1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
11 * ui.c: functions that handle the user interface.
12 * 1. Keyboard input stuff, and a bit of windowing stuff. These are called
13 * before the machine specific stuff (mch_*) so that we can call the GUI
14 * stuff instead if the GUI is running.
16 * 3. Input buffer stuff.
27 if (gui.in_use && !gui.dying && !gui.starting)
31 gui_wait_for_chars(p_wd);
36 /* Don't output anything in silent mode ("ex -s") unless 'verbose' set */
37 if (!(silent_mode && p_verbose == 0))
40 char_u *tofree = NULL;
42 if (output_conv.vc_type != CONV_NONE)
44 /* Convert characters from 'encoding' to 'termencoding'. */
45 tofree = string_convert(&output_conv, s, &len);
54 if (output_conv.vc_type != CONV_NONE)
61 #if defined(UNIX) || defined(VMS) || defined(PROTO) || defined(WIN3264)
63 * When executing an external program, there may be some typed characters that
64 * are not consumed by it. Give them back to ui_inchar() and they are stored
65 * here for the next call.
67 static char_u *ta_str = NULL;
68 static int ta_off; /* offset for next char to use when ta_str != NULL */
69 static int ta_len; /* length of ta_str when it's not NULL*/
72 ui_inchar_undo(s, len)
81 newlen += ta_len - ta_off;
87 mch_memmove(new, ta_str + ta_off, (size_t)(ta_len - ta_off));
88 mch_memmove(new + ta_len - ta_off, s, (size_t)len);
92 mch_memmove(new, s, (size_t)len);
101 * ui_inchar(): low level input funcion.
102 * Get characters from the keyboard.
103 * Return the number of characters that are available.
104 * If "wtime" == 0 do not wait for characters.
105 * If "wtime" == -1 wait forever for characters.
106 * If "wtime" > 0 wait "wtime" milliseconds for a character.
108 * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into
109 * it. When typebuf.tb_change_cnt changes (e.g., when a message is received
110 * from a remote client) "buf" can no longer be used. "tb_change_cnt" is NULL
114 ui_inchar(buf, maxlen, wtime, tb_change_cnt)
117 long wtime; /* don't use "time", MIPS cannot handle it */
122 #if defined(FEAT_GUI) && (defined(UNIX) || defined(VMS))
124 * Use the typeahead if there is any.
128 if (maxlen >= ta_len - ta_off)
130 mch_memmove(buf, ta_str + ta_off, (size_t)ta_len);
135 mch_memmove(buf, ta_str + ta_off, (size_t)maxlen);
142 if (do_profiling == PROF_YES && wtime != 0)
146 #ifdef NO_CONSOLE_INPUT
147 /* Don't wait for character input when the window hasn't been opened yet.
148 * Do try reading, this works when redirecting stdin from a file.
149 * Must return something, otherwise we'll loop forever. If we run into
150 * this very often we probably got stuck, exit Vim. */
151 if (no_console_input())
153 static int count = 0;
156 retval = mch_inchar(buf, maxlen, (wtime >= 0 && wtime < 10)
157 ? 10L : wtime, tb_change_cnt);
158 if (retval > 0 || typebuf_changed(tb_change_cnt) || wtime >= 0)
161 if (wtime == -1 && ++count == 1000)
169 /* If we are going to wait for some time or block... */
170 if (wtime == -1 || wtime > 100L)
172 /* ... allow signals to kill us. */
173 (void)vim_handle_signal(SIGNAL_UNBLOCK);
175 /* ... there is no need for CTRL-C to interrupt something, don't let
176 * it set got_int when it was mapped. */
178 ctrl_c_interrupts = FALSE;
184 if (gui_wait_for_chars(wtime) && !typebuf_changed(tb_change_cnt))
185 retval = read_from_input_buf(buf, (long)maxlen);
193 retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt);
197 if (wtime == -1 || wtime > 100L)
198 /* block SIGHUP et al. */
199 (void)vim_handle_signal(SIGNAL_BLOCK);
201 ctrl_c_interrupts = TRUE;
203 #ifdef NO_CONSOLE_INPUT
207 if (do_profiling == PROF_YES && wtime != 0)
214 * return non-zero if a character is available
223 return input_available();
227 # ifdef NO_CONSOLE_INPUT
228 if (no_console_input())
231 return mch_char_avail();
238 * Delay for the given number of milliseconds. If ignoreinput is FALSE then we
239 * cancel the delay if a key is hit.
242 ui_delay(msec, ignoreinput)
247 if (gui.in_use && !ignoreinput)
248 gui_wait_for_chars(msec);
251 mch_delay(msec, ignoreinput);
255 * If the machine has job control, use it to suspend the program,
256 * otherwise fake it by starting a new shell.
257 * When running the GUI iconify the window.
272 #if !defined(UNIX) || !defined(SIGTSTP) || defined(PROTO) || defined(__BEOS__)
274 * When the OS can't really suspend, call this function to start a shell.
275 * This is never called in the GUI.
281 EMSG(_(e_shellempty));
284 MSG_PUTS(_("new shell started\n"));
291 * Try to get the current Vim shell size. Put the result in Rows and Columns.
292 * Use the new sizes as defaults for 'columns' and 'lines'.
293 * Return OK when size could be determined, FAIL otherwise.
302 retval = gui_get_shellsize();
305 retval = mch_get_shellsize();
309 /* adjust the default for 'lines' and 'columns' */
312 set_number_default("lines", Rows);
313 set_number_default("columns", Columns);
319 * Set the size of the Vim shell according to Rows and Columns, if possible.
320 * The gui_set_shellsize() or mch_set_shellsize() function will try to set the
321 * new size. If this is not possible, it will adjust Rows and Columns.
324 ui_set_shellsize(mustset)
325 int mustset UNUSED; /* set by the user */
329 gui_set_shellsize(mustset,
342 * Called when Rows and/or Columns changed. Adjust scroll region and mouse
348 if (full_screen && !exiting)
370 /*****************************************************************************
371 * Functions for copying and pasting text between applications.
372 * This is always included in a GUI version, but may also be included when the
373 * clipboard and mouse is available to a terminal version such as xterm.
374 * Note: there are some more functions in ops.c that handle selection stuff.
376 * Also note that the majority of functions here deal with the X 'primary'
377 * (visible - for Visual mode use) selection, and only that. There are no
378 * versions of these for the 'clipboard' selection, as Visual mode has no use
382 #if defined(FEAT_CLIPBOARD) || defined(PROTO)
385 * Selection stuff using Visual mode, for cutting and pasting text to other
390 * Call this to initialise the clipboard. Pass it FALSE if the clipboard code
391 * is included, but the clipboard can not be used, or TRUE if the clipboard can
392 * be used. Eg unix may call this with FALSE, then call it again with TRUE if
404 cb->available = can_use;
410 cb->state = SELECT_CLEARED;
412 if (cb == &clip_plus)
419 * Check whether the VIsual area has changed, and if so try to become the owner
420 * of the selection, and free any old converted selection we may still have
421 * lying around. If the VIsual mode has ended, make a copy of what was
422 * selected so we can still give it to others. Will probably have to make sure
423 * this is called whenever VIsual mode is ended.
426 clip_update_selection()
430 /* If visual mode is only due to a redo command ("."), then ignore it */
431 if (!redo_VIsual_busy && VIsual_active && (State & NORMAL))
433 if (lt(VIsual, curwin->w_cursor))
436 end = curwin->w_cursor;
439 end.col += (*mb_ptr2len)(ml_get_cursor()) - 1;
444 start = curwin->w_cursor;
447 if (!equalpos(clip_star.start, start)
448 || !equalpos(clip_star.end, end)
449 || clip_star.vmode != VIsual_mode)
451 clip_clear_selection();
452 clip_star.start = start;
454 clip_star.vmode = VIsual_mode;
455 clip_free_selection(&clip_star);
456 clip_own_selection(&clip_star);
457 clip_gen_set_selection(&clip_star);
463 clip_own_selection(cbd)
467 * Also want to check somehow that we are reading from the keyboard rather
468 * than a mapping etc.
