404 lines
11 KiB
Objective-C
404 lines
11 KiB
Objective-C
/*
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* Cocoa rootless implementation frame functions
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*/
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/*
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* Copyright (c) 2001 Greg Parker. All Rights Reserved.
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* Copyright (c) 2002-2003 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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/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/cr/crFrame.m,v 1.8 2003/12/05 07:00:10 torrey Exp $ */
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#include "quartzCommon.h"
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#include "cr.h"
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#undef BOOL
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#define BOOL xBOOL
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#include "rootless.h"
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#undef BOOL
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WindowPtr nextWindowToFrame = NULL;
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unsigned int nextWindowStyle = 0;
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static void CRReshapeFrame(RootlessFrameID wid, RegionPtr pShape);
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/*
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* CRCreateFrame
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* Create a new physical window.
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* Rootless windows must not autodisplay! Autodisplay can cause a deadlock.
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* Event thread - autodisplay: locks view hierarchy, then window
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* X Server thread - window resize: locks window, then view hierarchy
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* Deadlock occurs if each thread gets one lock and waits for the other.
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*/
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static Bool
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CRCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
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int newX, int newY, RegionPtr pShape)
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{
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CRWindowPtr crWinPtr;
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NSRect bounds;
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NSWindow *theWindow;
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XView *theView;
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unsigned int theStyleMask = NSBorderlessWindowMask;
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crWinPtr = (CRWindowPtr) xalloc(sizeof(CRWindowRec));
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bounds = NSMakeRect(newX,
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NSHeight([[NSScreen mainScreen] frame]) -
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newY - pFrame->height,
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pFrame->width, pFrame->height);
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// Check if AppleWM has specified a style for this window
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if (pFrame->win == nextWindowToFrame) {
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theStyleMask = nextWindowStyle;
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}
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nextWindowToFrame = NULL;
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// Create an NSWindow for the new X11 window
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theWindow = [[NSWindow alloc] initWithContentRect:bounds
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styleMask:theStyleMask
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backing:NSBackingStoreBuffered
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defer:NO];
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if (!theWindow) return FALSE;
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[theWindow setBackgroundColor:[NSColor clearColor]]; // erase transparent
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[theWindow setAlphaValue:1.0]; // draw opaque
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[theWindow setOpaque:YES]; // changed when window is shaped
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[theWindow useOptimizedDrawing:YES]; // Has no overlapping sub-views
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[theWindow setAutodisplay:NO]; // See comment above
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[theWindow disableFlushWindow]; // We do all the flushing manually
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[theWindow setHasShadow:YES]; // All windows have shadows
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[theWindow setReleasedWhenClosed:YES]; // Default, but we want to be sure
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theView = [[XView alloc] initWithFrame:bounds];
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[theWindow setContentView:theView];
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[theWindow setInitialFirstResponder:theView];
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[theWindow setAcceptsMouseMovedEvents:YES];
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crWinPtr->window = theWindow;
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crWinPtr->view = theView;
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[theView lockFocus];
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// Fill the window with white to make sure alpha channel is set
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NSEraseRect(bounds);
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crWinPtr->port = [theView qdPort];
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crWinPtr->context = [[NSGraphicsContext currentContext] graphicsPort];
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// CreateCGContextForPort(crWinPtr->port, &crWinPtr->context);
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[theView unlockFocus];
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// Store the implementation private frame ID
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pFrame->wid = (RootlessFrameID) crWinPtr;
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// Reshape the frame if it was created shaped.
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if (pShape != NULL)
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CRReshapeFrame(pFrame->wid, pShape);
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return TRUE;
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}
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/*
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* CRDestroyFrame
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* Destroy a frame.
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*/
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static void
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CRDestroyFrame(RootlessFrameID wid)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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[crWinPtr->window orderOut:nil];
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[crWinPtr->window close];
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[crWinPtr->view release];
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free(crWinPtr);
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}
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/*
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* CRMoveFrame
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* Move a frame on screen.
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*/
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static void
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CRMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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NSPoint topLeft;
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topLeft = NSMakePoint(newX,
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NSHeight([[NSScreen mainScreen] frame]) - newY);
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[crWinPtr->window setFrameTopLeftPoint:topLeft];
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}
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/*
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* CRResizeFrame
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* Move and resize a frame.
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*/
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static void
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CRResizeFrame(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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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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NSRect bounds = NSMakeRect(newX, NSHeight([[NSScreen mainScreen] frame]) -
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newY - newH, newW, newH);
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[crWinPtr->window setFrame:bounds display:NO];
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}
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/*
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* CRRestackFrame
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* Change the frame order. Put the frame behind nextWid or on top if
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* it is NULL. Unmapped frames are mapped by restacking them.
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*/
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static void
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CRRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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CRWindowPtr crNextWinPtr = (CRWindowPtr) nextWid;
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if (crNextWinPtr) {
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int upperNum = [crNextWinPtr->window windowNumber];
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[crWinPtr->window orderWindow:NSWindowBelow relativeTo:upperNum];
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} else {
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[crWinPtr->window makeKeyAndOrderFront:nil];
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}
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}
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/*
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* CRReshapeFrame
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* Set the shape of a frame.
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*/
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static void
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CRReshapeFrame(RootlessFrameID wid, RegionPtr pShape)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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NSRect bounds = [crWinPtr->view frame];
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int winHeight = NSHeight(bounds);
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BoxRec localBox = {0, 0, NSWidth(bounds), winHeight};
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[crWinPtr->view lockFocus];
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if (pShape != NULL) {
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// Calculate the region outside the new shape.
