1 files changed, 439 insertions, 0 deletions
diff --git a/hw/darwin/quartz/xpr/xprFrame.c b/hw/darwin/quartz/xpr/xprFrame.c
new file mode 100644
index 000000000..ae24bc42a
--- /dev/null
+++ b/hw/darwin/quartz/xpr/xprFrame.c
@@ -0,0 +1,439 @@
+/*
+ * Xplugin rootless implementation frame functions
+ */
+/*
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/xpr/xprFrame.c,v 1.4 2003/11/12 20:21:52 torrey Exp $ */
+
+#include "xpr.h"
+#include "rootless.h"
+#include "Xplugin.h"
+#include "x-hash.h"
+#include "x-list.h"
+
+#include "propertyst.h"
+#include "dix.h"
+#include "Xatom.h"
+#include "windowstr.h"
+
+#include <pthread.h>
+
+#define DEFINE_ATOM_HELPER(func,atom_name)			\
+static Atom func (void) {					\
+    static int generation;					\
+    static Atom atom;						\
+    if (generation != serverGeneration) {			\
+        generation = serverGeneration;				\
+        atom = MakeAtom (atom_name, strlen (atom_name), TRUE);	\
+    }								\
+    return atom;						\
+}
+
+DEFINE_ATOM_HELPER(xa_native_window_id, "_NATIVE_WINDOW_ID")
+
+/* Maps xp_window_id -> RootlessWindowRec */
+static x_hash_table *window_hash;
+static pthread_mutex_t window_hash_mutex;
+
+static Bool no_configure_window;
+
+
+static inline xp_error
+xprConfigureWindow(xp_window_id id, unsigned int mask,
+                   const xp_window_changes *values)
+{
+    if (!no_configure_window)
+        return xp_configure_window(id, mask, values);
+    else
+        return XP_Success;
+}
+
+
+static void
+xprSetNativeProperty(RootlessWindowPtr pFrame)
+{
+    xp_error err;
+    unsigned int native_id;
+    long data;
+
+    err = xp_get_native_window((xp_window_id) pFrame->wid, &native_id);
+    if (err == Success)
+    {
+        /* FIXME: move this to AppleWM extension */
+
+        data = native_id;
+        ChangeWindowProperty(pFrame->win, xa_native_window_id(),
+                             XA_INTEGER, 32, PropModeReplace, 1, &data, TRUE);
+    }
+}
+
+
+/*
+ * Create and display a new frame.
+ */
+Bool
+xprCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
+               int newX, int newY, RegionPtr pShape)
+{
+    WindowPtr pWin = pFrame->win;
+    xp_window_changes wc;
+    unsigned int mask = 0;
+    xp_error err;
+
+    wc.x = newX;
+    wc.y = newY;
+    wc.width = pFrame->width;
+    wc.height = pFrame->height;
+    wc.bit_gravity = XP_GRAVITY_NONE;
+    mask |= XP_BOUNDS;
+
+    if (pWin->drawable.depth == 8)
+    {
+        wc.depth = XP_DEPTH_INDEX8;
+#if 0
+        wc.colormap = xprColormapCallback;
+        wc.colormap_data = pScreen;
+        mask |= XP_COLORMAP;
+#endif
+    }
+    else if (pWin->drawable.depth == 15)
+        wc.depth = XP_DEPTH_RGB555;
+    else if (pWin->drawable.depth == 24)
+        wc.depth = XP_DEPTH_ARGB8888;
+    else
+        wc.depth = XP_DEPTH_NIL;
+    mask |= XP_DEPTH;
+
+    if (pShape != NULL)
+    {
+        wc.shape_nrects = REGION_NUM_RECTS(pShape);
+        wc.shape_rects = REGION_RECTS(pShape);
+        wc.shape_tx = wc.shape_ty = 0;
+        mask |= XP_SHAPE;
+    }
+
+    err = xp_create_window(mask, &wc, (xp_window_id *) &pFrame->wid);
+
+    if (err != Success)
+    {
+        return FALSE;
+    }
+
+    if (window_hash == NULL)
+    {
+        window_hash = x_hash_table_new(NULL, NULL, NULL, NULL);
+        pthread_mutex_init(&window_hash_mutex, NULL);
+    }
+
+    pthread_mutex_lock(&window_hash_mutex);
+    x_hash_table_insert(window_hash, pFrame->wid, pFrame);
+    pthread_mutex_unlock(&window_hash_mutex);
+
+    xprSetNativeProperty(pFrame);
+
+    return TRUE;
+}
+
+
+/*
+ * Destroy a frame.
