mpv/video/out/cocoa/window.m

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/*
* 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 <libavutil/common.h>
#include "input/keycodes.h"
#include "osdep/macosx_events.h"
#include "osdep/macosx_compat.h"
#include "video/out/cocoa_common.h"
#include "window.h"
@interface MpvVideoWindow()
@property(nonatomic, retain) NSScreen *targetScreen;
@property(nonatomic, retain) NSScreen *previousScreen;
@property(nonatomic, retain) NSScreen *currentScreen;
@property(nonatomic, retain) NSScreen *unfScreen;
- (NSRect)frameRect:(NSRect)frameRect forCenteredContentSize:(NSSize)newSize;
- (void)setCenteredContentSize:(NSSize)newSize;
@end
@implementation MpvVideoWindow {
NSSize _queued_video_size;
NSRect _unfs_content_frame;
int _is_animating;
}
@synthesize adapter = _adapter;
@synthesize targetScreen = _target_screen;
@synthesize previousScreen = _previous_screen;
@synthesize currentScreen = _current_screen;
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@synthesize unfScreen = _unf_screen;
- (id)initWithContentRect:(NSRect)content_rect
styleMask:(NSWindowStyleMask)style_mask
backing:(NSBackingStoreType)buffering_type
defer:(BOOL)flag
screen:(NSScreen *)screen
{
if (self = [super initWithContentRect:content_rect
styleMask:style_mask
backing:buffering_type
defer:flag
screen:screen]) {
[self setBackgroundColor:[NSColor whiteColor]];
[self setMinSize:NSMakeSize(50,50)];
[self setCollectionBehavior: NSWindowCollectionBehaviorFullScreenPrimary];
self.targetScreen = screen;
self.currentScreen = screen;
self.unfScreen = screen;
_is_animating = 0;
_unfs_content_frame = [self convertRectToScreen:[[self contentView] frame]];
}
return self;
}
- (void)setStyleMask:(NSWindowStyleMask)style
{
NSResponder *nR = [self firstResponder];
[super setStyleMask:style];
[self makeFirstResponder:nR];
}
- (void)toggleFullScreen:(id)sender
{
if (_is_animating)
return;
_is_animating = 1;
self.targetScreen = [self.adapter getTargetScreen];
if(![self targetScreen] && ![self previousScreen]) {
self.targetScreen = [self screen];
} else if (![self targetScreen]) {
self.targetScreen = self.previousScreen;
self.previousScreen = nil;
} else {
self.previousScreen = [self screen];
}
if (![self.adapter isInFullScreenMode]) {
_unfs_content_frame = [self convertRectToScreen:[[self contentView] frame]];
self.unfScreen = [self screen];
}
//move window to target screen when going to fullscreen
if (![self.adapter isInFullScreenMode] && ![[self targetScreen] isEqual:[self screen]]) {
NSRect frame = [self calculateWindowPositionForScreen:[self targetScreen]
withoutBounds:NO];
[self setFrame:frame display:YES];
}
if ([self.adapter wantsNativeFullscreen])
[super toggleFullScreen:sender];
if (![self.adapter isInFullScreenMode]) {
[self setToFullScreen];
} else {
[self setToWindow];
}
}
- (void)setToFullScreen
{
[self setStyleMask:([self styleMask] | NSWindowStyleMaskFullScreen)];
NSRect frame = [[self targetScreen] frame];
if ([self.adapter wantsNativeFullscreen]) {
[self setFrame:frame display:YES];
} else {
[NSApp setPresentationOptions:NSApplicationPresentationAutoHideMenuBar|
NSApplicationPresentationAutoHideDock];
[self setFrame:frame display:YES];
_is_animating = 0;
[self.adapter windowDidEnterFullScreen];
}
}
- (void)setToWindow
{
[self setStyleMask:([self styleMask] & ~NSWindowStyleMaskFullScreen)];
