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Diffstat (limited to 'src/ui.c')
| -rw-r--r-- | src/ui.c | 963 |
1 files changed, 0 insertions, 963 deletions
diff --git a/src/ui.c b/src/ui.c deleted file mode 100644 index 4678416200..0000000000 --- a/src/ui.c +++ /dev/null @@ -1,963 +0,0 @@ -/* - * 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 <string.h> - -#include "vim.h" -#include "ui.h" -#include "diff.h" -#include "ex_cmds2.h" -#include "fold.h" -#include "main.h" -#include "mbyte.h" -#include "misc1.h" -#include "misc2.h" -#include "garray.h" -#include "memory.h" -#include "move.h" -#include "normal.h" -#include "option.h" -#include "os_unix.h" -#include "os/time.h" -#include "os/input.h" -#include "os/signal.h" -#include "screen.h" -#include "term.h" -#include "window.h" - -void ui_write(char_u *s, int len) -{ -#ifndef NO_CONSOLE - /* Don't output anything in silent mode ("ex -s") unless 'verbose' set */ - if (!(silent_mode && p_verbose == 0)) { - 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; - } - - mch_write(s, len); - - if (output_conv.vc_type != CONV_NONE) - free(tofree); - } -#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 (do_profiling == PROF_YES && wtime != 0) - prof_inchar_enter(); - -#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 = os_inchar(buf, maxlen, (wtime >= 0 && wtime < 10) - ? 10L : 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. */ - signal_accept_deadly(); - - /* ... 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) - ctrl_c_interrupts = FALSE; - } - -#ifndef NO_CONSOLE - { - retval = os_inchar(buf, maxlen, wtime, tb_change_cnt); - } -#endif - - if (wtime == -1 || wtime > 100L) - /* block SIGHUP et al. */ - signal_reject_deadly(); - - ctrl_c_interrupts = TRUE; - -#ifdef NO_CONSOLE_INPUT -theend: -#endif - if (do_profiling == PROF_YES && wtime != 0) - prof_inchar_exit(); - return retval; -} - -/* - * return non-zero if a character is available - */ -int ui_char_avail(void) -{ -#ifndef NO_CONSOLE -# ifdef NO_CONSOLE_INPUT - if (no_console_input()) - return 0; -# endif - return os_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) -{ - os_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) -{ - mch_suspend(); -} - -/* - * 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; - - 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) -{ - mch_set_shellsize(); -} - -void ui_breakcheck(void) -{ - os_breakcheck(); -} - -/***************************************************************************** - * 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. - */ - - -/***************************************************************************** - * 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. - */ -# define INBUFLEN 4096 - -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; -} - -/* - * 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 = (garray_T *)alloc((unsigned)sizeof(garray_T)); - /* Add one to avoid a zero size. */ - gap->ga_data = alloc((unsigned)inbufcount + 1); - if (gap->ga_data != NULL) - 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) { - memmove(inbuf, gap->ga_data, gap->ga_len); - inbufcount = gap->ga_len; - free(gap->ga_data); - } - free(gap); - } -} - -#if defined(FEAT_GUI) \ - || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE) \ - || defined(FEAT_XCLIPBOARD) || defined(PROTO) -/* - * 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! */ - - if ((State & (INSERT|CMDLINE)) && hangul_input_state_get()) - if ((len = hangul_input_process(s, len)) == 0) - return; - - while (len--) - inbuf[inbufcount++] = *s++; -} -#endif - -#if ((defined(FEAT_XIM) || defined(FEAT_DND)) && defined(FEAT_GUI_GTK)) \ - || defined(FEAT_GUI_MSWIN) \ - || defined(FEAT_GUI_MAC) \ - || (defined(FEAT_MBYTE) && defined(FEAT_MBYTE_IME)) \ - || (defined(FEAT_GUI) && (!defined(USE_ON_FLY_SCROLL) \ - || defined(FEAT_MENU))) \ - || defined(PROTO) -/* - * 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); - } - } -} - -#endif - -#if defined(FEAT_GUI) || defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) \ - || defined(PROTO) -/* Remove everything from the input buffer. Called when ^C is found */ -void trash_input_buf(void) -{ - inbufcount = 0; -} - -#endif - -/* - * Read as much data from the input buffer as possible up to maxlen, and store - * it in buf. - * Note: this function used to be Read() in unix.c - */ -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; - memmove(buf, inbuf, (size_t)maxlen); - inbufcount -= maxlen; - if (inbufcount) - memmove(inbuf, inbuf + maxlen, (size_t)inbufcount); - return (int)maxlen; -} - -void fill_input_buf(int exit_on_error) -{ -#if defined(UNIX) || defined(MACOS_X_UNIX) - int len; - int try; - static char_u *rest = NULL; /* unconverted rest of previous read */ - static int restlen = 0; - int unconverted; -#endif - -#if defined(UNIX) || defined(MACOS_X_UNIX) - 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. - */ - - - 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; - memmove(inbuf + inbufcount, rest, unconverted); - if (unconverted == restlen) { - free(rest); - rest = NULL; - } else { - restlen -= unconverted; - memmove(rest, rest + unconverted, restlen); - } - inbufcount += unconverted; - } else - unconverted = 0; - - len = 0; /* to avoid gcc warning */ - for (try = 0; try < 100; ++try) { - len = input_read( - (char *)inbuf + inbufcount, - (size_t)((INBUFLEN - inbufcount) / input_conv.vc_factor)); - - if (len > 0 || got_int) - break; - - if (!exit_on_error) - return; - } - - if (len <= 0 && !got_int) - read_error_exit(); - - 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 */ - memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1)); - inbufcount = 0; - got_int = TRUE; - } - ++inbufcount; - } - } -#endif /* UNIX */ -} -#endif /* defined(UNIX) || defined(FEAT_GUI) */ - -/* - * 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(); -} - -/* - * May update the shape of the cursor. - */ -void ui_cursor_shape(void) -{ - term_cursor_shape(); - - - conceal_check_cursur_line(); -} - -#if defined(FEAT_GUI) || defined(FEAT_RIGHTLEFT) \ - || defined(FEAT_MBYTE) || defined(PROTO) -/* - * 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; -} -#endif - -/* - * Stuff for the X clipboard. Shared between VMS and Unix. - */ - -/* - * 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 */ - 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; - int mouse_char; - - 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; - } - - 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; - if (flags & MOUSE_MAY_STOP_VIS) { - end_visual_mode(); - redraw_curbuf_later(INVERTED); /* delete the inversion */ - } - return IN_BUFFER; - } - - prev_row = mouse_row; - prev_col = mouse_col; - - if (flags & MOUSE_SETPOS) - goto retnomove; /* ugly goto... */ - - /* 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 = ' '; - - 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); - dragwin = NULL; - /* - * 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 - && ( - wp->w_p_rl ? col < W_WIDTH(wp) - wp->w_p_fdc : - col >= wp->w_p_fdc - + (cmdwin_type == 0 && wp == - curwin ? 0 : 1) - ) - && (flags & MOUSE_MAY_STOP_VIS)))) { - end_visual_mode(); - redraw_curbuf_later(INVERTED); /* delete the inversion */ - } - 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; - row = 0; - col += wp->w_wincol; - wp = curwin; - } - /* 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! */ -# ifdef CHECK_DOUBLE_CLICK - /* set topline, to be able to check for double click ourselves */ - if (curwin != old_curwin) - set_mouse_topline(curwin); -# 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; - } 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 */ - } 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 */ - } - - - row -= W_WINROW(curwin); - col -= W_WINCOL(curwin); - - /* - * 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; ) { - if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) - ++count; - else - count += plines(curwin->w_topline - 1); - if (!first && count > -row) - break; - first = FALSE; - hasFolding(curwin->w_topline, &curwin->w_topline, NULL); - if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) - ++curwin->w_topfill; - else { - --curwin->w_topline; - curwin->w_topfill = 0; - } - } - check_topfill(curwin, FALSE); - 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; ) { - if (curwin->w_topfill > 0) - ++count; - else - count += plines(curwin->w_topline); - if (!first && count > row - curwin->w_height + 1) - break; - first = FALSE; - if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline) - && curwin->w_topline == curbuf->b_ml.ml_line_count) - break; - if (curwin->w_topfill > 0) - --curwin->w_topfill; - else { - ++curwin->w_topline; - curwin->w_topfill = - diff_check_fill(curwin, curwin->w_topline); - } - } - check_topfill(curwin, FALSE); - 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); - } - } - - /* Check for position outside of the fold column. */ - if ( - curwin->w_p_rl ? col < W_WIDTH(curwin) - curwin->w_p_fdc : - col >= curwin->w_p_fdc - + (cmdwin_type == 0 ? 0 : 1) - ) - mouse_char = ' '; - - /* 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 */ - - if (mouse_char == '+') - count |= MOUSE_FOLD_OPEN; - else if (mouse_char != ' ') - count |= MOUSE_FOLD_CLOSE; - - return count; -} - -/* - * 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; - - if (win->w_p_rl) - col = W_WIDTH(win) - 1 - col; - - lnum = win->w_topline; - - while (row > 0) { - /* Don't include filler lines in "count" */ - if (win->w_p_diff - && !hasFoldingWin(win, lnum, NULL, NULL, TRUE, NULL) - ) { - if (lnum == win->w_topline) - row -= win->w_topfill; - else - row -= diff_check_fill(win, lnum); - count = plines_win_nofill(win, lnum, TRUE); - } else - count = plines_win(win, lnum, TRUE); - if (count > row) - break; /* Position is in this buffer line. */ - (void)hasFoldingWin(win, lnum, NULL, &lnum, TRUE, NULL); - 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 * (W_WIDTH(win) - 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) { - 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. - */ -win_T *mouse_find_win(int *rowp, int *colp) -{ - frame_T *fp; - - 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; - } - } - } - return fp->fr_win; -} - -#if defined(USE_IM_CONTROL) || 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 - ) { - /* 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 |