{"header":{"message":"Merge text.love","description":null,"timestamp":"2023-03-18T05:46:11Z","authors":[{"email":"vc@akkartik.com","name":"Kartik K. 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App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', '```lines', '```', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=1}\n Editor_state.screen_top1 = {line=3, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'def', 'baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'baseline/screen:3')\n -- after hitting the up arrow the screen scrolls up to previous text line\n edit.run_after_keychord(Editor_state, 'up')\n check_eq(Editor_state.screen_top1.line, 1, 'screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'cursor')\n"},{"Del":"end\n\nfunction 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return true\n"},{"Del":"end\n"},{"Del":"function starts_with(s, prefix)\n if #s < #prefix then\n return false\n end\n for i=1,#prefix do\n if s:sub(i,i) ~= prefix:sub(i,i) then\n return false\n end\n end\n return true\n"},{"Del":"end\n\n"},{"Del":" State.cursor1 = {\n line=State.screen_bottom1.line,\n pos=Text.to_pos_on_line(State, State.screen_bottom1.line, State.right-5, App.screen.height-5),\n }\n"},{"Del":" end\n end\nend\n\n-- slightly expensive since it redraws the screen\nfunction Text.cursor_out_of_screen(State)\n App.draw()\n return State.cursor_y == nil\n -- this approach is cheaper and almost works, except on the final screen\n -- where file ends above bottom of screen\n--? local botpos = Text.pos_at_start_of_screen_line(State, State.cursor1)\n--? local botline1 = {line=State.cursor1.line, pos=botpos}\n--? return Text.lt1(State.screen_bottom1, botline1)\nend\n\n"},{"Del":" return {line=loc2.line-1, screen_line=#State.line_cache[loc2.line-1].screen_line_starting_pos, screen_pos=1}\n"},{"Del":" end\nend\n\n"},{"Del":" local l = State.lines[loc2.line-1]\n"},{"Del":" Text.populate_screen_line_starting_pos(State, loc2.line-1)\n"},{"Del":" elseif State.lines[loc2.line-1].mode == 'drawing' then\n return {line=loc2.line-1, screen_line=1, screen_pos=1}\n"},{"Del":" else\n"},{"Del":" return a.pos <= b.pos\n"},{"Del":"end\n\n"},{"Del":" if a.line > b.line then\n"},{"Del":" return false\n end\n"},{"Del":" return a.pos < b.pos\nend\n\nfunction Text.le1(a, b)\n if a.line < b.line then\n"},{"Del":" return true\n end\n"},{"Del":"function Text.eq1(a, b)\n return a.line == b.line and a.pos == b.pos\n"},{"Del":"end\n\nfunction Text.lt1(a, b)\n if a.line < b.line then\n return true\n end\n if a.line > b.line then\n return false\n end\n"},{"Del":" local s = string.sub(line.data, screen_line_starting_byte_offset)\n--? print('return', mx, Text.nearest_cursor_pos(s, mx, State.left), '=>', screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1)\n return screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1\n"},{"Del":" end\n y = nexty\n end\n assert(false)\nend\n\nfunction Text.screen_line_width(State, line_index, i)\n local line = State.lines[line_index]\n local line_cache = State.line_cache[line_index]\n local start_pos = line_cache.screen_line_starting_pos[i]\n local start_offset = Text.offset(line.data, start_pos)\n local screen_line\n if i < #line_cache.screen_line_starting_pos then\n local past_end_pos = line_cache.screen_line_starting_pos[i+1]\n local past_end_offset = Text.offset(line.data, past_end_pos)\n screen_line = string.sub(line.data, start_offset, past_end_offset-1)\n else\n screen_line = string.sub(line.data, start_pos)\n end\n local screen_line_text = App.newText(love.graphics.getFont(), screen_line)\n return App.width(screen_line_text)\nend\n\n"},{"Del":" return line_cache.screen_line_starting_pos[screen_line_index+1]-1\n"},{"Del":" end\n"},{"Del":" if screen_line_index < #line_cache.screen_line_starting_pos and mx > State.left + Text.screen_line_width(State, line_index, screen_line_index) then\n"},{"Del":"--? print('past