2022-09-03 22:13:22 +01:00
|
|
|
-- some constants people might like to tweak
|
|
|
|
Text_color = {r=0, g=0, b=0}
|
|
|
|
Cursor_color = {r=1, g=0, b=0}
|
2022-09-05 22:16:30 +01:00
|
|
|
Hyperlink_decoration_color = {r=0.4, g=0.4, b=1}
|
2022-09-05 19:28:03 +01:00
|
|
|
Stroke_color = {r=0, g=0, b=0}
|
|
|
|
Current_stroke_color = {r=0.7, g=0.7, b=0.7} -- in process of being drawn
|
|
|
|
Current_name_background_color = {r=1, g=0, b=0, a=0.1} -- name currently being edited
|
2022-09-03 22:13:22 +01:00
|
|
|
Focus_stroke_color = {r=1, g=0, b=0} -- what mouse is hovering over
|
|
|
|
Highlight_color = {r=0.7, g=0.7, b=0.9} -- selected text
|
2023-09-15 06:27:38 +01:00
|
|
|
Line_number_color = {r=0.6, g=0.6, b=0.6}
|
2022-09-05 19:28:03 +01:00
|
|
|
Icon_color = {r=0.7, g=0.7, b=0.7} -- color of current mode icon in drawings
|
|
|
|
Help_color = {r=0, g=0.5, b=0}
|
|
|
|
Help_background_color = {r=0, g=0.5, b=0, a=0.1}
|
2022-09-03 22:13:22 +01:00
|
|
|
|
|
|
|
Margin_top = 15
|
|
|
|
Margin_left = 25
|
|
|
|
Margin_right = 25
|
|
|
|
|
2022-09-05 19:28:03 +01:00
|
|
|
Drawing_padding_top = 10
|
|
|
|
Drawing_padding_bottom = 10
|
|
|
|
Drawing_padding_height = Drawing_padding_top + Drawing_padding_bottom
|
|
|
|
|
|
|
|
Same_point_distance = 4 -- pixel distance at which two points are considered the same
|
|
|
|
|
2022-09-03 22:13:22 +01:00
|
|
|
edit = {}
|
|
|
|
|
|
|
|
-- run in both tests and a real run
|
2023-12-29 19:52:28 +00:00
|
|
|
function edit.initialize_state(top, left, right, font, font_height, line_height) -- currently always draws to bottom of screen
|
2022-09-03 22:13:22 +01:00
|
|
|
local result = {
|
2023-03-18 04:46:42 +00:00
|
|
|
-- a line is either text or a drawing
|
|
|
|
-- a text is a table with:
|
2022-09-05 19:28:03 +01:00
|
|
|
-- mode = 'text',
|
|
|
|
-- string data,
|
|
|
|
-- a drawing is a table with:
|
|
|
|
-- mode = 'drawing'
|
|
|
|
-- a (h)eight,
|
|
|
|
-- an array of points, and
|
|
|
|
-- an array of shapes
|
|
|
|
-- a shape is a table containing:
|
|
|
|
-- a mode
|
|
|
|
-- an array points for mode 'freehand' (raw x,y coords; freehand drawings don't pollute the points array of a drawing)
|
|
|
|
-- an array vertices for mode 'polygon', 'rectangle', 'square'
|
|
|
|
-- p1, p2 for mode 'line'
|
|
|
|
-- center, radius for mode 'circle'
|
|
|
|
-- center, radius, start_angle, end_angle for mode 'arc'
|
|
|
|
-- Unless otherwise specified, coord fields are normalized; a drawing is always 256 units wide
|
|
|
|
-- The field names are carefully chosen so that switching modes in midstream
|
|
|
|
-- remembers previously entered points where that makes sense.
|
2023-03-18 04:46:42 +00:00
|
|
|
lines = {{mode='text', data=''}}, -- array of lines
|
2022-09-03 22:13:22 +01:00
|
|
|
|
|
|
|
-- Lines can be too long to fit on screen, in which case they _wrap_ into
|
|
|
|
-- multiple _screen lines_.
|
|
|
|
|
|
|
|
-- rendering wrapped text lines needs some additional short-lived data per line:
|
|
|
|
-- startpos, the index of data the line starts rendering from, can only be >1 for topmost line on screen
|
2024-07-08 08:26:54 +01:00
|
|
|
-- screen_line_starting_pos: optional array of codepoint indices if it wraps over more than one screen line
|
2022-09-03 22:13:22 +01:00
|
|
|
line_cache = {},
|
|
|
|
|
|
|
|
-- Given wrapping, any potential location for the text cursor can be described in two ways:
|
|
|
|
-- * schema 1: As a combination of line index and position within a line (in utf8 codepoint units)
|
|
|
|
-- * schema 2: As a combination of line index, screen line index within the line, and a position within the screen line.
|
|
|
|
--
|
|
|
|
-- Most of the time we'll only persist positions in schema 1, translating to
|
|
|
|
-- schema 2 when that's convenient.
