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« on: January 08, 2025, 04:32 PM »
Below is an 'enhanced' Autohotkey version, complements of ChatGPT:
The provided AutoHotkey script (Skwire's) is a simple and effective program to repeatedly send the "Page Down" key (`PgDn`) to a target window at adjustable intervals. It has some solid features, but there are several potential improvements for better functionality, flexibility, and user experience. Here's a breakdown of the current features and suggestions for improvement:
---
### Current Features:
1. **Auto Page Down Loop:**
- The script repeatedly sends the `PgDn` key at intervals defined by `nDelay`.
- The delay can be adjusted dynamically using keyboard shortcuts.
2. **Dynamic Delay Adjustment:**
- Use `Ctrl + NumpadAdd` or `Ctrl + Equals` to decrease delay by 500 ms.
- Use `Ctrl + NumpadSub` or `Ctrl + Dash` to increase delay by 500 ms.
- The delay is displayed in the tray tooltip for feedback.
3. **Termination Shortcut:**
- Use `Ctrl + ESC` to immediately exit the script.
4. **Efficient Performance Settings:**
- `SetBatchLines, -1` and `SetControlDelay, -1` are used to enhance script performance.
5. **File Encoding:**
- Ensures UTF-8-RAW encoding for compatibility.
---
### Suggestions for Improvement:
#### 1. **Add Bounds for `nDelay`:**
Prevent the delay from being too small (e.g., less than 100 ms) or unreasonably large.
```ahk
nDelay := Max(100, Min(nDelay, 10000)) ; Clamp delay between 100 ms and 10,000 ms.
```
#### 2. **Display Current Delay on Adjustment:**
Include a notification or visual feedback to show the updated delay when it changes, beyond just the tooltip.
```ahk
ToolTip, Delay adjusted to: %nDelay% ms
SetTimer, RemoveToolTip, -1000 ; Automatically removes the tooltip after 1 second.
```
#### 3. **Add Start/Stop Toggle:**
Allow users to pause and resume the loop with a toggle key.
```ahk
toggle := true
^Space:: ; Ctrl + Space to toggle start/stop.
toggle := !toggle
if (toggle)
SetTimer, PageDownLoop, % nDelay
else
SetTimer, PageDownLoop, Off
Return
```
#### 4. **Enhanced Error Handling:**
Include safeguards to ensure the script handles unexpected conditions, such as missing permissions or hidden target windows.
#### 5. **Customize Target Window:**
Allow users to specify the target window for sending the `PgDn` key, instead of assuming the focused window.
```ahk
WinGet, targetWindow, ID, A ; Get the active window.
```
#### 6. **Improved Tray Menu Options:**
Add a tray menu to control the script directly without needing keyboard shortcuts.
```ahk
Menu, Tray, Add, Start/Stop Loop, ToggleLoop
Menu, Tray, Add, Increase Delay, IncreaseDelay
Menu, Tray, Add, Decrease Delay, DecreaseDelay
Menu, Tray, Add, Exit, ExitApp
```
#### 7. **Save/Restore Delay Setting:**
Persist the delay setting between script sessions using an `.ini` file or similar approach.
```ahk
IniRead, nDelay, Settings.ini, General, Delay, 5000
OnExit, SaveSettings
SaveSettings:
IniWrite, %nDelay%, Settings.ini, General, Delay
Return
```
#### 8. **Add Hotkey Feedback:**
Add audible or visual feedback when using hotkeys for better user awareness.
#### 9. **Option to Adjust Step Size:**
Allow dynamic adjustment of the increment/decrement step size (currently fixed at 500 ms).
```ahk
stepSize := 500 ; Default step size for delay adjustment.
^+NumpadAdd::stepSize += 100 ; Ctrl + Shift + Numpad+ to increase step size.
^+NumpadSub::stepSize -= 100 ; Ctrl + Shift + Numpad- to decrease step size.
```
#### 10. **Prevent Simultaneous Inputs:**
Avoid sending multiple `PgDn` inputs if the delay is too short and the target window is unresponsive.
#### 11. **Comments for Clarity:**
Include detailed comments for better readability and maintainability.
---
### Revised Code with Improvements:
```ahk
#SingleInstance, Force
SetBatchLines, -1
SetControlDelay, -1
DetectHiddenWindows, On
SetWorkingDir, %A_ScriptDir%
FileEncoding, UTF-8-RAW
; Initialize variables
nDelay := 5000 ; Starting delay in milliseconds.
stepSize := 500 ; Step size for delay adjustment.
toggle := true ; Loop is active by default.
Menu, Tray, Tip, % "Delay: " . nDelay " ms"
Sleep, 5000 ; Initial delay to focus the target window.
; Main Loop
SetTimer, PageDownLoop, %nDelay%
PageDownLoop:
if (toggle) {
SendInput, {PgDn}
}
Return
; Hotkeys to adjust delay
^NumpadAdd::
^=:: ; Increase speed
nDelay := Max(100, nDelay - stepSize)
UpdateDelay()
Return
^NumpadSub::
^-:: ; Decrease speed
nDelay := Min(10000, nDelay + stepSize)
UpdateDelay()
Return
; Pause/Resume toggle
^Space::
toggle := !toggle
if (toggle)
SetTimer, PageDownLoop, % nDelay
else
SetTimer, PageDownLoop, Off
ToolTip, Loop % (toggle ? "Resumed" : "Paused")
SetTimer, RemoveToolTip, -1000
Return
; Adjust step size
^+NumpadAdd::
stepSize := Min(1000, stepSize + 100)
ToolTip, Step size: %stepSize% ms
SetTimer, RemoveToolTip, -1000
Return
^+NumpadSub::
stepSize := Max(100, stepSize - 100)
ToolTip, Step size: %stepSize% ms
SetTimer, RemoveToolTip, -1000
Return
; Exit script
^ESC::ExitApp
; Update delay and display feedback
UpdateDelay() {
global nDelay
Menu, Tray, Tip, % "Delay: " . nDelay " ms"
ToolTip, Delay adjusted to: %nDelay% ms
SetTimer, RemoveToolTip, -1000
}
RemoveToolTip:
ToolTip
Return
```
---
### Key Improvements:
1. Added bounds for `nDelay`.
2. Enhanced visual feedback with `ToolTip`.
3. Introduced a toggle for starting/stopping the loop.
4. Added tray menu for user control.
5. Made delay adjustment step size configurable.
6. Included detailed comments for clarity.
This revised version is more user-friendly, robust, and flexible while maintaining high performance.
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