first cut at event-based test app
git-svn-id: http://skia.googlecode.com/svn/trunk@37 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/mac/SkOSWindow_Mac.cpp b/src/utils/mac/SkOSWindow_Mac.cpp
new file mode 100644
index 0000000..2c93721
--- /dev/null
+++ b/src/utils/mac/SkOSWindow_Mac.cpp
@@ -0,0 +1,451 @@
+#include "SkTypes.h"
+
+#if defined(SK_BUILD_FOR_MAC) && !defined(SK_USE_WXWIDGETS)
+
+#include <Carbon/Carbon.h>
+#include "SkCGUtils.h"
+
+#include "SkWindow.h"
+#include "SkCanvas.h"
+#include "SkOSMenu.h"
+#include "SkTime.h"
+
+#include "SkGraphics.h"
+#include <new.h>
+
+static void (*gPrevNewHandler)();
+
+extern "C" {
+ static void sk_new_handler()
+ {
+ if (SkGraphics::SetFontCacheUsed(0))
+ return;
+ if (gPrevNewHandler)
+ gPrevNewHandler();
+ else
+ sk_throw();
+ }
+}
+
+static SkOSWindow* gCurrOSWin;
+static EventTargetRef gEventTarget;
+static EventQueueRef gCurrEventQ;
+
+static OSStatus MyDrawEventHandler(EventHandlerCallRef myHandler,
+ EventRef event, void *userData) {
+ // NOTE: GState is save/restored by the HIView system doing the callback,
+ // so the draw handler doesn't need to do it
+
+ OSStatus status = noErr;
+ CGContextRef context;
+ HIRect bounds;
+
+ // Get the CGContextRef
+ status = GetEventParameter (event, kEventParamCGContextRef,
+ typeCGContextRef, NULL,
+ sizeof (CGContextRef),
+ NULL,
+ &context);
+
+ if (status != noErr) {
+ SkDebugf("Got error %d getting the context!\n", status);
+ return status;
+ }
+
+ // Get the bounding rectangle
+ HIViewGetBounds ((HIViewRef) userData, &bounds);
+
+ gCurrOSWin->doPaint(context);
+ return status;
+}
+
+#define SK_MacEventClass FOUR_CHAR_CODE('SKec')
+#define SK_MacEventKind FOUR_CHAR_CODE('SKek')
+#define SK_MacEventParamName FOUR_CHAR_CODE('SKev')
+#define SK_MacEventSinkIDParamName FOUR_CHAR_CODE('SKes')
+
+static void set_bindingside(HISideBinding* side, HIViewRef parent, HIBindingKind kind) {
+ side->toView = parent;
+ side->kind = kind;
+ side->offset = 0;
+}
+
+static void set_axisscale(HIAxisScale* axis, HIViewRef parent) {
+ axis->toView = parent;
+ axis->kind = kHILayoutScaleAbsolute;
+ axis->ratio = 1;
+}
+
+static void set_axisposition(HIAxisPosition* pos, HIViewRef parent, HIPositionKind kind) {
+ pos->toView = parent;
+ pos->kind = kind;
+ pos->offset = 0;
+}
+
+SkOSWindow::SkOSWindow(void* hWnd) : fHWND(hWnd)
+{
+ OSStatus result;
+ WindowRef wr = (WindowRef)hWnd;
+
+ HIViewRef imageView, parent;
+ HIViewRef rootView = HIViewGetRoot(wr);
+ HIViewFindByID(rootView, kHIViewWindowContentID, &parent);
+ result = HIImageViewCreate(NULL, &imageView);
+ SkASSERT(result == noErr);
+
+ result = HIViewAddSubview(parent, imageView);
+ SkASSERT(result == noErr);
+
+ fHVIEW = imageView;
+
+ HIViewSetVisible(imageView, true);
+ HIViewPlaceInSuperviewAt(imageView, 0, 0);
+
+ if (true) {
+ HILayoutInfo layout;
+ layout.version = kHILayoutInfoVersionZero;
+ set_bindingside(&layout.binding.left, parent, kHILayoutBindLeft);
