183 lines
5.1 KiB
Lua
183 lines
5.1 KiB
Lua
utf8 = require 'utf8'
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json = require 'json'
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require 'app'
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require 'test'
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require 'live'
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require 'keychord'
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require 'button'
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-- delegate most business logic to a layer that can be reused by other projects
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require 'edit'
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Editor_state = {}
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-- called both in tests and real run
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function App.initialize_globals()
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-- tests currently mostly clear their own state
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-- a few text objects we can avoid recomputing unless the font changes
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Text_cache = {}
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-- blinking cursor
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Cursor_time = 0
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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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-- called only for real run
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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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Editor_state = nil -- not used outside editor tests
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love.graphics.setBackgroundColor(1,1,1)
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live.initialize(arg)
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load_settings()
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-- TODO: app-specific stuff goes here
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love.window.setTitle('TODO')
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if on.initialize then on.initialize(arg) 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 love.quit()
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if on.quit then on.quit() end
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love.filesystem.write('config', json.encode(settings()))
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end
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function settings()
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local x, y, displayindex = App.screen.position()
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return {
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x=x, y=y, displayindex=displayindex,
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width=App.screen.width, height=App.screen.height,
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app = on.save_settings and on.save_settings(),
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}
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end
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function load_settings()
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if love.filesystem.getInfo('config') then
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local settings = json.decode(love.filesystem.read('config'))
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local width, height, flags = love.window.getMode()
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flags.resizable = true
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flags.minwidth = math.min(width, 200)
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flags.minheight = math.min(height, 200)
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App.screen.flags = flags
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App.screen.width = settings.width
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App.screen.height = settings.height
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love.window.setMode(App.screen.width, App.screen.height, App.screen.flags)
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love.window.setPosition(settings.x, settings.y, settings.displayindex)
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if on.load_settings then on.load_settings(settings.app) end
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else
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local font_height = 20
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love.graphics.setFont(love.graphics.newFont(font_height))
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-- maximize window
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love.window.setMode(0, 0) -- maximize
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App.screen.width, App.screen.height, App.screen.flags = love.window.getMode()
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-- shrink height slightly to account for window decoration
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App.screen.height = App.screen.height-100
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App.screen.width = 40*App.width(App.newText(love.graphics.getFont(), 'm'))
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App.screen.flags.resizable = true
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App.screen.flags.minwidth = math.min(App.screen.width, 200)
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App.screen.flags.minheight = math.min(App.screen.height, 200)
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love.window.setMode(App.screen.width, App.screen.height, App.screen.flags)
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if on.load_settings then on.load_settings() end
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end
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end
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function App.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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Last_resize_time = Current_time
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if on.resize then on.resize(w,h) end
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end
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function App.filedropped(file)
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if on.file_drop then on.file_drop(file) end
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end
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function App.draw()
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if on.draw then on.draw() 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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Cursor_time = Cursor_time + dt
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live.update(dt)
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if on.update then on.update(dt) end
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end
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function App.mousepressed(x,y, mouse_button)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if on.mouse_press then on.mouse_press(x,y, mouse_button) end
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end
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function App.mousereleased(x,y, mouse_button)
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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if on.mouse_release then on.mouse_release(x,y, mouse_button) 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 in_focus then
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love.graphics.setBackgroundColor(1,1,1)
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else
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love.graphics.setBackgroundColor(0.8,0.8,0.8)
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end
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if on.focus then on.focus(in_focus) end
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end
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-- App.keypressed is defined in keychord.lua
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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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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if on.keychord_press then on.keychord_press(chord, key) end
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end
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function App.textinput(t)
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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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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if on.text_input then on.text_input(t) end
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end
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function App.keyreleased(key, scancode)
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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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Cursor_time = 0 -- ensure cursor is visible immediately after it moves
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if on.key_release then on.key_release(key, scancode) end
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end
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-- use this sparingly
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function to_text(s)
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if Text_cache[s] == nil then
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Text_cache[s] = App.newText(love.graphics.getFont(), s)
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end
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return Text_cache[s]
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end
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