source = {} Editor_state = {} Line_number_width = 3 -- in ems -- called both in tests and real run function source.initialize_globals() -- tests currently mostly clear their own state Show_log_browser_side = false Focus = 'edit' Show_file_navigator = false File_navigation = { all_candidates = { 'run', 'run_tests', 'log', 'edit', 'drawing', 'help', 'text', 'search', 'select', 'undo', 'text_tests', 'geom', 'drawing_tests', 'file', 'source', 'source_tests', 'commands', 'log_browser', 'source_edit', 'source_text', 'source_undo', 'colorize', 'source_text_tests', 'source_file', 'main', 'button', 'keychord', 'app', 'test', 'json', }, index = 1, filter = '', cursors = {}, -- filename to cursor1, screen_top1 } File_navigation.candidates = File_navigation.all_candidates -- modified with filter Menu_status_bar_height = 5 + --[[line height in tests]] 15 + 5 -- blinking cursor Cursor_time = 0 end -- called only for real run function source.initialize() log_new('source') if Settings and Settings.source then source.load_settings() else source.initialize_default_settings() end source.initialize_edit_side() source.initialize_log_browser_side() Menu_status_bar_height = 5 + Editor_state.line_height + 5 Editor_state.top = Editor_state.top + Menu_status_bar_height Log_browser_state.top = Log_browser_state.top + Menu_status_bar_height -- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708 love.window.setTitle('lines.love - source - '..Editor_state.filename) end -- environment for a mutable file -- TODO: some initialization is also happening in load_settings/initialize_default_settings. Clean that up. function source.initialize_edit_side() load_from_disk(Editor_state) Text.redraw_all(Editor_state) if File_navigation.cursors[Editor_state.filename] then Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1 Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1 else Editor_state.screen_top1 = {line=1, pos=1} Editor_state.cursor1 = {line=1, pos=1} end edit.check_locs(Editor_state) if Editor_state.cursor1.line > #Editor_state.lines then Editor_state.cursor1 = {line=1, pos=1} end if Editor_state.screen_top1.line > #Editor_state.lines then Editor_state.screen_top1 = {line=1, pos=1} end if rawget(_G, 'jit') then jit.off() jit.flush() end end function print_and_log(s) print(s) log(3, s) end function source.load_settings() local settings = Settings.source local font = love.graphics.newFont(settings.font_height) -- set up desired window dimensions and make window resizable _, _, App.screen.flags = App.screen.size() App.screen.flags.resizable = true App.screen.width, App.screen.height = settings.width, settings.height App.screen.resize(App.screen.width, App.screen.height, App.screen.flags) source.set_window_position_from_settings(settings) Show_log_browser_side = settings.show_log_browser_side local right = App.screen.width - Margin_right if Show_log_browser_side then right = App.screen.width/2 - Margin_right end Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), right, font, settings.font_height, math.floor(settings.font_height*1.3)) Editor_state.filename = settings.filename Editor_state.filename = basename(Editor_state.filename) -- migrate settings that used full paths; we now support only relative paths within the app if settings.cursors then File_navigation.cursors = settings.cursors Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1 Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1 else -- migrate old settings Editor_state.screen_top1 = {line=1, pos=1} Editor_state.cursor1 = {line=1, pos=1} end end function source.set_window_position_from_settings(settings) local os = love.system.getOS() if os == 'Linux' then -- love.window.setPosition doesn't quite seem to do what is asked of it on Linux. App.screen.move(settings.x, settings.y-37, settings.displayindex) else App.screen.move(settings.x, settings.y, settings.displayindex) end end function source.initialize_default_settings() local font_height = 20 local font = love.graphics.newFont(font_height) source.initialize_window_geometry() Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), App.screen.width-Margin_right, font, font_height, math.floor(font_height*1.3)) Editor_state.filename = 'run.lua' end function source.initialize_window_geometry() -- Initialize window width/height and make window resizable. -- -- I get tempted to have opinions about window dimensions here, but they're -- non-portable: -- - maximizing doesn't work on mobile and messes things up -- - maximizing keeps the title bar on screen in Linux, but off screen on -- Windows. And there's no way to get the height of the title bar. -- It seems more robust to just follow LÖVE's default window size until -- someone overrides it. App.screen.width, App.screen.height, App.screen.flags = App.screen.size() App.screen.flags.resizable = true App.screen.resize(App.screen.width, App.screen.height, App.screen.flags) end function source.resize(w, h) --? print(("Window resized to width: %d and height: %d."):format(w, h)) App.screen.width, App.screen.height = w, h Text.redraw_all(Editor_state) Editor_state.selection1 = {} -- no support for shift drag while we're resizing if Show_log_browser_side then Editor_state.right = App.screen.width/2 - Margin_right else Editor_state.right = App.screen.width-Margin_right end Log_browser_state.left = App.screen.width/2 + Margin_right Log_browser_state.right = App.screen.width-Margin_right Editor_state.width = Editor_state.right-Editor_state.left Text.tweak_screen_top_and_cursor(Editor_state, Editor_state.left, Editor_state.right) --? print('end resize') end function source.file_drop(file) -- first make sure to save edits on any existing file if Editor_state.next_save then save_to_disk(Editor_state) end -- clear the slate for the new file Editor_state.filename = file:getFilename() file:open('r') Editor_state.lines = load_from_file(file) file:close() Text.redraw_all(Editor_state) Editor_state.screen_top1 = {line=1, pos=1} Editor_state.cursor1 = {line=1, pos=1} -- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708 love.window.setTitle('lines.love - source') end -- a copy of source.file_drop when given a filename function source.switch_to_file(filename) -- first make sure to save edits on any existing file if Editor_state.next_save then save_to_disk(Editor_state) end -- save cursor position File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1} -- clear the slate for the new file Editor_state.filename = filename load_from_disk(Editor_state) Text.redraw_all(Editor_state) if File_navigation.cursors[filename] then Editor_state.screen_top1 = File_navigation.cursors[filename].screen_top1 Editor_state.cursor1 = File_navigation.cursors[filename].cursor1 else Editor_state.screen_top1 = {line=1, pos=1} Editor_state.cursor1 = {line=1, pos=1} end end function source.draw() edit.draw(Editor_state, --[[hide cursor?]] Show_file_navigator, --[[show line numbers]] true) if Show_log_browser_side then -- divider App.color(Divider_color) love.graphics.rectangle('fill', App.screen.width/2-1,Menu_status_bar_height, 3,App.screen.height) -- log_browser.draw(Log_browser_state, --[[hide_cursor]] Focus ~= 'log_browser') end source.draw_menu_bar() if Error_message then local height = math.min(20*Editor_state.line_height, App.screen.height*0.2) App.color{r=0.8,g=0,b=0} love.graphics.rectangle('fill', 150, App.screen.height - height-10, App.screen.width, height+10) App.color{r=0,g=0,b=0} love.graphics.print(Error_message, 150+10, App.screen.height - height) end end function source.update(dt) Cursor_time = Cursor_time + dt if App.mouse_x() < Editor_state.right then edit.update(Editor_state, dt) elseif Show_log_browser_side then log_browser.update(Log_browser_state, dt) end end function source.quit() edit.quit(Editor_state) log_browser.quit(Log_browser_state) end function source.settings() if Settings == nil then Settings = {} end if Settings.source == nil then Settings.source = {} end Settings.source.x, Settings.source.y, Settings.source.displayindex = App.screen.position() File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1} return { x=Settings.source.x, y=Settings.source.y, displayindex=Settings.source.displayindex, width=App.screen.width, height=App.screen.height, font_height=Editor_state.font_height, filename=Editor_state.filename, cursors=File_navigation.cursors, show_log_browser_side=Show_log_browser_side, focus=Focus, } end function source.mouse_press(x,y, mouse_button) Cursor_time = 0 -- ensure cursor is visible immediately after it moves --? print('mouse click', x, y) --? print(Editor_state.left, Editor_state.right) --? print(Log_browser_state.left, Log_browser_state.right) if Show_file_navigator and y < Menu_status_bar_height + File_navigation.num_lines * Editor_state.line_height then -- send click to buttons edit.mouse_press(Editor_state, x,y, mouse_button) return end if x < Editor_state.right + Margin_right then --? print('click on edit side') if Focus ~= 'edit' then Focus = 'edit' return end edit.mouse_press(Editor_state, x,y, mouse_button) elseif Show_log_browser_side and Log_browser_state.left <= x and x < Log_browser_state.right then --? print('click on log_browser side') if Focus ~= 'log_browser' then Focus = 'log_browser' return end log_browser.mouse_press(Log_browser_state, x,y, mouse_button) end end function source.mouse_release(x,y, mouse_button) Cursor_time = 0 -- ensure cursor is visible immediately after it moves if Focus == 'edit' then return edit.mouse_release(Editor_state, x,y, mouse_button) else return log_browser.mouse_release(Log_browser_state, x,y, mouse_button) end end function source.mouse_wheel_move(dx,dy) Cursor_time = 0 -- ensure cursor is visible immediately after it moves if Focus == 'edit' then return edit.mouse_wheel_move(Editor_state, dx,dy) else return log_browser.mouse_wheel_move(Log_browser_state, dx,dy) end end function source.text_input(t) Cursor_time = 0 -- ensure cursor is visible immediately after it moves if Show_file_navigator then text_input_on_file_navigator(t) return end if Focus == 'edit' then return edit.text_input(Editor_state, t) else return log_browser.text_input(Log_browser_state, t) end end function source.keychord_press(chord, key) Cursor_time = 0 -- ensure cursor is visible immediately after it moves --? print('source keychord') if Show_file_navigator then keychord_press_on_file_navigator(chord, key) return end if chord == 'C-l' then --? print('C-l') Show_log_browser_side = not Show_log_browser_side if Show_log_browser_side then Editor_state.right = App.screen.width/2 - Margin_right Editor_state.width = Editor_state.right-Editor_state.left Text.redraw_all(Editor_state) Log_browser_state.left = App.screen.width/2 + Margin_left Log_browser_state.right = App.screen.width - Margin_right else Editor_state.right = App.screen.width - Margin_right Editor_state.width = Editor_state.right-Editor_state.left Text.redraw_all(Editor_state) end return end if chord == 'C-k' then -- clear logs love.filesystem.remove('log') -- restart to reload state of logs on screen Settings.source = source.settings() source.quit() love.filesystem.write('config', json.encode(Settings)) load_file_from_source_or_save_directory('main.lua') App.undo_initialize() App.run_tests_and_initialize() return end if chord == 'C-g' then Show_file_navigator = true return end if Focus == 'edit' then return edit.keychord_press(Editor_state, chord, key) else return log_browser.keychord_press(Log_browser_state, chord, key) end end function source.key_release(key, scancode) Cursor_time = 0 -- ensure cursor is visible immediately after it moves if Focus == 'edit' then return edit.key_release(Editor_state, key, scancode) else return log_browser.keychord_press(Log_browser_state, chordkey, scancode) end end