+ set_bindingside(&layout.binding.top, parent, kHILayoutBindTop);
+ set_bindingside(&layout.binding.right, parent, kHILayoutBindRight);
+ set_bindingside(&layout.binding.bottom, parent, kHILayoutBindBottom);
+ set_axisscale(&layout.scale.x, parent);
+ set_axisscale(&layout.scale.y, parent);
+ set_axisposition(&layout.position.x, parent, kHILayoutPositionLeft);
+ set_axisposition(&layout.position.y, rootView, kHILayoutPositionTop);
+ HIViewSetLayoutInfo(imageView, &layout);
+ }
+
+ HIImageViewSetOpaque(imageView, true);
+ HIImageViewSetScaleToFit(imageView, false);
+
+ static const EventTypeSpec gTypes[] = {
+ { kEventClassKeyboard, kEventRawKeyDown },
+ { kEventClassKeyboard, kEventRawKeyUp },
+ { kEventClassMouse, kEventMouseDown },
+ { kEventClassMouse, kEventMouseDragged },
+ { kEventClassMouse, kEventMouseUp },
+ { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
+ { kEventClassWindow, kEventWindowBoundsChanged },
+// { kEventClassWindow, kEventWindowDrawContent },
+ { SK_MacEventClass, SK_MacEventKind }
+ };
+
+ EventHandlerUPP handlerUPP = NewEventHandlerUPP(SkOSWindow::EventHandler);
+ int count = SK_ARRAY_COUNT(gTypes);
+
+ result = InstallEventHandler(GetWindowEventTarget(wr), handlerUPP,
+ count, gTypes, this, nil);
+ SkASSERT(result == noErr);
+
+ gCurrOSWin = this;
+ gCurrEventQ = GetCurrentEventQueue();
+ gEventTarget = GetWindowEventTarget(wr);
+
+ static bool gOnce = true;
+ if (gOnce) {
+ gOnce = false;
+ gPrevNewHandler = set_new_handler(sk_new_handler);
+ }
+}
+
+void SkOSWindow::doPaint(void* ctx)
+{
+#if 0
+ this->update(NULL);
+
+ const SkBitmap& bm = this->getBitmap();
+ CGImageRef img = SkCreateCGImageRef(bm);
+
+ if (img) {
+ CGRect r = CGRectMake(0, 0, bm.width(), bm.height());
+
+ CGContextRef cg = reinterpret_cast<CGContextRef>(ctx);
+
+ CGContextSaveGState(cg);
+ CGContextTranslateCTM(cg, 0, r.size.height);
+ CGContextScaleCTM(cg, 1, -1);
+
+ CGContextDrawImage(cg, r, img);
+
+ CGContextRestoreGState(cg);
+
+ CGImageRelease(img);
+ }
+#endif
+}
+
+void SkOSWindow::updateSize()
+{
+ Rect r;
+
+ GetWindowBounds((WindowRef)fHWND, kWindowContentRgn, &r);
+ this->resize(r.right - r.left, r.bottom - r.top);
+
+#if 0
+ HIRect frame;
+ HIViewRef imageView = (HIViewRef)getHVIEW();
+ HIViewRef parent = HIViewGetSuperview(imageView);
+
+ HIViewGetBounds(imageView, &frame);
+ SkDebugf("------ %d bounds %g %g %g %g\n", r.right - r.left,
+ frame.origin.x, frame.origin.y, frame.size.width, frame.size.height);
+#endif
+}
+
+void SkOSWindow::onHandleInval(const SkIRect& r)
+{
+ SkEvent* evt = new SkEvent("inval-imageview");
+ evt->post(this->getSinkID());
+}
+
+bool SkOSWindow::onEvent(const SkEvent& evt) {
+ if (evt.isType("inval-imageview")) {
+ this->update(NULL);
+
+ const SkBitmap& bm = this->getBitmap();
+ SkDebugf("------ bitmap %d %d\n", bm.width(), bm.height());
+
+ CGImageRef img = SkCreateCGImageRef(bm);
+ HIImageViewSetImage((HIViewRef)getHVIEW(), img);
+ CGImageRelease(img);