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miInverse(pShape, pShape, &localBox);
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}
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// If window is currently shaped we need to undo the previous shape.
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if (![crWinPtr->window isOpaque]) {
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[[NSColor whiteColor] set];
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NSRectFillUsingOperation(bounds, NSCompositeDestinationAtop);
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}
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if (pShape != NULL) {
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int count = REGION_NUM_RECTS(pShape);
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BoxRec *extRects = REGION_RECTS(pShape);
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BoxRec *rects, *end;
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// Make transparent if window is now shaped.
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[crWinPtr->window setOpaque:NO];
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// Clear the areas outside the window shape
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[[NSColor clearColor] set];
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for (rects = extRects, end = extRects+count; rects < end; rects++) {
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int rectHeight = rects->y2 - rects->y1;
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NSRectFill( NSMakeRect(rects->x1,
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winHeight - rects->y1 - rectHeight,
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rects->x2 - rects->x1, rectHeight) );
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}
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[[NSGraphicsContext currentContext] flushGraphics];
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// force update of window shadow
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[crWinPtr->window setHasShadow:NO];
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[crWinPtr->window setHasShadow:YES];
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} else {
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[crWinPtr->window setOpaque:YES];
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[[NSGraphicsContext currentContext] flushGraphics];
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}
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[crWinPtr->view unlockFocus];
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}
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/*
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* CRUnmapFrame
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* Unmap a frame.
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*/
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static void
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CRUnmapFrame(RootlessFrameID wid)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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[crWinPtr->window orderOut:nil];
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}
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/*
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* CRStartDrawing
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* When a window's buffer is not being drawn to, the CoreGraphics
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* window server may compress or move it. Call this routine
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* to lock down the buffer during direct drawing. It returns
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* a pointer to the backing buffer.
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*/
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static void
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CRStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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PixMapHandle pix;
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[crWinPtr->view lockFocus];
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crWinPtr->port = [crWinPtr->view qdPort];
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LockPortBits(crWinPtr->port);
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[crWinPtr->view unlockFocus];
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pix = GetPortPixMap(crWinPtr->port);
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*pixelData = GetPixBaseAddr(pix);
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*bytesPerRow = GetPixRowBytes(pix) & 0x3fff; // fixme is mask needed?
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}
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/*
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* CRStopDrawing
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* When direct access to a window's buffer is no longer needed, this
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* routine should be called to allow CoreGraphics to compress or
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* move it.
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*/
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static void
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CRStopDrawing(RootlessFrameID wid, Bool flush)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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UnlockPortBits(crWinPtr->port);
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if (flush) {
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QDFlushPortBuffer(crWinPtr->port, NULL);
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}
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}
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/*
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* CRUpdateRegion
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* Flush a region from a window's backing buffer to the screen.
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*/
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static void
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CRUpdateRegion(RootlessFrameID wid, RegionPtr pDamage)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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#ifdef ROOTLESS_TRACK_DAMAGE
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int count = REGION_NUM_RECTS(pDamage);
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BoxRec *rects = REGION_RECTS(pDamage);
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BoxRec *end;
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static RgnHandle rgn = NULL;
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static RgnHandle box = NULL;
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if (!rgn) rgn = NewRgn();
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if (!box) box = NewRgn();
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for (end = rects+count; rects < end; rects++) {
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Rect qdRect;
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qdRect.left = rects->x1;
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qdRect.top = rects->y1;
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qdRect.right = rects->x2;
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qdRect.bottom = rects->y2;
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RectRgn(box, &qdRect);
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UnionRgn(rgn, box, rgn);
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}
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QDFlushPortBuffer(crWinPtr->port, rgn);
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SetEmptyRgn(rgn);
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SetEmptyRgn(box);
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#else /* !ROOTLESS_TRACK_DAMAGE */
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QDFlushPortBuffer(crWinPtr->port, NULL);
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#endif
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}
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/*
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* CRDamageRects
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* Mark damaged rectangles as requiring redisplay to screen.
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*/
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static void
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CRDamageRects(RootlessFrameID wid, int count, const BoxRec *rects,
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int shift_x, int shift_y)
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{
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CRWindowPtr crWinPtr = (CRWindowPtr) wid;
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const BoxRec *end;
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for (end = rects + count; rects < end; rects++) {
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Rect qdRect;
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qdRect.left = rects->x1 + shift_x;
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qdRect.top = rects->y1 + shift_y;
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qdRect.right = rects->x2 + shift_x;
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qdRect.bottom = rects->y2 + shift_y;
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QDAddRectToDirtyRegion(crWinPtr->port, &qdRect);
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}
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}
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static RootlessFrameProcsRec CRRootlessProcs = {
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CRCreateFrame,
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CRDestroyFrame,
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CRMoveFrame,
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CRResizeFrame,
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CRRestackFrame,
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CRReshapeFrame,
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CRUnmapFrame,
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CRStartDrawing,
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CRStopDrawing,
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CRUpdateRegion,
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CRDamageRects,
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NULL,
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NULL,
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NULL,
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NULL
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};
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/*
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* Initialize CR implementation
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*/
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Bool
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CRInit(ScreenPtr pScreen)
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{
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RootlessInit(pScreen, &CRRootlessProcs);
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rootless_CopyBytes_threshold = 0;
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rootless_FillBytes_threshold = 0;
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rootless_CompositePixels_threshold = 0;
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rootless_CopyWindow_threshold = 0;
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return TRUE;
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}
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