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Borderless GUI without WS_POPUP, with Drag, Resize and working AeroSnap

By BBs19, in AutoIt Example Scripts

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BBs19    93

BBs19
Posted (edited)

So i needed a way of creating borderless resizable, dragable GUIs while maintaining the AeroSnap(or whatever it is called now) functionality of Windows.

The problem was that creating $WS_POPUP GUIs killed the AeroSnap functionality of Windows, it also caused @SW_Maximize to go fullscreen instead of just maximizing. I found some examples of borderless GUIs for C++, the solution was really easy: WM_NCCALCSIZE

I have collected some other examples of resizing and dragging borderless GUIs, tweaked them a and wrote a simple to use UDF with easy usage with just one line: _GUI_EnableDragAndResize($Form1)

 

Example with UDF:

  

#include <Windowsconstants.au3>
#include <WinAPIGdi.au3>
Global $GLOBAL_MAIN_GUI, $Win_Min_ResizeX = 145, $Win_Min_ResizeY = 45

#region Example
$Form1 = GUICreate("Example GUI", 300, 150, -1, -1, BitOR($WS_SIZEBOX, $WS_MINIMIZEBOX, $WS_MAXIMIZEBOX))
GUISetBkColor(0x282828, $Form1)

_GUI_EnableDragAndResize($Form1,300, 150)

$Button1 = GUICtrlCreateButton("Exit", 90, 60, 120, 30)
GUICtrlSetResizing(-1, 768 + 8 + 128)
GUISetState(@SW_SHOW)


While 1
    $Msg = GUIGetMsg()
    Switch $Msg
         Case -3, $Button1
            Exit
    EndSwitch
    #cs uncomment this if you have a very large listview or any other control that is very close to the gui borders, this makes sure the resize cursor gets reset properly.
        If WinActive($Form1) Then
        Local $mgetinfo = MouseGetCursor(), $aMouseInfo = GUIGetCursorInfo($Form1)
        If ($mgetinfo = 12) Or ($mgetinfo = 11) Or ($mgetinfo = 10) Or ($mgetinfo = 13) Then
        If Not ($aMouseInfo[4] = 0) Then GUISetCursor(2, 1)
        EndIf
        EndIf
    #ce
WEnd
#endregion Example


; #FUNCTION# ====================================================================================================================
; Name ..........: _GUI_EnableDragAndResize
; Compatibility .: Windows 7 and above. Not tested on XP.
; Description ...: Removes the Borders of a GUI, allows drag and resize while keeping the AeroSnap features of Windows still working with the GUI
; Warning .......: Can only be called for one GUI, if you call if for a second GUI, you have to call _GUI_DragAndResizeUpdate($Form1) it for the first GUI after closing the second GUI.
; Syntax ........: _GUI_EnableDragAndResize($mGUI, $GUI_WIDTH, $GUI_HEIGHT [, $Min_ResizeX = $Win_Min_ResizeX[, $Min_ResizeY = $Win_Min_ResizeY[,
;                  $AddShadowEffect = True]]])
; Parameters ....: $mGUI                - Handle to your GUI.
;                  $GUI_WIDTH           - The width of the GUI. (Required to fix the wrong size after removing borders)
;                  $GUI_HEIGHT          - The height of the GUI. (Required to fix the wrong size after removing borders)
;                  $Min_ResizeX         - [optional] Min size of the GUI. Default is 145
;                  $Min_ResizeY         - [optional] Max size of the GUI. Default is 45
;                  $$AddShadowEffect    - [optional] Adds shadow effect that looks like a thin border. Works only with Aero-Effects enabled. Default is False
; Author ........: BB_19
; Credits .......: https://www.autoitscript.com/wiki/Moving_and_Resizing_PopUp_GUIs
; Example .......: _GUI_EnableDragAndResize($Form1,300,200)
; ===============================================================================================================================
Func _GUI_EnableDragAndResize($mGUI, $GUI_WIDTH, $GUI_HEIGHT, $Min_ResizeX = $Win_Min_ResizeX, $Min_ResizeY = $Win_Min_ResizeY, $AddShadowEffect = False)
    Global $GLOBAL_MAIN_GUI = $mGUI, $Win_Min_ResizeX = $Min_ResizeX, $Win_Min_ResizeY = $Min_ResizeY
    GUIRegisterMsg(0x0024, "INTERNAL_WM_GETMINMAXINFO") ; For GUI size limits
    GUIRegisterMsg(0x0084, "INTERNAL_WM_NCHITTEST") ; For resizing and to allow doubleclick to maximize and drag on the upper GUI.
    GUIRegisterMsg(0x0083, "INTERNAL_WM_NCCALCSIZE") ; To Prevent window border from drawing
    GUIRegisterMsg(0x0201, "INTERNAL_WM_LBUTTONDOWN") ; For drag/GUI moving. Disable this if you want to only a specific the area for dragging.(By using labels with $GUI_WS_EX_PARENTDRAG)
    GUIRegisterMsg(0x0005, "INTERNAL_WM_SIZING") ; Fixing the maxmized position (otherwise we have a -7px margin on all sides due to the missing border)
    GUIRegisterMsg(0x0086, "INTERNAL_WM_NCACTIVATE") ; Prevent Windowframe from redrawing when window goes inactive
    If $AddShadowEffect = True Then
        Local $tMargs = DllStructCreate("int cxLeftWidth;int cxRightWidth;int cyTopHeight;int cyBottomHeight")
        DllStructSetData($tMargs, 1, 1)
        DllStructSetData($tMargs, 2, 1)
        DllStructSetData($tMargs, 3, 1)
        DllStructSetData($tMargs, 4, 1)
        DllCall("dwmapi.dll", "int", "DwmExtendFrameIntoClientArea", "hwnd", $mGUI, "ptr", DllStructGetPtr($tMargs))
    EndIf
    WinMove($mGUI, "", Default, Default, $GUI_WIDTH, $GUI_HEIGHT);Update Size and
EndFunc   ;==>_GUI_EnableDragAndResize

