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corz

Help my one-hit-wonder!

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corz

This is a magnifier-color-picker thing mostly based on some code I found on Stack Overflow, of all places. At least all the clever bits are from there. 

I'd love to use this code inside an app I'm working on. But it has an issue. The first time the mag pops up it works perfectly, but the second and subsequent times, it's a boring grey square. 

One of you smart dudes will probably look at this and go, "Aha!", but I'm stumped.

#include <WindowsConstants.au3>
#include <WinAPI.au3>
#include <StaticConstants.au3>

MagWindow()
MagWindow()

; Magnifier-Color-Picker..
; Props to McBarby for the cross-hairs.
func MagWindow()

    global $iMagZoom = 5
    global $iMagWidth = Ceiling(100/$iMagZoom)
    global $iMagHeight = Ceiling(100/$iMagZoom)

    global $hDCDesk, $hDCZoom, $hPen
    global $hUser32 = DllOpen("user32.dll")
    global $hGDI32 = DllOpen("gdi32.dll")
    global $pixel_color, $mag_open = false
    local  $mX, $mY
    
    global $hCross = GUICreate('', 48, 48, -1, -1, $WS_POPUP, $WS_EX_TOPMOST)
    WinSetTrans($hCross, '', 0)
    GUISetCursor(3, 1, $hCross)

    global $hZoom = GUICreate("MagPicker", $iMagWidth * $iMagZoom, $iMagHeight * $iMagZoom, _
                    MouseGetPos(0), MouseGetPos(1), $WS_POPUP+$WS_BORDER, $WS_EX_TOPMOST)

    global $mag_label = GUICtrlCreateLabel("placehold", (($iMagHeight * $iMagZoom)/2)+2, ($iMagHeight * $iMagZoom) - 13, _
                            (($iMagHeight * $iMagZoom)/2)-3, 12, $SS_RIGHT)
    
    ; put this after the GUICreate()s so that it will not error on startup with mouse already moving. (now trapped! but we will leave them here.)
    global $__hMouseProc = DllCallbackRegister("_MouseProc", "long", "int;wparam;lparam")
    global $__hHook = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($__hMouseProc), _WinAPI_GetModuleHandle(0))
        
    GUISetState(@SW_SHOW, $hCross)
    GUISetState(@SW_SHOW, $hZoom)
    $mag_open = true
    
    ; once at start, then from the mouse-callback-function..
    _Magnify()
    
    while $mag_open
        Sleep(50)
        $mX = MouseGetPos(0)
        $mY = MouseGetPos(1)        
        $pixel_color = Hex(PixelGetColor($mX, $mY), 6)
        GUICtrlSetData ($mag_label, $pixel_color)
    wend
    
    GUIDelete($hZoom)
    GUIDelete($hCross)
    ReleaseHooks()
    
endfunc

func _Magnify($_iX=-1, $_iY=-1)
    local Static $fInit = true
    if $fInit then
        $fInit = False
        $hDCDesk = (DLLCall($hUser32, "int", "GetDC", "hwnd", 0))[0]
        $hDCZoom = (DLLCall($hUser32, "int", "GetDC", "hwnd", $hZoom))[0]
        $hPen = (DLLCall($hGDI32, "int", "CreatePen", "int", 0, "int", 3, "int", 0x008b9094))[0] ; 0=PS_SOLID, dark-blue (0x00BBGGRR)
        DLLCall($hGDI32, "int", "SelectObject", "int", $hDCZoom, "hwnd", $hPen)
        $_iX = MouseGetPos(0)
        $_iY = MouseGetPos(1)
    endif
    local $iW = $iMagWidth * $iMagZoom, $iH = $iMagHeight * $iMagZoom
    if not @error then
        DLLCall($hGDI32, "int", "StretchBlt", "int", $hDCZoom, "int", _
            0, "int", 0, "int", $iW, "int", $iH, "int", $hDCDesk, "int", _
            $_iX - $iMagWidth/2, "int", $_iY - $iMagHeight/2, "int", $iMagWidth ,"int", $iMagHeight, _
            "long", $SRCCOPY)
        ; draw the crosshair    (start x, start y, end x, end y)
        _GDI32_DrawLine($hDCZoom, ($iW/2)-2, $iH/8, ($iW/2)-2, 4*($iH/8)-6, $hGDI32)     ; vertical top
        _GDI32_DrawLine($hDCZoom, ($iW/2)-2, 5*($iH/8)-10, ($iW/2)-2, 7*($iH/8), $hGDI32) ; vertical bottom
        _GDI32_DrawLine($hDCZoom, $iW/8, ($iH/2)-2, (3*($iW/8))+6, ($iH/2)-2, $hGDI32)     ; horizontal left
        _GDI32_DrawLine($hDCZoom, 4*($iW/8)+3, ($iH/2)-2, 7*($iW/8), ($iH/2)-2, $hGDI32) ; horizontal right
    endif
endfunc

