202 lines
6.0 KiB
Lua
202 lines
6.0 KiB
Lua
run = {}
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Editor_state = {}
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-- called both in tests and real run
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function run.initialize_globals()
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-- tests currently mostly clear their own state
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-- blinking cursor
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Cursor_time = 0
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end
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-- called only for real run
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function run.initialize(arg)
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log_new('run')
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if Settings then
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run.load_settings()
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else
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run.initialize_default_settings()
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end
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if #arg > 0 and Editor_state.filename ~= absolutize(arg[1]) then
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Editor_state.filename = arg[1]
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load_from_disk(Editor_state)
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Text.redraw_all(Editor_state)
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.cursor1 = {line=1, pos=1}
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else
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load_from_disk(Editor_state)
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Text.redraw_all(Editor_state)
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end
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edit.check_locs(Editor_state)
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-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
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love.window.setTitle('text.love - '..Editor_state.filename)
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if #arg > 1 then
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print('ignoring commandline args after '..arg[1])
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end
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if rawget(_G, 'jit') then
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jit.off()
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jit.flush()
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end
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end
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function print_and_log(s)
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print(s)
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log(3, s)
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end
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function run.load_settings()
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local font = love.graphics.newFont(Settings.font_height)
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-- set up desired window dimensions and make window resizable
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_, _, App.screen.flags = App.screen.size()
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App.screen.flags.resizable = true
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App.screen.width, App.screen.height = Settings.width, Settings.height
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App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
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run.set_window_position_from_settings(Settings)
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width-Margin_right, font, Settings.font_height, math.floor(Settings.font_height*1.3))
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Editor_state.filename = Settings.filename
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Editor_state.screen_top1 = Settings.screen_top
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Editor_state.cursor1 = Settings.cursor
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end
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function run.set_window_position_from_settings(settings)
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local os = love.system.getOS()
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if os == 'Linux' then
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-- love.window.setPosition doesn't quite seem to do what is asked of it on Linux.
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App.screen.move(settings.x, settings.y-37, settings.displayindex)
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else
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App.screen.move(settings.x, settings.y, settings.displayindex)
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end
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end
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function run.initialize_default_settings()
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local font_height = 20
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local font = love.graphics.newFont(font_height)
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run.initialize_window_geometry()
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width-Margin_right, font, font_height, math.floor(font_height*1.3))
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Settings = run.settings()
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end
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function run.initialize_window_geometry()
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-- Initialize window width/height and make window resizable.
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--
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-- I get tempted to have opinions about window dimensions here, but they're
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-- non-portable:
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-- - maximizing doesn't work on mobile and messes things up
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-- - maximizing keeps the title bar on screen in Linux, but off screen on
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-- Windows. And there's no way to get the height of the title bar.
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-- It seems more robust to just follow LÖVE's default window size until
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-- someone overrides it.
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App.screen.width, App.screen.height, App.screen.flags = App.screen.size()
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App.screen.flags.resizable = true
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App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
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end
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function run.resize(w, h)
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--? print(("Window resized to width: %d and height: %d."):format(w, h))
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App.screen.width, App.screen.height = w, h
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Text.redraw_all(Editor_state)
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Editor_state.selection1 = {} -- no support for shift drag while we're resizing
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Editor_state.right = App.screen.width-Margin_right
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Editor_state.width = Editor_state.right-Editor_state.left
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Text.tweak_screen_top_and_cursor(Editor_state, Editor_state.left, Editor_state.right)
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end
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function run.file_drop(file)
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-- first make sure to save edits on any existing file
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if Editor_state.next_save then
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save_to_disk(Editor_state)
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end
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-- clear the slate for the new file
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App.initialize_globals()
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Editor_state.filename = file:getFilename()
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file:open('r')
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Editor_state.lines = load_from_file(file)
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file:close()
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Text.redraw_all(Editor_state)
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.cursor1 = {line=1, pos=1}
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-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
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love.window.setTitle('text.love - '..Editor_state.filename)
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end
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function run.draw()
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edit.draw(Editor_state)
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end
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function run.update(dt)
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Cursor_time = Cursor_time + dt
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edit.update(Editor_state, dt)
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end
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function run.quit()
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edit.quit(Editor_state)
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end
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function run.settings()
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if Settings == nil then Settings = {} end
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Settings.x, Settings.y, Settings.displayindex = App.screen.position()
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return {
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x=Settings.x, y=Settings.y, displayindex=Settings.displayindex,
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width=App.screen.width, height=App.screen.height,
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font_height=Editor_state.font_height,
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filename=absolutize(Editor_state.filename),
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screen_top=Editor_state.screen_top1, cursor=Editor_state.cursor1
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}
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end
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function absolutize(path)
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if is_relative_path(path) then
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return App.current_dir..path
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end
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return path
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end
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function run.mouse_press(x,y, mouse_button)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.mouse_press(Editor_state, x,y, mouse_button)
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end
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function run.mouse_release(x,y, mouse_button)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.mouse_release(Editor_state, x,y, mouse_button)
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end
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function run.mouse_wheel_move(dx,dy)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.mouse_wheel_move(Editor_state, dx,dy)
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end
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function run.text_input(t)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.text_input(Editor_state, t)
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end
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function run.keychord_press(chord, key)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.keychord_press(Editor_state, chord, key)
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end
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function run.key_release(key, scancode)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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return edit.key_release(Editor_state, key, scancode)
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end
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function width(s)
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return love.graphics.getFont():getWidth(s)
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end
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