diff options
Diffstat (limited to 'src/mac.m')
| -rw-r--r-- | src/mac.m | 1450 |
1 files changed, 1450 insertions, 0 deletions
diff --git a/src/mac.m b/src/mac.m new file mode 100644 index 0000000..3d1fba2 --- /dev/null +++ b/src/mac.m @@ -0,0 +1,1450 @@ +/* + Copyright 2012-2020 David Robillard <d@drobilla.net> + Copyright 2017 Hanspeter Portner <dev@open-music-kontrollers.ch> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + @file mac.m + @brief MacOS implementation. +*/ + +#define GL_SILENCE_DEPRECATION 1 + +#include "mac.h" + +#include "implementation.h" + +#include "pugl/pugl.h" + +#import <Cocoa/Cocoa.h> + +#include <mach/mach_time.h> + +#include <stdlib.h> + +#ifndef __MAC_10_10 +typedef NSUInteger NSEventModifierFlags; +#endif + +#ifndef __MAC_10_12 +typedef NSUInteger NSWindowStyleMask; +#endif + +static NSRect +rectToScreen(NSScreen* screen, NSRect rect) +{ + const double screenHeight = [screen frame].size.height; + + rect.origin.y = screenHeight - rect.origin.y - rect.size.height; + return rect; +} + +static NSScreen* +viewScreen(PuglView* view) +{ + return view->impl->window ? [view->impl->window screen] : [NSScreen mainScreen]; +} + +static NSRect +nsRectToPoints(PuglView* view, const NSRect rect) +{ + const double scaleFactor = [viewScreen(view) backingScaleFactor]; + + return NSMakeRect(rect.origin.x / scaleFactor, + rect.origin.y / scaleFactor, + rect.size.width / scaleFactor, + rect.size.height / scaleFactor); +} + +static NSRect +nsRectFromPoints(PuglView* view, const NSRect rect) +{ + const double scaleFactor = [viewScreen(view) backingScaleFactor]; + + return NSMakeRect(rect.origin.x * scaleFactor, + rect.origin.y * scaleFactor, + rect.size.width * scaleFactor, + rect.size.height * scaleFactor); +} + +static NSPoint +nsPointFromPoints(PuglView* view, const NSPoint point) +{ + const double scaleFactor = [viewScreen(view) backingScaleFactor]; + + return NSMakePoint(point.x * scaleFactor, point.y * scaleFactor); +} + +static NSRect +rectToNsRect(const PuglRect rect) +{ + return NSMakeRect(rect.x, rect.y, rect.width, rect.height); +} + +static NSSize +sizePoints(PuglView* view, const double width, const double height) +{ + const double scaleFactor = [viewScreen(view) backingScaleFactor]; + + return NSMakeSize(width / scaleFactor, height / scaleFactor); +} + +static void +updateViewRect(PuglView* view) +{ + NSWindow* const window = view->impl->window; + if (window) { + const NSRect screenFramePt = [[NSScreen mainScreen] frame]; + const NSRect screenFramePx = nsRectFromPoints(view, screenFramePt); + const NSRect framePt = [window frame]; + const NSRect contentPt = [window contentRectForFrameRect:framePt]; + const NSRect contentPx = nsRectFromPoints(view, contentPt); + const double screenHeight = screenFramePx.size.height; + + view->frame.x = contentPx.origin.x; + view->frame.y = screenHeight - contentPx.origin.y - contentPx.size.height; + view->frame.width = contentPx.size.width; + view->frame.height = contentPx.size.height; + } +} + +@implementation PuglWindow +{ +@public + PuglView* puglview; +} + +- (id)initWithContentRect:(NSRect)contentRect + styleMask:(NSWindowStyleMask)aStyle + backing:(NSBackingStoreType)bufferingType + defer:(BOOL)flag +{ + (void)flag; + + NSWindow* result = [super initWithContentRect:contentRect + styleMask:aStyle + backing:bufferingType + defer:NO]; + + [result setAcceptsMouseMovedEvents:YES]; + return (PuglWindow*)result; +} + +- (void)setPuglview:(PuglView*)view +{ + puglview = view; + + [self + setContentSize:sizePoints(view, view->frame.width, view->frame.height)]; +} + +- (BOOL)canBecomeKeyWindow +{ + return YES; +} + +- (BOOL)canBecomeMainWindow +{ + return YES; +} + +- (void)setIsVisible:(BOOL)flag +{ + if (flag && !puglview->visible) { + const PuglEventConfigure ev = { + PUGL_CONFIGURE, + 0, + puglview->frame.x, + puglview->frame.y, + puglview->frame.width, + puglview->frame.height, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); + puglDispatchSimpleEvent(puglview, PUGL_MAP); + } else if (!flag && puglview->visible) { + puglDispatchSimpleEvent(puglview, PUGL_UNMAP); + } + + puglview->visible = flag; + + [super