1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/views/mac/SkOSWindow_Mac.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,542 @@
1.4 +/*
1.5 + * Copyright 2011 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#include "SkTypes.h"
1.12 +
1.13 +#if defined(SK_BUILD_FOR_MAC)
1.14 +
1.15 +#include <AGL/agl.h>
1.16 +
1.17 +#include <Carbon/Carbon.h>
1.18 +#include "SkCGUtils.h"
1.19 +
1.20 +#include "SkWindow.h"
1.21 +#include "SkCanvas.h"
1.22 +#include "SkOSMenu.h"
1.23 +#include "SkTime.h"
1.24 +
1.25 +#include "SkGraphics.h"
1.26 +#include <new.h>
1.27 +
1.28 +static void (*gPrevNewHandler)();
1.29 +
1.30 +extern "C" {
1.31 + static void sk_new_handler()
1.32 + {
1.33 + if (SkGraphics::SetFontCacheUsed(0))
1.34 + return;
1.35 + if (gPrevNewHandler)
1.36 + gPrevNewHandler();
1.37 + else
1.38 + sk_throw();
1.39 + }
1.40 +}
1.41 +
1.42 +static SkOSWindow* gCurrOSWin;
1.43 +static EventTargetRef gEventTarget;
1.44 +static EventQueueRef gCurrEventQ;
1.45 +
1.46 +static OSStatus MyDrawEventHandler(EventHandlerCallRef myHandler,
1.47 + EventRef event, void *userData) {
1.48 + // NOTE: GState is save/restored by the HIView system doing the callback,
1.49 + // so the draw handler doesn't need to do it
1.50 +
1.51 + OSStatus status = noErr;
1.52 + CGContextRef context;
1.53 + HIRect bounds;
1.54 +
1.55 + // Get the CGContextRef
1.56 + status = GetEventParameter (event, kEventParamCGContextRef,
1.57 + typeCGContextRef, NULL,
1.58 + sizeof (CGContextRef),
1.59 + NULL,
1.60 + &context);
1.61 +
1.62 + if (status != noErr) {
1.63 + SkDebugf("Got error %d getting the context!\n", status);
1.64 + return status;
1.65 + }
1.66 +
1.67 + // Get the bounding rectangle
1.68 + HIViewGetBounds ((HIViewRef) userData, &bounds);
1.69 +
1.70 + gCurrOSWin->doPaint(context);
1.71 + return status;
1.72 +}
1.73 +
1.74 +#define SK_MacEventClass FOUR_CHAR_CODE('SKec')
1.75 +#define SK_MacEventKind FOUR_CHAR_CODE('SKek')
1.76 +#define SK_MacEventParamName FOUR_CHAR_CODE('SKev')
1.77 +#define SK_MacEventSinkIDParamName FOUR_CHAR_CODE('SKes')
1.78 +
1.79 +static void set_bindingside(HISideBinding* side, HIViewRef parent, HIBindingKind kind) {
1.80 + side->toView = parent;
1.81 + side->kind = kind;
1.82 + side->offset = 0;
1.83 +}
1.84 +
1.85 +static void set_axisscale(HIAxisScale* axis, HIViewRef parent) {
1.86 + axis->toView = parent;
1.87 + axis->kind = kHILayoutScaleAbsolute;
1.88 + axis->ratio = 1;
1.89 +}
1.90 +
1.91 +static void set_axisposition(HIAxisPosition* pos, HIViewRef parent, HIPositionKind kind) {
1.92 + pos->toView = parent;
1.93 + pos->kind = kind;
1.94 + pos->offset = 0;
1.95 +}
1.96 +
1.97 +SkOSWindow::SkOSWindow(void* hWnd) : fHWND(hWnd), fAGLCtx(NULL)
1.98 +{
1.99 + OSStatus result;
1.100 + WindowRef wr = (WindowRef)hWnd;
1.101 +