func _GDI32_DrawLine(ByRef $_hDC, $_iX0, $i_Y0, $_iX1, $i_Y1, $_hDll=-1)
    If $_hDll = -1 then $_hDll = "gdi32.dll"
    Local $tCurrent = DllStructCreate("struct; long X;long Y; endstruct")
    DllCall($_hDll, "int", "MoveToEx", "int", $_hDC, "int", $_iX0, "int", $i_Y0, "ptr", DllStructGetPtr($tCurrent))
    DllCall($_hDll, "int", "LineTo", "int", $_hDC, "int", $_iX1, "int", $i_Y1)
    return $tCurrent
endfunc

func _MouseProc($_nCode, $_wParam, $_lParam)
    local $tMSLLHOOKSTRUCT = DllStructCreate("struct; long X;long Y; endstruct; " & _
        "DWORD mouseData; DWORD flags; DWORD time; ULONG_PTR dwExtraInfo;endstruct", $_lParam)
    if $_nCode < 0 Then Return _WinAPI_CallNextHookEx($__hHook, $_nCode, $_wParam, $_lParam)
    local $iX = $tMSLLHOOKSTRUCT.X, $iY = $tMSLLHOOKSTRUCT.Y
    switch $_wParam
        case $WM_LBUTTONDOWN
            CloseMag()
        case $WM_MOUSEMOVE
            if not $mag_open then return
            WinMove($hCross, "", $iX -24, $iY -24)
            Local $iXz = ($iX +24 + $iMagWidth*$iMagZoom > @DesktopWidth) ? $iX -(24 + $iMagWidth*$iMagZoom) : $iX +24
            Local $iYz = ($iY +24 + $iMagHeight*$iMagZoom > @DesktopHeight) ? $iY -(24 + $iMagHeight*$iMagZoom) : $iY +24
            WinMove($hZoom, "", $iXz + $iMagWidth/2, $iYz)
            _Magnify($iX, $iY)
    endswitch
    return _WinAPI_CallNextHookEx($__hHook, $_nCode, $_wParam, $_lParam)
endfunc

func ReleaseHooks()
    DLLCall($hUser32, "int", "ReleaseDC", "int", $hDCZoom, "hwnd", $hPen)
    DLLCall($hUser32, "int", "ReleaseDC", "int", $hDCDesk, "hwnd", 0)
    DLLCall($hUser32, "int", "ReleaseDC", "int", $hDCZoom, "hwnd", 0)
    DllClose($hUser32)
    DllClose($hGDI32)
    _WinAPI_UnhookWindowsHookEx($__hHook)
    DllCallbackFree($__hMouseProc)
endfunc

func CloseMag()  ; called by mouse left click
    $mag_open = false
endfunc

 

Thanks for any and all insights!

;o) Cor


nothing is foolproof to the sufficiently talented fool..

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Jos

Nice ...   try this version and find the difference :)

#include <WindowsConstants.au3>
#include <WinAPI.au3>
#include <StaticConstants.au3>

MagWindow()
MagWindow()

; Magnifier-Color-Picker..
; Props to McBarby for the cross-hairs.
Func MagWindow()

    Global $iMagZoom = 5
    Global $iMagWidth = Ceiling(100 / $iMagZoom)
    Global $iMagHeight = Ceiling(100 / $iMagZoom)

    Global $hDCDesk = 0, $hDCZoom = 0, $hPen = 0
    Global $hUser32 = DllOpen("user32.dll")
    Global $hGDI32 = DllOpen("gdi32.dll")
    Global $pixel_color, $mag_open = False
    Local $mX = 0, $mY = 0

    Global $hCross = GUICreate('', 48, 48, -1, -1, $WS_POPUP, $WS_EX_TOPMOST)
    WinSetTrans($hCross, '', 0)
    GUISetCursor(3, 1, $hCross)

    Global $hZoom = GUICreate("MagPicker", $iMagWidth * $iMagZoom, $iMagHeight * $iMagZoom, _
            MouseGetPos(0), MouseGetPos(1), $WS_POPUP + $WS_BORDER, $WS_EX_TOPMOST)

    Global $mag_label = GUICtrlCreateLabel("placehold", (($iMagHeight * $iMagZoom) / 2) + 2, ($iMagHeight * $iMagZoom) - 13, _
            (($iMagHeight * $iMagZoom) / 2) - 3, 12, $SS_RIGHT)

