1 files changed, 403 insertions, 0 deletions
diff --git a/hw/darwin/quartz/cr/crFrame.m b/hw/darwin/quartz/cr/crFrame.m
new file mode 100644
index 000000000..e3e83ebc4
--- /dev/null
+++ b/hw/darwin/quartz/cr/crFrame.m
@@ -0,0 +1,403 @@
+/*
+ * Cocoa rootless implementation frame functions
+ */
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ * Copyright (c) 2002-2003 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/cr/crFrame.m,v 1.5 2003/11/13 20:26:31 torrey Exp $ */
+
+#include "quartzCommon.h"
+#include "cr.h"
+
+#undef BOOL
+#define BOOL xBOOL
+#include "rootless.h"
+#undef BOOL
+
+WindowPtr nextWindowToFrame = NULL;
+unsigned int nextWindowStyle = 0;
+
+static void CRReshapeFrame(RootlessFrameID wid, RegionPtr pShape);
+
+
+/*
+ * CRCreateFrame
+ *  Create a new physical window.
+ *  Rootless windows must not autodisplay! Autodisplay can cause a deadlock.
+ *    Event thread - autodisplay: locks view hierarchy, then window
+ *    X Server thread - window resize: locks window, then view hierarchy
+ *  Deadlock occurs if each thread gets one lock and waits for the other.
+ */
+static Bool
+CRCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
+              int newX, int newY, RegionPtr pShape)
+{
+    CRWindowPtr crWinPtr;
+    NSRect bounds;
+    NSWindow *theWindow;
+    XView *theView;
+    unsigned int theStyleMask = NSBorderlessWindowMask;
+
+    crWinPtr = (CRWindowPtr) xalloc(sizeof(CRWindowRec));
+
+    bounds = NSMakeRect(newX,
+                        NSHeight([[NSScreen mainScreen] frame]) -
+                        newY - pFrame->height,
+                        pFrame->width, pFrame->height);
+
+    // Check if AppleWM has specified a style for this window
+    if (pFrame->win == nextWindowToFrame) {
+        theStyleMask = nextWindowStyle;
+    }
+    nextWindowToFrame = NULL;
+
+    // Create an NSWindow for the new X11 window
+    theWindow = [[NSWindow alloc] initWithContentRect:bounds
+                                  styleMask:theStyleMask
+                                  backing:NSBackingStoreBuffered
+                                  defer:NO];
+    if (!theWindow) return FALSE;
+
+    [theWindow setBackgroundColor:[NSColor clearColor]];  // erase transparent
+    [theWindow setAlphaValue:1.0];       // draw opaque
+    [theWindow setOpaque:YES];           // changed when window is shaped
+
+    [theWindow useOptimizedDrawing:YES]; // Has no overlapping sub-views
+    [theWindow setAutodisplay:NO];       // See comment above
+    [theWindow disableFlushWindow];      // We do all the flushing manually
+    [theWindow setHasShadow:YES];        // All windows have shadows
+    [theWindow setReleasedWhenClosed:YES]; // Default, but we want to be sure
+
+    theView = [[XView alloc] initWithFrame:bounds];
+    [theWindow setContentView:theView];
+    [theWindow setInitialFirstResponder:theView];
+
+    [theWindow setAcceptsMouseMovedEvents:YES];
+
+    crWinPtr->window = theWindow;
+    crWinPtr->view = theView;
+
+    [theView lockFocus];
+    // Fill the window with white to make sure alpha channel is set
+    NSEraseRect(bounds);
+    crWinPtr->port = [theView qdPort];
+    crWinPtr->context = [[NSGraphicsContext currentContext] graphicsPort];
+    // CreateCGContextForPort(crWinPtr->port, &crWinPtr->context);
+    [theView unlockFocus];
+
+    // Store the implementation private frame ID
+    pFrame->wid = (RootlessFrameID) crWinPtr;
+
+    // Reshape the frame if it was created shaped.
+    if (pShape != NULL)
+        CRReshapeFrame(pFrame->wid, pShape);
+
+    return TRUE;
+}
+
+
+/*
+ * CRDestroyFrame
+ *  Destroy a frame.