end of non-final line; return')\n"},{"Del":" local start_screen_line_index = Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos)\n for screen_line_index = start_screen_line_index,#line_cache.screen_line_starting_pos do\n local screen_line_starting_pos = line_cache.screen_line_starting_pos[screen_line_index]\n local screen_line_starting_byte_offset = Text.offset(line.data, screen_line_starting_pos)\n--? print('iter', y, screen_line_index, screen_line_starting_pos, string.sub(line.data, screen_line_starting_byte_offset))\n"},{"Del":" local nexty = y + State.line_height\n if my < nexty then\n -- On all wrapped screen lines but the final one, clicks past end of\n -- line position cursor on final character of screen line.\n -- (The final screen line positions past end of screen line as always.)\n"},{"Del":" Text.populate_screen_line_starting_pos(State, line_index)\n return y < line_cache.starty + State.line_height*(#line_cache.screen_line_starting_pos - Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos) + 1)\n"},{"Del":"end\n\n-- convert mx,my in pixels to schema-1 coordinates\n"},{"Del":"--? print('snap =>', State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)\n"},{"Del":" Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks\n"},{"Del":"--? print(y, 'top2:', top2.line, top2.screen_line, top2.screen_pos)\n"},{"Del":" if top2.line == 1 and top2.screen_line == 1 then break end\n"},{"Del":" top2.screen_pos = 1 -- start of screen line\n--? print('snap', State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)\n"},{"Del":"--? print('cursor pos '..tostring(State.cursor1.pos)..' is on the #'..tostring(top2.screen_line)..' screen line down')\n local y = App.screen.height - State.line_height\n -- duplicate some logic from love.draw\n while true do\n"},{"Del":"--? print('to2: =>', top2.line, top2.screen_line, top2.screen_pos)\n"},{"Del":" -- slide to start of screen line\n"},{"Del":"--? print('to2:', State.cursor1.line, State.cursor1.pos)\n"},{"Del":" local top2 = Text.to2(State, State.cursor1)\n"},{"Del":" return screen_lines[#screen_lines] <= State.cursor1.pos\n"},{"Del":"end\n\nfunction Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary(State)\n"},{"Del":" State.screen_top1 = {\n line=State.cursor1.line,\n pos=Text.pos_at_start_of_screen_line(State, State.cursor1),\n }\n Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks\n"},{"Del":" end\nend\n\n"},{"Del":" assert(State.lines[State.cursor1.line].mode == 'text')\n"},{"Del":" if State.cursor1.pos > 1 then\n State.cursor1.pos = State.cursor1.pos-1\n"},{"Del":" if Text.cursor_out_of_screen(State) then\n Text.snap_cursor_to_bottom_of_screen(State)\n"},{"Del":" end\nend\n\nfunction Text.match(s, pos, pat)\n local start_offset = Text.offset(s, pos)\n assert(start_offset)\n local end_offset = Text.offset(s, pos+1)\n assert(end_offset > start_offset)\n local curr = s:sub(start_offset, end_offset-1)\n return curr:match(pat)\nend\n\nfunction Text.left(State)\n"},{"Del":"function Text.word_right(State)\n -- skip some whitespace\n"},{"Del":" while true do\n if State.cursor1.pos > utf8.len(State.lines[State.cursor1.line].data) then\n break\n end\n if Text.match(State.lines[State.cursor1.line].data, State.cursor1.pos, '%S') then\n break\n end\n Text.right_without_scroll(State)\n end\n"},{"Del":" -- skip some non-whitespace\n"},{"Del":" while true do\n"},{"Del":" -- skip some whitespace\n"},{"Del":" while true do\n if State.cursor1.pos == 1 then\n break\n end\n if Text.match(State.lines[State.cursor1.line].data, State.cursor1.pos-1, '%S') then\n break\n end\n Text.left(State)\n end\n"},{"Del":" State.cursor1.pos = utf8.len(State.lines[State.cursor1.line].data) + 1\n"},{"Del":" if Text.cursor_out_of_screen(State) then\n Text.snap_cursor_to_bottom_of_screen(State)\n end\nend\n\nfunction