|
|
|
1076 memcpy ((*data_ret) + offset, tmp_data, *actual_size_ret);
|
|
|
1077 offset += *actual_size_ret;
|
|
|
1078 XFree ((char *) tmp_data);
|
|
|
1079 }
|
|
|
1080 *bytes_ret = offset;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083
|
|
|
1084 static void
|
|
|
1085 receive_incremental_selection (Display *display, Window window, Atom property,
|
|
|
1086 /* this one is for error messages only */
|
|
2286
|
1087 Lisp_Object UNUSED (target_type),
|
|
665
|
1088 Bytecount min_size_bytes,
|
|
2367
|
1089 Rawbyte **data_ret,
|
|
665
|
1090 Bytecount *size_bytes_ret,
|
|
428
|
1091 Atom *type_ret, int *format_ret,
|
|
|
1092 unsigned long *size_ret)
|
|
|
1093 {
|
|
|
1094 /* This function can GC */
|
|
665
|
1095 Bytecount offset = 0;
|
|
428
|
1096 int prop_id;
|
|
|
1097 *size_bytes_ret = min_size_bytes;
|
|
2367
|
1098 *data_ret = xnew_rawbytes (*size_bytes_ret);
|
|
428
|
1099 #if 0
|
|
|
1100 stderr_out ("\nread INCR %d\n", min_size_bytes);
|
|
|
1101 #endif
|
|
|
1102 /* At this point, we have read an INCR property, and deleted it (which
|
|
|
1103 is how we ack its receipt: the sending window will be selecting
|
|
|
1104 PropertyNotify events on our window to notice this).
|
|
|
1105
|
|
|
1106 Now, we must loop, waiting for the sending window to put a value on
|
|
|
1107 that property, then reading the property, then deleting it to ack.
|
|
|
1108 We are done when the sender places a property of length 0.
|
|
|
1109 */
|
|
|
1110 prop_id = expect_property_change (display, window, property,
|
|
|
1111 PropertyNewValue);
|
|
|
1112 while (1)
|
|
|
1113 {
|
|
2367
|
1114 Rawbyte *tmp_data;
|
|
665
|
1115 Bytecount tmp_size_bytes;
|
|
428
|
1116 wait_for_property_change (prop_id);
|
|
|
1117 /* expect it again immediately, because x_get_window_property may
|
|
|
1118 .. no it won't, I don't get it.
|
|
|
1119 .. Ok, I get it now, the Xt code that implements INCR is broken.
|
|
|
1120 */
|
|
|
1121 prop_id = expect_property_change (display, window, property,
|
|
|
1122 PropertyNewValue);
|
|
|
1123 x_get_window_property (display, window, property,
|
|
|
1124 &tmp_data, &tmp_size_bytes,
|
|
|
1125 type_ret, format_ret, size_ret, 1);
|
|
|
1126
|
|
|
1127 if (tmp_size_bytes == 0) /* we're done */
|
|
|
1128 {
|
|
|
1129 #if 0
|
|
|
1130 stderr_out (" read INCR done\n");
|
|
|
1131 #endif
|
|
|
1132 unexpect_property_change (prop_id);
|
|
1726
|
1133 if (tmp_data)
|
|
2367
|
1134 xfree (tmp_data, Rawbyte *);
|
|
428
|
1135 break;
|
|
|
1136 }
|
|
|
1137 #if 0
|
|
|
1138 stderr_out (" read INCR %d\n", tmp_size_bytes);
|
|
|
1139 #endif
|
|
|
1140 if (*size_bytes_ret < offset + tmp_size_bytes)
|
|
|
1141 {
|
|
|
1142 #if 0
|
|
|
1143 stderr_out (" read INCR realloc %d -> %d\n",
|
|
|
