mirror of
https://github.com/MidnightCommander/mc
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33d25a0c8f
Now each widget gets absolute coordinates of mouse pointer and decides itself how to handle them. Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
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/** \file mouse.h
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* \brief Header: mouse managing
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*
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* Events received by clients of this library have their coordinates 0 based
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*/
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#ifndef MC__MOUSE_H
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#define MC__MOUSE_H
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#ifdef HAVE_LIBGPM
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/* GPM mouse support include file */
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#include <gpm.h>
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#endif /* !HAVE_LIBGPM */
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/*** typedefs(not structures) and defined constants **********************************************/
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#ifndef HAVE_LIBGPM
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/* Equivalent definitions for non-GPM mouse support */
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/* These lines are modified version from the lines appearing in the */
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/* gpm.h include file of the Linux General Purpose Mouse server */
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#define GPM_B_LEFT (1 << 2)
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#define GPM_B_MIDDLE (1 << 1)
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#define GPM_B_RIGHT (1 << 0)
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#define GPM_BARE_EVENTS(ev) ((ev)&0xF)
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#endif /* !HAVE_LIBGPM */
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/* Mouse wheel events */
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#ifndef GPM_B_DOWN
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#define GPM_B_DOWN (1 << 5)
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#endif
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#ifndef GPM_B_UP
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#define GPM_B_UP (1 << 4)
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#endif
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/*** enums ***************************************************************************************/
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#ifndef HAVE_LIBGPM
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/* Xterm mouse support supports only GPM_DOWN and GPM_UP */
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/* If you use others make sure your code also works without them */
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enum Gpm_Etype
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{
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GPM_MOVE = 1,
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GPM_DRAG = 2, /* exactly one in four is active at a time */
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GPM_DOWN = 4,
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GPM_UP = 8,
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GPM_SINGLE = 16, /* at most one in three is set */
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GPM_DOUBLE = 32,
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GPM_TRIPLE = 64,
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GPM_MFLAG = 128, /* motion during click? */
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GPM_HARD = 256 /* if set in the defaultMask, force an already
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used event to pass over to another handler */
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};
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#endif /* !HAVE_LIBGPM */
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/* Constants returned from the mouse callback */
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enum
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{
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MOU_UNHANDLED = 0,
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MOU_NORMAL,
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MOU_REPEAT
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};
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/* Type of mouse support */
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typedef enum
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{
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MOUSE_NONE, /* Not detected yet */
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MOUSE_DISABLED, /* Explicitly disabled by -d */
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MOUSE_GPM, /* Support using GPM on Linux */
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MOUSE_XTERM, /* Support using xterm-style mouse reporting */
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MOUSE_XTERM_NORMAL_TRACKING = MOUSE_XTERM,
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MOUSE_XTERM_BUTTON_EVENT_TRACKING
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} Mouse_Type;
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/*** structures declarations (and typedefs of structures)*****************************************/
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#ifndef HAVE_LIBGPM
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typedef struct Gpm_Event
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{
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int buttons, x, y;
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enum Gpm_Etype type;
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} Gpm_Event;
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#endif /* !HAVE_LIBGPM */
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/* Mouse callback */
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typedef int (*mouse_h) (Gpm_Event *, void *);
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/*** global variables defined in .c file *********************************************************/
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/* Type of the currently used mouse */
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extern Mouse_Type use_mouse_p;
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/* String indicating that a mouse event has occured, usually "\E[M" */
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extern const char *xmouse_seq;
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/*** declarations of public functions ************************************************************/
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/* General (i.e. both for xterm and gpm) mouse support definitions */
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void init_mouse (void);
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void enable_mouse (void);
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void disable_mouse (void);
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void show_mouse_pointer (int x, int y);
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/*** inline functions ****************************************************************************/
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#endif /* MC_MOUSE_H */
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