471 /* Always own the selection, we might have lost it without being
472 * notified, e.g. during a ":sh" command. */
475 int was_owned = cbd->owned;
477 cbd->owned = (clip_gen_own_selection(cbd) == OK);
478 if (!was_owned && cbd == &clip_star)
480 /* May have to show a different kind of highlighting for the
481 * selected area. There is no specific redraw command for this,
482 * just redraw all windows on the current buffer. */
484 && (get_real_state() == VISUAL
485 || get_real_state() == SELECTMODE)
487 && hl_attr(HLF_V) != hl_attr(HLF_VNC))
488 redraw_curbuf_later(INVERTED_ALL);
492 /* Only own the clibpard when we didn't own it yet. */
493 if (!cbd->owned && cbd->available)
494 cbd->owned = (clip_gen_own_selection(cbd) == OK);
499 clip_lose_selection(cbd)
503 int was_owned = cbd->owned;
505 int visual_selection = (cbd == &clip_star);
507 clip_free_selection(cbd);
509 if (visual_selection)
510 clip_clear_selection();
511 clip_gen_lose_selection(cbd);
513 if (visual_selection)
515 /* May have to show a different kind of highlighting for the selected
516 * area. There is no specific redraw command for this, just redraw all
517 * windows on the current buffer. */
519 && (get_real_state() == VISUAL
520 || get_real_state() == SELECTMODE)
522 && hl_attr(HLF_V) != hl_attr(HLF_VNC))
524 update_curbuf(INVERTED_ALL);
530 gui_update_cursor(TRUE, FALSE);
538 clip_copy_selection()
540 if (VIsual_active && (State & NORMAL) && clip_star.available)
542 if (clip_isautosel())
543 clip_update_selection();
544 clip_free_selection(&clip_star);
545 clip_own_selection(&clip_star);
547 clip_get_selection(&clip_star);
548 clip_gen_set_selection(&clip_star);
553 * Called when Visual mode is ended: update the selection.
558 if (clip_isautosel())
559 clip_copy_selection();
563 * Return TRUE if automatic selection of Visual area is desired.
570 gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) :
577 * Stuff for general mouse selection, without using Visual mode.
580 static int clip_compare_pos __ARGS((int row1, int col1, int row2, int col2));
581 static void clip_invert_area __ARGS((int, int, int, int, int how));
582 static void clip_invert_rectangle __ARGS((int row, int col, int height, int width, int invert));
583 static void clip_get_word_boundaries __ARGS((VimClipboard *, int, int));
584 static int clip_get_line_end __ARGS((int));
585 static void clip_update_modeless_selection __ARGS((VimClipboard *, int, int,
588 /* flags for clip_invert_area() */
591 #define CLIP_TOGGLE 3
594 * Start, continue or end a modeless selection. Used when editing the
595 * command-line and in the cmdline window.
598 clip_modeless(button, is_click, is_drag)
605 repeat = ((clip_star.mode == SELECT_MODE_CHAR
606 || clip_star.mode == SELECT_MODE_LINE)
607 && (mod_mask & MOD_MASK_2CLICK))
608 || (clip_star.mode == SELECT_MODE_WORD
609 && (mod_mask & MOD_MASK_3CLICK));
610 if (is_click && button == MOUSE_RIGHT)
612 /* Right mouse button: If there was no selection, start one.
613 * Otherwise extend the existing selection. */
614 if (clip_star.state == SELECT_CLEARED)
615 clip_start_selection(mouse_col, mouse_row, FALSE);
616 clip_process_selection(button, mouse_col, mouse_row, repeat);
619 clip_start_selection(mouse_col, mouse_row, repeat);
622 /* Don't try extending a selection if there isn't one. Happens when
623 * button-down is in the cmdline and them moving mouse upwards. */
624 if (clip_star.state != SELECT_CLEARED)
625 clip_process_selection(button, mouse_col, mouse_row, repeat);
628 clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE);
632 * Compare two screen positions ala strcmp()
635 clip_compare_pos(row1, col1, row2, col2)
641 if (row1 > row2) return(1);
642 if (row1 < row2) return(-1);
643 if (col1 > col2) return(1);
644 if (col1 < col2) return(-1);
649 * Start the selection
652 clip_start_selection(col, row, repeated_click)
657 VimClipboard *cb = &clip_star;
659 if (cb->state == SELECT_DONE)
660 clip_clear_selection();
662 row = check_row(row);
663 col = check_col(col);
665 col = mb_fix_col(col, row);
668 cb->start.lnum = row;
671 cb->origin_row = (short_u)cb->start.lnum;
672 cb->state = SELECT_IN_PROGRESS;
676 if (++cb->mode > SELECT_MODE_LINE)
677 cb->mode = SELECT_MODE_CHAR;
680 cb->mode = SELECT_MODE_CHAR;
683 /* clear the cursor until the selection is made */
690 case SELECT_MODE_CHAR:
691 cb->origin_start_col = cb->start.col;
692 cb->word_end_col = clip_get_line_end((int)cb->start.lnum);
695 case SELECT_MODE_WORD:
696 clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col);
697 cb->origin_start_col = cb->word_start_col;
698 cb->origin_end_col = cb->word_end_col;
700 clip_invert_area((int)cb->start.lnum, cb->word_start_col,
701 (int)cb->end.lnum, cb->word_end_col, CLIP_SET);
702 cb->start.col = cb->word_start_col;
703 cb->end.col = cb->word_end_col;
706 case SELECT_MODE_LINE:
707 clip_invert_area((int)cb->start.lnum, 0, (int)cb->start.lnum,
708 (int)Columns, CLIP_SET);
710 cb->end.col = Columns;
714 cb->prev = cb->start;
716 #ifdef DEBUG_SELECTION
717 printf("Selection started at (%u,%u)\n", cb->start.lnum, cb->start.col);
722 * Continue processing the selection
725 clip_process_selection(button, col, row, repeated_click)
729 int_u repeated_click;
731 VimClipboard *cb = &clip_star;
733 int slen = 1; /* cursor shape width */
735 if (button == MOUSE_RELEASE)
737 /* Check to make sure we have something selected */
738 if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col)
742 gui_update_cursor(FALSE, FALSE);
744 cb->state = SELECT_CLEARED;
748 #ifdef DEBUG_SELECTION
749 printf("Selection ended: (%u,%u) to (%u,%u)\n", cb->start.lnum,
750 cb->start.col, cb->end.lnum, cb->end.col);
755 gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) :
758 clip_copy_modeless_selection(FALSE);
761 gui_update_cursor(FALSE, FALSE);
764 cb->state = SELECT_DONE;
768 row = check_row(row);
769 col = check_col(col);
771 col = mb_fix_col(col, row);
774 if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click)
778 * When extending the selection with the right mouse button, swap the
779 * start and end if the position is before half the selection
781 if (cb->state == SELECT_DONE && button == MOUSE_RIGHT)
784 * If the click is before the start, or the click is inside the
785 * selection and the start is the closest side, set the origin to the
786 * end of the selection.
788 if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0
789 || (clip_compare_pos(row, col,
790 (int)cb->end.lnum, cb->end.col) < 0
791 && (((cb->start.lnum == cb->end.lnum
792 && cb->end.col - col > col - cb->start.col))
793 || ((diff = (cb->end.lnum - row) -
794 (row - cb->start.lnum)) > 0
795 || (diff == 0 && col < (int)(cb->start.col +
796 cb->end.col) / 2)))))
798 cb->origin_row = (short_u)cb->end.lnum;
799 cb->origin_start_col = cb->end.col - 1;
800 cb->origin_end_col = cb->end.col;
804 cb->origin_row = (short_u)cb->start.lnum;
805 cb->origin_start_col = cb->start.col;
806 cb->origin_end_col = cb->start.col;
808 if (cb->mode == SELECT_MODE_WORD && !repeated_click)
809 cb->mode = SELECT_MODE_CHAR;
812 /* set state, for when using the right mouse button */
813 cb->state = SELECT_IN_PROGRESS;
815 #ifdef DEBUG_SELECTION
816 printf("Selection extending to (%d,%d)\n", row, col);
819 if (repeated_click && ++cb->mode > SELECT_MODE_LINE)
820 cb->mode = SELECT_MODE_CHAR;
824 case SELECT_MODE_CHAR:
825 /* If we're on a different line, find where the line ends */
826 if (row != cb->prev.lnum)
827 cb->word_end_col = clip_get_line_end(row);
829 /* See if we are before or after the origin of the selection */
830 if (clip_compare_pos(row, col, cb->origin_row,
831 cb->origin_start_col) >= 0)
833 if (col >= (int)cb->word_end_col)
834 clip_update_modeless_selection(cb, cb->origin_row,
835 cb->origin_start_col, row, (int)Columns);
839 if (has_mbyte && mb_lefthalve(row, col))
842 clip_update_modeless_selection(cb, cb->origin_row,
843 cb->origin_start_col, row, col + slen);
850 && mb_lefthalve(cb->origin_row, cb->origin_start_col))
853 if (col >= (int)cb->word_end_col)
854 clip_update_modeless_selection(cb, row, cb->word_end_col,
855 cb->origin_row, cb->origin_start_col + slen);
857 clip_update_modeless_selection(cb, row, col,
858 cb->origin_row, cb->origin_start_col + slen);
862 case SELECT_MODE_WORD:
863 /* If we are still within the same word, do nothing */
864 if (row == cb->prev.lnum && col >= (int)cb->word_start_col
865 && col < (int)cb->word_end_col && !repeated_click)
868 /* Get new word boundaries */
869 clip_get_word_boundaries(cb, row, col);
871 /* Handle being after the origin point of selection */
872 if (clip_compare_pos(row, col, cb->origin_row,
873 cb->origin_start_col) >= 0)
874 clip_update_modeless_selection(cb, cb->origin_row,
875 cb->origin_start_col, row, cb->word_end_col);
877 clip_update_modeless_selection(cb, row, cb->word_start_col,
878 cb->origin_row, cb->origin_end_col);
881 case SELECT_MODE_LINE:
882 if (row == cb->prev.lnum && !repeated_click)
885 if (clip_compare_pos(row, col, cb->origin_row,
886 cb->origin_start_col) >= 0)
887 clip_update_modeless_selection(cb, cb->origin_row, 0, row,
890 clip_update_modeless_selection(cb, row, 0, cb->origin_row,
898 #ifdef DEBUG_SELECTION
899 printf("Selection is: (%u,%u) to (%u,%u)\n", cb->start.lnum,
900 cb->start.col, cb->end.lnum, cb->end.col);
904 # if defined(FEAT_GUI) || defined(PROTO)
906 * Redraw part of the selection if character at "row,col" is inside of it.
