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Introduce invert_fl_scroll config option #140

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Introduce invert_fl_scroll config option #140

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13 changes: 7 additions & 6 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -66,12 +66,13 @@ You can generate a new config at `$HOME/.config/boomer/config` with `$ boomer --

Supported parameters:

| Name | Description |
|----------------|----------------------------------------------------|
| min_scale | The smallest it can get when zooming out |
| scroll_speed | How quickly you can zoom in/out by scrolling |
| drag_friction | How quickly the movement slows down after dragging |
| scale_friction | How quickly the zoom slows down after scrolling |
| Name | Description |
|------------------|----------------------------------------------------|
| min_scale | The smallest it can get when zooming out |
| scroll_speed | How quickly you can zoom in/out by scrolling |
| drag_friction | How quickly the movement slows down after dragging |
| scale_friction | How quickly the zoom slows down after scrolling |
| invert_fl_scroll | Reverses the scroll directions for the flashlight |

## Experimental Features Compilation Flags

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4 changes: 2 additions & 2 deletions src/boomer.nim
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Expand Up @@ -450,14 +450,14 @@ proc main() =

proc scrollUp() =
if (xev.xkey.state and ControlMask) > 0.uint32 and flashlight.isEnabled:
flashlight.deltaRadius += INITIAL_FL_DELTA_RADIUS
flashlight.deltaRadius += INITIAL_FL_DELTA_RADIUS * (if config.invert_fl_scroll: -1.0 else: 1.0)
else:
camera.deltaScale += config.scrollSpeed
camera.scalePivot = mouse.curr

proc scrollDown() =
if (xev.xkey.state and ControlMask) > 0.uint32 and flashlight.isEnabled:
flashlight.deltaRadius -= INITIAL_FL_DELTA_RADIUS
flashlight.deltaRadius -= INITIAL_FL_DELTA_RADIUS * (if config.invert_fl_scroll: -1.0 else: 1.0)
else:
camera.deltaScale -= config.scrollSpeed
camera.scalePivot = mouse.curr
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5 changes: 5 additions & 0 deletions src/config.nim
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Expand Up @@ -5,12 +5,14 @@ type Config* = object
scroll_speed*: float
drag_friction*: float
scale_friction*: float
invert_fl_scroll*: bool

const defaultConfig* = Config(
min_scale: 0.01,
scroll_speed: 1.5,
drag_friction: 6.0,
scale_friction: 4.0,
invert_fl_scroll: false,
)

proc loadConfig*(filePath: string): Config =
Expand All @@ -31,6 +33,8 @@ proc loadConfig*(filePath: string): Config =
result.drag_friction = parseFloat(value)
of "scale_friction":
result.scale_friction = parseFloat(value)
of "invert_fl_scroll":
result.invert_fl_scroll = parseBool(value)
else:
quit "Unknown config key `$#`" % [key]

Expand All @@ -41,3 +45,4 @@ proc generateDefaultConfig*(filePath: string) =
f.write("scroll_speed = ", defaultConfig.scroll_speed, "\n")
f.write("drag_friction = ", defaultConfig.drag_friction, "\n")
f.write("scale_friction = ", defaultConfig.scale_friction, "\n")
f.write("invert_fl_scroll = ", defaultConfig.invert_fl_scroll, "\n")