Snap & Drag 3 GUIs only

[Malkey]

What I was after was:-

Snap enabled between the three created GUIs.

No snapping to other desktop windows nor to desktop edges.

Dragging snapped together GUIs as a unit.

Ref posts

http://www.autoitscript.com/forum/index.ph...st&p=450377

http://www.autoitscript.com/forum/index.ph...st&p=380176

The jerky movement of dragging multiple GUIs suggests there is a better method.

I could not get the mouse to capture multiple GUIs. This script is the result.

expandcollapse popup

#include <GuiConstantsEx.au3>
#include <WindowsConstants.au3>

Global Const $WM_EXITSIZEMOVE = 0x0232
Global Const $WM_ENTERSIZEMOVE = 0x0231
Global Const $SC_MOVE = 0xF010 ; from MenuConstants.au3
Global Const $SC_SIZE = 0xF000 ; from MenuConstants.au3
Global Const $ES_READONLY = 2048 ; from EditConstants.au3
Global $nRange = 25, $dragging = False
Global $ahWnd[4][2] = [[3, 0],["GUI Stickable!", 0],["Some extra window", 0],["Extra window", 0]]
Global $aCombined[4]
Local $stopdrag = 0

GUIRegisterMsg($WM_WINDOWPOSCHANGING, "WM_WINDOWPOSCHANGING")
GUIRegisterMsg($WM_ENTERSIZEMOVE, "WM_ENTERSIZEMOVE")

$ahWnd[1][1] = GUICreate($ahWnd[1][0], 280, 150)
GUISetState()
$ahWnd[2][1] = GUICreate($ahWnd[2][0], 320, 180, 0, 0)
GUISetState()
$ahWnd[3][1] = GUICreate($ahWnd[3][0], 320, 180, 0, 220)
GUISetState()

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            ExitLoop
        Case - 7 ; $GUI_EVENT_PRIMARYDOWN
            If $stopdrag = 0 Then ;ignore this button down
                $wp3 = WinGetPos($ahWnd[3][0])
                $wp2 = WinGetPos($ahWnd[2][0])
                $wp1 = WinGetPos($ahWnd[1][0])
                $mp1 = MouseGetPos()
                $dragging = True
            Else
                $stopdrag = 0
            EndIf
        Case - 8 ; $GUI_EVENT_PRIMARYUP
            $dragging = False
    EndSwitch
    
    If $dragging And $stopdrag = 0 Then
        $mp = MouseGetPos()
        $hCW = WindowFromPoint($mp[0], $mp[1])
        Switch $hCW
            Case $ahWnd[1][1]
                WinMove($ahWnd[1][0], "", $wp1[0] - $mp1[0] + $mp[0], $wp1[1] - $mp1[1] + $mp[1])
                If CheckCombined($wp1, $wp2) Then
                    WinMove($ahWnd[2][0], "", $wp2[0] - $mp1[0] + $mp[0], $wp2[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp2, $wp3) Then WinMove($ahWnd[3][0], "", $wp3[0] - $mp1[0] + $mp[0], $wp3[1] - $mp1[1] + $mp[1])
                EndIf
                If CheckCombined($wp1, $wp3) Then
                    WinMove($ahWnd[3][0], "", $wp3[0] - $mp1[0] + $mp[0], $wp3[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp3, $wp2) Then WinMove($ahWnd[2][0], "", $wp2[0] - $mp1[0] + $mp[0], $wp2[1] - $mp1[1] + $mp[1])
                EndIf
            Case $ahWnd[2][1]
                WinMove($ahWnd[2][0], "", $wp2[0] - $mp1[0] + $mp[0], $wp2[1] - $mp1[1] + $mp[1])
                If CheckCombined($wp2, $wp3) Then
                    WinMove($ahWnd[3][0], "", $wp3[0] - $mp1[0] + $mp[0], $wp3[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp1, $wp3) Then WinMove($ahWnd[1][0], "", $wp1[0] - $mp1[0] + $mp[0], $wp1[1] - $mp1[1] + $mp[1])
                EndIf
                If CheckCombined($wp2, $wp1) Then
                    WinMove($ahWnd[1][0], "", $wp1[0] - $mp1[0] + $mp[0], $wp1[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp1, $wp3) Then WinMove($ahWnd[3][0], "", $wp3[0] - $mp1[0] + $mp[0], $wp3[1] - $mp1[1] + $mp[1])
                EndIf
            Case $ahWnd[3][1]
                WinMove($ahWnd[3][0], "", $wp3[0] - $mp1[0] + $mp[0], $wp3[1] - $mp1[1] + $mp[1])
                If CheckCombined($wp3, $wp2)  Then
                    WinMove($ahWnd[2][0], "", $wp2[0] - $mp1[0] + $mp[0], $wp2[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp2, $wp1) Then WinMove($ahWnd[1][0], "", $wp1[0] - $mp1[0] + $mp[0], $wp1[1] - $mp1[1] + $mp[1])
                EndIf
                If CheckCombined($wp3, $wp1) Then
                    WinMove($ahWnd[1][0], "", $wp1[0] - $mp1[0] + $mp[0], $wp1[1] - $mp1[1] + $mp[1])
                    If CheckCombined($wp2, $wp1)  Then WinMove($ahWnd[2][0], "", $wp2[0] - $mp1[0] + $mp[0], $wp2[1] - $mp1[1] + $mp[1])
                EndIf
            EndSwitch
            if GUIGetMsg() = -8 then $dragging = False ; $GUI_EVENT_PRIMARYUP
    Else
        $wp3 = WinGetPos($ahWnd[3][0])
        $wp2 = WinGetPos($ahWnd[2][0])
        $wp1 = WinGetPos($ahWnd[1][0])
        $mp1 = MouseGetPos()
    EndIf
WEnd

