76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
|
#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
|