| /* vi:set ts=8 sts=4 sw=4 noet: |
| * |
| * VIM - Vi IMproved by Bram Moolenaar |
| * |
| * Do ":help uganda" in Vim to read copying and usage conditions. |
| * Do ":help credits" in Vim to see a list of people who contributed. |
| * See README.txt for an overview of the Vim source code. |
| */ |
| |
| /* |
| * ui.c: functions that handle the user interface. |
| * 1. Keyboard input stuff, and a bit of windowing stuff. These are called |
| * before the machine specific stuff (mch_*) so that we can call the GUI |
| * stuff instead if the GUI is running. |
| * 2. Clipboard stuff. |
| * 3. Input buffer stuff. |
| */ |
| |
| #include "vim.h" |
| |
| #ifdef FEAT_CYGWIN_WIN32_CLIPBOARD |
| # define WIN32_LEAN_AND_MEAN |
| # include <windows.h> |
| # include "winclip.pro" |
| #endif |
| |
| void |
| ui_write(char_u *s, int len) |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use && !gui.dying && !gui.starting) |
| { |
| gui_write(s, len); |
| if (p_wd) |
| gui_wait_for_chars(p_wd, typebuf.tb_change_cnt); |
| return; |
| } |
| #endif |
| #ifndef NO_CONSOLE |
| // Don't output anything in silent mode ("ex -s") unless 'verbose' set |
| if (!(silent_mode && p_verbose == 0)) |
| { |
| #if !defined(MSWIN) |
| char_u *tofree = NULL; |
| |
| if (output_conv.vc_type != CONV_NONE) |
| { |
| // Convert characters from 'encoding' to 'termencoding'. |
| tofree = string_convert(&output_conv, s, &len); |
| if (tofree != NULL) |
| s = tofree; |
| } |
| #endif |
| |
| mch_write(s, len); |
| |
| # if !defined(MSWIN) |
| if (output_conv.vc_type != CONV_NONE) |
| vim_free(tofree); |
| # endif |
| } |
| #endif |
| } |
| |
| #if defined(UNIX) || defined(VMS) || defined(PROTO) || defined(MSWIN) |
| /* |
| * When executing an external program, there may be some typed characters that |
| * are not consumed by it. Give them back to ui_inchar() and they are stored |
| * here for the next call. |
| */ |
| static char_u *ta_str = NULL; |
| static int ta_off; // offset for next char to use when ta_str != NULL |
| static int ta_len; // length of ta_str when it's not NULL |
| |
| void |
| ui_inchar_undo(char_u *s, int len) |
| { |
| char_u *new; |
| int newlen; |
| |
| newlen = len; |
| if (ta_str != NULL) |
| newlen += ta_len - ta_off; |
| new = alloc(newlen); |
| if (new != NULL) |
| { |
| if (ta_str != NULL) |
| { |
| mch_memmove(new, ta_str + ta_off, (size_t)(ta_len - ta_off)); |
| mch_memmove(new + ta_len - ta_off, s, (size_t)len); |
| vim_free(ta_str); |
| } |
| else |
| mch_memmove(new, s, (size_t)len); |
| ta_str = new; |
| ta_len = newlen; |
| ta_off = 0; |
| } |
| } |
| #endif |
| |
| /* |
| * ui_inchar(): low level input function. |
| * Get characters from the keyboard. |
| * Return the number of characters that are available. |
| * If "wtime" == 0 do not wait for characters. |
| * If "wtime" == -1 wait forever for characters. |
| * If "wtime" > 0 wait "wtime" milliseconds for a character. |
| * |
| * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into |
| * it. When typebuf.tb_change_cnt changes (e.g., when a message is received |
| * from a remote client) "buf" can no longer be used. "tb_change_cnt" is NULL |
| * otherwise. |
| */ |
| int |
| ui_inchar( |
| char_u *buf, |
| int maxlen, |
| long wtime, // don't use "time", MIPS cannot handle it |
| int tb_change_cnt) |
| { |
| int retval = 0; |
| |
| #if defined(FEAT_GUI) && (defined(UNIX) || defined(VMS)) |
| /* |
| * Use the typeahead if there is any. |
| */ |
| if (ta_str != NULL) |
| { |
| if (maxlen >= ta_len - ta_off) |
| { |
| mch_memmove(buf, ta_str + ta_off, (size_t)ta_len); |
| VIM_CLEAR(ta_str); |
| return ta_len; |
| } |
| mch_memmove(buf, ta_str + ta_off, (size_t)maxlen); |
| ta_off += maxlen; |
| return maxlen; |
| } |
| #endif |
| |
| #ifdef FEAT_PROFILE |
| if (do_profiling == PROF_YES && wtime != 0) |
| prof_inchar_enter(); |
| #endif |
| |
| #ifdef NO_CONSOLE_INPUT |
| // Don't wait for character input when the window hasn't been opened yet. |
| // Do try reading, this works when redirecting stdin from a file. |
| // Must return something, otherwise we'll loop forever. If we run into |
| // this very often we probably got stuck, exit Vim. |
| if (no_console_input()) |
| { |
| static int count = 0; |
| |
| # ifndef NO_CONSOLE |
| retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt); |
| if (retval > 0 || typebuf_changed(tb_change_cnt) || wtime >= 0) |
| goto theend; |
| # endif |
| if (wtime == -1 && ++count == 1000) |
| read_error_exit(); |
| buf[0] = CAR; |
| retval = 1; |
| goto theend; |
| } |
| #endif |
| |
| // If we are going to wait for some time or block... |
| if (wtime == -1 || wtime > 100L) |
| { |
| // ... allow signals to kill us. |
| (void)vim_handle_signal(SIGNAL_UNBLOCK); |
| |
| // ... there is no need for CTRL-C to interrupt something, don't let |
| // it set got_int when it was mapped. |
| if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) |
| ctrl_c_interrupts = FALSE; |
| } |
| |
| /* |
| * Here we call gui_inchar() or mch_inchar(), the GUI or machine-dependent |
| * input function. The functionality they implement is like this: |
| * |
| * while (not timed out) |
| * { |
| * handle-resize; |
| * parse-queued-messages; |
| * if (waited for 'updatetime') |
| * trigger-cursorhold; |
| * ui_wait_for_chars_or_timer() |
| * if (character available) |
| * break; |
| * } |
| * |
| * ui_wait_for_chars_or_timer() does: |
| * |
| * while (not timed out) |
| * { |
| * if (any-timer-triggered) |
| * invoke-timer-callback; |
| * wait-for-character(); |
| * if (character available) |
| * break; |
| * } |
| * |
| * wait-for-character() does: |
| * while (not timed out) |
| * { |
| * Wait for event; |
| * if (something on channel) |
| * read/write channel; |
| * else if (resized) |
| * handle_resize(); |
| * else if (system event) |
| * deal-with-system-event; |
| * else if (character available) |
| * break; |
| * } |
| * |
| */ |
| |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| retval = gui_inchar(buf, maxlen, wtime, tb_change_cnt); |
| #endif |
| #ifndef NO_CONSOLE |
| # ifdef FEAT_GUI |
| else |
| # endif |
| retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt); |
| #endif |
| |
| if (wtime == -1 || wtime > 100L) |
| // block SIGHUP et al. |
| (void)vim_handle_signal(SIGNAL_BLOCK); |
| |
| ctrl_c_interrupts = TRUE; |
| |
| #ifdef NO_CONSOLE_INPUT |
| theend: |
| #endif |
| #ifdef FEAT_PROFILE |
| if (do_profiling == PROF_YES && wtime != 0) |
| prof_inchar_exit(); |
| #endif |
| return retval; |
| } |
| |
| #if defined(UNIX) || defined(VMS) || defined(FEAT_GUI) || defined(PROTO) |
| /* |
| * Common code for mch_inchar() and gui_inchar(): Wait for a while or |
| * indefinitely until characters are available, dealing with timers and |
| * messages on channels. |
| * |
| * "buf" may be NULL if the available characters are not to be returned, only |
| * check if they are available. |
| * |
| * Return the number of characters that are available. |
| * If "wtime" == 0 do not wait for characters. |
| * If "wtime" == n wait a short time for characters. |
| * If "wtime" == -1 wait forever for characters. |
| */ |
| int |
| inchar_loop( |
| char_u *buf, |
| int maxlen, |
| long wtime, // don't use "time", MIPS cannot handle it |
| int tb_change_cnt, |
| int (*wait_func)(long wtime, int *interrupted, int ignore_input), |
| int (*resize_func)(int check_only)) |
| { |
| int len; |
| int interrupted = FALSE; |
| int did_call_wait_func = FALSE; |
| int did_start_blocking = FALSE; |
| long wait_time; |
| long elapsed_time = 0; |
| #ifdef ELAPSED_FUNC |
| elapsed_T start_tv; |
| |
| ELAPSED_INIT(start_tv); |
| #endif |
| |
| // repeat until we got a character or waited long enough |
| for (;;) |
| { |
| // Check if window changed size while we were busy, perhaps the ":set |
| // columns=99" command was used. |
| if (resize_func != NULL) |
| resize_func(FALSE); |
| |
| #ifdef MESSAGE_QUEUE |
| // Only process messages when waiting. |
| if (wtime != 0) |
| { |
| parse_queued_messages(); |
| // If input was put directly in typeahead buffer bail out here. |
| if (typebuf_changed(tb_change_cnt)) |
| return 0; |
| } |
| #endif |
| if (wtime < 0 && did_start_blocking) |
| // blocking and already waited for p_ut |
| wait_time = -1; |
| else |
| { |
| if (wtime >= 0) |
| wait_time = wtime; |
| else |
| // going to block after p_ut |
| wait_time = p_ut; |
| #ifdef ELAPSED_FUNC |
| elapsed_time = ELAPSED_FUNC(start_tv); |
| #endif |
| wait_time -= elapsed_time; |
| |
| // If the waiting time is now zero or less, we timed out. However, |
| // loop at least once to check for characters and events. Matters |
| // when "wtime" is zero. |
| if (wait_time <= 0 && did_call_wait_func) |
| { |
| if (wtime >= 0) |
| // no character available within "wtime" |
| return 0; |
| |
| // No character available within 'updatetime'. |
| did_start_blocking = TRUE; |
| if (trigger_cursorhold() && maxlen >= 3 |
| && !typebuf_changed(tb_change_cnt)) |
| { |
| // Put K_CURSORHOLD in the input buffer or return it. |
| if (buf == NULL) |
| { |
| char_u ibuf[3]; |
| |
| ibuf[0] = CSI; |
| ibuf[1] = KS_EXTRA; |
| ibuf[2] = (int)KE_CURSORHOLD; |
| add_to_input_buf(ibuf, 3); |
| } |
| else |
| { |
| buf[0] = K_SPECIAL; |
| buf[1] = KS_EXTRA; |
| buf[2] = (int)KE_CURSORHOLD; |
| } |
| return 3; |
| } |
| |
| // There is no character available within 'updatetime' seconds: |
| // flush all the swap files to disk. Also done when |
| // interrupted by SIGWINCH. |
| before_blocking(); |
| continue; |
| } |
| } |
| |
| #ifdef FEAT_JOB_CHANNEL |
| if (wait_time < 0 || wait_time > 100L) |
| { |
| // Checking if a job ended requires polling. Do this at least |
| // every 100 msec. |
| if (has_pending_job()) |
| wait_time = 100L; |
| |
| // If there is readahead then parse_queued_messages() timed out and |
| // we should call it again soon. |
| if (channel_any_readahead()) |
| wait_time = 10L; |
| } |
| #endif |
| #ifdef FEAT_BEVAL_GUI |
| if (p_beval && wait_time > 100L) |
| // The 'balloonexpr' may indirectly invoke a callback while waiting |
| // for a character, need to check often. |
