300 lines
9.0 KiB
Lua
300 lines
9.0 KiB
Lua
utf8 = require 'utf8'
|
|
json = require 'json'
|
|
|
|
OS = love.system.getOS()
|
|
|
|
require 'app'
|
|
require 'test'
|
|
require 'live'
|
|
|
|
require 'keychord'
|
|
require 'button'
|
|
require 'wav'
|
|
|
|
-- delegate most business logic to a layer that can be reused by other projects
|
|
require 'edit'
|
|
Editor_state = {}
|
|
|
|
-- called both in tests and real run
|
|
function App.initialize_globals()
|
|
Supported_versions = {'11.5', '11.4', '11.3', '11.2', '11.1', '11.0'} -- put the recommended version first
|
|
-- Available modes: run, error
|
|
if Mode == nil then -- might have already been initialized elsewhere
|
|
Mode = 'run'
|
|
end
|
|
Error_count = 0
|
|
|
|
-- tests currently mostly clear their own state
|
|
|
|
Line_number_width = 3 -- in ems
|
|
|
|
-- blinking cursor
|
|
Cursor_time = 0
|
|
|
|
-- for hysteresis in a few places
|
|
Current_time = 0
|
|
Last_focus_time = 0 -- https://love2d.org/forums/viewtopic.php?p=249700
|
|
Last_resize_time = 0
|
|
end
|
|
|
|
-- called only for real run
|
|
function App.initialize(arg)
|
|
love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
|
|
love.keyboard.setKeyRepeat(true)
|
|
|
|
Editor_state = nil -- not used outside editor tests
|
|
|
|
love.graphics.setBackgroundColor(1,1,1)
|
|
|
|
if love.filesystem.getInfo('config') and #love.filesystem.read('config') > 0 then
|
|
load_settings()
|
|
else
|
|
initialize_default_settings()
|
|
end
|
|
|
|
|
|
|
|
-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
|
|
-- setTitle moved to conf.lua
|
|
|
|
|
|
|
|
if on.initialize then on.initialize(arg) end
|
|
|
|
if rawget(_G, 'jit') then
|
|
jit.off()
|
|
jit.flush()
|
|
end
|
|
|
|
check_love_version()
|
|
end
|
|
|
|
function check_love_version()
|
|
-- we'll reuse error mode on load for an initial version check
|
|
if array.find(Supported_versions, Version) == nil then
|
|
Mode = 'error'
|
|
if Error_message == nil then Error_message = '' end
|
|
Error_message = ("This app hasn't been tested with LÖVE version %s; please use version %s if you run into errors. Press a key to try recovering.\n\n%s"):format(Version, Supported_versions[1], Error_message)
|
|
print(Error_message)
|
|
-- continue initializing everything; hopefully we won't have errors during initialization
|
|
end
|
|
end
|
|
|
|
function print_and_log(s)
|
|
print(s)
|
|
log(3, s)
|
|
end
|
|
|
|
function love.quit()
|
|
if on.quit then on.quit() end
|
|
love.filesystem.write('config', json.encode(settings()))
|
|
end
|
|
|
|
function restart()
|
|
if on.quit then on.quit() end
|
|
love.filesystem.write('config', json.encode(settings()))
|
|
load_settings()
|
|
if on.initialize then on.initialize() end
|
|
end
|
|
|
|
function settings()
|
|
local x, y, displayindex = App.screen.position()
|
|
return {
|
|
x=x, y=y, displayindex=displayindex,
|
|
width=App.screen.width, height=App.screen.height,
|
|
app = on.save_settings and on.save_settings(),
|
|
}
|
|
end
|
|
|
|
function load_settings()
|
|
local settings = json.decode(love.filesystem.read('config'))
|
|
-- 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)
|
|
set_window_position_from_settings(settings)
|
|
if on.load_settings then on.load_settings(settings.app) end
|
|
end
|
|
|
|
function set_window_position_from_settings(settings)
|
|
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 initialize_default_settings()
|
|
local font_height = 20
|
|
love.graphics.setFont(love.graphics.newFont(font_height))
|
|
initialize_window_geometry()
|
|
end
|
|
|
|
function 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)
|
|
App.screen.width = love.window.fromPixels(App.screen.width)
|
|
App.screen.height = love.window.fromPixels(App.screen.height)
|
|
end
|
|
|
|
function App.resize(w, h)
|
|
--? print(("Window resized to width: %d and height: %d."):format(w, h))
|
|
App.screen.width, App.screen.height = w, h
|
|
Last_resize_time = Current_time
|
|
if on.resize then on.resize(w,h) end
|
|
end
|
|
|
|
function App.draw()
|
|
if Mode == 'error' then
|
|
love.graphics.setColor(0,0,1)