+ return true;
+ }
+ return INHERITED::onEvent(evt);
+}
+
+void SkOSWindow::onSetTitle(const char title[])
+{
+ CFStringRef str = CFStringCreateWithCString(NULL, title, kCFStringEncodingUTF8);
+ SetWindowTitleWithCFString((WindowRef)fHWND, str);
+ CFRelease(str);
+}
+
+void SkOSWindow::onAddMenu(const SkOSMenu* sk_menu)
+{
+}
+
+static void getparam(EventRef inEvent, OSType name, OSType type, UInt32 size, void* data)
+{
+ EventParamType actualType;
+ UInt32 actualSize;
+ OSStatus status;
+
+ status = GetEventParameter(inEvent, name, type, &actualType, size, &actualSize, data);
+ SkASSERT(status == noErr);
+ SkASSERT(actualType == type);
+ SkASSERT(actualSize == size);
+}
+
+enum {
+ SK_MacReturnKey = 36,
+ SK_MacDeleteKey = 51,
+ SK_MacEndKey = 119,
+ SK_MacLeftKey = 123,
+ SK_MacRightKey = 124,
+ SK_MacDownKey = 125,
+ SK_MacUpKey = 126,
+
+ SK_Mac0Key = 0x52,
+ SK_Mac1Key = 0x53,
+ SK_Mac2Key = 0x54,
+ SK_Mac3Key = 0x55,
+ SK_Mac4Key = 0x56,
+ SK_Mac5Key = 0x57,
+ SK_Mac6Key = 0x58,
+ SK_Mac7Key = 0x59,
+ SK_Mac8Key = 0x5b,
+ SK_Mac9Key = 0x5c
+};
+
+static SkKey raw2key(UInt32 raw)
+{
+ static const struct {
+ UInt32 fRaw;
+ SkKey fKey;
+ } gKeys[] = {
+ { SK_MacUpKey, kUp_SkKey },
+ { SK_MacDownKey, kDown_SkKey },
+ { SK_MacLeftKey, kLeft_SkKey },
+ { SK_MacRightKey, kRight_SkKey },
+ { SK_MacReturnKey, kOK_SkKey },
+ { SK_MacDeleteKey, kBack_SkKey },
+ { SK_MacEndKey, kEnd_SkKey },
+ { SK_Mac0Key, k0_SkKey },
+ { SK_Mac1Key, k1_SkKey },
+ { SK_Mac2Key, k2_SkKey },
+ { SK_Mac3Key, k3_SkKey },
+ { SK_Mac4Key, k4_SkKey },
+ { SK_Mac5Key, k5_SkKey },
+ { SK_Mac6Key, k6_SkKey },
+ { SK_Mac7Key, k7_SkKey },
+ { SK_Mac8Key, k8_SkKey },
+ { SK_Mac9Key, k9_SkKey }
+ };
+
+ for (unsigned i = 0; i < SK_ARRAY_COUNT(gKeys); i++)
+ if (gKeys[i].fRaw == raw)
+ return gKeys[i].fKey;
+ return kNONE_SkKey;
+}
+
+static void post_skmacevent()
+{
+ EventRef ref;
+ OSStatus status = CreateEvent(nil, SK_MacEventClass, SK_MacEventKind, 0, 0, &ref);
+ SkASSERT(status == noErr);
+
+#if 0
+ status = SetEventParameter(ref, SK_MacEventParamName, SK_MacEventParamName, sizeof(evt), &evt);
+ SkASSERT(status == noErr);
+ status = SetEventParameter(ref, SK_MacEventSinkIDParamName, SK_MacEventSinkIDParamName, sizeof(sinkID), &sinkID);
+ SkASSERT(status == noErr);
+#endif
+
+ EventTargetRef target = gEventTarget;
+ SetEventParameter(ref, kEventParamPostTarget, typeEventTargetRef, sizeof(target), &target);
+ SkASSERT(status == noErr);
+
+ status = PostEventToQueue(gCurrEventQ, ref, kEventPriorityStandard);
+ SkASSERT(status == noErr);
+
+ ReleaseEvent(ref);
+}
+
+pascal OSStatus SkOSWindow::EventHandler( EventHandlerCallRef inHandler, EventRef inEvent, void* userData )
+{
+ SkOSWindow* win = (SkOSWindow*)userData;
+ OSStatus result = eventNotHandledErr;
+ UInt32 wClass = GetEventClass(inEvent);
+ UInt32 wKind = GetEventKind(inEvent);
+
+ gCurrOSWin = win; // will need to be in TLS. Set this so PostEvent will work
+
+ switch (wClass) {