;Update drag and resize for your first GUI after using _GUI_EnableDragAndResize on a second GUI.
Func _GUI_DragAndResizeUpdate($mGUI, $Min_ResizeX = $Win_Min_ResizeX, $Min_ResizeY = $Win_Min_ResizeY)
    Global $GLOBAL_MAIN_GUI = $mGUI, $Win_Min_ResizeX = $Min_ResizeX, $Win_Min_ResizeY = $Min_ResizeY
    GUIRegisterMsg(0x0024, "INTERNAL_WM_GETMINMAXINFO")
    GUIRegisterMsg(0x0084, "INTERNAL_WM_NCHITTEST")
    GUIRegisterMsg(0x0083, "INTERNAL_WM_NCCALCSIZE")
    GUIRegisterMsg(0x0201, "INTERNAL_WM_LBUTTONDOWN")
    GUIRegisterMsg(0x0005, "INTERNAL_WM_SIZING")
    GUIRegisterMsg(0x0086, "INTERNAL_WM_NCACTIVATE")
EndFunc   ;==>_GUI_EnableDragAndResizeUpdate

;Prevent Borders from redrawing when window goes inactive
Func INTERNAL_WM_NCACTIVATE($hWnd, $iMsg, $wParam, $lParam)
    If ($hWnd = $GLOBAL_MAIN_GUI) Then Return -1
EndFunc   ;==>INTERNAL_WM_NCACTIVATE

;Fix maximized position
Func INTERNAL_WM_SIZING($hWnd, $iMsg, $wParam, $lParam)
    If ($hWnd = $GLOBAL_MAIN_GUI) Then
        If (WinGetState($GLOBAL_MAIN_GUI) = 47) Then
            Local $WorkingSize = _GetDesktopWorkArea($GLOBAL_MAIN_GUI)
            Local $aWinPos = WinGetPos($GLOBAL_MAIN_GUI)
            _WinAPI_SetWindowPos($GLOBAL_MAIN_GUI, $HWND_TOP, $aWinPos[0] - 1, $aWinPos[1] - 1, $WorkingSize[2], $WorkingSize[3], $SWP_NOREDRAW)
        EndIf
    EndIf
EndFunc   ;==>INTERNAL_WM_SIZING