1144 *size_bytes_ret, offset + tmp_size_bytes);
|
|
|
1145 #endif
|
|
|
1146 *size_bytes_ret = offset + tmp_size_bytes;
|
|
2367
|
1147 *data_ret = (Rawbyte *) xrealloc (*data_ret, *size_bytes_ret);
|
|
428
|
1148 }
|
|
|
1149 memcpy ((*data_ret) + offset, tmp_data, tmp_size_bytes);
|
|
|
1150 offset += tmp_size_bytes;
|
|
2367
|
1151 xfree (tmp_data, Rawbyte *);
|
|
428
|
1152 }
|
|
|
1153 }
|
|
|
1154
|
|
|
1155
|
|
|
1156 static Lisp_Object
|
|
|
1157 x_get_window_property_as_lisp_data (Display *display,
|
|
|
1158 Window window,
|
|
|
1159 Atom property,
|
|
|
1160 /* next two for error messages only */
|
|
|
1161 Lisp_Object target_type,
|
|
|
1162 Atom selection_atom)
|
|
|
1163 {
|
|
|
1164 /* This function can GC */
|
|
|
1165 Atom actual_type;
|
|
|
1166 int actual_format;
|
|
|
1167 unsigned long actual_size;
|
|
2367
|
1168 Rawbyte *data = NULL;
|
|
665
|
1169 Bytecount bytes = 0;
|
|
428
|
1170 Lisp_Object val;
|
|
|
1171 struct device *d = get_device_from_display (display);
|
|
|
1172
|
|
|
1173 x_get_window_property (display, window, property, &data, &bytes,
|
|
|
1174 &actual_type, &actual_format, &actual_size, 1);
|
|
|
1175 if (! data)
|
|
|
1176 {
|
|
|
1177 if (XGetSelectionOwner (display, selection_atom))
|
|
|
1178 /* there is a selection owner */
|
|
563
|
1179 signal_error (Qselection_conversion_error,
|
|
|
1180 "selection owner couldn't convert",
|
|
|
1181 Fcons (Qunbound,
|
|
|
1182 Fcons (x_atom_to_symbol (d, selection_atom),
|
|
|
1183 actual_type ?
|
|
|
1184 list2 (target_type,
|
|
|
1185 x_atom_to_symbol (d, actual_type)) :
|
|
|
1186 list1 (target_type))));
|
|
428
|
1187 else
|
|
563
|
1188 signal_error (Qselection_conversion_error,
|
|
|
1189 "no selection",
|
|
|
1190 x_atom_to_symbol (d, selection_atom));
|
|
428
|
1191 }
|
|
|
1192
|
|
|
1193 if (actual_type == DEVICE_XATOM_INCR (d))
|
|
|
1194 {
|
|
|
1195 /* Ok, that data wasn't *the* data, it was just the beginning. */
|
|
|
1196
|
|
665
|
1197 Bytecount min_size_bytes =
|
|
647
|
1198 /* careful here. */
|
|
665
|
1199 (Bytecount) (* ((unsigned int *) data));
|
|
2367
|
1200 xfree (data, Rawbyte *);
|
|
428
|
1201 receive_incremental_selection (display, window, property, target_type,
|
|
|
1202 min_size_bytes, &data, &bytes,
|
|
|
1203 &actual_type, &actual_format,
|
|
|
1204 &actual_size);
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 /* It's been read. Now convert it to a lisp object in some semi-rational
|
|
|
1208 manner. */
|
|
|
1209 val = selection_data_to_lisp_data (d, data, bytes,
|
|
|
1210 actual_type, actual_format);
|
|
|
1211
|
|
2367
|
1212 xfree (data, Rawbyte *);
|
|
428
|
1213 return val;
|
|
|
1214 }
|
|
|
1215
|
|
|
1216
|
|
|
1217 /* Called from the event loop to handle SelectionNotify events.
