111 lines
3.2 KiB
Lua
111 lines
3.2 KiB
Lua
local a = vim.api
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local log = require "telescope.log"
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local conf = require("telescope.config").values
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local highlights = {}
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local ns_telescope_selection = a.nvim_create_namespace "telescope_selection"
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local ns_telescope_multiselection = a.nvim_create_namespace "telescope_mulitselection"
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local ns_telescope_entry = a.nvim_create_namespace "telescope_entry"
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local Highlighter = {}
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Highlighter.__index = Highlighter
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function Highlighter:new(picker)
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return setmetatable({
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picker = picker,
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}, self)
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end
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function Highlighter:hi_display(row, prefix, display_highlights)
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-- This is the bug that made my highlight fixes not work.
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-- We will leave the solutino commented, so the test fails.
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if not display_highlights or vim.tbl_isempty(display_highlights) then
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return
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end
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local results_bufnr = assert(self.picker.results_bufnr, "Must have a results bufnr")
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a.nvim_buf_clear_namespace(results_bufnr, ns_telescope_entry, row, row + 1)
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local len_prefix = #prefix
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for _, hl_block in ipairs(display_highlights) do
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a.nvim_buf_add_highlight(
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results_bufnr,
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ns_telescope_entry,
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hl_block[2],
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row,
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len_prefix + hl_block[1][1],
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len_prefix + hl_block[1][2]
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)
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end
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end
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function Highlighter:clear_display()
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if
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not self
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or not self.picker
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or not self.picker.results_bufnr
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or not vim.api.nvim_buf_is_valid(self.picker.results_bufnr)
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then
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return
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end
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a.nvim_buf_clear_namespace(self.picker.results_bufnr, ns_telescope_entry, 0, -1)
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end
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function Highlighter:hi_sorter(row, prompt, display)
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local picker = self.picker
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if not picker.sorter or not picker.sorter.highlighter then
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return
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end
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local results_bufnr = assert(self.picker.results_bufnr, "Must have a results bufnr")
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picker:highlight_one_row(results_bufnr, prompt, display, row)
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end
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function Highlighter:hi_selection(row, caret)
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local results_bufnr = assert(self.picker.results_bufnr, "Must have a results bufnr")
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a.nvim_buf_clear_namespace(results_bufnr, ns_telescope_selection, 0, -1)
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a.nvim_buf_add_highlight(results_bufnr, ns_telescope_selection, "TelescopeSelectionCaret", row, 0, #caret)
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a.nvim_buf_set_extmark(
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results_bufnr,
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ns_telescope_selection,
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row,
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#caret,
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{ end_line = row + 1, hl_eol = conf.hl_result_eol, hl_group = "TelescopeSelection" }
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)
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end
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function Highlighter:hi_multiselect(row, is_selected)
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local results_bufnr = assert(self.picker.results_bufnr, "Must have a results bufnr")
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if is_selected then
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vim.api.nvim_buf_add_highlight(results_bufnr, ns_telescope_multiselection, "TelescopeMultiSelection", row, 0, -1)
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else
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local existing_marks = vim.api.nvim_buf_get_extmarks(
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results_bufnr,
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ns_telescope_multiselection,
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{ row, 0 },
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{ row, -1 },
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{}
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)
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-- This is still kind of weird to me, since it seems like I'm erasing stuff
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-- when i shouldn't... perhaps it's a bout the gravity of the extmark?
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if #existing_marks > 0 then
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log.trace("Clearning highlight multi select row: ", row)
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vim.api.nvim_buf_clear_namespace(results_bufnr, ns_telescope_multiselection, row, row + 1)
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end
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end
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end
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highlights.new = function(...)
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return Highlighter:new(...)
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end
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return highlights
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