Text.word_left(State)\n"},{"Del":" State.screen_top1 = {line=State.cursor1.line, pos=State.cursor1.pos} -- copy\n"},{"Del":" end\nend\n\nfunction Text.end_of_line(State)\n"},{"Del":" State.cursor1.pos = 1\n"},{"Del":" if Text.lt1(State.cursor1, State.screen_top1) then\n"},{"Del":" else\n -- move down one screen line in current line\n"},{"Del":" local scroll_down = Text.le1(State.screen_bottom1, State.cursor1)\n--? print('cursor is NOT at final screen line of its line')\n local screen_line_starting_pos, screen_line_index = Text.pos_at_start_of_screen_line(State, State.cursor1)\n Text.populate_screen_line_starting_pos(State, State.cursor1.line)\n local new_screen_line_starting_pos = State.line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index+1]\n--? print('switching pos of screen line at cursor from '..tostring(screen_line_starting_pos)..' to '..tostring(new_screen_line_starting_pos))\n local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)\n local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)\n State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1\n--? print('cursor pos is now', State.cursor1.line, State.cursor1.pos)\n if scroll_down then\n--? print('scroll up preserving cursor')\n Text.snap_cursor_to_bottom_of_screen(State)\n--? print('screen top after:', State.screen_top1.line, State.screen_top1.pos)\n end\n"},{"Del":" State.screen_top1 = {\n line=State.cursor1.line,\n pos=Text.pos_at_start_of_screen_line(State, State.cursor1),\n }\n Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks\n"},{"Del":" end\nend\n\n"},{"Del":" State.cursor1 = {line=State.screen_top1.line, pos=State.screen_top1.pos}\n"},{"Del":" Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary(State)\n--? print('top now', State.screen_top1.line)\n Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks\n--? print('pagedown end')\nend\n\nfunction Text.up(State)\n"},{"Del":" State.screen_top1 = {line=State.screen_bottom1.line, pos=State.screen_bottom1.pos}\n"},{"Del":" end\n--? print('setting top to', State.screen_top1.line, State.screen_top1.pos)\n"},{"Del":" if bot2.screen_line > 1 then\n bot2.screen_line = math.max(bot2.screen_line-10, 1)\n end\n"},{"Del":" local new_top1 = Text.to1(State, bot2)\n if Text.lt1(State.screen_top1, new_top1) then\n State.screen_top1 = new_top1\n else\n"},{"Del":" -- If a line/paragraph gets to a page boundary, I often want to scroll\n -- before I get to the bottom.\n -- However, only do this if it makes forward progress.\n"},{"Del":" local bot2 = Text.to2(State, State.screen_bottom1)\n"},{"Del":" State.cursor1 = {line=State.screen_top1.line, pos=State.screen_top1.pos}\n"},{"Del":" Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary(State)\n--? print(State.cursor1.line, State.cursor1.pos, State.screen_top1.line, State.screen_top1.pos)\n--? print('pageup end')\nend\n\nfunction Text.pagedown(State)\n--? print('pagedown')\n"},{"Del":" if State.screen_top1.line == 1 and State.screen_top1.pos == 1 then break end\n"},{"Del":" if State.lines[State.screen_top1.line].mode == 'text' then\n y = y - State.line_height\n elseif State.lines[State.screen_top1.line].mode == 'drawing' then\n y = y - Drawing_padding_height - Drawing.pixels(State.lines[State.screen_top1.line].h, State.width)\n end\n"},{"Del":" local byte_offset = Text.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)\n table.insert(State.lines, State.cursor1.line+1, {mode='text', data=string.sub(State.lines[State.cursor1.line].data, byte_offset)})\n table.insert(State.line_cache, State.cursor1.line+1, {})\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_offset-1)\n Text.clear_screen_line_cache(State, State.cursor1.line)\n State.cursor1 = {line=State.cursor1.line+1, pos=1}\n"},{"Del":"end\n\nfunction Text.pageup(State)\n--? print('pageup')\n -- duplicate some logic from love.draw\n local top2 = Text.to2(State, State.screen_top1)\n--? print(App.screen.height)\n local y = App.screen.height - State.line_height\n while y >= State.top do\n--? print(y, top2.line, top2.screen_line, top2.screen_pos)\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" State.selection1 = {line=State.cursor1.line, pos=State.cursor1.pos}\n"},{"Del":" end\n"},{"Del":" if State.cursor1.pos <= utf8.len(State.lines[State.cursor1.line].data) then\n"},{"Del":" local byte_start = utf8.