|
|
|
1218 I don't think this needs to be reentrant.
|
|
|
1219 */
|
|
|
1220 void
|
|
|
1221 x_handle_selection_notify (XSelectionEvent *event)
|
|
|
1222 {
|
|
|
1223 if (! reading_selection_reply)
|
|
|
1224 message ("received an unexpected SelectionNotify event");
|
|
|
1225 else if (event->requestor != reading_selection_reply)
|
|
|
1226 message ("received a SelectionNotify event for the wrong window");
|
|
|
1227 else if (event->selection != reading_which_selection)
|
|
|
1228 message ("received the wrong selection type in SelectionNotify!");
|
|
|
1229 else
|
|
|
1230 reading_selection_reply = 0; /* we're done now. */
|
|
|
1231 }
|
|
|
1232
|
|
|
1233 static void
|
|
|
1234 x_disown_selection (Lisp_Object selection, Lisp_Object timeval)
|
|
|
1235 {
|
|
|
1236 struct device *d = decode_x_device (Qnil);
|
|
|
1237 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
1238 Time timestamp;
|
|
|
1239 Atom selection_atom;
|
|
|
1240
|
|
|
1241 CHECK_SYMBOL (selection);
|
|
|
1242 if (NILP (timeval))
|
|
|
1243 timestamp = DEVICE_X_MOUSE_TIMESTAMP (d);
|
|
|
1244 else
|
|
|
1245 {
|
|
|
1246 /* #### This is bogus. See the comment above about problems
|
|
|
1247 on OSF/1 and DEC Alphas. Yet another reason why it sucks
|
|
|
1248 to have the implementation (i.e. cons of two 16-bit
|
|
|
1249 integers) exposed. */
|
|
|
1250 time_t the_time;
|
|
|
1251 lisp_to_time (timeval, &the_time);
|
|
|
1252 timestamp = (Time) the_time;
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 selection_atom = symbol_to_x_atom (d, selection, 0);
|
|
|
1256
|
|
|
1257 XSetSelectionOwner (display, selection_atom, None, timestamp);
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 static Lisp_Object
|
|
442
|
1261 x_selection_exists_p (Lisp_Object selection,
|
|
2286
|
1262 Lisp_Object UNUSED (selection_type))
|
|
428
|
1263 {
|
|
|
1264 struct device *d = decode_x_device (Qnil);
|
|
|
1265 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1266 return XGetSelectionOwner (dpy, symbol_to_x_atom (d, selection, 0)) != None ?
|
|
|
1267 Qt : Qnil;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270
|
|
|
1271 #ifdef CUT_BUFFER_SUPPORT
|
|
|
1272
|
|
|
1273 static int cut_buffers_initialized; /* Whether we're sure they all exist */
|
|
|
1274
|
|
|
1275 /* Ensure that all 8 cut buffers exist. ICCCM says we gotta... */
|
|
|
1276 static void
|
|
|
1277 initialize_cut_buffers (Display *display, Window window)
|
|
|
1278 {
|
|
442
|
1279 static unsigned const char * const data = (unsigned const char *) "";
|
|
428
|
1280 #define FROB(atom) XChangeProperty (display, window, atom, XA_STRING, 8, \
|
|
|
1281 PropModeAppend, data, 0)
|
|
|
1282 FROB (XA_CUT_BUFFER0);
|
|
|
1283 FROB (XA_CUT_BUFFER1);
|
|
|
1284 FROB (XA_CUT_BUFFER2);
|
|
|
1285 FROB (XA_CUT_BUFFER3);
|
|
|
1286 FROB (XA_CUT_BUFFER4);
|
|
|
1287 FROB (XA_CUT_BUFFER5);
|
|
|
1288 FROB (XA_CUT_BUFFER6);
|
|
|
1289 FROB (XA_CUT_BUFFER7);
|
|
|
1290 #undef FROB
|
|
|
1291 cut_buffers_initialized = 1;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 #define CHECK_CUTBUFFER(symbol) do { \
|
|
|
1295 CHECK_SYMBOL (symbol); \
|
|
|
1296 if (! (EQ (symbol, QCUT_BUFFER0) || \
|
|
|
1297 EQ (symbol, QCUT_BUFFER1) || \
|
|
|
1298 EQ (symbol, QCUT_BUFFER2) || \
|
|
|
1299 EQ (symbol, QCUT_BUFFER3) || \
|
|
|
1300 EQ (symbol, QCUT_BUFFER4) || \
|
|
|
1301 EQ (symbol, QCUT_BUFFER5) || \
|
|
|
1302 EQ (symbol, QCUT_BUFFER6) || \
|
|
|
1303 EQ (symbol, QCUT_BUFFER7))) \
|
|
563
|
1304 invalid_constant ("Doesn't name a cutbuffer", symbol); \
|
|
428
|
1305 } while (0)
