bugfix: clicking past end of screen line

[?]

Jun 29, 2022, 4:11 PM

GJLOKCYKETWXJXBOS5222HVZIKBDOGLLR5QLUZYCTZG7FBYDTQMQC

Dependencies

[2] 4VKEE43Z bugfix
[3] 2RXZ3PGO beginning of a new approach to scroll+wrap
[4] GE56XURA bugfix: cursor past end of screen line
[5] 5L7K4GBD clicking to the right of a wrapped line
[6] 5FW7YOFT highlight selection while dragging
[7] BOFNXP5G clicking now moves the cursor even on long, wrapped lines
[*] LXTTOB33 extract a couple of files
[*] BULPIBEG beginnings of a module for the text editor

Change contents

edit in text_tests.lua at line 164

[9.2457]

[2.2]

function test_click_on_wrapping_line()
io.write('\ntest_click_on_wrapping_line')
-- display a wrapping line
App.screen.init{width=80, height=80}
-- 12345678901234
Lines = load_array{"madam I'm adam"}
Line_width = 75
Cursor1 = {line=1, pos=1}
Screen_top1 = {line=1, pos=1}
Screen_bottom1 = {}
App.draw()
local y = Margin_top
App.screen.check(y, 'madam ', 'F - test_click_on_wrapping_line/baseline/screen:1')
y = y + Line_height
App.screen.check(y, "I'm ada", 'F - test_click_on_wrapping_line/baseline/screen:2')
y = y + Line_height
-- click past end of second screen line
App.draw()
App.run_after_mouse_click(App.screen.width-2,y-2, 1)
-- cursor moves to end of screen line
check_eq(Cursor1.line, 1, 'F - test_click_on_wrapping_line/cursor:line')
check_eq(Cursor1.pos, 13, 'F - test_click_on_wrapping_line/cursor:pos')
end

function test_click_past_end_of_wrapping_line()
io.write('\ntest_click_past_end_of_wrapping_line')
-- display a wrapping line
App.screen.init{width=80, height=80}
-- 12345678901234
Lines = load_array{"madam I'm adam"}
Line_width = 75
Cursor1 = {line=1, pos=1}
Screen_top1 = {line=1, pos=1}
Screen_bottom1 = {}
App.draw()
local y = Margin_top
App.screen.check(y, 'madam ', 'F - test_click_past_end_of_wrapping_line/baseline/screen:1')
y = y + Line_height
App.screen.check(y, "I'm ada", 'F - test_click_past_end_of_wrapping_line/baseline/screen:2')
y = y + Line_height
App.screen.check(y, 'm', 'F - test_click_past_end_of_wrapping_line/baseline/screen:3')
y = y + Line_height
-- click past the end of it
App.draw()
App.run_after_mouse_click(App.screen.width-2,y-2, 1)
-- cursor moves to end of line
check_eq(Cursor1.pos, 15, 'F - test_click_past_end_of_wrapping_line/cursor') -- one more than the number of UTF-8 code-points
end
replacement in text.lua at line 688

[2.1535]→[3.1245:1311](∅→∅),[3.437]→[3.1245:1311](∅→∅)

return line.screen_line_starting_pos[screen_line_index+1]

[2.1535]

[3.528]

return line.screen_line_starting_pos[screen_line_index+1]-1