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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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Global $file = @TempDir & "\test.p" destroy() Global $msg, $score = 0, $rate, $com, $total = 0, $cfile, $cq, $i = 0, $time = 0, $min = 0, $sec = 0, $hour = 0, $qf, $ii = 0 Main() Func Main() Global $iGUIInitSize = 550 #Region GUI Opt("GUICloseOnEsc", 1) Global $gui = GUICreate("example", 1124, 550,-1 ,-1, BitOR($WS_MAXIMIZEBOX , $WS_MINIMIZEBOX)) Global $gui_size = WinGetClientSize($gui) Global $iFontSize = Int(2 * (.25 + (8 * $gui_size[0] / $iGUIInitSize))) / 2 Global $options = GUICtrlCreateMenu("&Options") Global $guide = GUICtrlCreateMenuItem("Guide", $options) Global $restart = GUICtrlCreateMenuItem("Restart", $options) Global $about = GUICtrlCreateMenuItem("About", $options) Global $exit = GUICtrlCreateMenuItem("Exit", $options) Global $extra = GUICtrlCreateMenu("Extras") Global $creator = GUICtrlCreateMenu("CQB", $extra ) Global $new = GUICtrlCreateMenuItem("custom QP", $creator) Global $load = GUICtrlCreateMenuItem("CQ", $creator ) Global $timer = GUICtrlCreateLabel("", 752, 472, 294, 30, $WS_BORDER) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) GUICtrlSetFont(-1, $iFontSize) GUICtrlSetState($timer, $GUI_HIDE) Global $info = GUICtrlCreateLabel( $q, 200, 20, 700, 200, $SS_CENTER ) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) $fi = GUICtrlSetFont($info, $iFontSize) Global $a = GUICtrlCreateRadio("A)", 100, 210, $WS_EX_CLIENTEDGE) $fa = GUICtrlSetFont($a, 15) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) GUICtrlSetState($a, 16) Global $b = GUICtrlCreateRadio("B)", 100, 310 , $WS_EX_CLIENTEDGE) $fb = GUICtrlSetFont($b, 15) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) GUICtrlSetState($b, 16) Global $c = GUICtrlCreateRadio("C)", 750, 210 , $WS_EX_CLIENTEDGE) $fc = GUICtrlSetFont($c, 15) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) GUICtrlSetState($c, 16) Global $d = GUICtrlCreateRadio( "D) ", 750, 310, $WS_EX_CLIENTEDGE) $fd = GUICtrlSetFont($d, 15) GUICtrlSetResizing (-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER) ) GUICtrlSetState($d, 16) Global $sign = GUICtrlCreateLabel( $file, 420, 480, -1, -1, BitOR ( $SS_CENTER, $WS_BORDER ) ) GUICtrlSetResizing ( -1, BitOR ( $GUI_DOCKHCENTER, $GUI_DOCKVCENTER ) ) GUICtrlSetFont($sign, 12) Global $yb = GUICtrlCreateRadio("True", 200, 420, 200, 50, $BS_PUSHLIKE) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER,$GUI_DOCKSIZE)) GUICtrlSetFont($yb, 15) GUICtrlSetState($yb, 32) Global $nb = GUICtrlCreateRadio("False", 700, 420, 200, 50, $BS_PUSHLIKE) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER, $GUI_DOCKSIZE)) GUICtrlSetFont($nb, 15) GUICtrlSetState($nb, 32) Global $start = GUICtrlCreateButton("Start", 20, 20, 100, 50, $SS_CENTER, $WS_EX_CLIENTEDGE) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER)) GUICtrlSetFont($start, 12) Global $valid = GUICtrlCreateButton("Confirm", 20, 20, 100, 50, $SS_CENTER, $WS_EX_CLIENTEDGE) GUICtrlSetResizing(-1, BitOR($GUI_DOCKHCENTER, $GUI_DOCKVCENTER)) GUICtrlSetFont($valid, 12) GUICtrlSetState($valid, 32) GUISetState(@SW_SHOW) #EndRegion GUI While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE Switch MsgBox(4096 + 4, "Warning", "Are you sure to exit?") Case 6 AdlibUnRegister("timer") If Not $qf = "" Then FileClose($file) EndIf Exit Case 7 ContinueLoop EndSwitch Case $start ;AdlibRegister("timer") ;Global $qf = StringSplit(StringStripWS(FileRead($file), 6), @CRLF, 0) ;qloop($file) GUICtrlSetData($a, "A) This long string is an example as string that I want to fit in 4 radio buttons because sometimes it can be that long.") GUICtrlSetData($b, "B) This long string is an example as string that I want to fit in 4 radio buttons because sometimes it can be that long.") GUICtrlSetData($c, "C) This long string is an example as string that I want to fit in 4 radio buttons because sometimes it can be that long.") GUICtrlSetData($d, "D) This long string is an example as string that I want to fit in 4 radio buttons because sometimes it can be that long.") Case $restart MsgBox(4096, "Warning", 'Normally, your suposed to start something before restarting it.') ContinueLoop Case $new ;GUISetState(@SW_HIDE, $gui) ;_CustomNew() ContinueLoop Case $load ;_CustomLoad() Case $about ;_About() EndSwitch WEnd EndFunc ;Main() Func timer() If $time = 0 Then Global $time = TimerInit() Global $diff = TimerDiff($time) Global $sec = Int(Mod($diff / 1000, 60)) Global $min = Int(Mod($diff / 60000, 60)) Global $hour = Int($diff / 3600000) If $sec < 10 Then $sec = "0" & $sec If $min < 10 Then $min = "0" & $min If $hour < 10 Then $hour = "0" & $hour GUICtrlSetData($timer, "Temps: " & $hour & ":" & $min & ":" & $sec) EndFunc ;==>timer Func destroy() If FileExists($file) Then FileDelete($file) EndIf DirCreate(@TempDir & "\About") FileInstall("C:\test.txt", $file) EndFunc ;==>destroy  
    • xtcislove
      By xtcislove
      Hello,

