| … | |
… | |
| 891 | lerp (c.a, to.a, percent) |
891 | lerp (c.a, to.a, percent) |
| 892 | ) |
892 | ) |
| 893 | ); |
893 | ); |
| 894 | } |
894 | } |
| 895 | |
895 | |
|
|
896 | rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr) |
|
|
897 | : display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr) |
|
|
898 | { |
|
|
899 | assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard); |
|
|
900 | |
|
|
901 | timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this); |
|
|
902 | timer_ev.repeat = 10.; |
|
|
903 | x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this); |
|
|
904 | |
|
|
905 | incr_buf = 0; |
|
|
906 | incr_buf_size = incr_buf_fill = 0; |
|
|
907 | selection_wait = Sel_normal; |
|
|
908 | |
|
|
909 | #if X_HAVE_UTF8_STRING |
|
|
910 | selection_type = Sel_UTF8String; |
|
|
911 | if (request (display->xa[XA_UTF8_STRING], selnum)) |
|
|
912 | return; |
|
|
913 | #else |
|
|
914 | selection_type = Sel_CompoundText; |
|
|
915 | if (request (display->xa[XA_COMPOUND_TEXT], selnum)) |
|
|
916 | return; |
|
|
917 | #endif |
|
|
918 | |
|
|
919 | // fallback to CUT_BUFFER0 if the requested property has no owner |
|
|
920 | handle_selection (display->root, XA_CUT_BUFFER0, false); |
|
|
921 | } |
|
|
922 | |
|
|
923 | rxvt_selection::~rxvt_selection () |
|
|
924 | { |
|
|
925 | stop (); |
|
|
926 | } |
|
|
927 | |
|
|
928 | void |
|
|
929 | rxvt_selection::stop () |
|
|
930 | { |
|
|
931 | free (incr_buf); |
|
|
932 | incr_buf = 0; |
|
|
933 | timer_ev.stop (); |
|
|
934 | x_ev.stop (display); |
|
|
935 | } |
|
|
936 | |
|
|
937 | bool |
|
|
938 | rxvt_selection::request (Atom target, int selnum) |
|
|
939 | { |
|
|
940 | Atom sel; |
|
|
941 | |
|
|
942 | selection_type |= selnum; |
|
|
943 | |
|
|
944 | if (selnum == Sel_Primary) |
|
|
945 | sel = XA_PRIMARY; |
|
|
946 | else if (selnum == Sel_Secondary) |
|
|
947 | sel = XA_SECONDARY; |
|
|
948 | else |
|
|
949 | sel = display->xa[XA_CLIPBOARD]; |
|
|
950 | |
|
|
951 | if (XGetSelectionOwner (display->dpy, sel) != None) |
|
|
952 | { |
|
|
953 | XConvertSelection (display->dpy, sel, target, request_prop, |
|
|
954 | request_win, request_time); |
|
|
955 | x_ev.start (display, request_win); |
|
|
956 | timer_ev.again (); |
|
|
957 | return true; |
|
|
958 | } |
|
|
959 | |
|
|
960 | return false; |
|
|
961 | } |
|
|
962 | |
|
|
963 | void |
|
|
964 | rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop) |
|
|
965 | { |
|
|
966 | Display *dpy = display->dpy; |
|
|
967 | char *data = 0; |
|
|
968 | unsigned int data_len = 0; |
|
|
969 | unsigned long bytes_after; |
|
|
970 | XTextProperty ct; |
|
|
971 | |
|
|
972 | // check for failed XConvertSelection |
|
|
973 | if (prop == None) |
|
|
974 | { |
|
|
975 | bool error = true; |
|
|
976 | int selnum = selection_type & Sel_whereMask; |
|
|
977 | |
|
|
978 | if (selection_type & Sel_CompoundText) |
|
|
979 | { |
|
|
980 | selection_type = 0; |
|
|
981 | error = !request (XA_STRING, selnum); |
|
|
982 | } |
|
|
983 | |
|
|
984 | if (selection_type & Sel_UTF8String) |
|
|
985 | { |
|
|
986 | selection_type = Sel_CompoundText; |
|
|
987 | error = !request (display->xa[XA_COMPOUND_TEXT], selnum); |
|
|
988 | } |
|
|
989 | |
|
|
990 | if (error) |
|
|
991 | { |
|
|
992 | ct.value = 0; |
|
|
993 | goto bailout; |
|
|
994 | } |
|
|
995 | |
|
|
996 | return; |
|
|
997 | } |
|
|
998 | |
|
|
999 | // length == (2^31 - 1) / 4, as gdk |
|
|
1000 | if (XGetWindowProperty (dpy, win, prop, |
|
|
1001 | 0, 0x1fffffff, |
|
|
1002 | delete_prop, AnyPropertyType, |
|
|
1003 | &ct.encoding, &ct.format, |
|
|
1004 | &ct.nitems, &bytes_after, |
|
|
1005 | &ct.value) != Success) |
|
|
1006 | { |
|
|
1007 | ct.value = 0; |
|
|
1008 | goto bailout; |
|
|
1009 | } |
|
|
1010 | |
|
|
1011 | if (ct.encoding == None) |
|
|
1012 | goto bailout; |
|
|
1013 | |
|
|
1014 | if (ct.value == 0) |
|
|
1015 | goto bailout; |
|
|
1016 | |
|
|
1017 | if (ct.encoding == display->xa[XA_INCR]) |
|
|
1018 | { |
|
|
1019 | // INCR selection, start handshake |
