suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

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-- environment for immutable logs -- optionally reads extensions for rendering some types from the source codebase that generated them -- -- We won't care too much about long, wrapped lines. If they lines get too -- long to manage, you need a better, graphical rendering for them. Load -- functions to render them into the log_render namespace. function source.initialize_log_browser_side() Log_browser_state = edit.initialize_state(Margin_top, Editor_state.right + Margin_right + Margin_left, (Editor_state.right+Margin_right)*2, Editor_state.font_height, Editor_state.line_height) Log_browser_state.filename = 'log' load_from_disk(Log_browser_state) -- TODO: pay no attention to Fold log_browser.parse(Log_browser_state) Text.redraw_all(Log_browser_state) Log_browser_state.screen_top1 = {line=1, pos=1} Log_browser_state.cursor1 = {line=1, pos=nil} end Section_stack = {} Section_border_color = {r=0.7, g=0.7, b=0.7} Cursor_line_background_color = {r=0.7, g=0.7, b=0, a=0.1} Section_border_padding_horizontal = 30 -- TODO: adjust this based on font height (because we draw text vertically along the borders Section_border_padding_vertical = 15 -- TODO: adjust this based on font height log_browser = {} function log_browser.parse(State) for _,line in ipairs(State.lines) do if line.data ~= '' then line.filename, line.line_number, line.data = line.data:match('%[string "([^:]*)"%]:([^:]*):%s*(.*)') line.filename = guess_source(line.filename) line.line_number = tonumber(line.line_number) if line.data:sub(1,1) == '{' then local data = json.decode(line.data) if log_render[data.name] then line.data = data end line.section_stack = table.shallowcopy(Section_stack) elseif line.data:match('\u{250c}') then line.section_stack = table.shallowcopy(Section_stack) -- as it is at the beginning local section_name = line.data:match('\u{250c}%s*(.*)') table.insert(Section_stack, {name=section_name}) line.section_begin = true line.section_name = section_name line.data = nil elseif line.data:match('\u{2518}') then local section_name = line.data:match('\u{2518}%s*(.*)') if array.find(Section_stack, function(x) return x.name == section_name end) then while table.remove(Section_stack).name ~= section_name do -- end line.section_end = true line.section_name = section_name line.data = nil end line.section_stack = table.shallowcopy(Section_stack) else -- string line.section_stack = table.shallowcopy(Section_stack) end else line.section_stack = {} end end end function table.shallowcopy(x) return {unpack(x)} end function guess_source(filename) local possible_source = filename:gsub('%.lua$', '%.splua') if file_exists(possible_source) then return possible_source else return filename end end function log_browser.draw(State) assert(#State.lines == #State.line_cache) local mouse_line_index = log_browser.line_index(State, App.mouse_x(), App.mouse_y()) local y = State.top for line_index = State.screen_top1.line,#State.lines do App.color(Text_color) local line = State.lines[line_index] if y + State.line_height > App.screen.height then break end local height = State.line_height if should_show(line) then local xleft = render_stack_left_margin(State, line_index, line, y) local xright = render_stack_right_margin(State, line_index, line, y) if line.section_name then App.color(Section_border_color) local section_text = to_text(line.section_name) if line.section_begin then local sectiony = y+Section_border_padding_vertical love.graphics.line(xleft,sectiony, xleft,y+State.line_height) love.graphics.line(xright,sectiony, xright,y+State.line_height) love.graphics.line(xleft,sectiony, xleft+50-2,sectiony) love.graphics.draw(section_text, xleft+50,y) love.graphics.line(xleft+50+App.width(section_text)+2,sectiony, xright,sectiony) else assert(line.section_end) local sectiony = y+State.line_height-Section_border_padding_vertical love.graphics.line(xleft,y, xleft,sectiony) love.graphics.line(xright,y, xright,sectiony) love.graphics.line(xleft,sectiony, xleft+50-2,sectiony) love.graphics.draw(section_text, xleft+50,y) love.graphics.line(xleft+50+App.width(section_text)+2,sectiony, xright,sectiony) end else if type(line.data) == 'string' then local old_left, old_right = State.left,State.right State.left,State.right = xleft,xright y = Text.draw(State, line_index, y, --[[startpos]] 1) State.left,State.right = old_left,old_right else height = log_render[line.data.name](line.data, xleft, y, xright-xleft) end end if App.mouse_x() > Log_browser_state.left and line_index == mouse_line_index then App.color(Cursor_line_background_color) love.graphics.rectangle('fill', xleft,y, xright-xleft, height) end y = y + height end end end function render_stack_left_margin(State, line_index, line, y) if line.section_stack == nil then -- assertion message for k,v in pairs(line) do print(k) end end App.color(Section_border_color) for i=1,#line.section_stack do local x = State.left + (i-1)*Section_border_padding_horizontal love.graphics.line(x,y, x,y+log_browser.height(State, line_index)) if y < 30 then love.graphics.print(line.section_stack[i].name, x+State.font_height+5, y+5, --[[vertically]] math.pi/2) end