ws.c

uclinux下mplayer的源码

// --------------------------------------------------------------------------
//  AutoSpace Window System for Linux/Win32 v0.85
//   Writed by pontscho/fresh!mindworkz
// --------------------------------------------------------------------------

#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>

#include <inttypes.h>

#include "../config.h"
#include "../libvo/x11_common.h"
#include "../libvo/video_out.h"
#include "ws.h"
#include "wsxdnd.h"
#include "../cpudetect.h"
#include "../libswscale/swscale.h"
#include "../libswscale/rgb2rgb.h"
#include "../libmpcodecs/vf_scale.h"
#include "../mp_msg.h"
#include "../help_mp.h"
#include "../mplayer.h"
#include "../mpbswap.h"

#include <X11/extensions/XShm.h>
#ifdef HAVE_XSHAPE
#include <X11/extensions/shape.h>
#endif

#ifdef HAVE_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif

#ifdef HAVE_XF86VM
#include <X11/extensions/xf86vmode.h>
#endif

#include <sys/ipc.h>
#include <sys/shm.h>

#undef ENABLE_DPMS 

typedef struct
{
 unsigned long flags;
 unsigned long functions;
 unsigned long decorations;
 long input_mode;
 unsigned long status;
} MotifWmHints;

Atom                 wsMotifHints;

int                  wsMaxX         = 0; // Screen width.
int                  wsMaxY         = 0; // Screen height.
int                  wsOrgX         = 0; // Screen origin x.
int                  wsOrgY         = 0; // Screen origin y.

Display            * wsDisplay;
int                  wsScreen;
Window               wsRootWin;
XEvent               wsEvent;
int                  wsWindowDepth;
GC                   wsHGC;
MotifWmHints         wsMotifWmHints;
Atom                 wsTextProperlyAtom = None;
int		     wsLayer = 0;

int                  wsDepthOnScreen = 0;
int                  wsRedMask = 0;
int                  wsGreenMask = 0;
int                  wsBlueMask = 0;
int                  wsOutMask = 0;
int                  wsNonNativeOrder = 0;

int                  wsTrue    = True;

#define	wsWLCount 5
wsTWindow          * wsWindowList[wsWLCount] = { NULL,NULL,NULL,NULL,NULL };

unsigned long        wsKeyTable[512];

int                  wsUseXShm = 1;
int                  wsUseXShape = 1;

inline int wsSearch( Window win );

// ---

#define PACK_RGB16(r,g,b,pixel) pixel=(b>>3);\
                                pixel<<=6;\
                                pixel|=(g>>2);\
                                pixel<<=5;\
                                pixel|=(r>>3)

#define PACK_RGB15(r,g,b,pixel) pixel=(b>>3);\
                                pixel<<=5;\
                                pixel|=(g>>3);\
                                pixel<<=5;\
	                        pixel|=(r>>3)

typedef void(*wsTConvFunc)( const unsigned char * in_pixels, unsigned char * out_pixels, unsigned num_pixels );
wsTConvFunc wsConvFunc = NULL;
										
void rgb32torgb32( const unsigned char * src, unsigned char * dst,unsigned int src_size )																					
{ memcpy( dst,src,src_size ); }

// ---

#define MWM_HINTS_FUNCTIONS     (1L << 0)
#define MWM_HINTS_DECORATIONS   (1L << 1)
#define MWM_HINTS_INPUT_MODE    (1L << 2)
#define MWM_HINTS_STATUS        (1L << 3)

#define MWM_FUNC_ALL            (1L << 0)
#define MWM_FUNC_RESIZE         (1L << 1)
#define MWM_FUNC_MOVE           (1L << 2)
#define MWM_FUNC_MINIMIZE       (1L << 3)
#define MWM_FUNC_MAXIMIZE       (1L << 4)
#define MWM_FUNC_CLOSE          (1L << 5)

#define MWM_DECOR_ALL           (1L << 0)
#define MWM_DECOR_BORDER        (1L << 1)
#define MWM_DECOR_RESIZEH       (1L << 2)
#define MWM_DECOR_TITLE         (1L << 3)
#define MWM_DECOR_MENU          (1L << 4)
#define MWM_DECOR_MINIMIZE      (1L << 5)
#define MWM_DECOR_MAXIMIZE      (1L << 6)

