556 lines
13 KiB
C
556 lines
13 KiB
C
/*
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* Xplugin rootless implementation frame functions
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*
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* Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
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* Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the sale,
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* use or other dealings in this Software without prior written authorization.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "xpr.h"
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#include "rootlessCommon.h"
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#include <Xplugin.h>
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#include "x-hash.h"
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#include "x-list.h"
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#include "applewmExt.h"
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#include "propertyst.h"
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#include "dix.h"
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#include <X11/Xatom.h>
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#include "windowstr.h"
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#include "threadSafety.h"
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#include <pthread.h>
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#define DEFINE_ATOM_HELPER(func,atom_name) \
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static Atom func (void) { \
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static int generation; \
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static Atom atom; \
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if (generation != serverGeneration) { \
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generation = serverGeneration; \
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atom = MakeAtom (atom_name, strlen (atom_name), TRUE); \
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} \
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return atom; \
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}
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DEFINE_ATOM_HELPER(xa_native_window_id, "_NATIVE_WINDOW_ID")
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/* Maps xp_window_id -> RootlessWindowRec */
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static x_hash_table *window_hash;
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static pthread_mutex_t window_hash_mutex;
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static inline xp_error
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xprConfigureWindow(xp_window_id id, unsigned int mask,
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const xp_window_changes *values)
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{
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TA_SERVER();
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return xp_configure_window(id, mask, values);
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}
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static void
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xprSetNativeProperty(RootlessWindowPtr pFrame)
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{
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xp_error err;
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unsigned int native_id;
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long data;
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TA_SERVER();
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err = xp_get_native_window((xp_window_id) pFrame->wid, &native_id);
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if (err == Success)
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{
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/* FIXME: move this to AppleWM extension */
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data = native_id;
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dixChangeWindowProperty(serverClient, pFrame->win, xa_native_window_id(),
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XA_INTEGER, 32, PropModeReplace, 1, &data, TRUE);
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}
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}
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/*
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* Create and display a new frame.
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*/
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Bool
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xprCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
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int newX, int newY, RegionPtr pShape)
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{
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WindowPtr pWin = pFrame->win;
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xp_window_changes wc;
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unsigned int mask = 0;
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xp_error err;
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TA_SERVER();
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wc.x = newX;
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wc.y = newY;
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wc.width = pFrame->width;
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wc.height = pFrame->height;
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wc.bit_gravity = XP_GRAVITY_NONE;
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mask |= XP_BOUNDS;
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if (pWin->drawable.depth == 8)
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{
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wc.depth = XP_DEPTH_INDEX8;
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wc.colormap = RootlessColormapCallback;
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wc.colormap_data = pScreen;
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mask |= XP_COLORMAP;
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}
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else if (pWin->drawable.depth == 15)
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wc.depth = XP_DEPTH_RGB555;
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else if (pWin->drawable.depth == 24)
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wc.depth = XP_DEPTH_ARGB8888;
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else
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wc.depth = XP_DEPTH_NIL;
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mask |= XP_DEPTH;
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if (pShape != NULL)
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{
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wc.shape_nrects = REGION_NUM_RECTS(pShape);
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wc.shape_rects = REGION_RECTS(pShape);
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wc.shape_tx = wc.shape_ty = 0;
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mask |= XP_SHAPE;
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}
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err = xp_create_window(mask, &wc, (xp_window_id *) &pFrame->wid);
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if (err != Success)
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{
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return FALSE;
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}
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if (window_hash == NULL)
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{
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window_hash = x_hash_table_new(NULL, NULL, NULL, NULL);
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pthread_mutex_init(&window_hash_mutex, NULL);
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}
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pthread_mutex_lock(&window_hash_mutex);
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x_hash_table_insert(window_hash, pFrame->wid, pFrame);
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pthread_mutex_unlock(&window_hash_mutex);
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xprSetNativeProperty(pFrame);
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return TRUE;
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}
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/*
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* Destroy a frame.
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*/
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void
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xprDestroyFrame(RootlessFrameID wid)
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{
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TA_SERVER();
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pthread_mutex_lock(&window_hash_mutex);
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x_hash_table_remove(window_hash, wid);
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pthread_mutex_unlock(&window_hash_mutex);
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xp_destroy_window((xp_window_id) wid);
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}
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/*
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* Move a frame on screen.
