mpv/video/out/cocoa/events_view.m

344 lines
9.2 KiB
Objective-C

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "input/input.h"
#include "input/keycodes.h"
#include "osdep/macosx_compat.h"
#include "video/out/cocoa_common.h"
#include "events_view.h"
@interface MpvEventsView()
@property(nonatomic, assign) BOOL hasMouseDown;
@property(nonatomic, retain) NSTrackingArea *tracker;
- (int)mpvButtonNumber:(NSEvent*)event;
- (void)mouseDownEvent:(NSEvent *)event;
- (void)mouseUpEvent:(NSEvent *)event;
@end
@implementation MpvEventsView
@synthesize adapter = _adapter;
@synthesize tracker = _tracker;
@synthesize hasMouseDown = _mouse_down;
- (id)initWithFrame:(NSRect)frame
{
self = [super initWithFrame:frame];
if (self) {
[self registerForDraggedTypes:@[NSFilenamesPboardType,
NSURLPboardType]];
[self setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
}
return self;
}
- (void)drawRect:(NSRect)rect
{
[[NSColor blackColor] setFill];
NSRectFill(rect);
}
// mpv uses flipped coordinates, because X11 uses those. So let's just use them
// as well without having to do any coordinate conversion of mouse positions.
- (BOOL)isFlipped { return YES; }
- (void)updateTrackingAreas
{
if (self.tracker)
[self removeTrackingArea:self.tracker];
if (![self.adapter mouseEnabled])
return;
NSTrackingAreaOptions trackingOptions =
NSTrackingEnabledDuringMouseDrag |
NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved |
NSTrackingActiveAlways;
self.tracker =
[[[NSTrackingArea alloc] initWithRect:[self bounds]
options:trackingOptions
owner:self
userInfo:nil] autorelease];
[self addTrackingArea:self.tracker];
if (![self containsMouseLocation])
[self.adapter putKey:MP_KEY_MOUSE_LEAVE withModifiers:0];
}
- (NSPoint)mouseLocation
{
return [self.window mouseLocationOutsideOfEventStream];
}
- (BOOL)containsMouseLocation
{
CGFloat topMargin = 0.0;
CGFloat menuBarHeight = [[NSApp mainMenu] menuBarHeight];
// menuBarHeight is 0 when menu bar is hidden in fullscreen
// 1pt to compensate of the black line beneath the menu bar
if ([self.adapter isInFullScreenMode] && menuBarHeight > 0) {
NSRect tr = [NSWindow frameRectForContentRect:CGRectZero
styleMask:NSWindowStyleMaskTitled];
topMargin = tr.size.height + 1 + menuBarHeight;
}
NSRect vF = [[self.window screen] frame];
vF.size.height -= topMargin;
NSRect vFW = [self.window convertRectFromScreen:vF];
NSRect vFV = [self convertRect:vFW fromView:nil];
NSPoint pt = [self convertPoint:[self mouseLocation] fromView:nil];
// clip bounds to current visibleFrame
NSRect clippedBounds = CGRectIntersection([self bounds], vFV);
return CGRectContainsPoint(clippedBounds, pt);
}
- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
{
return [self.adapter mouseEnabled];
}
- (BOOL)acceptsFirstResponder
{
return [self.adapter keyboardEnabled] || [self.adapter mouseEnabled];
}
- (BOOL)becomeFirstResponder
{
return [self.adapter keyboardEnabled] || [self.adapter mouseEnabled];
}
- (BOOL)resignFirstResponder { return YES; }
- (BOOL)canHideCursor
{
return !self.hasMouseDown && [self containsMouseLocation]
&& [[self window] isKeyWindow];
}
- (void)mouseEntered:(NSEvent *)event
{
[super mouseEntered:event];
if ([self.adapter mouseEnabled]) {
[self.adapter putKey:MP_KEY_MOUSE_ENTER withModifiers:0];
}
}
- (void)mouseExited:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self.adapter putKey:MP_KEY_MOUSE_LEAVE withModifiers:0];
} else {
[super mouseExited:event];
}
}
- (NSPoint)convertPointToPixels:(NSPoint)point
{
point = [self convertPoint:point fromView:nil];
point = [self convertPointToBacking:point];
// flip y since isFlipped returning YES doesn't affect the backing
// coordinate system
point.y = -point.y;
return point;
}
- (void)signalMouseMovement:(NSEvent *)event
{
NSPoint p = [self convertPointToPixels:[event locationInWindow]];
