extract couple of functions
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cb943b9aeb
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76
text.lua
76
text.lua
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@ -769,41 +769,9 @@ function Text.keychord_pressed(chord)
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Text.insert_at_cursor('\t')
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save_to_disk(Lines, Filename)
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elseif chord == 'left' then
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assert(Lines[Cursor1.line].mode == 'text')
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if Cursor1.pos > 1 then
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Cursor1.pos = Cursor1.pos-1
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else
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local new_cursor_line = Cursor1.line
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while new_cursor_line > 1 do
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new_cursor_line = new_cursor_line-1
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if Lines[new_cursor_line].mode == 'text' then
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Cursor1.line = new_cursor_line
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Cursor1.pos = utf8.len(Lines[Cursor1.line].data) + 1
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break
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end
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end
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if Cursor1.line < Screen_top1.line then
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Screen_top1.line = Cursor1.line
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end
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end
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Text.left()
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elseif chord == 'right' then
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assert(Lines[Cursor1.line].mode == 'text')
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if Cursor1.pos <= utf8.len(Lines[Cursor1.line].data) then
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Cursor1.pos = Cursor1.pos+1
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else
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local new_cursor_line = Cursor1.line
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while new_cursor_line <= #Lines-1 do
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new_cursor_line = new_cursor_line+1
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if Lines[new_cursor_line].mode == 'text' then
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Cursor1.line = new_cursor_line
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Cursor1.pos = 1
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break
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end
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end
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if Cursor1.line > Screen_bottom1.line then
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Screen_top1.line = Cursor1.line
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end
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end
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Text.right()
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elseif chord == 'home' then
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Cursor1.pos = 1
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elseif chord == 'end' then
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@ -957,6 +925,46 @@ function Text.keychord_pressed(chord)
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end
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end
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function Text.left()
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assert(Lines[Cursor1.line].mode == 'text')
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if Cursor1.pos > 1 then
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Cursor1.pos = Cursor1.pos-1
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else
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local new_cursor_line = Cursor1.line
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while new_cursor_line > 1 do
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new_cursor_line = new_cursor_line-1
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if Lines[new_cursor_line].mode == 'text' then
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Cursor1.line = new_cursor_line
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Cursor1.pos = utf8.len(Lines[Cursor1.line].data) + 1
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break
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end
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end
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if Cursor1.line < Screen_top1.line then
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Screen_top1.line = Cursor1.line
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end
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end
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end
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function Text.right()
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assert(Lines[Cursor1.line].mode == 'text')
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if Cursor1.pos <= utf8.len(Lines[Cursor1.line].data) then
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Cursor1.pos = Cursor1.pos+1
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else
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local new_cursor_line = Cursor1.line
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while new_cursor_line <= #Lines-1 do
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new_cursor_line = new_cursor_line+1
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if Lines[new_cursor_line].mode == 'text' then
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Cursor1.line = new_cursor_line
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Cursor1.pos = 1
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break
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end
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end
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if Cursor1.line > Screen_bottom1.line then
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Screen_top1.line = Cursor1.line
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end
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end
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end
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function Text.pos_at_start_of_cursor_screen_line()
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if Lines[Cursor1.line].screen_line_starting_pos == nil then
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return 1,1
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