setIsVisible:flag]; +} + +@end + +@implementation PuglWrapperView +{ +@public + PuglView* puglview; + NSTrackingArea* trackingArea; + NSMutableAttributedString* markedText; + NSMutableDictionary* userTimers; + bool reshaped; +} + +- (void)dispatchExpose:(NSRect)rect +{ + const double scaleFactor = [[NSScreen mainScreen] backingScaleFactor]; + + if (reshaped) { + updateViewRect(puglview); + + const PuglEventConfigure ev = { + PUGL_CONFIGURE, + 0, + puglview->frame.x, + puglview->frame.y, + puglview->frame.width, + puglview->frame.height, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); + reshaped = false; + } + + if (![[puglview->impl->drawView window] isVisible]) { + return; + } + + const PuglEventExpose ev = { + PUGL_EXPOSE, + 0, + rect.origin.x * scaleFactor, + rect.origin.y * scaleFactor, + rect.size.width * scaleFactor, + rect.size.height * scaleFactor, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (NSSize)intrinsicContentSize +{ + if (puglview->defaultWidth || puglview->defaultHeight) { + return sizePoints(puglview, + puglview->defaultWidth, + puglview->defaultHeight); + } + + return NSMakeSize(NSViewNoInstrinsicMetric, NSViewNoInstrinsicMetric); +} + +- (BOOL)isFlipped +{ + return YES; +} + +- (BOOL)acceptsFirstResponder +{ + return YES; +} + +- (void)setReshaped +{ + reshaped = true; +} + +static uint32_t +getModifiers(const NSEvent* const ev) +{ + const NSEventModifierFlags modifierFlags = [ev modifierFlags]; + + return (((modifierFlags & NSShiftKeyMask) ? PUGL_MOD_SHIFT : 0) | + ((modifierFlags & NSControlKeyMask) ? PUGL_MOD_CTRL : 0) | + ((modifierFlags & NSAlternateKeyMask) ? PUGL_MOD_ALT : 0) | + ((modifierFlags & NSCommandKeyMask) ? PUGL_MOD_SUPER : 0)); +} + +static PuglKey +keySymToSpecial(const NSEvent* const ev) +{ + NSString* chars = [ev charactersIgnoringModifiers]; + if ([chars length] == 1) { + switch ([chars characterAtIndex:0]) { + case NSF1FunctionKey: return PUGL_KEY_F1; + case NSF2FunctionKey: return PUGL_KEY_F2; + case NSF3FunctionKey: return PUGL_KEY_F3; + case NSF4FunctionKey: return PUGL_KEY_F4; + case NSF5FunctionKey: return PUGL_KEY_F5; + case NSF6FunctionKey: return PUGL_KEY_F6; + case NSF7FunctionKey: return PUGL_KEY_F7; + case NSF8FunctionKey: return PUGL_KEY_F8; + case NSF9FunctionKey: return PUGL_KEY_F9; + case NSF10FunctionKey: return PUGL_KEY_F10; + case NSF11FunctionKey: return PUGL_KEY_F11; + case NSF12FunctionKey: return PUGL_KEY_F12; + case NSDeleteCharacter: return PUGL_KEY_BACKSPACE; + case NSDeleteFunctionKey: return PUGL_KEY_DELETE; + case NSLeftArrowFunctionKey: return PUGL_KEY_LEFT; + case NSUpArrowFunctionKey: return PUGL_KEY_UP; + case NSRightArrowFunctionKey: return PUGL_KEY_RIGHT; + case NSDownArrowFunctionKey: return PUGL_KEY_DOWN; + case NSPageUpFunctionKey: return PUGL_KEY_PAGE_UP; + case NSPageDownFunctionKey: return PUGL_KEY_PAGE_DOWN; + case NSHomeFunctionKey: return PUGL_KEY_HOME; + case NSEndFunctionKey: return PUGL_KEY_END; + case NSInsertFunctionKey: return PUGL_KEY_INSERT; + case NSMenuFunctionKey: return PUGL_KEY_MENU; + case NSScrollLockFunctionKey: return PUGL_KEY_SCROLL_LOCK; + case NSClearLineFunctionKey: return PUGL_KEY_NUM_LOCK; + case NSPrintScreenFunctionKey: return PUGL_KEY_PRINT_SCREEN; + case NSPauseFunctionKey: return PUGL_KEY_PAUSE; + } + // SHIFT, CTRL, ALT, and SUPER are handled in [flagsChanged] + } + return (PuglKey)0; +} + +- (void)updateTrackingAreas +{ + if (trackingArea != nil) { + [self removeTrackingArea:trackingArea]; + [trackingArea release]; + } + + const int opts = (NSTrackingMouseEnteredAndExited | + NSTrackingMouseMoved | + NSTrackingActiveAlways); + trackingArea = [[NSTrackingArea alloc] initWithRect:[self bounds] + options:opts + owner:self + userInfo:nil]; + [self addTrackingArea:trackingArea]; + [super updateTrackingAreas]; +} + +- (NSPoint)eventLocation:(NSEvent*)event +{ + return nsPointFromPoints(puglview, + [self convertPoint:[event locationInWindow] + fromView:nil]); +} + +static void +handleCrossing(PuglWrapperView* view, NSEvent* event, const PuglEventType type) +{ + const NSPoint wloc = [view eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglEventCrossing ev = { + type, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + PUGL_CROSSING_NORMAL, + }; + + puglDispatchEvent(view->puglview, (const PuglEvent*)&ev); +} + +- (void)mouseEntered:(NSEvent*)event +{ + handleCrossing(self, event, PUGL_POINTER_IN); + [puglview->impl->cursor set]; + puglview->impl->mouseTracked = true; +} + +- (void)mouseExited:(NSEvent*)event +{ + [[NSCursor arrowCursor] set]; + handleCrossing(self, event, PUGL_POINTER_OUT); + puglview->impl->mouseTracked = false; +} + +- (void)cursorUpdate:(NSEvent*)event +{ + (void)event; + [puglview->impl->cursor set]; +} + +- (void)mouseMoved:(NSEvent*)event +{ + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglEventMotion ev = { + PUGL_MOTION, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (void)mouseDragged:(NSEvent*)event +{ + [self mouseMoved: event]; +} + +- (void)rightMouseDragged:(NSEvent*)event +{ + [self mouseMoved: event]; +} + +- (void)otherMouseDragged:(NSEvent*)event +{ + [self mouseMoved: event]; +} + +- (void)mouseDown:(NSEvent*)event +{ + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglEventButton ev = { + PUGL_BUTTON_PRESS, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + (uint32_t)[event buttonNumber] + 1, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (void)mouseUp:(NSEvent*)event +{ + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglEventButton ev = { + PUGL_BUTTON_RELEASE, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + (uint32_t)[event buttonNumber] + 1, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (void)rightMouseDown:(NSEvent*)event +{ + [self mouseDown: event]; +} + +- (void)rightMouseUp:(NSEvent*)event +{ + [self mouseUp: event]; +} + +- (void)otherMouseDown:(NSEvent*)event +{ + [self mouseDown: event]; +} + +- (void)otherMouseUp:(NSEvent*)event +{ + [self mouseUp: event]; +} + +- (void)scrollWheel:(NSEvent*)event +{ + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const double dx = [event scrollingDeltaX]; + const double dy = [event scrollingDeltaY]; + const PuglScrollDirection dir = + ((dx == 0.0 && dy > 0.0) + ? PUGL_SCROLL_UP + : ((dx == 0.0 && dy < 0.0) + ? PUGL_SCROLL_DOWN + : ((dy == 0.0 && dx > 0.0) + ? PUGL_SCROLL_RIGHT + : ((dy == 0.0 && dx < 0.0) ? PUGL_SCROLL_LEFT + : PUGL_SCROLL_SMOOTH)))); + + const PuglEventScroll ev = { + PUGL_SCROLL, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + [event hasPreciseScrollingDeltas] ? PUGL_SCROLL_SMOOTH : dir, + dx, + dy, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (void)keyDown:(NSEvent*)event +{ + if (puglview->hints[PUGL_IGNORE_KEY_REPEAT] && [event isARepeat]) { + return; + } + + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglKey spec = keySymToSpecial(event); + const NSString* chars = [event charactersIgnoringModifiers]; + const char* str = [[chars lowercaseString] UTF8String]; + const uint32_t code = (spec ? spec : puglDecodeUTF8((const uint8_t*)str)); + + const PuglEventKey ev = { + PUGL_KEY_PRESS, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + [event keyCode], + (code != 0xFFFD) ? code : 0, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); + + if (!spec) { + [self interpretKeyEvents:@[event]]; + } +} + +- (void)keyUp:(NSEvent*)event +{ + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + const PuglKey spec = keySymToSpecial(event); + const NSString* chars = [event charactersIgnoringModifiers]; + const char* str = [[chars lowercaseString] UTF8String]; + const uint32_t code = (spec ? spec : puglDecodeUTF8((const uint8_t*)str)); + + const PuglEventKey ev = { + PUGL_KEY_RELEASE, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + [event keyCode], + (code != 0xFFFD) ? code : 0, + }; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (BOOL)hasMarkedText +{ + return [markedText length] > 0; +} + +- (NSRange)markedRange +{ + return (([markedText length] > 0) + ? NSMakeRange(0, [markedText length] - 1) + : NSMakeRange(NSNotFound, 0)); +} + +- (NSRange)selectedRange +{ + return NSMakeRange(NSNotFound, 0); +} + +- (void)setMarkedText:(id)string + selectedRange:(NSRange)selected + replacementRange:(NSRange)replacement +{ + (void)selected; + (void)replacement; + [markedText release]; + markedText = ( + [(NSObject*)string isKindOfClass:[NSAttributedString class]] + ? [[NSMutableAttributedString alloc] initWithAttributedString:string] + : [[NSMutableAttributedString alloc] initWithString:string]); +} + +- (void)unmarkText +{ + [[markedText mutableString] setString:@""]; +} + +- (NSArray*)validAttributesForMarkedText +{ + return @[]; +} + +- (NSAttributedString*)attributedSubstringForProposedRange:(NSRange)range + actualRange: + (NSRangePointer)actual +{ + (void)range; + (void)actual; + return nil; +} + +- (NSUInteger)characterIndexForPoint:(NSPoint)point +{ + (void)point; + return 0; +} + +- (NSRect)firstRectForCharacterRange:(NSRange)range + actualRange:(NSRangePointer)actual +{ + (void)range; + (void)actual; + + const NSRect frame = [self bounds]; + return NSMakeRect(frame.origin.x, frame.origin.y, 0.0, 0.0); +} + +- (void)doCommandBySelector:(SEL)selector +{ + (void)selector; +} + +- (void)insertText:(id)string replacementRange:(NSRange)replacement +{ + (void)replacement; + + NSEvent* const event = [NSApp currentEvent]; + NSString* const characters = + ([(NSObject*)string isKindOfClass:[NSAttributedString class]] + ? [(NSAttributedString*)string string] + : (NSString*)string); + + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + for (size_t i = 0; i < [characters length]; ++i) { + const uint32_t code = [characters characterAtIndex:i]; + char utf8[8] = {0}; + NSUInteger len = 0; + + [characters getBytes:utf8 + maxLength:sizeof(utf8) + usedLength:&len + encoding:NSUTF8StringEncoding + options:0 + range:NSMakeRange(i, i + 1) + remainingRange:nil]; + + PuglEventText ev = { + PUGL_TEXT, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + getModifiers(event), + [event keyCode], + code, + { 0, 0, 0, 0, 0, 0, 0, 0 }, + }; + + memcpy(ev.string, utf8, len); + puglDispatchEvent(puglview, (const PuglEvent*)&ev); + } +} + +- (void)flagsChanged:(NSEvent*)event +{ + const uint32_t mods = getModifiers(event); + PuglEventType type = PUGL_NOTHING; + PuglKey special = (PuglKey)0; + + if ((mods & PUGL_MOD_SHIFT) != (puglview->impl->mods & PUGL_MOD_SHIFT)) { + type = mods & PUGL_MOD_SHIFT ? PUGL_KEY_PRESS : PUGL_KEY_RELEASE; + special = PUGL_KEY_SHIFT; + } else if ((mods & PUGL_MOD_CTRL) != (puglview->impl->mods & PUGL_MOD_CTRL)) { + type = mods & PUGL_MOD_CTRL ? PUGL_KEY_PRESS : PUGL_KEY_RELEASE; + special = PUGL_KEY_CTRL; + } else if ((mods & PUGL_MOD_ALT) != (puglview->impl->mods & PUGL_MOD_ALT)) { + type = mods & PUGL_MOD_ALT ? PUGL_KEY_PRESS : PUGL_KEY_RELEASE; + special = PUGL_KEY_ALT; + } else if ((mods & PUGL_MOD_SUPER) != (puglview->impl->mods & PUGL_MOD_SUPER)) { + type = mods & PUGL_MOD_SUPER ? PUGL_KEY_PRESS : PUGL_KEY_RELEASE; + special = PUGL_KEY_SUPER; + } + + if (special != 0) { + const NSPoint wloc = [self eventLocation:event]; + const NSPoint rloc = [NSEvent mouseLocation]; + PuglEventKey ev = { + type, + 0, + [event timestamp], + wloc.x, + wloc.y, + rloc.x, + [[NSScreen mainScreen] frame].size.height - rloc.y, + mods, + [event keyCode], + special + }; + puglDispatchEvent(puglview, (const PuglEvent*)&ev); + } + + puglview->impl->mods = mods; +} + +- (BOOL)preservesContentInLiveResize +{ + return NO; +} + +- (void)viewWillStartLiveResize +{ + puglDispatchSimpleEvent(puglview, PUGL_LOOP_ENTER); +} + +- (void)viewWillDraw +{ + puglDispatchSimpleEvent(puglview, PUGL_UPDATE); + [super viewWillDraw]; +} + +- (void)resizeTick +{ + puglPostRedisplay(puglview); +} + +- (void)timerTick:(NSTimer*)userTimer +{ + const NSNumber* userInfo = userTimer.userInfo; + const PuglEventTimer ev = {PUGL_TIMER, 0, userInfo.unsignedLongValue}; + + puglDispatchEvent(puglview, (const PuglEvent*)&ev); +} + +- (void)viewDidEndLiveResize +{ + puglDispatchSimpleEvent(puglview, PUGL_LOOP_LEAVE); +} + +@end + +@interface PuglWindowDelegate : NSObject<NSWindowDelegate> + +- (instancetype)initWithPuglWindow:(PuglWindow*)window; + +@end + +@implementation PuglWindowDelegate +{ + PuglWindow* window; +} + +- (instancetype)initWithPuglWindow:(PuglWindow*)puglWindow +{ + if ((self = [super init])) { + window = puglWindow; + } + + return self; +} + +- (BOOL)windowShouldClose:(id)sender +{ + (void)sender; + + puglDispatchSimpleEvent(window->puglview, PUGL_CLOSE); + return YES; +} + +- (void)windowDidMove:(NSNotification*)notification +{ + (void)notification; + + updateViewRect(window->puglview); +} + +- (void)windowDidBecomeKey:(NSNotification*)notification +{ + (void)notification; + + PuglEvent ev = {{PUGL_FOCUS_IN, 0}}; + ev.focus.mode = PUGL_CROSSING_NORMAL; + puglDispatchEvent(window->puglview, &ev); +} + +- (void)windowDidResignKey:(NSNotification*)notification +{ + (void)notification; + + PuglEvent ev = {{PUGL_FOCUS_OUT, 0}}; + ev.focus.mode = PUGL_CROSSING_NORMAL; + puglDispatchEvent(window->puglview, &ev); +} + +@end + +PuglWorldInternals* +puglInitWorldInternals(PuglWorldType type, PuglWorldFlags PUGL_UNUSED(flags)) +{ + PuglWorldInternals* impl = (PuglWorldInternals*)calloc( + 1, sizeof(PuglWorldInternals)); + + impl->app = [NSApplication sharedApplication]; + + if (type == PUGL_PROGRAM) { + impl->autoreleasePool = [NSAutoreleasePool new]; + } + + return impl; +} + +void +puglFreeWorldInternals(PuglWorld* world) +{ + if (world->impl->autoreleasePool) { + [world->impl->autoreleasePool drain]; + } + + free(world->impl); +} + +void* +puglGetNativeWorld(PuglWorld* PUGL_UNUSED(world)) +{ + return NULL; +} + +PuglInternals* +puglInitViewInternals(void) +{ + PuglInternals* impl = (PuglInternals*)calloc(1, sizeof(PuglInternals)); + + impl->cursor = [NSCursor arrowCursor]; + + return impl; +} + +static NSLayoutConstraint* +puglConstraint(id item, NSLayoutAttribute attribute, float constant) +{ + return [NSLayoutConstraint + constraintWithItem: item + attribute: attribute + relatedBy: NSLayoutRelationGreaterThanOrEqual + toItem: nil + attribute: NSLayoutAttributeNotAnAttribute + multiplier: 1.0 + constant: (CGFloat)constant]; +} + +PuglStatus +puglRealize(PuglView* view) +{ + PuglInternals* impl = view->impl; + if (impl->wrapperView) { + return PUGL_FAILURE; + } + + const NSScreen* const screen = [NSScreen mainScreen]; + const double scaleFactor = [screen backingScaleFactor]; + + // Getting depth from the display mode seems tedious, just set usual values + if (view->hints[PUGL_RED_BITS] == PUGL_DONT_CARE) { + view->hints[PUGL_RED_BITS] = 8; + } + if (view->hints[PUGL_BLUE_BITS] == PUGL_DONT_CARE) { + view->hints[PUGL_BLUE_BITS] = 8; + } + if (view->hints[PUGL_GREEN_BITS] == PUGL_DONT_CARE) { + view->hints[PUGL_GREEN_BITS] = 8; + } + if (view->hints[PUGL_ALPHA_BITS] == PUGL_DONT_CARE) { + view->hints[PUGL_ALPHA_BITS] = 8; + } + + CGDirectDisplayID displayId = CGMainDisplayID(); + CGDisplayModeRef mode = CGDisplayCopyDisplayMode(displayId); + + // Try to get refresh rate from mode (usually fails) + view->hints[PUGL_REFRESH_RATE] = (int)CGDisplayModeGetRefreshRate(mode); + + CGDisplayModeRelease(mode); + if (view->hints[PUGL_REFRESH_RATE] == 0) { + // Get refresh rate from a display link + // TODO: Keep and actually use the display link for something? + CVDisplayLinkRef link; + CVDisplayLinkCreateWithCGDisplay(displayId, &link); + + const CVTime p = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(link); + const double r = p.timeScale / (double)p.timeValue; + view->hints[PUGL_REFRESH_RATE] = (int)lrint(r); + + CVDisplayLinkRelease(link); + } + + if (view->frame.width == 0.0 && view->frame.height == 0.0) { + if (view->defaultWidth == 0.0 && view->defaultHeight == 0.0) { + return PUGL_BAD_CONFIGURATION; + } + + const double screenWidthPx = [screen frame].size.width * scaleFactor; + const double screenHeightPx = [screen frame].size.height * scaleFactor; + + view->frame.width = view->defaultWidth; + view->frame.height = view->defaultHeight; + view->frame.x = screenWidthPx / 2.0 - view->frame.width / 2.0; + view->frame.y = screenHeightPx / 2.0 - view->frame.height / 2.0; + } + + const NSRect framePx = rectToNsRect(view->frame); + const NSRect framePt = NSMakeRect(framePx.origin.x / scaleFactor, + framePx.origin.y / scaleFactor, + framePx.size.width / scaleFactor, + framePx.size.height / scaleFactor); + + // Create wrapper view to handle input + impl->wrapperView = [PuglWrapperView alloc]; + impl->wrapperView->puglview = view; + impl->wrapperView->userTimers = [[NSMutableDictionary