|
|
|
|
--
|
|
|
|
-- Make sure these coordinates are never aliased, so that changing one causes
|
|
|
|
-- action at a distance.
|
2024-06-10 04:35:50 +01:00
|
|
|
--
|
|
|
|
-- On lines that are drawings, pos will be nil.
|
2023-03-18 04:46:42 +00:00
|
|
|
screen_top1 = {line=1, pos=1}, -- position of start of screen line at top of screen
|
2024-06-10 04:35:50 +01:00
|
|
|
cursor1 = {line=1, pos=1}, -- position of cursor; must be on a text line
|
2022-09-03 22:13:22 +01:00
|
|
|
|
2022-09-06 18:05:20 +01:00
|
|
|
selection1 = {},
|
|
|
|
-- some extra state to compute selection between mouse press and release
|
|
|
|
old_cursor1 = nil,
|
|
|
|
old_selection1 = nil,
|
|
|
|
mousepress_shift = nil,
|
|
|
|
|
2022-09-03 22:13:22 +01:00
|
|
|
-- cursor coordinates in pixels
|
|
|
|
cursor_x = 0,
|
|
|
|
cursor_y = 0,
|
|
|
|
|
2022-09-05 19:28:03 +01:00
|
|
|
current_drawing_mode = 'line',
|
|
|
|
previous_drawing_mode = nil, -- extra state for some ephemeral modes like moving/deleting/naming points
|
|
|
|
|
2023-12-29 19:18:41 +00:00
|
|
|
font = font,
|
2023-12-29 20:02:45 +00:00
|
|
|
font_height = font_height,
|
2022-09-03 22:13:22 +01:00
|
|
|
line_height = line_height,
|
|
|
|
|
|
|
|
top = top,
|
2023-09-15 21:30:42 +01:00
|
|
|
left = math.floor(left), -- left margin for text; line numbers go to the left of this
|
2023-03-18 04:18:17 +00:00
|
|
|
right = math.floor(right),
|
2022-09-03 22:13:22 +01:00
|
|
|
width = right-left,
|
|
|
|
|
2024-01-12 11:33:13 +00:00
|
|
|
filename = 'run.lua',
|
2022-09-03 22:13:22 +01:00
|
|
|
next_save = nil,
|
|
|
|
|
|
|
|
-- undo
|
|
|
|
history = {},
|
|
|
|
next_history = 1,
|
|
|
|
|
|
|
|
-- search
|
|
|
|
search_term = nil,
|
|
|
|
search_backup = nil, -- stuff to restore when cancelling search
|
|
|
|
}
|
|
|
|
return result
|
2023-12-29 19:18:41 +00:00
|
|
|
end -- edit.initialize_state
|
2022-09-03 22:13:22 +01:00
|
|
|
|
2023-03-17 17:46:50 +00:00
|
|
|
function edit.check_locs(State)
|
|
|
|
-- if State is inconsistent (i.e. file changed by some other program),
|
|
|
|
-- throw away all cursor state entirely
|
|
|
|
if edit.invalid1(State, State.screen_top1)
|
2023-09-17 06:40:46 +01:00
|
|
|
or edit.invalid_cursor1(State)
|
2023-03-17 17:46:50 +00:00
|
|
|
or not edit.cursor_on_text(State)
|
|
|
|
or not Text.le1(State.screen_top1, State.cursor1) then
|
|
|
|
State.screen_top1 = {line=1, pos=1}
|
2023-09-17 06:39:51 +01:00
|
|
|
State.cursor1 = {line=1, pos=1}
|
2023-09-15 16:46:36 +01:00
|
|
|
edit.put_cursor_on_next_text_line(State)
|
2023-03-17 17:46:50 +00:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
function edit.invalid1(State, loc1)
|
2023-03-26 17:55:02 +01:00
|
|
|
if loc1.line > #State.lines then return true end
|
|
|
|
local l = State.lines[loc1.line]
|
|
|
|
if l.mode ~= 'text' then return false end -- pos is irrelevant to validity for a drawing line
|
|
|
|
return loc1.pos > #State.lines[loc1.line].data
|
2023-03-17 17:46:50 +00:00
|
|
|
end
|
|
|
|
|
2023-09-17 06:40:46 +01:00
|
|
|
-- cursor loc in particular differs from other locs in one way:
|
|
|
|
-- pos might occur just after end of line
|
|
|
|
function edit.invalid_cursor1(State)
|
|
|
|
local cursor1 = State.cursor1
|
|
|
|
if cursor1.line > #State.lines then return true end
|
|
|
|
local l = State.lines[cursor1.line]
|
|
|
|
if l.mode ~= 'text' then return false end -- pos is irrelevant to validity for a drawing line
|
|
|
|
return cursor1.pos > #State.lines[cursor1.line].data + 1
|
|
|
|
end
|
|
|
|
|
2023-03-17 17:46:50 +00:00
|
|
|
function edit.cursor_on_text(State)
|
|
|
|
return State.cursor1.line <= #State.lines
|
|
|
|
and State.lines[State.cursor1.line].mode == 'text'
|
|
|
|
end
|
|
|
|
|
2023-09-15 16:46:36 +01:00
|
|
|
function edit.put_cursor_on_next_text_line(State)
|
|
|
|
while true do
|
2023-09-17 06:41:55 +01:00
|
|
|
if State.cursor1.line >= #State.lines then
|
|
|
|
break
|
|
|
|
end
|
|
|
|
if State.lines[State.cursor1.line].mode == 'text' then
|
|
|
|
break
|
|
|
|
end
|
|
|
|
State.cursor1.line = State.cursor1.line+1
|
|
|
|
State.cursor1.pos = 1
|
2022-09-05 19:28:03 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2023-09-15 21:30:42 +01:00
|
|
|
function edit.draw(State, hide_cursor, show_line_numbers)
|
2022-09-03 22:13:22 +01:00
|
|
|
State.button_handlers = {}
|
2023-12-29 19:18:41 +00:00
|
|
|
love.graphics.setFont(State.font)
|
2022-09-03 22:13:22 +01:00
|
|
|
App.color(Text_color)
|
2023-11-18 19:30:57 +00:00
|
|
|