1.102 + HIViewRef imageView, parent;
1.103 + HIViewRef rootView = HIViewGetRoot(wr);
1.104 + HIViewFindByID(rootView, kHIViewWindowContentID, &parent);
1.105 + result = HIImageViewCreate(NULL, &imageView);
1.106 + SkASSERT(result == noErr);
1.107 +
1.108 + result = HIViewAddSubview(parent, imageView);
1.109 + SkASSERT(result == noErr);
1.110 +
1.111 + fHVIEW = imageView;
1.112 +
1.113 + HIViewSetVisible(imageView, true);
1.114 + HIViewPlaceInSuperviewAt(imageView, 0, 0);
1.115 +
1.116 + if (true) {
1.117 + HILayoutInfo layout;
1.118 + layout.version = kHILayoutInfoVersionZero;
1.119 + set_bindingside(&layout.binding.left, parent, kHILayoutBindLeft);
1.120 + set_bindingside(&layout.binding.top, parent, kHILayoutBindTop);
1.121 + set_bindingside(&layout.binding.right, parent, kHILayoutBindRight);
1.122 + set_bindingside(&layout.binding.bottom, parent, kHILayoutBindBottom);
1.123 + set_axisscale(&layout.scale.x, parent);
1.124 + set_axisscale(&layout.scale.y, parent);
1.125 + set_axisposition(&layout.position.x, parent, kHILayoutPositionLeft);
1.126 + set_axisposition(&layout.position.y, rootView, kHILayoutPositionTop);
1.127 + HIViewSetLayoutInfo(imageView, &layout);
1.128 + }
1.129 +
1.130 + HIImageViewSetOpaque(imageView, true);
1.131 + HIImageViewSetScaleToFit(imageView, false);
1.132 +
1.133 + static const EventTypeSpec gTypes[] = {
1.134 + { kEventClassKeyboard, kEventRawKeyDown },
1.135 + { kEventClassKeyboard, kEventRawKeyUp },
1.136 + { kEventClassMouse, kEventMouseDown },
1.137 + { kEventClassMouse, kEventMouseDragged },
1.138 + { kEventClassMouse, kEventMouseMoved },
1.139 + { kEventClassMouse, kEventMouseUp },
1.140 + { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
1.141 + { kEventClassWindow, kEventWindowBoundsChanged },
1.142 +// { kEventClassWindow, kEventWindowDrawContent },
1.143 + { SK_MacEventClass, SK_MacEventKind }
1.144 + };
1.145 +
1.146 + EventHandlerUPP handlerUPP = NewEventHandlerUPP(SkOSWindow::EventHandler);
1.147 + int count = SK_ARRAY_COUNT(gTypes);
1.148 +
1.149 + result = InstallEventHandler(GetWindowEventTarget(wr), handlerUPP,
1.150 + count, gTypes, this, nil);
1.151 + SkASSERT(result == noErr);
1.152 +
1.153 + gCurrOSWin = this;
1.154 + gCurrEventQ = GetCurrentEventQueue();
1.155 + gEventTarget = GetWindowEventTarget(wr);
1.156 +
1.157 + static bool gOnce = true;
1.158 + if (gOnce) {
1.159 + gOnce = false;
1.160 + gPrevNewHandler = set_new_handler(sk_new_handler);
1.161 + }
1.162 +}
1.163 +
1.164 +void SkOSWindow::doPaint(void* ctx)
1.165 +{
1.166 +#if 0
1.167 + this->update(NULL);
1.168 +
1.169 + const SkBitmap& bm = this->getBitmap();
1.170 + CGImageRef img = SkCreateCGImageRef(bm);
1.171 +
1.172 + if (img) {
1.173 + CGRect r = CGRectMake(0, 0, bm.width(), bm.height());
1.174 +
1.175 + CGContextRef cg = reinterpret_cast<CGContextRef>(ctx);