|
|
1020 | if (!delete_prop) |
|
|
1021 | XDeleteProperty (dpy, win, prop); |
|
|
1022 | |
|
|
1023 | selection_wait = Sel_incr; |
|
|
1024 | timer_ev.again (); |
|
|
1025 | |
|
|
1026 | goto bailout; |
|
|
1027 | } |
|
|
1028 | |
|
|
1029 | if (ct.nitems == 0) |
|
|
1030 | { |
|
|
1031 | if (selection_wait == Sel_incr) |
|
|
1032 | { |
|
|
1033 | XFree (ct.value); |
|
|
1034 | |
|
|
1035 | // finally complete, now paste the whole thing |
|
|
1036 | selection_wait = Sel_normal; |
|
|
1037 | ct.value = (unsigned char *)incr_buf; |
|
|
1038 | ct.nitems = incr_buf_fill; |
|
|
1039 | incr_buf = 0; |
|
|
1040 | timer_ev.stop (); |
|
|
1041 | } |
|
|
1042 | else |
|
|
1043 | { |
|
|
1044 | // avoid recursion |
|
|
1045 | if (win != display->root || prop != XA_CUT_BUFFER0) |
|
|
1046 | { |
|
|
1047 | XFree (ct.value); |
|
|
1048 | |
|
|
1049 | // fallback to CUT_BUFFER0 if the requested property |
|
|
1050 | // has an owner but is empty |
|
|
1051 | handle_selection (display->root, XA_CUT_BUFFER0, False); |
|
|
1052 | return; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | goto bailout; |
|
|
1056 | } |
|
|
1057 | } |
|
|
1058 | else if (selection_wait == Sel_incr) |
|
|
1059 | { |
|
|
1060 | timer_ev.again (); |
|
|
1061 | |
|
|
1062 | while (incr_buf_fill + ct.nitems > incr_buf_size) |
|
|
1063 | { |
|
|
1064 | incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024; |
|
|
1065 | incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size); |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems); |
|
|
1069 | incr_buf_fill += ct.nitems; |
|
|
1070 | |
|
|
1071 | goto bailout; |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | char **cl; |
|
|
1075 | int cr; |
|
|
1076 | |
|
|
1077 | // we honour the first item only |
|
|
1078 | |
|
|
1079 | #if !ENABLE_MINIMAL |
|
|
1080 | // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
|
|
1081 | // so recode it manually |
|
|
1082 | if (ct.encoding == display->xa[XA_UTF8_STRING]) |
|
|
1083 | { |
|
|
1084 | wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); |
|
|
1085 | data = rxvt_wcstombs (w); |
|
|
1086 | free (w); |
|
|
1087 | } |
|
|
1088 | else |
|
|
1089 | #endif |
|
|
1090 | if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0 |
|
|
1091 | && cl) |
|
|
1092 | { |
|
|
1093 | data = strdup (cl[0]); |
|
|
1094 | XFreeStringList (cl); |
|
|
1095 | } |
|
|
1096 | else |
|
|
1097 | { |
|
|
1098 | // paste raw |
|
|
1099 | data = strdup ((const char *)ct.value); |
|
|
1100 | } |
|
|
1101 | |
|
|
1102 | data_len = strlen (data); |
|
|
1103 | |
|
|
1104 | bailout: |
|
|
1105 | XFree (ct.value); |
|
|
1106 | |
|
|
1107 | if (selection_wait == Sel_normal) |
|
|
1108 | { |
|
|
1109 | stop (); |
|
|
1110 | request_cb (data, data_len, this, user_data); |
|
|
1111 | free (data); |
|
|
1112 | } |
|
|
1113 | } |
|
|
1114 | |
|
|
1115 | void |
|
|
1116 | rxvt_selection::timer_cb (ev::timer &w, int revents) |
|
|
1117 | { |
|
|
1118 | if (selection_wait == Sel_incr) |
|
|
1119 | rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); |
|
|
1120 | |
|
|
1121 | stop (); |
|
|
1122 | request_cb (NULL, 0, this, user_data); |
|
|
1123 | } |
|
|
1124 | |
|
|
1125 | void |
|
|
1126 | rxvt_selection::x_cb (XEvent &xev) |
|
|
1127 | { |
|
|
1128 | switch (xev.type) |
|
|
1129 | { |
|
|
1130 | case PropertyNotify: |
|
|
1131 | if (selection_wait == Sel_incr |
|
|
1132 | && xev.xproperty.atom == request_prop |
|
|
1133 | && xev.xproperty.state == PropertyNewValue) |
|
|
1134 | handle_selection (xev.xproperty.window, xev.xproperty.atom, true); |
|
|
1135 | break; |
|
|
1136 | |
|
|
1137 | case SelectionNotify: |
|
|
1138 | if (selection_wait == Sel_normal |
|
|
1139 | && xev.xselection.time == request_time |
|
|
1140 | && xev.xselection.property == request_prop) |
|
|
1141 | { |
|
|
1142 | timer_ev.stop (); |
|
|
1143 | handle_selection (xev.xselection.requestor, xev.xselection.property, true); |
|
|
1144 | } |
|
|
1145 | break; |
|
|
1146 | } |
|
|
1147 | } |