assert(#State.lines == #State.line_cache, ('line_cache is out of date; %d elements when it should be %d'):format(#State.line_cache, #State.lines))
|
|
|
|
assert(Text.le1(State.screen_top1, State.cursor1), ('screen_top (line=%d,pos=%d) is below cursor (line=%d,pos=%d)'):format(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos))
|
2022-09-03 22:13:22 +01:00
|
|
|
State.cursor_x = nil
|
|
|
|
State.cursor_y = nil
|
|
|
|
local y = State.top
|
|
|
|
--? print('== draw')
|
|
|
|
for line_index = State.screen_top1.line,#State.lines do
|
|
|
|
local line = State.lines[line_index]
|
2023-03-18 04:46:42 +00:00
|
|
|
--? print('draw:', y, line_index, line)
|
2022-09-03 22:13:22 +01:00
|
|
|
if y + State.line_height > App.screen.height then break end
|
2022-09-05 19:28:03 +01:00
|
|
|
if line.mode == 'text' then
|
2023-03-18 04:46:42 +00:00
|
|
|
--? print('text.draw', y, line_index)
|
|
|
|
local startpos = 1
|
2022-09-05 19:28:03 +01:00
|
|
|
if line_index == State.screen_top1.line then
|
2023-03-18 04:46:42 +00:00
|
|
|
startpos = State.screen_top1.pos
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
2022-09-05 19:28:03 +01:00
|
|
|
if line.data == '' then
|
|
|
|
-- button to insert new drawing
|
2023-09-15 21:30:42 +01:00
|
|
|
local buttonx = State.left-Margin_left+4
|
|
|
|
if show_line_numbers then
|
|
|
|
buttonx = 4 -- HACK: position draw buttons at a fixed x on screen
|
|
|
|
end
|
2023-10-17 06:53:26 +01:00
|
|
|
button(State, 'draw', {x=buttonx, y=y+4, w=12,h=12, bg={r=1,g=1,b=0},
|
2022-09-05 19:28:03 +01:00
|
|
|
icon = icon.insert_drawing,
|
|
|
|
onpress1 = function()
|
|
|
|
Drawing.before = snapshot(State, line_index-1, line_index)
|
|
|
|
table.insert(State.lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
|
|
|
|
table.insert(State.line_cache, line_index, {})
|
|
|
|
if State.cursor1.line >= line_index then
|
|
|
|
State.cursor1.line = State.cursor1.line+1
|
|
|
|
end
|
|
|
|
record_undo_event(State, {before=Drawing.before, after=snapshot(State, line_index-1, line_index+1)})
|
2024-09-01 02:34:03 +01:00
|
|
|
Drawing.before = nil
|
2024-07-17 05:32:13 +01:00
|
|
|
schedule_save(State)
|
2022-09-05 19:28:03 +01:00
|
|
|
end,
|
|
|
|
})
|
|
|
|
end
|
2024-06-11 14:58:07 +01:00
|
|
|
y = Text.draw(State, line_index, y, startpos, hide_cursor, show_line_numbers)
|
2022-09-05 19:28:03 +01:00
|
|
|
--? print('=> y', y)
|
|
|
|
elseif line.mode == 'drawing' then
|
|
|
|
y = y+Drawing_padding_top
|
|
|
|
Drawing.draw(State, line_index, y)
|
|
|
|
y = y + Drawing.pixels(line.h, State.width) + Drawing_padding_bottom
|
|
|
|
else
|
2023-11-18 19:30:57 +00:00
|
|
|
assert(false, ('unknown line mode %s'):format(line.mode))
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
if State.search_term then
|
|
|
|
Text.draw_search_bar(State)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
function edit.update(State, dt)
|
2022-09-05 19:28:03 +01:00
|
|
|
Drawing.update(State, dt)
|
2022-11-04 04:02:31 +00:00
|
|
|
if State.next_save and State.next_save < Current_time then
|
2022-09-03 22:13:22 +01:00
|
|
|
save_to_disk(State)
|
|
|
|
State.next_save = nil
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
function schedule_save(State)
|
|
|
|
if State.next_save == nil then
|
2022-11-04 04:02:31 +00:00
|
|
|
State.next_save = Current_time + 3 -- short enough that you're likely to still remember what you did
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
function edit.quit(State)
|
|
|
|
-- make sure to save before quitting
|
|
|
|
if State.next_save then
|
|
|
|
save_to_disk(State)
|
2023-03-18 04:18:17 +00:00
|
|
|
-- give some time for the OS to flush everything to disk
|
|
|
|
love.timer.sleep(0.1)
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2022-12-24 03:26:05 +00:00
|
|
|
function edit.mouse_press(State, x,y, mouse_button)
|
2024-02-17 05:12:02 +00:00
|
|
|
love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
|
2022-09-03 22:13:22 +01:00
|
|
|
if State.search_term then return end
|
2023-12-02 06:07:24 +00:00
|
|
|
State.mouse_down = mouse_button
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_press: cursor at %d,%d'):format(State.cursor1.line, State.cursor1.pos))
|
2023-12-17 07:37:32 +00:00
|
|
|
if mouse_press_consumed_by_any_button(State, x,y, mouse_button) then
|
2022-09-03 22:13:22 +01:00
|
|
|
-- press on a button and it returned 'true' to short-circuit
|
|
|
|
return
|
|
|
|
end
|
|
|
|
|
2023-06-04 20:33:23 +01:00
|
|
|
if y < State.top then
|
|
|
|
State.old_cursor1 = State.cursor1
