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DropFiles

 

Window that accepts drag&drop of files

 

 

main.cpp

 

#include <CtrlLib/CtrlLib.h>

 

using namespace Upp;

 

struct DndTest : public TopWindow {

    virtual void Paint(Draw &w);

    virtual void DragAndDrop(Point p, PasteClip& d);

    virtual bool Key(dword key, int count);

    virtual void LeftDrag(Point p, dword keyflags);

 

    Vector<String> files;

 

    DndTest();

};

 

void DndTest::Paint(Draw &w)

{

    w.DrawRect(GetSize(), SColorPaper());

    if(files.GetCount())

        for(int i = 0; i < files.GetCount(); i++)

            w.DrawText(2, 2 + i * Draw::GetStdFontCy(), files[i]);

    else

        w.DrawText(2, 2, "None");

}

 

void DndTest::DragAndDrop(Point p, PasteClip& d)

{

    if(IsDragAndDropSource())

        return;

    if(AcceptFiles(d)) {

        files = GetFiles(d);

        Refresh();

    }

}

 

bool DndTest::Key(dword key, int count)

{

    if(key == K_CTRL_V) {

        files = GetFiles(Ctrl::Clipboard());

        Refresh();

        return true;

    }

    return false;

}

 

void DndTest::LeftDrag(Point p, dword keyflags)

{

    if(files.GetCount()) {

        VectorMap<String, ClipData> data;

        AppendFiles(data, files);

        DoDragAndDrop(data, Null, DND_COPY);

    }

}

 

DndTest::DndTest()

{

    Title("I need files!");

}

 

GUI_APP_MAIN

{

    DndTest().Run();

}

 

 

 

 

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