Mercurial > vim
view src/ui.c @ 17317:54815f69e8c4
Added tag v8.1.1657 for changeset 8813e1626e0a2f2084190fd9c7226039341d76aa
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 09 Jul 2019 23:30:06 +0200 |
parents | 09fa437d33d8 |
children | 74b6674b99fd |
line wrap: on
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/* 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(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; # ifdef FEAT_JOB_CHANNEL if ((due_time < 0 || due_time > 10L) # ifdef FEAT_GUI && !gui.in_use # endif && (has_pending_job() || channel_any_readahead())) { // There is a pending job or channel, should return soon in order // to handle them ASAP. Do check for input briefly. due_time = 10L; brief_wait = TRUE; } # 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_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) { # 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) /* * 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 = FALSE; 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 = FALSE; 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 them 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; 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_TEXT_PROP { 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)) { // 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) - 1 - wp->w_popup_border[1]; 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 (%u,%u)\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) { /* 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: (%u,%u) to (%u,%u)\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: (%u,%u) to (%u,%u)\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_TEXT_PROP max_col = cbd->max_col; #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 thats 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_TEXT_PROP // 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 + 1) width = cbd->max_col - col + 1; 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_TEXT_PROP 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_TEXT_PROP if (col1 < clip_star.min_col) col1 = clip_star.min_col; if (col2 > clip_star.max_col + 1) col2 = clip_star.max_col + 1; 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_TEXT_PROP start_col = clip_star.min_col; #else start_col = 0; #endif if (row == row2) end_col = col2; else #ifdef FEAT_TEXT_PROP end_col = clip_star.max_col + 1; #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_TEXT_PROP clip_star.max_col + 1 #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_TEXT_PROP cbd->max_col + 1; #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; } } 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 } 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 #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! */ #ifdef FEAT_HANGULIN if ((State & (INSERT|CMDLINE)) && hangul_input_state_get()) if ((len = hangul_input_process(s, len)) == 0) return; #endif 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); } } } #if defined(FEAT_HANGULIN) || defined(PROTO) void push_raw_key(char_u *s, int len) { char_u *tmpbuf; char_u *inp = s; /* use the conversion result if possible */ tmpbuf = hangul_string_convert(s, &len); if (tmpbuf != NULL) inp = tmpbuf; for (; len--; inp++) { inbuf[inbufcount++] = *inp; if (*inp == CSI) { /* Turn CSI into K_CSI. */ inbuf[inbufcount++] = KS_EXTRA; inbuf[inbufcount++] = (int)KE_CSI; } } vim_free(tmpbuf); } #endif /* 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 */ if (inbuf[inbufcount] == 3 && ctrl_c_interrupts) { /* remove everything typed before the CTRL-C */ mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1)); inbufcount = 0; got_int = TRUE; } ++inbufcount; } } #endif /* UNIX or VMS*/ } #endif /* defined(UNIX) || defined(FEAT_GUI) || defined(VMS) */ /* * 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) 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_MOUSE) || defined(PROTO) /* * Move the cursor to the specified row and column on the screen. * Change current window if necessary. Returns an integer with the * CURSOR_MOVED bit set if the cursor has moved or unset otherwise. * * The MOUSE_FOLD_CLOSE bit is set when clicked on the '-' in a fold column. * The MOUSE_FOLD_OPEN bit is set when clicked on the '+' in a fold column. * * If flags has MOUSE_FOCUS, then the current window will not be changed, and * if the mouse is outside the window then the text will scroll, or if the * mouse was previously on a status line, then the status line may be dragged. * * If flags has MOUSE_MAY_VIS, then VIsual mode will be started before the * cursor is moved unless the cursor was on a status line. * This function returns one of IN_UNKNOWN, IN_BUFFER, IN_STATUS_LINE or * IN_SEP_LINE depending on where the cursor was clicked. * * If flags has MOUSE_MAY_STOP_VIS, then Visual mode will be stopped, unless * the mouse is on the status line of the same window. * * If flags has MOUSE_DID_MOVE, nothing is done if the mouse didn't move since * the last call. * * If flags has MOUSE_SETPOS, nothing is done, only the current position is * remembered. */ int jump_to_mouse( int flags, int *inclusive, /* used for inclusive operator, can be NULL */ int which_button) /* MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE */ { static int on_status_line = 0; /* #lines below bottom of window */ static int on_sep_line = 0; /* on separator right of window */ #ifdef FEAT_MENU static int in_winbar = FALSE; #endif #ifdef FEAT_TEXT_PROP static int in_popup_win = FALSE; static win_T *click_in_popup_win = NULL; #endif static int prev_row = -1; static int prev_col = -1; static win_T *dragwin = NULL; /* window being dragged */ static int did_drag = FALSE; /* drag was noticed */ win_T *wp, *old_curwin; pos_T old_cursor; int count; int first; int row = mouse_row; int col = mouse_col; #ifdef FEAT_FOLDING int mouse_char; #endif mouse_past_bottom = FALSE; mouse_past_eol = FALSE; if (flags & MOUSE_RELEASED) { /* On button release we may change window focus if positioned on a * status line and no dragging happened. */ if (dragwin != NULL && !did_drag) flags &= ~(MOUSE_FOCUS | MOUSE_DID_MOVE); dragwin = NULL; did_drag = FALSE; #ifdef FEAT_TEXT_PROP if (click_in_popup_win != NULL && popup_dragwin == NULL) popup_close_for_mouse_click(click_in_popup_win); popup_dragwin = NULL; click_in_popup_win = NULL; #endif } if ((flags & MOUSE_DID_MOVE) && prev_row == mouse_row && prev_col == mouse_col) { retnomove: /* before moving the cursor for a left click which is NOT in a status * line, stop Visual mode */ if (on_status_line) return IN_STATUS_LINE; if (on_sep_line) return IN_SEP_LINE; #ifdef FEAT_MENU if (in_winbar) { /* A quick second click may arrive as a double-click, but we use it * as a second click in the WinBar. */ if ((mod_mask & MOD_MASK_MULTI_CLICK) && !