mpv/video/out/cocoa/window.m

165 lines
4.9 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 General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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()
- (NSRect)frameRect:(NSRect)frameRect forCenteredContentSize:(NSSize)newSize;
- (void)setCenteredContentSize:(NSSize)newSize;
@end
@implementation MpvVideoWindow {
NSSize _queued_video_size;
}
@synthesize adapter = _adapter;
- (id)initWithContentRect:(NSRect)content_rect
styleMask:(NSUInteger)style_mask
backing:(NSBackingStoreType)buffering_type
defer:(BOOL)flag
{
if (self = [super initWithContentRect:content_rect
styleMask:style_mask
backing:buffering_type
defer:flag]) {
[self setBackgroundColor:[NSColor blackColor]];
[self setMinSize:NSMakeSize(50,50)];
}
return self;
}
- (void)windowDidChangeBackingProperties:(NSNotification *)notification
{
// XXX: we maybe only need expose for this
[self.adapter setNeedsResize];
}
- (void)windowDidChangeScreenProfile:(NSNotification *)notification
{
[self.adapter didChangeWindowedScreenProfile:[self screen]];
}
- (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];
}
- (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)constrainFrameRect:(NSRect)nf toScreen:(NSScreen *)screen
{
NSRect of = [self frame];
NSRect vf = [screen ?: self.screen ?: [NSScreen mainScreen] 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 top 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))
// 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)windowDidEndLiveResize:(NSNotification *)notification
{
[self setFrame:[self constrainFrameRect:self.frame toScreen:self.screen]
display:NO];
}
- (void)tryDequeueSize {
if (_queued_video_size.width <= 0.0 || _queued_video_size.height <= 0.0)
return;
// XXX find a way to kill this state
if (![self.adapter isInFullScreenMode]) {
[self setContentAspectRatio:_queued_video_size];
[self setCenteredContentSize:_queued_video_size];
_queued_video_size = NSZeroSize;
}
}
- (void)queueNewVideoSize:(NSSize)new_size
{
if (NSEqualSizes(_queued_video_size, new_size))
return;
_queued_video_size = new_size;
[self tryDequeueSize];
}
- (void)windowDidBecomeMain:(NSNotification *)notification {
[self tryDequeueSize];
}
@end