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)\n local byte_end = utf8.offset(State.lines[State.cursor1.line].data, State.cursor1.pos+1)\n if byte_start then\n if byte_end then\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_start-1)..string.sub(State.lines[State.cursor1.line].data, byte_end)\n else\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_start-1)\n end\n -- no change to State.cursor1.pos\n"},{"Del":" if State.cursor1.pos <= utf8.len(State.lines[State.cursor1.line].data) then\n"},{"Del":" before = snapshot(State, State.cursor1.line)\n else\n before = snapshot(State, State.cursor1.line, State.cursor1.line+1)\n end\n"},{"Del":" State.screen_top1 = {\n line=State.cursor1.line,\n pos=Text.pos_at_start_of_screen_line(State, State.cursor1),\n }\n"},{"Del":" Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks\n end\n Text.clear_screen_line_cache(State, State.cursor1.line)\n assert(Text.le1(State.screen_top1, State.cursor1))\n schedule_save(State)\n record_undo_event(State, {before=before, after=snapshot(State, State.cursor1.line)})\n elseif chord == 'delete' then\n"},{"Del":" if State.cursor1.pos > 1 then\n"},{"Del":" before = snapshot(State, State.cursor1.line)\n local byte_start = utf8.offset(State.lines[State.cursor1.line].data, State.cursor1.pos-1)\n local byte_end = utf8.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)\n if byte_start then\n if byte_end then\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_start-1)..string.sub(State.lines[State.cursor1.line].data, byte_end)\n else\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_start-1)\n end\n State.cursor1.pos = State.cursor1.pos-1\n"},{"Del":" local byte_offset = Text.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_offset-1)..t..string.sub(State.lines[State.cursor1.line].data, byte_offset)\n Text.clear_screen_line_cache(State, State.cursor1.line)\n State.cursor1.pos = State.cursor1.pos+1\n"},{"Del":"end\n\n"},{"Del":" return y, screen_line_starting_pos\n"},{"Del":"end\n\nfunction Text.draw_cursor(State, x, y)\n -- blink every 0.5s\n if math.floor(Cursor_time*2)%2 == 0 then\n App.color(Cursor_color)\n love.graphics.rectangle('fill', x,y, 3,State.line_height)\n end\n State.cursor_x = x\n State.cursor_y = y+State.line_height\nend\n\nfunction Text.populate_screen_line_starting_pos(State, line_index)\n local line = State.lines[line_index]\n"},{"Del":" if Focus == 'edit' and not hide_cursor and State.search_term == nil then\n if line_index == State.cursor1.line and State.cursor1.pos == pos then\n Text.draw_cursor(State, x, y)\n"},{"Del":" end\n"},{"Del":" if line_index == State.cursor1.line then\n"},{"Del":" if pos <= State.cursor1.pos and pos + frag_len > State.cursor1.pos then\n if State.search_term then\n if State.lines[State.cursor1.line].data:sub(State.cursor1.pos, State.cursor1.pos+utf8.len(State.search_term)-1) == State.search_term then\n local lo_px = Text.draw_highlight(State, line, x,y, pos, State.cursor1.pos, State.cursor1.pos+utf8.len(State.search_term))\n App.color(Text_color)\n love.graphics.print(State.search_term, x+lo_px,y)\n end\n elseif Focus == 'edit' then\n Text.draw_cursor(State, x+Text.x(frag, State.cursor1.pos-pos+1), y)\n App.color(Text_color)\n end\n end\n end\n x = x + frag_width\n end\n pos = pos + frag_len\n end\n"},{"Del":" return y, screen_line_starting_pos\n"},{"Del":" end\n screen_line_starting_pos = pos\n x = State.left\n"},{"Del":" -- wrap long