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source = {}
Editor_state = {}
Line_number_width = 3 -- in ems
-- called both in tests and real run
function source.initialize_globals()
-- tests currently mostly clear their own state
Show_log_browser_side = false
Focus = 'edit'
Show_file_navigator = false
File_navigation = {
all_candidates = {
'run',
'run_tests',
'log',
'edit',
'drawing',
'help',
'text',
'search',
'select',
'undo',
'text_tests',
'geom',
'drawing_tests',
'file',
'source',
'source_tests',
'commands',
'log_browser',
'source_edit',
'source_text',
'source_undo',
'colorize',
'source_text_tests',
'source_file',
'main',
'button',
'keychord',
'app',
'test',
'json',
},
index = 1,
filter = '',
cursors = {}, -- filename to cursor1, screen_top1
}
File_navigation.candidates = File_navigation.all_candidates -- modified with filter
Menu_status_bar_height = 5 + --[[line height in tests]] 15 + 5
-- blinking cursor
Cursor_time = 0
end
-- called only for real run
function source.initialize()
log_new('source')
if Settings and Settings.source then
source.load_settings()
else
source.initialize_default_settings()
end
source.initialize_edit_side()
source.initialize_log_browser_side()
Menu_status_bar_height = 5 + Editor_state.line_height + 5
Editor_state.top = Editor_state.top + Menu_status_bar_height
Log_browser_state.top = Log_browser_state.top + Menu_status_bar_height
-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
love.window.setTitle('lines.love - source - '..Editor_state.filename)
end
-- environment for a mutable file
-- TODO: some initialization is also happening in load_settings/initialize_default_settings. Clean that up.
function source.initialize_edit_side()
load_from_disk(Editor_state)
Text.redraw_all(Editor_state)
if File_navigation.cursors[Editor_state.filename] then
Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
else
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.cursor1 = {line=1, pos=1}
end
edit.check_locs(Editor_state)
if Editor_state.cursor1.line > #Editor_state.lines then
Editor_state.cursor1 = {line=1, pos=1}
end
if Editor_state.screen_top1.line > #Editor_state.lines then
Editor_state.screen_top1 = {line=1, pos=1}
end
if rawget(_G, 'jit') then
jit.off()
jit.flush()
end
end
function print_and_log(s)
print(s)
log(3, s)
end
function source.load_settings()
local settings = Settings.source
local font = love.graphics.newFont(settings.font_height)
-- 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)
source.set_window_position_from_settings(settings)
Show_log_browser_side = settings.show_log_browser_side
local right = App.screen.width - Margin_right
if Show_log_browser_side then
right = App.screen.width/2 - Margin_right
end
Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), right, font, settings.font_height, math.floor(settings.font_height*1.3))
Editor_state.filename = settings.filename
Editor_state.filename = basename(Editor_state.filename) -- migrate settings that used full paths; we now support only relative paths within the app
if settings.cursors then
File_navigation.cursors = settings.cursors
Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
else
-- migrate old settings
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.cursor1 = {line=1, pos=1}
end
end
function source.set_window_position_from_settings(settings)
local os = love.system.getOS()
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 source.initialize_default_settings()
local font_height = 20
local font = love.graphics.newFont(font_height)
source.initialize_window_geometry()
Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), App.screen.width-Margin_right, font, font_height, math.floor(font_height*1.3))
Editor_state.filename = 'run.lua'
end
function source.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)
end
function source.resize(w, h)
--? print(("Window resized to width: %d and height: %d."):format(w, h))
App.screen.width, App.screen.height = w, h
Text.redraw_all(Editor_state)
Editor_state.selection1 = {} -- no support for shift drag while we're resizing
if Show_log_browser_side then
Editor_state.right = App.screen.width/2 - Margin_right
else
Editor_state.right = App.screen.width-Margin_right
end
Log_browser_state.left = App.screen.width/2 + Margin_right
Log_browser_state.right = App.screen.width-Margin_right
Editor_state.width = Editor_state.right-Editor_state.left
Text.tweak_screen_top_and_cursor(Editor_state, Editor_state.left, Editor_state.right)
--? print('end resize')
end
function source.file_drop(file)
-- first make sure to save edits on any existing file
if Editor_state.next_save then
save_to_disk(Editor_state)
end
-- clear the slate for the new file
Editor_state.filename = file:getFilename()
file:open('r')
Editor_state.lines = load_from_file(file)
file:close()
Text.redraw_all(Editor_state)
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.cursor1 = {line=1, pos=1}
-- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
love.window.setTitle('lines.love - source')
end
-- a copy of source.file_drop when given a filename
function source.switch_to_file(filename)
-- first make sure to save edits on any existing file
if Editor_state.next_save then
save_to_disk(Editor_state)
end
-- save cursor position
File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
