401 lines
13 KiB
Lua
401 lines
13 KiB
Lua
source = {}
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Editor_state = {}
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Line_number_width = 3 -- in ems
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-- called both in tests and real run
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function source.initialize_globals()
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-- tests currently mostly clear their own state
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Show_log_browser_side = false
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Focus = 'edit'
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Show_file_navigator = false
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File_navigation = {
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all_candidates = {
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'run',
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'run_tests',
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'log',
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'edit',
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'drawing',
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'help',
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'text',
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'search',
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'select',
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'undo',
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'text_tests',
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'geom',
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'drawing_tests',
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'file',
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'source',
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'source_tests',
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'commands',
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'log_browser',
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'source_edit',
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'source_text',
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'source_undo',
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'colorize',
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'source_text_tests',
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'source_file',
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'main',
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'button',
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'keychord',
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'app',
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'test',
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'json',
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},
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index = 1,
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filter = '',
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cursors = {}, -- filename to cursor1, screen_top1
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}
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File_navigation.candidates = File_navigation.all_candidates -- modified with filter
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Menu_status_bar_height = 5 + --[[line height in tests]] 15 + 5
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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 source.initialize()
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log_new('source')
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if Settings and Settings.source then
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source.load_settings()
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else
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source.initialize_default_settings()
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end
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source.initialize_edit_side()
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source.initialize_log_browser_side()
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Menu_status_bar_height = 5 + Editor_state.line_height + 5
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Editor_state.top = Editor_state.top + Menu_status_bar_height
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Log_browser_state.top = Log_browser_state.top + Menu_status_bar_height
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-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
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love.window.setTitle('lines.love - source - '..Editor_state.filename)
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end
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-- environment for a mutable file
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-- TODO: some initialization is also happening in load_settings/initialize_default_settings. Clean that up.
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function source.initialize_edit_side()
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load_from_disk(Editor_state)
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Text.redraw_all(Editor_state)
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if File_navigation.cursors[Editor_state.filename] then
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Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
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Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
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else
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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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end
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edit.check_locs(Editor_state)
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if Editor_state.cursor1.line > #Editor_state.lines then
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Editor_state.cursor1 = {line=1, pos=1}
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end
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if Editor_state.screen_top1.line > #Editor_state.lines then
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Editor_state.screen_top1 = {line=1, pos=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 source.load_settings()
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local settings = Settings.source
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love.graphics.setFont(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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source.set_window_position_from_settings(settings)
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Show_log_browser_side = settings.show_log_browser_side
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local right = App.screen.width - Margin_right
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if Show_log_browser_side then
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right = App.screen.width/2 - Margin_right
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end
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*App.width('m'), right, 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.filename = basename(Editor_state.filename) -- migrate settings that used full paths; we now support only relative paths within the app
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if settings.cursors then
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File_navigation.cursors = settings.cursors
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Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
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Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
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else
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-- migrate old settings
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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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end
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end
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function source.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 source.initialize_default_settings()
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local font_height = 20
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love.graphics.setFont(love.graphics.newFont(font_height))
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source.initialize_window_geometry()
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*App.width('m'), App.screen.width-Margin_right)
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Editor_state.filename = 'run.lua'
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Editor_state.font_height = font_height
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Editor_state.line_height = math.floor(font_height*1.3)
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end
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function source.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 source.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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if Show_log_browser_side then
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Editor_state.right = App.screen.width/2 - Margin_right
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else
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Editor_state.right = App.screen.width-Margin_right
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end
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Log_browser_state.left = App.screen.width/2 + Margin_right
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Log_browser_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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--? print('end resize')
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end
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function source.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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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('lines.love - source')
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end
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-- a copy of source.file_drop when given a filename
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function source.switch_to_file(filename)
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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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-- save cursor position
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File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
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-- clear the slate for the new file
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Editor_state.filename = filename
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load_from_disk(Editor_state)
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Text.redraw_all(Editor_state)
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if File_navigation.cursors[filename] then
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Editor_state.screen_top1 = File_navigation.cursors[filename].screen_top1
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Editor_state.cursor1 = File_navigation.cursors[filename].cursor1
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else
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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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end
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end
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function source.draw()
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edit.draw(Editor_state, --[[hide cursor?]] Show_file_navigator, --[[show line numbers]] true)
