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.reference: Rainbow example (RM #158)

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git-svn-id: svn://ultimatepp.org/upp/trunk@4176 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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cxl 2011-11-16 09:44:09 +00:00
parent 7c77584ac9
commit 8beda45e4d
43 changed files with 4961 additions and 0 deletions
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reference/Framebuffer/DnD.cpp Normal file
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#include "Fb.h"
#ifdef GUI_FB
NAMESPACE_UPP
#define LLOG(x) // DLOG(x)
// --------------------------------------------------------------------------------------------
Ptr<Ctrl> sDnDSource;
Ctrl * Ctrl::GetDragAndDropSource()
{
return sDnDSource;
}
struct DnDLoop : LocalLoop {
const VectorMap<String, ClipData> *data;
Vector<String> fmts;
Image move, copy, reject;
Ptr<Ctrl> target;
int action;
byte actions;
void Sync();
String GetData(const String& f);
void DnD(bool paste);
virtual void LeftUp(Point, dword);
virtual bool Key(dword, int);
virtual void MouseMove(Point p, dword);
virtual Image CursorImage(Point, dword);
};
Ptr<DnDLoop> dndloop;
bool PasteClip::IsAvailable(const char *fmt) const
{
GuiLock __;
return dnd ? dndloop && FindIndex(dndloop->fmts, fmt) >= 0
: IsClipboardAvailable(fmt);
}
String DnDLoop::GetData(const String& f)
{
GuiLock __;
int i = data->Find(f);
String d;
if(i >= 0)
d = (*data)[i].Render();
else
if(sDnDSource)
d = sDnDSource->GetDropData(f);
return d;
}
String PasteClip::Get(const char *fmt) const
{
return dnd ? dndloop ? dndloop->GetData(fmt) : String() : ReadClipboard(fmt);
}
void PasteClip::GuiPlatformConstruct()
{
dnd = false;
}
void DnDLoop::DnD(bool paste)
{
PasteClip d;
d.paste = paste;
d.accepted = false;
d.allowed = (byte)actions;
d.action = GetCtrl() ? DND_COPY : DND_MOVE;
d.dnd = true;
if(target)
target->DnD(GetMousePos(), d);
action = d.IsAccepted() ? d.GetAction() : DND_NONE;
}
void DnDLoop::Sync()
{
GuiLock __;
Ptr<Ctrl> t = FindMouseTopCtrl();
if(t != target)
if(target)
target->DnDLeave();
target = t;
DnD(false);
}
void DnDLoop::LeftUp(Point, dword)
{
GuiLock __;
LLOG("DnDLoop::LeftUp");
DnD(true);
EndLoop();
}
void DnDLoop::MouseMove(Point p, dword)
{
GuiLock __;
LLOG("DnDLoop::MouseMove");
Sync();
}
bool DnDLoop::Key(dword, int)
{
GuiLock __;
LLOG("DnDLoop::Key");
Sync();
return false;
}
Image DnDLoop::CursorImage(Point, dword)
{
GuiLock __;
return action == DND_MOVE ? move : action == DND_COPY ? copy : reject;
}
int Ctrl::DoDragAndDrop(const char *fmts, const Image& sample, dword actions,
const VectorMap<String, ClipData>& data)
{
GuiLock __;
DnDLoop d;
d.actions = (byte)actions;
d.reject = actions & DND_EXACTIMAGE ? CtrlCoreImg::DndNone() : MakeDragImage(CtrlCoreImg::DndNone(), sample);
if(actions & DND_COPY)
d.copy = actions & DND_EXACTIMAGE ? sample : MakeDragImage(CtrlCoreImg::DndCopy(), sample);
if(actions & DND_MOVE)
d.move = actions & DND_EXACTIMAGE ? sample : MakeDragImage(CtrlCoreImg::DndMoveX11(), sample);
d.SetMaster(*this);
d.data = &data;
d.action = DND_NONE;
d.fmts = Split(fmts, ';');
dndloop = &d;
sDnDSource = this;
d.Run();
sDnDSource = NULL;
SyncCaret();
LLOG("DoDragAndDrop finished");
return d.action;
}
void Ctrl::SetSelectionSource(const char *fmts) {}
END_UPP_NAMESPACE
#endif