summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/cocoa/qcocoaintegration.mm
blob: f4da7cc58a9461cad93da3c352f48317380c36c0 (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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qcocoaintegration.h"

#include "qcocoawindow.h"
#include "qcocoabackingstore.h"
#include "qcocoanativeinterface.h"
#include "qcocoamenuloader.h"
#include "qcocoaeventdispatcher.h"
#include "qcocoahelpers.h"
#include "qcocoaapplication.h"
#include "qcocoaapplicationdelegate.h"
#include "qcocoafiledialoghelper.h"
#include "qcocoatheme.h"
#include "qcocoainputcontext.h"
#include "qmacmime.h"
#include "qcocoaaccessibility.h"

#include <qpa/qplatformaccessibility.h>
#include <QtCore/qcoreapplication.h>

#include <QtPlatformSupport/private/qcoretextfontdatabase_p.h>
#include <IOKit/graphics/IOGraphicsLib.h>

static void initResources()
{
    Q_INIT_RESOURCE_EXTERN(qcocoaresources)
    Q_INIT_RESOURCE(qcocoaresources);
}

QT_BEGIN_NAMESPACE

QCocoaScreen::QCocoaScreen(int screenIndex) :
    QPlatformScreen(), m_screenIndex(screenIndex), m_refreshRate(60.0)
{
    updateGeometry();
    m_cursor = new QCocoaCursor;
}

QCocoaScreen::~QCocoaScreen()
{
    delete m_cursor;
}

NSScreen *QCocoaScreen::osScreen() const
{
    return [[NSScreen screens] objectAtIndex:m_screenIndex];
}

void QCocoaScreen::updateGeometry()
{
    NSScreen *nsScreen = osScreen();
    NSRect frameRect = [nsScreen frame];
    m_geometry = QRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width, frameRect.size.height);
    NSRect visibleRect = [nsScreen visibleFrame];
    m_availableGeometry = QRect(visibleRect.origin.x,
                                frameRect.size.height - (visibleRect.origin.y + visibleRect.size.height), // invert y
                                visibleRect.size.width, visibleRect.size.height);

    m_format = QImage::Format_RGB32;
    m_depth = NSBitsPerPixelFromDepth([nsScreen depth]);

    NSDictionary *devDesc = [nsScreen deviceDescription];
    CGDirectDisplayID dpy = [[devDesc objectForKey:@"NSScreenNumber"] unsignedIntValue];
    CGSize size = CGDisplayScreenSize(dpy);
    m_physicalSize = QSizeF(size.width, size.height);
    m_logicalDpi.first = 72;
    m_logicalDpi.second = 72;
    m_refreshRate = CGDisplayModeGetRefreshRate(CGDisplayCopyDisplayMode(dpy));

    // Get m_name (brand/model of the monitor)
    NSDictionary *deviceInfo = (NSDictionary *)IODisplayCreateInfoDictionary(CGDisplayIOServicePort(dpy), kIODisplayOnlyPreferredName);
    NSDictionary *localizedNames = [deviceInfo objectForKey:[NSString stringWithUTF8String:kDisplayProductName]];
    if ([localizedNames count] > 0)
        m_name = QString::fromUtf8([[localizedNames objectForKey:[[localizedNames allKeys] objectAtIndex:0]] UTF8String]);
    [deviceInfo release];

    QWindowSystemInterface::handleScreenGeometryChange(screen(), geometry());
    QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen(), m_logicalDpi.first, m_logicalDpi.second);
    QWindowSystemInterface::handleScreenRefreshRateChange(screen(), m_refreshRate);
    QWindowSystemInterface::handleScreenAvailableGeometryChange(screen(), availableGeometry());
}

qreal QCocoaScreen::devicePixelRatio() const
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) {
        return qreal([osScreen() backingScaleFactor]);
    } else
#endif
    {
        return 1.0;
    }
}

extern CGContextRef qt_mac_cg_context(const QPaintDevice *pdev);

QPixmap QCocoaScreen::grabWindow(WId window, int x, int y, int width, int height) const
{
    // TODO window should be handled
    Q_UNUSED(window)

    const int maxDisplays = 128; // 128 displays should be enough for everyone.
    CGDirectDisplayID displays[maxDisplays];
    CGDisplayCount displayCount;
    CGRect cgRect;

    if (width < 0 || height < 0) {
        // get all displays
        cgRect = CGRectInfinite;
    } else {
        cgRect = CGRectMake(x, y, width, height);
    }
    const CGDisplayErr err = CGGetDisplaysWithRect(cgRect, maxDisplays, displays, &displayCount);

    if (err && displayCount == 0)
        return QPixmap();

