x11_common.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 2,222 行 · 第 1/5 页

#include <mplaylib.h>
#include <mplaylib.h>
#include <math.h>
#include <inttypes.h>

#include "config.h"
#include "mp_msg.h"
#include "mp_fifo.h"
#include "x11_common.h"

#ifdef X11_FULLSCREEN

#include <mplaylib.h>
#include <mplaylib.h>
#include <signal.h>
#include <assert.h>

#include "video_out.h"
#include "aspect.h"
#include "geometry.h"
#include "help_mp.h"
#include "osdep/timer.h"

#include <X11/Xmd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>

#ifdef HAVE_XDPMS
#include <X11/extensions/dpms.h>
#endif

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

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

#ifdef HAVE_XF86XK
#include <X11/XF86keysym.h>
#endif

#ifdef HAVE_XV
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>

#include "subopt-helper.h"
#endif

#include "input/input.h"
#include "input/mouse.h"

#ifdef HAVE_NEW_GUI
#include "gui/interface.h"
#include "mplayer.h"
#endif

#define WIN_LAYER_ONBOTTOM               2
#define WIN_LAYER_NORMAL                 4
#define WIN_LAYER_ONTOP                  6
#define WIN_LAYER_ABOVE_DOCK             10

extern int enable_mouse_movements;
int fs_layer = WIN_LAYER_ABOVE_DOCK;
static int orig_layer = 0;
static int old_gravity = NorthWestGravity;

int stop_xscreensaver = 0;

static int dpms_disabled = 0;
static int timeout_save = 0;
static int kdescreensaver_was_running = 0;

char *mDisplayName = NULL;
Display *mDisplay = NULL;
Window mRootWin;
int mScreen;
int mLocalDisplay;

/* output window id */
int vo_mouse_autohide = 0;
int vo_wm_type = 0;
int vo_fs_type = 0; // needs to be accessible for GUI X11 code
static int vo_fs_flip = 0;
char **vo_fstype_list;

/* 1 means that the WM is metacity (broken as hell) */
int metacity_hack = 0;

static Atom XA_NET_SUPPORTED;
static Atom XA_NET_WM_STATE;
static Atom XA_NET_WM_STATE_FULLSCREEN;
static Atom XA_NET_WM_STATE_ABOVE;
static Atom XA_NET_WM_STATE_STAYS_ON_TOP;
static Atom XA_NET_WM_STATE_BELOW;
static Atom XA_NET_WM_PID;
static Atom XA_WIN_PROTOCOLS;
static Atom XA_WIN_LAYER;
static Atom XA_WIN_HINTS;
static Atom XA_BLACKBOX_PID;
static Atom XAWM_PROTOCOLS;
static Atom XAWM_DELETE_WINDOW;

#define XA_INIT(x) XA##x = XInternAtom(mDisplay, #x, False)

static int vo_old_x = 0;
static int vo_old_y = 0;
static int vo_old_width = 0;
static int vo_old_height = 0;

#ifdef HAVE_XF86VM
XF86VidModeModeInfo **vidmodes = NULL;
XF86VidModeModeLine modeline;
#endif

static int vo_x11_get_fs_type(int supported);


/*
 * Sends the EWMH fullscreen state event.
 *
 * action: could be one of _NET_WM_STATE_REMOVE -- remove state
 *                         _NET_WM_STATE_ADD    -- add state
 *                         _NET_WM_STATE_TOGGLE -- toggle
 */
void vo_x11_ewmh_fullscreen(int action)
{
    assert(action == _NET_WM_STATE_REMOVE ||
           action == _NET_WM_STATE_ADD || action == _NET_WM_STATE_TOGGLE);

    if (vo_fs_type & vo_wm_FULLSCREEN)
    {
        XEvent xev;

        /* init X event structure for _NET_WM_FULLSCREEN client message */
        xev.xclient.type = ClientMessage;
        xev.xclient.serial = 0;
        xev.xclient.send_event = True;
        xev.xclient.message_type = XInternAtom(mDisplay,
                                               "_NET_WM_STATE", False);
        xev.xclient.window = vo_window;
        xev.xclient.format = 32;
        xev.xclient.data.l[0] = action;
        xev.xclient.data.l[1] = XInternAtom(mDisplay,
                                            "_NET_WM_STATE_FULLSCREEN",
                                            False);
        xev.xclient.data.l[2] = 0;
        xev.xclient.data.l[3] = 0;
        xev.xclient.data.l[4] = 0;