|
|
|
|
State.old_selection1 = State.selection1
|
|
|
|
State.mousepress_shift = App.shift_down()
|
|
|
|
State.selection1 = {
|
|
|
|
line=State.screen_top1.line,
|
|
|
|
pos=State.screen_top1.pos,
|
|
|
|
}
|
|
|
|
return
|
|
|
|
end
|
|
|
|
|
2022-09-03 22:13:22 +01:00
|
|
|
for line_index,line in ipairs(State.lines) do
|
2022-09-05 19:28:03 +01:00
|
|
|
if line.mode == 'text' then
|
|
|
|
if Text.in_line(State, line_index, x,y) then
|
2022-09-06 18:05:20 +01:00
|
|
|
-- delicate dance between cursor, selection and old cursor/selection
|
|
|
|
-- scenarios:
|
|
|
|
-- regular press+release: sets cursor, clears selection
|
|
|
|
-- shift press+release:
|
|
|
|
-- sets selection to old cursor if not set otherwise leaves it untouched
|
|
|
|
-- sets cursor
|
|
|
|
-- press and hold to start a selection: sets selection on press, cursor on release
|
|
|
|
-- press and hold, then press shift: ignore shift
|
2022-12-24 01:16:19 +00:00
|
|
|
-- i.e. mouse_release should never look at shift state
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_press: in line %d'):format(line_index))
|
2022-09-06 18:05:20 +01:00
|
|
|
State.old_cursor1 = State.cursor1
|
|
|
|
State.old_selection1 = State.selection1
|
|
|
|
State.mousepress_shift = App.shift_down()
|
2023-03-18 04:46:42 +00:00
|
|
|
State.selection1 = {
|
|
|
|
line=line_index,
|
|
|
|
pos=Text.to_pos_on_line(State, line_index, x, y),
|
|
|
|
}
|
2023-06-04 20:33:23 +01:00
|
|
|
return
|
2022-09-05 19:28:03 +01:00
|
|
|
end
|
|
|
|
elseif line.mode == 'drawing' then
|
2024-06-11 18:37:58 +01:00
|
|
|
if Drawing.in_drawing(State, line_index, x, y, State.left,State.right) then
|
2022-09-05 19:28:03 +01:00
|
|
|
State.lines.current_drawing_index = line_index
|
|
|
|
State.lines.current_drawing = line
|
|
|
|
Drawing.before = snapshot(State, line_index)
|
2022-12-24 03:26:05 +00:00
|
|
|
Drawing.mouse_press(State, line_index, x,y, mouse_button)
|
2023-06-04 20:33:23 +01:00
|
|
|
return
|
2022-09-05 19:28:03 +01:00
|
|
|
end
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
end
|
2023-06-04 20:33:23 +01:00
|
|
|
|
2023-09-20 21:39:29 +01:00
|
|
|
-- still here? mouse press is below all screen lines
|
2023-06-04 20:33:23 +01:00
|
|
|
State.old_cursor1 = State.cursor1
|
|
|
|
State.old_selection1 = State.selection1
|
|
|
|
State.mousepress_shift = App.shift_down()
|
2024-06-10 04:35:50 +01:00
|
|
|
State.selection1 = Text.final_text_loc_on_screen(State)
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
|
2022-12-24 01:16:19 +00:00
|
|
|
function edit.mouse_release(State, x,y, mouse_button)
|
2022-09-05 19:28:03 +01:00
|
|
|
if State.search_term then return end
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_release: cursor at %d,%d'):format(State.cursor1.line, State.cursor1.pos))
|
2023-12-02 06:07:24 +00:00
|
|
|
State.mouse_down = nil
|
2022-09-05 19:28:03 +01:00
|
|
|
if State.lines.current_drawing then
|
2022-12-24 01:16:19 +00:00
|
|
|
Drawing.mouse_release(State, x,y, mouse_button)
|
2022-09-05 19:28:03 +01:00
|
|
|
if Drawing.before then
|
|
|
|
record_undo_event(State, {before=Drawing.before, after=snapshot(State, State.lines.current_drawing_index)})
|
|
|
|
Drawing.before = nil
|
|
|
|
end
|
2024-07-17 05:32:13 +01:00
|
|
|
schedule_save(State)
|
2022-09-06 18:05:20 +01:00
|
|
|
else
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log('edit.mouse_release: no current drawing')
|
2023-09-20 21:39:29 +01:00
|
|
|
if y < State.top then
|
2024-06-23 18:53:19 +01:00
|
|
|
State.cursor1 = deepcopy(State.screen_top1)
|
2023-09-20 21:39:29 +01:00
|
|
|
edit.clean_up_mouse_press(State)
|
|
|
|
return
|
|
|
|
end
|
|
|
|
|
2022-09-06 18:05:20 +01:00
|
|
|
for line_index,line in ipairs(State.lines) do
|
|
|
|
if line.mode == 'text' then
|
|
|
|
if Text.in_line(State, line_index, x,y) then
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_release: in line %d'):format(line_index))
|
2023-03-18 04:46:42 +00:00
|
|
|
State.cursor1 = {
|
|
|
|
line=line_index,
|
|
|
|
pos=Text.to_pos_on_line(State, line_index, x, y),
|
|
|
|
}
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_release: cursor now %d,%d'):format(State.cursor1.line, State.cursor1.pos))
|
2023-09-20 21:39:29 +01:00
|
|
|
edit.clean_up_mouse_press(State)
|
|
|
|
return
|
2022-09-06 18:05:20 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
2023-09-20 21:39:29 +01:00
|
|
|
|
|
|
|
-- still here? mouse release is below all screen lines
|
2024-06-10 04:35:50 +01:00
|
|
|
