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authorzeertzjq <zeertzjq@outlook.com>2023-08-19 19:40:26 +0800
committerGitHub <noreply@github.com>2023-08-19 19:40:26 +0800
commitc8e58bf09c4abc92c8689a80eb90150c5ff3cdfc (patch)
treecf1a9ffc524fdaa268f847139b0c60931a3559af
parentd9b094660944969b5160f2d22f0c2e8627e10d92 (diff)
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vim-patch:9.0.1742: wrong curswant when clicking on second cell of double-width char (#24789)
Problem: Wrong curswant when clicking and the second cell of a double-width char. Solution: Don't copy virtcol of the first char to the second one. closes: vim/vim#12842 https://github.com/vim/vim/commit/9994160bfe74501886bbbf5631aec8ea2ae05991
-rw-r--r--src/nvim/grid.c2
-rw-r--r--test/old/testdir/test_normal.vim25
2 files changed, 26 insertions, 1 deletions
diff --git a/src/nvim/grid.c b/src/nvim/grid.c
index e6817cd8be..fa7f270172 100644
--- a/src/nvim/grid.c
+++ b/src/nvim/grid.c
@@ -634,7 +634,7 @@ void grid_put_linebuf(ScreenGrid *grid, int row, int coloff, int endcol, int cle
grid->vcols[off_to] = linebuf_vcol[off_from];
if (char_cells == 2) {
- grid->vcols[off_to + 1] = linebuf_vcol[off_from];
+ grid->vcols[off_to + 1] = linebuf_vcol[off_from + 1];
}
off_to += (size_t)char_cells;
diff --git a/test/old/testdir/test_normal.vim b/test/old/testdir/test_normal.vim
index c022133b4f..c672f32827 100644
--- a/test/old/testdir/test_normal.vim
+++ b/test/old/testdir/test_normal.vim
@@ -4092,4 +4092,29 @@ func Test_normal_click_on_ctrl_char()
let &mouse = save_mouse
endfunc
+" Test clicking on a double-width character in Normal mode
+func Test_normal_click_on_double_width_char()
+ let save_mouse = &mouse
+ set mouse=a
+ new
+
+ call setline(1, "口口")
+ redraw
+ call Ntest_setmouse(1, 1)
+ call feedkeys("\<LeftMouse>", 'xt')
+ call assert_equal([0, 1, 1, 0, 1], getcurpos())
+ call Ntest_setmouse(1, 2)
+ call feedkeys("\<LeftMouse>", 'xt')
+ call assert_equal([0, 1, 1, 0, 2], getcurpos())
+ call Ntest_setmouse(1, 3)
+ call feedkeys("\<LeftMouse>", 'xt')
+ call assert_equal([0, 1, 4, 0, 3], getcurpos())
+ call Ntest_setmouse(1, 4)
+ call feedkeys("\<LeftMouse>", 'xt')
+ call assert_equal([0, 1, 4, 0, 4], getcurpos())
+
+ bwipe!
+ let &mouse = save_mouse
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab