/*
 * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.awt.X11;

import java.security.AccessController;

import jdk.internal.misc.Unsafe;
import sun.security.action.GetPropertyAction;

final class XlibWrapper {

    static Unsafe unsafe = Unsafe.getUnsafe();
    // strange constants
    static final int MAXSIZE = 32767;
    static final int MINSIZE = 1;

    // define a private constructor here to prevent this class and all
    // its descendants from being created
    private XlibWrapper()
    {
    }

/*
   Display *XOpenDisplay(display_name)
   char *display_name;

*/
    static final String[] eventToString =
    {"<none:0>", "<none:1>", "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease",
     "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut",
     "KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify",
     "CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",
     "ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify",
     "ResizeRequest", "CirculateNotify", "CirculateRequest", "PropertyNotify",
     "SelectionClear", "SelectionRequest", "SelectionNotify", "ColormapNotify",
     "ClientMessage", "MappingNotify", "LASTEvent"};

    static native void XFree(long ptr);
    static native void memcpy(long dest_ptr, long src_ptr, long length);
    static native long getAddress(Object o);
    static native void copyIntArray(long dest_ptr, Object array, int size_bytes);
    static native void copyLongArray(long dest_ptr, Object array, int size_bytes);

    
Gets byte string from str_ptr and copies it into byte array String should be NULL terminated.
/** * Gets byte string from str_ptr and copies it into byte array * String should be NULL terminated. */
static native byte[] getStringBytes(long str_ptr); static native long XOpenDisplay(long display); static native void XCloseDisplay(long display); static native long XDisplayString(long display); static native void XSetCloseDownMode(long display, int close_mode); static native long DefaultScreen(long display); static native long ScreenOfDisplay(long display, long screen_number); static native int DoesBackingStore(long screen); static native long DisplayWidth(long display, long screen); static native long DisplayWidthMM(long display, long screen); static native long DisplayHeight(long display, long screen); static native long DisplayHeightMM(long display, long screen); static native long RootWindow(long display, long screen_number); static native int ScreenCount(long display); /* Window XCreateWindow(display, parent, x, y, width, height, border_width, depth, class, visual, valuemask, attributes) Display *display; Window parent; int x, y; unsigned int width, height; unsigned int border_width; int depth; unsigned int class; Visual *visual unsigned long valuemask; XSetWindowAttributes *attributes; */ static native long XCreateWindow(long display, long parent, int x,int y, int width, int height, int border_width, int depth, long wclass, long visual, long valuemask, long attributes); static native void XDestroyWindow(long display, long window); static native int XGrabPointer(long display, long grab_window, int owner_events, int event_mask, int pointer_mode, int keyboard_mode, long confine_to, long cursor, long time); static native void XUngrabPointer(long display, long time); static native int XGrabKeyboard(long display, long grab_window, int owner_events, int pointer_mode, int keyboard_mode, long time); static native void XUngrabKeyboard(long display, long time); static native void XGrabServer(long display); static native void XUngrabServer(long display); /* void XSetWMProperties(display, w, window_name, icon_name, argv, argc, normal_hints, wm_hints, class_hints) Display *display; Window w; XTextProperty *window_name; XTextProperty *icon_name; char **argv; int argc; XSizeHints *normal_hints; XWMHints *wm_hints; XClassHint *class_hints; */ /* XMapWindow(display, w) Display *display; Window w; */ static native void XMapWindow(long display, long window); static native void XMapRaised(long display, long window); static native void XRaiseWindow(long display, long window); static native void XLowerWindow(long display, long window); static native void XRestackWindows(long display, long windows, int length); static native void XConfigureWindow(long display, long window, long value_mask, long values); static native void XSetInputFocus(long display, long window); static native void XSetInputFocus2(long display, long window, long time); static native long XGetInputFocus(long display); /* XUnmapWindow(display, w) Display *display; Window w; */ static native void XUnmapWindow(long display, long window); /* XSelectInput(display, w, event_mask) Display *display; Window w; long event_mask; */ static native void XSelectInput(long display, long window, long event_mask); /* XNextEvent(display, event_return) Display *display; XEvent *event_return; */ static native void XNextEvent(long display,long ptr); /* XMaskEvent(display, event_mask, event_return) Display *display; long event_mask; XEvent *event_return; */ static native void XMaskEvent(long display, long event_mask, long