335 lines
9.3 KiB
Lua
335 lines
9.3 KiB
Lua
-- mod-version:3
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local core = require "core"
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local common = require "core.common"
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local keymap = require "core.keymap"
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local command = require "core.command"
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local style = require "core.style"
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local View = require "core.view"
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local ResultsView = View:extend()
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ResultsView.context = "session"
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function ResultsView:new(text, fn)
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ResultsView.super.new(self)
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self.scrollable = true
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self.brightness = 0
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self:begin_search(text, fn)
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end
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function ResultsView:get_name()
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return "Search Results"
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end
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local function find_all_matches_in_file(t, filename, fn)
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local fp = io.open(filename)
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if not fp then return t end
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local n = 1
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for line in fp:lines() do
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local s = fn(line)
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if s then
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-- Insert maximum 256 characters. If we insert more, for compiled files, which can have very long lines
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-- things tend to get sluggish. If our line is longer than 80 characters, begin to truncate the thing.
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local start_index = math.max(s - 80, 1)
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table.insert(t, { file = filename, text = (start_index > 1 and "..." or "") .. line:sub(start_index, 256 + start_index), line = n, col = s })
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core.redraw = true
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end
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if n % 100 == 0 then coroutine.yield() end
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n = n + 1
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core.redraw = true
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end
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fp:close()
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end
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function ResultsView:begin_search(text, fn)
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self.search_args = { text, fn }
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self.results = {}
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self.last_file_idx = 1
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self.query = text
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self.searching = true
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self.selected_idx = 0
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core.add_thread(function()
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local i = 1
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for dir_name, file in core.get_project_files() do
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if file.type == "file" then
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local path = (dir_name == core.project_dir and "" or (dir_name .. PATHSEP))
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find_all_matches_in_file(self.results, path .. file.filename, fn)
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end
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self.last_file_idx = i
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i = i + 1
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end
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self.searching = false
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self.brightness = 100
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core.redraw = true
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end, self.results)
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self.scroll.to.y = 0
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end
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function ResultsView:refresh()
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self:begin_search(table.unpack(self.search_args))
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end
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function ResultsView:on_mouse_moved(mx, my, ...)
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ResultsView.super.on_mouse_moved(self, mx, my, ...)
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self.selected_idx = 0
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for i, item, x,y,w,h in self:each_visible_result() do
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if mx >= x and my >= y and mx < x + w and my < y + h then
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self.selected_idx = i
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break
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end
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end
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end
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function ResultsView:on_mouse_pressed(...)
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local caught = ResultsView.super.on_mouse_pressed(self, ...)
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if not caught then
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return self:open_selected_result()
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end
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end
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function ResultsView:open_selected_result()
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local res = self.results[self.selected_idx]
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if not res then
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return
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end
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core.try(function()
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local dv = core.root_view:open_doc(core.open_doc(res.file))
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core.root_view.root_node:update_layout()
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dv.doc:set_selection(res.line, res.col)
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dv:scroll_to_line(res.line, false, true)
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end)
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return true
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end
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function ResultsView:update()
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self:move_towards("brightness", 0, 0.1)
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ResultsView.super.update(self)
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end
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function ResultsView:get_results_yoffset()
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return style.font:get_height() + style.padding.y * 3
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end
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function ResultsView:get_line_height()
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return style.padding.y + style.font:get_height()
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end
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function ResultsView:get_scrollable_size()
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return self:get_results_yoffset() + #self.results * self:get_line_height()
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end
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function ResultsView:get_visible_results_range()
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local lh = self:get_line_height()
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local oy = self:get_results_yoffset()
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local min = math.max(1, math.floor((self.scroll.y - oy) / lh))
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return min, min + math.floor(self.size.y / lh) + 1
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end
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function ResultsView:each_visible_result()
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return coroutine.wrap(function()
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local lh = self:get_line_height()
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local x, y = self:get_content_offset()
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local min, max = self:get_visible_results_range()
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y = y + self:get_results_yoffset() + lh * (min - 1)
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for i = min, max do
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local item = self.results[i]
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if not item then break end
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coroutine.yield(i, item, x, y, self.size.x, lh)
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y = y + lh
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end
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end)
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end
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function ResultsView:scroll_to_make_selected_visible()
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local h = self:get_line_height()
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local y = self:get_results_yoffset() + h * (self.selected_idx - 1)
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self.scroll.to.y = math.min(self.scroll.to.y, y)
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self.scroll.to.y = math.max(self.scroll.to.y, y + h - self.size.y)
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end
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function ResultsView:draw()
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self:draw_background(style.background)
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-- status
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local ox, oy = self:get_content_offset()
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local x, y = ox + style.padding.x, oy + style.padding.y
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local files_number = core.project_files_number()
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local per = common.clamp(files_number and self.last_file_idx / files_number or 1, 0, 1)
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local text