1.176 +
1.177 + CGContextSaveGState(cg);
1.178 + CGContextTranslateCTM(cg, 0, r.size.height);
1.179 + CGContextScaleCTM(cg, 1, -1);
1.180 +
1.181 + CGContextDrawImage(cg, r, img);
1.182 +
1.183 + CGContextRestoreGState(cg);
1.184 +
1.185 + CGImageRelease(img);
1.186 + }
1.187 +#endif
1.188 +}
1.189 +
1.190 +void SkOSWindow::updateSize()
1.191 +{
1.192 + Rect r;
1.193 +
1.194 + GetWindowBounds((WindowRef)fHWND, kWindowContentRgn, &r);
1.195 + this->resize(r.right - r.left, r.bottom - r.top);
1.196 +
1.197 +#if 0
1.198 + HIRect frame;
1.199 + HIViewRef imageView = (HIViewRef)getHVIEW();
1.200 + HIViewRef parent = HIViewGetSuperview(imageView);
1.201 +
1.202 + HIViewGetBounds(imageView, &frame);
1.203 + SkDebugf("------ %d bounds %g %g %g %g\n", r.right - r.left,
1.204 + frame.origin.x, frame.origin.y, frame.size.width, frame.size.height);
1.205 +#endif
1.206 +}
1.207 +
1.208 +void SkOSWindow::onHandleInval(const SkIRect& r)
1.209 +{
1.210 + (new SkEvent("inval-imageview", this->getSinkID()))->post();
1.211 +}
1.212 +
1.213 +bool SkOSWindow::onEvent(const SkEvent& evt) {
1.214 + if (evt.isType("inval-imageview")) {
1.215 + this->update(NULL);
1.216 +
1.217 + SkEvent query("ignore-window-bitmap");
1.218 + if (!this->doQuery(&query) || !query.getFast32()) {
1.219 + const SkBitmap& bm = this->getBitmap();
1.220 +
1.221 + CGImageRef img = SkCreateCGImageRef(bm);
1.222 + HIImageViewSetImage((HIViewRef)getHVIEW(), img);
1.223 + CGImageRelease(img);
1.224 + }
1.225 + return true;
1.226 + }
1.227 + return INHERITED::onEvent(evt);
1.228 +}
1.229 +
1.230 +void SkOSWindow::onSetTitle(const char title[])
1.231 +{
1.232 + CFStringRef str = CFStringCreateWithCString(NULL, title, kCFStringEncodingUTF8);
1.233 + SetWindowTitleWithCFString((WindowRef)fHWND, str);
1.234 + CFRelease(str);
1.235 +}
1.236 +
1.237 +void SkOSWindow::onAddMenu(const SkOSMenu* sk_menu)
1.238 +{
1.239 +}
1.240 +
1.241 +static void getparam(EventRef inEvent, OSType name, OSType type, UInt32 size, void* data)
1.242 +{
1.243 + EventParamType actualType;
1.244 + UInt32 actualSize;
1.245 + OSStatus status;
1.246 +
1.247 + status = GetEventParameter(inEvent, name, type, &actualType, size, &actualSize, data);
1.248 + SkASSERT(status == noErr);
1.249 + SkASSERT(actualType == type);
1.250 + SkASSERT(actualSize == size);
1.251 +}
1.252 +
1.253 +enum {
1.254 + SK_MacReturnKey = 36,
1.255 + SK_MacDeleteKey = 51,
1.256 + SK_MacEndKey = 119,
1.257 + SK_MacLeftKey = 123,
1.258 + SK_MacRightKey = 124,
1.259 + SK_MacDownKey = 125,
1.260 + SK_MacUpKey = 126,
1.261 +
1.262 + SK_Mac0Key = 0x52,
1.263 + SK_Mac1Key = 0x53,
1.264 + SK_Mac2Key = 0x54,
1.265 + SK_Mac3Key = 0x55,
1.266 + SK_Mac4Key = 0x56,
1.267 + SK_Mac5Key = 0x57,
1.268 + SK_Mac6Key = 0x58,
1.269 + SK_Mac7Key = 0x59,