#define MWM_INPUT_MODELESS 0
#define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
#define MWM_INPUT_SYSTEM_MODAL 2
#define MWM_INPUT_FULL_APPLICATION_MODAL 3
#define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL

#define MWM_TEAROFF_WINDOW      (1L<<0)

void wsWindowDecoration( wsTWindow * win,long d )
{
 wsMotifHints=XInternAtom( wsDisplay,"_MOTIF_WM_HINTS",0 );
 if ( wsMotifHints == None ) return;

 memset( &wsMotifWmHints,0,sizeof( MotifWmHints ) );
 wsMotifWmHints.flags=MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS; 
 if ( d )
  {
   wsMotifWmHints.functions=MWM_FUNC_MOVE | MWM_FUNC_CLOSE | MWM_FUNC_MINIMIZE | MWM_FUNC_MAXIMIZE | MWM_FUNC_RESIZE;
   wsMotifWmHints.decorations=MWM_DECOR_ALL;
  }
 XChangeProperty( wsDisplay,win->WindowID,wsMotifHints,wsMotifHints,32,
                  PropModeReplace,(unsigned char *)&wsMotifWmHints,5 );
}

// ----------------------------------------------------------------------------------------------
//   Init X Window System.
// ----------------------------------------------------------------------------------------------

int wsIOErrorHandler( Display * dpy )
{
 fprintf( stderr,"[ws] IO error in display.\n" );
 exit( 0 );
}

int wsErrorHandler( Display * dpy,XErrorEvent * Event )
{
 char type[128];
 XGetErrorText( wsDisplay,Event->error_code,type,128 );
 fprintf(stderr,"[ws] Error in display.\n");
 fprintf(stderr,"[ws]  Error code: %d ( %s )\n",Event->error_code,type );
 fprintf(stderr,"[ws]  Request code: %d\n",Event->request_code );
 fprintf(stderr,"[ws]  Minor code: %d\n",Event->minor_code );
 fprintf(stderr,"[ws]  Modules: %s\n",current_module?current_module:"(NULL)" );
 exit( 0 );
}

void wsXInit( void* mDisplay )
{
 int    eventbase;
 int    errorbase;

if(mDisplay){
 wsDisplay=mDisplay;
} else {
 char * DisplayName = ":0.0";
 if ( getenv( "DISPLAY" ) ) DisplayName=getenv( "DISPLAY" );
 wsDisplay=XOpenDisplay( DisplayName );
 if ( !wsDisplay )
  {
   mp_msg( MSGT_GPLAYER,MSGL_FATAL,MSGTR_WS_CouldNotOpenDisplay );
   exit( 0 );
  }
}

/* enable DND atoms */
wsXDNDInitialize();
 
{ /* on remote display XShm will be disabled - LGB */
 char *dispname=DisplayString(wsDisplay);
 int localdisp=1;
 if (dispname&&*dispname!=':') {
    localdisp=0;
    wsUseXShm=0;
 }
 mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[ws] display name: %s => %s display.\n",dispname,localdisp?"local":"REMOTE");
 if (!localdisp) mp_msg( MSGT_GPLAYER,MSGL_V,MSGTR_WS_RemoteDisplay );
}

 if ( !XShmQueryExtension( wsDisplay ) )
  {
   mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_WS_NoXshm );
   wsUseXShm=0;
  }
#ifdef HAVE_XSHAPE
  if ( !XShapeQueryExtension( wsDisplay,&eventbase,&errorbase ) )
   {
    mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_WS_NoXshape );
    wsUseXShape=0;
   }
#else
  wsUseXShape=0;
#endif

 XSynchronize( wsDisplay,True );

 wsScreen=DefaultScreen( wsDisplay );
 wsRootWin=RootWindow( wsDisplay,wsScreen );
#ifdef HAVE_XF86VM
    {
      int clock;
      XF86VidModeModeLine modeline;

