Code: Select all
; Description: Scroll Explorer on middle mouse button drag
; Permalink: https://autohotkey.com/boards/viewtopic.php?t=43715
; Author: aph
; Version: 0.2
$*MButton::
MouseGetPos, CursorX, CursorY, Window, ClassNN
WinGetTitle, Title, ahk_id %Window%
WinGetClass, ahk_class, ahk_id %Window%
WinGet ahk_exe, ProcessName, ahk_id %Window%
WinGet ahk_PID, PID, ahk_id %Window%
WinGetText, VisibleText, ahk_id %Window%
MouseGetPos, CursorX_ended, CursorY_ended, Window_ended, ClassNN_ended
WinGetClass, ahk_class_ended, ahk_id %Window_ended%
WinGet ahk_exe_ended, ProcessName, ahk_id %Window_ended%
AllowedApp := ahk_exe = "explorer.exe" or ahk_exe = "mmc.exe" or ahk_exe = "systempropertiesadvanced.exe" or ahk_exe = "filezilla.exe" or ahk_exe = "7zFM.exe"
AllowedText := InStr(VisibleText, "Tree View") or InStr(VisibleText, "FolderView")
LimitedApp := ahk_exe = "cmd.exe"
DisabledApp := ahk_class_ended = "Shell_TrayWnd" or ahk_class_ended = "WorkerW"
if (AllowedText >= 1)
AllowedText = 1
If (DisabledApp) {
SendInput, {MButton Down}
Return
}
Else If (!AllowedApp and !LimitedApp and !AllowedText) {
SendInput, {MButton Down}
Return
}
Else {
If (AllowedApp) {
SendInput, {MButton}
}
MiddleScroll := 1
SetSystemCursor("SIZEALL")
Sensitivity = 10 ; How far the middle mouse wheel has to be dragged before scrolling is triggered
MouseGetPos, X1, Y1, , c, 2
OrigTimer := 50 ; How quickly the file list scrolls
SetTimer, MBScroll, %OrigTimer%
MBScroll:
MouseGetPos, X2, Y2
Distance := Abs(Y2-Y1)
If (Distance >= Sensitivity) {
Rounded := % Round((Distance / 200)**1.25+1)
DllCall("SystemParametersInfo", UInt, 0x69, UInt, Round(Ln(Rounded)+1), UInt, 0, UInt, 0) ; Vary lines scrolled by distance of drag
Timer := Round(OrigTimer - (OrigTimer/2*Percent/100))
SetTimer, MBScroll, %Timer%
Percent := (A_ScreenHeight - (Max(Y1, Abs(Y1-A_ScreenHeight)) - Distance)) / A_ScreenHeight * 100
SendInput, % "{Blind}{Wheel" (Y2 > Y1 ? "Down" : "Up") " " Rounded "}"
}
Return
$*MButton Up::
DllCall("SystemParametersInfo", UInt, 0x69, UInt, 3, UInt, 0, UInt, 0) ; Set back to 3 lines scrolled
SetTimer, MBScroll, off
SetSystemCursor()
MiddleScroll := 0
SendInput {MButton Up}
SetSystemCursor(Cursor="") {
SystemCursors := "32512IDC_ARROW|32513IDC_IBEAM|32514IDC_WAIT|32515IDC_CROSS|32516IDC_UPARROW|32642IDC_SIZENWSE|32643IDC_SIZENESW|32644IDC_SIZEWE|32645IDC_SIZENS|32646IDC_SIZEALL|32648IDC_NO|32649IDC_HAND|32650IDC_APPSTARTING|32651IDC_HELP"
If (Cursor = "")
Return DllCall("SystemParametersInfo", "UInt", 0x57, "UInt", 0, "UInt", 0, "UInt", 0)
If (StrLen(SystemCursors) = 221)
Loop, Parse, SystemCursors, |
StringReplace, SystemCursors, SystemCursors, %A_LoopField%, % DllCall("LoadCursor", "UInt", 0, "Int", SubStr(A_LoopField, 1, 5)) A_LoopField
If !(Cursor := SubStr(SystemCursors, InStr(SystemCursors "|", "IDC_" Cursor "|") - 5 - p := (StrLen(SystemCursors) - 221) / 14, 5))
MsgBox, 262160, %A_ScriptName% - %A_ThisFunc%(): Error, Invalid cursor name!
Else
Loop, Parse, SystemCursors, |
DllCall("SetSystemCursor", "UInt", DllCall("CopyIcon", "UInt", Cursor), "Int", SubStr(A_LoopField, 6, p))
}
Return
}
Return