alloc] init]; + impl->wrapperView->markedText = [[NSMutableAttributedString alloc] init]; + [impl->wrapperView setAutoresizesSubviews:YES]; + [impl->wrapperView initWithFrame:framePt]; + [impl->wrapperView addConstraint: + puglConstraint(impl->wrapperView, NSLayoutAttributeWidth, view->minWidth)]; + [impl->wrapperView addConstraint: + puglConstraint(impl->wrapperView, NSLayoutAttributeHeight, view->minHeight)]; + + // Create draw view to be rendered to + PuglStatus st = PUGL_SUCCESS; + if ((st = view->backend->configure(view)) || + (st = view->backend->create(view))) { + return st; + } + + // Add draw view to wrapper view + [impl->wrapperView addSubview:impl->drawView]; + [impl->wrapperView setHidden:NO]; + [impl->drawView setHidden:NO]; + + if (view->parent) { + NSView* pview = (NSView*)view->parent; + [pview addSubview:impl->wrapperView]; + [impl->drawView setHidden:NO]; + [[impl->drawView window] makeFirstResponder:impl->wrapperView]; + } else { + unsigned style = (NSClosableWindowMask | + NSTitledWindowMask | + NSMiniaturizableWindowMask ); + if (view->hints[PUGL_RESIZABLE]) { + style |= NSResizableWindowMask; + } + + PuglWindow* window = [[[PuglWindow alloc] + initWithContentRect:rectToScreen([NSScreen mainScreen], framePt) + styleMask:style + backing:NSBackingStoreBuffered + defer:NO + ] retain]; + [window setPuglview:view]; + + if (view->title) { + NSString* titleString = [[NSString alloc] + initWithBytes:view->title + length:strlen(view->title) + encoding:NSUTF8StringEncoding]; + + [window setTitle:titleString]; + } + + if (view->minWidth || view->minHeight) { + [window setContentMinSize:sizePoints(view, + view->minWidth, + view->minHeight)]; + } + impl->window = window; + + ((NSWindow*)window).delegate = [[PuglWindowDelegate alloc] + initWithPuglWindow:window]; + + if (view->minAspectX && view->minAspectY) { + [window setContentAspectRatio:sizePoints(view, + view->minAspectX, + view->minAspectY)]; + } + + puglSetFrame(view, view->frame); + + [window setContentView:impl->wrapperView]; + [view->world->impl->app activateIgnoringOtherApps:YES]; + [window makeFirstResponder:impl->wrapperView]; + [window makeKeyAndOrderFront:window]; + [impl->window setIsVisible:NO]; + } + + [impl->wrapperView updateTrackingAreas]; + + puglDispatchSimpleEvent(view, PUGL_CREATE); + + return PUGL_SUCCESS; +} + +PuglStatus +puglShowWindow(PuglView* view) +{ + if (![view->impl->window isVisible]) { + [view->impl->window setIsVisible:YES]; + [view->impl->drawView setNeedsDisplay: YES]; + updateViewRect(view); + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglHideWindow(PuglView* view) +{ + [view->impl->window setIsVisible:NO]; + return PUGL_SUCCESS; +} + +void +puglFreeViewInternals(PuglView* view) +{ + if (view) { + if (view->backend) { + view->backend->destroy(view); + } + + if (view->impl) { + [view->impl->wrapperView removeFromSuperview]; + view->impl->wrapperView->puglview = NULL; + if (view->impl->window) { + [view->impl->window close]; + } + [view->impl->wrapperView release]; + if (view->impl->window) { + [view->impl->window release]; + } + free(view->impl); + } + } +} + +PuglStatus +puglGrabFocus(PuglView* view) +{ + NSWindow* window = [view->impl->wrapperView window]; + + [window makeKeyWindow]; + [window makeFirstResponder:view->impl->wrapperView]; + return PUGL_SUCCESS; +} + +bool +puglHasFocus(const PuglView* view) +{ + PuglInternals* const impl = view->impl; + + return ([[impl->wrapperView window] isKeyWindow] && + [[impl->wrapperView window] firstResponder] == impl->wrapperView); +} + +PuglStatus +puglRequestAttention(PuglView* view) +{ + if (![view->impl->window isKeyWindow]) { + [view->world->impl->app requestUserAttention:NSInformationalRequest]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglStartTimer(PuglView* view, uintptr_t id, double timeout) +{ + puglStopTimer(view, id); + + NSNumber* idNumber = [NSNumber numberWithUnsignedLong:id]; + + NSTimer* timer = [NSTimer timerWithTimeInterval:timeout + target:view->impl->wrapperView + selector:@selector(timerTick:) + userInfo:idNumber + repeats:YES]; + + [[NSRunLoop currentRunLoop] addTimer:timer