1.270 + SK_Mac8Key = 0x5b,
1.271 + SK_Mac9Key = 0x5c
1.272 +};
1.273 +
1.274 +static SkKey raw2key(UInt32 raw)
1.275 +{
1.276 + static const struct {
1.277 + UInt32 fRaw;
1.278 + SkKey fKey;
1.279 + } gKeys[] = {
1.280 + { SK_MacUpKey, kUp_SkKey },
1.281 + { SK_MacDownKey, kDown_SkKey },
1.282 + { SK_MacLeftKey, kLeft_SkKey },
1.283 + { SK_MacRightKey, kRight_SkKey },
1.284 + { SK_MacReturnKey, kOK_SkKey },
1.285 + { SK_MacDeleteKey, kBack_SkKey },
1.286 + { SK_MacEndKey, kEnd_SkKey },
1.287 + { SK_Mac0Key, k0_SkKey },
1.288 + { SK_Mac1Key, k1_SkKey },
1.289 + { SK_Mac2Key, k2_SkKey },
1.290 + { SK_Mac3Key, k3_SkKey },
1.291 + { SK_Mac4Key, k4_SkKey },
1.292 + { SK_Mac5Key, k5_SkKey },
1.293 + { SK_Mac6Key, k6_SkKey },
1.294 + { SK_Mac7Key, k7_SkKey },
1.295 + { SK_Mac8Key, k8_SkKey },
1.296 + { SK_Mac9Key, k9_SkKey }
1.297 + };
1.298 +
1.299 + for (unsigned i = 0; i < SK_ARRAY_COUNT(gKeys); i++)
1.300 + if (gKeys[i].fRaw == raw)
1.301 + return gKeys[i].fKey;
1.302 + return kNONE_SkKey;
1.303 +}
1.304 +
1.305 +static void post_skmacevent()
1.306 +{
1.307 + EventRef ref;
1.308 + OSStatus status = CreateEvent(nil, SK_MacEventClass, SK_MacEventKind, 0, 0, &ref);
1.309 + SkASSERT(status == noErr);
1.310 +
1.311 +#if 0
1.312 + status = SetEventParameter(ref, SK_MacEventParamName, SK_MacEventParamName, sizeof(evt), &evt);
1.313 + SkASSERT(status == noErr);
1.314 + status = SetEventParameter(ref, SK_MacEventSinkIDParamName, SK_MacEventSinkIDParamName, sizeof(sinkID), &sinkID);
1.315 + SkASSERT(status == noErr);
1.316 +#endif
1.317 +
1.318 + EventTargetRef target = gEventTarget;
1.319 + SetEventParameter(ref, kEventParamPostTarget, typeEventTargetRef, sizeof(target), &target);
1.320 + SkASSERT(status == noErr);
1.321 +
1.322 + status = PostEventToQueue(gCurrEventQ, ref, kEventPriorityStandard);
1.323 + SkASSERT(status == noErr);
1.324 +
1.325 + ReleaseEvent(ref);
1.326 +}
1.327 +
1.328 +pascal OSStatus SkOSWindow::EventHandler( EventHandlerCallRef inHandler, EventRef inEvent, void* userData )
1.329 +{
1.330 + SkOSWindow* win = (SkOSWindow*)userData;
1.331 + OSStatus result = eventNotHandledErr;
1.332 + UInt32 wClass = GetEventClass(inEvent);
1.333 + UInt32 wKind = GetEventKind(inEvent);
1.334 +
1.335 + gCurrOSWin = win; // will need to be in TLS. Set this so PostEvent will work
1.336 +
1.337 + switch (wClass) {
1.338 + case kEventClassMouse: {
1.339 + Point pt;
1.340 + getparam(inEvent, kEventParamMouseLocation, typeQDPoint, sizeof(pt), &pt);
1.341 + SetPortWindowPort((WindowRef)win->getHWND());
1.342 + GlobalToLocal(&pt);
1.343 +
1.344 + switch (wKind) {
1.345 + case kEventMouseDown:
1.346 + if (win->handleClick(pt.h, pt.v, Click::kDown_State)) {
1.347 + result = noErr;
1.348 + }
1.349 + break;
1.350 + case kEventMouseMoved:
1.351 + // fall through
