diff options
Diffstat (limited to 'src/libui_sdl/libui/darwin/area.m')
| -rw-r--r-- | src/libui_sdl/libui/darwin/area.m | 475 |
1 files changed, 0 insertions, 475 deletions
diff --git a/src/libui_sdl/libui/darwin/area.m b/src/libui_sdl/libui/darwin/area.m deleted file mode 100644 index 23162e6..0000000 --- a/src/libui_sdl/libui/darwin/area.m +++ /dev/null @@ -1,475 +0,0 @@ -// 9 september 2015 -#import "uipriv_darwin.h" - -// 10.8 fixups -#define NSEventModifierFlags NSUInteger - -@interface areaView : NSView { - uiArea *libui_a; - NSTrackingArea *libui_ta; - NSSize libui_ss; - BOOL libui_enabled; -} -- (id)initWithFrame:(NSRect)r area:(uiArea *)a; -- (uiModifiers)parseModifiers:(NSEvent *)e; -- (void)doMouseEvent:(NSEvent *)e; -- (int)sendKeyEvent:(uiAreaKeyEvent *)ke; -- (int)doKeyDownUp:(NSEvent *)e up:(int)up; -- (int)doKeyDown:(NSEvent *)e; -- (int)doKeyUp:(NSEvent *)e; -- (int)doFlagsChanged:(NSEvent *)e; -- (void)setupNewTrackingArea; -- (void)setScrollingSize:(NSSize)s; -- (BOOL)isEnabled; -- (void)setEnabled:(BOOL)e; -@end - -struct uiArea { - uiDarwinControl c; - NSView *view; // either sv or area depending on whether it is scrolling - NSScrollView *sv; - areaView *area; - struct scrollViewData *d; - uiAreaHandler *ah; - BOOL scrolling; - NSEvent *dragevent; -}; - -@implementation areaView - -- (id)initWithFrame:(NSRect)r area:(uiArea *)a -{ - self = [super initWithFrame:r]; - if (self) { - self->libui_a = a; - [self setupNewTrackingArea]; - self->libui_ss = r.size; - self->libui_enabled = YES; - } - return self; -} - -- (void)drawRect:(NSRect)r -{ - uiArea *a = self->libui_a; - CGContextRef c; - uiAreaDrawParams dp; - - c = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort]; - // see draw.m under text for why we need the height - dp.Context = newContext(c, [self bounds].size.height); - - dp.AreaWidth = 0; - dp.AreaHeight = 0; - if (!a->scrolling) { - dp.AreaWidth = [self frame].size.width; - dp.AreaHeight = [self frame].size.height; - } - - dp.ClipX = r.origin.x; - dp.ClipY = r.origin.y; - dp.ClipWidth = r.size.width; - dp.ClipHeight = r.size.height; - - // no need to save or restore the graphics state to reset transformations; Cocoa creates a brand-new context each time - (*(a->ah->Draw))(a->ah, a, &dp); - - freeContext(dp.Context); -} - -- (BOOL)isFlipped -{ - return YES; -} - -- (BOOL)acceptsFirstResponder -{ - return YES; -} - -- (uiModifiers)parseModifiers:(NSEvent *)e -{ - NSEventModifierFlags mods; - uiModifiers m; - - m = 0; - mods = [e modifierFlags]; - if ((mods & NSControlKeyMask) != 0) - m |= uiModifierCtrl; - if ((mods & NSAlternateKeyMask) != 0) - m |= uiModifierAlt; - if ((mods & NSShiftKeyMask) != 0) - m |= uiModifierShift; - if ((mods & NSCommandKeyMask) != 0) - m |= uiModifierSuper; - return m; -} - -- (void)setupNewTrackingArea -{ - self->libui_ta = [[NSTrackingArea alloc] initWithRect:[self bounds] - options:(NSTrackingMouseEnteredAndExited | - NSTrackingMouseMoved | - NSTrackingActiveAlways | - NSTrackingInVisibleRect | - NSTrackingEnabledDuringMouseDrag) - owner:self - userInfo:nil]; - [self addTrackingArea:self->libui_ta]; -} - -- (void)updateTrackingAreas -{ - [self removeTrackingArea:self->libui_ta]; - [self->libui_ta release]; - [self setupNewTrackingArea]; -} - -// capture on drag is done automatically on OS X -- (void)doMouseEvent:(NSEvent *)e -{ - uiArea *a = self->libui_a; - uiAreaMouseEvent me; - NSPoint point; - int buttonNumber; - NSUInteger pmb; - unsigned int i, max; - - // this will convert point to drawing space - // thanks swillits in irc.freenode.net/#macdev - point = [self convertPoint:[e locationInWindow] fromView:nil]; - me.X = point.x; - me.Y = point.y; - - me.AreaWidth = 0; - me.AreaHeight = 0; - if (!a->scrolling) { - me.AreaWidth = [self frame].size.width; - me.AreaHeight = [self