WString GetWString(PasteClip& clip)
{
GuiLock __;
if(clip.Accept("wtext")) {
String s = ~clip;
return WString((const wchar *)~s, wstrlen((const wchar *)~s));
}
if(clip.Accept("text"))
return (~clip).ToWString();
return Null;
}
Image GetImage(PasteClip& clip)
{
GuiLock __;
Image m;
if(Accept<Image>(clip)) {
LoadFromString(m, ~clip);
if(!m.IsEmpty())
return m;
}
if(clip.Accept("dib")) {
String data = ~clip;
if((unsigned)data.GetCount() < sizeof(BITMAPINFO)) return Null;
BITMAPINFO *lpBI = (BITMAPINFO *)~data;
BITMAPINFOHEADER& hdr = lpBI->bmiHeader;
byte *bits = (byte *)lpBI + hdr.biSize;
if(hdr.biBitCount <= 8)
bits += (hdr.biClrUsed ? hdr.biClrUsed : 1 << hdr.biBitCount) * sizeof(RGBQUAD);
if(hdr.biBitCount >= 16 || hdr.biBitCount == 32) {
if(hdr.biCompression == 3)
bits += 12;
if(hdr.biClrUsed != 0)
bits += hdr.biClrUsed * sizeof(RGBQUAD);
}
int h = abs((int)hdr.biHeight);
ImageDraw iw(hdr.biWidth, h);
::StretchDIBits(iw.GetHandle(),
0, 0, hdr.biWidth, h,
0, 0, hdr.biWidth, h,
bits, lpBI, DIB_RGB_COLORS, SRCCOPY);
return iw;
}
return Null;
}
void WorkspaceWork::DnDInsert(int line, PasteClip& d)
{
if(GetActivePackage() == METAPACKAGE)
return;
if(GetInternalPtr<UppList>(d, "package-file") == &filelist && d.Accept())
DoMove(line < fileindex.GetCount() ? fileindex[line] : actual.file.GetCount(), true);
}
bool AcceptFiles(PasteClip& clip)
{
if(clip.Accept("files")) {
clip.SetAction(DND_COPY);
return true;
}
return false;
}
String GetString(PasteClip& clip)
{
GuiLock __;
if(clip.Accept("wtext")) {
String s = ~clip;
return WString((const wchar *)~s, wstrlen((const wchar *)~s)).ToString();
}
if(clip.IsAvailable("text"))
return ~clip;
return Null;
}
void MyApp::DragAndDrop(Point p, PasteClip& clip)
{
if(clip.Accept("MyAppData")) {
String bin = clip;
if(bin.GetLength() > sizeof(Color)) { // prudent check
pos = p;
memcpy(&data.color, ~bin, sizeof(Color));
data.text = bin.Mid(sizeof(Color));
}
Refresh();
}
if(AcceptText(clip)) {
pos = p;
data.text = GetString(clip);
}
dragpos = clip.IsAccepted() ? p : Null;
Refresh();
}
bool AcceptImage(PasteClip& clip)
{
GuiLock __;
return clip.Accept(ClipFmtsImage());
}
bool AcceptText(PasteClip& clip)
{
return clip.Accept(ClipFmtsText());
}