forMode:NSRunLoopCommonModes]; + + view->impl->wrapperView->userTimers[idNumber] = timer; + + return PUGL_SUCCESS; +} + +PuglStatus +puglStopTimer(PuglView* view, uintptr_t id) +{ + NSNumber* idNumber = [NSNumber numberWithUnsignedLong:id]; + NSTimer* timer = view->impl->wrapperView->userTimers[idNumber]; + + if (timer) { + [view->impl->wrapperView->userTimers removeObjectForKey:timer]; + [timer invalidate]; + return PUGL_SUCCESS; + } + + return PUGL_UNKNOWN_ERROR; +} + +PuglStatus +puglSendEvent(PuglView* view, const PuglEvent* event) +{ + if (event->type == PUGL_CLIENT) { + PuglWrapperView* wrapper = view->impl->wrapperView; + const NSWindow* window = [wrapper window]; + const NSRect rect = [wrapper frame]; + const NSPoint center = {NSMidX(rect), NSMidY(rect)}; + + NSEvent* nsevent = [NSEvent + otherEventWithType:NSApplicationDefined + location:center + modifierFlags:0 + timestamp:[[NSProcessInfo processInfo] systemUptime] + windowNumber:window.windowNumber + context:nil + subtype:PUGL_CLIENT + data1:(NSInteger)event->client.data1 + data2:(NSInteger)event->client.data2]; + + [view->world->impl->app postEvent:nsevent atStart:false]; + return PUGL_SUCCESS; + } + + return PUGL_UNSUPPORTED_TYPE; +} + +#ifndef PUGL_DISABLE_DEPRECATED +PuglStatus +puglWaitForEvent(PuglView* view) +{ + return puglPollEvents(view->world, -1.0); +} +#endif + +static void +dispatchClientEvent(PuglWorld* world, NSEvent* ev) +{ + NSWindow* win = [ev window]; + NSPoint loc = [ev locationInWindow]; + for (size_t i = 0; i < world->numViews; ++i) { + PuglView* view = world->views[i]; + PuglWrapperView* wrapper = view->impl->wrapperView; + if ([wrapper window] == win && NSPointInRect(loc, [wrapper frame])) { + const PuglEventClient event = {PUGL_CLIENT, + 0, + (uintptr_t)[ev data1], + (uintptr_t)[ev data2]}; + + puglDispatchEvent(view, (const PuglEvent*)&event); + } + } +} + +PuglStatus +puglUpdate(PuglWorld* world, const double timeout) +{ + NSDate* date = ((timeout < 0) + ? [NSDate distantFuture] + : [NSDate dateWithTimeIntervalSinceNow:timeout]); + + for (NSEvent* ev = NULL; + (ev = [world->impl->app nextEventMatchingMask:NSAnyEventMask + untilDate:date + inMode:NSDefaultRunLoopMode + dequeue:YES]);) { + + if ([ev type] == NSApplicationDefined && [ev subtype] == PUGL_CLIENT) { + dispatchClientEvent(world, ev); + } + + [world->impl->app sendEvent: ev]; + + if (timeout < 0) { + // Now that we've waited and got an event, set the date to now to + // avoid looping forever + date = [NSDate date]; + } + } + + for (size_t i = 0; i < world->numViews; ++i) { + PuglView* const view = world->views[i]; + + if ([[view->impl->drawView window] isVisible]) { + puglDispatchSimpleEvent(view, PUGL_UPDATE); + } + + [view->impl->drawView displayIfNeeded]; + } + + return PUGL_SUCCESS; +} + +#ifndef PUGL_DISABLE_DEPRECATED +PuglStatus +puglProcessEvents(PuglView* view) +{ + return puglDispatchEvents(view->world); +} +#endif + +double +puglGetTime(const PuglWorld* world) +{ + return (mach_absolute_time() / 1e9) - world->startTime; +} + +PuglStatus +puglPostRedisplay(PuglView* view) +{ + [view->impl->drawView setNeedsDisplay: YES]; + return PUGL_SUCCESS; +} + +PuglStatus +puglPostRedisplayRect(PuglView* view, const PuglRect rect) +{ + const NSRect rectPx = rectToNsRect(rect); + + [view->impl->drawView setNeedsDisplayInRect:nsRectToPoints(view, rectPx)]; + + return PUGL_SUCCESS; +} + +PuglNativeView +puglGetNativeWindow(PuglView* view) +{ + return (PuglNativeView)view->impl->wrapperView; +} + +PuglStatus +puglSetWindowTitle(PuglView* view, const char* title) +{ + puglSetString(&view->title, title); + + if (view->impl->window) { + NSString* titleString = [[NSString alloc] + initWithBytes:title + length:strlen(title) + encoding:NSUTF8StringEncoding]; + + [view->impl->window setTitle:titleString]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetFrame(PuglView* view, const PuglRect frame) +{ + PuglInternals* const impl = view->impl; + + // Update view frame to exactly the requested frame in Pugl coordinates + view->frame = frame; + + const NSRect framePx = rectToNsRect(frame); + const NSRect framePt = nsRectToPoints(view, framePx); + if (impl->window) { + // Resize window