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/* vi:set ts=8 sts=4 sw=4:
*
* 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"
void
ui_write(s, len)
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);
return;
}
#endif
#ifndef NO_CONSOLE
/* Don't output anything in silent mode ("ex -s") unless 'verbose' set */
if (!(silent_mode && p_verbose == 0))
{
#ifdef FEAT_MBYTE
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);
#ifdef FEAT_MBYTE
if (output_conv.vc_type != CONV_NONE)
vim_free(tofree);
#endif
}
#endif
}
#if defined(UNIX) || defined(VMS) || defined(PROTO) || defined(WIN3264)
/*
* 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(s, len)
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 funcion.
* 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(buf, maxlen, wtime, tb_change_cnt)
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_free(ta_str);
ta_str = NULL;
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 >= 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. */
(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)
ctrl_c_interrupts = FALSE;
}
#ifdef FEAT_GUI
if (gui.in_use)
{
if (gui_wait_for_chars(wtime) && !typebuf_changed(tb_change_cnt))
retval = read_from_input_buf(buf, (long)maxlen);
}
#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;
}
/*
* return non-zero if a character is available
*/
int
ui_char_avail()
{
#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(msec, ignoreinput)
long msec;
int ignoreinput;
{
#ifdef FEAT_GUI
if (gui.in_use && !ignoreinput)
gui_wait_for_chars(msec);
else
#endif
{
#if defined(FEAT_GUI_MACVIM)
/* MacVim tries to be conservative with flushing, but when Vim takes a
* nap it really must flush (else timed error messages might not appear
* etc.). Note that gui_mch_wait_for_chars() already does force a
* flush, so only do it here. */
if (gui.in_use)
gui_macvim_force_flush();
#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()
{
#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()
{
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()
{
int retval;
#ifdef FEAT_GUI
if (gui.in_use
# ifdef FEAT_GUI_MACVIM
/* Avoid using terminal dimensions for GUI window. MacVim
* autosaves the dimensions of the first window. */
|| gui.starting
# endif
)
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(mustset)
int mustset UNUSED; /* set by the user */
{
#ifdef FEAT_GUI
if (gui.in_use)
gui_set_shellsize(mustset,
# ifdef WIN3264
TRUE
# else
FALSE
# endif
, RESIZE_BOTH);
else
#endif
mch_set_shellsize();
}
/*
* Called when Rows and/or Columns changed. Adjust scroll region and mouse
* region.
*/
void
ui_new_shellsize()
{
if (full_screen && !exiting)
{
#ifdef FEAT_GUI
if (gui.in_use)
gui_new_shellsize();
else
#endif
mch_new_shellsize();
}
}
void
ui_breakcheck()
{
#ifdef FEAT_GUI
if (gui.in_use)
gui_mch_update();
else
#endif
mch_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.
*/
#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(can_use)
int can_use;
{
VimClipboard *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()
{
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(VIsual, curwin->w_cursor))
{
start = VIsual;
end = curwin->w_cursor;
#ifdef FEAT_MBYTE
if (has_mbyte)
end.col += (*mb_ptr2len)(ml_get_cursor()) - 1;
#endif
}
else
{
start = curwin->w_cursor;
end = VIsual;
}
if (!equalpos(clip_star.start, start)
|| !equalpos(clip_star.end, end)
|| clip_star.vmode != VIsual_mode)
{
clip_clear_selection();
clip_star.start = start;
clip_star.end = end;
clip_star.vmode = VIsual_mode;
clip_free_selection(&clip_star);
clip_own_selection(&clip_star);
clip_gen_set_selection(&clip_star);
}
}
}
void
clip_own_selection(cbd)
VimClipboard *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)
{
/* 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)
&& clip_isautosel()
&& hl_attr(HLF_V) != hl_attr(HLF_VNC))
redraw_curbuf_later(INVERTED_ALL);
}
}
#else
/* Only own the clibpard 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(cbd)
VimClipboard *cbd;
{
#ifdef FEAT_X11
int was_owned = cbd->owned;
#endif
int visual_selection = (cbd == &clip_star);
clip_free_selection(cbd);
cbd->owned = FALSE;
if (visual_selection)
clip_clear_selection();
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)
&& clip_isautosel()
&& hl_attr(HLF_V) != hl_attr(HLF_VNC))
{
update_curbuf(INVERTED_ALL);
setcursor();
cursor_on();
out_flush();
# ifdef FEAT_GUI
if (gui.in_use)
gui_update_cursor(TRUE, FALSE);
# endif
}
}
#endif
}
void
clip_copy_selection()
{
if (VIsual_active && (State & NORMAL) && clip_star.available)
{
if (clip_isautosel())
clip_update_selection();
clip_free_selection(&clip_star);
clip_own_selection(&clip_star);
if (clip_star.owned)
clip_get_selection(&clip_star);
clip_gen_set_selection(&clip_star);
}
}
/*
* Called when Visual mode is ended: update the selection.