|
|
|
1306
|
|
|
1307 DEFUN ("x-get-cutbuffer-internal", Fx_get_cutbuffer_internal, 1, 1, 0, /*
|
|
|
1308 Return the value of the named CUTBUFFER (typically CUT_BUFFER0).
|
|
|
1309 */
|
|
|
1310 (cutbuffer))
|
|
|
1311 {
|
|
|
1312 struct device *d = decode_x_device (Qnil);
|
|
|
1313 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
1314 Window window = RootWindow (display, 0); /* Cutbuffers are on frame 0 */
|
|
|
1315 Atom cut_buffer_atom;
|
|
2367
|
1316 Rawbyte *data;
|
|
665
|
1317 Bytecount bytes;
|
|
428
|
1318 Atom type;
|
|
|
1319 int format;
|
|
|
1320 unsigned long size;
|
|
|
1321 Lisp_Object ret;
|
|
|
1322
|
|
|
1323 CHECK_CUTBUFFER (cutbuffer);
|
|
|
1324 cut_buffer_atom = symbol_to_x_atom (d, cutbuffer, 0);
|
|
|
1325
|
|
|
1326 x_get_window_property (display, window, cut_buffer_atom, &data, &bytes,
|
|
|
1327 &type, &format, &size, 0);
|
|
|
1328 if (!data) return Qnil;
|
|
|
1329
|
|
|
1330 if (format != 8 || type != XA_STRING)
|
|
563
|
1331 invalid_state_2 ("Cut buffer doesn't contain 8-bit STRING data",
|
|
|
1332 x_atom_to_symbol (d, type),
|
|
|
1333 make_int (format));
|
|
428
|
1334
|
|
|
1335 /* We cheat - if the string contains an ESC character, that's
|
|
|
1336 technically not allowed in a STRING, so we assume it's
|
|
|
1337 COMPOUND_TEXT that we stored there ourselves earlier,
|
|
|
1338 in x-store-cutbuffer-internal */
|
|
|
1339 ret = (bytes ?
|
|
647
|
1340 make_ext_string ((Extbyte *) data, bytes,
|
|
428
|
1341 memchr (data, 0x1b, bytes) ?
|
|
440
|
1342 Qctext : Qbinary)
|
|
428
|
1343 : Qnil);
|
|
2367
|
1344 xfree (data, Rawbyte *);
|
|
428
|
1345 return ret;
|
|
|
1346 }
|
|
|
1347
|
|
|
1348
|
|
|
1349 DEFUN ("x-store-cutbuffer-internal", Fx_store_cutbuffer_internal, 2, 2, 0, /*
|
|
|
1350 Set the value of the named CUTBUFFER (typically CUT_BUFFER0) to STRING.
|
|
|
1351 */
|
|
|
1352 (cutbuffer, string))
|
|
|
1353 {
|
|
|
1354 struct device *d = decode_x_device (Qnil);
|
|
|
1355 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
1356 Window window = RootWindow (display, 0); /* Cutbuffers are on frame 0 */
|
|
|
1357 Atom cut_buffer_atom;
|
|
867
|
1358 const Ibyte *data = XSTRING_DATA (string);
|
|
444
|
1359 Bytecount bytes = XSTRING_LENGTH (string);
|
|
|
1360 Bytecount bytes_remaining;
|
|
665
|
1361 Bytecount max_bytes = SELECTION_QUANTUM (display);
|
|
428
|
1362 #ifdef MULE
|
|
867
|
1363 const Ibyte *ptr, *end;
|
|
428
|
1364 enum { ASCII, LATIN_1, WORLD } chartypes = ASCII;
|
|
|
1365 #endif
|
|
|
1366
|
|
|
1367 if (max_bytes > MAX_SELECTION_QUANTUM)
|
|
|
1368 max_bytes = MAX_SELECTION_QUANTUM;
|
|
|
1369
|
|
|
1370 CHECK_CUTBUFFER (cutbuffer);
|
|
|
1371 CHECK_STRING (string);
|
|
|
1372 cut_buffer_atom = symbol_to_x_atom (d, cutbuffer, 0);
|
|
|
1373
|
|
|
1374 if (! cut_buffers_initialized)
|
|
|
1375 initialize_cut_buffers (display, window);
|
|
|
1376
|
|
|
1377 /* We use the STRING encoding (Latin-1 only) if we can, else COMPOUND_TEXT.
