1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #import "common.h"
27 #import "com_sun_glass_ui_Screen.h"
28
29 #import "GlassMacros.h"
30 #import "GlassScreen.h"
31 #import "GlassTimer.h"
32
33 //#define VERBOSE
34 #ifndef VERBOSE
35 #define LOG(MSG, ...)
36 #else
37 #define LOG(MSG, ...) GLASS_LOG(MSG, ## __VA_ARGS__);
38 #endif
39
40 #define MAX_DISPLAY_COUNT 1024
41
42 CGFloat GetScreenScaleFactor(NSScreen *screen)
43 {
44 if ([screen respondsToSelector:@selector(backingScaleFactor)]) {
45 return [screen backingScaleFactor];
46 } else {
47 return [screen userSpaceScaleFactor];
48 }
49 }
50
51 jobject createJavaScreen(JNIEnv *env, NSScreen* screen)
52 {
53 jobject jscreen = NULL;
54
55 if (screen != nil)
56 {
57 jmethodID screenInit = (*env)->GetMethodID(env, jScreenClass,
58 "<init>",
59 "(JIIIIIIIIIIIF)V");
60 GLASS_CHECK_EXCEPTION(env);
61
62 // Note that NSDeviceResolution always reports 72 DPI, so we use Core Graphics API instead
63 const CGDirectDisplayID displayID = [[[screen deviceDescription] objectForKey:@"NSScreenNumber"] intValue];
64 CGSize size = CGDisplayScreenSize(displayID);
65 CGRect rect = CGDisplayBounds(displayID);
66 const CGFloat MM_PER_INCH = 25.4f; // 1 inch == 25.4 mm
67 // Avoid division by zero, default to 72 DPI
68 if (size.width == 0) size.width = rect.size.width * MM_PER_INCH / 72.f;
69 if (size.height == 0) size.height = rect.size.height * MM_PER_INCH / 72.f;
70 NSSize resolution = {rect.size.width / (size.width / MM_PER_INCH), rect.size.height / (size.height / MM_PER_INCH)};
71
72 NSRect primaryFrame = [[[NSScreen screens] objectAtIndex:0] frame];
73
74 if (floor(NSAppKitVersionNumber) > 1265) // NSAppKitVersionNumber10_9
75 {
76 // On MacOS X 10.10 beta the objects returned by [NSScreen screens] are released
77 // without any notification. This means JavaFX must retain its own references to
78 // avoid crashes when using them later on.
79 // Note, this fix is deliberately allowing the objects to leak. This is the
80 // safest and least intrusive fix appropriate for a maintenance release.
81 // Screens are usually create and released when an external monitor is added
82 // or removed, therefore the memory leaked should never grow too much.
83 [screen retain];
84 }
85
86 jscreen = (jobject)(*env)->NewObject(env, jScreenClass, screenInit,
87 ptr_to_jlong(screen),
88
89 (jint)NSBitsPerPixelFromDepth([screen depth]),
90
91 (jint)[screen frame].origin.x,
92 (jint)(primaryFrame.size.height - [screen frame].size.height - [screen frame].origin.y),
93 (jint)[screen frame].size.width,
94 (jint)[screen frame].size.height,
95
96 (jint)[screen visibleFrame].origin.x,
97 (jint)(primaryFrame.size.height - [screen visibleFrame].size.height - [screen visibleFrame].origin.y),
98 (jint)[screen visibleFrame].size.width,
99 (jint)[screen visibleFrame].size.height,
100
101
102 (jint)resolution.width,
103 (jint)resolution.height,
104 (jfloat)GetScreenScaleFactor(screen));
105
106 GLASS_CHECK_EXCEPTION(env);
107 }
108
109 return jscreen;
110 }
111
112 jobjectArray createJavaScreens(JNIEnv* env) {
113 //Update the Java notion of screens[]
114 NSArray* screens = [NSScreen screens];
115
116 if (jScreenClass == NULL)
117 {
118 jclass jcls = (*env)->FindClass(env, "com/sun/glass/ui/Screen");
119 GLASS_CHECK_EXCEPTION(env);
120 jScreenClass = (*env)->NewGlobalRef(env, jcls);
121 }
122
123 jobjectArray screenArray = (*env)->NewObjectArray(env,
124 [screens count],
125 jScreenClass,
126 NULL);
127 GLASS_CHECK_EXCEPTION(env);
128 for (NSUInteger index = 0; index < [screens count]; index++) {
129 jobject javaScreen = createJavaScreen(env, [screens objectAtIndex:index]);
130 (*env)->SetObjectArrayElement(env, screenArray, index, javaScreen);
131 GLASS_CHECK_EXCEPTION(env);
132 }
133
134 return screenArray;
135 }
136
137 void GlassScreenDidChangeScreenParameters(JNIEnv *env)
138 {
139 if (jScreenNotifySettingsChanged == NULL)
140 {
141 jScreenNotifySettingsChanged = (*env)->GetStaticMethodID(env, jScreenClass, "notifySettingsChanged", "()V");
142 GLASS_CHECK_EXCEPTION(env);
143 }
144
145 (*env)->CallStaticVoidMethod(env, jScreenClass, jScreenNotifySettingsChanged);
146 GLASS_CHECK_EXCEPTION(env);
147 }
148
149 @implementation NSScreen (FullscreenAdditions)
150
151 - (CGDirectDisplayID)enterFullscreenAndHideCursor:(BOOL)hide
152 {
153 CGDirectDisplayID displayID = 0;
154
155 CGDisplayCount displayCount = 0;
156 CGDirectDisplayID activeDisplays[MAX_DISPLAY_COUNT];
157 CGDisplayErr err = CGGetActiveDisplayList(MAX_DISPLAY_COUNT, activeDisplays, &displayCount);
158 if (err != kCGErrorSuccess)
159 {
160 NSLog(@"CGGetActiveDisplayList returned error: %d", err);
161 }
162 else
163 {
164 NSRect nsrect = [self frame];
165
166 for (CGDisplayCount i=0; i<displayCount; i++)
167 {
168 CGRect cgrect = CGDisplayBounds(activeDisplays[i]);
169 if ((nsrect.origin.x == cgrect.origin.x) && (nsrect.origin.y == cgrect.origin.y)
170 && (nsrect.size.width == cgrect.size.width) && (nsrect.size.height == cgrect.size.height))
171 {
172 displayID = activeDisplays[i];
173 break;
174 }
175 }
176
177 #if 0
178 err = CGDisplayCapture(displayID);
179 #endif
180 if (displayID == kCGDirectMainDisplay)
181 {
182 [NSMenu setMenuBarVisible:NO];
183 }
184
185 if (err != kCGErrorSuccess)
186 {
187 NSLog(@"CGDisplayCapture returned error: %d", err);
188 displayID = 0;
189 }
190 else
191 {
192 if (hide == YES)
193 {
194 CGDisplayHideCursor(displayID);
195 }
196 }
197 }
198
199 return displayID;
200 }
201
202 - (void)exitFullscreen:(CGDirectDisplayID)displayID
203 {
204 if (displayID != 0)
205 {
206 if (displayID == kCGDirectMainDisplay)
207 {
208 [NSMenu setMenuBarVisible:YES];
209 }
210 #if 0
211 CGDisplayRelease(displayID);
212 #endif
213 CGDisplayShowCursor(displayID);
214 }
215 }
216
217 @end
218