907 * Only used for the GUI.
910 clip_may_redraw_selection(row, col, len)
917 if (clip_star.state != SELECT_CLEARED
918 && row >= clip_star.start.lnum
919 && row <= clip_star.end.lnum)
921 if (row == clip_star.start.lnum && start < (int)clip_star.start.col)
922 start = clip_star.start.col;
923 if (row == clip_star.end.lnum && end > (int)clip_star.end.col)
924 end = clip_star.end.col;
926 clip_invert_area(row, start, row, end, 0);
932 * Called from outside to clear selected region from the display
935 clip_clear_selection()
937 VimClipboard *cb = &clip_star;
939 if (cb->state == SELECT_CLEARED)
942 clip_invert_area((int)cb->start.lnum, cb->start.col, (int)cb->end.lnum,
943 cb->end.col, CLIP_CLEAR);
944 cb->state = SELECT_CLEARED;
948 * Clear the selection if any lines from "row1" to "row2" are inside of it.
951 clip_may_clear_selection(row1, row2)
954 if (clip_star.state == SELECT_DONE
955 && row2 >= clip_star.start.lnum
956 && row1 <= clip_star.end.lnum)
957 clip_clear_selection();
961 * Called before the screen is scrolled up or down. Adjusts the line numbers
962 * of the selection. Call with big number when clearing the screen.
965 clip_scroll_selection(rows)
966 int rows; /* negative for scroll down */
970 if (clip_star.state == SELECT_CLEARED)
973 lnum = clip_star.start.lnum - rows;
975 clip_star.start.lnum = 0;
976 else if (lnum >= screen_Rows) /* scrolled off of the screen */
977 clip_star.state = SELECT_CLEARED;
979 clip_star.start.lnum = lnum;
981 lnum = clip_star.end.lnum - rows;
982 if (lnum < 0) /* scrolled off of the screen */
983 clip_star.state = SELECT_CLEARED;
984 else if (lnum >= screen_Rows)
985 clip_star.end.lnum = screen_Rows - 1;
987 clip_star.end.lnum = lnum;
991 * Invert a region of the display between a starting and ending row and column
993 * CLIP_CLEAR: undo inversion
994 * CLIP_SET: set inversion
995 * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise.
996 * 0: invert (GUI only).
999 clip_invert_area(row1, col1, row2, col2, how)
1008 if (how == CLIP_SET)
1011 /* Swap the from and to positions so the from is always before */
1012 if (clip_compare_pos(row1, col1, row2, col2) > 0)
1014 int tmp_row, tmp_col;
1023 else if (how == CLIP_TOGGLE)
1026 /* If all on the same line, do it the easy way */
1029 clip_invert_rectangle(row1, col1, 1, col2 - col1, invert);
1033 /* Handle a piece of the first line */
1036 clip_invert_rectangle(row1, col1, 1, (int)Columns - col1, invert);
1040 /* Handle a piece of the last line */
1041 if (col2 < Columns - 1)
1043 clip_invert_rectangle(row2, 0, 1, col2, invert);
1047 /* Handle the rectangle thats left */
1049 clip_invert_rectangle(row1, 0, row2 - row1 + 1, (int)Columns,
1055 * Invert or un-invert a rectangle of the screen.
1056 * "invert" is true if the result is inverted.
1059 clip_invert_rectangle(row, col, height, width, invert)
1068 gui_mch_invert_rectangle(row, col, height, width);
1071 screen_draw_rectangle(row, col, height, width, invert);
1075 * Copy the currently selected area into the '*' register so it will be
1076 * available for pasting.
1077 * When "both" is TRUE also copy to the '+' register.
1080 clip_copy_modeless_selection(both)
1089 int add_newline_flag = FALSE;
1094 int row1 = clip_star.start.lnum;
1095 int col1 = clip_star.start.col;
1096 int row2 = clip_star.end.lnum;
1097 int col2 = clip_star.end.col;
1099 /* Can't use ScreenLines unless initialized */
1100 if (ScreenLines == NULL)
1104 * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2.
1108 row = row1; row1 = row2; row2 = row;
1109 row = col1; col1 = col2; col2 = row;
1111 else if (row1 == row2 && col1 > col2)
1113 row = col1; col1 = col2; col2 = row;
1116 /* correct starting point for being on right halve of double-wide char */
1117 p = ScreenLines + LineOffset[row1];
1119 col1 -= (*mb_head_off)(p, p + col1);
1120 else if (enc_utf8 && p[col1] == 0)
1124 /* Create a temporary buffer for storing the text */
1125 len = (row2 - row1 + 1) * Columns + 1;
1128 len *= 2; /* max. 2 bytes per display cell */
1132 buffer = lalloc((long_u)len, TRUE);
1133 if (buffer == NULL) /* out of memory */
1136 /* Process each row in the selection */
1137 for (bufp = buffer, row = row1; row <= row2; row++)
1149 line_end_col = clip_get_line_end(row);
1151 /* See if we need to nuke some trailing whitespace */
1152 if (end_col >= Columns && (row < row2 || end_col > line_end_col))
1154 /* Get rid of trailing whitespace */
1155 end_col = line_end_col;
1156 if (end_col < start_col)
1157 end_col = start_col;
1159 /* If the last line extended to the end, add an extra newline */
1161 add_newline_flag = TRUE;
1164 /* If after the first row, we need to always add a newline */
1165 if (row > row1 && !LineWraps[row - 1])
1168 if (row < screen_Rows && end_col <= screen_Columns)
1175 p = ScreenLines + LineOffset[row];
1176 for (i = start_col; i < end_col; ++i)
1177 if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e)
1179 /* single-width double-byte char */
1181 *bufp++ = ScreenLines2[LineOffset[row] + i];
1186 if (MB_BYTE2LEN(p[i]) == 2)
1196 off = LineOffset[row];
1197 for (i = start_col; i < end_col; ++i)
1199 /* The base character is either in ScreenLinesUC[] or
1201 if (ScreenLinesUC[off + i] == 0)
1202 *bufp++ = ScreenLines[off + i];
1205 bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp);
1206 for (ci = 0; ci < Screen_mco; ++ci)
1208 /* Add a composing character. */
1209 if (ScreenLinesC[ci][off + i] == 0)
1211 bufp += utf_char2bytes(ScreenLinesC[ci][off + i],
1215 /* Skip right halve of double-wide character. */
1216 if (ScreenLines[off + i + 1] == 0)
1223 STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col,
1224 end_col - start_col);
1225 bufp += end_col - start_col;
1230 /* Add a newline at the end if the selection ended there */
1231 if (add_newline_flag)
1234 /* First cleanup any old selection and become the owner. */
1235 clip_free_selection(&clip_star);
1236 clip_own_selection(&clip_star);
1238 /* Yank the text into the '*' register. */
1239 clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star);
1241 /* Make the register contents available to the outside world. */
1242 clip_gen_set_selection(&clip_star);
1247 /* Do the same for the '+' register. */
1248 clip_free_selection(&clip_plus);
1249 clip_own_selection(&clip_plus);
1250 clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus);
1251 clip_gen_set_selection(&clip_plus);
1258 * Find the starting and ending positions of the word at the given row and
1259 * column. Only white-separated words are recognized here.
