diff options
| -rw-r--r-- | text.lua | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/text.lua b/text.lua index ac8adbd..74978da 100644 --- a/text.lua +++ b/text.lua @@ -657,6 +657,38 @@ function test_pageup_scrolls_up_from_middle_screen_line() App.screen.check(y, 'ghi ', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:3') end +function test_enter_on_bottom_line_scrolls_down() + io.write('\ntest_enter_on_bottom_line_scrolls_down') + -- display a few lines with cursor on bottom line + App.screen.init{width=25+30, height=60} + Lines = load_array{'abc', 'def', 'ghi', 'jkl'} + Line_width = App.screen.width + Cursor1 = {line=3, pos=2} + Screen_top1 = {line=1, pos=1} + Screen_bottom1 = {} + Zoom = 1 + local screen_top_margin = 15 -- pixels + local line_height = math.floor(15*Zoom) -- pixels + App.draw() + local y = screen_top_margin + App.screen.check(y, 'abc', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:1') + y = y + line_height + App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:2') + y = y + line_height + App.screen.check(y, 'ghi', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:3') + -- after hitting the enter key the screen scrolls down + App.run_after_keychord('return') + check_eq(Screen_top1.line, 2, 'F - test_enter_on_bottom_line_scrolls_down/screen_top') + check_eq(Cursor1.line, 4, 'F - test_enter_on_bottom_line_scrolls_down/cursor:line') + check_eq(Cursor1.pos, 1, 'F - test_enter_on_bottom_line_scrolls_down/cursor:pos') + y = screen_top_margin + App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/screen:1') + y = y + line_height + App.screen.check(y, 'g', 'F - test_enter_on_bottom_line_scrolls_down/screen:2') + y = y + line_height + App.screen.check(y, 'hi', 'F - test_enter_on_bottom_line_scrolls_down/screen:3') +end + function test_position_cursor_on_recently_edited_wrapping_line() -- draw a line wrapping over 2 screen lines io.write('\ntest_position_cursor_on_recently_edited_wrapping_line') @@ -767,6 +799,10 @@ function Text.keychord_pressed(chord) Cursor1.line = Cursor1.line+1 Cursor1.pos = 1 save_to_disk(Lines, Filename) + if Cursor1.line > Screen_bottom1.line then + Screen_top1.line = Cursor1.line + Text.scroll_up_while_cursor_on_screen() + end elseif chord == 'tab' then Text.insert_at_cursor('\t') save_to_disk(Lines, Filename) |