event_return); static native void XWindowEvent(long display, long window, long event_mask, long event_return); /* Bool XFilterEvent(event, w) XEvent *event; Window w; */ static native boolean XFilterEvent(long ptr, long window); /* Bool XSupportsLocale() */ static native boolean XSupportsLocale(); /* char *XSetLocaleModifiers(modifier_list) char *modifier_list; */ static native String XSetLocaleModifiers(String modifier_list); static native int XTranslateCoordinates( long display, long src_w, long dest_w, long src_x, long src_y, long dest_x_return, long dest_y_return, long child_return); /* XPeekEvent(display, event_return) Display *display; XEvent *event_return; */ static native void XPeekEvent(long display,long ptr); /* XFlush(display) Display *display; */ static native void XFlush(long display); /* XSync(display, discard) Display *display; Bool discard; */ static native void XSync(long display,int discard); /* XMoveResizeWindow(display, w, x, y, width, height) Display *display; Window w; int x, y; unsigned int width, height; */ static native void XMoveResizeWindow(long display, long window, int x, int y, int width, int height); static native void XResizeWindow(long display, long window, int width, int height); static native void XMoveWindow(long display, long window, int x, int y); /* Bool XQueryPointer(display, w, root_return, child_return, root_x_return, root_y_return, win_x_return, win_y_return, mask_return) Display *display; Window w; Window *root_return, *child_return; int *root_x_return, *root_y_return; int *win_x_return, *win_y_return; unsigned int *mask_return; */ static native boolean XQueryPointer (long display, long window, long root_return, long child_return, long root_x_return, long root_y_return, long win_x_return, long win_y_return, long mask_return); /* XFreeCursor(display, cursor) Display *display; Cursor cursor; */ static native void XFreeCursor(long display, long cursor); /* XSetWindowBackground(display, w, background_pixel) Display *display; Window w; unsigned long background_pixel; */ static native void XSetWindowBackground(long display, long window, long background_pixel); static native int XEventsQueued(long display, int mode); /* Atom XInternAtom(display, atom_name, only_if_exists) Display *display; char *atom_name; Bool only_if_exists; */ static native int XInternAtoms(long display, String[] names, boolean only_if_exists, long atoms); static native void SetProperty(long display, long window, long atom, String str); static native String GetProperty(long display ,long window, long atom); static native long InternAtom(long display, String string, int only_if_exists); static native int XGetWindowProperty(long display, long window, long atom, long long_offset, long long_length, long delete, long req_type, long actualy_type, long actualy_format, long nitems_ptr, long bytes_after, long data_ptr); static native void XChangePropertyImpl(long display, long window, long atom, long type, int format, int mode, long data, int nelements); static void XChangeProperty(long display, long window, long atom, long type, int format, int mode, long data, int nelements) { // TODO: handling of XChangePropertyImpl return value, if not Success - don't cache if (XPropertyCache.isCachingSupported() && XToolkit.windowToXWindow(window) != null && WindowPropertyGetter.isCacheableProperty(XAtom.get(atom)) && mode == XConstants.PropModeReplace) { int length = (format / 8) * nelements; XPropertyCache.storeCache( new XPropertyCache.PropertyCacheEntry(format, nelements, 0, data, length), window, XAtom.get(atom)); } XChangePropertyImpl(display, window, atom, type, format, mode, data, nelements); } static native void XChangePropertyS(long display, long window, long atom, long type, int format, int mode, String value); static native void XDeleteProperty(long display, long window, long atom); static native void XSetTransientFor(long display, long window, long transient_for_window); static native void XSetWMHints(long display, long window, long wmhints); static native void XGetWMHints(long display, long window, long wmhints); static native long XAllocWMHints(); static native int XGetPointerMapping(long display, long map, int buttonNumber); static native String XGetDefault(long display, String program, String option); static native long getScreenOfWindow(long display, long window); static native long XScreenNumberOfScreen(long screen); static native int XIconifyWindow(long display, long window, long screenNumber); static native String ServerVendor(long display); static native int VendorRelease(long display); static native boolean IsXsunKPBehavior(long display); static native boolean IsSunKeyboard(long display); static native boolean IsKanaKeyboard(long display); static native void XBell(long display, int percent); /* Cursor XCreateFontCursor(display, shape) Display *display; unsigned int shape; we always pass int as shape param. perhaps later we will need to change type of shape to long. */ static native int XCreateFontCursor(long display, int shape); /* Pixmap XCreateBitmapFromData(display, d, data, width, height) Display *display; Drawable