1261 #define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c))
1264 clip_get_word_boundaries(cb, row, col)
1276 if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL)
1279 p = ScreenLines + LineOffset[row];
1281 /* Correct for starting in the right halve of a double-wide char */
1283 col -= dbcs_screen_head_off(p, p + col);
1284 else if (enc_utf8 && p[col] == 0)
1287 start_class = CHAR_CLASS(p[col]);
1290 for ( ; temp_col > 0; temp_col--)
1293 && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0)
1297 if (CHAR_CLASS(p[temp_col - 1]) != start_class
1299 && !(enc_utf8 && p[temp_col - 1] == 0)
1303 cb->word_start_col = temp_col;
1306 for ( ; temp_col < screen_Columns; temp_col++)
1308 if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2)
1312 if (CHAR_CLASS(p[temp_col]) != start_class
1314 && !(enc_utf8 && p[temp_col] == 0)
1318 cb->word_end_col = temp_col;
1322 * Find the column position for the last non-whitespace character on the given
1326 clip_get_line_end(row)
1331 if (row >= screen_Rows || ScreenLines == NULL)
1333 for (i = screen_Columns; i > 0; i--)
1334 if (ScreenLines[LineOffset[row] + i - 1] != ' ')
1340 * Update the currently selected region by adding and/or subtracting from the
1341 * beginning or end and inverting the changed area(s).
1344 clip_update_modeless_selection(cb, row1, col1, row2, col2)
1351 /* See if we changed at the beginning of the selection */
1352 if (row1 != cb->start.lnum || col1 != (int)cb->start.col)
1354 clip_invert_area(row1, col1, (int)cb->start.lnum, cb->start.col,
1356 cb->start.lnum = row1;
1357 cb->start.col = col1;
1360 /* See if we changed at the end of the selection */
1361 if (row2 != cb->end.lnum || col2 != (int)cb->end.col)
1363 clip_invert_area((int)cb->end.lnum, cb->end.col, row2, col2,
1365 cb->end.lnum = row2;
1371 clip_gen_own_selection(cbd)
1374 #ifdef FEAT_XCLIPBOARD
1377 return clip_mch_own_selection(cbd);
1380 return clip_xterm_own_selection(cbd);
1382 return clip_mch_own_selection(cbd);
1387 clip_gen_lose_selection(cbd)
1390 #ifdef FEAT_XCLIPBOARD
1393 clip_mch_lose_selection(cbd);
1396 clip_xterm_lose_selection(cbd);
1398 clip_mch_lose_selection(cbd);
1403 clip_gen_set_selection(cbd)
1406 #ifdef FEAT_XCLIPBOARD
1409 clip_mch_set_selection(cbd);
1412 clip_xterm_set_selection(cbd);
1414 clip_mch_set_selection(cbd);
1419 clip_gen_request_selection(cbd)
1422 #ifdef FEAT_XCLIPBOARD
1425 clip_mch_request_selection(cbd);
1428 clip_xterm_request_selection(cbd);
1430 clip_mch_request_selection(cbd);
1434 #endif /* FEAT_CLIPBOARD */
1436 /*****************************************************************************
1437 * Functions that handle the input buffer.
1438 * This is used for any GUI version, and the unix terminal version.
1440 * For Unix, the input characters are buffered to be able to check for a
1441 * CTRL-C. This should be done with signals, but I don't know how to do that
1442 * in a portable way for a tty in RAW mode.
1444 * For the client-server code in the console the received keys are put in the
1448 #if defined(USE_INPUT_BUF) || defined(PROTO)
1451 * Internal typeahead buffer. Includes extra space for long key code
1452 * descriptions which would otherwise overflow. The buffer is considered full
1453 * when only this extra space (or part of it) remains.
1455 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \
1456 || defined(FEAT_CLIENTSERVER)
1458 * Sun WorkShop and NetBeans stuff debugger commands into the input buffer.
1459 * This requires a larger buffer...
1460 * (Madsen) Go with this for remote input as well ...
1462 # define INBUFLEN 4096
1464 # define INBUFLEN 250
1467 static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN];
1468 static int inbufcount = 0; /* number of chars in inbuf[] */
1471 * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and
1472 * trash_input_buf() are functions for manipulating the input buffer. These
1473 * are used by the gui_* calls when a GUI is used to handle keyboard input.
1477 vim_is_input_buf_full()
1479 return (inbufcount >= INBUFLEN);
1483 vim_is_input_buf_empty()
1485 return (inbufcount == 0);
1488 #if defined(FEAT_OLE) || defined(PROTO)
1490 vim_free_in_input_buf()
1492 return (INBUFLEN - inbufcount);
1496 #if defined(FEAT_GUI_GTK) || defined(PROTO)
1498 vim_used_in_input_buf()
1504 #if defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) || defined(PROTO)
1506 * Return the current contents of the input buffer and make it empty.
1507 * The returned pointer must be passed to set_input_buf() later.
1514 /* We use a growarray to store the data pointer and the length. */
1515 gap = (garray_T *)alloc((unsigned)sizeof(garray_T));
1518 /* Add one to avoid a zero size. */
1519 gap->ga_data = alloc((unsigned)inbufcount + 1);
1520 if (gap->ga_data != NULL)
1521 mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount);
1522 gap->ga_len = inbufcount;
1525 return (char_u *)gap;
1529 * Restore the input buffer with a pointer returned from get_input_buf().
1530 * The allocated memory is freed, this only works once!
1536 garray_T *gap = (garray_T *)p;
1540 if (gap->ga_data != NULL)
1542 mch_memmove(inbuf, gap->ga_data, gap->ga_len);
1543 inbufcount = gap->ga_len;
1544 vim_free(gap->ga_data);
1551 #if defined(FEAT_GUI) \
1552 || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE) \
1553 || defined(FEAT_XCLIPBOARD) || defined(VMS) \
1554 || defined(FEAT_SNIFF) || defined(FEAT_CLIENTSERVER) \
1557 * Add the given bytes to the input buffer
1558 * Special keys start with CSI. A real CSI must have been translated to
1559 * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation.
1562 add_to_input_buf(s, len)
1566 if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN)
1567 return; /* Shouldn't ever happen! */
1569 #ifdef FEAT_HANGULIN
1570 if ((State & (INSERT|CMDLINE)) && hangul_input_state_get())
1571 if ((len = hangul_input_process(s, len)) == 0)
1576 inbuf[inbufcount++] = *s++;
1580 #if ((defined(FEAT_XIM) || defined(FEAT_DND)) && defined(FEAT_GUI_GTK)) \
1581 || defined(FEAT_GUI_MSWIN) \
1582 || defined(FEAT_GUI_MAC) \
1583 || (defined(FEAT_MBYTE) && defined(FEAT_MBYTE_IME)) \
1584 || (defined(FEAT_GUI) && (!defined(USE_ON_FLY_SCROLL) \
1585 || defined(FEAT_MENU))) \
1588 * Add "str[len]" to the input buffer while escaping CSI bytes.
1591 add_to_input_buf_csi(char_u *str, int len)
1596 for (i = 0; i < len; ++i)
1598 add_to_input_buf(str + i, 1);
1601 /* Turn CSI into K_CSI. */
1603 buf[1] = (int)KE_CSI;
1604 add_to_input_buf(buf, 2);
1610 #if defined(FEAT_HANGULIN) || defined(PROTO)
1612 push_raw_key(s, len)
1617 inbuf[inbufcount++] = *s++;
1621 #if defined(FEAT_GUI) || defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) \
1623 /* Remove everything from the input buffer. Called when ^C is found */
1632 * Read as much data from the input buffer as possible up to maxlen, and store
1634 * Note: this function used to be Read() in unix.c
1637 read_from_input_buf(buf, maxlen)
1641 if (inbufcount == 0) /* if the buffer is empty, fill it */
1642 fill_input_buf(TRUE);
1643 if (maxlen > inbufcount)
1644 maxlen = inbufcount;
1645 mch_memmove(buf, inbuf, (size_t)maxlen);
1646 inbufcount -= maxlen;
1648 mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount);
1653 fill_input_buf(exit_on_error)
1654 int exit_on_error UNUSED;
1656 #if defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X_UNIX)
1659 static int did_read_something = FALSE;
1661 static char_u *rest = NULL; /* unconverted rest of previous read */
1662 static int restlen = 0;
1669 # ifdef NO_CONSOLE_INPUT
1670 /* Don't use the GUI input when the window hasn't been opened yet.