; Set min and max GUI sizes
Func INTERNAL_WM_GETMINMAXINFO($hWnd, $iMsg, $wParam, $lParam)
    $tMinMaxInfo = DllStructCreate("int;int;int;int;int;int;int;int;int;dword", $lParam)
    Local $WorkingSize = _GetDesktopWorkArea($GLOBAL_MAIN_GUI)
    ;Prevent Windows from misplacing the GUI when maximized, due to missing borders.
    DllStructSetData($tMinMaxInfo, 3, $WorkingSize[2])
    DllStructSetData($tMinMaxInfo, 4, $WorkingSize[3])
    DllStructSetData($tMinMaxInfo, 5, $WorkingSize[0] + 1)
    DllStructSetData($tMinMaxInfo, 6, $WorkingSize[1] + 1)
    ;Min Size limits
    DllStructSetData($tMinMaxInfo, 7, $Win_Min_ResizeX)
    DllStructSetData($tMinMaxInfo, 8, $Win_Min_ResizeY)
    Return 0
EndFunc   ;==>INTERNAL_WM_GETMINMAXINFO

;Stop drawing GUI Borders
Func INTERNAL_WM_NCCALCSIZE($hWnd, $Msg, $wParam, $lParam)
    If $hWnd = $GLOBAL_MAIN_GUI Then
        Return 0
    EndIf
    Return 'GUI_RUNDEFMSG'
EndFunc   ;==>INTERNAL_WM_NCCALCSIZE

;Set mouse cursor for resizing etc. / Allow the upper GUI (40 pixel from top) to act as a control bar (doubleclick to maximize, move gui around..)
Func INTERNAL_WM_NCHITTEST($hWnd, $uMsg, $wParam, $lParam)
    If ($hWnd = $GLOBAL_MAIN_GUI) Then
        Local $iSide = 0, $iTopBot = 0, $CurSorInfo

        Local $mPos = MouseGetPos()
        Local $aWinPos = WinGetPos($GLOBAL_MAIN_GUI)
        Local $aCurInfo = GUIGetCursorInfo($GLOBAL_MAIN_GUI)
        
        ;Check if Mouse is over Border, Margin = 5
        If Not @error Then
            If $aCurInfo[0] < 5 Then $iSide = 1
            If $aCurInfo[0] > $aWinPos[2] - 5 Then $iSide = 2
            If $aCurInfo[1] < 5 Then $iTopBot = 3
            If $aCurInfo[1] > $aWinPos[3] - 5 Then $iTopBot = 6
            $CurSorInfo = $iSide + $iTopBot
        Else
            $CurSorInfo = 0
        EndIf

        ;Set position for drag and doubleclick to maximize
        $xMIN = $aWinPos[0] + 4
        $xMAX = $aWinPos[0] + $aWinPos[2] - 4
        $yMIN = $aWinPos[1] + 4
        $yMAX = $aWinPos[1] + 40
        
        If ($mPos[0] >= $xMIN) And ($mPos[0] <= $xMAX) And ($mPos[1] >= $yMIN) And ($mPos[1] <= $yMAX) Then
            GUISetCursor(2, 1)
            Return 2; Return $HTCAPTION if mouse is within the position for drag + doubleclick to maximize
        EndIf
        If Not (WinGetState($GLOBAL_MAIN_GUI) = 47) Then
            ;Set resize cursor and return the correct $HT for gui resizing
            If ($aCurInfo[4] = 0) Then
                Local $Return_HT = 2, $Set_Cursor = 2
                Switch $CurSorInfo
                    Case 1
                        $Set_Cursor = 13
                        $Return_HT = 10
                    Case 2
                        $Set_Cursor = 13
                        $Return_HT = 11
                    Case 3
                        $Set_Cursor = 11
                        $Return_HT = 12
                    Case 4
                        $Set_Cursor = 12
                        $Return_HT = 13
                    Case 5
                        $Set_Cursor = 10
                        $Return_HT = 14
                    Case 6
                        $Set_Cursor = 11
                        $Return_HT = 15
                    Case 7
                        $Set_Cursor = 10
                        $Return_HT = 16
                    Case 8
                        $Set_Cursor = 12
                        $Return_HT = 17
                EndSwitch
                GUISetCursor($Set_Cursor, 1)
                If Not ($Return_HT = 2) Then Return $Return_HT
            EndIf
        EndIf
    EndIf
    Return 'GUI_RUNDEFMSG'
EndFunc   ;==>INTERNAL_WM_NCHITTEST