NSRect frame = [self calculateWindowPositionForScreen:[self targetScreen]
withoutBounds:[[self targetScreen] isEqual:[self screen]]];
if ([self.adapter wantsNativeFullscreen]) {
[self setFrame:frame display:YES];
[self setContentAspectRatio:_unfs_content_frame.size];
[self setCenteredContentSize:_unfs_content_frame.size];
} else {
[NSApp setPresentationOptions:NSApplicationPresentationDefault];
[self setFrame:frame display:YES];
[self setContentAspectRatio:_unfs_content_frame.size];
[self setCenteredContentSize:_unfs_content_frame.size];
_is_animating = 0;
[self.adapter windowDidExitFullScreen];
}
}
- (NSArray *)customWindowsToEnterFullScreenForWindow:(NSWindow *)window
{
return [NSArray arrayWithObject:window];
}
- (NSArray*)customWindowsToExitFullScreenForWindow:(NSWindow*)window
{
return [NSArray arrayWithObject:window];
}
// we still need to keep those around or it will use the standard animation
- (void)window:(NSWindow *)window startCustomAnimationToEnterFullScreenWithDuration:(NSTimeInterval)duration {}
- (void)window:(NSWindow *)window startCustomAnimationToExitFullScreenWithDuration:(NSTimeInterval)duration {}
- (void)windowDidEnterFullScreen:(NSNotification *)notification
{
_is_animating = 0;
[self.adapter windowDidEnterFullScreen];
}
- (void)windowDidExitFullScreen:(NSNotification *)notification
{
_is_animating = 0;
[self.adapter windowDidExitFullScreen];
}
- (void)windowWillEnterFullScreen:(NSNotification *)notification
{
[self.adapter windowWillEnterFullScreen:notification];
}
- (void)windowWillExitFullScreen:(NSNotification *)notification
{
[self.adapter windowWillExitFullScreen:notification];
}
- (void)windowDidFailToEnterFullScreen:(NSWindow *)window
{
_is_animating = 0;
[self setToWindow];
[self.adapter windowDidFailToEnterFullScreen:window];
}
- (void)windowDidFailToExitFullScreen:(NSWindow *)window
{
_is_animating = 0;
[self setToFullScreen];
[self.adapter windowDidFailToExitFullScreen:window];
}
- (void)windowDidChangeBackingProperties:(NSNotification *)notification
{
// XXX: we maybe only need expose for this
[self.adapter setNeedsResize];
}
- (void)windowDidChangeScreen:(NSNotification *)notification
{
[self.adapter windowDidChangeScreen:notification];
if (!_is_animating && ![[self currentScreen] isEqual:[self screen]]) {
self.previousScreen = [self screen];
}
if (![[self currentScreen] isEqual:[self screen]]) {
[self.adapter windowDidChangePhysicalScreen];
}
self.currentScreen = [self screen];
}
- (void)windowDidChangeScreenProfile:(NSNotification *)notification
{
[self.adapter didChangeWindowedScreenProfile:notification];
}
- (void)windowDidResignKey:(NSNotification *)notification
{
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[self.adapter windowDidResignKey:notification];
}
- (void)windowDidBecomeKey:(NSNotification *)notification
{
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[self.adapter windowDidBecomeKey:notification];
}
- (void)windowWillMove:(NSNotification *)notification
{
[self.adapter windowWillMove:notification];
}
- (BOOL)canBecomeMainWindow { return YES; }
- (BOOL)canBecomeKeyWindow { return YES; }
- (BOOL)windowShouldClose:(id)sender
{
cocoa_put_key(MP_KEY_CLOSE_WIN);
// We have to wait for MPlayer to handle this,
// otherwise we are in trouble if the
// MP_KEY_CLOSE_WIN handler is disabled
return NO;
}
