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Initial commit of multicursor. Next step is to investigate how multicursor works on various other IDEs and ape those.

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This commit is contained in:
Adam Harrison
2021-06-18 17:33:55 -04:00
parent 0d65725b27
commit 37a3884ee2
3 changed files with 270 additions and 168 deletions
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data/core/docview.lua
+42 -27
View File
@@ -276,7 +276,18 @@ function DocView:on_mouse_moved(x, y, ...)
local l1, c1 = self:resolve_screen_position(x, y)
local l2, c2 = table.unpack(self.mouse_selecting)
local clicks = self.mouse_selecting.clicks
self.doc:set_selection(mouse_selection(self.doc, clicks, l1, c1, l2, c2))
if keymap.modkeys["ctrl"] then
if l1 > l2 then
l2 = l1
end
local idx = 1
for i = l1, l2 do
idx = idx + 1
self.doc:set_selections(idx, i, math.min(c1, #self.doc.lines[i]), i, math.min(c1, #self.doc.lines[i]))
end
else
self.doc:set_selection(mouse_selection(self.doc, clicks, l1, c1, l2, c2))
end
end
end
@@ -340,46 +351,50 @@ end
function DocView:draw_line_body(idx, x, y)
local line, col = self.doc:get_selection()
-- draw selection if it overlaps this line
local line1, col1, line2, col2 = self.doc:get_selection(true)
if idx >= line1 and idx <= line2 then
local text = self.doc.lines[idx]
if line1 ~= idx then col1 = 1 end
if line2 ~= idx then col2 = #text + 1 end
local x1 = x + self:get_col_x_offset(idx, col1)
local x2 = x + self:get_col_x_offset(idx, col2)
local lh = self:get_line_height()
renderer.draw_rect(x1, y, x2 - x1, lh, style.selection)
for lidx, line1, col1, line2, col2 in self.doc:get_selections(true) do
if idx >= line1 and idx <= line2 then
local text = self.doc.lines[idx]
if line1 ~= idx then col1 = 1 end
if line2 ~= idx then col2 = #text + 1 end
local x1 = x + self:get_col_x_offset(idx, col1)
local x2 = x + self:get_col_x_offset(idx, col2)
local lh = self:get_line_height()
renderer.draw_rect(x1, y, x2 - x1, lh, style.selection)
end
end
-- draw line highlight if caret is on this line
if config.highlight_current_line and not self.doc:has_selection()
and line == idx and core.active_view == self then
self:draw_line_highlight(x + self.scroll.x, y)
for lidx, line1, col1, line2, col2 in self.doc:get_selections(true) do
-- draw line highlight if caret is on this line
if config.highlight_current_line and not self.doc:has_selection(lidx)
and line1 == idx and core.active_view == self then
self:draw_line_highlight(x + self.scroll.x, y)
end
end
-- draw line's text
self:draw_line_text(idx, x, y)
-- draw caret if it overlaps this line
local T = config.blink_period
if line == idx and core.active_view == self
and (core.blink_timer - core.blink_start) % T < T / 2
and system.window_has_focus() then
local lh = self:get_line_height()
local x1 = x + self:get_col_x_offset(line, col)
renderer.draw_rect(x1, y, style.caret_width, lh, style.caret)
for _, line, col in self.doc:get_selections() do
if line == idx and core.active_view == self
and (core.blink_timer - core.blink_start) % T < T / 2
and system.window_has_focus() then
local lh = self:get_line_height()
local x1 = x + self:get_col_x_offset(line, col)
renderer.draw_rect(x1, y, style.caret_width, lh, style.caret)
end
end
end
function DocView:draw_line_gutter(idx, x, y)
local color = style.line_number
local line1, _, line2, _ = self.doc:get_selection(true)
if idx >= line1 and idx <= line2 then
color = style.line_number2
for _, line1, _, line2 in self.doc:get_selections(true) do
if idx >= line1 and idx <= line2 then
color = style.line_number2
break
end
end
local yoffset = self:get_line_text_y_offset()
x = x + style.padding.x