        /* finally send that damn thing */
        if (!XSendEvent(mDisplay, DefaultRootWindow(mDisplay), False,
                        SubstructureRedirectMask | SubstructureNotifyMask,
                        &xev))
        {
            mp_msg(MSGT_VO, MSGL_ERR, MSGTR_EwmhFullscreenStateFailed);
        }
    }
}

void vo_hidecursor(Display * disp, Window win)
{
    Cursor no_ptr;
    Pixmap bm_no;
    XColor black, dummy;
    Colormap colormap;
    static char bm_no_data[] = { 0, 0, 0, 0, 0, 0, 0, 0 };

    if (WinID == 0)
        return;                 // do not hide if playing on the root window

    colormap = DefaultColormap(disp, DefaultScreen(disp));
    if ( !XAllocNamedColor(disp, colormap, "black", &black, &dummy) )
    {
      return; // color alloc failed, give up
    }
    bm_no = XCreateBitmapFromData(disp, win, bm_no_data, 8, 8);
    no_ptr = XCreatePixmapCursor(disp, bm_no, bm_no, &black, &black, 0, 0);
    XDefineCursor(disp, win, no_ptr);
    XFreeCursor(disp, no_ptr);
    if (bm_no != None)
        XFreePixmap(disp, bm_no);
    XFreeColors(disp,colormap,&black.pixel,1,0);
}

void vo_showcursor(Display * disp, Window win)
{
    if (WinID == 0)
        return;
    XDefineCursor(disp, win, 0);
}

static int x11_errorhandler(Display * display, XErrorEvent * event)
{
#define MSGLEN 60
    char msg[MSGLEN];

    XGetErrorText(display, event->error_code, (char *) &msg, MSGLEN);

    mp_msg(MSGT_VO, MSGL_ERR, "X11 error: %s\n", msg);

    mp_msg(MSGT_VO, MSGL_V,
           "Type: %x, display: %p, resourceid: %lx, serial: %lx\n",
           event->type, event->display, event->resourceid, event->serial);
    mp_msg(MSGT_VO, MSGL_V,
           "Error code: %x, request code: %x, minor code: %x\n",
           event->error_code, event->request_code, event->minor_code);

//    abort();
    //exit_player("X11 error");
    return 0;
#undef MSGLEN
}

void fstype_help(void)
{
    mp_msg(MSGT_VO, MSGL_INFO, MSGTR_AvailableFsType);
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_FULL_SCREEN_TYPES\n");

    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "none",
           "don't set fullscreen window layer");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "layer",
           "use _WIN_LAYER hint with default layer");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "layer=<0..15>",
           "use _WIN_LAYER hint with a given layer number");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "netwm",
           "force NETWM style");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "above",
           "use _NETWM_STATE_ABOVE hint if available");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "below",
           "use _NETWM_STATE_BELOW hint if available");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "fullscreen",
           "use _NETWM_STATE_FULLSCREEN hint if availale");
    mp_msg(MSGT_VO, MSGL_INFO, "    %-15s %s\n", "stays_on_top",
           "use _NETWM_STATE_STAYS_ON_TOP hint if available");
    mp_msg(MSGT_VO, MSGL_INFO,
           "You can also negate the settings with simply putting '-' in the beginning");
    mp_msg(MSGT_VO, MSGL_INFO, "\n");
}

static void fstype_dump(int fstype)
{
    if (fstype)
    {
        mp_msg(MSGT_VO, MSGL_V, "[x11] Current fstype setting honours");
        if (fstype & vo_wm_LAYER)
            mp_msg(MSGT_VO, MSGL_V, " LAYER");
        if (fstype & vo_wm_FULLSCREEN)
            mp_msg(MSGT_VO, MSGL_V, " FULLSCREEN");
        if (fstype & vo_wm_STAYS_ON_TOP)
            mp_msg(MSGT_VO, MSGL_V, " STAYS_ON_TOP");
        if (fstype & vo_wm_ABOVE)
            mp_msg(MSGT_VO, MSGL_V, " ABOVE");
        if (fstype & vo_wm_BELOW)
            mp_msg(MSGT_VO, MSGL_V, " BELOW");
        mp_msg(MSGT_VO, MSGL_V, " X atoms\n");
    } else
        mp_msg(MSGT_VO, MSGL_V,
               "[x11] Current fstype setting doesn't honour any X atoms\n");
}

static int net_wm_support_state_test(Atom atom)
{
#define NET_WM_STATE_TEST(x) { if (atom == XA_NET_WM_STATE_##x) { mp_msg( MSGT_VO,MSGL_V, "[x11] Detected wm supports " #x " state.\n" ); return vo_wm_##x; } }

    NET_WM_STATE_TEST(FULLSCREEN);
    NET_WM_STATE_TEST(ABOVE);
    NET_WM_STATE_TEST(STAYS_ON_TOP);
    NET_WM_STATE_TEST(BELOW);
    return 0;
}

static int x11_get_property(Atom type, Atom ** args, unsigned long *nitems)
{
    int format;
    unsigned long bytesafter;

    return (Success ==
            XGetWindowProperty(mDisplay, mRootWin, type, 0, 16384, False,
                               AnyPropertyType, &type, &format, nitems,
                               &bytesafter, (unsigned char **) args)
            && *nitems > 0);
}

static int vo_wm_detect(void)
{
    int i;
    int wm = 0;
    unsigned long nitems;
    Atom *args = NULL;

    if (WinID >= 0)
        return 0;