      XF86VidModeGetModeLine( wsDisplay,wsScreen,&clock ,&modeline );
      wsMaxX=modeline.hdisplay;
      wsMaxY=modeline.vdisplay;
    }
#endif
 {
 wsOrgX = wsOrgY = 0;
 if ( !wsMaxX )
 wsMaxX=DisplayWidth( wsDisplay,wsScreen );
 if ( !wsMaxY )
 wsMaxY=DisplayHeight( wsDisplay,wsScreen );
 }
  vo_screenwidth = wsMaxX; vo_screenheight = wsMaxY;
  xinerama_x = wsOrgX; xinerama_y = wsOrgY;
  update_xinerama_info();
  wsMaxX = vo_screenwidth; wsMaxY = vo_screenheight;
  wsOrgX = xinerama_x; wsOrgY = xinerama_y;

 wsGetDepthOnScreen();
#ifdef DEBUG
  {
   int minor,major,shp;
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws] Screen depth: %d\n",wsDepthOnScreen );
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws]  size: %dx%d\n",wsMaxX,wsMaxY );
#ifdef HAVE_XINERAMA
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws]  origin: +%d+%d\n",wsOrgX,wsOrgY );
#endif
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws]  red mask: 0x%x\n",wsRedMask );
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws]  green mask: 0x%x\n",wsGreenMask );
   mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws]  blue mask: 0x%x\n",wsBlueMask );
   if ( wsUseXShm )
    {
     XShmQueryVersion( wsDisplay,&major,&minor,&shp );
     mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws] XShm version is %d.%d\n",major,minor );
    }
   #ifdef HAVE_XSHAPE
    if ( wsUseXShape )
     {
      XShapeQueryVersion( wsDisplay,&major,&minor );
      mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[ws] XShape version is %d.%d\n",major,minor );
     }
   #endif
  }
#endif
 wsOutMask=wsGetOutMask();
 mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[ws] Initialized converter: " );
 sws_rgb2rgb_init(get_sws_cpuflags());
 switch ( wsOutMask )
  {
   case wsRGB32:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to rgb32\n" );
     wsConvFunc=rgb32torgb32;
     break;
   case wsBGR32:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to bgr32\n" );
     wsConvFunc=rgb32tobgr32;
     break;
   case wsRGB24:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to rgb24\n" );
     wsConvFunc=rgb32to24;
     break;
   case wsBGR24:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to bgr24\n" );
     wsConvFunc=rgb32tobgr24;
     break;
   case wsRGB16:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to rgb16\n" );
     wsConvFunc=rgb32to16;
     break;
   case wsBGR16:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to bgr16\n" );
     wsConvFunc=rgb32tobgr16;
     break;
   case wsRGB15:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to rgb15\n" );
     wsConvFunc=rgb32to15;
     break;
   case wsBGR15:
     mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"rgb32 to bgr15\n" );
     wsConvFunc=rgb32tobgr15;
     break;
  }
 XSetErrorHandler( wsErrorHandler );
}

// ----------------------------------------------------------------------------------------------
//   Create window.
//     X,Y   : window position
//     wX,wY : size of window
//     bW    : border width
//     cV    : visible mouse cursor on window
//     D     : visible frame, title, etc.
//     sR    : screen ratio
// ----------------------------------------------------------------------------------------------

XClassHint           wsClassHint;
XTextProperty        wsTextProperty;
Window               LeaderWindow;

void wsCreateWindow( wsTWindow * win,int X,int Y,int wX,int hY,int bW,int cV,unsigned char D,char * label )
{
 int depth;

 win->Property=D;
 if ( D & wsShowFrame ) win->Decorations=1;
 wsHGC=DefaultGC( wsDisplay,wsScreen );
// The window position and size.
 switch ( X )
  {
   case -1: win->X=( wsMaxX / 2 ) - ( wX / 2 ) + wsOrgX; break;
   case -2: win->X=wsMaxX - wX - 1 + wsOrgX; break;
   default: win->X=X; break;
  }
 switch ( Y )
  {
   case -1: win->Y=( wsMaxY / 2 ) - ( hY / 2 ) + wsOrgY; break;
   case -2: win->Y=wsMaxY - hY - 1 + wsOrgY; break;
   default: win->Y=Y; break;
  }
 win->Width=wX;
 win->Height=hY;
 win->OldX=win->X;
 win->OldY=win->Y;
 win->OldWidth=win->Width;
 win->OldHeight=win->Height;