1.352 + case kEventMouseDragged:
1.353 + (void)win->handleClick(pt.h, pt.v, Click::kMoved_State);
1.354 + // result = noErr;
1.355 + break;
1.356 + case kEventMouseUp:
1.357 + (void)win->handleClick(pt.h, pt.v, Click::kUp_State);
1.358 + // result = noErr;
1.359 + break;
1.360 + default:
1.361 + break;
1.362 + }
1.363 + break;
1.364 + }
1.365 + case kEventClassKeyboard:
1.366 + if (wKind == kEventRawKeyDown) {
1.367 + UInt32 raw;
1.368 + getparam(inEvent, kEventParamKeyCode, typeUInt32, sizeof(raw), &raw);
1.369 + SkKey key = raw2key(raw);
1.370 + if (key != kNONE_SkKey)
1.371 + (void)win->handleKey(key);
1.372 + } else if (wKind == kEventRawKeyUp) {
1.373 + UInt32 raw;
1.374 + getparam(inEvent, kEventParamKeyCode, typeUInt32, sizeof(raw), &raw);
1.375 + SkKey key = raw2key(raw);
1.376 + if (key != kNONE_SkKey)
1.377 + (void)win->handleKeyUp(key);
1.378 + }
1.379 + break;
1.380 + case kEventClassTextInput:
1.381 + if (wKind == kEventTextInputUnicodeForKeyEvent) {
1.382 + UInt16 uni;
1.383 + getparam(inEvent, kEventParamTextInputSendText, typeUnicodeText, sizeof(uni), &uni);
1.384 + win->handleChar(uni);
1.385 + }
1.386 + break;
1.387 + case kEventClassWindow:
1.388 + switch (wKind) {
1.389 + case kEventWindowBoundsChanged:
1.390 + win->updateSize();
1.391 + break;
1.392 + case kEventWindowDrawContent: {
1.393 + CGContextRef cg;
1.394 + result = GetEventParameter(inEvent,
1.395 + kEventParamCGContextRef,
1.396 + typeCGContextRef,
1.397 + NULL,
1.398 + sizeof (CGContextRef),
1.399 + NULL,
1.400 + &cg);
1.401 + if (result != 0) {
1.402 + cg = NULL;
1.403 + }
1.404 + win->doPaint(cg);
1.405 + break;
1.406 + }
1.407 + default:
1.408 + break;
1.409 + }
1.410 + break;
1.411 + case SK_MacEventClass: {
1.412 + SkASSERT(wKind == SK_MacEventKind);
1.413 + if (SkEvent::ProcessEvent()) {
1.414 + post_skmacevent();
1.415 + }
1.416 + #if 0
1.417 + SkEvent* evt;
1.418 + SkEventSinkID sinkID;
1.419 + getparam(inEvent, SK_MacEventParamName, SK_MacEventParamName, sizeof(evt), &evt);
1.420 + getparam(inEvent, SK_MacEventSinkIDParamName, SK_MacEventSinkIDParamName, sizeof(sinkID), &sinkID);
1.421 + #endif
1.422 + result = noErr;
1.423 + break;
1.424 + }
1.425 + default:
1.426 + break;
1.427 + }
1.428 + if (result == eventNotHandledErr) {
1.429 + result = CallNextEventHandler(inHandler, inEvent);
1.430 + }
1.431 + return result;
1.432 +}
1.433 +
1.434 +///////////////////////////////////////////////////////////////////////////////////////
1.435 +
1.436 +void SkEvent::SignalNonEmptyQueue()
1.437 +{
1.438 + post_skmacevent();
1.439 +// SkDebugf("signal nonempty\n");
1.440 +}
1.441 +
1.442 +static TMTask gTMTaskRec;
1.443 +static TMTask* gTMTaskPtr;
1.444 +
1.445 +static void sk_timer_proc(TMTask* rec)
1.446 +{
1.447 + SkEvent::ServiceQueueTimer();