1671 * We get here from ui_inchar() when we should try reading from stdin. */
1672 && !no_console_input()
1680 #if defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X_UNIX)
1681 if (vim_is_input_buf_full())
1684 * Fill_input_buf() is only called when we really need a character.
1685 * If we can't get any, but there is some in the buffer, just return.
1686 * If we can't get any, and there isn't any in the buffer, we give up and
1691 * On the BeBox version (for now), all input is secretly performed within
1692 * beos_select() which is called from RealWaitForChar().
1694 while (!vim_is_input_buf_full() && RealWaitForChar(read_cmd_fd, 0, NULL))
1701 if (sniff_request_waiting)
1703 add_to_input_buf((char_u *)"\233sniff",6); /* results in K_SNIFF */
1704 sniff_request_waiting = 0;
1705 want_sniff_request = 0;
1713 /* Use remainder of previous call, starts with an invalid character
1714 * that may become valid when reading more. */
1715 if (restlen > INBUFLEN - inbufcount)
1716 unconverted = INBUFLEN - inbufcount;
1718 unconverted = restlen;
1719 mch_memmove(inbuf + inbufcount, rest, unconverted);
1720 if (unconverted == restlen)
1727 restlen -= unconverted;
1728 mch_memmove(rest, rest + unconverted, restlen);
1730 inbufcount += unconverted;
1736 len = 0; /* to avoid gcc warning */
1737 for (try = 0; try < 100; ++try)
1742 len = read(read_cmd_fd,
1744 (char *)inbuf + inbufcount, (size_t)((INBUFLEN - inbufcount)
1746 / input_conv.vc_factor
1750 ) /* avoid syntax highlight error */
1753 if (len > 0 || got_int)
1756 * If reading stdin results in an error, continue reading stderr.
1757 * This helps when using "foo | xargs vim".
1759 if (!did_read_something && !isatty(read_cmd_fd) && read_cmd_fd == 0)
1763 /* We probably set the wrong file descriptor to raw mode. Switch
1764 * back to cooked mode, use another descriptor and set the mode to
1766 settmode(TMODE_COOK);
1768 /* Use stderr for stdin, also works for shell commands. */
1772 read_cmd_fd = 2; /* read from stderr instead of stdin */
1780 if (len <= 0 && !got_int)
1783 did_read_something = TRUE;
1786 /* Interrupted, pretend a CTRL-C was typed. */
1794 * May perform conversion on the input characters.
1795 * Include the unconverted rest of the previous call.
1796 * If there is an incomplete char at the end it is kept for the next
1797 * time, reading more bytes should make conversion possible.
1798 * Don't do this in the unlikely event that the input buffer is too
1799 * small ("rest" still contains more bytes).
1801 if (input_conv.vc_type != CONV_NONE)
1803 inbufcount -= unconverted;
1804 len = convert_input_safe(inbuf + inbufcount,
1805 len + unconverted, INBUFLEN - inbufcount,
1806 rest == NULL ? &rest : NULL, &restlen);
1812 * if a CTRL-C was typed, remove it from the buffer and set got_int
1814 if (inbuf[inbufcount] == 3 && ctrl_c_interrupts)
1816 /* remove everything typed before the CTRL-C */
1817 mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1));
1824 #endif /* UNIX or OS2 or VMS*/
1826 #endif /* defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) */
1829 * Exit because of an input read error.
1834 if (silent_mode) /* Normal way to exit for "ex -s" */
1836 STRCPY(IObuff, _("Vim: Error reading input, exiting...\n"));
1840 #if defined(CURSOR_SHAPE) || defined(PROTO)
1842 * May update the shape of the cursor.
1849 gui_update_cursor_later();
1852 term_cursor_shape();
1854 # ifdef MCH_CURSOR_SHAPE
1855 mch_update_cursor();
1858 # ifdef FEAT_CONCEAL
1859 conceal_check_cursur_line();
1864 #if defined(FEAT_CLIPBOARD) || defined(FEAT_GUI) || defined(FEAT_RIGHTLEFT) \
1865 || defined(FEAT_MBYTE) || defined(PROTO)
1867 * Check bounds for column number
1875 if (col >= (int)screen_Columns)
1876 return (int)screen_Columns - 1;
1881 * Check bounds for row number
1889 if (row >= (int)screen_Rows)
1890 return (int)screen_Rows - 1;
1896 * Stuff for the X clipboard. Shared between VMS and Unix.
1899 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO)
1900 # include <X11/Xatom.h>
1901 # include <X11/Intrinsic.h>
1904 * Open the application context (if it hasn't been opened yet).
1905 * Used for Motif and Athena GUI and the xterm clipboard.
1910 if (app_context == NULL)
1912 XtToolkitInitialize();
1913 app_context = XtCreateApplicationContext();
1917 static Atom vim_atom; /* Vim's own special selection format */
1919 static Atom vimenc_atom; /* Vim's extended selection format */
1921 static Atom compound_text_atom;
1922 static Atom text_atom;
1923 static Atom targets_atom;
1924 static Atom timestamp_atom; /* Used to get a timestamp */
1927 x11_setup_atoms(dpy)
1930 vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False);
1932 vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False);
1934 compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False);
1935 text_atom = XInternAtom(dpy, "TEXT", False);
1936 targets_atom = XInternAtom(dpy, "TARGETS", False);
1937 clip_star.sel_atom = XA_PRIMARY;
1938 clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False);
1939 timestamp_atom = XInternAtom(dpy, "TIMESTAMP", False);
1943 * X Selection stuff, for cutting and pasting text to other windows.
1946 static Boolean clip_x11_convert_selection_cb __ARGS((Widget, Atom *, Atom *, Atom *, XtPointer *, long_u *, int *));
1947 static void clip_x11_lose_ownership_cb __ARGS((Widget, Atom *));
1948 static void clip_x11_timestamp_cb __ARGS((Widget w, XtPointer n, XEvent *event, Boolean *cont));
1949 static void clip_x11_request_selection_cb __ARGS((Widget, XtPointer, Atom *, Atom *, XtPointer, long_u *, int *));
1952 * Property callback to get a timestamp for XtOwnSelection.
1955 clip_x11_timestamp_cb(w, n, event, cont)
1959 Boolean *cont UNUSED;
1963 unsigned long nitems, bytes_after;
1964 unsigned char *prop=NULL;
1965 XPropertyEvent *xproperty=&event->xproperty;
1967 /* Must be a property notify, state can't be Delete (True), has to be
1968 * one of the supported selection types. */
1969 if (event->type != PropertyNotify || xproperty->state
1970 || (xproperty->atom != clip_star.sel_atom
1971 && xproperty->atom != clip_plus.sel_atom))
1974 if (XGetWindowProperty(xproperty->display, xproperty->window,
1975 xproperty->atom, 0, 0, False, timestamp_atom, &actual_type, &format,
1976 &nitems, &bytes_after, &prop))
1982 /* Make sure the property type is "TIMESTAMP" and it's 32 bits. */
1983 if (actual_type != timestamp_atom || format != 32)
1986 /* Get the selection, using the event timestamp. */
1987 if (XtOwnSelection(w, xproperty->atom, xproperty->time,
1988 clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
1991 /* Set the "owned" flag now, there may have been a call to
1992 * lose_ownership_cb in between. */
1993 if (xproperty->atom == clip_plus.sel_atom)
1994 clip_plus.owned = TRUE;
1996 clip_star.owned = TRUE;
2001 x11_setup_selection(w)
2004 XtAddEventHandler(w, PropertyChangeMask, False,
2005 /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
2009 clip_x11_request_selection_cb(w, success, sel_atom, type, value, length,
2019 int motion_type = MAUTO;
2022 char **text_list = NULL;
2025 char_u *tmpbuf = NULL;
2028 if (*sel_atom == clip_plus.sel_atom)
2033 if (value == NULL || *length == 0)
2035 clip_free_selection(cbd); /* nothing received, clear register */
2036 *(int *)success = FALSE;
2039 p = (char_u *)value;
2041 if (*type == vim_atom)
2048 else if (*type == vimenc_atom)
2061 /* If the encoding of the text is different from 'encoding', attempt
2063 conv.vc_type = CONV_NONE;
2064 convert_setup(&conv, enc, p_enc);
2065 if (conv.vc_type != CONV_NONE)
2067 convlen = len; /* Need to use an int here. */
2068 tmpbuf = string_convert(&conv, p, &convlen);
2072 convert_setup(&conv, NULL, NULL);
2077 else if (*type == compound_text_atom || (
2081 *type == text_atom))
2083 XTextProperty text_prop;
2087 text_prop.value = (unsigned char *)value;
2088 text_prop.encoding = *type;
2089 text_prop.format = *format;
2090 text_prop.nitems = len;
2091 status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop,
2092 &text_list, &n_text);
2093 if (status != Success || n_text < 1)
2095 *(int *)success = FALSE;
2098 p = (char_u *)text_list[0];
2101 clip_yank_selection(motion_type, p, (long)len, cbd);
2103 if (text_list != NULL)
2104 XFreeStringList(text_list);
2108 XtFree((char *)value);
2109 *(int *)success = TRUE;
2113 clip_x11_request_selection(myShell, dpy, cbd)
2123 int timed_out = FALSE;
2136 case 0: type = vimenc_atom; break;
2138 case 1: type = vim_atom; break;
2139 case 2: type = compound_text_atom; break;
2140 case 3: type = text_atom; break;
2141 default: type = XA_STRING;
2144 XtGetSelectionValue(myShell, cbd->sel_atom, type,
2145 clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime);
2147 /* Make sure the request for the selection goes out before waiting for
2152 * Wait for result of selection request, otherwise if we type more
2153 * characters, then they will appear before the one that requested the
2154 * paste! Don't worry, we will catch up with any other events later.