- (void)normalSize { [self mulSize:1.0f]; }
- (void)halfSize { [self mulSize:0.5f];}
- (void)doubleSize { [self mulSize:2.0f];}
- (void)mulSize:(float)multiplier
{
char cmd[50];
snprintf(cmd, sizeof(cmd), "set window-scale %f", multiplier);
[self.adapter putCommand:cmd];
}
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- (void)updateBorder:(int)border
{
int borderStyle = NSWindowStyleMaskTitled|NSWindowStyleMaskClosable|
NSWindowStyleMaskMiniaturizable;
if (border) {
int window_mask = [self styleMask] & ~NSWindowStyleMaskBorderless;
window_mask |= borderStyle;
[self setStyleMask:window_mask];
} else {
int window_mask = [self styleMask] & ~borderStyle;
window_mask |= NSWindowStyleMaskBorderless;
[self setStyleMask:window_mask];
}
if (![self.adapter isInFullScreenMode]) {
// XXX: workaround to force redrawing of window decoration
if (border) {
NSRect frame = [self frame];
frame.size.width += 1;
[self setFrame:frame display:YES];
frame.size.width -= 1;
[self setFrame:frame display:YES];
}
[self setContentAspectRatio:_unfs_content_frame.size];
}
}
- (NSRect)frameRect:(NSRect)f forCenteredContentSize:(NSSize)ns
{
NSRect cr = [self contentRectForFrameRect:f];
CGFloat dx = (cr.size.width - ns.width) / 2;
CGFloat dy = (cr.size.height - ns.height) / 2;
return NSInsetRect(f, dx, dy);
}
- (void)setCenteredContentSize:(NSSize)ns
{
[self setFrame:[self frameRect:[self frame] forCenteredContentSize:ns]
display:NO
animate:NO];
}
- (NSRect)calculateWindowPositionForScreen:(NSScreen *)screen withoutBounds:(BOOL)withoutBounds
{
NSRect frame = [self frameRectForContentRect:_unfs_content_frame];
NSRect targetFrame = [screen frame];
NSRect targetVisibleFrame = [screen visibleFrame];
NSRect unfsScreenFrame = [self.unfScreen frame];
NSRect visibleWindow = NSIntersectionRect(unfsScreenFrame, frame);
// calculate visible area of every side
CGFloat left = frame.origin.x - unfsScreenFrame.origin.x;
CGFloat right = unfsScreenFrame.size.width -
(frame.origin.x - unfsScreenFrame.origin.x + frame.size.width);
CGFloat bottom = frame.origin.y - unfsScreenFrame.origin.y;
CGFloat top = unfsScreenFrame.size.height -
(frame.origin.y - unfsScreenFrame.origin.y + frame.size.height);
// normalize visible areas, decide which one to take horizontal/vertical
CGFloat x_per = (unfsScreenFrame.size.width - visibleWindow.size.width);
CGFloat y_per = (unfsScreenFrame.size.height - visibleWindow.size.height);
if (x_per != 0) x_per = (left >= 0 || right < 0 ? left : right)/x_per;
if (y_per != 0) y_per = (bottom >= 0 || top < 0 ? bottom : top)/y_per;
// calculate visible area for every side for target screen
CGFloat x_new_left = targetFrame.origin.x +
(targetFrame.size.width - visibleWindow.size.width)*x_per;
CGFloat x_new_right = targetFrame.origin.x + targetFrame.size.width -
(targetFrame.size.width - visibleWindow.size.width)*x_per - frame.size.width;
CGFloat y_new_bottom = targetFrame.origin.y +
(targetFrame.size.height - visibleWindow.size.height)*y_per;
CGFloat y_new_top = targetFrame.origin.y + targetFrame.size.height -
(targetFrame.size.height - visibleWindow.size.height)*y_per - frame.size.height;
// calculate new coordinates, decide which one to take horizontal/vertical
frame.origin.x = left >= 0 || right < 0 ? x_new_left : x_new_right;
frame.origin.y = bottom >= 0 || top < 0 ? y_new_bottom : y_new_top;