*/
void
clip_auto_select()
{
if (clip_isautosel())
clip_copy_selection();
}
/*
* Return TRUE if automatic selection of Visual area is desired.
*/
int
clip_isautosel()
{
return (
#ifdef FEAT_GUI
gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) :
#endif
clip_autoselect);
}
/*
* Stuff for general mouse selection, without using Visual mode.
*/
static int clip_compare_pos __ARGS((int row1, int col1, int row2, int col2));
static void clip_invert_area __ARGS((int, int, int, int, int how));
static void clip_invert_rectangle __ARGS((int row, int col, int height, int width, int invert));
static void clip_get_word_boundaries __ARGS((VimClipboard *, int, int));
static int clip_get_line_end __ARGS((int));
static void clip_update_modeless_selection __ARGS((VimClipboard *, int, int,
int, int));
/* 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 and in the cmdline window.
*/
void
clip_modeless(button, is_click, is_drag)
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(row1, col1, row2, col2)
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(col, row, repeated_click)
int col;
int row;
int repeated_click;
{
VimClipboard *cb = &clip_star;
if (cb->state == SELECT_DONE)
clip_clear_selection();
row = check_row(row);
col = check_col(col);
#ifdef FEAT_MBYTE
col = mb_fix_col(col, row);
#endif
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;
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((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((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((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(button, col, row, repeated_click)
int button;
int col;
int row;
int_u repeated_click;
{
VimClipboard *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()
|| (
#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);
#ifdef FEAT_MBYTE
col = mb_fix_col(col, row);
#endif
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(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
{
#ifdef FEAT_MBYTE
if (has_mbyte && mb_lefthalve(row, col))
slen = 2;
#endif
clip_update_modeless_selection(cb, cb->origin_row,
cb->origin_start_col, row, col + slen);
}
}
else
{
#ifdef FEAT_MBYTE
if (has_mbyte
&& mb_lefthalve(cb->origin_row, cb->origin_start_col))
slen = 2;
#endif
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(row, col, len)
int row, 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(row, start, row, end, 0);
}
}
# endif
/*
* Called from outside to clear selected region from the display
*/
void
clip_clear_selection()
{
VimClipboard *cb = &clip_star;
if (cb->state == SELECT_CLEARED)
return;
clip_invert_area((int)cb->start.lnum, cb->start.col, (int)cb->end.lnum,
cb->end.col, CLIP_CLEAR);
cb->state = SELECT_CLEARED;
}
/*
* Clear the selection if any lines from "row1" to "row2" are inside of it.