| wait_time = 100L; |
| #endif |
| |
| // Wait for a character to be typed or another event, such as the winch |
| // signal or an event on the monitored file descriptors. |
| did_call_wait_func = TRUE; |
| if (wait_func(wait_time, &interrupted, FALSE)) |
| { |
| // If input was put directly in typeahead buffer bail out here. |
| if (typebuf_changed(tb_change_cnt)) |
| return 0; |
| |
| // We might have something to return now. |
| if (buf == NULL) |
| // "buf" is NULL, we were just waiting, not actually getting |
| // input. |
| return input_available(); |
| |
| len = read_from_input_buf(buf, (long)maxlen); |
| if (len > 0) |
| return len; |
| continue; |
| } |
| // Timed out or interrupted with no character available. |
| |
| #ifndef ELAPSED_FUNC |
| // estimate the elapsed time |
| elapsed_time += wait_time; |
| #endif |
| |
| if ((resize_func != NULL && resize_func(TRUE)) |
| #if defined(FEAT_CLIENTSERVER) && defined(UNIX) |
| || server_waiting() |
| #endif |
| #ifdef MESSAGE_QUEUE |
| || interrupted |
| #endif |
| || wait_time > 0 |
| || (wtime < 0 && !did_start_blocking)) |
| // no character available, but something to be done, keep going |
| continue; |
| |
| // no character available or interrupted, return zero |
| break; |
| } |
| return 0; |
| } |
| #endif |
| |
| #if defined(FEAT_TIMERS) || defined(PROTO) |
| /* |
| * Wait for a timer to fire or "wait_func" to return non-zero. |
| * Returns OK when something was read. |
| * Returns FAIL when it timed out or was interrupted. |
| */ |
| int |
| ui_wait_for_chars_or_timer( |
| long wtime, |
| int (*wait_func)(long wtime, int *interrupted, int ignore_input), |
| int *interrupted, |
| int ignore_input) |
| { |
| int due_time; |
| long remaining = wtime; |
| int tb_change_cnt = typebuf.tb_change_cnt; |
| # ifdef FEAT_JOB_CHANNEL |
| int brief_wait = FALSE; |
| # endif |
| |
| // When waiting very briefly don't trigger timers. |
| if (wtime >= 0 && wtime < 10L) |
| return wait_func(wtime, NULL, ignore_input); |
| |
| while (wtime < 0 || remaining > 0) |
| { |
| // Trigger timers and then get the time in wtime until the next one is |
| // due. Wait up to that time. |
| due_time = check_due_timer(); |
| if (typebuf.tb_change_cnt != tb_change_cnt) |
| { |
| // timer may have used feedkeys() |
| return FAIL; |
| } |
| if (due_time <= 0 || (wtime > 0 && due_time > remaining)) |
| due_time = remaining; |
| # if defined(FEAT_JOB_CHANNEL) || defined(FEAT_SOUND_CANBERRA) |
| if ((due_time < 0 || due_time > 10L) && ( |
| # if defined(FEAT_JOB_CHANNEL) |
| ( |
| # if defined(FEAT_GUI) |
| !gui.in_use && |
| # endif |
| (has_pending_job() || channel_any_readahead())) |
| # ifdef FEAT_SOUND_CANBERRA |
| || |
| # endif |
| # endif |
| # ifdef FEAT_SOUND_CANBERRA |
| has_any_sound_callback() |
| # endif |
| )) |
| { |
| // There is a pending job or channel, should return soon in order |
| // to handle them ASAP. Do check for input briefly. |
| due_time = 10L; |
| # ifdef FEAT_JOB_CHANNEL |
| brief_wait = TRUE; |
| # endif |
| } |
| # endif |
| if (wait_func(due_time, interrupted, ignore_input)) |
| return OK; |
| if ((interrupted != NULL && *interrupted) |
| # ifdef FEAT_JOB_CHANNEL |
| || brief_wait |
| # endif |
| ) |
| // Nothing available, but need to return so that side effects get |
| // handled, such as handling a message on a channel. |
| return FAIL; |
| if (wtime > 0) |
| remaining -= due_time; |
| } |
| return FAIL; |
| } |
| #endif |
| |
| /* |
| * Return non-zero if a character is available. |
| */ |
| int |
| ui_char_avail(void) |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| gui_mch_update(); |
| return input_available(); |
| } |
| #endif |
| #ifndef NO_CONSOLE |
| # ifdef NO_CONSOLE_INPUT |
| if (no_console_input()) |
| return 0; |
| # endif |
| return mch_char_avail(); |
| #else |
| return 0; |
| #endif |
| } |
| |
| /* |
| * Delay for the given number of milliseconds. If ignoreinput is FALSE then we |
| * cancel the delay if a key is hit. |
| */ |
| void |
| ui_delay(long msec, int ignoreinput) |
| { |
| #ifdef FEAT_JOB_CHANNEL |
| ch_log(NULL, "ui_delay(%ld)", msec); |
| #endif |
| #ifdef FEAT_GUI |
| if (gui.in_use && !ignoreinput) |
| gui_wait_for_chars(msec, typebuf.tb_change_cnt); |
| else |
| #endif |
| mch_delay(msec, ignoreinput); |
| } |
| |
| /* |
| * If the machine has job control, use it to suspend the program, |
| * otherwise fake it by starting a new shell. |
| * When running the GUI iconify the window. |
| */ |
| void |
| ui_suspend(void) |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| gui_mch_iconify(); |
| return; |
| } |
| #endif |
| mch_suspend(); |
| } |
| |
| #if !defined(UNIX) || !defined(SIGTSTP) || defined(PROTO) || defined(__BEOS__) |
| /* |
| * When the OS can't really suspend, call this function to start a shell. |
| * This is never called in the GUI. |
| */ |
| void |
| suspend_shell(void) |
| { |
| if (*p_sh == NUL) |
| emsg(_(e_shellempty)); |
| else |
| { |
| msg_puts(_("new shell started\n")); |
| do_shell(NULL, 0); |
| } |
| } |
| #endif |
| |
| /* |
| * Try to get the current Vim shell size. Put the result in Rows and Columns. |
| * Use the new sizes as defaults for 'columns' and 'lines'. |
| * Return OK when size could be determined, FAIL otherwise. |
| */ |
| int |
| ui_get_shellsize(void) |
| { |
| int retval; |
| |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| retval = gui_get_shellsize(); |
| else |
| #endif |
| retval = mch_get_shellsize(); |
| |
| check_shellsize(); |
| |
| // adjust the default for 'lines' and 'columns' |
| if (retval == OK) |
| { |
| set_number_default("lines", Rows); |
| set_number_default("columns", Columns); |
| } |
| return retval; |
| } |
| |
| /* |
| * Set the size of the Vim shell according to Rows and Columns, if possible. |
| * The gui_set_shellsize() or mch_set_shellsize() function will try to set the |
| * new size. If this is not possible, it will adjust Rows and Columns. |
| */ |
| void |
| ui_set_shellsize( |
| int mustset UNUSED) // set by the user |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_set_shellsize(mustset, TRUE, RESIZE_BOTH); |
| else |
| #endif |
| mch_set_shellsize(); |
| } |
| |
| /* |
| * Called when Rows and/or Columns changed. Adjust scroll region and mouse |
| * region. |
| */ |
| void |
| ui_new_shellsize(void) |
| { |
| if (full_screen && !exiting) |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_new_shellsize(); |
| else |
| #endif |
| mch_new_shellsize(); |
| } |
| } |
| |
| #if ((defined(FEAT_EVAL) || defined(FEAT_TERMINAL)) \ |
| && (defined(FEAT_GUI) \ |
| || defined(MSWIN) \ |
| || (defined(HAVE_TGETENT) && defined(FEAT_TERMRESPONSE)))) \ |
| || defined(PROTO) |
| /* |
| * Get the window position in pixels, if possible. |
| * Return FAIL when not possible. |
| */ |
| int |
| ui_get_winpos(int *x, int *y, varnumber_T timeout UNUSED) |
| { |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| return gui_mch_get_winpos(x, y); |
| # endif |
| # if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL)) |
| return mch_get_winpos(x, y); |
| # else |
| # if defined(HAVE_TGETENT) && defined(FEAT_TERMRESPONSE) |
| return term_get_winpos(x, y, timeout); |
| # else |
| return FAIL; |
| # endif |
| # endif |
| } |
| #endif |
| |
| void |
| ui_breakcheck(void) |
| { |
| ui_breakcheck_force(FALSE); |
| } |
| |
| /* |
| * When "force" is true also check when the terminal is not in raw mode. |
| * This is useful to read input on channels. |
| */ |
| void |
| ui_breakcheck_force(int force) |
| { |
| static int recursive = FALSE; |
| int save_updating_screen = updating_screen; |
| |
| // We could be called recursively if stderr is redirected, calling |
| // fill_input_buf() calls settmode() when stdin isn't a tty. settmode() |
| // calls vgetorpeek() which calls ui_breakcheck() again. |
| if (recursive) |
| return; |
| recursive = TRUE; |
| |
| // We do not want gui_resize_shell() to redraw the screen here. |
| ++updating_screen; |
| |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_mch_update(); |
| else |
| #endif |
| mch_breakcheck(force); |
| |
| if (save_updating_screen) |
| updating_screen = TRUE; |
| else |
| after_updating_screen(FALSE); |
| |
| recursive = FALSE; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Functions for copying and pasting text between applications. |
| // This is always included in a GUI version, but may also be included when the |
| // clipboard and mouse is available to a terminal version such as xterm. |
| // Note: there are some more functions in ops.c that handle selection stuff. |
| // |
| // Also note that the majority of functions here deal with the X 'primary' |
| // (visible - for Visual mode use) selection, and only that. There are no |
| // versions of these for the 'clipboard' selection, as Visual mode has no use |
| // for them. |
| |
| #if defined(FEAT_CLIPBOARD) || defined(PROTO) |
| |
| static void clip_gen_lose_selection(Clipboard_T *cbd); |
| static int clip_gen_own_selection(Clipboard_T *cbd); |
| #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM) |
| static int clip_x11_owner_exists(Clipboard_T *cbd); |
| #endif |
| |
| /* |
| * Selection stuff using Visual mode, for cutting and pasting text to other |
| * windows. |
| */ |
| |
| /* |
| * Call this to initialise the clipboard. Pass it FALSE if the clipboard code |
| * is included, but the clipboard can not be used, or TRUE if the clipboard can |
| * be used. Eg unix may call this with FALSE, then call it again with TRUE if |
| * the GUI starts. |
| */ |
| void |
| clip_init(int can_use) |
| { |
| Clipboard_T *cb; |
| |
| cb = &clip_star; |
| for (;;) |
| { |
| cb->available = can_use; |
| cb->owned = FALSE; |
| cb->start.lnum = 0; |
| cb->start.col = 0; |
| cb->end.lnum = 0; |
| cb->end.col = 0; |
| cb->state = SELECT_CLEARED; |
| |
| if (cb == &clip_plus) |
| break; |
| cb = &clip_plus; |
| } |
| } |
| |
| /* |
| * Check whether the VIsual area has changed, and if so try to become the owner |
| * of the selection, and free any old converted selection we may still have |