2156 start_time = time(NULL);
2157 while (success == MAYBE)
2159 if (XCheckTypedEvent(dpy, SelectionNotify, &event)
2160 || XCheckTypedEvent(dpy, SelectionRequest, &event)
2161 || XCheckTypedEvent(dpy, PropertyNotify, &event))
2163 /* This is where clip_x11_request_selection_cb() should be
2164 * called. It may actually happen a bit later, so we loop
2165 * until "success" changes.
2166 * We may get a SelectionRequest here and if we don't handle
2167 * it we hang. KDE klipper does this, for example.
2168 * We need to handle a PropertyNotify for large selections. */
2169 XtDispatchEvent(&event);
2173 /* Time out after 2 to 3 seconds to avoid that we hang when the
2174 * other process doesn't respond. Note that the SelectionNotify
2175 * event may still come later when the selection owner comes back
2176 * to life and the text gets inserted unexpectedly. Don't know
2177 * why that happens or how to avoid that :-(. */
2178 if (time(NULL) > start_time + 2)
2184 /* Do we need this? Probably not. */
2187 /* Wait for 1 msec to avoid that we eat up all CPU time. */
2191 if (success == TRUE)
2194 /* don't do a retry with another type after timing out, otherwise we
2195 * hang for 15 seconds. */
2200 /* Final fallback position - use the X CUT_BUFFER0 store */
2201 yank_cut_buffer0(dpy, cbd);
2205 clip_x11_convert_selection_cb(w, sel_atom, target, type, value, length, format)
2220 if (*sel_atom == clip_plus.sel_atom)
2226 return False; /* Shouldn't ever happen */
2228 /* requestor wants to know what target types we support */
2229 if (*target == targets_atom)
2233 if ((array = (Atom *)XtMalloc((unsigned)(sizeof(Atom) * 6))) == NULL)
2235 *value = (XtPointer)array;
2237 array[i++] = XA_STRING;
2238 array[i++] = targets_atom;
2240 array[i++] = vimenc_atom;
2242 array[i++] = vim_atom;
2243 array[i++] = text_atom;
2244 array[i++] = compound_text_atom;
2246 /* This used to be: *format = sizeof(Atom) * 8; but that caused
2247 * crashes on 64 bit machines. (Peter Derr) */
2253 if ( *target != XA_STRING
2255 && *target != vimenc_atom
2257 && *target != vim_atom
2258 && *target != text_atom
2259 && *target != compound_text_atom)
2262 clip_get_selection(cbd);
2263 motion_type = clip_convert_selection(&string, length, cbd);
2264 if (motion_type < 0)
2267 /* For our own format, the first byte contains the motion type */
2268 if (*target == vim_atom)
2272 /* Our own format with encoding: motion 'encoding' NUL text */
2273 if (*target == vimenc_atom)
2274 *length += STRLEN(p_enc) + 2;
2277 *value = XtMalloc((Cardinal)*length);
2278 result = (char_u *)*value;
2285 if (*target == XA_STRING)
2287 mch_memmove(result, string, (size_t)(*length));
2290 else if (*target == compound_text_atom
2291 || *target == text_atom)
2293 XTextProperty text_prop;
2294 char *string_nt = (char *)alloc((unsigned)*length + 1);
2296 /* create NUL terminated string which XmbTextListToTextProperty wants */
2297 mch_memmove(string_nt, string, (size_t)*length);
2298 string_nt[*length] = NUL;
2299 XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt, 1,
2300 XCompoundTextStyle, &text_prop);
2301 vim_free(string_nt);
2302 XtFree(*value); /* replace with COMPOUND text */
2303 *value = (XtPointer)(text_prop.value); /* from plain text */
2304 *length = text_prop.nitems;
2305 *type = compound_text_atom;
2309 else if (*target == vimenc_atom)
2311 int l = STRLEN(p_enc);
2313 result[0] = motion_type;
2314 STRCPY(result + 1, p_enc);
2315 mch_memmove(result + l + 2, string, (size_t)(*length - l - 2));
2316 *type = vimenc_atom;
2322 result[0] = motion_type;
2323 mch_memmove(result + 1, string, (size_t)(*length - 1));
2326 *format = 8; /* 8 bits per char */
2332 clip_x11_lose_ownership_cb(w, sel_atom)
2336 if (*sel_atom == clip_plus.sel_atom)
2337 clip_lose_selection(&clip_plus);
2339 clip_lose_selection(&clip_star);
2343 clip_x11_lose_selection(myShell, cbd)
2347 XtDisownSelection(myShell, cbd->sel_atom, CurrentTime);
2351 clip_x11_own_selection(myShell, cbd)
2355 /* When using the GUI we have proper timestamps, use the one of the last
2356 * event. When in the console we don't get events (the terminal gets
2357 * them), Get the time by a zero-length append, clip_x11_timestamp_cb will
2358 * be called with the current timestamp. */
2362 if (XtOwnSelection(myShell, cbd->sel_atom,
2363 XtLastTimestampProcessed(XtDisplay(myShell)),
2364 clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
2371 if (!XChangeProperty(XtDisplay(myShell), XtWindow(myShell),
2372 cbd->sel_atom, timestamp_atom, 32, PropModeAppend, NULL, 0))
2375 /* Flush is required in a terminal as nothing else is doing it. */
2376 XFlush(XtDisplay(myShell));
2381 * Send the current selection to the clipboard. Do nothing for X because we
2382 * will fill in the selection only when requested by another app.
2385 clip_x11_set_selection(cbd)
2386 VimClipboard *cbd UNUSED;
2391 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) \
2392 || defined(FEAT_GUI_GTK) || defined(PROTO)
2394 * Get the contents of the X CUT_BUFFER0 and put it in "cbd".
2397 yank_cut_buffer0(dpy, cbd)
2402 char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0);
2409 /* CUT_BUFFER0 is supposed to be always latin1. Convert to 'enc' when
2410 * using a multi-byte encoding. Conversion between two 8-bit
2411 * character sets usually fails and the text might actually be in
2418 vc.vc_type = CONV_NONE;
2419 if (convert_setup(&vc, (char_u *)"latin1", p_enc) == OK)
2421 conv_buf = string_convert(&vc, buffer, &nbytes);
2422 if (conv_buf != NULL)
2424 clip_yank_selection(MCHAR, conv_buf, (long)nbytes, cbd);
2428 convert_setup(&vc, NULL, NULL);
2431 if (!done) /* use the text without conversion */
2433 clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
2434 XFree((void *)buffer);
2438 verb_msg((char_u *)_("Used CUT_BUFFER0 instead of empty selection"));
2445 #if defined(FEAT_MOUSE) || defined(PROTO)
2448 * Move the cursor to the specified row and column on the screen.
2449 * Change current window if necessary. Returns an integer with the
2450 * CURSOR_MOVED bit set if the cursor has moved or unset otherwise.
2452 * The MOUSE_FOLD_CLOSE bit is set when clicked on the '-' in a fold column.
2453 * The MOUSE_FOLD_OPEN bit is set when clicked on the '+' in a fold column.