|
|
|
1378 We cheat and use type = `STRING' even when using COMPOUND_TEXT.
|
|
|
1379 The ICCCM requires that this be so, and other clients assume it,
|
|
|
1380 as we do ourselves in initialize_cut_buffers. */
|
|
|
1381
|
|
|
1382 #ifdef MULE
|
|
|
1383 /* Optimize for the common ASCII case */
|
|
|
1384 for (ptr = data, end = ptr + bytes; ptr <= end; )
|
|
|
1385 {
|
|
826
|
1386 if (byte_ascii_p (*ptr))
|
|
428
|
1387 {
|
|
|
1388 ptr++;
|
|
|
1389 continue;
|
|
|
1390 }
|
|
|
1391
|
|
|
1392 if ((*ptr) == LEADING_BYTE_LATIN_ISO8859_1 ||
|
|
|
1393 (*ptr) == LEADING_BYTE_CONTROL_1)
|
|
|
1394 {
|
|
|
1395 chartypes = LATIN_1;
|
|
|
1396 ptr += 2;
|
|
|
1397 continue;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 chartypes = WORLD;
|
|
|
1401 break;
|
|
|
1402 }
|
|
|
1403
|
|
|
1404 if (chartypes == LATIN_1)
|
|
440
|
1405 TO_EXTERNAL_FORMAT (LISP_STRING, string,
|
|
|
1406 ALLOCA, (data, bytes),
|
|
|
1407 Qbinary);
|
|
428
|
1408 else if (chartypes == WORLD)
|
|
440
|
1409 TO_EXTERNAL_FORMAT (LISP_STRING, string,
|
|
|
1410 ALLOCA, (data, bytes),
|
|
|
1411 Qctext);
|
|
428
|
1412 #endif /* MULE */
|
|
|
1413
|
|
|
1414 bytes_remaining = bytes;
|
|
|
1415
|
|
|
1416 while (bytes_remaining)
|
|
|
1417 {
|
|
665
|
1418 Bytecount chunk =
|
|
647
|
1419 bytes_remaining < max_bytes ? bytes_remaining : max_bytes;
|
|
428
|
1420 XChangeProperty (display, window, cut_buffer_atom, XA_STRING, 8,
|
|
|
1421 (bytes_remaining == bytes
|
|
|
1422 ? PropModeReplace : PropModeAppend),
|
|
|
1423 data, chunk);
|
|
|
1424 data += chunk;
|
|
|
1425 bytes_remaining -= chunk;
|
|
|
1426 }
|
|
|
1427 return string;
|
|
|
1428 }
|
|
|
1429
|
|
|
1430
|
|
|
1431 DEFUN ("x-rotate-cutbuffers-internal", Fx_rotate_cutbuffers_internal, 1, 1, 0, /*
|
|
|
1432 Rotate the values of the cutbuffers by the given number of steps;
|
|
|
1433 positive means move values forward, negative means backward.