| * lying around. If the VIsual mode has ended, make a copy of what was |
| * selected so we can still give it to others. Will probably have to make sure |
| * this is called whenever VIsual mode is ended. |
| */ |
| void |
| clip_update_selection(Clipboard_T *clip) |
| { |
| pos_T start, end; |
| |
| // If visual mode is only due to a redo command ("."), then ignore it |
| if (!redo_VIsual_busy && VIsual_active && (State & NORMAL)) |
| { |
| if (LT_POS(VIsual, curwin->w_cursor)) |
| { |
| start = VIsual; |
| end = curwin->w_cursor; |
| if (has_mbyte) |
| end.col += (*mb_ptr2len)(ml_get_cursor()) - 1; |
| } |
| else |
| { |
| start = curwin->w_cursor; |
| end = VIsual; |
| } |
| if (!EQUAL_POS(clip->start, start) |
| || !EQUAL_POS(clip->end, end) |
| || clip->vmode != VIsual_mode) |
| { |
| clip_clear_selection(clip); |
| clip->start = start; |
| clip->end = end; |
| clip->vmode = VIsual_mode; |
| clip_free_selection(clip); |
| clip_own_selection(clip); |
| clip_gen_set_selection(clip); |
| } |
| } |
| } |
| |
| void |
| clip_own_selection(Clipboard_T *cbd) |
| { |
| /* |
| * Also want to check somehow that we are reading from the keyboard rather |
| * than a mapping etc. |
| */ |
| #ifdef FEAT_X11 |
| // Always own the selection, we might have lost it without being |
| // notified, e.g. during a ":sh" command. |
| if (cbd->available) |
| { |
| int was_owned = cbd->owned; |
| |
| cbd->owned = (clip_gen_own_selection(cbd) == OK); |
| if (!was_owned && (cbd == &clip_star || cbd == &clip_plus)) |
| { |
| // May have to show a different kind of highlighting for the |
| // selected area. There is no specific redraw command for this, |
| // just redraw all windows on the current buffer. |
| if (cbd->owned |
| && (get_real_state() == VISUAL |
| || get_real_state() == SELECTMODE) |
| && (cbd == &clip_star ? clip_isautosel_star() |
| : clip_isautosel_plus()) |
| && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC)) |
| redraw_curbuf_later(INVERTED_ALL); |
| } |
| } |
| #else |
| // Only own the clipboard when we didn't own it yet. |
| if (!cbd->owned && cbd->available) |
| cbd->owned = (clip_gen_own_selection(cbd) == OK); |
| #endif |
| } |
| |
| void |
| clip_lose_selection(Clipboard_T *cbd) |
| { |
| #ifdef FEAT_X11 |
| int was_owned = cbd->owned; |
| #endif |
| int visual_selection = FALSE; |
| |
| if (cbd == &clip_star || cbd == &clip_plus) |
| visual_selection = TRUE; |
| |
| clip_free_selection(cbd); |
| cbd->owned = FALSE; |
| if (visual_selection) |
| clip_clear_selection(cbd); |
| clip_gen_lose_selection(cbd); |
| #ifdef FEAT_X11 |
| if (visual_selection) |
| { |
| // May have to show a different kind of highlighting for the selected |
| // area. There is no specific redraw command for this, just redraw all |
| // windows on the current buffer. |
| if (was_owned |
| && (get_real_state() == VISUAL |
| || get_real_state() == SELECTMODE) |
| && (cbd == &clip_star ? |
| clip_isautosel_star() : clip_isautosel_plus()) |
| && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC)) |
| { |
| update_curbuf(INVERTED_ALL); |
| setcursor(); |
| cursor_on(); |
| out_flush_cursor(TRUE, FALSE); |
| } |
| } |
| #endif |
| } |
| |
| static void |
| clip_copy_selection(Clipboard_T *clip) |
| { |
| if (VIsual_active && (State & NORMAL) && clip->available) |
| { |
| clip_update_selection(clip); |
| clip_free_selection(clip); |
| clip_own_selection(clip); |
| if (clip->owned) |
| clip_get_selection(clip); |
| clip_gen_set_selection(clip); |
| } |
| } |
| |
| /* |
| * Save and restore clip_unnamed before doing possibly many changes. This |
| * prevents accessing the clipboard very often which might slow down Vim |
| * considerably. |
| */ |
| static int global_change_count = 0; // if set, inside a start_global_changes |
| static int clipboard_needs_update = FALSE; // clipboard needs to be updated |
| static int clip_did_set_selection = TRUE; |
| |
| /* |
| * Save clip_unnamed and reset it. |
| */ |
| void |
| start_global_changes(void) |
| { |
| if (++global_change_count > 1) |
| return; |
| clip_unnamed_saved = clip_unnamed; |
| clipboard_needs_update = FALSE; |
| |
| if (clip_did_set_selection) |
| { |
| clip_unnamed = 0; |
| clip_did_set_selection = FALSE; |
| } |
| } |
| |
| /* |
| * Return TRUE if setting the clipboard was postponed, it already contains the |
| * right text. |
| */ |
| int |
| is_clipboard_needs_update() |
| { |
| return clipboard_needs_update; |
| } |
| |
| /* |
| * Restore clip_unnamed and set the selection when needed. |
| */ |
| void |
| end_global_changes(void) |
| { |
| if (--global_change_count > 0) |
| // recursive |
| return; |
| if (!clip_did_set_selection) |
| { |
| clip_did_set_selection = TRUE; |
| clip_unnamed = clip_unnamed_saved; |
| clip_unnamed_saved = 0; |
| if (clipboard_needs_update) |
| { |
| // only store something in the clipboard, |
| // if we have yanked anything to it |
| if (clip_unnamed & CLIP_UNNAMED) |
| { |
| clip_own_selection(&clip_star); |
| clip_gen_set_selection(&clip_star); |
| } |
| if (clip_unnamed & CLIP_UNNAMED_PLUS) |
| { |
| clip_own_selection(&clip_plus); |
| clip_gen_set_selection(&clip_plus); |
| } |
| } |
| } |
| clipboard_needs_update = FALSE; |
| } |
| |
| /* |
| * Called when Visual mode is ended: update the selection. |
| */ |
| void |
| clip_auto_select(void) |
| { |
| if (clip_isautosel_star()) |
| clip_copy_selection(&clip_star); |
| if (clip_isautosel_plus()) |
| clip_copy_selection(&clip_plus); |
| } |
| |
| /* |
| * Return TRUE if automatic selection of Visual area is desired for the * |
| * register. |
| */ |
| int |
| clip_isautosel_star(void) |
| { |
| return ( |
| #ifdef FEAT_GUI |
| gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) : |
| #endif |
| clip_autoselect_star); |
| } |
| |
| /* |
| * Return TRUE if automatic selection of Visual area is desired for the + |
| * register. |
| */ |
| int |
| clip_isautosel_plus(void) |
| { |
| return ( |
| #ifdef FEAT_GUI |
| gui.in_use ? (vim_strchr(p_go, GO_ASELPLUS) != NULL) : |
| #endif |
| clip_autoselect_plus); |
| } |
| |
| |
| /* |
| * Stuff for general mouse selection, without using Visual mode. |
| */ |
| |
| static void clip_invert_area(Clipboard_T *, int, int, int, int, int how); |
| static void clip_invert_rectangle(Clipboard_T *, int row, int col, int height, int width, int invert); |
| static void clip_get_word_boundaries(Clipboard_T *, int, int); |
| static int clip_get_line_end(Clipboard_T *, int); |
| static void clip_update_modeless_selection(Clipboard_T *, int, int, int, int); |
| |
| // "how" flags for clip_invert_area() |
| #define CLIP_CLEAR 1 |
| #define CLIP_SET 2 |
| #define CLIP_TOGGLE 3 |
| |
| /* |
| * Start, continue or end a modeless selection. Used when editing the |
| * command-line, in the cmdline window and when the mouse is in a popup window. |
| */ |
| void |
| clip_modeless(int button, int is_click, int is_drag) |
| { |
| int repeat; |
| |
| repeat = ((clip_star.mode == SELECT_MODE_CHAR |
| || clip_star.mode == SELECT_MODE_LINE) |
| && (mod_mask & MOD_MASK_2CLICK)) |
| || (clip_star.mode == SELECT_MODE_WORD |
| && (mod_mask & MOD_MASK_3CLICK)); |
| if (is_click && button == MOUSE_RIGHT) |
| { |
| // Right mouse button: If there was no selection, start one. |
| // Otherwise extend the existing selection. |
| if (clip_star.state == SELECT_CLEARED) |
| clip_start_selection(mouse_col, mouse_row, FALSE); |
| clip_process_selection(button, mouse_col, mouse_row, repeat); |
| } |
| else if (is_click) |
| clip_start_selection(mouse_col, mouse_row, repeat); |
| else if (is_drag) |
| { |
| // Don't try extending a selection if there isn't one. Happens when |
| // button-down is in the cmdline and then moving mouse upwards. |
| if (clip_star.state != SELECT_CLEARED) |
| clip_process_selection(button, mouse_col, mouse_row, repeat); |
| } |
| else // release |
| clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE); |
| } |
| |
| /* |
| * Compare two screen positions ala strcmp() |
| */ |
| static int |
| clip_compare_pos( |
| int row1, |
| int col1, |
| int row2, |
| int col2) |
| { |
| if (row1 > row2) return(1); |
| if (row1 < row2) return(-1); |
| if (col1 > col2) return(1); |
| if (col1 < col2) return(-1); |
| return(0); |
| } |
| |
| /* |
| * Start the selection |
| */ |
| void |
| clip_start_selection(int col, int row, int repeated_click) |
| { |
| Clipboard_T *cb = &clip_star; |
| #ifdef FEAT_PROP_POPUP |
| win_T *wp; |
| int row_cp = row; |
| int col_cp = col; |
| |
| wp = mouse_find_win(&row_cp, &col_cp, FIND_POPUP); |
| if (wp != NULL && WIN_IS_POPUP(wp) |
| && popup_is_in_scrollbar(wp, row_cp, col_cp)) |
| // click or double click in scrollbar does not start a selection |
| return; |
| #endif |
| |
| if (cb->state == SELECT_DONE) |
| clip_clear_selection(cb); |
| |
| row = check_row(row); |
| col = check_col(col); |
| col = mb_fix_col(col, row); |
| |
| cb->start.lnum = row; |
| cb->start.col = col; |
| cb->end = cb->start; |
| cb->origin_row = (short_u)cb->start.lnum; |
| cb->state = SELECT_IN_PROGRESS; |
| #ifdef FEAT_PROP_POPUP |
| if (wp != NULL && WIN_IS_POPUP(wp)) |
| { |
| // Click in a popup window restricts selection to that window, |
| // excluding the border. |
| cb->min_col = wp->w_wincol + wp->w_popup_border[3]; |
| cb->max_col = wp->w_wincol + popup_width(wp) |
| - wp->w_popup_border[1] - wp->w_has_scrollbar; |
| if (cb->max_col > screen_Columns) |
| cb->max_col = screen_Columns; |
| cb->min_row = wp->w_winrow + wp->w_popup_border[0]; |
| cb->max_row = wp->w_winrow + popup_height(wp) - 1 |
| - wp->w_popup_border[2]; |
| } |
| else |
| { |
| cb->min_col = 0; |
| cb->max_col = screen_Columns; |
| cb->min_row = 0; |
| cb->max_row = screen_Rows; |
| } |
| #endif |
| |
| if (repeated_click) |
| { |
| if (++cb->mode > SELECT_MODE_LINE) |
| cb->mode = SELECT_MODE_CHAR; |
| } |
| else |
| cb->mode = SELECT_MODE_CHAR; |
| |
| #ifdef FEAT_GUI |
| // clear the cursor until the selection is made |
| if (gui.in_use) |
| gui_undraw_cursor(); |
| #endif |
| |
| switch (cb->mode) |
| { |
| case SELECT_MODE_CHAR: |
| cb->origin_start_col = cb->start.col; |