; Allow drag with mouse left button down
Func INTERNAL_WM_LBUTTONDOWN($hWnd, $iMsg, $wParam, $lParam)
    If ($hWnd = $GLOBAL_MAIN_GUI) Then
        If Not (WinGetState($GLOBAL_MAIN_GUI) = 47) Then
            Local $aCurInfo = GUIGetCursorInfo($GLOBAL_MAIN_GUI)
            If ($aCurInfo[4] = 0) Then ; Mouse not over a control
                DllCall("user32.dll", "int", "ReleaseCapture")
                DllCall("user32.dll", "long", "SendMessage", "hwnd", $GLOBAL_MAIN_GUI, "int", 0x00A1, "int", 2, "int", 0)
            EndIf
        EndIf
    EndIf
EndFunc   ;==>INTERNAL_WM_LBUTTONDOWN


; #FUNCTION# ====================================================================================================================
; Name ..........: _GetDesktopWorkArea
; Description ...: Calculate the desktop workarea for a specific window to maximize it. Supports multi display and taskbar detection.
; Syntax ........: _GetDesktopWorkArea($hWnd)
; Parameters ....: $hWnd                - Handle to the window.
; Return values .: Array in following format:
;                : [0] = X-Pos for maximizing
;                : [1] = Y-Pos for maximizing
;                : [2] = Max. Width
;                : [3] = Max. Height
; Author ........: BB_19
; Note ..........: The x/y position is not the real position of the window if you have multi display. It is just for setting the maximize info for WM_GETMINMAXINFO
; ===============================================================================================================================
Func _GetDesktopWorkArea($hWnd)
    
    Local $MonitorSizePos[4], $MonitorNumber = 1
    $MonitorSizePos[0] = 0
    $MonitorSizePos[1] = 0
    $MonitorSizePos[2] = @DesktopWidth
    $MonitorSizePos[3] = @DesktopHeight

    ;Get Monitors
    Local $aPos, $MonitorList = _WinAPI_EnumDisplayMonitors()
    If @error Then Return $MonitorSizePos

    If IsArray($MonitorList) Then
        ReDim $MonitorList[$MonitorList[0][0] + 1][5]
        For $i = 1 To $MonitorList[0][0]
            $aPos = _WinAPI_GetPosFromRect($MonitorList[$i][1])
            For $j = 0 To 3
                $MonitorList[$i][$j + 1] = $aPos[$j]
            Next
        Next
    EndIf

    ;Check on which monitor our window is
    Local $GUI_Monitor = _WinAPI_MonitorFromWindow($hWnd)

    ;Check on which monitor the taskbar is
    Local $Taskbar_Monitor = _WinAPI_MonitorFromWindow(WinGetHandle("[CLASS:Shell_TrayWnd]"))

    ;Write the width and height info of the correct monitor into an array
    For $iM = 1 To $MonitorList[0][0] Step +1
        If $MonitorList[$iM][0] = $GUI_Monitor Then
            $MonitorSizePos[0] = 0
            $MonitorSizePos[1] = 0
            $MonitorSizePos[2] = $MonitorList[$iM][3]
            $MonitorSizePos[3] = $MonitorList[$iM][4]
            $MonitorNumber = $iM
        EndIf
    Next

    ;Check if Taskbar autohide is enabled, if so then we will remove 1px from the correct side so that the taskbar will reapear when moving mouse to the side
    Local $TaskBarAutoHide = DllCall("shell32.dll", "int", "SHAppBarMessage", "int", 0x00000004, "ptr*", 0)
    If Not @error Then
        $TaskBarAutoHide = $TaskBarAutoHide[0]
    Else
        $TaskBarAutoHide = 0
    EndIf
    

    ;Check if Taskbar is on this Monitor, if so, then recalculate the position, max. width and height of the WorkArea
    If $Taskbar_Monitor = $GUI_Monitor Then
        $TaskBarPos = WinGetPos("[CLASS:Shell_TrayWnd]")
        If @error Then Return $MonitorSizePos

        ;Win 7 classic theme compatibility
        If ($TaskBarPos[0] = $MonitorList[$MonitorNumber][1] - 2) Or ($TaskBarPos[1] = $MonitorList[$MonitorNumber][2] - 2) Then
            $TaskBarPos[0] = $TaskBarPos[0] + 2
            $TaskBarPos[1] = $TaskBarPos[1] + 2
            $TaskBarPos[2] = $TaskBarPos[2] - 4
            $TaskBarPos[3] = $TaskBarPos[3] - 4
        EndIf
        If ($TaskBarPos[0] = $MonitorList[$MonitorNumber][1] - 2) Or ($TaskBarPos[1] = $MonitorList[$MonitorNumber][2] - 2) Then
            $TaskBarPos[0] = $TaskBarPos[0] + 2
            $TaskBarPos[1] = $TaskBarPos[1] + 2
            $TaskBarPos[2] = $TaskBarPos[2] - 4
            $TaskBarPos[3] = $TaskBarPos[3] - 4
        EndIf