2455 * If flags has MOUSE_FOCUS, then the current window will not be changed, and
2456 * if the mouse is outside the window then the text will scroll, or if the
2457 * mouse was previously on a status line, then the status line may be dragged.
2459 * If flags has MOUSE_MAY_VIS, then VIsual mode will be started before the
2460 * cursor is moved unless the cursor was on a status line.
2461 * This function returns one of IN_UNKNOWN, IN_BUFFER, IN_STATUS_LINE or
2462 * IN_SEP_LINE depending on where the cursor was clicked.
2464 * If flags has MOUSE_MAY_STOP_VIS, then Visual mode will be stopped, unless
2465 * the mouse is on the status line of the same window.
2467 * If flags has MOUSE_DID_MOVE, nothing is done if the mouse didn't move since
2470 * If flags has MOUSE_SETPOS, nothing is done, only the current position is
2474 jump_to_mouse(flags, inclusive, which_button)
2476 int *inclusive; /* used for inclusive operator, can be NULL */
2477 int which_button; /* MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE */
2479 static int on_status_line = 0; /* #lines below bottom of window */
2480 #ifdef FEAT_VERTSPLIT
2481 static int on_sep_line = 0; /* on separator right of window */
2483 static int prev_row = -1;
2484 static int prev_col = -1;
2485 static win_T *dragwin = NULL; /* window being dragged */
2486 static int did_drag = FALSE; /* drag was noticed */
2488 win_T *wp, *old_curwin;
2492 int row = mouse_row;
2493 int col = mouse_col;
2498 mouse_past_bottom = FALSE;
2499 mouse_past_eol = FALSE;
2501 if (flags & MOUSE_RELEASED)
2503 /* On button release we may change window focus if positioned on a
2504 * status line and no dragging happened. */
2505 if (dragwin != NULL && !did_drag)
2506 flags &= ~(MOUSE_FOCUS | MOUSE_DID_MOVE);
2511 if ((flags & MOUSE_DID_MOVE)
2512 && prev_row == mouse_row
2513 && prev_col == mouse_col)
2516 /* before moving the cursor for a left click which is NOT in a status
2517 * line, stop Visual mode */
2519 return IN_STATUS_LINE;
2520 #ifdef FEAT_VERTSPLIT
2525 if (flags & MOUSE_MAY_STOP_VIS)
2528 redraw_curbuf_later(INVERTED); /* delete the inversion */
2531 #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD)
2532 /* Continue a modeless selection in another window. */
2533 if (cmdwin_type != 0 && row < W_WINROW(curwin))
2534 return IN_OTHER_WIN;
2539 prev_row = mouse_row;
2540 prev_col = mouse_col;
2542 if (flags & MOUSE_SETPOS)
2543 goto retnomove; /* ugly goto... */
2546 /* Remember the character under the mouse, it might be a '-' or '+' in the
2548 if (row >= 0 && row < Rows && col >= 0 && col <= Columns
2549 && ScreenLines != NULL)
2550 mouse_char = ScreenLines[LineOffset[row] + col];
2555 old_curwin = curwin;
2556 old_cursor = curwin->w_cursor;
2558 if (!(flags & MOUSE_FOCUS))
2560 if (row < 0 || col < 0) /* check if it makes sense */
2564 /* find the window where the row is in */
2565 wp = mouse_find_win(&row, &col);
2571 * winpos and height may change in win_enter()!
2573 if (row >= wp->w_height) /* In (or below) status line */
2575 on_status_line = row - wp->w_height + 1;
2580 #ifdef FEAT_VERTSPLIT
2581 if (col >= wp->w_width) /* In separator line */
2583 on_sep_line = col - wp->w_width + 1;
2589 /* The rightmost character of the status line might be a vertical
2590 * separator character if there is no connecting window to the right. */
2591 if (on_status_line && on_sep_line)
2593 if (stl_connected(wp))
2601 /* Before jumping to another buffer, or moving the cursor for a left
2602 * click, stop Visual mode. */
2604 && (wp->w_buffer != curwin->w_buffer
2606 # ifdef FEAT_VERTSPLIT
2609 # ifdef FEAT_FOLDING
2611 # ifdef FEAT_RIGHTLEFT
2612 wp->w_p_rl ? col < W_WIDTH(wp) - wp->w_p_fdc :
2616 + (cmdwin_type == 0 && wp == curwin ? 0 : 1)
2620 && (flags & MOUSE_MAY_STOP_VIS))))
2623 redraw_curbuf_later(INVERTED); /* delete the inversion */
2627 if (cmdwin_type != 0 && wp != curwin)
2629 /* A click outside the command-line window: Use modeless
2630 * selection if possible. Allow dragging the status lines. */
2631 # ifdef FEAT_VERTSPLIT
2634 # ifdef FEAT_CLIPBOARD
2636 return IN_STATUS_LINE;
2637 return IN_OTHER_WIN;
2640 col += wp->w_wincol;
2646 /* Only change window focus when not clicking on or dragging the
2647 * status line. Do change focus when releasing the mouse button
2648 * (MOUSE_FOCUS was set above if we dragged first). */
2649 if (dragwin == NULL || (flags & MOUSE_RELEASED))
2650 win_enter(wp, TRUE); /* can make wp invalid! */
2651 # ifdef CHECK_DOUBLE_CLICK
2652 /* set topline, to be able to check for double click ourselves */
2653 if (curwin != old_curwin)
2654 set_mouse_topline(curwin);
2657 if (on_status_line) /* In (or below) status line */
2659 /* Don't use start_arrow() if we're in the same window */
2660 if (curwin == old_curwin)
2661 return IN_STATUS_LINE;
2663 return IN_STATUS_LINE | CURSOR_MOVED;
2665 #ifdef FEAT_VERTSPLIT
2666 if (on_sep_line) /* In (or below) status line */
2668 /* Don't use start_arrow() if we're in the same window */
2669 if (curwin == old_curwin)
2672 return IN_SEP_LINE | CURSOR_MOVED;
2676 curwin->w_cursor.lnum = curwin->w_topline;
2678 /* remember topline, needed for double click */
2679 gui_prev_topline = curwin->w_topline;
2681 gui_prev_topfill = curwin->w_topfill;
2685 else if (on_status_line && which_button == MOUSE_LEFT)
2688 if (dragwin != NULL)
2690 /* Drag the status line */
2691 count = row - dragwin->w_winrow - dragwin->w_height + 1
2693 win_drag_status_line(dragwin, count);
2697 return IN_STATUS_LINE; /* Cursor didn't move */
2699 #ifdef FEAT_VERTSPLIT
2700 else if (on_sep_line && which_button == MOUSE_LEFT)
2702 if (dragwin != NULL)
2704 /* Drag the separator column */
2705 count = col - dragwin->w_wincol - dragwin->w_width + 1
2707 win_drag_vsep_line(dragwin, count);
2710 return IN_SEP_LINE; /* Cursor didn't move */
2713 else /* keep_window_focus must be TRUE */
2716 /* before moving the cursor for a left click, stop Visual mode */
2717 if (flags & MOUSE_MAY_STOP_VIS)
2720 redraw_curbuf_later(INVERTED); /* delete the inversion */
2724 #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD)
2725 /* Continue a modeless selection in another window. */
2726 if (cmdwin_type != 0 && row < W_WINROW(curwin))
2727 return IN_OTHER_WIN;
2730 row -= W_WINROW(curwin);
2731 #ifdef FEAT_VERTSPLIT
2732 col -= W_WINCOL(curwin);
2736 * When clicking beyond the end of the window, scroll the screen.
2737 * Scroll by however many rows outside the window we are.