| cb->word_end_col = clip_get_line_end(cb, (int)cb->start.lnum); |
| break; |
| |
| case SELECT_MODE_WORD: |
| clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col); |
| cb->origin_start_col = cb->word_start_col; |
| cb->origin_end_col = cb->word_end_col; |
| |
| clip_invert_area(cb, (int)cb->start.lnum, cb->word_start_col, |
| (int)cb->end.lnum, cb->word_end_col, CLIP_SET); |
| cb->start.col = cb->word_start_col; |
| cb->end.col = cb->word_end_col; |
| break; |
| |
| case SELECT_MODE_LINE: |
| clip_invert_area(cb, (int)cb->start.lnum, 0, (int)cb->start.lnum, |
| (int)Columns, CLIP_SET); |
| cb->start.col = 0; |
| cb->end.col = Columns; |
| break; |
| } |
| |
| cb->prev = cb->start; |
| |
| #ifdef DEBUG_SELECTION |
| printf("Selection started at (%ld,%d)\n", cb->start.lnum, cb->start.col); |
| #endif |
| } |
| |
| /* |
| * Continue processing the selection |
| */ |
| void |
| clip_process_selection( |
| int button, |
| int col, |
| int row, |
| int_u repeated_click) |
| { |
| Clipboard_T *cb = &clip_star; |
| int diff; |
| int slen = 1; // cursor shape width |
| |
| if (button == MOUSE_RELEASE) |
| { |
| if (cb->state != SELECT_IN_PROGRESS) |
| return; |
| |
| // Check to make sure we have something selected |
| if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col) |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_update_cursor(FALSE, FALSE); |
| #endif |
| cb->state = SELECT_CLEARED; |
| return; |
| } |
| |
| #ifdef DEBUG_SELECTION |
| printf("Selection ended: (%ld,%d) to (%ld,%d)\n", cb->start.lnum, |
| cb->start.col, cb->end.lnum, cb->end.col); |
| #endif |
| if (clip_isautosel_star() |
| || ( |
| #ifdef FEAT_GUI |
| gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) : |
| #endif |
| clip_autoselectml)) |
| clip_copy_modeless_selection(FALSE); |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_update_cursor(FALSE, FALSE); |
| #endif |
| |
| cb->state = SELECT_DONE; |
| return; |
| } |
| |
| row = check_row(row); |
| col = check_col(col); |
| col = mb_fix_col(col, row); |
| |
| if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click) |
| return; |
| |
| /* |
| * When extending the selection with the right mouse button, swap the |
| * start and end if the position is before half the selection |
| */ |
| if (cb->state == SELECT_DONE && button == MOUSE_RIGHT) |
| { |
| /* |
| * If the click is before the start, or the click is inside the |
| * selection and the start is the closest side, set the origin to the |
| * end of the selection. |
| */ |
| if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0 |
| || (clip_compare_pos(row, col, |
| (int)cb->end.lnum, cb->end.col) < 0 |
| && (((cb->start.lnum == cb->end.lnum |
| && cb->end.col - col > col - cb->start.col)) |
| || ((diff = (cb->end.lnum - row) - |
| (row - cb->start.lnum)) > 0 |
| || (diff == 0 && col < (int)(cb->start.col + |
| cb->end.col) / 2))))) |
| { |
| cb->origin_row = (short_u)cb->end.lnum; |
| cb->origin_start_col = cb->end.col - 1; |
| cb->origin_end_col = cb->end.col; |
| } |
| else |
| { |
| cb->origin_row = (short_u)cb->start.lnum; |
| cb->origin_start_col = cb->start.col; |
| cb->origin_end_col = cb->start.col; |
| } |
| if (cb->mode == SELECT_MODE_WORD && !repeated_click) |
| cb->mode = SELECT_MODE_CHAR; |
| } |
| |
| // set state, for when using the right mouse button |
| cb->state = SELECT_IN_PROGRESS; |
| |
| #ifdef DEBUG_SELECTION |
| printf("Selection extending to (%d,%d)\n", row, col); |
| #endif |
| |
| if (repeated_click && ++cb->mode > SELECT_MODE_LINE) |
| cb->mode = SELECT_MODE_CHAR; |
| |
| switch (cb->mode) |
| { |
| case SELECT_MODE_CHAR: |
| // If we're on a different line, find where the line ends |
| if (row != cb->prev.lnum) |
| cb->word_end_col = clip_get_line_end(cb, row); |
| |
| // See if we are before or after the origin of the selection |
| if (clip_compare_pos(row, col, cb->origin_row, |
| cb->origin_start_col) >= 0) |
| { |
| if (col >= (int)cb->word_end_col) |
| clip_update_modeless_selection(cb, cb->origin_row, |
| cb->origin_start_col, row, (int)Columns); |
| else |
| { |
| if (has_mbyte && mb_lefthalve(row, col)) |
| slen = 2; |
| clip_update_modeless_selection(cb, cb->origin_row, |
| cb->origin_start_col, row, col + slen); |
| } |
| } |
| else |
| { |
| if (has_mbyte |
| && mb_lefthalve(cb->origin_row, cb->origin_start_col)) |
| slen = 2; |
| if (col >= (int)cb->word_end_col) |
| clip_update_modeless_selection(cb, row, cb->word_end_col, |
| cb->origin_row, cb->origin_start_col + slen); |
| else |
| clip_update_modeless_selection(cb, row, col, |
| cb->origin_row, cb->origin_start_col + slen); |
| } |
| break; |
| |
| case SELECT_MODE_WORD: |
| // If we are still within the same word, do nothing |
| if (row == cb->prev.lnum && col >= (int)cb->word_start_col |
| && col < (int)cb->word_end_col && !repeated_click) |
| return; |
| |
| // Get new word boundaries |
| clip_get_word_boundaries(cb, row, col); |
| |
| // Handle being after the origin point of selection |
| if (clip_compare_pos(row, col, cb->origin_row, |
| cb->origin_start_col) >= 0) |
| clip_update_modeless_selection(cb, cb->origin_row, |
| cb->origin_start_col, row, cb->word_end_col); |
| else |
| clip_update_modeless_selection(cb, row, cb->word_start_col, |
| cb->origin_row, cb->origin_end_col); |
| break; |
| |
| case SELECT_MODE_LINE: |
| if (row == cb->prev.lnum && !repeated_click) |
| return; |
| |
| if (clip_compare_pos(row, col, cb->origin_row, |
| cb->origin_start_col) >= 0) |
| clip_update_modeless_selection(cb, cb->origin_row, 0, row, |
| (int)Columns); |
| else |
| clip_update_modeless_selection(cb, row, 0, cb->origin_row, |
| (int)Columns); |
| break; |
| } |
| |
| cb->prev.lnum = row; |
| cb->prev.col = col; |
| |
| #ifdef DEBUG_SELECTION |
| printf("Selection is: (%ld,%d) to (%ld,%d)\n", cb->start.lnum, |
| cb->start.col, cb->end.lnum, cb->end.col); |
| #endif |
| } |
| |
| # if defined(FEAT_GUI) || defined(PROTO) |
| /* |
| * Redraw part of the selection if character at "row,col" is inside of it. |
| * Only used for the GUI. |
| */ |
| void |
| clip_may_redraw_selection(int row, int col, int len) |
| { |
| int start = col; |
| int end = col + len; |
| |
| if (clip_star.state != SELECT_CLEARED |
| && row >= clip_star.start.lnum |
| && row <= clip_star.end.lnum) |
| { |
| if (row == clip_star.start.lnum && start < (int)clip_star.start.col) |
| start = clip_star.start.col; |
| if (row == clip_star.end.lnum && end > (int)clip_star.end.col) |
| end = clip_star.end.col; |
| if (end > start) |
| clip_invert_area(&clip_star, row, start, row, end, 0); |
| } |
| } |
| # endif |
| |
| /* |
| * Called from outside to clear selected region from the display |
| */ |
| void |
| clip_clear_selection(Clipboard_T *cbd) |
| { |
| |
| if (cbd->state == SELECT_CLEARED) |
| return; |
| |
| clip_invert_area(cbd, (int)cbd->start.lnum, cbd->start.col, |
| (int)cbd->end.lnum, cbd->end.col, CLIP_CLEAR); |
| cbd->state = SELECT_CLEARED; |
| } |
| |
| /* |
| * Clear the selection if any lines from "row1" to "row2" are inside of it. |
| */ |
| void |
| clip_may_clear_selection(int row1, int row2) |
| { |
| if (clip_star.state == SELECT_DONE |
| && row2 >= clip_star.start.lnum |
| && row1 <= clip_star.end.lnum) |
| clip_clear_selection(&clip_star); |
| } |
| |
| /* |
| * Called before the screen is scrolled up or down. Adjusts the line numbers |
| * of the selection. Call with big number when clearing the screen. |
| */ |
| void |
| clip_scroll_selection( |
| int rows) // negative for scroll down |
| { |
| int lnum; |
| |
| if (clip_star.state == SELECT_CLEARED) |
| return; |
| |
| lnum = clip_star.start.lnum - rows; |
| if (lnum <= 0) |
| clip_star.start.lnum = 0; |
| else if (lnum >= screen_Rows) // scrolled off of the screen |
| clip_star.state = SELECT_CLEARED; |
| else |
| clip_star.start.lnum = lnum; |
| |
| lnum = clip_star.end.lnum - rows; |
| if (lnum < 0) // scrolled off of the screen |
| clip_star.state = SELECT_CLEARED; |
| else if (lnum >= screen_Rows) |
| clip_star.end.lnum = screen_Rows - 1; |
| else |
| clip_star.end.lnum = lnum; |
| } |
| |
| /* |
| * Invert a region of the display between a starting and ending row and column |
| * Values for "how": |
| * CLIP_CLEAR: undo inversion |
| * CLIP_SET: set inversion |
| * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise. |
| * 0: invert (GUI only). |
| */ |
| static void |
| clip_invert_area( |
| Clipboard_T *cbd, |
| int row1, |
| int col1, |
| int row2, |
| int col2, |
| int how) |
| { |
| int invert = FALSE; |
| int max_col; |
| |
| #ifdef FEAT_PROP_POPUP |
| max_col = cbd->max_col - 1; |
| #else |
| max_col = Columns - 1; |
| #endif |
| |
| if (how == CLIP_SET) |
| invert = TRUE; |
| |
| // Swap the from and to positions so the from is always before |
| if (clip_compare_pos(row1, col1, row2, col2) > 0) |
| { |
| int tmp_row, tmp_col; |
| |
| tmp_row = row1; |
| tmp_col = col1; |
| row1 = row2; |
| col1 = col2; |
| row2 = tmp_row; |
| col2 = tmp_col; |
| } |
| else if (how == CLIP_TOGGLE) |
| invert = TRUE; |
| |
| // If all on the same line, do it the easy way |
| if (row1 == row2) |
| { |
| clip_invert_rectangle(cbd, row1, col1, 1, col2 - col1, invert); |
| } |
| else |
| { |
| // Handle a piece of the first line |
| if (col1 > 0) |
| { |
| clip_invert_rectangle(cbd, row1, col1, 1, |
| (int)Columns - col1, invert); |
| row1++; |
| } |
| |
| // Handle a piece of the last line |
| if (col2 < max_col) |
| { |
| clip_invert_rectangle(cbd, row2, 0, 1, col2, invert); |
| row2--; |
| } |
| |
| // Handle the rectangle that's left |
| if (row2 >= row1) |
| clip_invert_rectangle(cbd, row1, 0, row2 - row1 + 1, |
| (int)Columns, invert); |
| } |
| } |
| |
| /* |
| * Invert or un-invert a rectangle of the screen. |
| * "invert" is true if the result is inverted. |
| */ |
| static void |
| clip_invert_rectangle( |
| Clipboard_T *cbd UNUSED, |
| int row_arg, |
| int col_arg, |
| int height_arg, |
| int width_arg, |
| int invert) |
| { |
| int row = row_arg; |
| int col = col_arg; |
| int height = height_arg; |
| int width = width_arg; |
| |
| #ifdef FEAT_PROP_POPUP |
| // this goes on top of all popup windows |