    ; put this after the GUICreate()s so that it will not error on startup with mouse already moving. (now trapped! but we will leave them here.)
    Global $__hMouseProc = DllCallbackRegister("_MouseProc", "long", "int;wparam;lparam")
    Global $__hHook = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($__hMouseProc), _WinAPI_GetModuleHandle(0))

    GUISetState(@SW_SHOW, $hCross)
    GUISetState(@SW_SHOW, $hZoom)
    $mag_open = True

    ; once at start, then from the mouse-callback-function..
    _Magnify()

    While $mag_open
        Sleep(50)
        $mX = MouseGetPos(0)
        $mY = MouseGetPos(1)
        $pixel_color = Hex(PixelGetColor($mX, $mY), 6)
        GUICtrlSetData($mag_label, $pixel_color)
    WEnd

    GUIDelete($hZoom)
    GUIDelete($hCross)
    ReleaseHooks()

EndFunc   ;==>MagWindow

Func _Magnify($_iX = -1, $_iY = -1, $reset = False)
    Local Static $fInit = True
    If $fInit Then
        $fInit = False
        $hDCDesk = (DllCall($hUser32, "int", "GetDC", "hwnd", 0))[0]
        $hDCZoom = (DllCall($hUser32, "int", "GetDC", "hwnd", $hZoom))[0]
        $hPen = (DllCall($hGDI32, "int", "CreatePen", "int", 0, "int", 3, "int", 0x008b9094))[0] ; 0=PS_SOLID, dark-blue (0x00BBGGRR)
        DllCall($hGDI32, "int", "SelectObject", "int", $hDCZoom, "hwnd", $hPen)
        $_iX = MouseGetPos(0)
        $_iY = MouseGetPos(1)
    EndIf
    Local $iW = $iMagWidth * $iMagZoom, $iH = $iMagHeight * $iMagZoom
    If Not @error Then
        DllCall($hGDI32, "int", "StretchBlt", "int", $hDCZoom, "int", _
                0, "int", 0, "int", $iW, "int", $iH, "int", $hDCDesk, "int", _
                $_iX - $iMagWidth / 2, "int", $_iY - $iMagHeight / 2, "int", $iMagWidth, "int", $iMagHeight, _
                "long", $SRCCOPY)
        ; draw the crosshair    (start x, start y, end x, end y)
        _GDI32_DrawLine($hDCZoom, ($iW / 2) - 2, $iH / 8, ($iW / 2) - 2, 4 * ($iH / 8) - 6, $hGDI32) ; vertical top
        _GDI32_DrawLine($hDCZoom, ($iW / 2) - 2, 5 * ($iH / 8) - 10, ($iW / 2) - 2, 7 * ($iH / 8), $hGDI32) ; vertical bottom
        _GDI32_DrawLine($hDCZoom, $iW / 8, ($iH / 2) - 2, (3 * ($iW / 8)) + 6, ($iH / 2) - 2, $hGDI32) ; horizontal left
        _GDI32_DrawLine($hDCZoom, 4 * ($iW / 8) + 3, ($iH / 2) - 2, 7 * ($iW / 8), ($iH / 2) - 2, $hGDI32) ; horizontal right
    EndIf
    If $reset Then
        $fInit = True
    EndIf
EndFunc   ;==>_Magnify

Func _GDI32_DrawLine(ByRef $_hDC, $_iX0, $i_Y0, $_iX1, $i_Y1, $_hDll = -1)
    If $_hDll = -1 Then $_hDll = "gdi32.dll"
    Local $tCurrent = DllStructCreate("struct; long X;long Y; endstruct")
    DllCall($_hDll, "int", "MoveToEx", "int", $_hDC, "int", $_iX0, "int", $i_Y0, "ptr", DllStructGetPtr($tCurrent))
    DllCall($_hDll, "int", "LineTo", "int", $_hDC, "int", $_iX1, "int", $i_Y1)
    Return $tCurrent
EndFunc   ;==>_GDI32_DrawLine