+ */
+static void
+CRDestroyFrame(RootlessFrameID wid)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+
+    [crWinPtr->window orderOut:nil];
+    [crWinPtr->window close];
+    [crWinPtr->view release];
+    free(crWinPtr);
+}
+
+
+/*
+ * CRMoveFrame
+ *  Move a frame on screen.
+ */
+static void
+CRMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    NSPoint topLeft;
+
+    topLeft = NSMakePoint(newX,
+                          NSHeight([[NSScreen mainScreen] frame]) - newY);
+
+    [crWinPtr->window setFrameTopLeftPoint:topLeft];
+}
+
+
+/*
+ * CRResizeFrame
+ *  Move and resize a frame.
+ */
+static void
+CRResizeFrame(RootlessFrameID wid, ScreenPtr pScreen,
+              int newX, int newY, unsigned int newW, unsigned int newH,
+              unsigned int gravity)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    NSRect bounds = NSMakeRect(newX, NSHeight([[NSScreen mainScreen] frame]) -
+                              newY - newH, newW, newH);
+
+    [crWinPtr->window setFrame:bounds display:NO];
+}
+
+
+/*
+ * CRRestackFrame
+ *  Change the frame order. Put the frame behind nextWid or on top if
+ *  it is NULL. Unmapped frames are mapped by restacking them.
+ */
+static void
+CRRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    CRWindowPtr crNextWinPtr = (CRWindowPtr) nextWid;
+
+    if (crNextWinPtr) {
+        int upperNum = [crNextWinPtr->window windowNumber];
+
+        [crWinPtr->window orderWindow:NSWindowBelow relativeTo:upperNum];
+    } else {
+        [crWinPtr->window makeKeyAndOrderFront:nil];
+    }
+}
+
+
+/*
+ * CRReshapeFrame
+ *  Set the shape of a frame.
+ */
+static void
+CRReshapeFrame(RootlessFrameID wid, RegionPtr pShape)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    NSRect bounds = [crWinPtr->view frame];
+    int winHeight = NSHeight(bounds);
+    BoxRec localBox = {0, 0, NSWidth(bounds), winHeight};
+
+    [crWinPtr->view lockFocus];
+
+    if (pShape != NULL) {
+        // Calculate the region outside the new shape.
+        REGION_INVERSE(NULL, pShape, pShape, &localBox);
+    }
+
+    // If window is currently shaped we need to undo the previous shape.
+    if (![crWinPtr->window isOpaque]) {
+        [[NSColor whiteColor] set];
+        NSRectFillUsingOperation(bounds, NSCompositeDestinationAtop);
+    }
+
+    if (pShape != NULL) {
+        int count = REGION_NUM_RECTS(pShape);
+        BoxRec *extRects = REGION_RECTS(pShape);
+        BoxRec *rects, *end;
+
+        // Make transparent if window is now shaped.
+        [crWinPtr->window setOpaque:NO];
+
+        // Clear the areas outside the window shape
+        [[NSColor clearColor] set];
+        for (rects = extRects, end = extRects+count; rects < end; rects++) {
+            int rectHeight = rects->y2 - rects->y1;
+            NSRectFill( NSMakeRect(rects->x1,
+                                   winHeight - rects->y1 - rectHeight,
+                                   rects->x2 - rects->x1, rectHeight) );
+        }
+        [[NSGraphicsContext currentContext] flushGraphics];
+
+        // force update of window shadow
+        [crWinPtr->window setHasShadow:NO];
+        [crWinPtr->window setHasShadow:YES];
+
+    } else {
+        [crWinPtr->window setOpaque:YES];
+        [[NSGraphicsContext currentContext] flushGraphics];
+    }
+
+    [crWinPtr->view unlockFocus];
+}
+
+
+/*
+ * CRUnmapFrame
+ *  Unmap a frame.
+ */
+static void
+CRUnmapFrame(RootlessFrameID wid)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+
+    [crWinPtr->window orderOut:nil];
+}
+
+
+/*
+ * CRStartDrawing
+ *  When a window's buffer is not being drawn to, the CoreGraphics
+ *  window server may compress or move it. Call this routine
+ *  to lock down the buffer during direct drawing. It returns
+ *  a pointer to the backing buffer.
