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vim-patch:9.0.0886: horizontal mouse scroll only works in the GUI
Problem: Horizontal mouse scroll only works in the GUI.
Solution: Make horizontal mouse scroll also work in a terminal.
(Christopher Plewright, closes vim/vim#11448)
44c2209352
Co-authored-by: Christopher Plewright <chris@createng.com>
This commit is contained in:
zeertzjq
parent
b75659c8fb
commit
bd3c1c7579
203
src/nvim/mouse.c
203
src/nvim/mouse.c
@ -993,48 +993,35 @@ void ins_mouse(int c)
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redraw_statuslines();
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}
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/// Implementation for scrolling in direction "dir", which is one of the MSCR_
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/// values.
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void ins_mousescroll(int dir)
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{
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win_T *const old_curwin = curwin;
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pos_T tpos = curwin->w_cursor;
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cmdarg_T cap;
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CLEAR_FIELD(cap);
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if (mouse_row >= 0 && mouse_col >= 0) {
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int row = mouse_row, col = mouse_col, grid = mouse_grid;
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oparg_T oa;
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clear_oparg(&oa);
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cap.oap = &oa;
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// find the window at the pointer coordinates
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win_T *wp = mouse_find_win(&grid, &row, &col);
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if (wp == NULL) {
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return;
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}
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curwin = wp;
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curbuf = curwin->w_buffer;
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}
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if (curwin == old_curwin) {
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undisplay_dollar();
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}
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// Don't scroll the window in which completion is being done.
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if (!pum_visible() || curwin != old_curwin) {
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if (dir == MSCR_DOWN || dir == MSCR_UP) {
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if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
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scroll_redraw(dir, curwin->w_botline - curwin->w_topline);
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} else if (p_mousescroll_vert > 0) {
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scroll_redraw(dir, (linenr_T)p_mousescroll_vert);
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}
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} else {
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mouse_scroll_horiz(dir);
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}
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}
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curwin->w_redr_status = true;
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curwin = old_curwin;
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curbuf = curwin->w_buffer;
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if (!equalpos(curwin->w_cursor, tpos)) {
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start_arrow(&tpos);
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set_can_cindent(true);
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cap.arg = dir;
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switch (dir) {
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case MSCR_UP:
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cap.cmdchar = K_MOUSEUP;
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break;
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case MSCR_DOWN:
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cap.cmdchar = K_MOUSEDOWN;
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break;
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case MSCR_LEFT:
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cap.cmdchar = K_MOUSELEFT;
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break;
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case MSCR_RIGHT:
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cap.cmdchar = K_MOUSERIGHT;
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break;
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default:
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siemsg("Invalid ins_mousescroll() argument: %d", dir);
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}
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do_mousescroll(MODE_INSERT, &cap);
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}
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/// Return true if "c" is a mouse key.
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@ -1456,20 +1443,44 @@ retnomove:
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return count;
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}
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/// Mouse scroll wheel: Default action is to scroll three lines, or one page
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/// when Shift or Ctrl is used.
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/// K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
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/// K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
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void nv_mousescroll(cmdarg_T *cap)
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/// Make a horizontal scroll to "leftcol".
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/// @return true if the cursor moved, false otherwise.
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static bool do_mousescroll_horiz(colnr_T leftcol)
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{
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win_T *old_curwin = curwin;
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if (curwin->w_p_wrap) {
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return false; // no horizontal scrolling when wrapping
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}
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if (curwin->w_leftcol == leftcol) {
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return false; // already there
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}
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// When the line of the cursor is too short, move the cursor to the
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// longest visible line.
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if (!virtual_active()
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&& leftcol > scroll_line_len(curwin->w_cursor.lnum)) {
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curwin->w_cursor.lnum = find_longest_lnum();
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curwin->w_cursor.col = 0;
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}
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return set_leftcol(leftcol);
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}
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/// Mouse scroll wheel: Default action is to scroll p_mousescroll_vert lines,
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/// or p_mousescroll_hor, or one page when Shift or Ctrl is used.