        ;Recalc width/height and pos
        If $TaskBarPos[2] = $MonitorSizePos[2] Then
            If $TaskBarAutoHide = 1 Then
                If ($TaskBarPos[1] > 0) Then
                    $MonitorSizePos[3] -= 1
                Else
                    $MonitorSizePos[1] += 1
                    $MonitorSizePos[3] -= 1
                EndIf
                Return $MonitorSizePos
            EndIf
            $MonitorSizePos[3] = $MonitorSizePos[3] - $TaskBarPos[3]
            If ($TaskBarPos[0] = $MonitorList[$MonitorNumber][1]) And ($TaskBarPos[1] = $MonitorList[$MonitorNumber][2]) Then $MonitorSizePos[1] = $TaskBarPos[3]
        Else
            If $TaskBarAutoHide = 1 Then
                If ($TaskBarPos[0] > 0) Then
                    $MonitorSizePos[2] -= 1
                Else
                    $MonitorSizePos[0] += 1
                    $MonitorSizePos[2] -= 1
                EndIf
                Return $MonitorSizePos
            EndIf
            $MonitorSizePos[2] = $MonitorSizePos[2] - $TaskBarPos[2]
            If ($TaskBarPos[0] = $MonitorList[$MonitorNumber][1]) And ($TaskBarPos[1] = $MonitorList[$MonitorNumber][2]) Then $MonitorSizePos[0] = $TaskBarPos[2]
        EndIf
    EndIf
    Return $MonitorSizePos
EndFunc   ;==>_GetDesktopWorkArea

 

Download UDF with seperate example:

 

BorderLessWinUDF.zip

 

EDIT: Newest versions of this UDF with bugfixes can be downloaded from the MetroGUI project:

 

 

 

Edited by BBs19
Updated Link
coffeeturtle reacted to this

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TheSaint    2,234

TheSaint
Posted

Thanks for sharing.

Seemed appropriate to add this to the AutoIt GUI Creators (Designers) sticky, second post.

Make sure brain is in gear before opening mouth!
Remember, what is not said, can be just as important as what is said.

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Ignoring those who try to divert conversation with irrelevancies.
If I'm intent on insulting you or being rude, I will be obvious, not ambiguous about it.
I'm only big and bad, to those who have an over-active imagination.

I may have the Artistic Liesense ;) to disagree with you. TheSaint's Toolbox (be advised many downloads are not working due to ISP screwup with my storage)

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legend    16

legend
Posted

Thank's for this great borderless gui example.

Could you please tell me what I would have to change, so it can't be resized?

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BBs19    93

BBs19
Posted (edited)

I have updated the script #1 Post. Now also supports Windows 7 classic theme and multi display, while maintaining Aero-Snap.

 

Thank's for this great borderless gui example.

Could you please tell me what I would have to change, so it can't be resized?

If u just want a borderless window with only drag for moving window around, then you won't need this UDF for that :) A simple WS_POPUP will do it:

 

#include <Windowsconstants.au3>
#include <GUIConstantsEx.au3>

$Form1 = GUICreate("Example GUI", 300, 150, -1, -1, $WS_POPUP)
GUISetBkColor(0x282828, $Form1)

$Button1 = GUICtrlCreateButton("Exit", 90, 60, 120, 30)
GUISetState(@SW_SHOW)


While 1
    $Msg = GUIGetMsg()

    Switch $Msg
        Case $GUI_EVENT_PRIMARYDOWN;For Drag/moving gui around
            Local $aCurInfo = GUIGetCursorInfo($Form1)
            If ($aCurInfo[4] = 0) Then ; Mouse not over a control
                DllCall("user32.dll", "int", "ReleaseCapture")
                DllCall("user32.dll", "long", "SendMessage", "hwnd", $Form1, "int", 0x00A1, "int", 2, "int", 0)
            EndIf
            
        Case $GUI_EVENT_CLOSE, $Button1
            Exit
    EndSwitch
WEnd

 

 

Edited by BBs19

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edumanilha    3

edumanilha
Posted (edited)

I just need to say, THANK YOU! Wonderfull job! Really amazing, It really helped me a LOT! :)

Edited by Melba23
Removed masive double posted quote

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