// -- supports layers
    if (x11_get_property(XA_WIN_PROTOCOLS, &args, &nitems))
    {
        mp_msg(MSGT_VO, MSGL_V, "[x11] Detected wm supports layers.\n");
        for (i = 0; i < nitems; i++)
        {
            if (args[i] == XA_WIN_LAYER)
            {
                wm |= vo_wm_LAYER;
                metacity_hack |= 1;
            } else
                /* metacity is the only window manager I know which reports
                 * supporting only the _WIN_LAYER hint in _WIN_PROTOCOLS.
                 * (what's more support for it is broken) */
                metacity_hack |= 2;
        }
        XFree(args);
        if (wm && (metacity_hack == 1))
        {
            // metacity claims to support layers, but it is not the truth :-)
            wm ^= vo_wm_LAYER;
            mp_msg(MSGT_VO, MSGL_V,
                   "[x11] Using workaround for Metacity bugs.\n");
        }
    }
// --- netwm 
    if (x11_get_property(XA_NET_SUPPORTED, &args, &nitems))
    {
        mp_msg(MSGT_VO, MSGL_V, "[x11] Detected wm supports NetWM.\n");
        for (i = 0; i < nitems; i++)
            wm |= net_wm_support_state_test(args[i]);
        XFree(args);
#if 0
        // ugly hack for broken OpenBox _NET_WM_STATE_FULLSCREEN support
        // (in their implementation it only changes internal window state, nothing more!!!)
        if (wm & vo_wm_FULLSCREEN)
        {
            if (x11_get_property(XA_BLACKBOX_PID, &args, &nitems))
            {
                mp_msg(MSGT_VO, MSGL_V,
                       "[x11] Detected wm is a broken OpenBox.\n");
                wm ^= vo_wm_FULLSCREEN;
            }
            XFree(args);
        }
#endif
    }

    if (wm == 0)
        mp_msg(MSGT_VO, MSGL_V, "[x11] Unknown wm type...\n");
    return wm;
}

static void init_atoms(void)
{
    XA_INIT(_NET_SUPPORTED);
    XA_INIT(_NET_WM_STATE);
    XA_INIT(_NET_WM_STATE_FULLSCREEN);
    XA_INIT(_NET_WM_STATE_ABOVE);
    XA_INIT(_NET_WM_STATE_STAYS_ON_TOP);
    XA_INIT(_NET_WM_STATE_BELOW);
    XA_INIT(_NET_WM_PID);
    XA_INIT(_WIN_PROTOCOLS);
    XA_INIT(_WIN_LAYER);
    XA_INIT(_WIN_HINTS);
    XA_INIT(_BLACKBOX_PID);
    XA_INIT(WM_PROTOCOLS);
    XA_INIT(WM_DELETE_WINDOW);
}

void update_xinerama_info(void) {
    int screen = xinerama_screen;
    xinerama_x = xinerama_y = 0;
#ifdef HAVE_XINERAMA
    if (screen >= -1 && XineramaIsActive(mDisplay))
    {
        XineramaScreenInfo *screens;
        int num_screens;

        screens = XineramaQueryScreens(mDisplay, &num_screens);
        if (screen >= num_screens)
            screen = num_screens - 1;
        if (screen == -1) {
            int x = vo_dx + vo_dwidth / 2;
            int y = vo_dy + vo_dheight / 2;
            for (screen = num_screens - 1; screen > 0; screen--) {
               int left = screens[screen].x_org;
               int right = left + screens[screen].width;
               int top = screens[screen].y_org;
               int bottom = top + screens[screen].height;
               if (left <= x && x <= right && top <= y && y <= bottom)
                   break;
            }
        }
        if (screen < 0)
            screen = 0;
        vo_screenwidth = screens[screen].width;
        vo_screenheight = screens[screen].height;
        xinerama_x = screens[screen].x_org;
        xinerama_y = screens[screen].y_org;

        XFree(screens);
    }
#endif
    aspect_save_screenres(vo_screenwidth, vo_screenheight);
}

int vo_init(void)
{
// int       mScreen;
    int depth, bpp;
    unsigned int mask;

// char    * DisplayName = ":0.0";
// Display * mDisplay;
    XImage *mXImage = NULL;

// Window    mRootWin;
    XWindowAttributes attribs;
    char *dispName;
	
	if (vo_rootwin)
		WinID = 0; // use root window

    if (vo_depthonscreen)
    {
        saver_off(mDisplay);
        return 1;               // already called
    }

    XSetErrorHandler(x11_errorhandler);

#if 0
    if (!mDisplayName)
        if (!(mDisplayName = getenv("DISPLAY")))
            mDisplayName = strdup(":0.0");
#else
    dispName = XDisplayName(mDisplayName);
#endif

    mp_msg(MSGT_VO, MSGL_V, "X11 opening display: %s\n", dispName);

    mDisplay = XOpenDisplay(dispName);
    if (!mDisplay)
    {
        mp_msg(MSGT_VO, MSGL_ERR,
               "vo: couldn't open the X11 display (%s)!\n", dispName);
        return 0;