| Commit message (Collapse) | Author | Age | Files | Lines |
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We're going to focus on a simple text editor for now.
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- loading a file from the command line
- don't insert empty lines when loading a file from the command line
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I solemnly swear that I am aware of the risk of data loss..
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Also found a couple of bugs in the process.
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Deleting a point deletes all shapes that use it (but not other points in those shapes).
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any other operation
1. hover over point, hit C-v
2. press mouse on point, hit v
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Hover mouse on a point, hit a hotkey (C-v), then move mouse without
clicking, and click to finalize.
The hotkey is like a pointer tool, except you have to already be at the
thing you want to erase. And it's slightly inconvenient to move multiple
points one by one.
In the process I also fixed a bug: keychord clauses should always
specify the mouse button state.
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line->circle
circle->line
line->polygon
polygon->line
circle->polygon
polygon->circle
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We start out drawing a circle, but instead of releasing the mouse we hit
'a'.
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Polygons are closed. Add vertices to them by pressing 'p' while holding
down the mouse.
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Thanks Kiran and Ravi.
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This is like Sketchpad.
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Freehand strokes are a special case. Let's ignore them for a bit.
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the drawing
Easiest way to do this is to keep the screen areas for button and drawing disjoint.
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Desired properties:
- fluently draw lots of precise drawings
- requires expressing lots of different kinds of constraints
- always know what pressing a key is going to do
- when typing, don't care where the mouse pointer is
Less important:
- discoverability, learnability. Provide a hotkey for help.
Current plan:
- chorded keys to modify drawings while mouse button is not pressed
- unchorded keys to modify drawings only while mouse button is pressed
- make changes while drawing a shape by pressing a key while mouse
button is pressed
- make changes to a drawing by hovering mouse pointer at a shape and
pressing a key (unary operators)
- add constraints after drawing by hovering mouse pointer at a shape,
pressing a key and moving mouse pointer to a second shape (binary
operators)
- almost any change can be made to a shape after it's drawn (inspired
by Sketchpad)
- keys pressed while drawing a shape act as abbreviations to
performing the action after drawing
First example in this PR:
- you press mouse button, start drawing freehand
- you realize you want a simple line, not a freehand stroke
- without releasing the mouse button, you press 'l'
- now you're drawing a straight line
You could also release the mouse button and finish the stroke, then
press 'ctrl-l' while hovering the mouse pointer on the stroke to turn it
into a line.
There's an asymmetry here. Strokes require a lot more information, so
while you can turn a stroke into a line, you can't turn a line into a
stroke.
Strokes are an exception where you can't switch to freehand mode after
you start drawing. You have to press C-f before drawing.
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https://merveilles.town/@neauoire/108301005736317873
Drawbacks:
Smoothing eliminates high-frequency noise but not low-frequency bumps.
Making a drawing end at the start point is very challenging.
Still perhaps a useful addition to the toolbox for now. I'm going to
need a cambrian explosion of tools in the toolbox for a while before I
prune.
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