|
|
|
1434 */
|
|
|
1435 (n))
|
|
|
1436 {
|
|
|
1437 struct device *d = decode_x_device (Qnil);
|
|
|
1438 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
1439 Window window = RootWindow (display, 0); /* Cutbuffers are on frame 0 */
|
|
|
1440 Atom props [8];
|
|
|
1441
|
|
|
1442 CHECK_INT (n);
|
|
|
1443 if (XINT (n) == 0)
|
|
|
1444 return n;
|
|
|
1445 if (! cut_buffers_initialized)
|
|
|
1446 initialize_cut_buffers (display, window);
|
|
|
1447 props[0] = XA_CUT_BUFFER0;
|
|
|
1448 props[1] = XA_CUT_BUFFER1;
|
|
|
1449 props[2] = XA_CUT_BUFFER2;
|
|
|
1450 props[3] = XA_CUT_BUFFER3;
|
|
|
1451 props[4] = XA_CUT_BUFFER4;
|
|
|
1452 props[5] = XA_CUT_BUFFER5;
|
|
|
1453 props[6] = XA_CUT_BUFFER6;
|
|
|
1454 props[7] = XA_CUT_BUFFER7;
|
|
|
1455 XRotateWindowProperties (display, window, props, 8, XINT (n));
|
|
|
1456 return n;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459 #endif /* CUT_BUFFER_SUPPORT */
|
|
|
1460
|
|
|
1461
|
|
|
1462
|
|
|
1463 /************************************************************************/
|
|
|
1464 /* initialization */
|
|
|
1465 /************************************************************************/
|
|
|
1466
|
|
|
1467 void
|
|
440
|
1468 syms_of_select_x (void)
|
|
428
|
1469 {
|
|
|
1470
|
|
|
1471 #ifdef CUT_BUFFER_SUPPORT
|
|
|
1472 DEFSUBR (Fx_get_cutbuffer_internal);
|
|
|
1473 DEFSUBR (Fx_store_cutbuffer_internal);
|
|
|
1474 DEFSUBR (Fx_rotate_cutbuffers_internal);
|
|
|
1475 #endif /* CUT_BUFFER_SUPPORT */
|
|
|
1476
|
|
|
1477 /* Unfortunately, timeout handlers must be lisp functions. */
|
|
563
|
1478 DEFSYMBOL (Qx_selection_reply_timeout_internal);
|
|
428
|
1479 DEFSUBR (Fx_selection_reply_timeout_internal);
|
|
|
1480
|
|
|
1481 #ifdef CUT_BUFFER_SUPPORT
|
|
|
1482 defsymbol (&QCUT_BUFFER0, "CUT_BUFFER0");
|
|
|
1483 defsymbol (&QCUT_BUFFER1, "CUT_BUFFER1");
|
|
|
1484 defsymbol (&QCUT_BUFFER2, "CUT_BUFFER2");
|
|
|
1485 defsymbol (&QCUT_BUFFER3, "CUT_BUFFER3");
|
|
|
1486 defsymbol (&QCUT_BUFFER4, "CUT_BUFFER4");
|
|
|
1487 defsymbol (&QCUT_BUFFER5, "CUT_BUFFER5");
|
|
|
1488 defsymbol (&QCUT_BUFFER6, "CUT_BUFFER6");
|
|
|
1489 defsymbol (&QCUT_BUFFER7, "CUT_BUFFER7");
|
|
|
1490 #endif /* CUT_BUFFER_SUPPORT */
|
|
|
1491 }
|
|
|
1492
|
|
|
1493 void
|
|
|
1494 console_type_create_select_x (void)
|
|
|
1495 {
|
|
|
1496 CONSOLE_HAS_METHOD (x, own_selection);
|
|
|
1497 CONSOLE_HAS_METHOD (x, disown_selection);
|
|
|
1498 CONSOLE_HAS_METHOD (x, get_foreign_selection);
|
|
|
1499 CONSOLE_HAS_METHOD (x, selection_exists_p);
|
|
|
1500 }
|
|
|
1501
|
|
|
1502 void
|
|
440
|
1503 reinit_vars_of_select_x (void)
|
|
428
|
1504 {
|
|
|
1505 reading_selection_reply = 0;
|
|
|
1506 reading_which_selection = 0;
|
|
|
1507 selection_reply_timed_out = 0;
|
|
|
1508 for_whom_the_bell_tolls = 0;
|
|
|
1509 prop_location_tick = 0;
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 void
|
|
440
|
1513 vars_of_select_x (void)
|
|
428
|
1514 {
|
|
|
1515 #ifdef CUT_BUFFER_SUPPORT
|
|
|
1516 cut_buffers_initialized = 0;
|
|
|
1517 Fprovide (intern ("cut-buffer"));
|
|
|
1518 #endif
|
|
|
1519
|
|
|
1520 DEFVAR_LISP ("x-sent-selection-hooks", &Vx_sent_selection_hooks /*
|
|
|
1521 A function or functions to be called after we have responded to some
|
|
|
1522 other client's request for the value of a selection that we own. The
|
|
|
1523 function(s) will be called with four arguments:
|
|
|
1524 - the name of the selection (typically PRIMARY, SECONDARY, or CLIPBOARD);
|
|
|
1525 - the name of the selection-type which we were requested to convert the
|
|
|
1526 selection into before sending (for example, STRING or LENGTH);
|
|
|
1527 - and whether we successfully transmitted the selection.