frame].size.height; - } - - buttonNumber = [e buttonNumber] + 1; - // swap button numbers 2 and 3 (right and middle) - if (buttonNumber == 2) - buttonNumber = 3; - else if (buttonNumber == 3) - buttonNumber = 2; - - me.Down = 0; - me.Up = 0; - me.Count = 0; - switch ([e type]) { - case NSLeftMouseDown: - case NSRightMouseDown: - case NSOtherMouseDown: - me.Down = buttonNumber; - me.Count = [e clickCount]; - break; - case NSLeftMouseUp: - case NSRightMouseUp: - case NSOtherMouseUp: - me.Up = buttonNumber; - break; - case NSLeftMouseDragged: - case NSRightMouseDragged: - case NSOtherMouseDragged: - // we include the button that triggered the dragged event in the Held fields - buttonNumber = 0; - break; - } - - me.Modifiers = [self parseModifiers:e]; - - pmb = [NSEvent pressedMouseButtons]; - me.Held1To64 = 0; - if (buttonNumber != 1 && (pmb & 1) != 0) - me.Held1To64 |= 1; - if (buttonNumber != 2 && (pmb & 4) != 0) - me.Held1To64 |= 2; - if (buttonNumber != 3 && (pmb & 2) != 0) - me.Held1To64 |= 4; - // buttons 4..32 - // https://developer.apple.com/library/mac/documentation/Carbon/Reference/QuartzEventServicesRef/index.html#//apple_ref/c/tdef/CGMouseButton says Quartz only supports up to 32 buttons - max = 32; - for (i = 4; i <= max; i++) { - uint64_t j; - - if (buttonNumber == i) - continue; - j = 1 << (i - 1); - if ((pmb & j) != 0) - me.Held1To64 |= j; - } - - if (self->libui_enabled) { - // and allow dragging here - a->dragevent = e; - (*(a->ah->MouseEvent))(a->ah, a, &me); - a->dragevent = nil; - } -} - -#define mouseEvent(name) \ - - (void)name:(NSEvent *)e \ - { \ - [self doMouseEvent:e]; \ - } -mouseEvent(mouseMoved) -mouseEvent(mouseDragged) -mouseEvent(rightMouseDragged) -mouseEvent(otherMouseDragged) -mouseEvent(mouseDown) -mouseEvent(rightMouseDown) -mouseEvent(otherMouseDown) -mouseEvent(mouseUp) -mouseEvent(rightMouseUp) -mouseEvent(otherMouseUp) - -- (void)mouseEntered:(NSEvent *)e -{ - uiArea *a = self->libui_a; - - if (self->libui_enabled) - (*(a->ah->MouseCrossed))(a->ah, a, 0); -} - -- (void)mouseExited:(NSEvent *)e -{ - uiArea *a = self->libui_a; - - if (self->libui_enabled) - (*(a->ah->MouseCrossed))(a->ah, a, 1); -} - -// note: there is no equivalent to WM_CAPTURECHANGED on Mac OS X; there literally is no way to break a grab like that -// even if I invoke the task switcher and switch processes, the mouse grab will still be held until I let go of all buttons -// therefore, no DragBroken() - -- (int)sendKeyEvent:(uiAreaKeyEvent *)ke -{ - uiArea *a = self->libui_a; - - return (*(a->ah->KeyEvent))(a->ah, a, ke); -} - -- (int)doKeyDownUp:(NSEvent *)e up:(int)up -{ - uiAreaKeyEvent ke; - - ke.Key = 0; - ke.ExtKey = 0; - ke.Modifier = 0; - - ke.Modifiers = [self parseModifiers:e]; - - ke.Up = up; - - if (!fromKeycode([e keyCode], &ke)) - return 0; - return [self sendKeyEvent:&ke]; -} - -- (int)doKeyDown:(NSEvent *)e -{ - return [self doKeyDownUp:e up:0]; -} - -- (int)doKeyUp:(NSEvent *)e -{ - return [self doKeyDownUp:e up:1]; -} - -- (int)doFlagsChanged:(NSEvent *)e -{ - uiAreaKeyEvent ke; - uiModifiers whichmod; - - ke.Key = 0; - ke.ExtKey = 0; - - // Mac OS X sends this event on both key up and key down. - // Fortunately -[e keyCode] IS valid here, so we can simply map from key code to Modifiers, get the value of [e modifierFlags], and check if the respective bit is set or not — that will give us the up/down state - if (!keycodeModifier([e keyCode], &whichmod)) - return 0; - ke.Modifier = whichmod; - ke.Modifiers = [self parseModifiers:e]; - ke.Up = (ke.Modifiers & ke.Modifier) == 0; - // and then drop the current modifier from Modifiers - ke.Modifiers &= ~ke.Modifier; - return [self sendKeyEvent:&ke]; -} - -- (void)setFrameSize:(NSSize)size -{ - uiArea *a = self->libui_a; - - [super setFrameSize:size]; - if (!a->scrolling) - // we must