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Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
16440 changed files with 4239995 additions and 2 deletions
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Src/Wasabi/api/wnd/drag.h Normal file
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#ifndef __WASABI_DRAG_H
#define __WASABI_DRAG_H
class ifc_window;
#include <bfc/wasabi_std.h>
class NOVTABLE DragInterface
{
public:
// (called on dest) when dragged item enters the winder
virtual int dragEnter(ifc_window *sourceWnd) = 0;
// (called on dest) during the winder
virtual int dragOver(int x, int y, ifc_window *sourceWnd) = 0;
// (called on src)
virtual int dragSetSticky(ifc_window *wnd, int left, int right, int up, int down) = 0;
// (called on dest) when dragged item leaves the winder
virtual int dragLeave(ifc_window *sourceWnd) = 0;
// (called on dest) here is where we actually drop it
virtual int dragDrop(ifc_window *sourceWnd, int x, int y) = 0;
// must be called from within dragDrop(); (receiver)
virtual const wchar_t *dragGetSuggestedDropTitle(void) = 0;
// must be called from within your dragEnter, Over, Leave, or Drop
// return the slot # if you support this form of the data, -1 otherwise
// nitems can be NULL if you're just checking validity
virtual int dragCheckData(const wchar_t *type, int *nitems = NULL) = 0;
// fetches a specific pointer that was stored
virtual void *dragGetData(int slot, int itemnum) = 0;
virtual int dragCheckOption(int option) = 0;
};
class DragInterfaceI : public DragInterface
{
public:
// (called on dest) when dragged item enters the winder
virtual int dragEnter(ifc_window *sourceWnd) { return 0; }
// (called on dest) during the winder
virtual int dragOver(int x, int y, ifc_window *sourceWnd) { return 0; }
// (called on src)
virtual int dragSetSticky(ifc_window *wnd, int left, int right, int up, int down) { return 0; }
// (called on dest) when dragged item leaves the winder
virtual int dragLeave(ifc_window *sourceWnd) { return 0; }
// (called on dest) here is where we actually drop it
virtual int dragDrop(ifc_window *sourceWnd, int x, int y) { return 0; }
// must be called from within dragDrop(); (receiver)
virtual const wchar_t *dragGetSuggestedDropTitle(void) { return NULL; }
// must be called from within your dragEnter, Over, Leave, or Drop
// return the slot # if you support this form of the data, -1 otherwise
// nitems can be NULL if you're just checking validity
virtual int dragCheckData(const wchar_t *type, int *nitems = NULL) { return 0; }
// fetches a specific pointer that was stored
virtual void *dragGetData(int slot, int itemnum) { return 0; }
virtual int dragCheckOption(int option) { return 0; }
};
class DI
{
public:
DI(ifc_window *rw);
int dragEnter(ifc_window *sourceWnd);
int dragOver(int x, int y, ifc_window *sourceWnd);
int dragSetSticky(ifc_window *wnd, int left, int right, int up, int down);
int dragLeave(ifc_window *sourceWnd);
int dragDrop(ifc_window *sourceWnd, int x, int y);
const wchar_t *dragGetSuggestedDropTitle(void);
int dragCheckData(const wchar_t *type, int *nitems = NULL);
void *dragGetData(int slot, int itemnum);
int dragCheckOption(int option);
private:
DragInterface *di;
};
#endif