+ case kEventClassMouse: {
+ Point pt;
+ getparam(inEvent, kEventParamMouseLocation, typeQDPoint, sizeof(pt), &pt);
+ SetPortWindowPort((WindowRef)win->getHWND());
+ GlobalToLocal(&pt);
+
+ switch (wKind) {
+ case kEventMouseDown:
+ (void)win->handleClick(pt.h, pt.v, Click::kDown_State);
+ break;
+ case kEventMouseDragged:
+ (void)win->handleClick(pt.h, pt.v, Click::kMoved_State);
+ break;
+ case kEventMouseUp:
+ (void)win->handleClick(pt.h, pt.v, Click::kUp_State);
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ case kEventClassKeyboard:
+ if (wKind == kEventRawKeyDown) {
+ UInt32 raw;
+ getparam(inEvent, kEventParamKeyCode, typeUInt32, sizeof(raw), &raw);
+ SkKey key = raw2key(raw);
+ if (key != kNONE_SkKey)
+ (void)win->handleKey(key);
+ } else if (wKind == kEventRawKeyUp) {
+ UInt32 raw;
+ getparam(inEvent, kEventParamKeyCode, typeUInt32, sizeof(raw), &raw);
+ SkKey key = raw2key(raw);
+ if (key != kNONE_SkKey)
+ (void)win->handleKeyUp(key);
+ }
+ break;
+ case kEventClassTextInput:
+ if (wKind == kEventTextInputUnicodeForKeyEvent) {
+ UInt16 uni;
+ getparam(inEvent, kEventParamTextInputSendText, typeUnicodeText, sizeof(uni), &uni);
+ win->handleChar(uni);
+ }
+ break;
+ case kEventClassWindow:
+ switch (wKind) {
+ case kEventWindowBoundsChanged:
+ win->updateSize();
+ break;
+ case kEventWindowDrawContent: {
+ CGContextRef cg;
+ result = GetEventParameter(inEvent,
+ kEventParamCGContextRef,
+ typeCGContextRef,
+ NULL,
+ sizeof (CGContextRef),
+ NULL,
+ &cg);
+ if (result != 0) {
+ cg = NULL;
+ }
+ win->doPaint(cg);
+ break;
+ }
+ default:
+ break;
+ }
+ break;
+ case SK_MacEventClass: {
+ SkASSERT(wKind == SK_MacEventKind);
+ if (SkEvent::ProcessEvent()) {
+ post_skmacevent();
+ }
+ #if 0
+ SkEvent* evt;
+ SkEventSinkID sinkID;
+ getparam(inEvent, SK_MacEventParamName, SK_MacEventParamName, sizeof(evt), &evt);
+ getparam(inEvent, SK_MacEventSinkIDParamName, SK_MacEventSinkIDParamName, sizeof(sinkID), &sinkID);
+ #endif
+ result = noErr;
+ break;
+ }
+ default:
+ break;
+ }
+ if (result == eventNotHandledErr) {
+ result = CallNextEventHandler(inHandler, inEvent);
+ }
+ return result;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////
+
+void SkEvent::SignalNonEmptyQueue()
+{
+ post_skmacevent();
+// SkDebugf("signal nonempty\n");
+}
+
+static TMTask gTMTaskRec;
+static TMTask* gTMTaskPtr;
+
+static void sk_timer_proc(TMTask* rec)
+{
+ SkEvent::ServiceQueueTimer();
+// SkDebugf("timer task fired\n");
+}
+
+void SkEvent::SignalQueueTimer(SkMSec delay)
+{
+ if (gTMTaskPtr)
+ {
+ RemoveTimeTask((QElem*)gTMTaskPtr);
+ DisposeTimerUPP(gTMTaskPtr->tmAddr);
+ gTMTaskPtr = nil;
+ }
+ if (delay)
+ {
+ gTMTaskPtr = &gTMTaskRec;
+ memset(gTMTaskPtr, 0, sizeof(gTMTaskRec));
+ gTMTaskPtr->tmAddr = NewTimerUPP(sk_timer_proc);
+ OSErr err = InstallTimeTask((QElem*)gTMTaskPtr);
+// SkDebugf("installtimetask of %d returned %d\n", delay, err);
+ PrimeTimeTask((QElem*)gTMTaskPtr, delay);
+ }
+}
+
+#endif
+