Func CheckCombined(ByRef $wpa,ByRef $wpb)
    Local $bJoined = False
    If ($wpa[0] + $wpa[2]) = $wpb[0] And Abs($wpa[1] - $wpb[1]) < $wpa[3] And Abs($wpa[1] - $wpb[1]) < $wpb[3] Then $bJoined = true
    If ($wpb[0] + $wpb[2]) = $wpa[0] And Abs($wpa[1] - $wpb[1]) < $wpa[3] And Abs($wpa[1] - $wpb[1]) < $wpb[3] Then $bJoined = true
    If ($wpb[1] + $wpb[3]) = $wpa[1] And Abs($wpa[0] - $wpb[0]) < $wpa[2] And Abs($wpa[0] - $wpb[0]) < $wpb[2] Then $bJoined = true
    If ($wpa[1] + $wpa[3]) = $wpb[1] And Abs($wpa[0] - $wpb[0]) < $wpa[2] And Abs($wpa[0] - $wpb[0]) < $wpb[2] Then $bJoined = true
    Return $bJoined
EndFunc   ;==>CheckCombined

Func WM_WINDOWPOSCHANGING($hWnd, $Msg, $wParam, $lParam)
    Local $stWinPos = DllStructCreate("uint;uint;int;int;int;int;uint", $lParam)
    Local $nLeft = DllStructGetData($stWinPos, 3)
    Local $nTop = DllStructGetData($stWinPos, 4)
    Local $aCurWinPos = WinGetPos($hWnd)
    
    ;Local $ahWnd = WinList()
    For $i = 1 To UBound($ahWnd) - 1        
        $aSideWinPos = WinGetPos($ahWnd[$i][1])
        If UBound($aSideWinPos) < 3 Then ContinueLoop
        Local $XPoint = $aSideWinPos[0] + 1
        Local $YPoint = $aSideWinPos[1] + 1

        If $XPoint < 0 Then $XPoint = 1
        If $YPoint < 0 Then $YPoint = 1
        ;Left
        If Abs(($aSideWinPos[0] + $aSideWinPos[2]) - $nLeft) <= $nRange And _
                WindowFromPoint($XPoint, $YPoint) = $ahWnd[$i][1] Then _
                DllStructSetData($stWinPos, 3, $aSideWinPos[0] + $aSideWinPos[2])
        ;Right
        If Abs($nLeft + $aCurWinPos[2] - $aSideWinPos[0]) <= $nRange And _
                WindowFromPoint($XPoint, $YPoint) = $ahWnd[$i][1] Then _
                DllStructSetData($stWinPos, 3, $aSideWinPos[0] - $aCurWinPos[2])
        ;Top
        If Abs(($aSideWinPos[1] + $aSideWinPos[3]) - $nTop) <= $nRange And _
                WindowFromPoint($XPoint, $YPoint) = $ahWnd[$i][1] Then _
                DllStructSetData($stWinPos, 4, $aSideWinPos[1] + $aSideWinPos[3])
        ;Bottom
        If Abs($nTop + $aCurWinPos[3] - $aSideWinPos[1]) <= $nRange And _
                WindowFromPoint($XPoint, $YPoint) = $ahWnd[$i][1] Then _
                DllStructSetData($stWinPos, 4, $aSideWinPos[1] - $aCurWinPos[3])
    Next
    Sleep(10)
    Return 0
EndFunc   ;==>WM_WINDOWPOSCHANGING

Func wm_entersizemove()
    $stopdrag = 1;or else might not stop dragging
EndFunc   ;==>wm_entersizemove

Func WindowFromPoint($XPoint, $YPoint)
    Local $aResult = DllCall("User32.dll", "hwnd", "WindowFromPoint", "int", $XPoint, "int", $YPoint)
    Return $aResult[0]
EndFunc   ;==>WindowFromPoint

To un-snap, drag with GUI title bar.