|
|
love.graphics.rectangle('fill', 0,0, App.screen.width, App.screen.height)
|
|
love.graphics.setColor(1,1,1)
|
|
love.graphics.printf(Error_message, 40,40, 600)
|
|
return
|
|
end
|
|
if on.draw then on.draw() end
|
|
end
|
|
|
|
function App.update(dt)
|
|
Current_time = Current_time + dt
|
|
-- some hysteresis while resizing
|
|
if Current_time < Last_resize_time + 0.1 then
|
|
return
|
|
end
|
|
Cursor_time = Cursor_time + dt
|
|
-- listen for commands in both 'error' and 'run' modes
|
|
live.update(dt)
|
|
if Mode == 'run' then
|
|
if on.update then on.update(dt) end
|
|
end
|
|
end
|
|
|
|
function App.mousepressed(x,y, mouse_button)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.mouse_press then on.mouse_press(x,y, mouse_button) end
|
|
end
|
|
|
|
function App.mousereleased(x,y, mouse_button)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.mouse_release then on.mouse_release(x,y, mouse_button) end
|
|
end
|
|
|
|
function App.mousemoved(x,y, dx,dy, istouch)
|
|
if on.mouse_move then on.mouse_move(x,y, dx,dy, istouch) end
|
|
end
|
|
|
|
function App.wheelmoved(dx,dy)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.mouse_wheel_move then on.mouse_wheel_move(dx,dy) end
|
|
end
|
|
|
|
function App.mousefocus(in_focus)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.mouse_focus then on.mouse_focus(in_focus) end
|
|
end
|
|
|
|
function App.touchpressed(id, x,y, dx,dy, pressure)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.touch_press then on.touch_press(id, x,y, dx,dy, pressure) end
|
|
end
|
|
|
|
function App.touchreleased(id, x,y, dx,dy, pressure)
|
|
if Mode == 'error' then return end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.touch_release then on.touch_release(id, x,y, dx,dy, pressure) end
|
|
end
|
|
|
|
function App.touchmoved(id, x,y, dx,dy, pressure)
|
|
if on.touch_move then on.touch_move(id, x,y, dx,dy, pressure) end
|
|
end
|
|
|
|
function App.focus(in_focus)
|
|
if Mode == 'error' then return end
|
|
if in_focus then
|
|
Last_focus_time = Current_time
|
|
end
|
|
if in_focus then
|
|
love.graphics.setBackgroundColor(1,1,1)
|
|
else
|
|
love.graphics.setBackgroundColor(0.8,0.8,0.8)
|
|
end
|
|
if on.focus then on.focus(in_focus) end
|
|
end
|
|
|
|
-- App.keypressed is defined in keychord.lua
|
|
|
|
function App.keychord_press(chord, key)
|
|
if Mode == 'error' then
|
|
if chord == 'C-c' then
|
|
love.system.setClipboardText(Error_message)
|
|
end
|
|
return
|
|
end
|
|
if OS == 'iOS' then
|
|
love.keyboard.setTextInput(true) -- magic. iOS is prone to losing textinput events.
|
|
-- https://github.com/love2d/love/issues/1959
|
|
love.keyboard.setKeyRepeat(true)
|
|
end
|
|
-- ignore events for some time after window in focus (mostly alt-tab)
|
|
if Current_time < Last_focus_time + 0.01 then
|
|
return
|
|
end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.keychord_press then on.keychord_press(chord, key) end
|
|
end
|
|
|
|
function App.textinput(t)
|
|
if Mode == 'error' then return end
|
|
-- ignore events for some time after window in focus (mostly alt-tab)
|
|
if Current_time < Last_focus_time + 0.01 then
|
|
return
|
|
end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.text_input then on.text_input(t) end
|
|
end
|
|
|
|
function App.keyreleased(key, scancode)
|
|
if Mode == 'error' then
|
|
if Redo_initialization then
|
|
Redo_initialization = nil
|
|
love.run() -- won't actually replace the event loop;
|
|
-- we're just running it for its initialization side-effects
|
|
else
|
|
Mode = 'run'
|
|
end
|
|
return
|
|
end
|
|
-- ignore events for some time after window in focus (mostly alt-tab)
|
|
if Current_time < Last_focus_time + 0.01 then
|
|
return
|
|
end
|
|
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
|
|
if on.key_release then on.key_release(key, scancode) end
|
|
end
|
|
|
|
-- plumb all other handlers through to on.*
|
|
for handler_name in pairs(love.handlers) do
|
|
if App[handler_name] == nil then
|
|
App[handler_name] = function(...)
|
|
if on[handler_name] then on[handler_name](...) end
|
|
end
|
|
end
|
|
end
|