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return State.screen_bottom1.line, Text.pos_at_end_of_screen_line(State, State.screen_bottom1)
end
function Text.cut_selection(State)
if State.selection1.line == nil then return end
local result = Text.selection(State)
Text.delete_selection(State)
return result
end
function Text.delete_selection(State)
if State.selection1.line == nil then return end
local minl,maxl = minmax(State.selection1.line, State.cursor1.line)
local before = snapshot(State, minl, maxl)
Text.delete_selection_without_undo(State)
record_undo_event(State, {before=before, after=snapshot(State, State.cursor1.line)})
end
function Text.delete_selection_without_undo(State)
if State.selection1.line == nil then return end
-- min,max = sorted(State.selection1,State.cursor1)
local minl,minp = State.selection1.line,State.selection1.pos
local maxl,maxp = State.cursor1.line,State.cursor1.pos
if minl > maxl then
minl,maxl = maxl,minl
minp,maxp = maxp,minp
elseif minl == maxl then
if minp > maxp then
minp,maxp = maxp,minp
end
end
-- update State.cursor1 and State.selection1
State.cursor1.line = minl
State.cursor1.pos = minp
if Text.lt1(State.cursor1, State.screen_top1) then
State.screen_top1.line = State.cursor1.line
State.screen_top1.pos = Text.pos_at_start_of_screen_line(State, State.cursor1)
end
State.selection1 = {}
-- delete everything between min (inclusive) and max (exclusive)
Text.clear_screen_line_cache(State, minl)
local min_offset = Text.offset(State.lines[minl].data, minp)
local max_offset = Text.offset(State.lines[maxl].data, maxp)
if minl == maxl then
--? print('minl == maxl')
State.lines[minl].data = State.lines[minl].data:sub(1, min_offset-1)..State.lines[minl].data:sub(max_offset)
return
end
assert(minl < maxl)
local rhs = State.lines[maxl].data:sub(max_offset)
for i=maxl,minl+1,-1 do
table.remove(State.lines, i)
table.remove(State.line_cache, i)
end
State.lines[minl].data = State.lines[minl].data:sub(1, min_offset-1)..rhs
end
function Text.selection(State)
if State.selection1.line == nil then return end
-- min,max = sorted(State.selection1,State.cursor1)
local minl,minp = State.selection1.line,State.selection1.pos
local maxl,maxp = State.cursor1.line,State.cursor1.pos
if minl > maxl then
minl,maxl = maxl,minl
minp,maxp = maxp,minp
elseif minl == maxl then
if minp > maxp then
minp,maxp = maxp,minp
end
end
local min_offset = Text.offset(State.lines[minl].data, minp)
local max_offset = Text.offset(State.lines[maxl].data, maxp)
if minl == maxl then
return State.lines[minl].data:sub(min_offset, max_offset-1)
end
assert(minl < maxl)
local result = {State.lines[minl].data:sub(min_offset)}
for i=minl+1,maxl-1 do
if State.lines[i].mode == 'text' then
table.insert(result, State.lines[i].data)
end
end
table.insert(result, State.lines[maxl].data:sub(1, max_offset-1))
return table.concat(result, '\n')
end
local x,y = App.mouse_x(), App.mouse_y()
if y < State.line_cache[State.screen_top1.line].starty then
return State.screen_top1.line, State.screen_top1.pos
end
end
function test_select_text_using_mouse_starting_above_text()
App.screen.init{width=50, height=60}
Editor_state = edit.initialize_test_state()
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=1, pos=1}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
Editor_state.selection1 = {}
edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
-- press mouse above first line of text
edit.run_after_mouse_press(Editor_state, Editor_state.left+8,5, 1)
check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
check_eq(Editor_state.selection1.line, 1, 'selection:line')
check_eq(Editor_state.selection1.pos, 1, 'selection:pos')
function test_select_text_using_mouse_starting_above_text_wrapping_line()
-- first screen line starts in the middle of a line
App.screen.init{width=50, height=60}
Editor_state = edit.initialize_test_state()
Editor_state.lines = load_array{'abc', 'defgh', 'xyz'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=2, pos=5}
Editor_state.screen_top1 = {line=2, pos=3}
Editor_state.screen_bottom1 = {}
-- press mouse above first line of text
edit.run_after_mouse_press(Editor_state, Editor_state.left+8,5, 1)
-- selection is at screen top
check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
check_eq(Editor_state.selection1.line, 2, 'selection:line')
check_eq(Editor_state.selection1.pos, 3, 'selection:pos')
end
function test_select_text_using_mouse_starting_below_text()
-- I'd like to test what happens when a mouse click is below some page of
-- text, potentially even in the middle of a line.
-- However, it's brittle to set up a text line boundary just right.
-- So I'm going to just check things below the bottom of the final line of
-- text when it's in the middle of the screen.
