diff options
Diffstat (limited to 'plugins/indentguide.lua')
| -rw-r--r-- | plugins/indentguide.lua | 79 |
1 files changed, 50 insertions, 29 deletions
diff --git a/plugins/indentguide.lua b/plugins/indentguide.lua index 99b1311..42eb3a6 100644 --- a/plugins/indentguide.lua +++ b/plugins/indentguide.lua @@ -1,8 +1,23 @@ --- mod-version:2 -- lite-xl 2.0 +-- mod-version:3 local style = require "core.style" local config = require "core.config" +local common = require "core.common" local DocView = require "core.docview" +config.plugins.indentguide = common.merge({ + enabled = true, + -- The config specification used by the settings gui + config_spec = { + name = "Indent Guide", + { + label = "Enable", + description = "Toggle the drawing of indentation indicator lines.", + path = "enabled", + type = "toggle", + default = true + } + } +}, config.plugins.indentguide) -- TODO: replace with `doc:get_indent_info()` when 2.1 releases local function get_indent_info(doc) @@ -13,15 +28,15 @@ local function get_indent_info(doc) end -local function get_line_spaces(doc, idx, dir) +local function get_line_spaces(doc, line, dir) local _, indent_size = get_indent_info(doc) - local text = doc.lines[idx] + local text = doc.lines[line] if not text or #text == 1 then return -1 end local s, e = text:find("^%s*") if e == #text then - return get_line_spaces(doc, idx + dir, dir) + return get_line_spaces(doc, line + dir, dir) end local n = 0 for _,b in pairs({text:byte(s, e)}) do @@ -31,25 +46,29 @@ local function get_line_spaces(doc, idx, dir) end -local function get_line_indent_guide_spaces(doc, idx) - if doc.lines[idx]:find("^%s*\n") then +local function get_line_indent_guide_spaces(doc, line) + if doc.lines[line]:find("^%s*\n") then return math.max( - get_line_spaces(doc, idx - 1, -1), - get_line_spaces(doc, idx + 1, 1)) + get_line_spaces(doc, line - 1, -1), + get_line_spaces(doc, line + 1, 1)) end - return get_line_spaces(doc, idx) + return get_line_spaces(doc, line) end local docview_update = DocView.update function DocView:update() docview_update(self) - local function get_indent(idx) - if idx < 1 or idx > #self.doc.lines then return -1 end - if not self.indentguide_indents[idx] then - self.indentguide_indents[idx] = get_line_indent_guide_spaces(self.doc, idx) + if not config.plugins.indentguide.enabled or not self:is(DocView) then + return + end + + local function get_indent(line) + if line < 1 or line > #self.doc.lines then return -1 end + if not self.indentguide_indents[line] then + self.indentguide_indents[line] = get_line_indent_guide_spaces(self.doc, line) end - return self.indentguide_indents[idx] + return self.indentguide_indents[line] end self.indentguide_indents = {} @@ -103,21 +122,23 @@ end local draw_line_text = DocView.draw_line_text -function DocView:draw_line_text(idx, x, y) - local spaces = self.indentguide_indents[idx] or -1 - local _, indent_size = get_indent_info(self.doc) - local w = math.max(1, SCALE) - local h = self:get_line_height() - local font = self:get_font() - local space_sz = font:get_width(" ") - for i = 0, spaces - 1, indent_size do - local color = style.guide or style.selection - local active_lvl = self.indentguide_indent_active[idx] or -1 - if i < active_lvl and i + indent_size >= active_lvl then - color = style.guide_highlight or style.accent +function DocView:draw_line_text(line, x, y) + if config.plugins.indentguide.enabled and self:is(DocView) then + local spaces = self.indentguide_indents[line] or -1 + local _, indent_size = get_indent_info(self.doc) + local w = math.max(1, SCALE) + local h = self:get_line_height() + local font = self:get_font() + local space_sz = font:get_width(" ") + for i = 0, spaces - 1, indent_size do + local color = style.guide or style.selection + local active_lvl = self.indentguide_indent_active[line] or -1 + if i < active_lvl and i + indent_size >= active_lvl then + color = style.guide_highlight or style.accent + end + local sw = space_sz * i + renderer.draw_rect(math.ceil(x + sw), y, w, h, color) end - local sw = space_sz * i - renderer.draw_rect(math.ceil(x + sw), y, w, h, color) end - draw_line_text(self, idx, x, y) + return draw_line_text(self, line, x, y) end |