      im searching like 6 hours and i didnt found the right solution.

      Im trying to build a treeview from a directory and its subfolders etc.

      This function give me right treeview, but i cant color each item seperated.

       
      #include <GuiTreeView.au3> $hGui = GUICreate("Demo1", 600, 400) $hTreeView = _GUICtrlTreeView_Create($hGui, 10, 10, 580, 380) GUISetState() _GUICtrlTreeView_BeginUpdate($hTreeView) ListFiles_ToTreeView(@ScriptDir, 0) _GUICtrlTreeView_EndUpdate($hTreeView) Do Until GUIGetMsg() = -3 Func ListFiles_ToTreeView($sSourceFolder, $hItem) Local $sFile ; Force a trailing \ If StringRight($sSourceFolder, 1) <> "\" Then $sSourceFolder &= "\" ; Start the search Local $hSearch = FileFindFirstFile($sSourceFolder & "*.*") ; If no files found then return If $hSearch = -1 Then Return ; This is where we break the recursive loop <<<<<<<<<<<<<<<<<<<<<<<<<< ; Now run through the contents of the folder While 1 ; Get next match $sFile = FileFindNextFile($hSearch) ; If no more files then close search handle and return If @error Then ExitLoop ; This is where we break the recursive loop <<<<<<<<<<<<<<<<<<<<<<<<<< ; Check if a folder If @extended Then ; If so then call the function recursively ListFiles_ToTreeView($sSourceFolder & $sFile, _GUICtrlTreeView_AddChild($hTreeView, $hItem, $sFile)) Else ; If a file than write path and name _GUICtrlTreeView_AddChild($hTreeView, $hItem, $sFile) EndIf WEnd ; Close search handle FileClose($hSearch) EndFunc ;==>ListFiles_ToTreeView
      So i am searching for the exact same function just with
      GUICtrlCreateTreeViewItem
      instead of 
      _GUICtrlTreeView_AddChild
       
      Ps: i have a folder structure where i like to color each item green if a file only exist once and red if it exist more than once.

      Could someone help?
       
      Solution:

       
       
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