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Fixed cursor movement.

This commit is contained in:
Adam Harrison 2021-08-29 20:05:58 -04:00
parent bbe4e21f52
commit 4ae16615e8
1 changed files with 14 additions and 16 deletions
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30
data/core/doc/init.lua
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@ -320,21 +320,20 @@ function Doc:raw_insert(line, col, text, undo_stack, time)
-- splice lines into line array
common.splice(self.lines, line, 1, lines)
-- keep cursors where they should be
for idx, cline1, ccol1, cline2, ccol2 in self:get_selections(true, true) do
if cline1 < line then break end
local line_addition = (line < cline1 or col < ccol1) and #lines - 1 or 0
local column_addition = line == cline1 and ccol1 > col and len or 0
self:set_selections(idx, cline1 + line_addition, ccol1 + column_addition, cline2 + line_addition, ccol2 + column_addition)
end
-- push undo
local line2, col2 = self:position_offset(line, col, #text)
push_undo(undo_stack, time, "selection", unpack(self.selections))
push_undo(undo_stack, time, "remove", line, col, line2, col2)
-- keep cursors where they should be
for idx, cline1, ccol1, cline2, ccol2 in self:get_selections(true) do
if cline1 >= line then
local line_addition = line > cline1 or ccol1 > col and #lines - 1 or 0
local column_addition = line == cline1 and ccol1 > col and len or 0
self:set_selections(idx, cline1 + line_addition, ccol1 + column_addition, cline2 + line_addition, ccol2 + column_addition)
end
end
-- update highlighter and assure selection is in bounds
self.highlighter:invalidate(line)
self:sanitize_selection()
@ -355,12 +354,11 @@ function Doc:raw_remove(line1, col1, line2, col2, undo_stack, time)
common.splice(self.lines, line1, line2 - line1 + 1, { before .. after })
-- move all cursors back if they share a line with the removed text
for idx, cline1, ccol1, cline2, ccol2 in self:get_selections(true) do
if cline1 >= line2 then
local line_removal = line2 - line1
local column_removal = line2 == cline2 and col2 < ccol1 and (line2 == line1 and col2 - col1 or col2) or 0
self:set_selections(idx, cline1 - line_removal, ccol1 - column_removal, cline2 - line_removal, ccol2 - column_removal)
end
for idx, cline1, ccol1, cline2, ccol2 in self:get_selections(true, true) do
if cline1 < line2 then break end
local line_removal = line2 - line1
local column_removal = line2 == cline2 and col2 < ccol1 and (line2 == line1 and col2 - col1 or col2) or 0
self:set_selections(idx, cline1 - line_removal, ccol1 - column_removal, cline2 - line_removal, ccol2 - column_removal)
end
-- update highlighter and assure selection is in bounds
@ -398,7 +396,7 @@ end
function Doc:text_input(text, idx)
for sidx, line1, col1, line2, col2 in self:get_selections(true, idx) do
for sidx, line1, col1, line2, col2 in self:get_selections(true, idx or true) do
if line1 ~= line2 or col1 ~= col2 then
self:delete_to_cursor(sidx)
end