(flags & MOUSE_RELEASED)) { wp = mouse_find_win(&row, &col, FAIL_POPUP); if (wp == NULL) return IN_UNKNOWN; winbar_click(wp, col); } return IN_OTHER_WIN | MOUSE_WINBAR; } #endif if (flags & MOUSE_MAY_STOP_VIS) { end_visual_mode(); redraw_curbuf_later(INVERTED); /* delete the inversion */ } #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD) // Continue a modeless selection in another window. if (cmdwin_type != 0 && row < curwin->w_winrow) return IN_OTHER_WIN; #endif #ifdef FEAT_TEXT_PROP // Continue a modeless selection in a popup window or dragging it. if (in_popup_win) { click_in_popup_win = NULL; // don't close it on release if (popup_dragwin != NULL) { // dragging a popup window popup_drag(popup_dragwin); return IN_UNKNOWN; } return IN_OTHER_WIN; } #endif return IN_BUFFER; } prev_row = mouse_row; prev_col = mouse_col; if (flags & MOUSE_SETPOS) goto retnomove; /* ugly goto... */ #ifdef FEAT_FOLDING /* Remember the character under the mouse, it might be a '-' or '+' in the * fold column. */ if (row >= 0 && row < Rows && col >= 0 && col <= Columns && ScreenLines != NULL) mouse_char = ScreenLines[LineOffset[row] + col]; else mouse_char = ' '; #endif old_curwin = curwin; old_cursor = curwin->w_cursor; if (!(flags & MOUSE_FOCUS)) { if (row < 0 || col < 0) // check if it makes sense return IN_UNKNOWN; // find the window where the row is in wp = mouse_find_win(&row, &col, FIND_POPUP); if (wp == NULL) return IN_UNKNOWN; dragwin = NULL; #ifdef FEAT_TEXT_PROP // Click in a popup window may start dragging or modeless selection, // but not much else. if (WIN_IS_POPUP(wp)) { on_sep_line = 0; in_popup_win = TRUE; if (wp->w_popup_close == POPCLOSE_BUTTON && which_button == MOUSE_LEFT && popup_on_X_button(wp, row, col)) { popup_close_for_mouse_click(wp); return IN_UNKNOWN; } else if (wp->w_popup_drag && popup_on_border(wp, row, col)) { popup_dragwin = wp; popup_start_drag(wp); return IN_UNKNOWN; } // Only close on release, otherwise it's not possible to drag or do // modeless selection. else if (wp->w_popup_close == POPCLOSE_CLICK && which_button == MOUSE_LEFT) { click_in_popup_win = wp; } else if (which_button == MOUSE_LEFT) // If the click is in the scrollbar, may scroll up/down. popup_handle_scrollbar_click(wp, row, col); # ifdef FEAT_CLIPBOARD return IN_OTHER_WIN; # else return IN_UNKNOWN; # endif } in_popup_win = FALSE; popup_dragwin = NULL; #endif #ifdef FEAT_MENU if (row == -1) { /* A click in the window toolbar does not enter another window or * change Visual highlighting. */ winbar_click(wp, col); in_winbar = TRUE; return IN_OTHER_WIN | MOUSE_WINBAR; } in_winbar = FALSE; #endif /* * winpos and height may change in win_enter()! */ if (row >= wp->w_height) /* In (or below) status line */ { on_status_line = row - wp->w_height + 1; dragwin = wp; } else on_status_line = 0; if (col >= wp->w_width) /* In separator line */ { on_sep_line = col - wp->w_width + 1; dragwin = wp; } else on_sep_line = 0; /* The rightmost character of the status line might be a vertical * separator character if there is no connecting window to the right. */ if (on_status_line && on_sep_line) { if (stl_connected(wp)) on_sep_line = 0; else on_status_line = 0; } /* Before jumping to another buffer, or moving the cursor for a left * click, stop Visual mode. */ if (VIsual_active && (wp->w_buffer != curwin->w_buffer || (!on_status_line && !on_sep_line #ifdef FEAT_FOLDING && ( # ifdef FEAT_RIGHTLEFT wp->w_p_rl ? col < wp->w_width - wp->w_p_fdc : # endif col >= wp->w_p_fdc # ifdef FEAT_CMDWIN + (cmdwin_type == 0 && wp == curwin ? 