-- clear the slate for the new file
Editor_state.filename = filename
load_from_disk(Editor_state)
Text.redraw_all(Editor_state)
if File_navigation.cursors[filename] then
Editor_state.screen_top1 = File_navigation.cursors[filename].screen_top1
Editor_state.cursor1 = File_navigation.cursors[filename].cursor1
else
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.cursor1 = {line=1, pos=1}
end
end
function source.draw()
edit.draw(Editor_state, --[[hide cursor?]] Show_file_navigator, --[[show line numbers]] true)
if Show_log_browser_side then
-- divider
App.color(Divider_color)
love.graphics.rectangle('fill', App.screen.width/2-1,Menu_status_bar_height, 3,App.screen.height)
--
log_browser.draw(Log_browser_state, --[[hide_cursor]] Focus ~= 'log_browser')
end
source.draw_menu_bar()
if Error_message then
local height = math.min(20*Editor_state.line_height, App.screen.height*0.2)
App.color{r=0.8,g=0,b=0}
love.graphics.rectangle('fill', 150, App.screen.height - height-10, App.screen.width, height+10)
App.color{r=0,g=0,b=0}
love.graphics.print(Error_message, 150+10, App.screen.height - height)
end
end
function source.update(dt)
Cursor_time = Cursor_time + dt
if App.mouse_x() < Editor_state.right then
edit.update(Editor_state, dt)
elseif Show_log_browser_side then
log_browser.update(Log_browser_state, dt)
end
end
function source.quit()
edit.quit(Editor_state)
log_browser.quit(Log_browser_state)
end
function source.settings()
if Settings == nil then Settings = {} end
if Settings.source == nil then Settings.source = {} end
Settings.source.x, Settings.source.y, Settings.source.displayindex = App.screen.position()
File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
return {
x=Settings.source.x, y=Settings.source.y, displayindex=Settings.source.displayindex,
width=App.screen.width, height=App.screen.height,
font_height=Editor_state.font_height,
filename=Editor_state.filename,
cursors=File_navigation.cursors,
show_log_browser_side=Show_log_browser_side,
focus=Focus,
}
end
function source.mouse_press(x,y, mouse_button)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
--? print('mouse click', x, y)
--? print(Editor_state.left, Editor_state.right)
--? print(Log_browser_state.left, Log_browser_state.right)
if Show_file_navigator and y < Menu_status_bar_height + File_navigation.num_lines * Editor_state.line_height then
-- send click to buttons
edit.mouse_press(Editor_state, x,y, mouse_button)
return
end
if x < Editor_state.right + Margin_right then
--? print('click on edit side')
if Focus ~= 'edit' then
Focus = 'edit'
return
end
edit.mouse_press(Editor_state, x,y, mouse_button)
elseif Show_log_browser_side and Log_browser_state.left <= x and x < Log_browser_state.right then
--? print('click on log_browser side')
if Focus ~= 'log_browser' then
Focus = 'log_browser'
return
end
log_browser.mouse_press(Log_browser_state, x,y, mouse_button)
end
end
function source.mouse_release(x,y, mouse_button)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
if Focus == 'edit' then
return edit.mouse_release(Editor_state, x,y, mouse_button)
else
return log_browser.mouse_release(Log_browser_state, x,y, mouse_button)
end
end
function source.mouse_wheel_move(dx,dy)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
if Focus == 'edit' then
return edit.mouse_wheel_move(Editor_state, dx,dy)
else
return log_browser.mouse_wheel_move(Log_browser_state, dx,dy)
end
end
function source.text_input(t)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
if Show_file_navigator then
text_input_on_file_navigator(t)
return
end
if Focus == 'edit' then
return edit.text_input(Editor_state, t)
else
return log_browser.text_input(Log_browser_state, t)
end
end
function source.keychord_press(chord, key)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
--? print('source keychord')
if Show_file_navigator then
keychord_press_on_file_navigator(chord, key)
return
end
if chord == 'C-l' then
--? print('C-l')
Show_log_browser_side = not Show_log_browser_side
if Show_log_browser_side then
Editor_state.right = App.screen.width/2 - Margin_right
Editor_state.width = Editor_state.right-Editor_state.left
Text.redraw_all(Editor_state)
Log_browser_state.left = App.screen.width/2 + Margin_left
Log_browser_state.right = App.screen.width - Margin_right
else
Editor_state.right = App.screen.width - Margin_right
Editor_state.width = Editor_state.right-Editor_state.left
Text.redraw_all(Editor_state)
end
return
end
if chord == 'C-k' then
-- clear logs
love.filesystem.remove('log')
-- restart to reload state of logs on screen
Settings.source = source.settings()
source.quit()
love.filesystem.write('config', json.encode(Settings))
load_file_from_source_or_save_directory('main.lua')
App.undo_initialize()
App.run_tests_and_initialize()
return
end
if chord == 'C-g' then
Show_file_navigator = true
return
end
if Focus == 'edit' then
return edit.keychord_press(Editor_state, chord, key)
else
return log_browser.keychord_press(Log_browser_state, chord, key)
end
end
function source.key_release(key, scancode)
Cursor_time = 0 -- ensure cursor is visible immediately after it moves
if Focus == 'edit' then
return edit.key_release(Editor_state, key, scancode)
else
return log_browser.keychord_press(Log_browser_state, chordkey, scancode)
end
end
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