diff options
Diffstat (limited to 'src/nvim/ui.c')
| -rw-r--r-- | src/nvim/ui.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/src/nvim/ui.c b/src/nvim/ui.c index 67ed37e0b8..2268fb05d4 100644 --- a/src/nvim/ui.c +++ b/src/nvim/ui.c @@ -137,421 +137,6 @@ int check_row(int row) return row; } -/* - * 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, - bool *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; - bool 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 < wp->w_width - 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 -= curwin->w_winrow; - col -= curwin->w_wincol; - - /* - * When clicking beyond the end of the window, scroll the screen. - * Scroll by however many rows outside the window we are. - */ - if (row < 0) { - count = 0; - for (first = true; curwin->w_topline > 1; ) { - 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 < curwin->w_width - 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. - */ -bool mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump) -{ - int col = *colp; - int row = *rowp; - linenr_T lnum; - bool retval = false; - int off; - int count; - - if (win->w_p_rl) - col = win->w_width - 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 * (win->w_width - off); - /* add skip column (for long wrapping line) */ - col += win->w_skipcol; - } - - if (!win->w_p_wrap) - col += win->w_leftcol; - - /* skip line number and fold column in front of the line */ - col -= win_col_off(win); - if (col < 0) { - 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) /* |