*/
void
clip_may_clear_selection(row1, row2)
int row1, row2;
{
if (clip_star.state == SELECT_DONE
&& row2 >= clip_star.start.lnum
&& row1 <= clip_star.end.lnum)
clip_clear_selection();
}
/*
* 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(rows)
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(row1, col1, row2, col2, how)
int row1;
int col1;
int row2;
int col2;
int how;
{
int invert = FALSE;
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(row1, col1, 1, col2 - col1, invert);
}
else
{
/* Handle a piece of the first line */
if (col1 > 0)
{
clip_invert_rectangle(row1, col1, 1, (int)Columns - col1, invert);
row1++;
}
/* Handle a piece of the last line */
if (col2 < Columns - 1)
{
clip_invert_rectangle(row2, 0, 1, col2, invert);
row2--;
}
/* Handle the rectangle thats left */
if (row2 >= row1)
clip_invert_rectangle(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(row, col, height, width, invert)
int row;
int col;
int height;
int width;
int invert;
{
#ifdef FEAT_GUI
if (gui.in_use)
# ifdef FEAT_GUI_MACVIM
gui_mch_invert_rectangle(row, col, height, width, invert);
# else
gui_mch_invert_rectangle(row, col, height, width);
#endif
else
#endif
screen_draw_rectangle(row, col, height, width, invert);
}
/*
* 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(both)
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;
#ifdef FEAT_MBYTE
char_u *p;
#endif
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_MBYTE
/* 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;
#endif
/* Create a temporary buffer for storing the text */
len = (row2 - row1 + 1) * Columns + 1;
#ifdef FEAT_MBYTE
if (enc_dbcs != 0)
len *= 2; /* max. 2 bytes per display cell */
else if (enc_utf8)
len *= MB_MAXBYTES;
#endif
buffer = lalloc((long_u)len, TRUE);
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
start_col = 0;
if (row == row2)
end_col = col2;
else
end_col = Columns;
line_end_col = clip_get_line_end(row);
/* See if we need to nuke some trailing whitespace */
if (end_col >= Columns && (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;
if (row < screen_Rows && end_col <= screen_Columns)
{
#ifdef FEAT_MBYTE
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
#endif
{
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(cb, row, col)
VimClipboard *cb;
int row;
int col;
{
int start_class;
int temp_col;
char_u *p;
#ifdef FEAT_MBYTE
int mboff;
#endif
if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL)
return;
p = ScreenLines + LineOffset[row];
#ifdef FEAT_MBYTE
/* 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;
#endif
start_class = CHAR_CLASS(p[col]);
temp_col = col;
for ( ; temp_col > 0; temp_col--)
#ifdef FEAT_MBYTE
if (enc_dbcs != 0
&& (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0)
temp_col -= mboff;
else
#endif
if (CHAR_CLASS(p[temp_col - 1]) != start_class
#ifdef FEAT_MBYTE
&& !(enc_utf8 && p[temp_col - 1] == 0)
#endif
)
break;
cb->word_start_col = temp_col;
temp_col = col;
for ( ; temp_col < screen_Columns; temp_col++)
#ifdef FEAT_MBYTE
if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2)
++temp_col;
else
#endif
if (CHAR_CLASS(p[temp_col]) != start_class
#ifdef FEAT_MBYTE
&& !(enc_utf8 && p[temp_col] == 0)
#endif
)
break;
cb->word_end_col = temp_col;
}
/*
* Find the column position for the last non-whitespace character on the given
* line.
*/
static int
clip_get_line_end(row)
int row;
{
int i;
if (row >= screen_Rows || ScreenLines == NULL)
return 0;
for (i = screen_Columns; 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(cb, row1, col1, row2, col2)
VimClipboard *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(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((int)cb->end.lnum, cb->end.col, row2, col2,
CLIP_TOGGLE);
cb->end.lnum = row2;
cb->end.col = col2;
}
}
int
clip_gen_own_selection(cbd)
VimClipboard *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(cbd)
VimClipboard *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(cbd)
VimClipboard *cbd;
{
#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(cbd)
VimClipboard *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
}
#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_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \
|| defined(FEAT_CLIENTSERVER)
/*
* Sun WorkShop and NetBeans stuff 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()
{
return (inbufcount >= INBUFLEN);
}
int
vim_is_input_buf_empty()
{
return (inbufcount == 0);
}
#if defined(FEAT_OLE) || defined(PROTO)
int
vim_free_in_input_buf()
{
return (INBUFLEN - inbufcount);
}
#endif
#if defined(FEAT_GUI_GTK) || defined(PROTO)
int
vim_used_in_input_buf()
{
return inbufcount;
}
#endif
#if defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) || defined(PROTO)
/*
* 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()
{
garray_T *gap;
/* We use a growarray to store the data pointer and the length. */
gap = (garray_T *)alloc((unsigned)sizeof(garray_T));
if (gap != NULL)
{
/* Add one to avoid a zero size. */
gap->ga_data = alloc((unsigned)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(p)
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);
}
}
#endif
#if defined(FEAT_GUI) \
|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE) \
|| defined(FEAT_XCLIPBOARD) || defined(VMS) \
|| defined(FEAT_SNIFF) || defined(FEAT_CLIENTSERVER) \
|| 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(s, len)
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++;
}
#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_HANGULIN) || defined(PROTO)
void
push_raw_key(s, len)
char_u *s;
int len;
{
while (len--)
inbuf[inbufcount++] = *s++;
}
#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()
{
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(buf, maxlen)
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(exit_on_error)
int exit_on_error UNUSED;
{
#if defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X_UNIX)
int len;
int try;
static int did_read_something = FALSE;
# ifdef FEAT_MBYTE
static char_u *rest = NULL; /* unconverted rest of previous read */
static int restlen = 0;
int unconverted;
# endif
#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(OS2) || defined(VMS) || 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.