+ */
+static void
+CRStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    PixMapHandle pix;
+
+    [crWinPtr->view lockFocus];
+    crWinPtr->port = [crWinPtr->view qdPort];
+    LockPortBits(crWinPtr->port);
+    [crWinPtr->view unlockFocus];
+    pix = GetPortPixMap(crWinPtr->port);
+
+    *pixelData = GetPixBaseAddr(pix);
+    *bytesPerRow = GetPixRowBytes(pix) & 0x3fff; // fixme is mask needed?
+}
+
+
+/*
+ * CRStopDrawing
+ *  When direct access to a window's buffer is no longer needed, this
+ *  routine should be called to allow CoreGraphics to compress or
+ *  move it.
+ */
+static void
+CRStopDrawing(RootlessFrameID wid, Bool flush)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+
+    UnlockPortBits(crWinPtr->port);
+
+    if (flush) {
+        QDFlushPortBuffer(crWinPtr->port, NULL);
+    }
+}
+
+
+/*
+ * CRUpdateRegion
+ *  Flush a region from a window's backing buffer to the screen.
+ */
+static void
+CRUpdateRegion(RootlessFrameID wid, RegionPtr pDamage)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+
+#ifdef ROOTLESS_TRACK_DAMAGE
+    int count = REGION_NUM_RECTS(pDamage);
+    BoxRec *rects = REGION_RECTS(pDamage);
+    BoxRec *end;
+
+    static RgnHandle rgn = NULL;
+    static RgnHandle box = NULL;
+
+    if (!rgn) rgn = NewRgn();
+    if (!box) box = NewRgn();
+
+    for (end = rects+count; rects < end; rects++) {
+        Rect qdRect;
+        qdRect.left = rects->x1;
+        qdRect.top = rects->y1;
+        qdRect.right = rects->x2;
+        qdRect.bottom = rects->y2;
+
+        RectRgn(box, &qdRect);
+        UnionRgn(rgn, box, rgn);
+    }
+
+    QDFlushPortBuffer(crWinPtr->port, rgn);
+
+    SetEmptyRgn(rgn);
+    SetEmptyRgn(box);
+
+#else	/* !ROOTLESS_TRACK_DAMAGE */
+    QDFlushPortBuffer(crWinPtr->port, NULL);
+#endif
+}
+
+
+/*
+ * CRDamageRects
+ *  Mark damaged rectangles as requiring redisplay to screen.
+ */
+static void
+CRDamageRects(RootlessFrameID wid, int count, const BoxRec *rects,
+               int shift_x, int shift_y)
+{
+    CRWindowPtr crWinPtr = (CRWindowPtr) wid;
+    const BoxRec *end;
+
+    for (end = rects + count; rects < end; rects++) {
+        Rect qdRect;
+        qdRect.left = rects->x1 + shift_x;
+        qdRect.top = rects->y1 + shift_y;
+        qdRect.right = rects->x2 + shift_x;
+        qdRect.bottom = rects->y2 + shift_y;
+
+        QDAddRectToDirtyRegion(crWinPtr->port, &qdRect);
+    }
+}
+
+
+static RootlessFrameProcsRec CRRootlessProcs = {
+    CRCreateFrame,
+    CRDestroyFrame,
+    CRMoveFrame,
+    CRResizeFrame,
+    CRRestackFrame,
+    CRReshapeFrame,
+    CRUnmapFrame,
+    CRStartDrawing,
+    CRStopDrawing,
+    CRUpdateRegion,
+    CRDamageRects,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+
+
+/*
+ * Initialize CR implementation
+ */
+Bool
+CRInit(ScreenPtr pScreen)
+{
+    RootlessInit(pScreen, &CRRootlessProcs);
+
+    rootless_CopyBytes_threshold = 0;
+    rootless_FillBytes_threshold = 0;
+    rootless_CompositePixels_threshold = 0;
+    rootless_CopyWindow_threshold = 0;
+
+    return TRUE;
+}