xserver-multidpi/hw/kdrive/ephyr/hostx.h

/*
 * Xephyr - A kdrive X server thats runs in a host X window.
 *          Authored by Matthew Allum <mallum@o-hand.com>
 * 
 * Copyright <EFBFBD> 2004 Nokia 
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Nokia not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission. Nokia makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * NOKIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _XLIBS_STUFF_H_
#define _XLIBS_STUFF_H_

#include <X11/X.h>
#include <X11/Xmd.h>

#define EPHYR_WANT_DEBUG 0

#if (EPHYR_WANT_DEBUG)
#define EPHYR_DBG(x, a...) \
 fprintf(stderr, __FILE__ ":%d,%s() " x "\n", __LINE__, __func__, ##a)
#else
#define EPHYR_DBG(x, a...) do {} while (0) 
#endif

typedef struct EphyrHostXVars  EphyrHostXVars;
typedef struct EphyrHostXEvent EphyrHostXEvent;
typedef void* EphyrScreenInfo ;
typedef enum EphyrHostXEventType
{
  EPHYR_EV_MOUSE_MOTION,
  EPHYR_EV_MOUSE_PRESS,
  EPHYR_EV_MOUSE_RELEASE,
  EPHYR_EV_KEY_PRESS,
  EPHYR_EV_KEY_RELEASE,
  EPHYR_EV_EXPOSE
} 
EphyrHostXEventType;

/* I can't believe it's not a KeySymsRec. */
typedef struct {
  int             minKeyCode;
  int             maxKeyCode;
  int             mapWidth;
  CARD32         *map;
} EphyrKeySyms;

struct EphyrHostXEvent
{
  EphyrHostXEventType type;

  union 
  {
    struct mouse_motion { 	
      int x;
      int y;
      int screen;
      int window;
    } mouse_motion;

    struct mouse_down { 	
      int button_num;
    } mouse_down;

    struct mouse_up {
      int button_num;
    } mouse_up;

    struct key_up {
      int scancode;
    } key_up;

    struct key_down {
      int scancode;
    } key_down;

    struct expose {
      int window;
    } expose;

  } data;

  int key_state;
};

typedef struct {
  VisualID visualid;
  int screen;
  int depth;
  int class;
  unsigned long red_mask;
  unsigned long green_mask;
  unsigned long blue_mask;
  int colormap_size;
  int bits_per_rgb;
} EphyrHostVisualInfo;

typedef struct {
    int x, y;
    int width, height ;
    int visualid ;
} EphyrHostWindowAttributes;

typedef struct {
    int x,y,width,height;
} EphyrBox;

typedef struct {
    short x1,y1,x2,y2;
} EphyrRect;

int
hostx_want_screen_size(EphyrScreenInfo screen, int *width, int *height);

int
hostx_want_host_cursor(void);

void
hostx_use_host_cursor(void);

void
hostx_use_fullscreen(void);

int
hostx_want_fullscreen(void);

int
hostx_want_preexisting_window(EphyrScreenInfo screen);

void
hostx_use_preexisting_window(unsigned long win_id);

void 
hostx_handle_signal(int signum);

int
hostx_init(void);

void
hostx_add_screen(EphyrScreenInfo screen, unsigned long win_id, int screen_num);

void
hostx_set_display_name(char *name);

void
hostx_set_screen_number(EphyrScreenInfo screen, int number);

void
hostx_set_win_title(EphyrScreenInfo screen, char *extra_text);

int
hostx_get_depth (void);

int
hostx_get_server_depth (EphyrScreenInfo screen);

void
hostx_set_server_depth(EphyrScreenInfo screen, int depth);

int
hostx_get_bpp(void *info);

void
hostx_get_visual_masks (void   *info,
			CARD32 *rmsk, 
			CARD32 *gmsk, 
			CARD32 *bmsk);
void
hostx_set_cmap_entry(unsigned char idx, 
		     unsigned char r, 
		     unsigned char g, 
		     unsigned char b);

void*
hostx_screen_init (EphyrScreenInfo screen,
                   int width, int height,
                   int buffer_height);

void
hostx_paint_rect(EphyrScreenInfo screen,
		 int sx,    int sy,
		 int dx,    int dy,
		 int width, int height);


void
hostx_load_keymap (void);

int
hostx_get_event (EphyrHostXEvent *ev);

void*
hostx_get_display (void) ;

int
hostx_get_window (int a_screen_number) ;

int
hostx_get_window_attributes (int a_window, EphyrHostWindowAttributes *a_attr)  ;

int
hostx_get_extension_info (const char *a_ext_name,
                          int *a_major_opcode,
                          int *a_first_even,
                          int *a_first_error) ;
int
hostx_get_visuals_info (EphyrHostVisualInfo **a_visuals,
                        int *a_num_entries) ;

int hostx_create_window (int a_screen_number,
                         EphyrBox *a_geometry,
                         int a_visual_id,
                         int *a_host_win /*out parameter*/) ;

int hostx_destroy_window (int a_win) ;

int hostx_set_window_geometry (int a_win, EphyrBox *a_geo) ;


int hostx_set_window_bounding_rectangles (int a_window,
                                          EphyrRect *a_rects,
                                          int a_num_rects) ;

int hostx_set_window_clipping_rectangles (int a_window,
                                          EphyrRect *a_rects,
                                          int a_num_rects) ;
int hostx_has_xshape (void) ;

#ifdef XEPHYR_DRI
int hostx_lookup_peer_window (void *a_local_window,
                              int *a_host_peer /*out parameter*/) ;
int
hostx_allocate_resource_id_peer (int a_local_resource_id,
                                 int *a_remote_resource_id) ;
int
hostx_get_resource_id_peer (int a_local_resource_id,
                            int *a_remote_resource_id) ;
int hostx_has_dri (void) ;

int hostx_has_glx (void) ;
#endif /*XEPHYR_DRI*/

#endif /*_XLIBS_STUFF_H_*/