redraw everything on resize because Windows requires it - [self setNeedsDisplay:YES]; -} - -// TODO does this update the frame? -- (void)setScrollingSize:(NSSize)s -{ - self->libui_ss = s; - [self invalidateIntrinsicContentSize]; -} - -- (NSSize)intrinsicContentSize -{ - if (!self->libui_a->scrolling) - return [super intrinsicContentSize]; - return self->libui_ss; -} - -- (BOOL)becomeFirstResponder -{ - return [self isEnabled]; -} - -- (BOOL)isEnabled -{ - return self->libui_enabled; -} - -- (void)setEnabled:(BOOL)e -{ - self->libui_enabled = e; - if (!self->libui_enabled && [self window] != nil) - if ([[self window] firstResponder] == self) - [[self window] makeFirstResponder:nil]; -} - -@end - -uiDarwinControlAllDefaultsExceptDestroy(uiArea, view) - -static void uiAreaDestroy(uiControl *c) -{ - uiArea *a = uiArea(c); - - if (a->scrolling) - scrollViewFreeData(a->sv, a->d); - [a->area release]; - if (a->scrolling) - [a->sv release]; - uiFreeControl(uiControl(a)); -} - -// called by subclasses of -[NSApplication sendEvent:] -// by default, NSApplication eats some key events -// this prevents that from happening with uiArea -// see http://stackoverflow.com/questions/24099063/how-do-i-detect-keyup-in-my-nsview-with-the-command-key-held and http://lists.apple.com/archives/cocoa-dev/2003/Oct/msg00442.html -int sendAreaEvents(NSEvent *e) -{ - NSEventType type; - id focused; - areaView *view; - - type = [e type]; - if (type != NSKeyDown && type != NSKeyUp && type != NSFlagsChanged) - return 0; - focused = [[e window] firstResponder]; - if (focused == nil) - return 0; - if (![focused isKindOfClass:[areaView class]]) - return 0; - view = (areaView *) focused; - switch (type) { - case NSKeyDown: - return [view doKeyDown:e]; - case NSKeyUp: - return [view doKeyUp:e]; - case NSFlagsChanged: - return [view doFlagsChanged:e]; - } - return 0; -} - -void uiAreaSetSize(uiArea *a, int width, int height) -{ - if (!a->scrolling) - userbug("You cannot call uiAreaSetSize() on a non-scrolling uiArea. (area: %p)", a); - [a->area setScrollingSize:NSMakeSize(width, height)]; -} - -void uiAreaQueueRedrawAll(uiArea *a) -{ - [a->area setNeedsDisplay:YES]; -} - -void uiAreaScrollTo(uiArea *a, double x, double y, double width, double height) -{ - if (!a->scrolling) - userbug("You cannot call uiAreaScrollTo() on a non-scrolling uiArea. (area: %p)", a); - [a->area scrollRectToVisible:NSMakeRect(x, y, width, height)]; - // don't worry about the return value; it just says whether scrolling was needed -} - -void uiAreaBeginUserWindowMove(uiArea *a) -{ - libuiNSWindow *w; - - w = (libuiNSWindow *) [a->area window]; - if (w == nil) - return; // TODO - if (a->dragevent == nil) - return; // TODO - [w libui_doMove:a->dragevent]; -} - -void uiAreaBeginUserWindowResize(uiArea *a, uiWindowResizeEdge edge) -{ - libuiNSWindow *w; - - w = (libuiNSWindow *) [a->area window]; - if (w == nil) - return; // TODO - if (a->dragevent == nil) - return; // TODO - [w libui_doResize:a->dragevent on:edge]; -} - -uiArea *uiNewArea(uiAreaHandler *ah) -{ - uiArea *a; - - uiDarwinNewControl(uiArea, a); - - a->ah = ah; - a->scrolling = NO; - - a->area = [[areaView alloc] initWithFrame:NSZeroRect area:a]; - - a->view = a->area; - - return a; -} - -uiArea *uiNewScrollingArea(uiAreaHandler *ah, int width, int height) -{ - uiArea *a; - struct scrollViewCreateParams p; - - uiDarwinNewControl(uiArea, a); - - a->ah = ah; - a->scrolling = YES; - - a->area = [[areaView alloc] initWithFrame:NSMakeRect(0, 0, width, height) - area:a]; - - memset(&p, 0, sizeof (struct scrollViewCreateParams)); - p.DocumentView = a->area; - p.BackgroundColor = [NSColor controlColor]; - p.DrawsBackground = 1; - p.Bordered = NO; - p.HScroll = YES; - p.VScroll = YES; - a->sv = mkScrollView(&p, &(a->d)); - - a->view = a->sv; - - return a; -} |