lines\n local x = State.left\n local pos = 1\n"},{"Del":" local screen_line_starting_pos = startpos\n Text.compute_fragments(State, line_index)\n local pos = 1\n initialize_color()\n for _, f in ipairs(line_cache.fragments) do\n App.color(Text_color)\n local frag, frag_text = f.data, f.text\n select_color(frag)\n local frag_len = utf8.len(frag)\n--? print('text.draw:', frag, 'at', line_index,pos, 'after', x,y)\n if pos < startpos then\n -- render nothing\n--? print('skipping', frag)\n else\n -- render fragment\n local frag_width = App.width(frag_text)\n if x + frag_width > State.right then\n assert(x > State.left) -- no overfull lines\n y = y + State.line_height\n if y + State.line_height > App.screen.height then\n"},{"Del":"-- return the final y, and position of start of final screen line drawn\nfunction Text.draw(State, line_index, y, startpos, hide_cursor)\n"},{"Del":" local line = State.lines[line_index]\n local line_cache = State.line_cache[line_index]\n line_cache.starty = y\n line_cache.startpos = startpos\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source_edit.lua","metadata":0},{"basename":"source_edit.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | 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schedule_save(State)\n elseif chord == 'C-v' then\n for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll\n -- We don't have a good sense of when to scroll, so we'll be conservative\n -- and sometimes scroll when we didn't quite need to.\n local before_line = State.cursor1.line\n local before = snapshot(State, before_line)\n local clipboard_data = App.getClipboardText()\n for _,code in utf8.codes(clipboard_data) do\n local c = utf8.char(code)\n if c == '\\n' then\n Text.insert_return(State)\n else\n Text.insert_at_cursor(State, c)\n end\n end\n if Text.cursor_out_of_screen(State) then\n Text.snap_cursor_to_bottom_of_screen(State, State.left, State.right)\n end\n schedule_save(State)\n record_undo_event(State, {before=before, after=snapshot(State, before_line, State.cursor1.line)})\n"},{"Del":" if State.font_height > 2 then\n edit.update_font_settings(State, State.font_height-2)\n Text.redraw_all(State)\n end\n"},{"Del":" elseif chord == 'C-0' then\n edit.update_font_settings(State, 20)\n Text.redraw_all(State)\n -- undo\n elseif chord == 'C-z' then\n for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll\n local event = undo_event(State)\n if event then\n local src = event.before\n State.screen_top1 = deepcopy(src.screen_top)\n State.cursor1 = deepcopy(src.cursor)\n"},{"Del":" cursor={line=State.cursor1.line, pos=State.cursor1.pos},\n screen_top={line=State.screen_top1.line, pos=State.screen_top1.pos},\n"},{"Del":" }\n assert(State.search_text == nil)\n"},{"Del":" State.cursor1.pos = State.cursor1.pos+1\n"},{"Del":" Text.search_next(State)\n elseif chord == 'up' then\n Text.search_previous(State)\n end\n return\n elseif chord == 'C-f' then\n State.search_term = ''\n State.search_backup = {\n"},{"Del":" State.cursor1 = {\n line=line_index,\n pos=Text.to_pos_on_line(State, line_index, x, y),\n }\n--? print('cursor', State.cursor1.line, State.cursor1.pos)\n"},{"Del":" if State.mousepress_shift then\n if State.old_selection1.line == nil then\n State.selection1 = State.old_cursor1\n else\n State.selection1 = State.old_selection1\n end\n end\n State.old_cursor1, State.old_selection1, State.mousepress_shift = nil\n if eq(State.cursor1, State.selection1) then\n State.selection1 = {}\n end\n break\n end\n end\n end\n--? print('selection:', State.selection1.line, State.selection1.pos)\n"},{"Del":" State.selection1 = {\n line=line_index,\n pos=Text.to_pos_on_line(State, line_index, x, y),\n }\n--? print('selection', State.selection1.line, State.selection1.pos)\n"},{"Del":" break\n end\n elseif line.mode == 'drawing' then\n local line_cache = State.line_cache[line_index]\n if