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if Show_log_browser_side then
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-- divider
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App.color(Divider_color)
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love.graphics.rectangle('fill', App.screen.width/2-1,Menu_status_bar_height, 3,App.screen.height)
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--
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log_browser.draw(Log_browser_state, --[[hide_cursor]] Focus ~= 'log_browser')
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end
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source.draw_menu_bar()
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if Error_message then
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local height = math.min(20*Editor_state.line_height, App.screen.height*0.2)
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App.color{r=0.8,g=0,b=0}
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love.graphics.rectangle('fill', 150, App.screen.height - height-10, App.screen.width, height+10)
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App.color{r=0,g=0,b=0}
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love.graphics.print(Error_message, 150+10, App.screen.height - height)
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end
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end
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function source.update(dt)
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Cursor_time = Cursor_time + dt
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if App.mouse_x() < Editor_state.right then
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edit.update(Editor_state, dt)
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elseif Show_log_browser_side then
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log_browser.update(Log_browser_state, dt)
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end
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end
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function source.quit()
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edit.quit(Editor_state)
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log_browser.quit(Log_browser_state)
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end
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function source.settings()
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if Settings == nil then Settings = {} end
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if Settings.source == nil then Settings.source = {} end
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Settings.source.x, Settings.source.y, Settings.source.displayindex = App.screen.position()
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File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
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return {
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x=Settings.source.x, y=Settings.source.y, displayindex=Settings.source.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=Editor_state.filename,
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cursors=File_navigation.cursors,
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show_log_browser_side=Show_log_browser_side,
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focus=Focus,
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}
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end
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function source.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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--? print('mouse click', x, y)
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--? print(Editor_state.left, Editor_state.right)
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--? print(Log_browser_state.left, Log_browser_state.right)
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if Show_file_navigator and y < Menu_status_bar_height + File_navigation.num_lines * Editor_state.line_height then
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-- send click to buttons
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edit.mouse_press(Editor_state, x,y, mouse_button)
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return
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end
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if x < Editor_state.right + Margin_right then
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--? print('click on edit side')
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if Focus ~= 'edit' then
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Focus = 'edit'
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return
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end
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edit.mouse_press(Editor_state, x,y, mouse_button)
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elseif Show_log_browser_side and Log_browser_state.left <= x and x < Log_browser_state.right then
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--? print('click on log_browser side')
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if Focus ~= 'log_browser' then
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Focus = 'log_browser'
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return
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end
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log_browser.mouse_press(Log_browser_state, x,y, mouse_button)
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for _,line_cache in ipairs(Editor_state.line_cache) do line_cache.starty = nil end -- just in case we scroll
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end
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end
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function source.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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if Focus == 'edit' then
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return edit.mouse_release(Editor_state, x,y, mouse_button)
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else
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return log_browser.mouse_release(Log_browser_state, x,y, mouse_button)
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end
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end
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function source.mouse_wheel_move(dx,dy)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if Focus == 'edit' then
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return edit.mouse_wheel_move(Editor_state, dx,dy)
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else
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return log_browser.mouse_wheel_move(Log_browser_state, dx,dy)
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end
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end
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function source.text_input(t)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if Show_file_navigator then
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text_input_on_file_navigator(t)
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return
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end
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if Focus == 'edit' then
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return edit.text_input(Editor_state, t)
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else
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return log_browser.text_input(Log_browser_state, t)
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end
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end
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function source.keychord_press(chord, key)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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--? print('source keychord')
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if Show_file_navigator then
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keychord_press_on_file_navigator(chord, key)
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return
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end
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if chord == 'C-l' then
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--? print('C-l')
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Show_log_browser_side = not Show_log_browser_side
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if Show_log_browser_side then
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Editor_state.right = App.screen.width/2 - Margin_right
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Editor_state.width = Editor_state.right-Editor_state.left
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Text.redraw_all(Editor_state)
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Log_browser_state.left = App.screen.width/2 + Margin_left
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Log_browser_state.right = App.screen.width - Margin_right
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else
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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.redraw_all(Editor_state)
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end
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return
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end
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if chord == 'C-k' then
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-- clear logs
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love.filesystem.remove('log')
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-- restart to reload state of logs on screen
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Settings.source = source.settings()
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source.quit()
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love.filesystem.write('config', json.encode(Settings))
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load_file_from_source_or_save_directory('main.lua')
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App.undo_initialize()
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App.run_tests_and_initialize()
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return
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end
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if chord == 'C-g' then
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Show_file_navigator = true
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return
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end
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if Focus == 'edit' then
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return edit.keychord_press(Editor_state, chord, key)
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else
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return log_browser.keychord_press(Log_browser_state, chord, key)
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end
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end
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function source.key_release(key, scancode)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if Focus == 'edit' then
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return edit.key_release(Editor_state, key, scancode)
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else
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return log_browser.keychord_press(Log_browser_state, chordkey, scancode)
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end
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end
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