326 lines
10 KiB
Lua
326 lines
10 KiB
Lua
-- Entrypoint for the app. You can edit this file from within the app if
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-- you're careful.
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-- files that come with LÖVE; we can't edit those from within the app
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utf8 = require 'utf8'
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function load_file_from_source_or_save_directory(filename)
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local contents = love.filesystem.read(filename)
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local code, err = loadstring(contents, filename)
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if code == nil then
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error(err)
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end
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return code()
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end
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json = load_file_from_source_or_save_directory('json.lua')
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load_file_from_source_or_save_directory('app.lua')
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load_file_from_source_or_save_directory('test.lua')
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load_file_from_source_or_save_directory('keychord.lua')
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load_file_from_source_or_save_directory('button.lua')
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-- both sides require (different parts of) the logging framework
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load_file_from_source_or_save_directory('log.lua')
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-- both sides use drawings
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load_file_from_source_or_save_directory('icons.lua')
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load_file_from_source_or_save_directory('drawing.lua')
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load_file_from_source_or_save_directory('geom.lua')
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load_file_from_source_or_save_directory('help.lua')
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load_file_from_source_or_save_directory('drawing_tests.lua')
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-- but some files we want to only load sometimes
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function App.load()
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log_new('session')
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if love.filesystem.getInfo('config') then
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Settings = json.decode(love.filesystem.read('config'))
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Current_app = Settings.current_app
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end
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if Current_app == nil then
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Current_app = 'run'
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end
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if Current_app == 'run' then
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load_file_from_source_or_save_directory('file.lua')
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load_file_from_source_or_save_directory('run.lua')
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load_file_from_source_or_save_directory('edit.lua')
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load_file_from_source_or_save_directory('text.lua')
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load_file_from_source_or_save_directory('search.lua')
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load_file_from_source_or_save_directory('select.lua')
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load_file_from_source_or_save_directory('undo.lua')
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load_file_from_source_or_save_directory('text_tests.lua')
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load_file_from_source_or_save_directory('run_tests.lua')
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elseif Current_app == 'source' then
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load_file_from_source_or_save_directory('source_file.lua')
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load_file_from_source_or_save_directory('source.lua')
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load_file_from_source_or_save_directory('commands.lua')
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load_file_from_source_or_save_directory('source_edit.lua')
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load_file_from_source_or_save_directory('log_browser.lua')
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load_file_from_source_or_save_directory('source_text.lua')
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load_file_from_source_or_save_directory('search.lua')
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load_file_from_source_or_save_directory('source_select.lua')
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load_file_from_source_or_save_directory('source_undo.lua')
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load_file_from_source_or_save_directory('colorize.lua')
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load_file_from_source_or_save_directory('source_text_tests.lua')
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load_file_from_source_or_save_directory('source_tests.lua')
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.version_check()
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-- available modes: run, error
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Error_message = nil
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Error_count = 0
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-- we'll reuse error mode on load for an initial version check
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local supported_versions = {'11.4', '12.0'} -- put the recommended version first
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local minor_version
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Major_version, minor_version = love.getVersion()
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Version = Major_version..'.'..minor_version
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if array.find(supported_versions, Version) == nil then
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Current_app = 'error'
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Error_message = ("This app doesn't support version %s; please use version %s. Press any key to try it with this version anyway."):format(Version, supported_versions[1])
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print(Error_message)
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-- continue initializing everything; hopefully we won't have errors during initialization
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end
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end
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function App.initialize_globals()
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if Current_app == 'run' then
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run.initialize_globals()
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elseif Current_app == 'source' then
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source.initialize_globals()
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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-- for hysteresis in a few places
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Current_time = 0
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Last_focus_time = 0 -- https://love2d.org/forums/viewtopic.php?p=249700
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Last_resize_time = 0
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end
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function App.initialize(arg)
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love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
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love.keyboard.setKeyRepeat(true)
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love.graphics.setBackgroundColor(1,1,1)
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if Current_app == 'run' then
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run.initialize(arg)
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elseif Current_app == 'source' then
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source.initialize(arg)
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.resize(w,h)
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if Current_app == 'run' then
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if run.resize then run.resize(w,h) end
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elseif Current_app == 'source' then
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if source.resize then source.resize(w,h) end
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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Last_resize_time = Current_time
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end
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function App.filedropped(file)
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if Current_app == 'run' then
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if run.file_drop then run.file_drop(file) end
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elseif Current_app == 'source' then
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if source.file_drop then source.file_drop(file) end
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.focus(in_focus)
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if in_focus then
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Last_focus_time = Current_time
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end
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if Current_app == 'run' then