| screen_zindex = CLIP_ZINDEX; |
| |
| if (col < cbd->min_col) |
| { |
| width -= cbd->min_col - col; |
| col = cbd->min_col; |
| } |
| if (width > cbd->max_col - col) |
| width = cbd->max_col - col; |
| if (row < cbd->min_row) |
| { |
| height -= cbd->min_row - row; |
| row = cbd->min_row; |
| } |
| if (height > cbd->max_row - row + 1) |
| height = cbd->max_row - row + 1; |
| #endif |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_mch_invert_rectangle(row, col, height, width); |
| else |
| #endif |
| screen_draw_rectangle(row, col, height, width, invert); |
| #ifdef FEAT_PROP_POPUP |
| screen_zindex = 0; |
| #endif |
| } |
| |
| /* |
| * Copy the currently selected area into the '*' register so it will be |
| * available for pasting. |
| * When "both" is TRUE also copy to the '+' register. |
| */ |
| void |
| clip_copy_modeless_selection(int both UNUSED) |
| { |
| char_u *buffer; |
| char_u *bufp; |
| int row; |
| int start_col; |
| int end_col; |
| int line_end_col; |
| int add_newline_flag = FALSE; |
| int len; |
| char_u *p; |
| int row1 = clip_star.start.lnum; |
| int col1 = clip_star.start.col; |
| int row2 = clip_star.end.lnum; |
| int col2 = clip_star.end.col; |
| |
| // Can't use ScreenLines unless initialized |
| if (ScreenLines == NULL) |
| return; |
| |
| /* |
| * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2. |
| */ |
| if (row1 > row2) |
| { |
| row = row1; row1 = row2; row2 = row; |
| row = col1; col1 = col2; col2 = row; |
| } |
| else if (row1 == row2 && col1 > col2) |
| { |
| row = col1; col1 = col2; col2 = row; |
| } |
| #ifdef FEAT_PROP_POPUP |
| if (col1 < clip_star.min_col) |
| col1 = clip_star.min_col; |
| if (col2 > clip_star.max_col) |
| col2 = clip_star.max_col; |
| if (row1 > clip_star.max_row || row2 < clip_star.min_row) |
| return; |
| if (row1 < clip_star.min_row) |
| row1 = clip_star.min_row; |
| if (row2 > clip_star.max_row) |
| row2 = clip_star.max_row; |
| #endif |
| // correct starting point for being on right halve of double-wide char |
| p = ScreenLines + LineOffset[row1]; |
| if (enc_dbcs != 0) |
| col1 -= (*mb_head_off)(p, p + col1); |
| else if (enc_utf8 && p[col1] == 0) |
| --col1; |
| |
| // Create a temporary buffer for storing the text |
| len = (row2 - row1 + 1) * Columns + 1; |
| if (enc_dbcs != 0) |
| len *= 2; // max. 2 bytes per display cell |
| else if (enc_utf8) |
| len *= MB_MAXBYTES; |
| buffer = alloc(len); |
| if (buffer == NULL) // out of memory |
| return; |
| |
| // Process each row in the selection |
| for (bufp = buffer, row = row1; row <= row2; row++) |
| { |
| if (row == row1) |
| start_col = col1; |
| else |
| #ifdef FEAT_PROP_POPUP |
| start_col = clip_star.min_col; |
| #else |
| start_col = 0; |
| #endif |
| |
| if (row == row2) |
| end_col = col2; |
| else |
| #ifdef FEAT_PROP_POPUP |
| end_col = clip_star.max_col; |
| #else |
| end_col = Columns; |
| #endif |
| |
| line_end_col = clip_get_line_end(&clip_star, row); |
| |
| // See if we need to nuke some trailing whitespace |
| if (end_col >= |
| #ifdef FEAT_PROP_POPUP |
| clip_star.max_col |
| #else |
| Columns |
| #endif |
| && (row < row2 || end_col > line_end_col)) |
| { |
| // Get rid of trailing whitespace |
| end_col = line_end_col; |
| if (end_col < start_col) |
| end_col = start_col; |
| |
| // If the last line extended to the end, add an extra newline |
| if (row == row2) |
| add_newline_flag = TRUE; |
| } |
| |
| // If after the first row, we need to always add a newline |
| if (row > row1 && !LineWraps[row - 1]) |
| *bufp++ = NL; |
| |
| // Safetey check for in case resizing went wrong |
| if (row < screen_Rows && end_col <= screen_Columns) |
| { |
| if (enc_dbcs != 0) |
| { |
| int i; |
| |
| p = ScreenLines + LineOffset[row]; |
| for (i = start_col; i < end_col; ++i) |
| if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e) |
| { |
| // single-width double-byte char |
| *bufp++ = 0x8e; |
| *bufp++ = ScreenLines2[LineOffset[row] + i]; |
| } |
| else |
| { |
| *bufp++ = p[i]; |
| if (MB_BYTE2LEN(p[i]) == 2) |
| *bufp++ = p[++i]; |
| } |
| } |
| else if (enc_utf8) |
| { |
| int off; |
| int i; |
| int ci; |
| |
| off = LineOffset[row]; |
| for (i = start_col; i < end_col; ++i) |
| { |
| // The base character is either in ScreenLinesUC[] or |
| // ScreenLines[]. |
| if (ScreenLinesUC[off + i] == 0) |
| *bufp++ = ScreenLines[off + i]; |
| else |
| { |
| bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp); |
| for (ci = 0; ci < Screen_mco; ++ci) |
| { |
| // Add a composing character. |
| if (ScreenLinesC[ci][off + i] == 0) |
| break; |
| bufp += utf_char2bytes(ScreenLinesC[ci][off + i], |
| bufp); |
| } |
| } |
| // Skip right halve of double-wide character. |
| if (ScreenLines[off + i + 1] == 0) |
| ++i; |
| } |
| } |
| else |
| { |
| STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col, |
| end_col - start_col); |
| bufp += end_col - start_col; |
| } |
| } |
| } |
| |
| // Add a newline at the end if the selection ended there |
| if (add_newline_flag) |
| *bufp++ = NL; |
| |
| // First cleanup any old selection and become the owner. |
| clip_free_selection(&clip_star); |
| clip_own_selection(&clip_star); |
| |
| // Yank the text into the '*' register. |
| clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star); |
| |
| // Make the register contents available to the outside world. |
| clip_gen_set_selection(&clip_star); |
| |
| #ifdef FEAT_X11 |
| if (both) |
| { |
| // Do the same for the '+' register. |
| clip_free_selection(&clip_plus); |
| clip_own_selection(&clip_plus); |
| clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus); |
| clip_gen_set_selection(&clip_plus); |
| } |
| #endif |
| vim_free(buffer); |
| } |
| |
| /* |
| * Find the starting and ending positions of the word at the given row and |
| * column. Only white-separated words are recognized here. |
| */ |
| #define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c)) |
| |
| static void |
| clip_get_word_boundaries(Clipboard_T *cb, int row, int col) |
| { |
| int start_class; |
| int temp_col; |
| char_u *p; |
| int mboff; |
| |
| if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL) |
| return; |
| |
| p = ScreenLines + LineOffset[row]; |
| // Correct for starting in the right halve of a double-wide char |
| if (enc_dbcs != 0) |
| col -= dbcs_screen_head_off(p, p + col); |
| else if (enc_utf8 && p[col] == 0) |
| --col; |
| start_class = CHAR_CLASS(p[col]); |
| |
| temp_col = col; |
| for ( ; temp_col > 0; temp_col--) |
| if (enc_dbcs != 0 |
| && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0) |
| temp_col -= mboff; |
| else if (CHAR_CLASS(p[temp_col - 1]) != start_class |
| && !(enc_utf8 && p[temp_col - 1] == 0)) |
| break; |
| cb->word_start_col = temp_col; |
| |
| temp_col = col; |
| for ( ; temp_col < screen_Columns; temp_col++) |
| if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2) |
| ++temp_col; |
| else if (CHAR_CLASS(p[temp_col]) != start_class |
| && !(enc_utf8 && p[temp_col] == 0)) |
| break; |
| cb->word_end_col = temp_col; |
| } |
| |
| /* |
| * Find the column position for the last non-whitespace character on the given |
| * line at or before start_col. |
| */ |
| static int |
| clip_get_line_end(Clipboard_T *cbd UNUSED, int row) |
| { |
| int i; |
| |
| if (row >= screen_Rows || ScreenLines == NULL) |
| return 0; |
| for (i = |
| #ifdef FEAT_PROP_POPUP |
| cbd->max_col; |
| #else |
| screen_Columns; |
| #endif |
| i > 0; i--) |
| if (ScreenLines[LineOffset[row] + i - 1] != ' ') |
| break; |
| return i; |
| } |
| |
| /* |
| * Update the currently selected region by adding and/or subtracting from the |
| * beginning or end and inverting the changed area(s). |
| */ |
| static void |
| clip_update_modeless_selection( |
| Clipboard_T *cb, |
| int row1, |
| int col1, |
| int row2, |
| int col2) |
| { |
| // See if we changed at the beginning of the selection |
| if (row1 != cb->start.lnum || col1 != (int)cb->start.col) |
| { |
| clip_invert_area(cb, row1, col1, (int)cb->start.lnum, cb->start.col, |
| CLIP_TOGGLE); |
| cb->start.lnum = row1; |
| cb->start.col = col1; |
| } |
| |
| // See if we changed at the end of the selection |
| if (row2 != cb->end.lnum || col2 != (int)cb->end.col) |
| { |
| clip_invert_area(cb, (int)cb->end.lnum, cb->end.col, row2, col2, |
| CLIP_TOGGLE); |
| cb->end.lnum = row2; |
| cb->end.col = col2; |
| } |
| } |
| |
| static int |
| clip_gen_own_selection(Clipboard_T *cbd) |
| { |
| #ifdef FEAT_XCLIPBOARD |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| return clip_mch_own_selection(cbd); |
| else |
| # endif |
| return clip_xterm_own_selection(cbd); |
| #else |
| return clip_mch_own_selection(cbd); |
| #endif |
| } |
| |
| static void |
| clip_gen_lose_selection(Clipboard_T *cbd) |
| { |
| #ifdef FEAT_XCLIPBOARD |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| clip_mch_lose_selection(cbd); |
| else |
| # endif |
| clip_xterm_lose_selection(cbd); |
| #else |
| clip_mch_lose_selection(cbd); |
| #endif |
| } |
| |
| void |
| clip_gen_set_selection(Clipboard_T *cbd) |
| { |
| if (!clip_did_set_selection) |
| { |
| // Updating postponed, so that accessing the system clipboard won't |
| // hang Vim when accessing it many times (e.g. on a :g command). |
| if ((cbd == &clip_plus && (clip_unnamed_saved & CLIP_UNNAMED_PLUS)) |
| || (cbd == &clip_star && (clip_unnamed_saved & CLIP_UNNAMED))) |
| { |
| clipboard_needs_update = TRUE; |
| return; |
| } |
| } |
| #ifdef FEAT_XCLIPBOARD |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| clip_mch_set_selection(cbd); |
| else |
| # endif |
| clip_xterm_set_selection(cbd); |
| #else |
| clip_mch_set_selection(cbd); |
| #endif |
| } |
| |
| void |
| clip_gen_request_selection(Clipboard_T *cbd) |
| { |
| #ifdef FEAT_XCLIPBOARD |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| clip_mch_request_selection(cbd); |
| else |
| # endif |
| clip_xterm_request_selection(cbd); |
| #else |
| clip_mch_request_selection(cbd); |
| #endif |
| } |
| |
| #if (defined(FEAT_X11) && defined(USE_SYSTEM)) || defined(PROTO) |
| int |
| clip_gen_owner_exists(Clipboard_T *cbd UNUSED) |