|
|
|
1528 We might have failed (and declined the request) for any number of reasons,
|
|
|
1529 including being asked for a selection that we no longer own, or being asked
|
|
|
1530 to convert into a type that we don't know about or that is inappropriate.
|
|
|
1531 This hook doesn't let you change the behavior of emacs's selection replies,
|
|
|
1532 it merely informs you that they have happened.
|
|
|
1533 */ );
|
|
|
1534 Vx_sent_selection_hooks = Qunbound;
|
|
|
1535
|
|
|
1536 DEFVAR_INT ("x-selection-timeout", &x_selection_timeout /*
|
|
|
1537 If the selection owner doesn't reply in this many seconds, we give up.
|
|
|
1538 A value of 0 means wait as long as necessary. This is initialized from the
|
|
|
1539 \"*selectionTimeout\" resource (which is expressed in milliseconds).
|
|
|
1540 */ );
|
|
|
1541 x_selection_timeout = 0;
|
|
456
|
1542
|
|
|
1543 DEFVAR_BOOL ("x-selection-strict-motif-ownership", &x_selection_strict_motif_ownership /*
|
|
863
|
1544 *If nil and XEmacs already owns the clipboard, don't own it again in the
|
|
456
|
1545 Motif way. Owning the selection on the Motif way does a huge amount of
|
|
|
1546 X protocol, and it makes killing text incredibly slow when using an
|
|
|
1547 X terminal. However, when enabled Motif text fields don't bother to look up
|
|
|
1548 the new value, and you can't Copy from a buffer, Paste into a text
|
|
|
1549 field, then Copy something else from the buffer and paste it into the
|
|
|
1550 text field; it pastes the first thing again.
|
|
|
1551 */ );
|
|
|
1552 x_selection_strict_motif_ownership = 1;
|
|
428
|
1553 }
|
|
|
1554
|
|
|
1555 void
|
|
440
|
1556 Xatoms_of_select_x (struct device *d)
|
|
428
|
1557 {
|
|
|
1558 Display *D = DEVICE_X_DISPLAY (d);
|
|
|
1559
|
|
|
1560 /* Non-predefined atoms that we might end up using a lot */
|
|
|
1561 DEVICE_XATOM_CLIPBOARD (d) = XInternAtom (D, "CLIPBOARD", False);
|
|
|
1562 DEVICE_XATOM_TIMESTAMP (d) = XInternAtom (D, "TIMESTAMP", False);
|
|
|
1563 DEVICE_XATOM_TEXT (d) = XInternAtom (D, "TEXT", False);
|
|
|
1564 DEVICE_XATOM_DELETE (d) = XInternAtom (D, "DELETE", False);
|
|
|
1565 DEVICE_XATOM_MULTIPLE (d) = XInternAtom (D, "MULTIPLE", False);
|
|
|
1566 DEVICE_XATOM_INCR (d) = XInternAtom (D, "INCR", False);
|
|
|
1567 DEVICE_XATOM_TARGETS (d) = XInternAtom (D, "TARGETS", False);
|
|
|
1568 DEVICE_XATOM_NULL (d) = XInternAtom (D, "NULL", False);
|
|
|
1569 DEVICE_XATOM_ATOM_PAIR (d) = XInternAtom (D, "ATOM_PAIR", False);
|
|
|
1570 DEVICE_XATOM_COMPOUND_TEXT (d) = XInternAtom (D, "COMPOUND_TEXT", False);
|
|
442
|
1571
|
|
|
1572 /* #### I don't like the looks of this... what is it for? - ajh */
|
|
428
|
1573 DEVICE_XATOM_EMACS_TMP (d) = XInternAtom (D, "_EMACS_TMP_", False);
|
|
|
1574 }
|