[self.adapter signalMouseMovement:p];
}
- (void)mouseMoved:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self signalMouseMovement:event];
} else {
[super mouseMoved:event];
}
}
- (void)mouseDragged:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self signalMouseMovement:event];
} else {
[super mouseDragged:event];
}
}
- (void)mouseDown:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseDownEvent:event];
} else {
[super mouseDown:event];
}
}
- (void)mouseUp:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseUpEvent:event];
} else {
[super mouseUp:event];
}
}
- (void)rightMouseDown:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseDownEvent:event];
} else {
[super rightMouseUp:event];
}
}
- (void)rightMouseUp:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseUpEvent:event];
} else {
[super rightMouseUp:event];
}
}
- (void)otherMouseDown:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseDownEvent:event];
} else {
[super otherMouseDown:event];
}
}
- (void)otherMouseUp:(NSEvent *)event
{
if ([self.adapter mouseEnabled]) {
[self mouseUpEvent:event];
} else {
[super otherMouseUp:event];
}
}
- (void)preciseScroll:(NSEvent *)event
{
CGFloat delta;
int cmd;
if (fabs([event deltaY]) >= fabs([event deltaX])) {
delta = [event deltaY] * 0.1;
cmd = delta > 0 ? MP_WHEEL_UP : MP_WHEEL_DOWN;
} else {
delta = [event deltaX] * 0.1;
cmd = delta > 0 ? MP_WHEEL_RIGHT : MP_WHEEL_LEFT;
}
[self.adapter putWheel:cmd delta:fabs(delta)];
}
- (void)scrollWheel:(NSEvent *)event
{
if (![self.adapter mouseEnabled]) {
[super scrollWheel:event];
return;
}
if ([event hasPreciseScrollingDeltas]) {
[self preciseScroll:event];
} else {
const int modifiers = [event modifierFlags];
const float deltaX = (modifiers & NSEventModifierFlagShift) ?
[event scrollingDeltaY] : [event scrollingDeltaX];
const float deltaY = (modifiers & NSEventModifierFlagShift) ?
[event scrollingDeltaX] : [event scrollingDeltaY];
int mpkey;
if (fabs(deltaY) >= fabs(deltaX)) {
mpkey = deltaY > 0 ? MP_WHEEL_UP : MP_WHEEL_DOWN;
} else {
mpkey = deltaX > 0 ? MP_WHEEL_LEFT : MP_WHEEL_RIGHT;
}
[self.adapter putKey:mpkey withModifiers:modifiers];
}
}
- (void)mouseDownEvent:(NSEvent *)event
{
[self putMouseEvent:event withState:MP_KEY_STATE_DOWN];
if ([event clickCount] > 1)
[self putMouseEvent:event withState:MP_KEY_STATE_UP];
}
- (void)mouseUpEvent:(NSEvent *)event
{
[self putMouseEvent:event withState:MP_KEY_STATE_UP];
}
- (void)putMouseEvent:(NSEvent *)event withState:(int)state
{
self.hasMouseDown = (state == MP_KEY_STATE_DOWN);
int mpkey = [self mpvButtonNumber:event];
[self.adapter putKey:(mpkey | state) withModifiers:[event modifierFlags]];
}
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
{
NSPasteboard *pboard = [sender draggingPasteboard];
NSArray *types = [pboard types];
if ([types containsObject:NSFilenamesPboardType] ||
[types containsObject:NSURLPboardType]) {
return NSDragOperationCopy;
} else {
return NSDragOperationNone;
}
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
{
NSPasteboard *pboard = [sender draggingPasteboard];
if ([[pboard types] containsObject:NSFilenamesPboardType]) {
NSArray *pbitems = [pboard propertyListForType:NSFilenamesPboardType];
[self.adapter handleFilesArray:pbitems];
return YES;
} else if ([[pboard types] containsObject:NSURLPboardType]) {
NSURL *url = [NSURL URLFromPasteboard:pboard];
[self.adapter handleFilesArray:@[[url absoluteString]]];
return YES;
}
return NO;
}
- (int)mpvButtonNumber:(NSEvent*)event
{
int buttonNumber = [event buttonNumber];
switch (buttonNumber) {
case 0: return MP_MBTN_LEFT;
case 1: return MP_MBTN_RIGHT;
case 2: return MP_MBTN_MID;
case 3: return MP_MBTN_BACK;
case 4: return MP_MBTN_FORWARD;
default: return MP_MBTN9 - 5 + buttonNumber;
}
}
@end