| { |
| #ifdef FEAT_XCLIPBOARD |
| # ifdef FEAT_GUI_GTK |
| if (gui.in_use) |
| return clip_gtk_owner_exists(cbd); |
| else |
| # endif |
| return clip_x11_owner_exists(cbd); |
| #else |
| return TRUE; |
| #endif |
| } |
| #endif |
| |
| /* |
| * Extract the items in the 'clipboard' option and set global values. |
| * Return an error message or NULL for success. |
| */ |
| char * |
| check_clipboard_option(void) |
| { |
| int new_unnamed = 0; |
| int new_autoselect_star = FALSE; |
| int new_autoselect_plus = FALSE; |
| int new_autoselectml = FALSE; |
| int new_html = FALSE; |
| regprog_T *new_exclude_prog = NULL; |
| char *errmsg = NULL; |
| char_u *p; |
| |
| for (p = p_cb; *p != NUL; ) |
| { |
| if (STRNCMP(p, "unnamed", 7) == 0 && (p[7] == ',' || p[7] == NUL)) |
| { |
| new_unnamed |= CLIP_UNNAMED; |
| p += 7; |
| } |
| else if (STRNCMP(p, "unnamedplus", 11) == 0 |
| && (p[11] == ',' || p[11] == NUL)) |
| { |
| new_unnamed |= CLIP_UNNAMED_PLUS; |
| p += 11; |
| } |
| else if (STRNCMP(p, "autoselect", 10) == 0 |
| && (p[10] == ',' || p[10] == NUL)) |
| { |
| new_autoselect_star = TRUE; |
| p += 10; |
| } |
| else if (STRNCMP(p, "autoselectplus", 14) == 0 |
| && (p[14] == ',' || p[14] == NUL)) |
| { |
| new_autoselect_plus = TRUE; |
| p += 14; |
| } |
| else if (STRNCMP(p, "autoselectml", 12) == 0 |
| && (p[12] == ',' || p[12] == NUL)) |
| { |
| new_autoselectml = TRUE; |
| p += 12; |
| } |
| else if (STRNCMP(p, "html", 4) == 0 && (p[4] == ',' || p[4] == NUL)) |
| { |
| new_html = TRUE; |
| p += 4; |
| } |
| else if (STRNCMP(p, "exclude:", 8) == 0 && new_exclude_prog == NULL) |
| { |
| p += 8; |
| new_exclude_prog = vim_regcomp(p, RE_MAGIC); |
| if (new_exclude_prog == NULL) |
| errmsg = e_invarg; |
| break; |
| } |
| else |
| { |
| errmsg = e_invarg; |
| break; |
| } |
| if (*p == ',') |
| ++p; |
| } |
| if (errmsg == NULL) |
| { |
| clip_unnamed = new_unnamed; |
| clip_autoselect_star = new_autoselect_star; |
| clip_autoselect_plus = new_autoselect_plus; |
| clip_autoselectml = new_autoselectml; |
| clip_html = new_html; |
| vim_regfree(clip_exclude_prog); |
| clip_exclude_prog = new_exclude_prog; |
| #ifdef FEAT_GUI_GTK |
| if (gui.in_use) |
| { |
| gui_gtk_set_selection_targets(); |
| gui_gtk_set_dnd_targets(); |
| } |
| #endif |
| } |
| else |
| vim_regfree(new_exclude_prog); |
| |
| return errmsg; |
| } |
| |
| #endif // FEAT_CLIPBOARD |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Functions that handle the input buffer. |
| // This is used for any GUI version, and the unix terminal version. |
| // |
| // For Unix, the input characters are buffered to be able to check for a |
| // CTRL-C. This should be done with signals, but I don't know how to do that |
| // in a portable way for a tty in RAW mode. |
| // |
| // For the client-server code in the console the received keys are put in the |
| // input buffer. |
| |
| #if defined(USE_INPUT_BUF) || defined(PROTO) |
| |
| /* |
| * Internal typeahead buffer. Includes extra space for long key code |
| * descriptions which would otherwise overflow. The buffer is considered full |
| * when only this extra space (or part of it) remains. |
| */ |
| #if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER) |
| /* |
| * NetBeans stuffs debugger commands into the input buffer. |
| * This requires a larger buffer... |
| * (Madsen) Go with this for remote input as well ... |
| */ |
| # define INBUFLEN 4096 |
| #else |
| # define INBUFLEN 250 |
| #endif |
| |
| static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN]; |
| static int inbufcount = 0; // number of chars in inbuf[] |
| |
| /* |
| * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and |
| * trash_input_buf() are functions for manipulating the input buffer. These |
| * are used by the gui_* calls when a GUI is used to handle keyboard input. |
| */ |
| |
| int |
| vim_is_input_buf_full(void) |
| { |
| return (inbufcount >= INBUFLEN); |
| } |
| |
| int |
| vim_is_input_buf_empty(void) |
| { |
| return (inbufcount == 0); |
| } |
| |
| #if defined(FEAT_OLE) || defined(PROTO) |
| int |
| vim_free_in_input_buf(void) |
| { |
| return (INBUFLEN - inbufcount); |
| } |
| #endif |
| |
| #if defined(FEAT_GUI_GTK) || defined(PROTO) |
| int |
| vim_used_in_input_buf(void) |
| { |
| return inbufcount; |
| } |
| #endif |
| |
| /* |
| * Return the current contents of the input buffer and make it empty. |
| * The returned pointer must be passed to set_input_buf() later. |
| */ |
| char_u * |
| get_input_buf(void) |
| { |
| garray_T *gap; |
| |
| // We use a growarray to store the data pointer and the length. |
| gap = ALLOC_ONE(garray_T); |
| if (gap != NULL) |
| { |
| // Add one to avoid a zero size. |
| gap->ga_data = alloc(inbufcount + 1); |
| if (gap->ga_data != NULL) |
| mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount); |
| gap->ga_len = inbufcount; |
| } |
| trash_input_buf(); |
| return (char_u *)gap; |
| } |
| |
| /* |
| * Restore the input buffer with a pointer returned from get_input_buf(). |
| * The allocated memory is freed, this only works once! |
| */ |
| void |
| set_input_buf(char_u *p) |
| { |
| garray_T *gap = (garray_T *)p; |
| |
| if (gap != NULL) |
| { |
| if (gap->ga_data != NULL) |
| { |
| mch_memmove(inbuf, gap->ga_data, gap->ga_len); |
| inbufcount = gap->ga_len; |
| vim_free(gap->ga_data); |
| } |
| vim_free(gap); |
| } |
| } |
| |
| /* |
| * Add the given bytes to the input buffer |
| * Special keys start with CSI. A real CSI must have been translated to |
| * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation. |
| */ |
| void |
| add_to_input_buf(char_u *s, int len) |
| { |
| if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN) |
| return; // Shouldn't ever happen! |
| |
| while (len--) |
| inbuf[inbufcount++] = *s++; |
| } |
| |
| /* |
| * Add "str[len]" to the input buffer while escaping CSI bytes. |
| */ |
| void |
| add_to_input_buf_csi(char_u *str, int len) |
| { |
| int i; |
| char_u buf[2]; |
| |
| for (i = 0; i < len; ++i) |
| { |
| add_to_input_buf(str + i, 1); |
| if (str[i] == CSI) |
| { |
| // Turn CSI into K_CSI. |
| buf[0] = KS_EXTRA; |
| buf[1] = (int)KE_CSI; |
| add_to_input_buf(buf, 2); |
| } |
| } |
| } |
| |
| /* |
| * Remove everything from the input buffer. Called when ^C is found. |
| */ |
| void |
| trash_input_buf(void) |
| { |
| inbufcount = 0; |
| } |
| |
| /* |
| * Read as much data from the input buffer as possible up to maxlen, and store |
| * it in buf. |
| */ |
| int |
| read_from_input_buf(char_u *buf, long maxlen) |
| { |
| if (inbufcount == 0) // if the buffer is empty, fill it |
| fill_input_buf(TRUE); |
| if (maxlen > inbufcount) |
| maxlen = inbufcount; |
| mch_memmove(buf, inbuf, (size_t)maxlen); |
| inbufcount -= maxlen; |
| if (inbufcount) |
| mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount); |
| return (int)maxlen; |
| } |
| |
| void |
| fill_input_buf(int exit_on_error UNUSED) |
| { |
| #if defined(UNIX) || defined(VMS) || defined(MACOS_X) |
| int len; |
| int try; |
| static int did_read_something = FALSE; |
| static char_u *rest = NULL; // unconverted rest of previous read |
| static int restlen = 0; |
| int unconverted; |
| #endif |
| |
| #ifdef FEAT_GUI |
| if (gui.in_use |
| # ifdef NO_CONSOLE_INPUT |
| // Don't use the GUI input when the window hasn't been opened yet. |
| // We get here from ui_inchar() when we should try reading from stdin. |
| && !no_console_input() |
| # endif |
| ) |
| { |
| gui_mch_update(); |
| return; |
| } |
| #endif |
| #if defined(UNIX) || defined(VMS) || defined(MACOS_X) |
| if (vim_is_input_buf_full()) |
| return; |
| /* |
| * Fill_input_buf() is only called when we really need a character. |
| * If we can't get any, but there is some in the buffer, just return. |
| * If we can't get any, and there isn't any in the buffer, we give up and |
| * exit Vim. |
| */ |
| # ifdef __BEOS__ |
| /* |
| * On the BeBox version (for now), all input is secretly performed within |
| * beos_select() which is called from RealWaitForChar(). |
| */ |
| while (!vim_is_input_buf_full() && RealWaitForChar(read_cmd_fd, 0, NULL)) |
| ; |
| len = inbufcount; |
| inbufcount = 0; |
| # else |
| |
| if (rest != NULL) |
| { |
| // Use remainder of previous call, starts with an invalid character |
| // that may become valid when reading more. |
| if (restlen > INBUFLEN - inbufcount) |
| unconverted = INBUFLEN - inbufcount; |
| else |
| unconverted = restlen; |
| mch_memmove(inbuf + inbufcount, rest, unconverted); |
| if (unconverted == restlen) |
| VIM_CLEAR(rest); |
| else |
| { |
| restlen -= unconverted; |
| mch_memmove(rest, rest + unconverted, restlen); |
| } |
| inbufcount += unconverted; |
| } |
| else |
| unconverted = 0; |
| |
| len = 0; // to avoid gcc warning |
| for (try = 0; try < 100; ++try) |
| { |
| size_t readlen = (size_t)((INBUFLEN - inbufcount) |
| / input_conv.vc_factor); |
| # ifdef VMS |
| len = vms_read((char *)inbuf + inbufcount, readlen); |
| # else |
| len = read(read_cmd_fd, (char *)inbuf + inbufcount, readlen); |
| # endif |
| |
| if (len > 0 || got_int) |
| break; |
| /* |
| * If reading stdin results in an error, continue reading stderr. |
| * This helps when using "foo | xargs vim". |
| */ |
| if (!did_read_something && !isatty(read_cmd_fd) && read_cmd_fd == 0) |
| { |
| int m = cur_tmode; |
| |
| // We probably set the wrong file descriptor to raw mode. Switch |
| // back to cooked mode, use another descriptor and set the mode to |
| // what it was. |
| settmode(TMODE_COOK); |
| #ifdef HAVE_DUP |
| // Use stderr for stdin, also works for shell commands. |
| close(0); |
| vim_ignored = dup(2); |
| #else |
| read_cmd_fd = 2; // read from stderr instead of stdin |
| #endif |
| settmode(m); |
| } |
| if (!exit_on_error) |
| return; |
| } |
| # endif |
| if (len <= 0 && !got_int) |
| read_error_exit(); |
| if (len > 0) |
| did_read_something = TRUE; |
| if (got_int) |
| { |
| // Interrupted, pretend a CTRL-C was typed. |
| inbuf[0] = 3; |
| inbufcount = 1; |
| } |
| else |
| { |
| /* |
| * May perform conversion on the input characters. |