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/// Direction is indicated by "cap->arg":
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/// K_MOUSEUP - MSCR_UP
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/// K_MOUSEDOWN - MSCR_DOWN
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/// K_MOUSELEFT - MSCR_LEFT
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/// K_MOUSERIGHT - MSCR_RIGHT
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void do_mousescroll(int mode, cmdarg_T *cap)
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{
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win_T *const old_curwin = curwin;
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pos_T tpos = curwin->w_cursor;
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if (mouse_row >= 0 && mouse_col >= 0) {
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int grid, row, col;
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grid = mouse_grid;
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row = mouse_row;
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col = mouse_col;
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int grid = mouse_grid;
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int row = mouse_row;
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int col = mouse_col;
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// find the window at the pointer coordinates
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win_T *wp = mouse_find_win(&grid, &row, &col);
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@ -1480,18 +1491,45 @@ void nv_mousescroll(cmdarg_T *cap)
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curbuf = curwin->w_buffer;
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}
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if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN) {
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if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
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(void)onepage(cap->arg ? FORWARD : BACKWARD, 1);
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} else if (p_mousescroll_vert > 0) {
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cap->count1 = (int)p_mousescroll_vert;
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cap->count0 = (int)p_mousescroll_vert;
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nv_scroll_line(cap);
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}
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} else {
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mouse_scroll_horiz(cap->arg);
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if (mode == MODE_INSERT && curwin == old_curwin) {
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undisplay_dollar();
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}
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if (curwin != old_curwin && curwin->w_p_cul) {
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// For Insert mode, don't scroll the window in which completion is being done.
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if (mode == MODE_NORMAL || !pum_visible() || curwin != old_curwin) {
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if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN) {
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if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
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if (mode == MODE_INSERT) {
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int step = curwin->w_botline - curwin->w_topline;
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scroll_redraw(cap->arg, step);
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} else {
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(void)onepage(cap->arg ? FORWARD : BACKWARD, 1);
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}
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} else if (p_mousescroll_vert > 0) {
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if (mode == MODE_INSERT) {
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scroll_redraw(cap->arg, (linenr_T)p_mousescroll_vert);
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} else {
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cap->count1 = (int)p_mousescroll_vert;
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cap->count0 = (int)p_mousescroll_vert;
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nv_scroll_line(cap);
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}
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}
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} else {
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int step = (int)p_mousescroll_hor;
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if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
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step = curwin->w_width_inner;
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}
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colnr_T leftcol = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step);
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if (leftcol < 0) {
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leftcol = 0;
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}
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(void)do_mousescroll_horiz(leftcol);
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}
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}
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if (mode == MODE_NORMAL && curwin != old_curwin && curwin->w_p_cul) {
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redraw_for_cursorline(curwin);
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}
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@ -1499,6 +1537,18 @@ void nv_mousescroll(cmdarg_T *cap)
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curwin = old_curwin;
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curbuf = curwin->w_buffer;
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if (mode == MODE_INSERT) {
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if (!equalpos(curwin->w_cursor, tpos)) {
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start_arrow(&tpos);
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set_can_cindent(true);
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}
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}
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}
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void nv_mousescroll(cmdarg_T *cap)
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{
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do_mousescroll(MODE_NORMAL, cap);
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}
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/// Mouse clicks and drags.
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@ -1724,9 +1774,7 @@ static colnr_T scroll_line_len(linenr_T lnum)
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return col;
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}
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///
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/// Find longest visible line number.
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///
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static linenr_T find_longest_lnum(void)
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{
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linenr_T ret = 0;
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@ -1761,39 +1809,6 @@ static linenr_T find_longest_lnum(void)
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return ret;
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}
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/// Do a horizontal scroll.
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/// @return true if the cursor moved, false otherwise.
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bool mouse_scroll_horiz(int dir)
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{
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if (curwin->w_p_wrap) {
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return false;
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}
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int step = (int)p_mousescroll_hor;
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if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
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step = curwin->w_width_inner;
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}
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int leftcol = curwin->w_leftcol + (dir == MSCR_RIGHT ? -step : +step);
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if (leftcol < 0) {
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leftcol = 0;
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}
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if (curwin->w_leftcol == leftcol) {
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return false;
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}
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// When the line of the cursor is too short, move the cursor to the
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// longest visible line.
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if (!virtual_active()
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&& (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) {
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curwin->w_cursor.lnum = find_longest_lnum();
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curwin->w_cursor.col = 0;
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}
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return set_leftcol(leftcol);
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}
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/// Check clicked cell on its grid
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static void mouse_check_grid(colnr_T *vcolp, int *flagsp)
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FUNC_ATTR_NONNULL_ALL
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