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if run.focus then run.focus(in_focus) end
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elseif Current_app == 'source' then
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if source.focus then source.focus(in_focus) end
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.draw()
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if Current_app == 'run' then
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run.draw()
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elseif Current_app == 'source' then
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source.draw()
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elseif Current_app == 'error' then
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love.graphics.setColor(0,0,1)
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love.graphics.rectangle('fill', 0,0, App.screen.width, App.screen.height)
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love.graphics.setColor(1,1,1)
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love.graphics.printf(Error_message, 40,40, 600)
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.update(dt)
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Current_time = Current_time + dt
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-- some hysteresis while resizing
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if Current_time < Last_resize_time + 0.1 then
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return
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end
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--
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if Current_app == 'run' then
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run.update(dt)
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elseif Current_app == 'source' then
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source.update(dt)
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.keychord_press(chord, key)
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-- ignore events for some time after window in focus (mostly alt-tab)
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if Current_time < Last_focus_time + 0.01 then
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return
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end
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--
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if Current_app == 'error' then
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if chord == 'C-c' then
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love.system.setClipboardText(Error_message)
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end
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return
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end
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if chord == 'C-e' then
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-- carefully save settings
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if Current_app == 'run' then
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local source_settings = Settings.source
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Settings = run.settings()
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Settings.source = source_settings
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if run.quit then run.quit() end
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Current_app = 'source'
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-- preserve any Error_message when going from run to source
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elseif Current_app == 'source' then
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Settings.source = source.settings()
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if source.quit then source.quit() end
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Current_app = 'run'
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Error_message = nil
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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Settings.current_app = Current_app
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love.filesystem.write('config', json.encode(Settings))
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-- reboot
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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 Current_app == 'run' then
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if run.keychord_press then run.keychord_press(chord, key) end
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elseif Current_app == 'source' then
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if source.keychord_press then source.keychord_press(chord, key) end
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elseif Current_app == 'error' then
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.textinput(t)
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if Current_app == 'error' then return end
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-- ignore events for some time after window in focus (mostly alt-tab)
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if Current_time < Last_focus_time + 0.01 then
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return
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end
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--
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if Current_app == 'run' then
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if run.text_input then run.text_input(t) end
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elseif Current_app == 'source' then
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if source.text_input then source.text_input(t) end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.keyreleased(key, scancode)
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if Current_app == 'error' then return end
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-- ignore events for some time after window in focus (mostly alt-tab)
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if Current_time < Last_focus_time + 0.01 then
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return
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end
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--
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if Current_app == 'run' then
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if run.key_release then run.key_release(key, scancode) end
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elseif Current_app == 'source' then
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if source.key_release then source.key_release(key, scancode) end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.mousepressed(x,y, mouse_button)
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if Current_app == 'error' then return end
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--? print('mouse press', x,y)
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if Current_app == 'run' then
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if run.mouse_press then run.mouse_press(x,y, mouse_button) end
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elseif Current_app == 'source' then
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if source.mouse_press then source.mouse_press(x,y, mouse_button) end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.mousereleased(x,y, mouse_button)
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if Current_app == 'error' then return end
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if Current_app == 'run' then
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if run.mouse_release then run.mouse_release(x,y, mouse_button) end
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elseif Current_app == 'source' then
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if source.mouse_release then source.mouse_release(x,y, mouse_button) end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function App.wheelmoved(dx,dy)
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if Current_app == 'error' then return end
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if Current_app == 'run' then
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if run.mouse_wheel_move then run.mouse_wheel_move(dx,dy) end
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elseif Current_app == 'source' then
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if source.mouse_wheel_move then source.mouse_wheel_move(dx,dy) end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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function love.quit()
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if Current_app == 'error' then return end
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if Current_app == 'run' then
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local source_settings = Settings.source
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Settings = run.settings()
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Settings.source = source_settings
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else
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Settings.source = source.settings()
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end
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Settings.current_app = Current_app
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love.filesystem.write('config', json.encode(Settings))
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if Current_app == 'run' then
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if run.quit then run.quit() end
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elseif Current_app == 'source' then
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if source.quit then source.quit() end
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else
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assert(false, 'unknown app "'..Current_app..'"')
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end
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end
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