| * Include the unconverted rest of the previous call. |
| * If there is an incomplete char at the end it is kept for the next |
| * time, reading more bytes should make conversion possible. |
| * Don't do this in the unlikely event that the input buffer is too |
| * small ("rest" still contains more bytes). |
| */ |
| if (input_conv.vc_type != CONV_NONE) |
| { |
| inbufcount -= unconverted; |
| len = convert_input_safe(inbuf + inbufcount, |
| len + unconverted, INBUFLEN - inbufcount, |
| rest == NULL ? &rest : NULL, &restlen); |
| } |
| while (len-- > 0) |
| { |
| /* |
| * If a CTRL-C was typed, remove it from the buffer and set |
| * got_int. Also recognize CTRL-C with modifyOtherKeys set. |
| */ |
| if (ctrl_c_interrupts && (inbuf[inbufcount] == 3 |
| || (len >= 9 && STRNCMP(inbuf + inbufcount, |
| "\033[27;5;99~", 10) == 0))) |
| { |
| // remove everything typed before the CTRL-C |
| mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1)); |
| inbufcount = 0; |
| got_int = TRUE; |
| } |
| ++inbufcount; |
| } |
| } |
| #endif // UNIX || VMS || MACOS_X |
| } |
| #endif // USE_INPUT_BUF |
| |
| /* |
| * Exit because of an input read error. |
| */ |
| void |
| read_error_exit(void) |
| { |
| if (silent_mode) // Normal way to exit for "ex -s" |
| getout(0); |
| STRCPY(IObuff, _("Vim: Error reading input, exiting...\n")); |
| preserve_exit(); |
| } |
| |
| #if defined(CURSOR_SHAPE) || defined(PROTO) |
| /* |
| * May update the shape of the cursor. |
| */ |
| void |
| ui_cursor_shape_forced(int forced) |
| { |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_update_cursor_later(); |
| else |
| # endif |
| term_cursor_mode(forced); |
| |
| # ifdef MCH_CURSOR_SHAPE |
| mch_update_cursor(); |
| # endif |
| |
| # ifdef FEAT_CONCEAL |
| conceal_check_cursor_line(); |
| # endif |
| } |
| |
| void |
| ui_cursor_shape(void) |
| { |
| ui_cursor_shape_forced(FALSE); |
| } |
| #endif |
| |
| /* |
| * Check bounds for column number |
| */ |
| int |
| check_col(int col) |
| { |
| if (col < 0) |
| return 0; |
| if (col >= (int)screen_Columns) |
| return (int)screen_Columns - 1; |
| return col; |
| } |
| |
| /* |
| * Check bounds for row number |
| */ |
| int |
| check_row(int row) |
| { |
| if (row < 0) |
| return 0; |
| if (row >= (int)screen_Rows) |
| return (int)screen_Rows - 1; |
| return row; |
| } |
| |
| /* |
| * Stuff for the X clipboard. Shared between VMS and Unix. |
| */ |
| |
| #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO) |
| # include <X11/Xatom.h> |
| # include <X11/Intrinsic.h> |
| |
| /* |
| * Open the application context (if it hasn't been opened yet). |
| * Used for Motif and Athena GUI and the xterm clipboard. |
| */ |
| void |
| open_app_context(void) |
| { |
| if (app_context == NULL) |
| { |
| XtToolkitInitialize(); |
| app_context = XtCreateApplicationContext(); |
| } |
| } |
| |
| static Atom vim_atom; // Vim's own special selection format |
| static Atom vimenc_atom; // Vim's extended selection format |
| static Atom utf8_atom; |
| static Atom compound_text_atom; |
| static Atom text_atom; |
| static Atom targets_atom; |
| static Atom timestamp_atom; // Used to get a timestamp |
| |
| void |
| x11_setup_atoms(Display *dpy) |
| { |
| vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False); |
| vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False); |
| utf8_atom = XInternAtom(dpy, "UTF8_STRING", False); |
| compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False); |
| text_atom = XInternAtom(dpy, "TEXT", False); |
| targets_atom = XInternAtom(dpy, "TARGETS", False); |
| clip_star.sel_atom = XA_PRIMARY; |
| clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False); |
| timestamp_atom = XInternAtom(dpy, "TIMESTAMP", False); |
| } |
| |
| /* |
| * X Selection stuff, for cutting and pasting text to other windows. |
| */ |
| |
| static Boolean clip_x11_convert_selection_cb(Widget w, Atom *sel_atom, Atom *target, Atom *type, XtPointer *value, long_u *length, int *format); |
| static void clip_x11_lose_ownership_cb(Widget w, Atom *sel_atom); |
| static void clip_x11_notify_cb(Widget w, Atom *sel_atom, Atom *target); |
| |
| /* |
| * Property callback to get a timestamp for XtOwnSelection. |
| */ |
| static void |
| clip_x11_timestamp_cb( |
| Widget w, |
| XtPointer n UNUSED, |
| XEvent *event, |
| Boolean *cont UNUSED) |
| { |
| Atom actual_type; |
| int format; |
| unsigned long nitems, bytes_after; |
| unsigned char *prop=NULL; |
| XPropertyEvent *xproperty=&event->xproperty; |
| |
| // Must be a property notify, state can't be Delete (True), has to be |
| // one of the supported selection types. |
| if (event->type != PropertyNotify || xproperty->state |
| || (xproperty->atom != clip_star.sel_atom |
| && xproperty->atom != clip_plus.sel_atom)) |
| return; |
| |
| if (XGetWindowProperty(xproperty->display, xproperty->window, |
| xproperty->atom, 0, 0, False, timestamp_atom, &actual_type, &format, |
| &nitems, &bytes_after, &prop)) |
| return; |
| |
| if (prop) |
| XFree(prop); |
| |
| // Make sure the property type is "TIMESTAMP" and it's 32 bits. |
| if (actual_type != timestamp_atom || format != 32) |
| return; |
| |
| // Get the selection, using the event timestamp. |
| if (XtOwnSelection(w, xproperty->atom, xproperty->time, |
| clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb, |
| clip_x11_notify_cb) == OK) |
| { |
| // Set the "owned" flag now, there may have been a call to |
| // lose_ownership_cb in between. |
| if (xproperty->atom == clip_plus.sel_atom) |
| clip_plus.owned = TRUE; |
| else |
| clip_star.owned = TRUE; |
| } |
| } |
| |
| void |
| x11_setup_selection(Widget w) |
| { |
| XtAddEventHandler(w, PropertyChangeMask, False, |
| /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL); |
| } |
| |
| static void |
| clip_x11_request_selection_cb( |
| Widget w UNUSED, |
| XtPointer success, |
| Atom *sel_atom, |
| Atom *type, |
| XtPointer value, |
| long_u *length, |
| int *format) |
| { |
| int motion_type = MAUTO; |
| long_u len; |
| char_u *p; |
| char **text_list = NULL; |
| Clipboard_T *cbd; |
| char_u *tmpbuf = NULL; |
| |
| if (*sel_atom == clip_plus.sel_atom) |
| cbd = &clip_plus; |
| else |
| cbd = &clip_star; |
| |
| if (value == NULL || *length == 0) |
| { |
| clip_free_selection(cbd); // nothing received, clear register |
| *(int *)success = FALSE; |
| return; |
| } |
| p = (char_u *)value; |
| len = *length; |
| if (*type == vim_atom) |
| { |
| motion_type = *p++; |
| len--; |
| } |
| |
| else if (*type == vimenc_atom) |
| { |
| char_u *enc; |
| vimconv_T conv; |
| int convlen; |
| |
| motion_type = *p++; |
| --len; |
| |
| enc = p; |
| p += STRLEN(p) + 1; |
| len -= p - enc; |
| |
| // If the encoding of the text is different from 'encoding', attempt |
| // converting it. |
| conv.vc_type = CONV_NONE; |
| convert_setup(&conv, enc, p_enc); |
| if (conv.vc_type != CONV_NONE) |
| { |
| convlen = len; // Need to use an int here. |
| tmpbuf = string_convert(&conv, p, &convlen); |
| len = convlen; |
| if (tmpbuf != NULL) |
| p = tmpbuf; |
| convert_setup(&conv, NULL, NULL); |
| } |
| } |
| |
| else if (*type == compound_text_atom |
| || *type == utf8_atom |
| || (enc_dbcs != 0 && *type == text_atom)) |
| { |
| XTextProperty text_prop; |
| int n_text = 0; |
| int status; |
| |
| text_prop.value = (unsigned char *)value; |
| text_prop.encoding = *type; |
| text_prop.format = *format; |
| text_prop.nitems = len; |
| #if defined(X_HAVE_UTF8_STRING) |
| if (*type == utf8_atom) |
| status = Xutf8TextPropertyToTextList(X_DISPLAY, &text_prop, |
| &text_list, &n_text); |
| else |
| #endif |
| status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop, |
| &text_list, &n_text); |
| if (status != Success || n_text < 1) |
| { |
| *(int *)success = FALSE; |
| return; |
| } |
| p = (char_u *)text_list[0]; |
| len = STRLEN(p); |
| } |
| clip_yank_selection(motion_type, p, (long)len, cbd); |
| |
| if (text_list != NULL) |
| XFreeStringList(text_list); |
| vim_free(tmpbuf); |
| XtFree((char *)value); |
| *(int *)success = TRUE; |
| } |
| |
| void |
| clip_x11_request_selection( |
| Widget myShell, |
| Display *dpy, |
| Clipboard_T *cbd) |
| { |
| XEvent event; |
| Atom type; |
| static int success; |
| int i; |
| time_t start_time; |
| int timed_out = FALSE; |
| |
| for (i = 0; i < 6; i++) |
| { |
| switch (i) |
| { |
| case 0: type = vimenc_atom; break; |
| case 1: type = vim_atom; break; |
| case 2: type = utf8_atom; break; |
| case 3: type = compound_text_atom; break; |
| case 4: type = text_atom; break; |
| default: type = XA_STRING; |
| } |
| if (type == utf8_atom |
| # if defined(X_HAVE_UTF8_STRING) |
| && !enc_utf8 |
| # endif |
| ) |
| // Only request utf-8 when 'encoding' is utf8 and |
| // Xutf8TextPropertyToTextList is available. |
| continue; |
| success = MAYBE; |
| XtGetSelectionValue(myShell, cbd->sel_atom, type, |
| clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime); |
| |
| // Make sure the request for the selection goes out before waiting for |
| // a response. |
| XFlush(dpy); |
| |
| /* |
| * Wait for result of selection request, otherwise if we type more |
| * characters, then they will appear before the one that requested the |
| * paste! Don't worry, we will catch up with any other events later. |
| */ |
| start_time = time(NULL); |
| while (success == MAYBE) |
| { |
| if (XCheckTypedEvent(dpy, PropertyNotify, &event) |
| || XCheckTypedEvent(dpy, SelectionNotify, &event) |
| || XCheckTypedEvent(dpy, SelectionRequest, &event)) |
| { |
| // This is where clip_x11_request_selection_cb() should be |
| // called. It may actually happen a bit later, so we loop |
| // until "success" changes. |
| // We may get a SelectionRequest here and if we don't handle |
| // it we hang. KDE klipper does this, for example. |
| // We need to handle a PropertyNotify for large selections. |
| XtDispatchEvent(&event); |
| continue; |
| } |
| |
| // Time out after 2 to 3 seconds to avoid that we hang when the |
| // other process doesn't respond. Note that the SelectionNotify |
| // event may still come later when the selection owner comes back |