0 : 1) # endif ) #endif && (flags & MOUSE_MAY_STOP_VIS)))) { end_visual_mode(); redraw_curbuf_later(INVERTED); /* delete the inversion */ } #ifdef FEAT_CMDWIN if (cmdwin_type != 0 && wp != curwin) { /* A click outside the command-line window: Use modeless * selection if possible. Allow dragging the status lines. */ on_sep_line = 0; # ifdef FEAT_CLIPBOARD if (on_status_line) return IN_STATUS_LINE; return IN_OTHER_WIN; # else row = 0; col += wp->w_wincol; wp = curwin; # endif } #endif /* Only change window focus when not clicking on or dragging the * status line. Do change focus when releasing the mouse button * (MOUSE_FOCUS was set above if we dragged first). */ if (dragwin == NULL || (flags & MOUSE_RELEASED)) win_enter(wp, TRUE); /* can make wp invalid! */ if (curwin != old_curwin) { #ifdef CHECK_DOUBLE_CLICK /* set topline, to be able to check for double click ourselves */ set_mouse_topline(curwin); #endif #ifdef FEAT_TERMINAL /* when entering a terminal window may change state */ term_win_entered(); #endif } if (on_status_line) /* In (or below) status line */ { /* Don't use start_arrow() if we're in the same window */ if (curwin == old_curwin) return IN_STATUS_LINE; else return IN_STATUS_LINE | CURSOR_MOVED; } if (on_sep_line) /* In (or below) status line */ { /* Don't use start_arrow() if we're in the same window */ if (curwin == old_curwin) return IN_SEP_LINE; else return IN_SEP_LINE | CURSOR_MOVED; } curwin->w_cursor.lnum = curwin->w_topline; #ifdef FEAT_GUI /* remember topline, needed for double click */ gui_prev_topline = curwin->w_topline; # ifdef FEAT_DIFF gui_prev_topfill = curwin->w_topfill; # endif #endif } else if (on_status_line && which_button == MOUSE_LEFT) { if (dragwin != NULL) { /* Drag the status line */ count = row - dragwin->w_winrow - dragwin->w_height + 1 - on_status_line; win_drag_status_line(dragwin, count); did_drag |= count; } return IN_STATUS_LINE; /* Cursor didn't move */ } else if (on_sep_line && which_button == MOUSE_LEFT) { if (dragwin != NULL) { /* Drag the separator column */ count = col - dragwin->w_wincol - dragwin->w_width + 1 - on_sep_line; win_drag_vsep_line(dragwin, count); did_drag |= count; } return IN_SEP_LINE; /* Cursor didn't move */ } #ifdef FEAT_MENU else if (in_winbar) { /* After a click on the window toolbar don't start Visual mode. */ return IN_OTHER_WIN | MOUSE_WINBAR; } #endif else /* keep_window_focus must be TRUE */ { /* before moving the cursor for a left click, stop Visual mode */ if (flags & MOUSE_MAY_STOP_VIS) { end_visual_mode(); redraw_curbuf_later(INVERTED); /* delete the inversion */ } #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD) /* Continue a modeless selection in another window. */ if (cmdwin_type != 0 && row < curwin->w_winrow) return IN_OTHER_WIN; #endif #ifdef FEAT_TEXT_PROP if (in_popup_win) { if (popup_dragwin != NULL) { // dragging a popup window popup_drag(popup_dragwin); return IN_UNKNOWN; } // continue a modeless selection in a popup window click_in_popup_win = NULL; return IN_OTHER_WIN; } #endif row -= W_WINROW(curwin); col -= curwin->w_wincol; /* * When clicking beyond the end of the window, scroll the screen. * Scroll by however many rows outside the window we are. */ if (row < 0) { count = 0; for (first = TRUE; curwin->w_topline > 1; ) { #ifdef FEAT_DIFF if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) ++count; else #endif count += plines(curwin->w_topline - 1); if (!first && count > -row) break; first = FALSE; #ifdef FEAT_FOLDING (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); #endif #ifdef FEAT_DIFF if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) ++curwin->w_topfill; else #endif { --curwin->w_topline; #ifdef FEAT_DIFF curwin->w_topfill = 0; #endif } } #ifdef FEAT_DIFF check_topfill(curwin, FALSE); #endif curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); redraw_later(VALID); row = 0; } else if (row >= curwin->w_height) { count = 0; for (first = TRUE; curwin->w_topline < curbuf->b_ml.ml_line_count; ) { #ifdef FEAT_DIFF if (curwin->w_topfill > 0) ++count; else #endif count += plines(curwin->w_topline); if (!first && count > row - curwin->w_height + 1) break; first = FALSE; #ifdef