I discovered this yesterday in the showcase (via google for KDE resizing in Windows XP) and it's almost exactly what I was looking for. Good work! I wish I'd searched for this a year ago!
I notice that the windows don't snap to the edge, like KDE does, so I added that..
Code:
; Easy Window Dragging -- KDE style (requires XP/2k/NT) -- by Jonny
; http://www.autohotkey.com
; This script makes it much easier to move or resize a window: 1) Hold down
; the ALT key and LEFT-click anywhere inside a window to drag it to a new
; location; 2) Hold down ALT and RIGHT-click-drag anywhere inside a window
; to easily resize it; 3) Press ALT twice, but before releasing it the second
; time, left-click to minimize the window under the mouse cursor, right-click
; to maximize it, or middle-click to close it.
; This script was inspired by and built on many like it
; in the forum. Thanks go out to ck, thinkstorm, Chris,
; and aurelian for a job well done.
; Change history:
; December 04, 2007: Window snap-to-edge - just like KDE, but with extra fun! (or @ corz.org ;o)
; November 07, 2006: Optimized resizing code in !RButton, courtesy of bluedawn.
; February 05, 2006: Fixed double-alt (the ~Alt hotkey) to work with latest versions of AHK.
; The Double-Alt modifier is activated by pressing
; Alt twice, much like a double-click. Hold the second
; press down until you click.
;
; The shortcuts:
; Alt + Left Button : Drag to move a window.
; Alt + Right Button : Drag to resize a window.
; Double-Alt + Left Button : Minimize a window.
; Double-Alt + Right Button : Maximize/Restore a window.
; Double-Alt + Middle Button : Close a window.
;
; You can optionally release Alt after the first
; click rather than holding it down the whole time.
;
; Snap-To Edges. by (or .. Tuesday Dec 04, 2007
;
; I added snap-to for the windows. If their edge comes within ten pixels
; of your desktop edge, the window snaps to it. Very neat; it's what KDE
; does. But there's more..
;
; If you keep mousing after the window snaps, you get a beautiful
; resizing control which keeps on going. Also you can Alt-right-click
; any oversized windows and pop them straight back into the desktop.
; Note: If you are quick enough, you can break the snap when needed.
; Have fun!
; ;o)
;
If (A_AhkVersion < "1.0.39.00")
{
MsgBox,20,,This script may not work properly with your version of AutoHotkey. Continue?
IfMsgBox,No
ExitApp
}
; This is the setting that runs smoothest on my
; system. Depending on your video card and cpu
; power, you may want to raise or lower this value.
SetWinDelay,2
CoordMode,Mouse
return
!LButton::
If DoubleAlt
{
MouseGetPos,,,KDE_id
; This message is mostly equivalent to WinMinimize,
; but it avoids a bug with PSPad.
PostMessage,0x112,0xf020,,,ahk_id %KDE_id%
DoubleAlt := false
return
}
; Get the initial mouse position and window id, and
; abort if the window is maximized.
MouseGetPos,KDE_X1,KDE_Y1,KDE_id
WinGet,KDE_Win,MinMax,ahk_id %KDE_id%
If KDE_Win
return
; Get the initial window position.
WinGetPos,KDE_WinX1,KDE_WinY1,,,ahk_id %KDE_id%
Loop
{
GetKeyState,KDE_Button,LButton,P ; Break if button has been released.
If KDE_Button = U
break
MouseGetPos,KDE_X2,KDE_Y2 ; Get the current mouse position.
KDE_X2 -= KDE_X1 ; Obtain an offset from the initial mouse position.
KDE_Y2 -= KDE_Y1
KDE_WinX2 := (KDE_WinX1 + KDE_X2) ; Apply this offset to the window position.
KDE_WinY2 := (KDE_WinY1 + KDE_Y2)
WinMove,ahk_id %KDE_id%,,%KDE_WinX2%,%KDE_WinY2% ; Move the window to the new position.
}
return
!RButton::
If DoubleAlt
{
MouseGetPos,,,KDE_id
; Toggle between maximized and restored state.
WinGet,KDE_Win,MinMax,ahk_id %KDE_id%
If KDE_Win
WinRestore,ahk_id %KDE_id%
Else
WinMaximize,ahk_id %KDE_id%
DoubleAlt := false
return
}
; Get the initial mouse position and window id, and
; abort if the window is maximized.
MouseGetPos,KDE_X1,KDE_Y1,KDE_id
WinGet,KDE_Win,MinMax,ahk_id %KDE_id%
If KDE_Win
return
; Get the initial window position and size.
WinGetPos,KDE_WinX1,KDE_WinY1,KDE_WinW,KDE_WinH,ahk_id %KDE_id%
; Define the window region the mouse is currently in.
; The four regions are Up and Left, Up and Right, Down and Left, Down and Right.
If (KDE_X1 < KDE_WinX1 + KDE_WinW / 2)
KDE_WinLeft := 1
Else
KDE_WinLeft := -1
If (KDE_Y1 < KDE_WinY1 + KDE_WinH / 2)
KDE_WinUp := 1
Else
KDE_WinUp := -1
Loop
{
GetKeyState,KDE_Button,RButton,P ; Break if button has been released.
If KDE_Button = U
break
MouseGetPos,KDE_X2,KDE_Y2 ; Get the current mouse position.
; Get the current window position and size.
WinGetPos,KDE_WinX1,KDE_WinY1,KDE_WinW,KDE_WinH,ahk_id %KDE_id%
KDE_X2 -= KDE_X1 ; Obtain an offset from the initial mouse position.
KDE_Y2 -= KDE_Y1
; snap the window to the edge of the screen if closer than 10 pixels..
if KDE_WinX1 < 10
KDE_WinX1 := 0
if KDE_WinY1 < 10
KDE_WinY1 := 0
if KDE_WinX1 + KDE_WinW > A_ScreenWidth - 10
KDE_WinX1 := A_ScreenWidth - KDE_WinW
if KDE_WinY1 + KDE_WinH > A_ScreenHeight - 10
KDE_WinY1 := A_ScreenHeight - KDE_WinH
; Then, act according to the defined region.
WinMove,ahk_id %KDE_id%,, KDE_WinX1 + (KDE_WinLeft+1)/2*KDE_X2 ; X of resized window
, KDE_WinY1 + (KDE_WinUp+1)/2*KDE_Y2 ; Y of resized window
, KDE_WinW - KDE_WinLeft *KDE_X2 ; W of resized window
, KDE_WinH - KDE_WinUp *KDE_Y2 ; H of resized window
KDE_X1 := (KDE_X2 + KDE_X1) ; Reset the initial position for the next iteration.
KDE_Y1 := (KDE_Y2 + KDE_Y1)
}
return
; "Alt + MButton" may be simpler, but I
; like an extra measure of security for
; an operation like this.
!MButton::
If DoubleAlt
{
MouseGetPos,,,KDE_id
WinClose,ahk_id %KDE_id%
DoubleAlt := false
return
}
return
; This detects "double-clicks" of the alt key.
~Alt::
DoubleAlt := A_PriorHotKey = "~Alt" AND A_TimeSincePriorHotkey < 400
Sleep 0
KeyWait Alt ; This prevents the keyboard's auto-repeat feature from interfering.
return
My first AutoHotKey coding. Fun. Now I just need to figure out how to get it to replace Windows' poor implementation of X-Window raising, and I'm done!
;o)
(or
ps. you other guys.. KDE uses Alt-Click, okay!
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), so I think the first one should stay as is. However, I like the second one. It seems both faster and more readable. 