Func _MouseProc($_nCode, $_wParam, $_lParam)
    Local $tMSLLHOOKSTRUCT = DllStructCreate("struct; long X;long Y; endstruct; " & _
            "DWORD mouseData; DWORD flags; DWORD time; ULONG_PTR dwExtraInfo;endstruct", $_lParam)
    If $_nCode < 0 Then Return _WinAPI_CallNextHookEx($__hHook, $_nCode, $_wParam, $_lParam)
    Local $iX = $tMSLLHOOKSTRUCT.X, $iY = $tMSLLHOOKSTRUCT.Y
    Switch $_wParam
        Case $WM_LBUTTONDOWN
            CloseMag()
        Case $WM_MOUSEMOVE
            If Not $mag_open Then Return
            WinMove($hCross, "", $iX - 24, $iY - 24)
            Local $iXz = ($iX + 24 + $iMagWidth * $iMagZoom > @DesktopWidth) ? $iX - (24 + $iMagWidth * $iMagZoom) : $iX + 24
            Local $iYz = ($iY + 24 + $iMagHeight * $iMagZoom > @DesktopHeight) ? $iY - (24 + $iMagHeight * $iMagZoom) : $iY + 24
            WinMove($hZoom, "", $iXz + $iMagWidth / 2, $iYz)
            _Magnify($iX, $iY)
    EndSwitch
    Return _WinAPI_CallNextHookEx($__hHook, $_nCode, $_wParam, $_lParam)
EndFunc   ;==>_MouseProc

Func ReleaseHooks()
    _Magnify(Default, Default, True)
    DllCall($hUser32, "int", "ReleaseDC", "int", $hDCZoom, "hwnd", $hPen)
    DllCall($hUser32, "int", "ReleaseDC", "int", $hDCDesk, "hwnd", 0)
    DllCall($hUser32, "int", "ReleaseDC", "int", $hDCZoom, "hwnd", 0)
    DllClose($hUser32)
    DllClose($hGDI32)
    _WinAPI_UnhookWindowsHookEx($__hHook)
    DllCallbackFree($__hMouseProc)
EndFunc   ;==>ReleaseHooks

Func CloseMag() ; called by mouse left click
    $mag_open = False
EndFunc   ;==>CloseMag

Jos

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corz

Jos! As ever, you are a star!

Reset. Very clever! Ta, mate!

;o) Cor


nothing is foolproof to the sufficiently talented fool..

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Get all the horizontal scroll bar information Local $tSCROLLINFO_Y = _GUIScrollBars_GetScrollInfoEx($hWnd, $SB_VERT) $Min = DllStructGetData($tSCROLLINFO_Y, "nMin") $Max = DllStructGetData($tSCROLLINFO_Y, "nMax") $Page = DllStructGetData($tSCROLLINFO_Y, "nPage") ; Save the position for comparison later on $IE_offset_y = DllStructGetData($tSCROLLINFO_Y, "nPos") $TrackPos = DllStructGetData($tSCROLLINFO_Y, "nTrackPos") #forceref $Min, $Max Local $nScrollCode = BitAND($wParam, 0x0000FFFF) Switch $nScrollCode Case $SB_LINELEFT ; user clicked left arrow DllStructSetData($tSCROLLINFO_Y, "nPos", $IE_offset_y - 1) Case $SB_LINERIGHT ; user clicked right arrow DllStructSetData($tSCROLLINFO_Y, "nPos", $IE_offset_y + 1) Case $SB_PAGELEFT ; user clicked the scroll bar shaft left of the scroll box DllStructSetData($tSCROLLINFO_Y, "nPos", $IE_offset_y - $Page) Case $SB_PAGERIGHT ; user clicked the scroll bar shaft right of the scroll box DllStructSetData($tSCROLLINFO_Y, "nPos", $IE_offset_y + $Page) Case $SB_THUMBTRACK ; user dragged the scroll box DllStructSetData($tSCROLLINFO_Y, "nPos", $TrackPos) EndSwitch DllStructSetData($tSCROLLINFO_Y, "fMask", $SIF_POS) _GUIScrollBars_SetScrollInfo($hWnd, $SB_VERT, $tSCROLLINFO_Y) $IE_offset_y = DllStructGetData($tSCROLLINFO_Y, "nPos") DrawImage($hGfx_Context, $hBitmap, $IE_offset_x, $IE_offset_y, $iW, $iH) $bMove_Crop = False ConsoleWrite($iPosX_Crop & ", " & $iPosY_Crop & " / " & $IE_offset_x & ", " & $IE_offset_y & @CRLF) WinMove($hGUI_IE_Crop, "", -$IE_offset_x + $iPosX_Crop, -$IE_offset_y + $iPosY_Crop) ;~ DllCall("user32.dll", "bool", "MoveWindow", "hwnd", $hGUI_IE_Crop, "int", -$IE_offset_x + $iPosX_Crop, "int", -$IE_offset_y + $iPosY_Crop, "int", $iW_crop, "int", $iH_crop, "bool", True) $bMove_Crop = True Return "GUI_RUNDEFMSG" EndFunc ;==>WM_VSCROLL_IE Func _WM_LBUTTONDOWN($hWnd, $iMsg, $wParam, $lParam) _SendMessage($hGUI_IE_Crop, $WM_SYSCOMMAND, $SC_DRAGMOVE, 0) EndFunc ;==>_WM_LBUTTONDOWN Func WM_MOVE_IE_GUI_Crop($hWnd, $iMsg, $wParam, $lParam) #forceref $iMsg, $wParam If $hWnd = $hGUI_IE_Crop And $bMove_Crop Then $iPosX_Crop = _WinAPI_LoWord($lParam) $iPosY_Crop = _WinAPI_HiWord($lParam) EndIf Return "GUI_RUNDEFMSG" EndFunc ;==>WM_MOVE_IE_GUI_Crop Func WM_SIZE_IE_GUI_Crop($hWnd, $iMsg, $wParam, $lParam) Return $GUI_RUNDEFMSG EndFunc ;==>WM_SIZE_IE_GUI_Crop Func DrawImage($hGfx_Context, $hBitmap, $IE_offset_x, $IE_offset_y, $iW, $iH) _GDIPlus_GraphicsDrawImageRectRect($hGfx_Context, $hBitmap, $IE_offset_x, $IE_offset_y, $iW, $iH, 0, 0, $iW, $iH) $hHBitmap_tmp = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hBitmap_tmp) _WinAPI_DeleteObject(GUICtrlSendMsg($idPic, $STM_SETIMAGE, $IMAGE_BITMAP, $hHBitmap_tmp)) _WinAPI_DeleteObject($hHBitmap_tmp) EndFunc  
      My problem: if you move the child window at left upper corner to another place and move either H or V scrollbar the child GUI will be moved properly. BUT if you have scrolled the scrollbars to the right bottom of the image and move the child GUI to that corner, too then the child GUI jumps if you click on one of the scrollbars.
      Is there something that I didn't consider?
    • Emmhor1
      By Emmhor1
      Hi All,

