1 /*
2 * Copyright (c) 2011, 2016, 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 "(JIIIIIIIIIIIIIIIFFFF)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 jfloat scale = (jfloat)GetScreenScaleFactor(screen);
87 jscreen = (jobject)(*env)->NewObject(env, jScreenClass, screenInit,
88 ptr_to_jlong(screen),
89
90 (jint)NSBitsPerPixelFromDepth([screen depth]),
91
92 (jint)[screen frame].origin.x,
93 (jint)(primaryFrame.size.height - [screen frame].size.height - [screen frame].origin.y),
94 (jint)[screen frame].size.width,
95 (jint)[screen frame].size.height,
96
97 (jint)[screen frame].origin.x,
98 (jint)(primaryFrame.size.height - [screen frame].size.height - [screen frame].origin.y),
99 (jint)[screen frame].size.width,
100 (jint)[screen frame].size.height,
101
102 (jint)[screen visibleFrame].origin.x,
103 (jint)(primaryFrame.size.height - [screen visibleFrame].size.height - [screen visibleFrame].origin.y),
104 (jint)[screen visibleFrame].size.width,
105 (jint)[screen visibleFrame].size.height,
106
107
108 (jint)resolution.width,
109 (jint)resolution.height,
110 1.0f, 1.0f,
111 scale, scale);
112
113 GLASS_CHECK_EXCEPTION(env);
114 }
115
116 return jscreen;
117 }
118
119 jobjectArray createJavaScreens(JNIEnv* env) {
120 //Update the Java notion of screens[]
121 NSArray* screens = [NSScreen screens];
122
123 if (jScreenClass == NULL)
124 {
125 jclass jcls = (*env)->FindClass(env, "com/sun/glass/ui/Screen");
126 GLASS_CHECK_EXCEPTION(env);
127 jScreenClass = (*env)->NewGlobalRef(env, jcls);
128 }
129
130 jobjectArray screenArray = (*env)->NewObjectArray(env,
131 [screens count],
132 jScreenClass,
133 NULL);
134 GLASS_CHECK_EXCEPTION(env);
135 for (NSUInteger index = 0; index < [screens count]; index++) {
136 jobject javaScreen = createJavaScreen(env, [screens objectAtIndex:index]);
137 (*env)->SetObjectArrayElement(env, screenArray, index, javaScreen);
138 GLASS_CHECK_EXCEPTION(env);
139 }
140
141 return screenArray;
142 }
143
144 void GlassScreenDidChangeScreenParameters(JNIEnv *env)
145 {
146 if (jScreenNotifySettingsChanged == NULL)
147 {
148 jScreenNotifySettingsChanged = (*env)->GetStaticMethodID(env, jScreenClass, "notifySettingsChanged", "()V");
149 GLASS_CHECK_EXCEPTION(env);
150 }
151
152 (*env)->CallStaticVoidMethod(env, jScreenClass, jScreenNotifySettingsChanged);
153 GLASS_CHECK_EXCEPTION(env);
154 }
155
156 @implementation NSScreen (FullscreenAdditions)
157
158 - (CGDirectDisplayID)enterFullscreenAndHideCursor:(BOOL)hide
159 {
160 CGDirectDisplayID displayID = 0;
161
162 CGDisplayCount displayCount = 0;
163 CGDirectDisplayID activeDisplays[MAX_DISPLAY_COUNT];
164 CGDisplayErr err = CGGetActiveDisplayList(MAX_DISPLAY_COUNT, activeDisplays, &displayCount);
165 if (err != kCGErrorSuccess)
166 {
167 NSLog(@"CGGetActiveDisplayList returned error: %d", err);
168 }
169 else
170 {
171 NSRect nsrect = [self frame];
172
173 for (CGDisplayCount i=0; i<displayCount; i++)
174 {
175 CGRect cgrect = CGDisplayBounds(activeDisplays[i]);
176 if ((nsrect.origin.x == cgrect.origin.x) && (nsrect.origin.y == cgrect.origin.y)
177 && (nsrect.size.width == cgrect.size.width) && (nsrect.size.height == cgrect.size.height))
178 {
179 displayID = activeDisplays[i];
180 break;
181 }
182 }
183
184 #if 0
185 err = CGDisplayCapture(displayID);
186 #endif
187 if (displayID == kCGDirectMainDisplay)
188 {
189 [NSMenu setMenuBarVisible:NO];
190 }
191
192 if (err != kCGErrorSuccess)
193 {
194 NSLog(@"CGDisplayCapture returned error: %d", err);
195 displayID = 0;
196 }
197 else
198 {
199 if (hide == YES)
200 {
201 CGDisplayHideCursor(displayID);
202 }
203 }
204 }
205
206 return displayID;
207 }
208
209 - (void)exitFullscreen:(CGDirectDisplayID)displayID
210 {
211 if (displayID != 0)
212 {
213 if (displayID == kCGDirectMainDisplay)
214 {
215 [NSMenu setMenuBarVisible:YES];
216 }
217 #if 0
218 CGDisplayRelease(displayID);
219 #endif
220 CGDisplayShowCursor(displayID);
221 }
222 }
223
224 @end
225