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## Description
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- Windows are represented as the leaves of a binary tree.
- To each leaf corresponds exactly one window.
- The only nodes which can be focused are the leaves.
- The leaves are called *window nodes* .
- The other nodes are called *container nodes* .
- Only two methods of node insertion will be provided: *replace* and *pair* .
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Example: insertion of a new node (number 4) into the given tree with the
*replace* method:
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b c
/ \ / \
3 a --> 4 b
^ / \ ^ / \
2 1 3 a
/ \
2 1
+-------------------------+ +-------------------------+
| | | | | |
| | 2 | | | 3 |
| | | | | |
| 3 |------------| --> | 4 |------------|
| ^ | | | ^ | | |
| | 1 | | | 2 | 1 |
| | | | | | |
+-------------------------+ +-------------------------+
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And with the *pair* method:
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b b
/ \ / \
3 a --> c a
^ / \ / \ / \
2 1 4 3 2 1
^
+-------------------------+ +-------------------------+
| | | | | |
| | 2 | | 4 | 2 |
| | | | ^ | |
| 3 |------------| --> |------------|------------|
| ^ | | | | |
| | 1 | | 3 | 1 |
| | | | | |
+-------------------------+ +-------------------------+
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- Each container node is a split rectangle.
- Several tree transformations will be provided: directional leaf swap, node
pulling, rotation, contraction, dilatation...
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## Planned Features
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- Directional focus movement.
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- Float individual windows.
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- Resize and move floating windows with the keyboard.
- Resize and move floating windows on a regular magnetic grid (the granularity of the grid might be related to GCD(screen\_width, screen\_height)).
- Double window borders. Rationale: with single borders, it might happen that the color of the window border is too close to the color of the window content to be visible.
- For floating windows, double borders will not be enough to always see the external borders: in order to solve the problem a custom X window property will be set, and a patch for `compton` will be provided (the third border will be the generated shadow).
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- Directional *pair* splitting preselection (feedback in the window border).
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- Don't automatically give the focus to toolbar windows.
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- When a fullscreen window looses the focus, its fullscreen state will be set to *false* if the window to be focused is in the same desktop.
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- Change settings and call methods at runtime.
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- Configuration file in Lua.