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*/
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void
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xprMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY)
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{
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TA_SERVER();
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xp_window_changes wc;
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wc.x = newX;
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wc.y = newY;
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// ErrorF("xprMoveFrame(%d, %p, %d, %d)\n", wid, pScreen, newX, newY);
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xprConfigureWindow((xp_window_id) wid, XP_ORIGIN, &wc);
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}
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/*
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* Resize and move a frame.
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*/
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void
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xprResizeFrame(RootlessFrameID wid, ScreenPtr pScreen,
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int newX, int newY, unsigned int newW, unsigned int newH,
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unsigned int gravity)
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{
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xp_window_changes wc;
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TA_SERVER();
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wc.x = newX;
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wc.y = newY;
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wc.width = newW;
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wc.height = newH;
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wc.bit_gravity = gravity;
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/* It's unlikely that being async will save us anything here.
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But it can't hurt. */
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xprConfigureWindow((xp_window_id) wid, XP_BOUNDS, &wc);
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}
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/*
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* Change frame stacking.
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*/
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void
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xprRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid)
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{
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xp_window_changes wc;
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TA_SERVER();
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/* Stack frame below nextWid it if it exists, or raise
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frame above everything otherwise. */
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if (nextWid == NULL)
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{
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wc.stack_mode = XP_MAPPED_ABOVE;
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wc.sibling = 0;
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}
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else
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{
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wc.stack_mode = XP_MAPPED_BELOW;
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wc.sibling = (xp_window_id) nextWid;
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}
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xprConfigureWindow((xp_window_id) wid, XP_STACKING, &wc);
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}
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/*
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* Change the frame's shape.
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*/
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void
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xprReshapeFrame(RootlessFrameID wid, RegionPtr pShape)
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{
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xp_window_changes wc;
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TA_SERVER();
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if (pShape != NULL)
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{
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wc.shape_nrects = REGION_NUM_RECTS(pShape);
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wc.shape_rects = REGION_RECTS(pShape);
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}
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else
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{
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wc.shape_nrects = -1;
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wc.shape_rects = NULL;
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}
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wc.shape_tx = wc.shape_ty = 0;
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xprConfigureWindow((xp_window_id) wid, XP_SHAPE, &wc);
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}
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/*
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* Unmap a frame.
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*/
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void
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xprUnmapFrame(RootlessFrameID wid)
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{
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xp_window_changes wc;
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TA_SERVER();
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wc.stack_mode = XP_UNMAPPED;
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wc.sibling = 0;
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xprConfigureWindow((xp_window_id) wid, XP_STACKING, &wc);
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}
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/*
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* Start drawing to a frame.
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* Prepare for direct access to its backing buffer.
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*/
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void
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xprStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
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{
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void *data[2];
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unsigned int rowbytes[2];
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xp_error err;
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TA_SERVER();
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err = xp_lock_window((xp_window_id) wid, NULL, NULL, data, rowbytes, NULL);
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if (err != Success)
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FatalError("Could not lock window %i for drawing.", (int) wid);
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*pixelData = data[0];
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*bytesPerRow = rowbytes[0];
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}
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/*
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* Stop drawing to a frame.
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*/
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void
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xprStopDrawing(RootlessFrameID wid, Bool flush)
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{
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TA_SERVER();
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xp_unlock_window((xp_window_id) wid, flush);
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}
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/*
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* Flush drawing updates to the screen.
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*/
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void
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xprUpdateRegion(RootlessFrameID wid, RegionPtr pDamage)
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{
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TA_SERVER();
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xp_flush_window((xp_window_id) wid);
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}
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/*
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* Mark damaged rectangles as requiring redisplay to screen.
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*/
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void
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xprDamageRects(RootlessFrameID wid, int nrects, const BoxRec *rects,
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int shift_x, int shift_y)
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{
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TA_SERVER();
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xp_mark_window((xp_window_id) wid, nrects, rects, shift_x, shift_y);
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}
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/*
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* Called after the window associated with a frame has been switched
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* to a new top-level parent.
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*/
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void
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xprSwitchWindow(RootlessWindowPtr pFrame, WindowPtr oldWin)
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{
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DeleteProperty(serverClient, oldWin, xa_native_window_id());
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TA_SERVER();
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xprSetNativeProperty(pFrame);
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}
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/*
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* Called to check if the frame should be reordered when it is restacked.
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*/
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Bool xprDoReorderWindow(RootlessWindowPtr pFrame)
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{
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WindowPtr pWin = pFrame->win;
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TA_SERVER();
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return AppleWMDoReorderWindow(pWin);
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}
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/*
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* Copy area in frame to another part of frame.
