Shoutbox

I made some changes again.

code:

---

var wnd
var trans = 75
var WS_EX_LAYERED        =    0x80000
var LWA_ALPHA            =    0x2
var GWL_STYLE            =    -20
var LVNI_SELECTED        =    0x2
var LVM_FIRST            =    0x1000
var LVM_GETITEM        =    LVM_FIRST + 5
var LVM_GETNEXTITEM        =    LVM_FIRST + 12
var LVM_DELETEITEM        =    0x1008
var WM_DRAWCLIPBOARD    =    0x308
var CF_TEXT            =    1
var CF_OEMTEXT            =    7
var CF_UNICODETEXT        =    13

function OnEvent_Initialize(){
    wnd = MsgPlus.CreateWnd('Interface.xml', 'WndHistory');
    wnd.RegisterMessageNotification(WM_DRAWCLIPBOARD);
    MakeWndTransparent(wnd.Handle, trans);
    Interop.Call('user32', 'SetClipboardViewer', wnd.Handle);
}
function OnWndHistoryEvent_MessageNotification(PlusWnd, Message, wParam, lParam){
    switch (Message)    {
    case WM_DRAWCLIPBOARD:
        Interop.Call('user32', 'OpenClipboard', PlusWnd.Handle);
        if (Interop.Call('user32', 'IsClipboardFormatAvailable', CF_TEXT | CF_OEMTEXT ))
        {
            var handle=    Interop.Call('user32', 'GetClipboardData', CF_UNICODETEXT);
            var size    =    Interop.Call('kernel32', 'GlobalSize', handle);
            var str    =    Interop.Allocate(2 * (size + 1));
            var f    =    false;
           
            Interop.Call('kernel32', 'RtlMoveMemory', str, handle, size);           
           
            // a dodgy way to find an item before add data into 'history' listview and prevent many data repeated
            for (var i = 0; i < PlusWnd.LstView_GetCount('history'); i++)
                if (PlusWnd.LstView_GetItemText('history', i, 0) == str.ReadString(0)){
                    f = true;
                    PlusWnd.LstView_SetSelectedState('history', i, true);
                    break;
                }
           
            if (!f){
            PlusWnd.LstView_AddItem('history', str.ReadString(0));
            }
            str.Size = 0;
        }
        Interop.Call('user32', 'CloseClipboard');   
    break;
    }
}
function OnWndHistoryEvent_CtrlClicked(PlusWnd, ControlId){
var d = 'On' + PlusWnd.WindowId + 'Event_' + ControlId + 'Clicked';
if (eval('typeof(' + d + ')') == 'function')    eval(d + '(PlusWnd);');
}
function OnWndHistoryEvent_BtnCopyClicked(PlusWnd){
    var i = PlusWnd.SendControlMessage('history', LVM_GETNEXTITEM, -1, LVNI_SELECTED);
    if (i < 0)return;
   
    var str    =    PlusWnd.LstView_GetItemText('history', i, 0);
    var size    =    2*(str.length+1);
   
        if (Interop.Call('user32', 'OpenClipboard', PlusWnd.Handle)){
            var heap        =    Interop.Call('kernel32', 'GlobalAlloc', 0, size);
            var pointer    =    Interop.Call('kernel32', 'GlobalLock', heap);

            Interop.Call('kernel32', 'RtlMoveMemory', pointer, str, size);
            Interop.Call('kernel32', 'GlobalUnlock', heap);
           
                if (Interop.Call('user32', 'OpenClipboard', PlusWnd.Handle)){
                    Interop.Call('user32', 'EmptyClipboard');
                    Interop.Call('user32', 'SetClipboardData', CF_UNICODETEXT, heap);
                    Interop.Call('user32', 'CloseClipboard');
                }
        }
}
function OnWndHistoryEvent_BtnDeleteClicked(PlusWnd){
    var i = PlusWnd.SendControlMessage('history', LVM_GETNEXTITEM, -1, LVNI_SELECTED);
    if (i < 0)return;
    PlusWnd.SendControlMessage('history', LVM_DELETEITEM, i, 0);
}
function OnWndHistoryEvent_LstViewDblClicked(PlusWnd,ControlId,Index){
    OnWndHistoryEvent_BtnCopyClicked(PlusWnd);
}
function OnWndHistoryEvent_Cancel(PlusWnd){
    PlusWnd.RegisterMessageNotification(WM_DRAWCLIPBOARD, false);
}
function MakeWndTransparent(hWnd, lTransparencyLevel){
     var nMsg = Interop.Call('user32', 'GetWindowLongW', hWnd, GWL_STYLE);
     nMsg |= WS_EX_LAYERED;
     Interop.Call('user32', 'SetWindowLongW', hWnd, GWL_STYLE, nMsg);
     Interop.Call('user32', 'SetLayeredWindowAttributes', hWnd, 0, (lTransparencyLevel/100)*255, LWA_ALPHA);
}

---

As you can see at line 37, there's a loop to check the entire listview and prevent data repeated... Does anyone know a better way?