//---------------------------------------------------------------------------
void __fastcall TRichEdit20::SetFormat(UnicodeString FontName, int FontSize,
TFontCharset FontCharset, TFontStyles FontStyles, unsigned int TabSize,
bool AWordWrap)
{
if (!FInitialized)
{
// for efficiency we should be creating handle here
assert(!HandleAllocated());
}
// setting DefAttributes is noop if we do not have a handle
// (btw code below would create one anyway)
HandleNeeded();
LockWindowUpdate(Handle);
// setting DefAttributes may take quite time, even if the font attributes
// do not change, so avoid that if not necessary
if (!FInitialized ||
(Font->Name != FontName) ||
(Font->Size != FontSize) ||
(Font->Charset != FontCharset) ||
(Font->Style != FontStyles))
{
Font->Name = FontName;
Font->Size = FontSize;
Font->Charset = FontCharset;
Font->Style = FontStyles;
DefAttributes->Assign(Font);
}
if (!FInitialized ||
(FTabSize != TabSize))
{
SetTabSize(TabSize);
FTabSize = TabSize;
}
if (!FInitialized ||
(FWordWrap != AWordWrap))
{
assert(HandleAllocated());
// Undocumented usage of EM_SETTARGETDEVICE.
// But note that it is used by MFC in CRichEditView::WrapChanged()
SendMessage(Handle, EM_SETTARGETDEVICE, 0, (AWordWrap ? 0 : 1));
FWordWrap = AWordWrap;
}
LockWindowUpdate(NULL);
FInitialized = true;
}
//---------------------------------------------------------------------------
HDWP __fastcall TTVPHintWindow::ShowTop(HDWP hdwp)
{
if(HandleAllocated() && Visible)
{
hdwp = DeferWindowPos(hdwp, Handle, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOSENDCHANGING|SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOREPOSITION|
SWP_NOSIZE|WM_SHOWWINDOW);
Invalidate();
}
return hdwp;
}
//---------------------------------------------------------------------------
void TLinkLabelEx::AdjustBounds()
{
if(!ComponentState.Contains(csLoading) && AutoSize)
{
if(CheckWin32Version(6) && IsLinkLabelSupported())
{
if(HandleAllocated())
{
TSize TextSize;
SendMessage(Handle, LM_GETIDEALSIZE, WordWrap ? Width : MaxInt, reinterpret_cast<LONG>(&TextSize));
SetBounds(Left, Top, WordWrap ? Width : TextSize.cx, WordWrap ? TextSize.cy : Height);
}
}
else
{
HDC DC = GetDC(0);
try
{
HFONT SaveFont = reinterpret_cast<HFONT>(SelectObject(DC, Font->Handle));
try
{
String Parsed = ParseLinks();
if(FWordWrap)
{
TRect Rect(0, 0, Width, Height);
DrawText(DC, Parsed.c_str(), Parsed.Length(), &Rect, DT_WORDBREAK | DT_NOCLIP | DT_CALCRECT | DT_NOPREFIX);
Height = Rect.Height();
}
else
{
TSize TextSize;
GetTextExtentPoint32(DC, Parsed.c_str(), Parsed.Length(), &TextSize);
SetBounds(Left, Top, TextSize.cx, TextSize.cy);
}
}
__finally
{
SelectObject(DC, SaveFont);
}
}
__finally
{
ReleaseDC(0, DC);
}
}
}
}