-- final screen line ends in the middle of screen
App.screen.init{width=50, height=60}
Editor_state = edit.initialize_test_state()
Editor_state.lines = load_array{'abcde'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=1, pos=1}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
edit.draw(Editor_state)
local y = Editor_state.top
App.screen.check(y, 'ab', 'baseline:screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'cde', 'baseline:screen:2')
-- press mouse above first line of text
edit.run_after_mouse_press(Editor_state, 5,App.screen.height-5, 1)
-- selection is past bottom-most text in screen
check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
check_eq(Editor_state.selection1.line, 1, 'selection:line')
check_eq(Editor_state.selection1.pos, 6, 'selection:pos')
end
end
function test_select_all_text()
-- display a single line of text
App.screen.init{width=75, height=80}
Editor_state = edit.initialize_test_state()
Editor_state.lines = load_array{'abc def'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=1, pos=1}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
edit.draw(Editor_state)
-- select all
App.fake_key_press('lctrl')
edit.run_after_keychord(Editor_state, 'C-a')
App.fake_key_release('lctrl')
edit.key_release(Editor_state, 'lctrl')
-- selection
check_eq(Editor_state.selection1.line, 1, 'selection:line')
check_eq(Editor_state.selection1.pos, 1, 'selection:pos')
check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
check_eq(Editor_state.cursor1.pos, 8, 'cursor:pos')
end
function test_select_text_using_mouse_and_shift()
end
-- Arguably this should be called source_edit_tests.lua,
-- but that would mess up the git blame at this point.
function test_initial_state()
function Text.pos_at_end_of_screen_line(State, loc1)
Text.populate_screen_line_starting_pos(State, loc1.line)
local line_cache = State.line_cache[loc1.line]
local most_recent_final_pos = utf8.len(State.lines[loc1.line].data)+1
for i=#line_cache.screen_line_starting_pos,1,-1 do
local spos = line_cache.screen_line_starting_pos[i]
if spos <= loc1.pos then
return most_recent_final_pos
end
most_recent_final_pos = spos-1
end
assert(false)
end
function Text.cursor_at_final_screen_line(State)
Text.populate_screen_line_starting_pos(State, State.cursor1.line)
-- result: pos, index of screen line
function Text.pos_at_start_of_screen_line(State, loc1)
Text.populate_screen_line_starting_pos(State, loc1.line)
local line_cache = State.line_cache[loc1.line]
for i=#line_cache.screen_line_starting_pos,1,-1 do
local spos = line_cache.screen_line_starting_pos[i]
if spos <= loc1.pos then
return spos,i
--? print_and_log(('edit.mouse_press: cursor at %d,%d'):format(State.cursor1.line, State.cursor1.pos))
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
--? print_and_log('edit.mouse_release: no current drawing')
--? print_and_log(('edit.mouse_release: in line %d'):format(line_index))
--? print_and_log(('edit.mouse_release: cursor now %d,%d'):format(State.cursor1.line, State.cursor1.pos))
--? 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))
end
end
function edit.mouse_wheel_move(State, dx,dy)
if dy > 0 then
State.cursor1 = {line=State.screen_top1.line, pos=State.screen_top1.pos}
for i=1,math.floor(dy) do
Text.up(State)
end
elseif dy < 0 then
State.cursor1 = {line=State.screen_bottom1.line, pos=State.screen_bottom1.pos}
for i=1,math.floor(-dy) do
Text.down(State)
end
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
break
end
end
end
State.cursor1 = {
line=line_index,
pos=Text.to_pos_on_line(State, line_index, x, y),
}
for line_index,line in ipairs(State.lines) do
if line.mode == 'text' then
if Text.in_line(State, line_index, x,y) then
--? print_and_log(('edit.mouse_release: cursor at %d,%d'):format(State.cursor1.line, State.cursor1.pos))
if State.lines.current_drawing then
-- still here? click is below all screen lines
State.old_cursor1 = State.cursor1
State.old_selection1 = State.selection1
State.mousepress_shift = App.shift_down()
State.selection1 = {
line=State.screen_bottom1.line,
pos=Text.pos_at_end_of_screen_line(State, State.screen_bottom1),
}
end
return
end
return
end
elseif line.mode == 'drawing' then
local line_cache = State.line_cache[line_index]
if Drawing.in_drawing(line, line_cache, x, y, State.left,State.right) then
State.lines.current_drawing_index = line_index
State.lines.current_drawing = line
Drawing.before = snapshot(State, line_index)
--? print_and_log(('edit.mouse_press: in line %d'):format(line_index))
State.old_cursor1 = State.cursor1
State.old_selection1 = State.selection1
State.mousepress_shift = App.shift_down()
for line_index,line in ipairs(State.lines) do
if mouse_press_consumed_by_any_button_handler(State, x,y, mouse_button) then
-- press on a button and it returned 'true' to short-circuit
return
end
State.screen_bottom1 = screen_bottom1
if State.search_term then
Text.draw_search_bar(State)
end
end
function edit.update(State, dt)
y, screen_bottom1.pos = Text.draw(State, line_index, y, startpos, hide_cursor)
--? 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
print(line.mode)
assert(false)
screen_bottom1.line = line_index
if line.mode == 'text' then
local screen_bottom1 = {line=nil, pos=nil}
--? print('== draw')
for line_index = State.screen_top1.line,#State.lines do
local line = State.lines[line_index]
function print_and_log(s)
print(s)
log(3, s)
end
function source.load_settings()
local settings = Settings.source
love.graphics.setFont(love.graphics.newFont(settings.font_height))
function print_and_log(s)
print(s)
log(3, s)
end
function run.load_settings()
love.graphics.setFont(love.graphics.newFont(Settings.font_height))