d; char *data; unsigned int width, height; */ static native long XCreateBitmapFromData(long display, long drawable, long data, int width, int height); /* XFreePixmap(display, pixmap) Display *display; Pixmap pixmap; */ static native void XFreePixmap(long display, long pixmap); /* Cursor XCreatePixmapCursor(display, source, mask, foreground_color, background_color, x, y) Display *display; Pixmap source; Pixmap mask; XColor *foreground_color; XColor *background_color; unsigned int x, y; */ static native long XCreatePixmapCursor(long display, long source, long mask, long fore, long back, int x, int y); /* Status XQueryBestCursor(display, d, width, height, width_return, height_return) Display *display; Drawable d; unsigned int width, height; unsigned int *width_return, *height_return; */ static native boolean XQueryBestCursor(long display, long drawable, int width, int height, long width_return, long height_return); /* Status XAllocColor(display, colormap, screen_in_out) Display *display; Colormap colormap; XColor *screen_in_out; */ static native boolean XAllocColor( long display, long colormap, long screen_in_out); static native long SetToolkitErrorHandler(); static native void XSetErrorHandler(long handler); static native int CallErrorHandler(long handler, long display, long event_ptr); /* XChangeWindowAttributes(display, w, valuemask, attributes) Display *display; Window w; unsigned long valuemask; XSetWindowAttributes *attributes; */ static native void XChangeWindowAttributes(long display, long window, long valuemask, long attributes); static native int XGetWindowAttributes(long display, long window, long attr_ptr); static native int XGetGeometry(long display, long drawable, long root_return, long x_return, long y_return, long width_return, long height_return, long border_width_return, long depth_return); static native int XGetWMNormalHints(long display, long window, long hints, long supplied_return); static native void XSetWMNormalHints(long display, long window, long hints); static native void XSetMinMaxHints(long display, long window, int x, int y, int width, int height, long flags); static native long XAllocSizeHints(); static native int XSendEvent(long display, long window, boolean propagate, long event_mask, long event); static native void XPutBackEvent(long display, long event); static native int XQueryTree(long display, long window, long root_return, long parent_return, long children_return, long nchildren_return); static native long XGetVisualInfo(long display, long vinfo_mask, long vinfo_template, long nitems_return); static native void XReparentWindow(long display, long window, long parent, int x, int y); static native void XConvertSelection(long display, long selection, long target, long property, long requestor, long time); static native void XSetSelectionOwner(long display, long selection, long owner, long time); static native long XGetSelectionOwner(long display, long selection); static native String XGetAtomName(long display, long atom); static native long XMaxRequestSize(long display); static native long XCreatePixmap(long display, long drawable, int width, int height, int depth); static native long XCreateImage(long display, long visual_ptr, int depth, int format, int offset, long data, int width, int height, int bitmap_pad, int bytes_per_line); static native void XDestroyImage(long image); static native void XPutImage(long display, long drawable, long gc, long image, int src_x, int src_y, int dest_x, int dest_y, int width, int height); static native long XCreateGC(long display, long drawable, long valuemask, long values); static native void XFreeGC(long display, long gc); static native void XSetWindowBackgroundPixmap(long display, long window, long pixmap); static native void XClearWindow(long display, long window); static native int XGetIconSizes(long display, long window, long ret_sizes, long ret_count); static native int XdbeQueryExtension(long display, long major_version_return, long minor_version_return); static native boolean XQueryExtension(long display, String name, long mop_return, long feve_return, long err_return); static native boolean IsKeypadKey(long keysym); static native long XdbeAllocateBackBufferName(long display, long window, int swap_action); static native int XdbeDeallocateBackBufferName(long display, long buffer); static native int XdbeBeginIdiom(long display); static native int XdbeEndIdiom(long display); static native int XdbeSwapBuffers(long display, long swap_info, int num_windows); static native void XQueryKeymap(long display, long vector); static native long XKeycodeToKeysym(long display, int keycode, int index); static native int XKeysymToKeycode(long display, long keysym); // xkb-related static native int XkbGetEffectiveGroup(long display); static native long XkbKeycodeToKeysym(long display, int keycode, int group, int level); static native void XkbSelectEvents(long display, long device, long bits_to_change, long values_for_bits); static native void XkbSelectEventDetails(long display, long device, long event_type, long bits_to_change, long values_for_bits); static native