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if self.searching then
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if files_number then
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text = string.format("Searching %.f%% (%d of %d files, %d matches) for %q...",
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per * 100, self.last_file_idx, files_number,
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#self.results, self.query)
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else
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text = string.format("Searching (%d files, %d matches) for %q...",
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self.last_file_idx, #self.results, self.query)
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end
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else
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text = string.format("Found %d matches for %q",
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#self.results, self.query)
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end
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local color = common.lerp(style.text, style.accent, self.brightness / 100)
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renderer.draw_text(style.font, text, x, y, color)
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-- horizontal line
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local yoffset = self:get_results_yoffset()
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local x = ox + style.padding.x
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local w = self.size.x - style.padding.x * 2
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local h = style.divider_size
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local color = common.lerp(style.dim, style.text, self.brightness / 100)
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renderer.draw_rect(x, oy + yoffset - style.padding.y, w, h, color)
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if self.searching then
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renderer.draw_rect(x, oy + yoffset - style.padding.y, w * per, h, style.text)
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end
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-- results
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local y1, y2 = self.position.y, self.position.y + self.size.y
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for i, item, x,y,w,h in self:each_visible_result() do
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local color = style.text
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if i == self.selected_idx then
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color = style.accent
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renderer.draw_rect(x, y, w, h, style.line_highlight)
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end
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x = x + style.padding.x
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local text = string.format("%s at line %d (col %d): ", item.file, item.line, item.col)
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x = common.draw_text(style.font, style.dim, text, "left", x, y, w, h)
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x = common.draw_text(style.code_font, color, item.text, "left", x, y, w, h)
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end
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self:draw_scrollbar()
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end
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local function begin_search(text, fn)
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if text == "" then
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core.error("Expected non-empty string")
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return
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end
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local rv = ResultsView(text, fn)
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core.root_view:get_active_node_default():add_view(rv)
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end
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local function get_selected_text()
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local view = core.active_view
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local doc = (view and view.doc) and view.doc or nil
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if doc then
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return doc:get_text(table.unpack({ doc:get_selection() }))
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end
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end
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command.add(nil, {
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["project-search:find"] = function()
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core.command_view:enter("Find Text In Project", {
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text = get_selected_text(),
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select_text = true,
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submit = function(text)
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text = text:lower()
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begin_search(text, function(line_text)
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return line_text:lower():find(text, nil, true)
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end)
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end
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})
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end,
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["project-search:find-regex"] = function()
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core.command_view:enter("Find Regex In Project", {
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submit = function(text)
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local re = regex.compile(text, "i")
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begin_search(text, function(line_text)
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return regex.cmatch(re, line_text)
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end)
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end
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})
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end,
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["project-search:fuzzy-find"] = function()
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core.command_view:enter("Fuzzy Find Text In Project", {
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text = get_selected_text(),
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select_text = true,
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submit = function(text)
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begin_search(text, function(line_text)
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return common.fuzzy_match(line_text, text) and 1
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end)
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end
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})
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end,
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})
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command.add(ResultsView, {
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["project-search:select-previous"] = function()
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local view = core.active_view
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view.selected_idx = math.max(view.selected_idx - 1, 1)
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view:scroll_to_make_selected_visible()
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end,
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["project-search:select-next"] = function()
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local view = core.active_view
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view.selected_idx = math.min(view.selected_idx + 1, #view.results)
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view:scroll_to_make_selected_visible()
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end,
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["project-search:open-selected"] = function()
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core.active_view:open_selected_result()
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end,
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["project-search:refresh"] = function()
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core.active_view:refresh()
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end,
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["project-search:move-to-previous-page"] = function()
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local view = core.active_view
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view.scroll.to.y = view.scroll.to.y - view.size.y
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end,
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["project-search:move-to-next-page"] = function()
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local view = core.active_view
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view.scroll.to.y = view.scroll.to.y + view.size.y
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end,
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["project-search:move-to-start-of-doc"] = function()
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local view = core.active_view
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view.scroll.to.y = 0
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end,
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["project-search:move-to-end-of-doc"] = function()
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local view = core.active_view
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view.scroll.to.y = view:get_scrollable_size()
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end
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})
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keymap.add {
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["f5"] = "project-search:refresh",
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["ctrl+shift+f"] = "project-search:find",
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["up"] = "project-search:select-previous",
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["down"] = "project-search:select-next",
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["return"] = "project-search:open-selected",
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["pageup"] = "project-search:move-to-previous-page",
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["pagedown"] = "project-search:move-to-next-page",
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["ctrl+home"] = "project-search:move-to-start-of-doc",
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["ctrl+end"] = "project-search:move-to-end-of-doc",
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["home"] = "project-search:move-to-start-of-doc",
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["end"] = "project-search:move-to-end-of-doc"
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}
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