State.cursor1 = Text.final_text_loc_on_screen(State)
|
2023-09-20 21:39:29 +01:00
|
|
|
edit.clean_up_mouse_press(State)
|
2023-06-04 20:33:23 +01:00
|
|
|
--? print_and_log(('edit.mouse_release: finally selection %s,%s cursor %d,%d'):format(tostring(State.selection1.line), tostring(State.selection1.pos), State.cursor1.line, State.cursor1.pos))
|
2022-09-05 19:28:03 +01:00
|
|
|
end
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
|
2023-09-20 21:39:29 +01:00
|
|
|
function edit.clean_up_mouse_press(State)
|
|
|
|
if State.mousepress_shift then
|
|
|
|
if State.old_selection1.line == nil then
|
|
|
|
State.selection1 = State.old_cursor1
|
|
|
|
else
|
|
|
|
State.selection1 = State.old_selection1
|
|
|
|
end
|
|
|
|
end
|
|
|
|
State.old_cursor1, State.old_selection1, State.mousepress_shift = nil
|
|
|
|
if eq(State.cursor1, State.selection1) then
|
|
|
|
State.selection1 = {}
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2023-03-24 04:00:09 +00:00
|
|
|
function edit.mouse_wheel_move(State, dx,dy)
|
|
|
|
if dy > 0 then
|
2024-06-23 18:53:19 +01:00
|
|
|
State.cursor1 = deepcopy(State.screen_top1)
|
2023-09-15 16:52:39 +01:00
|
|
|
edit.put_cursor_on_next_text_line(State)
|
2023-03-24 04:00:09 +00:00
|
|
|
for i=1,math.floor(dy) do
|
|
|
|
Text.up(State)
|
|
|
|
end
|
2023-03-24 04:38:33 +00:00
|
|
|
elseif dy < 0 then
|
2024-06-11 14:58:07 +01:00
|
|
|
State.cursor1 = Text.screen_bottom1(State)
|
2023-09-15 16:52:39 +01:00
|
|
|
edit.put_cursor_on_next_text_line(State)
|
2023-03-24 04:00:09 +00:00
|
|
|
for i=1,math.floor(-dy) do
|
|
|
|
Text.down(State)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2022-12-24 01:16:19 +00:00
|
|
|
function edit.text_input(State, t)
|
2023-03-26 17:55:02 +01:00
|
|
|
--? print('text input', t)
|
2022-09-03 22:13:22 +01:00
|
|
|
if State.search_term then
|
|
|
|
State.search_term = State.search_term..t
|
|
|
|
Text.search_next(State)
|
2023-03-26 17:55:02 +01:00
|
|
|
elseif State.lines.current_drawing and State.current_drawing_mode == 'name' then
|
2022-09-05 19:28:03 +01:00
|
|
|
local before = snapshot(State, State.lines.current_drawing_index)
|
|
|
|
local drawing = State.lines.current_drawing
|
|
|
|
local p = drawing.points[drawing.pending.target_point]
|
|
|
|
p.name = p.name..t
|
|
|
|
record_undo_event(State, {before=before, after=snapshot(State, State.lines.current_drawing_index)})
|
2022-09-03 22:13:22 +01:00
|
|
|
else
|
2022-12-13 07:47:59 +00:00
|
|
|
local drawing_index, drawing = Drawing.current_drawing(State)
|
|
|
|
if drawing_index == nil then
|
2022-12-24 01:16:19 +00:00
|
|
|
Text.text_input(State, t)
|
2022-12-13 07:47:59 +00:00
|
|
|
end
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
schedule_save(State)
|
|
|
|
end
|
|
|
|
|
2022-12-24 01:16:19 +00:00
|
|
|
function edit.keychord_press(State, chord, key)
|
2022-09-06 18:05:20 +01:00
|
|
|
if State.selection1.line and
|
|
|
|
not State.lines.current_drawing and
|
|
|
|
-- printable character created using shift key => delete selection
|
|
|
|
-- (we're not creating any ctrl-shift- or alt-shift- combinations using regular/printable keys)
|
|
|
|
(not App.shift_down() or utf8.len(key) == 1) and
|
2024-06-10 04:38:53 +01:00
|
|
|
chord ~= 'C-a' and chord ~= 'C-c' and chord ~= 'C-x' and chord ~= 'backspace' and chord ~= 'delete' and chord ~= 'C-z' and chord ~= 'C-y' and not App.is_cursor_movement(key) then
|
2024-09-01 02:59:23 +01:00
|
|
|
Text.delete_selection_and_record_undo_event(State)
|
2022-09-06 18:05:20 +01:00
|
|
|
end
|
2022-09-03 22:13:22 +01:00
|
|
|
if State.search_term then
|
|
|
|
if chord == 'escape' then
|
|
|
|
State.search_term = nil
|
|
|
|
State.cursor1 = State.search_backup.cursor
|
|
|
|
State.screen_top1 = State.search_backup.screen_top
|
|
|
|
State.search_backup = nil
|
2024-07-08 08:26:54 +01:00
|
|
|
Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
|
2022-09-03 22:13:22 +01:00
|
|
|
elseif chord == 'return' then
|
|
|
|
State.search_term = nil
|
|
|
|
State.search_backup = nil
|
|
|
|
elseif chord == 'backspace' then
|
|
|
|
local len = utf8.len(State.search_term)
|
|
|
|
local byte_offset = Text.offset(State.search_term, len)
|
|
|
|
State.search_term = string.sub(State.search_term, 1, byte_offset-1)
|
|
|
|
elseif chord == 'down' then
|
2023-03-18 04:46:42 +00:00
|
|
|
State.cursor1.pos = State.cursor1.pos+1
|
2022-09-03 22:13:22 +01:00
|
|
|
Text.search_next(State)
|
|
|
|
elseif chord == 'up' then
|
|
|
|
Text.search_previous(State)
|
|
|
|
end