if y > App.screen.height-log_browser.height(State, line_index) then love.graphics.print(line.section_stack[i].name, x+State.font_height+5, App.screen.height-App.width(to_text(line.section_stack[i].name))-5, --[[vertically]] math.pi/2) end end return log_browser.left_margin(State, line) end function render_stack_right_margin(State, line_index, line, y) App.color(Section_border_color) for i=1,#line.section_stack do local x = State.right - (i-1)*Section_border_padding_horizontal love.graphics.line(x,y, x,y+log_browser.height(State, line_index)) if y < 30 then love.graphics.print(line.section_stack[i].name, x, y+5, --[[vertically]] math.pi/2) end if y > App.screen.height-log_browser.height(State, line_index) then love.graphics.print(line.section_stack[i].name, x, App.screen.height-App.width(to_text(line.section_stack[i].name))-5, --[[vertically]] math.pi/2) end end return log_browser.right_margin(State, line) end function should_show(line) -- Show a line if every single section it's in is expanded. for i=1,#line.section_stack do local section = line.section_stack[i] if not section.expanded then return false end end return true end function log_browser.left_margin(State, line) return State.left + #line.section_stack*Section_border_padding_horizontal end function log_browser.right_margin(State, line) return State.right - #line.section_stack*Section_border_padding_horizontal end function log_browser.update(State, dt) end function log_browser.quit(State) end function log_browser.mouse_pressed(State, x,y, mouse_button) local line_index = log_browser.line_index(State, x,y) if line_index == nil then -- below lower margin return end -- leave some space to click without focusing local line = State.lines[line_index] local xleft = log_browser.left_margin(State, line) local xright = log_browser.right_margin(State, line) if x < xleft or x > xright then return end -- if it's a section begin/end and the section is collapsed, expand it -- TODO: how to collapse? if line.section_begin or line.section_end then -- HACK: get section reference from next/previous line local new_section if line.section_begin then if line_index < #State.lines then local next_section_stack = State.lines[line_index+1].section_stack if next_section_stack then new_section = next_section_stack[#next_section_stack] end end elseif line.section_end then if line_index > 1 then local previous_section_stack = State.lines[line_index-1].section_stack if previous_section_stack then new_section = previous_section_stack[#previous_section_stack] end end end if new_section and new_section.expanded == nil then new_section.expanded = true return end end -- open appropriate file in source side if line.filename ~= Editor_state.filename then source.switch_to_file(line.filename) end -- set cursor Editor_state.cursor1 = {line=line.line_number, pos=1, posB=nil} -- make sure it's visible -- TODO: handle extremely long lines Editor_state.screen_top1.line = math.max(0, Editor_state.cursor1.line-5) -- show cursor Focus = 'edit' -- expand B side Editor_state.expanded = true end function log_browser.line_index(State, mx,my) -- duplicate some logic from log_browser.draw local y = State.top for line_index = State.screen_top1.line,#State.lines do local line = State.lines[line_index] if should_show(line) then y = y + log_browser.height(State, line_index) if my < y then return line_index end if y > App.screen.height then break end end end end function log_browser.mouse_released(State, x,y, mouse_button) end function log_browser.textinput(State, t) end function log_browser.keychord_pressed(State, chord, key) -- move if chord == 'up' then while State.screen_top1.line > 1 do State.screen_top1.line = State.screen_top1.line-1 if should_show(State.lines[State.screen_top1.line]) then break end end elseif chord == 'down' then while State.screen_top1.line < #State.lines do State.screen_top1.line = State.screen_top1.line+1 if should_show(State.lines[State.screen_top1.line]) then break end end elseif chord == 'pageup' then local y = 0 while State.screen_top1.line > 1 and y < App.screen.height - 100 do State.screen_top1.line = State.screen_top1.line - 1 if should_show(State.lines[State.screen_top1.line]) then y = y + log_browser.height(State, State.screen_top1.line) end end elseif chord == 'pagedown' then local y = 0 while State.screen_top1.line < #State.lines and y < App.screen.height - 100 do if should_show(State.lines[State.screen_top1.line]) then y = y + log_browser.height(State, State.screen_top1.line) end State.screen_top1.line = State.screen_top1.line + 1 end end end function log_browser.height(State, line_index) local line = State.lines[line_index] if line.data == nil then -- section header return State.line_height elseif type(line.data) == 'string' then return State.line_height else if line.height == nil then --? print('nil line height! rendering off screen to calculate') line.height = log_render[line.data.name](line.data, State.left, App.screen.height, State.right-State.left) end return line.height end end function log_browser.keyreleased(State, key, scancode) end


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