to fit new content rect + const NSRect screenPt = rectToScreen(viewScreen(view), framePt); + const NSRect winFrame = [impl->window frameRectForContentRect:screenPt]; + + [impl->window setFrame:winFrame display:NO]; + } + + // Resize views + const NSRect sizePx = NSMakeRect(0, 0, frame.width, frame.height); + const NSRect sizePt = [impl->drawView convertRectFromBacking:sizePx]; + + [impl->wrapperView setFrame:(impl->window ? sizePt : framePt)]; + [impl->drawView setFrame:sizePt]; + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetDefaultSize(PuglView* const view, const int width, const int height) +{ + view->defaultWidth = width; + view->defaultHeight = height; + return PUGL_SUCCESS; +} + +PuglStatus +puglSetMinSize(PuglView* const view, const int width, const int height) +{ + view->minWidth = width; + view->minHeight = height; + + if (view->impl->window && (view->minWidth || view->minHeight)) { + [view->impl->window setContentMinSize:sizePoints(view, + view->minWidth, + view->minHeight)]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetMaxSize(PuglView* const view, const int width, const int height) +{ + view->maxWidth = width; + view->maxHeight = height; + + if (view->impl->window && (view->maxWidth || view->maxHeight)) { + [view->impl->window setContentMaxSize:sizePoints(view, + view->maxWidth, + view->maxHeight)]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetAspectRatio(PuglView* const view, + const int minX, + const int minY, + const int maxX, + const int maxY) +{ + view->minAspectX = minX; + view->minAspectY = minY; + view->maxAspectX = maxX; + view->maxAspectY = maxY; + + if (view->impl->window && view->minAspectX && view->minAspectY) { + [view->impl->window setContentAspectRatio:sizePoints(view, + view->minAspectX, + view->minAspectY)]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetTransientFor(PuglView* view, PuglNativeView parent) +{ + view->transientParent = parent; + + if (view->impl->window) { + NSWindow* parentWindow = [(NSView*)parent window]; + if (parentWindow) { + [parentWindow addChildWindow:view->impl->window + ordered:NSWindowAbove]; + return PUGL_SUCCESS; + } + } + + return PUGL_FAILURE; +} + +const void* +puglGetClipboard(PuglView* const view, + const char** const type, + size_t* const len) +{ + NSPasteboard* const pasteboard = [NSPasteboard generalPasteboard]; + + if ([[pasteboard types] containsObject:NSStringPboardType]) { + const NSString* str = [pasteboard stringForType:NSStringPboardType]; + const char* utf8 = [str UTF8String]; + + puglSetBlob(&view->clipboard, utf8, strlen(utf8) + 1); + } + + return puglGetInternalClipboard(view, type, len); +} + +static NSCursor* +puglGetNsCursor(const PuglCursor cursor) +{ + switch (cursor) { + case PUGL_CURSOR_ARROW: + return [NSCursor arrowCursor]; + case PUGL_CURSOR_CARET: + return [NSCursor IBeamCursor]; + case PUGL_CURSOR_CROSSHAIR: + return [NSCursor crosshairCursor]; + case PUGL_CURSOR_HAND: + return [NSCursor pointingHandCursor]; + case PUGL_CURSOR_NO: + return [NSCursor operationNotAllowedCursor]; + case PUGL_CURSOR_LEFT_RIGHT: + return [NSCursor resizeLeftRightCursor]; + case PUGL_CURSOR_UP_DOWN: + return [NSCursor resizeUpDownCursor]; + } + + return NULL; +} + +PuglStatus +puglSetCursor(PuglView* view, PuglCursor cursor) +{ + PuglInternals* const impl = view->impl; + NSCursor* const cur = puglGetNsCursor(cursor); + if (!cur) { + return PUGL_FAILURE; + } + + impl->cursor = cur; + + if (impl->mouseTracked) { + [cur set]; + } + + return PUGL_SUCCESS; +} + +PuglStatus +puglSetClipboard(PuglView* const view, + const char* const type, + const void* const data, + const size_t len) +{ + NSPasteboard* const pasteboard = [NSPasteboard generalPasteboard]; + const char* const str = (const char*)data; + + PuglStatus st = puglSetInternalClipboard(view, type, data, len); + if (st) { + return st; + } + + NSString* nsString = [NSString stringWithUTF8String:str]; + if (nsString) { + [pasteboard + declareTypes:[NSArray arrayWithObjects:NSStringPboardType, nil] + owner:nil]; + + [pasteboard setString:nsString forType:NSStringPboardType]; + + return PUGL_SUCCESS; + } + + return PUGL_UNKNOWN_ERROR; +} |