FEAT_FOLDING if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline) && curwin->w_topline == curbuf->b_ml.ml_line_count) break; #endif #ifdef FEAT_DIFF if (curwin->w_topfill > 0) --curwin->w_topfill; else #endif { ++curwin->w_topline; #ifdef FEAT_DIFF curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); #endif } } #ifdef FEAT_DIFF check_topfill(curwin, FALSE); #endif redraw_later(VALID); curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); row = curwin->w_height - 1; } else if (row == 0) { /* When dragging the mouse, while the text has been scrolled up as * far as it goes, moving the mouse in the top line should scroll * the text down (done later when recomputing w_topline). */ if (mouse_dragging > 0 && curwin->w_cursor.lnum == curwin->w_buffer->b_ml.ml_line_count && curwin->w_cursor.lnum == curwin->w_topline) curwin->w_valid &= ~(VALID_TOPLINE); } } #ifdef FEAT_FOLDING /* Check for position outside of the fold column. */ if ( # ifdef FEAT_RIGHTLEFT curwin->w_p_rl ? col < curwin->w_width - curwin->w_p_fdc : # endif col >= curwin->w_p_fdc # ifdef FEAT_CMDWIN + (cmdwin_type == 0 ? 0 : 1) # endif ) mouse_char = ' '; #endif /* compute the position in the buffer line from the posn on the screen */ if (mouse_comp_pos(curwin, &row, &col, &curwin->w_cursor.lnum)) mouse_past_bottom = TRUE; /* Start Visual mode before coladvance(), for when 'sel' != "old" */ if ((flags & MOUSE_MAY_VIS) && !VIsual_active) { check_visual_highlight(); VIsual = old_cursor; VIsual_active = TRUE; VIsual_reselect = TRUE; /* if 'selectmode' contains "mouse", start Select mode */ may_start_select('o'); setmouse(); if (p_smd && msg_silent == 0) redraw_cmdline = TRUE; /* show visual mode later */ } curwin->w_curswant = col; curwin->w_set_curswant = FALSE; /* May still have been TRUE */ if (coladvance(col) == FAIL) /* Mouse click beyond end of line */ { if (inclusive != NULL) *inclusive = TRUE; mouse_past_eol = TRUE; } else if (inclusive != NULL) *inclusive = FALSE; count = IN_BUFFER; if (curwin != old_curwin || curwin->w_cursor.lnum != old_cursor.lnum || curwin->w_cursor.col != old_cursor.col) count |= CURSOR_MOVED; /* Cursor has moved */ # ifdef FEAT_FOLDING if (mouse_char == '+') count |= MOUSE_FOLD_OPEN; else if (mouse_char != ' ') count |= MOUSE_FOLD_CLOSE; # endif return count; } #endif // Functions also used for popup windows. #if defined(FEAT_MOUSE) || defined(FEAT_TEXT_PROP) || defined(PROTO) /* * Compute the position in the buffer line from the posn on the screen in * window "win". * Returns TRUE if the position is below the last line. */ int mouse_comp_pos( win_T *win, int *rowp, int *colp, linenr_T *lnump) { int col = *colp; int row = *rowp; linenr_T lnum; int retval = FALSE; int off; int count; #ifdef FEAT_RIGHTLEFT if (win->w_p_rl) col = win->w_width - 1 - col; #endif lnum = win->w_topline; while (row > 0) { #ifdef FEAT_DIFF /* Don't include filler lines in "count" */ if (win->w_p_diff # ifdef FEAT_FOLDING && !hasFoldingWin(win, lnum, NULL, NULL, TRUE, NULL) # endif ) { if (lnum == win->w_topline) row -= win->w_topfill; else row -= diff_check_fill(win, lnum); count = plines_win_nofill(win, lnum, TRUE); } else #endif count = plines_win(win, lnum, TRUE); if (count > row) break; /* Position is in this buffer line. */ #ifdef FEAT_FOLDING (void)hasFoldingWin(win, lnum, NULL, &lnum, TRUE, NULL); #endif if (lnum == win->w_buffer->b_ml.ml_line_count) { retval = TRUE; break; /* past end of file */ } row -= count; ++lnum; } if (!retval) { /* Compute the column without wrapping. */ off = win_col_off(win) - win_col_off2(win); if (col < off) col = off; col += row * (win->w_width - off); /* add