Drawing.in_drawing(line, line_cache, x, y, State.left,State.right) then\n State.lines.current_drawing_index = line_index\n State.lines.current_drawing = line\n Drawing.before = snapshot(State, line_index)\n"},{"Del":"--? print('press', State.selection1.line, State.selection1.pos)\n"},{"Del":" if mouse_press_consumed_by_any_button_handler(State, x,y, mouse_button) then\n -- press on a button and it returned 'true' to short-circuit\n return\n end\n\n for line_index,line in ipairs(State.lines) do\n"},{"Del":" -- give some time for the OS to flush everything to disk\n love.timer.sleep(0.1)\n"},{"Del":" end\nend\n\n"},{"Del":" y, State.screen_bottom1.pos = Text.draw(State, line_index, y, startpos, hide_cursor)\n"},{"Del":" y = y + State.line_height\n--? print('=> y', y)\n elseif line.mode == 'drawing' then\n y = y+Drawing_padding_top\n Drawing.draw(State, line_index, y)\n y = y + Drawing.pixels(line.h, State.width) + Drawing_padding_bottom\n else\n print(line.mode)\n assert(false)\n"},{"Del":" startpos = State.screen_top1.pos\n"},{"Del":" end\n if line.data == '' then\n -- button to insert new drawing\n button(State, 'draw', {x=4,y=y+4, w=12,h=12, color={1,1,0},\n icon = icon.insert_drawing,\n onpress1 = function()\n Drawing.before = snapshot(State, line_index-1, line_index)\n table.insert(State.lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})\n table.insert(State.line_cache, line_index, {})\n if State.cursor1.line >= line_index then\n State.cursor1.line = State.cursor1.line+1\n end\n schedule_save(State)\n record_undo_event(State, {before=Drawing.before, after=snapshot(State, line_index-1, line_index+1)})\n end,\n })\n"},{"Del":"--? print('text.draw', y, line_index)\n local startpos = 1\n"},{"Del":" if line_index == State.screen_top1.line then\n"},{"Del":" State.screen_bottom1 = {line=line_index, pos=nil}\n"},{"Del":" if line.mode == 'text' then\n"},{"Del":"--? print('draw:', y, line_index, line)\n"},{"Del":" if y + State.line_height > App.screen.height then break end\n"},{"Del":" print(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos)\n"},{"Del":" assert(false)\n end\n State.cursor_x = nil\n State.cursor_y = nil\n local y = State.top\n--? print('== draw')\n for line_index = State.screen_top1.line,#State.lines do\n local line = State.lines[line_index]\n"},{"Del":" left = math.floor(left),\n right = math.floor(right),\n"},{"Del":" width = right-left,\n\n"},{"Del":" screen_top1 = {line=1, pos=1}, -- position of start of screen line at top of screen\n cursor1 = {line=1, pos=1}, -- position of cursor\n screen_bottom1 = {line=1, pos=1}, -- position of start of screen line at bottom of screen\n"},{"Del":"\n selection1 = {},\n -- some extra state to compute selection between mouse press and release\n old_cursor1 = nil,\n old_selection1 = nil,\n mousepress_shift = nil,\n -- when selecting text, avoid recomputing some state on every single frame\n recent_mouse = {},\n"},{"Del":" lines = {{mode='text', data=''}}, -- array of lines\n"},{"Del":"\n -- Lines can be too long to fit on screen, in which case they _wrap_ into\n -- multiple _screen lines_.\n\n -- rendering wrapped text lines needs some additional short-lived data per line:\n -- startpos, the index of data the line starts rendering from, can only be >1 for topmost line on screen\n -- starty, the y coord in pixels the line starts rendering from\n -- fragments: snippets of rendered love.graphics.Text, guaranteed to not straddle screen lines\n -- screen_line_starting_pos: optional array of grapheme indices if it wraps over more than one screen line\n line_cache = {},\n\n -- Given wrapping, any potential location for the text cursor can be described in two ways:\n -- * schema 1: As a combination of line index and position within a line (in utf8 codepoint units)\n -- * schema 2: As a combination of line index, screen line index within the line, and a position within the screen line.