boolean XkbQueryExtension(long display, long opcode_rtrn, long event_rtrn, long error_rtrn, long major_in_out, long minor_in_out); static native boolean XkbLibraryVersion(long lib_major_in_out, long lib_minor_in_out); static native long XkbGetMap(long display, long which, long device_spec); static native long XkbGetUpdatedMap(long display, long which, long xkb); static native void XkbFreeKeyboard(long xkb, long which, boolean free_all); static native boolean XkbTranslateKeyCode(long xkb, int keycode, long mods, long mods_rtrn, long keysym_rtrn); static native void XkbSetDetectableAutoRepeat(long display, boolean detectable); static native void XConvertCase(long keysym, long keysym_lowercase, long keysym_uppercase); static native long XGetModifierMapping(long display); static native void XFreeModifiermap(long keymap); static native void XRefreshKeyboardMapping(long event); static native void XChangeActivePointerGrab(long display, int mask, long cursor, long time); /* int (*XSynchronize(Display *display, Bool onoff))(); display Specifies the connection to the X server. onoff Specifies a Boolean value that indicates whether to enable or disable synchronization. */ static native int XSynchronize(long display, boolean onoff);
Extracts an X event that can be processed in a secondary loop. Should only be called on the toolkit thread. Returns false if this secondary event was terminated.
/** * Extracts an X event that can be processed in a secondary loop. * Should only be called on the toolkit thread. * Returns false if this secondary event was terminated. */
static native boolean XNextSecondaryLoopEvent(long display, long ptr);
Terminates the topmost secondary loop (if any). Should never be called on the toolkit thread.
/** * Terminates the topmost secondary loop (if any). * Should never be called on the toolkit thread. */
static native void ExitSecondaryLoop();
Calls XTextPropertyToStringList on the specified byte array and returns the array of strings.
/** * Calls XTextPropertyToStringList on the specified byte array and returns * the array of strings. */
static native String[] XTextPropertyToStringList(byte[] bytes, long encoding_atom);
XSHAPE extension support.
/** * XSHAPE extension support. */
static native boolean XShapeQueryExtension(long display, long event_base_return, long error_base_return); static native void SetRectangularShape(long display, long window, int lox, int loy, int hix, int hiy, sun.java2d.pipe.Region region);
Each int in the bitmap array is one pixel with a 32-bit color: R, G, B, and Alpha.
/** Each int in the bitmap array is one pixel with a 32-bit color: * R, G, B, and Alpha. */
static native void SetBitmapShape(long display, long window, int width, int height, int[] bitmap); static native void SetZOrder(long display, long window, long above); /* Global memory area used for X lib parameter passing */ static final long lbuffer = unsafe.allocateMemory(64); // array to hold 8 longs static final long ibuffer = unsafe.allocateMemory(32); // array to hold 8 ints static final long larg1 = lbuffer; static final long larg2 = larg1+8; static final long larg3 = larg2+8; static final long larg4 = larg3+8; static final long larg5 = larg4+8; static final long larg6 = larg5+8; static final long larg7 = larg6+8; static final long larg8 = larg7+8; static final long iarg1 = ibuffer; static final long iarg2 = iarg1+4; static final long iarg3 = iarg2+4; static final long iarg4 = iarg3+4; static final long iarg5 = iarg4+4; static final long iarg6 = iarg5+4; static final long iarg7 = iarg6+4; static final long iarg8 = iarg7+4; static int dataModel; static final boolean isBuildInternal; static { String dataModelProp = AccessController.doPrivileged( new GetPropertyAction("sun.arch.data.model")); try { dataModel = Integer.parseInt(dataModelProp); } catch (Exception e) { dataModel = 32; } isBuildInternal = getBuildInternal(); // System.loadLibrary("mawt"); } static int getDataModel() { return dataModel; } static String hintsToString(long flags) { StringBuffer buf = new StringBuffer(); if ((flags & XUtilConstants.PMaxSize) != 0) { buf.append("PMaxSize "); } if ((flags & XUtilConstants.PMinSize) != 0) { buf.append("PMinSize "); } if ((flags & XUtilConstants.USSize) != 0) { buf.append("USSize "); } if ((flags & XUtilConstants.USPosition) != 0) { buf.append("USPosition "); } if ((flags & XUtilConstants.PPosition) != 0) { buf.append("PPosition "); } if ((flags & XUtilConstants.PSize) != 0) { buf.append("PSize "); } if ((flags & XUtilConstants.PWinGravity) != 0) { buf.append("PWinGravity "); } return buf.toString(); } static String getEventToString( int type ) { if( (type >= 0) && (type < eventToString.length)) { return eventToString[type]; }else if( type == XToolkit.getXKBBaseEventCode() ) { //XXX TODO various xkb types return "XkbEvent"; } return eventToString[0]; } private static boolean getBuildInternal() { String javaVersion = AccessController.doPrivileged( new GetPropertyAction("java.version")); return javaVersion != null && javaVersion.contains("internal"); } static native void PrintXErrorEvent(long display, long event_ptr); }