skip column (for long wrapping line) */ col += win->w_skipcol; } if (!win->w_p_wrap) col += win->w_leftcol; /* skip line number and fold column in front of the line */ col -= win_col_off(win); if (col < 0) { #ifdef FEAT_NETBEANS_INTG netbeans_gutter_click(lnum); #endif col = 0; } *colp = col; *rowp = row; *lnump = lnum; return retval; } /* * Find the window at screen position "*rowp" and "*colp". The positions are * updated to become relative to the top-left of the window. * When "popup" is FAIL_POPUP and the position is in a popup window then NULL * is returned. When "popup" is IGNORE_POPUP then do not even check popup * windows. * Returns NULL when something is wrong. */ win_T * mouse_find_win(int *rowp, int *colp, mouse_find_T popup UNUSED) { frame_T *fp; win_T *wp; #ifdef FEAT_TEXT_PROP win_T *pwp = NULL; if (popup != IGNORE_POPUP) { popup_reset_handled(); while ((wp = find_next_popup(TRUE)) != NULL) { if (*rowp >= wp->w_winrow && *rowp < wp->w_winrow + popup_height(wp) && *colp >= wp->w_wincol && *colp < wp->w_wincol + popup_width(wp)) pwp = wp; } if (pwp != NULL) { if (popup == FAIL_POPUP) return NULL; *rowp -= pwp->w_winrow; *colp -= pwp->w_wincol; return pwp; } } #endif fp = topframe; *rowp -= firstwin->w_winrow; for (;;) { if (fp->fr_layout == FR_LEAF) break; if (fp->fr_layout == FR_ROW) { for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) { if (*colp < fp->fr_width) break; *colp -= fp->fr_width; } } else /* fr_layout == FR_COL */ { for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) { if (*rowp < fp->fr_height) break; *rowp -= fp->fr_height; } } } /* When using a timer that closes a window the window might not actually * exist. */ FOR_ALL_WINDOWS(wp) if (wp == fp->fr_win) { #ifdef FEAT_MENU *rowp -= wp->w_winbar_height; #endif return wp; } return NULL; } #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MAC) \ || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \ || defined(FEAT_GUI_PHOTON) || defined(FEAT_TERM_POPUP_MENU) \ || defined(PROTO) /* * Translate window coordinates to buffer position without any side effects */ int get_fpos_of_mouse(pos_T *mpos) { win_T *wp; int row = mouse_row; int col = mouse_col; if (row < 0 || col < 0) /* check if it makes sense */ return IN_UNKNOWN; /* find the window where the row is in */ wp = mouse_find_win(&row, &col, FAIL_POPUP); if (wp == NULL) return IN_UNKNOWN; /* * winpos and height may change in win_enter()! */ if (row >= wp->w_height) /* In (or below) status line */ return IN_STATUS_LINE; if (col >= wp->w_width) /* In vertical separator line */ return IN_SEP_LINE; if (wp != curwin) return IN_UNKNOWN; /* compute the position in the buffer line from the posn on the screen */ if (mouse_comp_pos(curwin, &row, &col, &mpos->lnum)) return IN_STATUS_LINE; /* past bottom */ mpos->col = vcol2col(wp, mpos->lnum, col); if (mpos->col > 0) --mpos->col; mpos->coladd = 0; return IN_BUFFER; } #endif #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MAC) \ || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \ || defined(FEAT_GUI_PHOTON) || defined(FEAT_BEVAL) \ || defined(FEAT_TERM_POPUP_MENU) || defined(PROTO) /* * Convert a virtual (screen) column to a character column. * The first column is one. */ int vcol2col(win_T *wp, linenr_T lnum, int vcol) { /* try to advance to the specified column */ int count = 0; char_u *ptr; char_u *line; line = ptr = ml_get_buf(wp->w_buffer, lnum, FALSE); while (count < vcol && *ptr != NUL) { count += win_lbr_chartabsize(wp, line, ptr, count, NULL); MB_PTR_ADV(ptr); } return (int)(ptr - line); } #endif #endif /* FEAT_MOUSE */ #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