summaryrefslogtreecommitdiffstats
path: root/video/out/cocoa/window.m
blob: ece6246f341bf089eb0ac85ddf803f70bbdf4053 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
/*
 * 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/additions.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