|
|
|
|
return
|
|
|
|
elseif chord == 'C-f' then
|
|
|
|
State.search_term = ''
|
|
|
|
State.search_backup = {
|
2023-03-18 04:46:42 +00:00
|
|
|
cursor={line=State.cursor1.line, pos=State.cursor1.pos},
|
|
|
|
screen_top={line=State.screen_top1.line, pos=State.screen_top1.pos},
|
2022-09-03 22:13:22 +01:00
|
|
|
}
|
|
|
|
-- zoom
|
|
|
|
elseif chord == 'C-=' then
|
|
|
|
edit.update_font_settings(State, State.font_height+2)
|
|
|
|
Text.redraw_all(State)
|
|
|
|
elseif chord == 'C--' then
|
2023-03-18 02:58:49 +00:00
|
|
|
if State.font_height > 2 then
|
|
|
|
edit.update_font_settings(State, State.font_height-2)
|
|
|
|
Text.redraw_all(State)
|
|
|
|
end
|
2022-09-03 22:13:22 +01:00
|
|
|
elseif chord == 'C-0' then
|
|
|
|
edit.update_font_settings(State, 20)
|
|
|
|
Text.redraw_all(State)
|
|
|
|
-- undo
|
|
|
|
elseif chord == 'C-z' then
|
|
|
|
local event = undo_event(State)
|
|
|
|
if event then
|
|
|
|
local src = event.before
|
|
|
|
State.screen_top1 = deepcopy(src.screen_top)
|
|
|
|
State.cursor1 = deepcopy(src.cursor)
|
2022-09-06 18:05:20 +01:00
|
|
|
State.selection1 = deepcopy(src.selection)
|
2022-09-03 22:13:22 +01:00
|
|
|
patch(State.lines, event.after, event.before)
|
2022-09-05 19:28:03 +01:00
|
|
|
-- invalidate various cached bits of lines
|
|
|
|
State.lines.current_drawing = nil
|
2024-07-08 08:26:54 +01:00
|
|
|
Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
|
2022-09-03 22:13:22 +01:00
|
|
|
schedule_save(State)
|
|
|
|
end
|
|
|
|
elseif chord == 'C-y' then
|
|
|
|
local event = redo_event(State)
|
|
|
|
if event then
|
|
|
|
local src = event.after
|
|
|
|
State.screen_top1 = deepcopy(src.screen_top)
|
|
|
|
State.cursor1 = deepcopy(src.cursor)
|
2022-09-06 18:05:20 +01:00
|
|
|
State.selection1 = deepcopy(src.selection)
|
2022-09-03 22:13:22 +01:00
|
|
|
patch(State.lines, event.before, event.after)
|
2022-09-05 19:28:03 +01:00
|
|
|
-- invalidate various cached bits of lines
|
|
|
|
State.lines.current_drawing = nil
|
2024-07-08 08:26:54 +01:00
|
|
|
Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
|
2022-09-03 22:13:22 +01:00
|
|
|
schedule_save(State)
|
|
|
|
end
|
|
|
|
-- clipboard
|
2022-11-19 08:11:39 +00:00
|
|
|
elseif chord == 'C-a' then
|
|
|
|
State.selection1 = {line=1, pos=1}
|
2023-03-18 04:46:42 +00:00
|
|
|
State.cursor1 = {line=#State.lines, pos=utf8.len(State.lines[#State.lines].data)+1}
|
2022-09-03 22:13:22 +01:00
|
|
|
elseif chord == 'C-c' then
|
|
|
|
local s = Text.selection(State)
|
|
|
|
if s then
|
2023-08-30 14:43:01 +01:00
|
|
|
App.set_clipboard(s)
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
elseif chord == 'C-x' then
|
2024-09-01 02:59:23 +01:00
|
|
|
local s = Text.cut_selection_and_record_undo_event(State)
|
2022-09-03 22:13:22 +01:00
|
|
|
if s then
|
2023-08-30 14:43:01 +01:00
|
|
|
App.set_clipboard(s)
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
schedule_save(State)
|
|
|
|
elseif chord == 'C-v' then
|
|
|
|
-- We don't have a good sense of when to scroll, so we'll be conservative
|
|
|
|
-- and sometimes scroll when we didn't quite need to.
|
|
|
|
local before_line = State.cursor1.line
|
|
|
|
local before = snapshot(State, before_line)
|
2023-08-30 14:43:01 +01:00
|
|
|
local clipboard_data = App.get_clipboard()
|
2022-09-03 22:13:22 +01:00
|
|
|
for _,code in utf8.codes(clipboard_data) do
|
|
|
|
local c = utf8.char(code)
|
|
|
|
if c == '\n' then
|
|
|
|
Text.insert_return(State)
|
|
|
|
else
|
|
|
|
Text.insert_at_cursor(State, c)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
if Text.cursor_out_of_screen(State) then
|
|
|
|
Text.snap_cursor_to_bottom_of_screen(State, State.left, State.right)
|
|
|
|
end
|
|
|
|
record_undo_event(State, {before=before, after=snapshot(State, before_line, State.cursor1.line)})
|
2024-07-17 05:32:13 +01:00
|
|
|
schedule_save(State)
|
2022-09-05 19:28:03 +01:00
|
|
|
-- dispatch to drawing or text
|
|
|
|
elseif App.mouse_down(1) or chord:sub(1,2) == 'C-' then
|
|
|
|
local drawing_index, drawing = Drawing.current_drawing(State)
|
|
|
|
if drawing_index then
|
|
|
|
local before = snapshot(State, drawing_index)
|
2022-12-24 01:16:19 +00:00
|
|
|
Drawing.keychord_press(State, chord)
|
2022-09-05 19:28:03 +01:00
|
|
|
record_undo_event(State, {before=before, after=snapshot(State, drawing_index)})
|
|
|
|
schedule_save(State)
|
|
|
|
end
|
|
|
|
elseif chord == 'escape' and not App.mouse_down(1) then
|
|
|
|
for _,line in ipairs(State.lines) do
|
|
|
|
