jehanne/sys/include/mouse.h

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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#pragma src "/sys/src/libdraw"
typedef struct Channel Channel;
typedef struct Cursor Cursor;
typedef struct Menu Menu;
typedef struct Mousectl Mousectl;
struct Mouse
{
int buttons; /* bit array: LMR=124 */
Point xy;
uint32_t msec;
};
struct Mousectl
{
Mouse;
Channel *c; /* chan(Mouse) */
Channel *resizec; /* chan(int)[2] */
/* buffered in case client is waiting for a mouse action before handling resize */
char *file;
int mfd; /* to mouse file */
int cfd; /* to cursor file */
int pid; /* of slave proc */
Image* image; /* of associated window/display */
};
struct Menu
{
char **item;
char *(*gen)(int);
int lasthit;
};
/*
* Mouse
*/
extern Mousectl* initmouse(char*, Image*);
extern void moveto(Mousectl*, Point);
extern int readmouse(Mousectl*);
extern void closemouse(Mousectl*);
extern void setcursor(Mousectl*, Cursor*);
extern void drawgetrect(Rectangle, int);
extern Rectangle getrect(int, Mousectl*);
extern int menuhit(int, Mousectl*, Menu*, Screen*);