*/
# 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
# ifdef FEAT_SNIFF
if (sniff_request_waiting)
{
add_to_input_buf((char_u *)"\233sniff",6); /* results in K_SNIFF */
sniff_request_waiting = 0;
want_sniff_request = 0;
return;
}
# endif
# ifdef FEAT_MBYTE
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_free(rest);
rest = NULL;
}
else
{
restlen -= unconverted;
mch_memmove(rest, rest + unconverted, restlen);
}
inbufcount += unconverted;
}
else
unconverted = 0;
#endif
len = 0; /* to avoid gcc warning */
for (try = 0; try < 100; ++try)
{
# ifdef VMS
len = vms_read(
# else
len = read(read_cmd_fd,
# endif
(char *)inbuf + inbufcount, (size_t)((INBUFLEN - inbufcount)
# ifdef FEAT_MBYTE
/ input_conv.vc_factor
# endif
));
# if 0
) /* avoid syntax highlight error */
# 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);
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
{
# ifdef FEAT_MBYTE
/*
* 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);
}
# endif
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 OS2 or VMS*/
}
#endif /* defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) */
/*
* Exit because of an input read error.
*/
void
read_error_exit()
{
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()
{
# ifdef FEAT_GUI
if (gui.in_use)
gui_update_cursor_later();
else
# endif
term_cursor_shape();
# ifdef MCH_CURSOR_SHAPE
mch_update_cursor();
# endif
# ifdef FEAT_CONCEAL
conceal_check_cursur_line();
# endif
}
#endif
#if defined(FEAT_CLIPBOARD) || defined(FEAT_GUI) || defined(FEAT_RIGHTLEFT) \
|| defined(FEAT_MBYTE) || defined(PROTO)
/*
* Check bounds for column number
*/
int
check_col(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(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.
*/
#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()
{
if (app_context == NULL)
{
XtToolkitInitialize();
app_context = XtCreateApplicationContext();
}
}
static Atom vim_atom; /* Vim's own special selection format */
#ifdef FEAT_MBYTE
static Atom vimenc_atom; /* Vim's extended selection format */
#endif
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(dpy)
Display *dpy;
{
vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False);
#ifdef FEAT_MBYTE
vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False);
#endif
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 __ARGS((Widget, Atom *, Atom *, Atom *, XtPointer *, long_u *, int *));
static void clip_x11_lose_ownership_cb __ARGS((Widget, Atom *));
static void clip_x11_timestamp_cb __ARGS((Widget w, XtPointer n, XEvent *event, Boolean *cont));
static void clip_x11_request_selection_cb __ARGS((Widget, XtPointer, Atom *, Atom *, XtPointer, long_u *, int *));
/*
* Property callback to get a timestamp for XtOwnSelection.