\n"},{"Del":" -- a line is either text or a drawing\n -- a text is a table with:\n"},{"Del":" -- mode = 'text',\n -- string data,\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source.lua","metadata":0},{"basename":"source.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":2},"to":{"change":6,"start":177715,"end":177749},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":2},"to":{"change":6,"start":177715,"end":177749},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":177749},"to":{"change":6,"start":165829,"end":165829},"introduced_by":3}],"inode":{"change":6,"pos":165829}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":167384},"to":{"change":4,"start":9775,"end":9809},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":9809},"to":{"change":6,"start":167435,"end":167543},"introduced_by":4}],"inode":{"change":6,"pos":165829}},"content":[{"Del":"-- environment for a mutable file\n"},{"Del":"-- TODO: some initialization is also happening in load_settings/initialize_default_settings. Clean that up.\n"}]}},{"FileDel":{"deleted_names":[{"basename":"log_browser.lua","metadata":0},{"basename":"log_browser.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":2},"to":{"change":6,"start":202684,"end":202723},"introduced_by":6},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":2},"to":{"change":6,"start":202684,"end":202723},"introduced_by":6},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":6,"pos":202723},"to":{"change":6,"start":191243,"end":191243},"introduced_by":6}],"inode":{"change":6,"pos":191243}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":200109},"to":{"change":4,"start":9863,"end":9919},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":9919},"to":{"change":6,"start":200175,"end":200351},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":192064},"to":{"change":4,"start":9816,"end":9862},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":9862},"to":{"change":6,"start":192112,"end":192573},"introduced_by":4}],"inode":{"change":6,"pos":191243}},"content":[{"Del":" Editor_state.cursor1 = {line=line.line_number, pos=1}\n"},{"Del":" -- make sure it's visible\n -- TODO: handle extremely long lines\n Editor_state.screen_top1.line = math.max(0, Editor_state.cursor1.line-5)\n -- show cursor\n Focus = 'edit'\n"},{"Del":" Log_browser_state.cursor1 = {line=1, pos=1}\n"},{"Del":"end\n\nSection_stack = {}\nSection_border_color = {r=0.7, g=0.7, b=0.7}\nCursor_line_background_color = {r=0.7, g=0.7, b=0, a=0.1}\n\nSection_border_padding_horizontal = 30 -- TODO: adjust this based on font height (because we draw text vertically along the borders\nSection_border_padding_vertical = 15 -- TODO: adjust this based on font height\n\nlog_browser = {}\n\nfunction log_browser.parse(State)\n for _,line in ipairs(State.lines) do\n if line.data ~= '' then\n"}]}},{"Edit":{"inode":{"change":6,"pos":1},"path":"text.lua","line":622,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":580},"to":{"change":6,"start":651,"end":834},"introduced_by":6}],"inode":{"change":6,"pos":1}}},"contents":[{"Del":"--? print('snap', State.screen_top1.line, State.screen_top1.pos, State.screen_top1.posB, State.cursor1.line, State.cursor1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)\n"}]}},{"ResurrectZombie":{"inode":{"change":6,"pos":6},"path":"README.md","line":62,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK","from":{"change":6,"pos":107},"to":{"change":6,"start":35,"end":36},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK","from":{"change":6,"pos":107},"to":{"change":6,"start":35,"end":36},"introduced_by":6}],"inode":{"change":6,"pos":6}}},"contents":[{"Add":"\n"}]}}],"owner":"akkartik","repo":"sum-grid.love","token":"Rarg1sxKWV1efdTxXnCe66VI8v/F1HIsOPsqSVPv9aY=","login":null}

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