      MAIN QUESTION:
      Is it possible to Call specific function within a GUI

      So I have a script with multiple functions although I don't want to use every function every time.
      My Idea is to create a simple GUI which allows me to select what functions I want to use then run the funtions by clicking a button.
      I have already made a GUI which allows me to select specific .exe's I would like to run after selection it runs the .exe one by one.
      This script is on my work laptops and cannot access it right now.
       
      Who can help me with this?
      GUIcreate
      Func1 
      Func2
      Func3
      Then have a boxes which allows me to select the specif Func.(I used GUIChecked and Unchecked in my other script)
      Then a button which executes/calls the selected functions
    • Blois
      By Blois
      Hi Guis,
       
      I need to create keyboard shortcut to navigate the tabs and activate them, but I could not use the code below:
      #include <TabConstants.au3> #include <WindowsConstants.au3> #include <GuiTab.au3> #include <GUIConstantsEx.au3> HotKeySet("^{TAB}", "_TabRight") HotKeySet("^+{TAB}", "_TabLeft") $gui = GUICreate("test",450, 300) $Tab1 = GUICtrlCreateTab(20, 24, 425, 201) $TabSheet1 = GUICtrlCreateTabItem("Tabsheet 1") $lbContagemGrupos2 = GUICtrlCreateLabel("aaaa", 50, 50) GUICtrlSetColor(-1, 0x0000FF) GUICtrlCreateTabItem("") $TabSheet2 = GUICtrlCreateTabItem(" ") $TabSheet3 = GUICtrlCreateTabItem(" ") GUISetState() While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE ExitLoop EndSwitch WEnd Func _TabRight() $CurPos = _GUICtrlTab_GetCurSel($Tab1) _GUICtrlTab_SetCurSel($Tab1, $CurPos + 1) $tab = "$TabSheet" & $CurPos GUICtrlSetState($TabSheet1 + $CurPos, $GUI_SHOW) Return EndFunc Func _TabLeft() $CurPos = _GUICtrlTab_GetCurSel($Tab1) _GUICtrlTab_SetCurSel($Tab1, $CurPos - 1) $tab = "$TabSheet" & $CurPos GUICtrlSetState($TabSheet1 + $CurPos, $GUI_SHOW) Return EndFunc Exit  
      can you help me?
    • Pricehacker
      By Pricehacker
      Hello again!
      I have tried searching for quite some time now but couldn´t find a single working way to change the class of your GUI that doesn´t include changing it manually after its compilation.
      First or "AutoIt v3 GUI" is a pretty boring name tbh and i would like to spice it up a bit, also, and more importantly, I would like to identify my windows by something other than its title as it will change depending on some factors and im using two different programs independently as multi threading isn't supported.
      Any help is appreciated! Thank you!
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