+ */
+void
+xprDestroyFrame(RootlessFrameID wid)
+{
+    pthread_mutex_lock(&window_hash_mutex);
+    x_hash_table_remove(window_hash, wid);
+    pthread_mutex_unlock(&window_hash_mutex);
+
+    xp_destroy_window((xp_window_id) wid);
+}
+
+
+/*
+ * Move a frame on screen.
+ */
+void
+xprMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY)
+{
+    xp_window_changes wc;
+
+    wc.x = newX;
+    wc.y = newY;
+
+    xprConfigureWindow((xp_window_id) wid, XP_ORIGIN, &wc);
+}
+
+
+/*
+ * Resize and move a frame.
+ */
+void
+xprResizeFrame(RootlessFrameID wid, ScreenPtr pScreen,
+               int newX, int newY, unsigned int newW, unsigned int newH,
+               unsigned int gravity)
+{
+    xp_window_changes wc;
+
+    wc.x = newX;
+    wc.y = newY;
+    wc.width = newW;
+    wc.height = newH;
+    wc.bit_gravity = gravity;
+
+    /* It's unlikely that being async will save us anything here.
+       But it can't hurt. */
+
+    xprConfigureWindow((xp_window_id) wid, XP_BOUNDS, &wc);
+}
+
+
+/*
+ * Change frame stacking.
+ */
+void
+xprRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid)
+{
+    xp_window_changes wc;
+
+    /* Stack frame below nextWid it if it exists, or raise
+       frame above everything otherwise. */
+
+    if (nextWid == NULL)
+    {
+        wc.stack_mode = XP_MAPPED_ABOVE;
+        wc.sibling = 0;
+    }
+    else
+    {
+        wc.stack_mode = XP_MAPPED_BELOW;
+        wc.sibling = (xp_window_id) nextWid;
+    }
+
+    xprConfigureWindow((xp_window_id) wid, XP_STACKING, &wc);
+}
+
+
+/*
+ * Change the frame's shape.
+ */
+void
+xprReshapeFrame(RootlessFrameID wid, RegionPtr pShape)
+{
+    xp_window_changes wc;
+
+    if (pShape != NULL)
+    {
+        wc.shape_nrects = REGION_NUM_RECTS(pShape);
+        wc.shape_rects = REGION_RECTS(pShape);
+    }
+    else
+    {
+        wc.shape_nrects = -1;
+        wc.shape_rects = NULL;
+    }
+
+    wc.shape_tx = wc.shape_ty = 0;
+
+    xprConfigureWindow((xp_window_id) wid, XP_SHAPE, &wc);
+}
+
+
+/*
+ * Unmap a frame.
+ */
+void
+xprUnmapFrame(RootlessFrameID wid)
+{
+    xp_window_changes wc;
+
+    wc.stack_mode = XP_UNMAPPED;
+    wc.sibling = 0;
+
+    xprConfigureWindow((xp_window_id) wid, XP_STACKING, &wc);
+}
+
+
+/*
+ * Start drawing to a frame.
+ *  Prepare for direct access to its backing buffer.
+ */
+void
+xprStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
+{
+    void *data[2];
+    unsigned int rowbytes[2];
+    xp_error err;
+
+    err = xp_lock_window((xp_window_id) wid, NULL, NULL, data, rowbytes, NULL);
+    if (err != Success)
+        FatalError("Could not lock window %i for drawing.", (int) wid);
+
+    *pixelData = data[0];
+    *bytesPerRow = rowbytes[0];
+}
+
+
+/*
+ * Stop drawing to a frame.
