# Usage

## Keyboard Shortcuts

### Navigation

| Key   | Action            | Status  |
|:------|:------------------|:--------|
| `←`   | Previous document | working |
| `→`   | Next document     | working |

### Transformations

| Key         | Action                         | Status  |
|:------------|:-------------------------------|:--------|
| `H`         | Flip horizontal                | working |
| `V`         | Flip vertical                  | working |
| `R`         | Rotate clockwise (90°)         | working |
| `Shift + R` | Rotate counter-clockwise (90°) | working |

### Zoom

| Key       | Action                     | Status  |
|:----------|:---------------------------|:--------|
| `+` / `=` | Zoom in                    | partial |
| `-`       | Zoom out                   | partial |
| `1`       | Reset zoom (100% / actual) | working |
| `F`       | Fit image to window        | working |

### Pan

| Key        | Action             | Status              |
|:-----------|:-------------------|:--------------------|
| `Ctrl + ←` | Pan left           | not yet implemented |
| `Ctrl + →` | Pan right          | not yet implemented |
| `Ctrl + ↑` | Pan up             | not yet implemented |
| `Ctrl + ↓` | Pan down           | not yet implemented |
| `0`        | Reset pan (center) | not yet implemented |

### Modes

| Key | Action                 | Status              |
|:----|:-----------------------|:--------------------|
| `C` | Toggle crop mode       | not yet implemented |
| `S` | Toggle scale mode      | not yet implemented |
| `A` | Toggle anotation mode  | not yet implemented |