if line.mode == 'drawing' then
|
|
|
|
line.show_help = false
|
|
|
|
end
|
|
|
|
end
|
2023-03-26 17:55:02 +01:00
|
|
|
elseif State.lines.current_drawing and State.current_drawing_mode == 'name' then
|
2022-09-05 19:28:03 +01:00
|
|
|
if chord == 'return' then
|
|
|
|
State.current_drawing_mode = State.previous_drawing_mode
|
|
|
|
State.previous_drawing_mode = nil
|
|
|
|
else
|
|
|
|
local before = snapshot(State, State.lines.current_drawing_index)
|
|
|
|
local drawing = State.lines.current_drawing
|
|
|
|
local p = drawing.points[drawing.pending.target_point]
|
|
|
|
if chord == 'escape' then
|
|
|
|
p.name = nil
|
|
|
|
record_undo_event(State, {before=before, after=snapshot(State, State.lines.current_drawing_index)})
|
|
|
|
elseif chord == 'backspace' then
|
|
|
|
local len = utf8.len(p.name)
|
2023-03-26 17:55:02 +01:00
|
|
|
if len > 0 then
|
|
|
|
local byte_offset = Text.offset(p.name, len-1)
|
|
|
|
if len == 1 then byte_offset = 0 end
|
|
|
|
p.name = string.sub(p.name, 1, byte_offset)
|
|
|
|
record_undo_event(State, {before=before, after=snapshot(State, State.lines.current_drawing_index)})
|
|
|
|
end
|
2022-09-05 19:28:03 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
schedule_save(State)
|
2022-09-03 22:13:22 +01:00
|
|
|
else
|
2022-12-24 01:16:19 +00:00
|
|
|
Text.keychord_press(State, chord)
|
2022-09-03 22:13:22 +01:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2022-12-24 01:16:19 +00:00
|
|
|
function edit.key_release(State, key, scancode)
|
2022-09-03 22:13:22 +01:00
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end
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function edit.update_font_settings(State, font_height)
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State.font_height = font_height
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2023-12-29 19:18:41 +00:00
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State.font = love.graphics.newFont(State.font_height)
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2022-09-03 22:13:22 +01:00
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State.line_height = math.floor(font_height*1.3)
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end
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--== some methods for tests
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2022-09-07 18:16:24 +01:00
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-- Insulate tests from some key globals so I don't have to change the vast
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-- majority of tests when they're modified for the real app.
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2022-09-03 22:13:22 +01:00
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Test_margin_left = 25
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2022-09-07 18:16:24 +01:00
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Test_margin_right = 0
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2022-09-03 22:13:22 +01:00
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function edit.initialize_test_state()
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-- if you change these values, tests will start failing
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return edit.initialize_state(
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15, -- top margin
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Test_margin_left,
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2022-09-07 18:16:24 +01:00
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App.screen.width - Test_margin_right,
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2023-12-29 19:18:41 +00:00
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love.graphics.getFont(),
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2023-12-29 19:52:28 +00:00
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14,
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2022-09-03 22:13:22 +01:00
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15) -- line height
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end
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2022-12-24 01:16:19 +00:00
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-- all text_input events are also keypresses
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2022-09-03 22:13:22 +01:00
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-- TODO: handle chords of multiple keys
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2022-12-24 01:16:19 +00:00