+ */
+void
+xprStopDrawing(RootlessFrameID wid, Bool flush)
+{
+    xp_unlock_window((xp_window_id) wid, flush);
+}
+
+
+/*
+ * Flush drawing updates to the screen.
+ */
+void
+xprUpdateRegion(RootlessFrameID wid, RegionPtr pDamage)
+{
+    xp_flush_window((xp_window_id) wid);
+}
+
+
+/*
+ * Mark damaged rectangles as requiring redisplay to screen.
+ */
+void
+xprDamageRects(RootlessFrameID wid, int nrects, const BoxRec *rects,
+               int shift_x, int shift_y)
+{
+    xp_mark_window((xp_window_id) wid, nrects, rects, shift_x, shift_y);
+}
+
+
+/*
+ * Called after the window associated with a frame has been switched
+ * to a new top-level parent.
+ */
+void
+xprSwitchWindow(RootlessWindowPtr pFrame, WindowPtr oldWin)
+{
+    DeleteProperty(oldWin, xa_native_window_id());
+
+    xprSetNativeProperty(pFrame);
+}
+
+
+/*
+ * Copy area in frame to another part of frame.
+ *  Used to accelerate scrolling.
+ */
+void
+xprCopyWindow(RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
+              int dx, int dy)
+{
+    xp_copy_window((xp_window_id) wid, (xp_window_id) wid,
+                   dstNrects, dstRects, dx, dy);
+}
+
+
+static RootlessFrameProcsRec xprRootlessProcs = {
+    xprCreateFrame,
+    xprDestroyFrame,
+    xprMoveFrame,
+    xprResizeFrame,
+    xprRestackFrame,
+    xprReshapeFrame,
+    xprUnmapFrame,
+    xprStartDrawing,
+    xprStopDrawing,
+    xprUpdateRegion,
+    xprDamageRects,
+    xprSwitchWindow,
+    xp_copy_bytes,
+    xp_fill_bytes,
+    xp_composite_pixels,
+    xprCopyWindow
+};
+
+
+/*
+ * Initialize XPR implementation
+ */
+Bool
+xprInit(ScreenPtr pScreen)
+{
+    RootlessInit(pScreen, &xprRootlessProcs);
+
+    rootless_CopyBytes_threshold = xp_copy_bytes_threshold;
+    rootless_FillBytes_threshold = xp_fill_bytes_threshold;
+    rootless_CompositePixels_threshold = xp_composite_area_threshold;
+    rootless_CopyWindow_threshold = xp_scroll_area_threshold;
+
+    no_configure_window = FALSE;
+
+    return TRUE;
+}
+
+
+/*
+ * Given the id of a physical window, try to find the top-level (or root)
+ * X window that it represents.
+ */
+static WindowPtr
+xprGetXWindow(xp_window_id wid)
+{
+    RootlessWindowRec *winRec;
+
+    if (window_hash == NULL)
+        return NULL;
+
+    winRec = x_hash_table_lookup(window_hash, (void *) wid, NULL);
+
+    return winRec != NULL ? winRec->win : NULL;
+}
+
+
+/*
+ * The windowNumber is an AppKit window number. Returns TRUE if xpr is
+ * displaying a window with that number.
+ */
+Bool
+xprIsX11Window(void *nsWindow, int windowNumber)
+{
+    Bool ret;
+    xp_window_id wid;
+
+    if (window_hash == NULL)
+        return FALSE;
+
+    /* need to lock, since this function can be called by any thread */
+
+    pthread_mutex_lock(&window_hash_mutex);
+
+    if (xp_lookup_native_window(windowNumber, &wid))
+        ret = xprGetXWindow(wid) != NULL;
+    else
+        ret = FALSE;
+
+    pthread_mutex_unlock(&window_hash_mutex);
+
+    return ret;
+}