2742 for (first = TRUE; curwin->w_topline > 1; )
2745 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline))
2749 count += plines(curwin->w_topline - 1);
2750 if (!first && count > -row)
2754 hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
2757 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline))
2758 ++curwin->w_topfill;
2762 --curwin->w_topline;
2764 curwin->w_topfill = 0;
2769 check_topfill(curwin, FALSE);
2772 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
2773 redraw_later(VALID);
2776 else if (row >= curwin->w_height)
2779 for (first = TRUE; curwin->w_topline < curbuf->b_ml.ml_line_count; )
2782 if (curwin->w_topfill > 0)
2786 count += plines(curwin->w_topline);
2787 if (!first && count > row - curwin->w_height + 1)
2791 if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline)
2792 && curwin->w_topline == curbuf->b_ml.ml_line_count)
2796 if (curwin->w_topfill > 0)
2797 --curwin->w_topfill;
2801 ++curwin->w_topline;
2804 diff_check_fill(curwin, curwin->w_topline);
2809 check_topfill(curwin, FALSE);
2811 redraw_later(VALID);
2813 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
2814 row = curwin->w_height - 1;
2818 /* When dragging the mouse, while the text has been scrolled up as
2819 * far as it goes, moving the mouse in the top line should scroll
2820 * the text down (done later when recomputing w_topline). */
2821 if (mouse_dragging > 0
2822 && curwin->w_cursor.lnum
2823 == curwin->w_buffer->b_ml.ml_line_count
2824 && curwin->w_cursor.lnum == curwin->w_topline)
2825 curwin->w_valid &= ~(VALID_TOPLINE);
2830 /* Check for position outside of the fold column. */
2832 # ifdef FEAT_RIGHTLEFT
2833 curwin->w_p_rl ? col < W_WIDTH(curwin) - curwin->w_p_fdc :
2835 col >= curwin->w_p_fdc
2837 + (cmdwin_type == 0 ? 0 : 1)
2843 /* compute the position in the buffer line from the posn on the screen */
2844 if (mouse_comp_pos(curwin, &row, &col, &curwin->w_cursor.lnum))
2845 mouse_past_bottom = TRUE;
2848 /* Start Visual mode before coladvance(), for when 'sel' != "old" */
2849 if ((flags & MOUSE_MAY_VIS) && !VIsual_active)
2851 check_visual_highlight();
2852 VIsual = old_cursor;
2853 VIsual_active = TRUE;
2854 VIsual_reselect = TRUE;
2855 /* if 'selectmode' contains "mouse", start Select mode */
2856 may_start_select('o');
2858 if (p_smd && msg_silent == 0)
2859 redraw_cmdline = TRUE; /* show visual mode later */
2863 curwin->w_curswant = col;
2864 curwin->w_set_curswant = FALSE; /* May still have been TRUE */
2865 if (coladvance(col) == FAIL) /* Mouse click beyond end of line */
2867 if (inclusive != NULL)
2869 mouse_past_eol = TRUE;
2871 else if (inclusive != NULL)
2875 if (curwin != old_curwin || curwin->w_cursor.lnum != old_cursor.lnum
2876 || curwin->w_cursor.col != old_cursor.col)
2877 count |= CURSOR_MOVED; /* Cursor has moved */
2880 if (mouse_char == '+')
2881 count |= MOUSE_FOLD_OPEN;
2882 else if (mouse_char != ' ')
2883 count |= MOUSE_FOLD_CLOSE;
2890 * Compute the position in the buffer line from the posn on the screen in
2892 * Returns TRUE if the position is below the last line.
2895 mouse_comp_pos(win, rowp, colp, lnump)
2908 #ifdef FEAT_RIGHTLEFT
2910 col = W_WIDTH(win) - 1 - col;
2913 lnum = win->w_topline;
2918 /* Don't include filler lines in "count" */
2920 # ifdef FEAT_FOLDING
2921 && !hasFoldingWin(win, lnum, NULL, NULL, TRUE, NULL)
2925 if (lnum == win->w_topline)
2926 row -= win->w_topfill;
2928 row -= diff_check_fill(win, lnum);
2929 count = plines_win_nofill(win, lnum, TRUE);
2933 count = plines_win(win, lnum, TRUE);
2935 break; /* Position is in this buffer line. */
2937 (void)hasFoldingWin(win, lnum, NULL, &lnum, TRUE, NULL);
2939 if (lnum == win->w_buffer->b_ml.ml_line_count)
2942 break; /* past end of file */
2950 /* Compute the column without wrapping. */
2951 off = win_col_off(win) - win_col_off2(win);
2954 col += row * (W_WIDTH(win) - off);
2955 /* add skip column (for long wrapping line) */
2956 col += win->w_skipcol;
2960 col += win->w_leftcol;
2962 /* skip line number and fold column in front of the line */
2963 col -= win_col_off(win);
2966 #ifdef FEAT_NETBEANS_INTG
2967 netbeans_gutter_click(lnum);
2978 #if defined(FEAT_WINDOWS) || defined(PROTO)
2980 * Find the window at screen position "*rowp" and "*colp". The positions are
2981 * updated to become relative to the top-left of the window.
2984 mouse_find_win(rowp, colp)
2991 *rowp -= firstwin->w_winrow;
2994 if (fp->fr_layout == FR_LEAF)
2996 #ifdef FEAT_VERTSPLIT
2997 if (fp->fr_layout == FR_ROW)
2999 for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next)
3001 if (*colp < fp->fr_width)
3003 *colp -= fp->fr_width;
3007 else /* fr_layout == FR_COL */
3009 for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next)
3011 if (*rowp < fp->fr_height)
3013 *rowp -= fp->fr_height;
3021 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MAC) \
3022 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
3023 || defined(FEAT_GUI_PHOTON) || defined(PROTO)
3025 * Translate window coordinates to buffer position without any side effects
3028 get_fpos_of_mouse(mpos)
3032 int row = mouse_row;
3033 int col = mouse_col;
3035 if (row < 0 || col < 0) /* check if it makes sense */
3039 /* find the window where the row is in */
3040 wp = mouse_find_win(&row, &col);
3045 * winpos and height may change in win_enter()!
3047 if (row >= wp->w_height) /* In (or below) status line */
3048 return IN_STATUS_LINE;
3049 #ifdef FEAT_VERTSPLIT
3050 if (col >= wp->w_width) /* In vertical separator line */
3057 /* compute the position in the buffer line from the posn on the screen */
3058 if (mouse_comp_pos(curwin, &row, &col, &mpos->lnum))
3059 return IN_STATUS_LINE; /* past bottom */
3061 mpos->col = vcol2col(wp, mpos->lnum, col);
3065 #ifdef FEAT_VIRTUALEDIT
3072 * Convert a virtual (screen) column to a character column.
3073 * The first column is one.
3076 vcol2col(wp, lnum, vcol)
3081 /* try to advance to the specified column */
3086 start = ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3087 while (count <= vcol && *ptr != NUL)
3089 count += win_lbr_chartabsize(wp, ptr, count, NULL);
3092 return (int)(ptr - start);
3096 #endif /* FEAT_MOUSE */
3098 #if defined(FEAT_GUI) || defined(WIN3264) || defined(PROTO)
3100 * Called when focus changed. Used for the GUI or for systems where this can
3101 * be done in the console (Win32).
3104 ui_focus_change(in_focus)
3105 int in_focus; /* TRUE if focus gained. */
3107 static time_t last_time = (time_t)0;
3108 int need_redraw = FALSE;
3110 /* When activated: Check if any file was modified outside of Vim.
3111 * Only do this when not done within the last two seconds (could get
3112 * several events in a row). */
3113 if (in_focus && last_time + 2 < time(NULL))
3115 need_redraw = check_timestamps(
3122 last_time = time(NULL);
3127 * Fire the focus gained/lost autocommand.
3129 need_redraw |= apply_autocmds(in_focus ? EVENT_FOCUSGAINED
3130 : EVENT_FOCUSLOST, NULL, NULL, FALSE, curbuf);
3135 /* Something was executed, make sure the cursor is put back where it
3137 need_wait_return = FALSE;
3139 if (State & CMDLINE)
3141 else if (State == HITRETURN || State == SETWSIZE || State == ASKMORE
3142 || State == EXTERNCMD || State == CONFIRM || exmode_active)
3144 else if ((State & NORMAL) || (State & INSERT))
3146 if (must_redraw != 0)
3150 cursor_on(); /* redrawing may have switched it off */
3155 gui_update_cursor(FALSE, TRUE);
3156 gui_update_scrollbars(FALSE);
3161 /* File may have been changed from 'readonly' to 'noreadonly' */
3168 #if defined(USE_IM_CONTROL) || defined(PROTO)
3170 * Save current Input Method status to specified place.
3173 im_save_status(psave)
3176 /* Don't save when 'imdisable' is set or "xic" is NULL, IM is always
3177 * disabled then (but might start later).
3178 * Also don't save when inside a mapping, vgetc_im_active has not been set
3180 * And don't save when the keys were stuffed (e.g., for a "." command).
3181 * And don't save when the GUI is running but our window doesn't have
3182 * input focus (e.g., when a find dialog is open). */
3183 if (!p_imdisable && KeyTyped && !KeyStuffed
3188 && (!gui.in_use || gui.in_focus)
3192 /* Do save when IM is on, or IM is off and saved status is on. */
3193 if (vgetc_im_active)
3194 *psave = B_IMODE_IM;
3195 else if (*psave == B_IMODE_IM)
3196 *psave = B_IMODE_NONE;