// Border size for window.
 win->BorderWidth=bW;
// Hide Mouse Cursor
 win->wsCursor=None;
 win->wsMouseEventType=cV;
 win->wsCursorData[0]=0;
 win->wsCursorPixmap=XCreateBitmapFromData( wsDisplay,wsRootWin,win->wsCursorData,1,1 );
 if ( !(cV & wsShowMouseCursor) ) win->wsCursor=XCreatePixmapCursor( wsDisplay,win->wsCursorPixmap,win->wsCursorPixmap,&win->wsColor,&win->wsColor,0,0 );

 depth = vo_find_depth_from_visuals( wsDisplay,wsScreen,NULL );
 if ( depth < 15 )
  {
   mp_msg( MSGT_GPLAYER,MSGL_FATAL,MSGTR_WS_ColorDepthTooLow );
   exit( 0 );
  }
 XMatchVisualInfo( wsDisplay,wsScreen,depth,TrueColor,&win->VisualInfo );

// ---
 win->AtomLeaderClient=XInternAtom( wsDisplay,"WM_CLIENT_LEADER",False );
 win->AtomDeleteWindow=XInternAtom( wsDisplay,"WM_DELETE_WINDOW",False );
 win->AtomTakeFocus=XInternAtom( wsDisplay,"WM_TAKE_FOCUS",False );
 win->AtomRolle=XInternAtom( wsDisplay,"WM_WINDOW_ROLE",False );
 win->AtomWMSizeHint=XInternAtom( wsDisplay,"WM_SIZE_HINT",False );
 win->AtomWMNormalHint=XInternAtom( wsDisplay,"WM_NORMAL_HINT",False );
 win->AtomProtocols=XInternAtom( wsDisplay,"WM_PROTOCOLS",False );
 win->AtomsProtocols[0]=win->AtomDeleteWindow;
 win->AtomsProtocols[1]=win->AtomTakeFocus;
 win->AtomsProtocols[2]=win->AtomRolle;
// ---

 win->WindowAttrib.background_pixel=BlackPixel( wsDisplay,wsScreen );
 win->WindowAttrib.border_pixel=WhitePixel( wsDisplay,wsScreen );
 win->WindowAttrib.colormap=XCreateColormap( wsDisplay,wsRootWin,win->VisualInfo.visual,AllocNone );
 win->WindowAttrib.event_mask=StructureNotifyMask | FocusChangeMask |
                              ExposureMask | PropertyChangeMask |
                              EnterWindowMask | LeaveWindowMask |
                              VisibilityChangeMask |
                              KeyPressMask | KeyReleaseMask;
 if ( ( cV & wsHandleMouseButton ) ) win->WindowAttrib.event_mask|=ButtonPressMask | ButtonReleaseMask;
 if ( ( cV & wsHandleMouseMove ) ) win->WindowAttrib.event_mask|=PointerMotionMask;
 win->WindowAttrib.cursor=win->wsCursor;
 win->WindowAttrib.override_redirect=False;
 if ( D & wsOverredirect ) win->WindowAttrib.override_redirect=True;

 win->WindowMask=CWBackPixel | CWBorderPixel |
                 CWColormap | CWEventMask | CWCursor |
                 CWOverrideRedirect;

 win->WindowID=XCreateWindow( wsDisplay,
  (win->Parent != 0?win->Parent:wsRootWin),
  win->X,win->Y,win->Width,win->Height,win->BorderWidth,
  win->VisualInfo.depth,
  InputOutput,
  win->VisualInfo.visual,
  win->WindowMask,&win->WindowAttrib );

 wsClassHint.res_name="MPlayer";

 wsClassHint.res_class="MPlayer";
 XSetClassHint( wsDisplay,win->WindowID,&wsClassHint );

 win->SizeHint.flags=PPosition | PSize | PResizeInc | PWinGravity;// | PBaseSize;
 win->SizeHint.x=win->X;
 win->SizeHint.y=win->Y;
 win->SizeHint.width=win->Width;
 win->SizeHint.height=win->Height;