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function edit.run_after_text_input(State, t)
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edit.keychord_press(State, t)
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edit.text_input(State, t)
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edit.key_release(State, t)
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2022-09-03 22:13:22 +01:00
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App.screen.contents = {}
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2022-12-13 06:50:08 +00:00
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edit.update(State, 0)
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2022-09-03 22:13:22 +01:00
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edit.draw(State)
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end
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2022-12-24 01:16:19 +00:00
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-- not all keys are text_input
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2024-02-05 01:19:39 +00:00
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function edit.run_after_keychord(State, chord, key)
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edit.keychord_press(State, chord, key)
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edit.key_release(State, key)
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2022-09-03 22:13:22 +01:00
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App.screen.contents = {}
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2022-12-13 06:50:08 +00:00
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edit.update(State, 0)
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2022-09-03 22:13:22 +01:00
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edit.draw(State)
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end
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function edit.run_after_mouse_click(State, x,y, mouse_button)
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App.fake_mouse_press(x,y, mouse_button)
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2022-12-24 03:26:05 +00:00
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edit.mouse_press(State, x,y, mouse_button)
|
2024-06-10 04:35:50 +01:00
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edit.draw(State)
|
2022-09-03 22:13:22 +01:00
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App.fake_mouse_release(x,y, mouse_button)
|
2022-12-24 01:16:19 +00:00
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edit.mouse_release(State, x,y, mouse_button)
|
2022-09-03 22:13:22 +01:00
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App.screen.contents = {}
|
2022-12-13 06:50:08 +00:00
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edit.update(State, 0)
|
2022-09-03 22:13:22 +01:00
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edit.draw(State)
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end
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function edit.run_after_mouse_press(State, x,y, mouse_button)
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App.fake_mouse_press(x,y, mouse_button)
|
2022-12-24 03:26:05 +00:00
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edit.mouse_press(State, x,y, mouse_button)
|
2022-09-03 22:13:22 +01:00
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App.screen.contents = {}
|
2022-12-13 06:50:08 +00:00
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edit.update(State, 0)
|
2022-09-03 22:13:22 +01:00
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edit.draw(State)
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end
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function edit.run_after_mouse_release(State, x,y, mouse_button)
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App.fake_mouse_release(x,y, mouse_button)
|
2022-12-24 01:16:19 +00:00
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edit.mouse_release(State, x,y, mouse_button)
|
2022-09-03 22:13:22 +01:00
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App.screen.contents = {}
|
2022-12-13 06:50:08 +00:00
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edit.update(State, 0)
|
2022-09-03 22:13:22 +01:00
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edit.draw(State)
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|
end
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