// don't place new window on top of a visible menubar
CGFloat top_mar = targetFrame.size.height -
(frame.origin.y - targetFrame.origin.y + frame.size.height);
CGFloat menuBarHeight = targetFrame.size.height -
(targetVisibleFrame.size.height + targetVisibleFrame.origin.y);
if (top_mar < menuBarHeight)
frame.origin.y -= top-menuBarHeight;
if (withoutBounds)
return frame;
//screen bounds right and left
if (frame.origin.x + frame.size.width > targetFrame.origin.x + targetFrame.size.width)
frame.origin.x = targetFrame.origin.x + targetFrame.size.width - frame.size.width;
if (frame.origin.x < targetFrame.origin.x)
frame.origin.x = targetFrame.origin.x;
//screen bounds top and bottom
if (frame.origin.y + frame.size.height > targetFrame.origin.y + targetFrame.size.height)
frame.origin.y = targetFrame.origin.y + targetFrame.size.height - frame.size.height;
if (frame.origin.y < targetFrame.origin.y)
frame.origin.y = targetFrame.origin.y;
return frame;
}
- (NSRect)constrainFrameRect:(NSRect)nf toScreen:(NSScreen *)screen
{
if ((_is_animating && ![self.adapter isInFullScreenMode]) ||
(!_is_animating && [self.adapter isInFullScreenMode]))
{
return nf;
}
screen = screen ?: self.screen ?: [NSScreen mainScreen];
NSRect of = [self frame];
NSRect vf = [_is_animating ? [self targetScreen] : screen visibleFrame];
NSRect ncf = [self contentRectForFrameRect:nf];
// Prevent the window's titlebar from exiting the screen on the top edge.
// This introduces a 'snap to top' behaviour.
if (NSMaxY(nf) > NSMaxY(vf))
nf.origin.y = NSMaxY(vf) - NSHeight(nf);
// Prevent the window's titlebar from exiting the screen on the bottom edge.
if (NSMaxY(ncf) < NSMinY(vf))
nf.origin.y = NSMinY(vf) + NSMinY(ncf) - NSMaxY(ncf);
// Prevent window from exiting the screen on the right edge
if (NSMinX(nf) > NSMaxX(vf))
nf.origin.x = NSMaxX(vf) - NSWidth(nf);
// Prevent window from exiting the screen on the left
if (NSMaxX(nf) < NSMinX(vf))
nf.origin.x = NSMinX(vf);
if (NSHeight(nf) < NSHeight(vf) && NSHeight(of) > NSHeight(vf) &&
![self.adapter isInFullScreenMode])
// If the window height is smaller than the visible frame, but it was
// bigger previously recenter the smaller window vertically. This is
// needed to counter the 'snap to top' behaviour.
nf.origin.y = (NSHeight(vf) - NSHeight(nf)) / 2;
return nf;
}
- (void)windowWillStartLiveResize:(NSNotification *)notification
{
[self.adapter windowWillStartLiveResize:notification];
}
- (void)windowDidEndLiveResize:(NSNotification *)notification
{
[self.adapter windowDidEndLiveResize:notification];
[self setFrame:[self constrainFrameRect:self.frame toScreen:self.screen]
display:NO];
}
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- (void)tryDequeueSize
{
if (_queued_video_size.width <= 0.0 || _queued_video_size.height <= 0.0)
return;
[self setContentAspectRatio:_queued_video_size];
[self setCenteredContentSize:_queued_video_size];
_queued_video_size = NSZeroSize;
}
- (void)queueNewVideoSize:(NSSize)newSize
{
_unfs_content_frame = [self frameRect:_unfs_content_frame forCenteredContentSize:newSize];
if (![self.adapter isInFullScreenMode]) {
if (NSEqualSizes(_queued_video_size, newSize))
return;
_queued_video_size = newSize;
[self tryDequeueSize];
}
}
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- (void)windowDidBecomeMain:(NSNotification *)notification
{
[self tryDequeueSize];
}
@end