1.448 +// SkDebugf("timer task fired\n");
1.449 +}
1.450 +
1.451 +void SkEvent::SignalQueueTimer(SkMSec delay)
1.452 +{
1.453 + if (gTMTaskPtr)
1.454 + {
1.455 + RemoveTimeTask((QElem*)gTMTaskPtr);
1.456 + DisposeTimerUPP(gTMTaskPtr->tmAddr);
1.457 + gTMTaskPtr = nil;
1.458 + }
1.459 + if (delay)
1.460 + {
1.461 + gTMTaskPtr = &gTMTaskRec;
1.462 + memset(gTMTaskPtr, 0, sizeof(gTMTaskRec));
1.463 + gTMTaskPtr->tmAddr = NewTimerUPP(sk_timer_proc);
1.464 + OSErr err = InstallTimeTask((QElem*)gTMTaskPtr);
1.465 +// SkDebugf("installtimetask of %d returned %d\n", delay, err);
1.466 + PrimeTimeTask((QElem*)gTMTaskPtr, delay);
1.467 + }
1.468 +}
1.469 +
1.470 +#define USE_MSAA 0
1.471 +
1.472 +AGLContext create_gl(WindowRef wref)
1.473 +{
1.474 + GLint major, minor;
1.475 + AGLContext ctx;
1.476 +
1.477 + aglGetVersion(&major, &minor);
1.478 + SkDebugf("---- agl version %d %d\n", major, minor);
1.479 +
1.480 + const GLint pixelAttrs[] = {
1.481 + AGL_RGBA,
1.482 + AGL_STENCIL_SIZE, 8,
1.483 +#if USE_MSAA
1.484 + AGL_SAMPLE_BUFFERS_ARB, 1,
1.485 + AGL_MULTISAMPLE,
1.486 + AGL_SAMPLES_ARB, 8,
1.487 +#endif
1.488 + AGL_ACCELERATED,
1.489 + AGL_DOUBLEBUFFER,
1.490 + AGL_NONE
1.491 + };
1.492 + AGLPixelFormat format = aglChoosePixelFormat(NULL, 0, pixelAttrs);
1.493 + //AGLPixelFormat format = aglCreatePixelFormat(pixelAttrs);
1.494 + SkDebugf("----- agl format %p\n", format);
1.495 + ctx = aglCreateContext(format, NULL);
1.496 + SkDebugf("----- agl context %p\n", ctx);
1.497 + aglDestroyPixelFormat(format);
1.498 +
1.499 + static const GLint interval = 1;
1.500 + aglSetInteger(ctx, AGL_SWAP_INTERVAL, &interval);
1.501 + aglSetCurrentContext(ctx);
1.502 + return ctx;
1.503 +}
1.504 +
1.505 +bool SkOSWindow::attach(SkBackEndTypes /* attachType */)
1.506 +{
1.507 + if (NULL == fAGLCtx) {
1.508 + fAGLCtx = create_gl((WindowRef)fHWND);
1.509 + if (NULL == fAGLCtx) {
1.510 + return false;
1.511 + }
1.512 + }
1.513 +
1.514 + GLboolean success = true;
1.515 +
1.516 + int width, height;
1.517 +
1.518 + success = aglSetWindowRef((AGLContext)fAGLCtx, (WindowRef)fHWND);
1.519 + width = this->width();
1.520 + height = this->height();
1.521 +
1.522 + GLenum err = aglGetError();
1.523 + if (err) {
1.524 + SkDebugf("---- aglSetWindowRef %d %d %s [%d %d]\n", success, err,
1.525 + aglErrorString(err), width, height);
1.526 + }
1.527 +
1.528 + if (success) {
1.529 + glViewport(0, 0, width, height);
1.530 + glClearColor(0, 0, 0, 0);
1.531 + glClearStencil(0);
1.532 + glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
1.533 + }
1.534 + return success;
1.535 +}
1.536 +
1.537 +void SkOSWindow::detach() {
1.538 + aglSetWindowRef((AGLContext)fAGLCtx, NULL);
1.539 +}
1.540 +
1.541 +void SkOSWindow::present() {
1.542 + aglSwapBuffers((AGLContext)fAGLCtx);
1.543 +}
1.544 +
1.545 +#endif
