38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
file load:
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cursor_line = 1
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first line is a drawing -> cursor_line = 2
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click on text -> cursor moves
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click on first character of text -> cursor on first character of text
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click to right of text -> cursor past end of line
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click to right of wrapped text -> cursor on final character of line
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click on drawing -> cursor doesn't move
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cursor past end of line -> renders
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create drawing -> cursor bumps down below drawing
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backspace
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cursor_pos == 0, previous line is a drawing -> delete drawing, cursor still visible at start of line
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cursor_pos == 0, previous line is text -> join lines, cursor still at same character
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drawing
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draw a line, circle, rectangle, square, polygon
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select a point and move it
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select a point and name it
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enter
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cursor_pos == 0 -> insert empty line above current line
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scrolling:
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given moby dick, a file containing all text:
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page up moves top line on screen to bottom
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page down moves bottom line on screen to top
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cursor remains on screen
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cursor remains on text line
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'up' arrow with cursor at top of screen scrolls up one line (drawings still fully in or out)
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if cursor line wrapped before, it scrolls up by only one screen line
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if previous line (above top of screen) wrapped, it scrolls up by only one screen line
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'down' arrow with cursor at bottom of screen scrolls down one line (drawings still fully in or out)
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if cursor line wrapped before, it scrolls down by only one screen line
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persistence:
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draw a line, circle, rectangle, square, polygon, quit, restart. All the shapes you drew should still be visible.
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select a point and name it, quit, restart. Name is still visible.
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