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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/darwin/quartz/cr/crFrame.m
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Diffstat (limited to 'nx-X11/programs/Xserver/hw/darwin/quartz/cr/crFrame.m')
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diff --git a/nx-X11/programs/Xserver/hw/darwin/quartz/cr/crFrame.m b/nx-X11/programs/Xserver/hw/darwin/quartz/cr/crFrame.m
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+/*
+ * 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.
+ */
+/* $XdotOrg: xc/programs/Xserver/hw/darwin/quartz/cr/crFrame.m,v 1.3 2004/10/08 00:35:05 torrey Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/cr/crFrame.m,v 1.9 2004/03/19 02:05:29 torrey Exp $ */
+
+#include "quartzCommon.h"
+#include "cr.h"
+
+#undef BOOL
+#define BOOL xBOOL
+#include "rootless.h"
+#include "applewmExt.h"
+#include "windowstr.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
+#ifdef DEFER_NSWINDOW
+ defer:YES];
+#else
+ defer:NO];
+#endif
+
+ 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];
+
+#ifdef DEFER_NSWINDOW
+ // We need the NSWindow to actually be created now.
+ // If we had to defer creating it, we have to order it
+ // onto the screen to force it to be created.
+
+ if (pFrame->win->prevSib) {
+ CRWindowPtr crWinPtr = (CRWindowPtr) RootlessFrameForWindow(
+ pFrame->win->prevSib, FALSE);
+ int upperNum = [crWinPtr->window windowNumber];
+ [theWindow orderWindow:NSWindowBelow relativeTo:upperNum];
+ } else {
+ [theWindow orderFront:nil];
+ }
+#endif
+
+ [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.
+ miInverse(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);
+ }
+}
+
+
+/*
+ * Called to check if the frame should be reordered when it is restacked.
+ */
+Bool CRDoReorderWindow(RootlessWindowPtr pFrame)
+{
+ WindowPtr pWin = pFrame->win;
+
+ return AppleWMDoReorderWindow(pWin);
+}
+
+
+static RootlessFrameProcsRec CRRootlessProcs = {
+ CRCreateFrame,
+ CRDestroyFrame,
+ CRMoveFrame,
+ CRResizeFrame,
+ CRRestackFrame,
+ CRReshapeFrame,
+ CRUnmapFrame,
+ CRStartDrawing,
+ CRStopDrawing,
+ CRUpdateRegion,
+ CRDamageRects,
+ NULL,
+ CRDoReorderWindow,
+ 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;
+}