*/
static void
clip_x11_timestamp_cb(w, n, event, cont)
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,
NULL) == 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(w)
Widget w;
{
XtAddEventHandler(w, PropertyChangeMask, False,
/*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
}
static void
clip_x11_request_selection_cb(w, success, sel_atom, type, value, length,
format)
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;
VimClipboard *cbd;
#ifdef FEAT_MBYTE
char_u *tmpbuf = NULL;
#endif
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--;
}
#ifdef FEAT_MBYTE
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);
}
}
#endif
else if (*type == compound_text_atom || (
#ifdef FEAT_MBYTE
enc_dbcs != 0 &&
#endif
*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;
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);
#ifdef FEAT_MBYTE
vim_free(tmpbuf);
#endif
XtFree((char *)value);
*(int *)success = TRUE;
}
void
clip_x11_request_selection(myShell, dpy, cbd)
Widget myShell;
Display *dpy;
VimClipboard *cbd;
{
XEvent event;
Atom type;
static int success;
int i;
time_t start_time;
int timed_out = FALSE;
for (i =
#ifdef FEAT_MBYTE
0
#else
1
#endif
; i < 5; i++)
{
switch (i)
{
#ifdef FEAT_MBYTE
case 0: type = vimenc_atom; break;
#endif
case 1: type = vim_atom; break;
case 2: type = compound_text_atom; break;
case 3: type = text_atom; break;
default: type = XA_STRING;
}
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, SelectionNotify, &event)
|| XCheckTypedEvent(dpy, SelectionRequest, &event)
|| XCheckTypedEvent(dpy, PropertyNotify, &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(w, sel_atom, target, type, value, length, format)
Widget w UNUSED;
Atom *sel_atom;
Atom *target;
Atom *type;
XtPointer *value;
long_u *length;
int *format;
{
char_u *string;
char_u *result;
int motion_type;
VimClipboard *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)
{
Atom *array;
if ((array = (Atom *)XtMalloc((unsigned)(sizeof(Atom) * 6))) == NULL)
return False;
*value = (XtPointer)array;
i = 0;
array[i++] = XA_STRING;
array[i++] = targets_atom;
#ifdef FEAT_MBYTE
array[i++] = vimenc_atom;
#endif
array[i++] = vim_atom;
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
#ifdef FEAT_MBYTE
&& *target != vimenc_atom
#endif
&& *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)++;
#ifdef FEAT_MBYTE
/* Our own format with encoding: motion 'encoding' NUL text */
if (*target == vimenc_atom)
*length += STRLEN(p_enc) + 2;
#endif
*value = XtMalloc((Cardinal)*length);
result = (char_u *)*value;
if (result == NULL)
{
vim_free(string);
return False;
}
if (*target == XA_STRING)
{
mch_memmove(result, string, (size_t)(*length));
*type = XA_STRING;
}
else if (*target == compound_text_atom
|| *target == text_atom)
{
XTextProperty text_prop;
char *string_nt = (char *)alloc((unsigned)*length + 1);
/* create NUL terminated string which XmbTextListToTextProperty wants */
mch_memmove(string_nt, string, (size_t)*length);
string_nt[*length] = NUL;
XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt, 1,
XCompoundTextStyle, &text_prop);
vim_free(string_nt);
XtFree(*value); /* replace with COMPOUND text */
*value = (XtPointer)(text_prop.value); /* from plain text */
*length = text_prop.nitems;
*type = compound_text_atom;
}
#ifdef FEAT_MBYTE
else if (*target == vimenc_atom)
{
int l = STRLEN(p_enc);
result[0] = motion_type;
STRCPY(result + 1, p_enc);
mch_memmove(result + l + 2, string, (size_t)(*length - l - 2));
*type = vimenc_atom;
}
#endif
else
{
result[0] = motion_type;
mch_memmove(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(w, sel_atom)
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(myShell, cbd)
Widget myShell;
VimClipboard *cbd;
{
XtDisownSelection(myShell, cbd->sel_atom, CurrentTime);
}
int
clip_x11_own_selection(myShell, cbd)
Widget myShell;
VimClipboard *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,
NULL) == 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(cbd)
VimClipboard *cbd UNUSED;
{
}
#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(dpy, cbd)
Display *dpy;
VimClipboard *cbd;
{
int nbytes = 0;
char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0);
if (nbytes > 0)
{
#ifdef FEAT_MBYTE
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 */
#endif
clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
XFree((void *)buffer);
if (p_verbose > 0)
{
verbose_enter();
verb_msg((char_u *)_("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(flags, inclusive, which_button)
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 */
#ifdef FEAT_VERTSPLIT
static int on_sep_line = 0; /* on separator right of window */
#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;
}
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;
#ifdef FEAT_VERTSPLIT
if (on_sep_line)
return IN_SEP_LINE;
#endif
#ifdef FEAT_VISUAL
if (flags & MOUSE_MAY_STOP_VIS)
{
end_visual_mode();
redraw_curbuf_later(INVERTED); /* delete the inversion */
}
#endif
#if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD)