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* Used to accelerate scrolling.
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*/
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void
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xprCopyWindow(RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
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int dx, int dy)
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{
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TA_SERVER();
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xp_copy_window((xp_window_id) wid, (xp_window_id) wid,
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dstNrects, dstRects, dx, dy);
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}
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static RootlessFrameProcsRec xprRootlessProcs = {
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xprCreateFrame,
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xprDestroyFrame,
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xprMoveFrame,
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xprResizeFrame,
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xprRestackFrame,
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xprReshapeFrame,
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xprUnmapFrame,
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xprStartDrawing,
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xprStopDrawing,
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xprUpdateRegion,
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xprDamageRects,
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xprSwitchWindow,
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xprDoReorderWindow,
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xp_copy_bytes,
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xp_fill_bytes,
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xp_composite_pixels,
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xprCopyWindow
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};
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/*
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* Initialize XPR implementation
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*/
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Bool
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xprInit(ScreenPtr pScreen)
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{
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RootlessInit(pScreen, &xprRootlessProcs);
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TA_SERVER();
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rootless_CopyBytes_threshold = xp_copy_bytes_threshold;
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rootless_FillBytes_threshold = xp_fill_bytes_threshold;
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rootless_CompositePixels_threshold = xp_composite_area_threshold;
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rootless_CopyWindow_threshold = xp_scroll_area_threshold;
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return TRUE;
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}
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/*
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* Given the id of a physical window, try to find the top-level (or root)
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* X window that it represents.
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*/
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WindowPtr
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xprGetXWindow(xp_window_id wid)
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{
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RootlessWindowRec *winRec;
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if (window_hash == NULL)
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return NULL;
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winRec = x_hash_table_lookup(window_hash, (void *) wid, NULL);
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return winRec != NULL ? winRec->win : NULL;
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}
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/*
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* Given the id of a physical window, try to find the top-level (or root)
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* X window that it represents.
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*/
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WindowPtr
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xprGetXWindowFromAppKit(int windowNumber)
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{
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RootlessWindowRec *winRec;
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Bool ret;
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xp_window_id wid;
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if (window_hash == NULL)
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return FALSE;
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/* need to lock, since this function can be called by any thread */
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pthread_mutex_lock(&window_hash_mutex);
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if (xp_lookup_native_window(windowNumber, &wid))
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ret = xprGetXWindow(wid) != NULL;
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else
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ret = FALSE;
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pthread_mutex_unlock(&window_hash_mutex);
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if (!ret) return NULL;
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winRec = x_hash_table_lookup(window_hash, (void *) wid, NULL);
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return winRec != NULL ? winRec->win : NULL;
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}
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/*
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* The windowNumber is an AppKit window number. Returns TRUE if xpr is
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* displaying a window with that number.
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*/
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Bool
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xprIsX11Window(void *nsWindow, int windowNumber)
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{
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Bool ret;
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xp_window_id wid;
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if (window_hash == NULL)
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return FALSE;
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/* need to lock, since this function can be called by any thread */
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pthread_mutex_lock(&window_hash_mutex);
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if (xp_lookup_native_window(windowNumber, &wid))
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ret = xprGetXWindow(wid) != NULL;
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else
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ret = FALSE;
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pthread_mutex_unlock(&window_hash_mutex);
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return ret;
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}
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/*
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* xprHideWindows
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* Hide or unhide all top level windows. This is called for application hide/
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* unhide events if the window manager is not Apple-WM aware. Xplugin windows
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* do not hide or unhide themselves.
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*/
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void
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xprHideWindows(Bool hide)
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{
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int screen;
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WindowPtr pRoot, pWin;
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TA_SERVER();
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for (screen = 0; screen < screenInfo.numScreens; screen++) {
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pRoot = WindowTable[screenInfo.screens[screen]->myNum];
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RootlessFrameID prevWid = NULL;
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for (pWin = pRoot->firstChild; pWin; pWin = pWin->nextSib) {
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RootlessWindowRec *winRec = WINREC(pWin);
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if (winRec != NULL) {
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if (hide) {
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xprUnmapFrame(winRec->wid);
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} else {
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BoxRec box;
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xprRestackFrame(winRec->wid, prevWid);
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prevWid = winRec->wid;
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = winRec->width;
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box.y2 = winRec->height;
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xprDamageRects(winRec->wid, 1, &box, 0, 0);
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RootlessQueueRedisplay(screenInfo.screens[screen]);
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}
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}
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}
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}
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}
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