| // to life and the text gets inserted unexpectedly. Don't know |
| // why that happens or how to avoid that :-(. |
| if (time(NULL) > start_time + 2) |
| { |
| timed_out = TRUE; |
| break; |
| } |
| |
| // Do we need this? Probably not. |
| XSync(dpy, False); |
| |
| // Wait for 1 msec to avoid that we eat up all CPU time. |
| ui_delay(1L, TRUE); |
| } |
| |
| if (success == TRUE) |
| return; |
| |
| // don't do a retry with another type after timing out, otherwise we |
| // hang for 15 seconds. |
| if (timed_out) |
| break; |
| } |
| |
| // Final fallback position - use the X CUT_BUFFER0 store |
| yank_cut_buffer0(dpy, cbd); |
| } |
| |
| static Boolean |
| clip_x11_convert_selection_cb( |
| Widget w UNUSED, |
| Atom *sel_atom, |
| Atom *target, |
| Atom *type, |
| XtPointer *value, |
| long_u *length, |
| int *format) |
| { |
| static char_u *save_result = NULL; |
| static long_u save_length = 0; |
| char_u *string; |
| int motion_type; |
| Clipboard_T *cbd; |
| int i; |
| |
| if (*sel_atom == clip_plus.sel_atom) |
| cbd = &clip_plus; |
| else |
| cbd = &clip_star; |
| |
| if (!cbd->owned) |
| return False; // Shouldn't ever happen |
| |
| // requestor wants to know what target types we support |
| if (*target == targets_atom) |
| { |
| static Atom array[7]; |
| |
| *value = (XtPointer)array; |
| i = 0; |
| array[i++] = targets_atom; |
| array[i++] = vimenc_atom; |
| array[i++] = vim_atom; |
| if (enc_utf8) |
| array[i++] = utf8_atom; |
| array[i++] = XA_STRING; |
| array[i++] = text_atom; |
| array[i++] = compound_text_atom; |
| |
| *type = XA_ATOM; |
| // This used to be: *format = sizeof(Atom) * 8; but that caused |
| // crashes on 64 bit machines. (Peter Derr) |
| *format = 32; |
| *length = i; |
| return True; |
| } |
| |
| if ( *target != XA_STRING |
| && *target != vimenc_atom |
| && (*target != utf8_atom || !enc_utf8) |
| && *target != vim_atom |
| && *target != text_atom |
| && *target != compound_text_atom) |
| return False; |
| |
| clip_get_selection(cbd); |
| motion_type = clip_convert_selection(&string, length, cbd); |
| if (motion_type < 0) |
| return False; |
| |
| // For our own format, the first byte contains the motion type |
| if (*target == vim_atom) |
| (*length)++; |
| |
| // Our own format with encoding: motion 'encoding' NUL text |
| if (*target == vimenc_atom) |
| *length += STRLEN(p_enc) + 2; |
| |
| if (save_length < *length || save_length / 2 >= *length) |
| *value = XtRealloc((char *)save_result, (Cardinal)*length + 1); |
| else |
| *value = save_result; |
| if (*value == NULL) |
| { |
| vim_free(string); |
| return False; |
| } |
| save_result = (char_u *)*value; |
| save_length = *length; |
| |
| if (*target == XA_STRING || (*target == utf8_atom && enc_utf8)) |
| { |
| mch_memmove(save_result, string, (size_t)(*length)); |
| *type = *target; |
| } |
| else if (*target == compound_text_atom || *target == text_atom) |
| { |
| XTextProperty text_prop; |
| char *string_nt = (char *)save_result; |
| int conv_result; |
| |
| // create NUL terminated string which XmbTextListToTextProperty wants |
| mch_memmove(string_nt, string, (size_t)*length); |
| string_nt[*length] = NUL; |
| conv_result = XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt, |
| 1, XCompoundTextStyle, &text_prop); |
| if (conv_result != Success) |
| { |
| vim_free(string); |
| return False; |
| } |
| *value = (XtPointer)(text_prop.value); // from plain text |
| *length = text_prop.nitems; |
| *type = compound_text_atom; |
| XtFree((char *)save_result); |
| save_result = (char_u *)*value; |
| save_length = *length; |
| } |
| else if (*target == vimenc_atom) |
| { |
| int l = STRLEN(p_enc); |
| |
| save_result[0] = motion_type; |
| STRCPY(save_result + 1, p_enc); |
| mch_memmove(save_result + l + 2, string, (size_t)(*length - l - 2)); |
| *type = vimenc_atom; |
| } |
| else |
| { |
| save_result[0] = motion_type; |
| mch_memmove(save_result + 1, string, (size_t)(*length - 1)); |
| *type = vim_atom; |
| } |
| *format = 8; // 8 bits per char |
| vim_free(string); |
| return True; |
| } |
| |
| static void |
| clip_x11_lose_ownership_cb(Widget w UNUSED, Atom *sel_atom) |
| { |
| if (*sel_atom == clip_plus.sel_atom) |
| clip_lose_selection(&clip_plus); |
| else |
| clip_lose_selection(&clip_star); |
| } |
| |
| void |
| clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd) |
| { |
| XtDisownSelection(myShell, cbd->sel_atom, |
| XtLastTimestampProcessed(XtDisplay(myShell))); |
| } |
| |
| static void |
| clip_x11_notify_cb(Widget w UNUSED, Atom *sel_atom UNUSED, Atom *target UNUSED) |
| { |
| // To prevent automatically freeing the selection value. |
| } |
| |
| int |
| clip_x11_own_selection(Widget myShell, Clipboard_T *cbd) |
| { |
| // When using the GUI we have proper timestamps, use the one of the last |
| // event. When in the console we don't get events (the terminal gets |
| // them), Get the time by a zero-length append, clip_x11_timestamp_cb will |
| // be called with the current timestamp. |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| if (XtOwnSelection(myShell, cbd->sel_atom, |
| XtLastTimestampProcessed(XtDisplay(myShell)), |
| clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb, |
| clip_x11_notify_cb) == False) |
| return FAIL; |
| } |
| else |
| #endif |
| { |
| if (!XChangeProperty(XtDisplay(myShell), XtWindow(myShell), |
| cbd->sel_atom, timestamp_atom, 32, PropModeAppend, NULL, 0)) |
| return FAIL; |
| } |
| // Flush is required in a terminal as nothing else is doing it. |
| XFlush(XtDisplay(myShell)); |
| return OK; |
| } |
| |
| /* |
| * Send the current selection to the clipboard. Do nothing for X because we |
| * will fill in the selection only when requested by another app. |
| */ |
| void |
| clip_x11_set_selection(Clipboard_T *cbd UNUSED) |
| { |
| } |
| |
| #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)) \ |
| || defined(PROTO) |
| static int |
| clip_x11_owner_exists(Clipboard_T *cbd) |
| { |
| return XGetSelectionOwner(X_DISPLAY, cbd->sel_atom) != None; |
| } |
| #endif |
| #endif |
| |
| #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) \ |
| || defined(FEAT_GUI_GTK) || defined(PROTO) |
| /* |
| * Get the contents of the X CUT_BUFFER0 and put it in "cbd". |
| */ |
| void |
| yank_cut_buffer0(Display *dpy, Clipboard_T *cbd) |
| { |
| int nbytes = 0; |
| char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0); |
| |
| if (nbytes > 0) |
| { |
| int done = FALSE; |
| |
| // CUT_BUFFER0 is supposed to be always latin1. Convert to 'enc' when |
| // using a multi-byte encoding. Conversion between two 8-bit |
| // character sets usually fails and the text might actually be in |
| // 'enc' anyway. |
| if (has_mbyte) |
| { |
| char_u *conv_buf; |
| vimconv_T vc; |
| |
| vc.vc_type = CONV_NONE; |
| if (convert_setup(&vc, (char_u *)"latin1", p_enc) == OK) |
| { |
| conv_buf = string_convert(&vc, buffer, &nbytes); |
| if (conv_buf != NULL) |
| { |
| clip_yank_selection(MCHAR, conv_buf, (long)nbytes, cbd); |
| vim_free(conv_buf); |
| done = TRUE; |
| } |
| convert_setup(&vc, NULL, NULL); |
| } |
| } |
| if (!done) // use the text without conversion |
| clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd); |
| XFree((void *)buffer); |
| if (p_verbose > 0) |
| { |
| verbose_enter(); |
| verb_msg(_("Used CUT_BUFFER0 instead of empty selection")); |
| verbose_leave(); |
| } |
| } |
| } |
| #endif |
| |
| #if defined(FEAT_GUI) || defined(MSWIN) || defined(PROTO) |
| /* |
| * Called when focus changed. Used for the GUI or for systems where this can |
| * be done in the console (Win32). |
| */ |
| void |
| ui_focus_change( |
| int in_focus) // TRUE if focus gained. |
| { |
| static time_t last_time = (time_t)0; |
| int need_redraw = FALSE; |
| |
| // When activated: Check if any file was modified outside of Vim. |
| // Only do this when not done within the last two seconds (could get |
| // several events in a row). |
| if (in_focus && last_time + 2 < time(NULL)) |
| { |
| need_redraw = check_timestamps( |
| # ifdef FEAT_GUI |
| gui.in_use |
| # else |
| FALSE |
| # endif |
| ); |
| last_time = time(NULL); |
| } |
| |
| /* |
| * Fire the focus gained/lost autocommand. |
| */ |
| need_redraw |= apply_autocmds(in_focus ? EVENT_FOCUSGAINED |
| : EVENT_FOCUSLOST, NULL, NULL, FALSE, curbuf); |
| |
| if (need_redraw) |
| { |
| // Something was executed, make sure the cursor is put back where it |
| // belongs. |
| need_wait_return = FALSE; |
| |
| if (State & CMDLINE) |
| redrawcmdline(); |
| else if (State == HITRETURN || State == SETWSIZE || State == ASKMORE |
| || State == EXTERNCMD || State == CONFIRM || exmode_active) |
| repeat_message(); |
| else if ((State & NORMAL) || (State & INSERT)) |
| { |
| if (must_redraw != 0) |
| update_screen(0); |
| setcursor(); |
| } |
| cursor_on(); // redrawing may have switched it off |
| out_flush_cursor(FALSE, TRUE); |
| # ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_update_scrollbars(FALSE); |
| # endif |
| } |
| #ifdef FEAT_TITLE |
| // File may have been changed from 'readonly' to 'noreadonly' |
| if (need_maketitle) |
| maketitle(); |
| #endif |
| } |
| #endif |
| |
| #if defined(HAVE_INPUT_METHOD) || defined(PROTO) |
| /* |
| * Save current Input Method status to specified place. |
| */ |
| void |
| im_save_status(long *psave) |
| { |
| // Don't save when 'imdisable' is set or "xic" is NULL, IM is always |
| // disabled then (but might start later). |
| // Also don't save when inside a mapping, vgetc_im_active has not been set |
| // then. |
| // And don't save when the keys were stuffed (e.g., for a "." command). |
| // And don't save when the GUI is running but our window doesn't have |
| // input focus (e.g., when a find dialog is open). |
| if (!p_imdisable && KeyTyped && !KeyStuffed |
| # ifdef FEAT_XIM |
| && xic != NULL |
| # endif |
| # ifdef FEAT_GUI |
| && (!gui.in_use || gui.in_focus) |
| # endif |
| ) |
| { |
| // Do save when IM is on, or IM is off and saved status is on. |
| if (vgetc_im_active) |
| *psave = B_IMODE_IM; |
| else if (*psave == B_IMODE_IM) |
| *psave = B_IMODE_NONE; |
| } |
| } |
| #endif |