/* Continue a modeless selection in another window. */
if (cmdwin_type != 0 && row < W_WINROW(curwin))
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;
#ifdef FEAT_WINDOWS
/* find the window where the row is in */
wp = mouse_find_win(&row, &col);
#else
wp = firstwin;
#endif
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;
#ifdef FEAT_VERTSPLIT
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;
}
#endif
#ifdef FEAT_VISUAL
/* 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
# ifdef FEAT_VERTSPLIT
&& !on_sep_line
# endif
# ifdef FEAT_FOLDING
&& (
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? col < W_WIDTH(wp) - 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 */
}
#endif
#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. */
# ifdef FEAT_VERTSPLIT
on_sep_line = 0;
# endif
# 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
#ifdef FEAT_WINDOWS
/* 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
#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;
}
#ifdef FEAT_VERTSPLIT
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;
}
#endif
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)
{
#ifdef FEAT_WINDOWS
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;
}
#endif
return IN_STATUS_LINE; /* Cursor didn't move */
}
#ifdef FEAT_VERTSPLIT
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 */
}
#endif
else /* keep_window_focus must be TRUE */
{
#ifdef FEAT_VISUAL
/* 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 */
}
#endif
#if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD)
/* Continue a modeless selection in another window. */
if (cmdwin_type != 0 && row < W_WINROW(curwin))
return IN_OTHER_WIN;
#endif
row -= W_WINROW(curwin);
#ifdef FEAT_VERTSPLIT
col -= W_WINCOL(curwin);
#endif
/*
* 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
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 < W_WIDTH(curwin) - 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;
#ifdef FEAT_VISUAL
/* 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 */
}
#endif
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;
}
/*
* 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, rowp, colp, lnump)
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 = W_WIDTH(win) - 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 * (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)
{
#ifdef FEAT_NETBEANS_INTG
netbeans_gutter_click(lnum);
#endif
col = 0;
}
*colp = col;
*rowp = row;
*lnump = lnum;
return retval;
}
#if defined(FEAT_WINDOWS) || defined(PROTO)
/*
* 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(rowp, colp)
int *rowp;
int *colp UNUSED;
{
frame_T *fp;
fp = topframe;
*rowp -= firstwin->w_winrow;
for (;;)
{
if (fp->fr_layout == FR_LEAF)
break;
#ifdef FEAT_VERTSPLIT
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;
}
}
#endif
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;
}
#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(PROTO) \
|| defined(FEAT_GUI_MACVIM)
/*
* Translate window coordinates to buffer position without any side effects
*/
int
get_fpos_of_mouse(mpos)
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;
#ifdef FEAT_WINDOWS
/* find the window where the row is in */
wp = mouse_find_win(&row, &col);
#else
wp = firstwin;
#endif
/*
* winpos and height may change in win_enter()!
*/
if (row >= wp->w_height) /* In (or below) status line */
return IN_STATUS_LINE;
#ifdef FEAT_VERTSPLIT
if (col >= wp->w_width) /* In vertical separator line */
return IN_SEP_LINE;
#endif
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;
#ifdef FEAT_VIRTUALEDIT
mpos->coladd = 0;
#endif
return IN_BUFFER;
}
/*
* Convert a virtual (screen) column to a character column.
* The first column is one.
*/
int
vcol2col(wp, lnum, vcol)
win_T *wp;
linenr_T lnum;
int vcol;
{
/* try to advance to the specified column */
int count = 0;
char_u *ptr;
char_u *start;
start = ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
while (count <= vcol && *ptr != NUL)
{
count += win_lbr_chartabsize(wp, ptr, count, NULL);
mb_ptr_adv(ptr);
}
return (int)(ptr - start);
}
#endif
#endif /* FEAT_MOUSE */
#if defined(FEAT_GUI) || defined(WIN3264) || 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(in_focus)
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);
}
#ifdef FEAT_AUTOCMD
/*
* Fire the focus gained/lost autocommand.
*/
need_redraw |= apply_autocmds(in_focus ? EVENT_FOCUSGAINED
: EVENT_FOCUSLOST, NULL, NULL, FALSE, curbuf);
#endif
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();
# ifdef FEAT_GUI
if (gui.in_use)
{
gui_update_cursor(FALSE, TRUE);
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(USE_IM_CONTROL) || defined(PROTO)
/*
* Save current Input Method status to specified place.
*/
void
im_save_status(psave)
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
# if defined(FEAT_XIM) && !defined(FEAT_GUI_MACVIM)
&& 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
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