    // calculate pixmap size
    QSize windowSize(width, height);
    if (width < 0 || height < 0) {
        QRect windowRect;
        for (uint i = 0; i < displayCount; ++i) {
            const CGRect cgRect = CGDisplayBounds(displays[i]);
            QRect qRect(cgRect.origin.x, cgRect.origin.y, cgRect.size.width, cgRect.size.height);
            windowRect = windowRect.united(qRect);
        }
        if (width < 0)
            windowSize.setWidth(windowRect.width());
        if (height < 0)
            windowSize.setHeight(windowRect.height());
    }

    QPixmap windowPixmap(windowSize);
    windowPixmap.fill(Qt::transparent);

    for (uint i = 0; i < displayCount; ++i) {
        const CGRect bounds = CGDisplayBounds(displays[i]);
        int w = (width < 0 ? bounds.size.width : width);
        int h = (height < 0 ? bounds.size.height : height);
        QRect displayRect = QRect(x, y, w, h);
        QCFType<CGImageRef> image = CGDisplayCreateImageForRect(displays[i],
            CGRectMake(displayRect.x(), displayRect.y(), displayRect.width(), displayRect.height()));
        QPixmap pix(w, h);
        pix.fill(Qt::transparent);
        CGRect rect = CGRectMake(0, 0, w, h);
        CGContextRef ctx = qt_mac_cg_context(&pix);
        qt_mac_drawCGImage(ctx, &rect, image);
        CGContextRelease(ctx);

        QPainter painter(&windowPixmap);
        painter.drawPixmap(bounds.origin.x, bounds.origin.y, pix);
    }
    return windowPixmap;
}

QCocoaIntegration::QCocoaIntegration()
    : mFontDb(new QCoreTextFontDatabase())
    , mEventDispatcher(new QCocoaEventDispatcher())
    , mInputContext(new QCocoaInputContext)
#ifndef QT_NO_COCOA_ACCESSIBILITY
    , mAccessibility(new QCococaAccessibility)
#endif
    , mCocoaClipboard(new QCocoaClipboard)
    , mCocoaDrag(new QCocoaDrag)
    , mNativeInterface(new QCocoaNativeInterface)
    , mServices(new QCocoaServices)
    , mKeyboardMapper(new QCocoaKeyMapper)
{
    initResources();
    QCocoaAutoReleasePool pool;

    qApp->setAttribute(Qt::AA_DontUseNativeMenuBar, false);

    NSApplication *cocoaApplication = [QT_MANGLE_NAMESPACE(QNSApplication) sharedApplication];
    qt_redirectNSApplicationSendEvent();

    if (qEnvironmentVariableIsEmpty("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM")) {
        // Applications launched from plain executables (without an app
        // bundle) are "background" applications that does not take keybaord
        // focus or have a dock icon or task switcher entry. Qt Gui apps generally
        // wants to be foreground applications so change the process type. (But
        // see the function implementation for exceptions.)
        qt_mac_transformProccessToForegroundApplication();

        // Move the application window to front to avoid launching behind the terminal.
        // Ignoring other apps is neccessary (we must ignore the terminal), but makes
        // Qt apps play slightly less nice with other apps when lanching from Finder
        // (See the activateIgnoringOtherApps docs.)
        [cocoaApplication activateIgnoringOtherApps : YES];
    }

    // ### For AA_MacPluginApplication we don't want to load the menu nib.
    // Qt 4 also does not set the application delegate, so that behavior
    // is matched here.
    if (!QCoreApplication::testAttribute(Qt::AA_MacPluginApplication)) {

        // Set app delegate, link to the current delegate (if any)
        QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
        [newDelegate setReflectionDelegate:[cocoaApplication delegate]];
        [cocoaApplication setDelegate:newDelegate];

        // Load the application menu. This menu contains Preferences, Hide, Quit.
        QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *qtMenuLoader = [[QT_MANGLE_NAMESPACE(QCocoaMenuLoader) alloc] init];
        qt_mac_loadMenuNib(qtMenuLoader);
        [cocoaApplication setMenu:[qtMenuLoader menu]];
        [newDelegate setMenuLoader:qtMenuLoader];
    }

    updateScreens();

    QMacPasteboardMime::initializeMimeTypes();
}

QCocoaIntegration::~QCocoaIntegration()
{
    qt_resetNSApplicationSendEvent();

    QCocoaAutoReleasePool pool;
    if (!QCoreApplication::testAttribute(Qt::AA_MacPluginApplication)) {
        // remove the apple event handlers installed by QCocoaApplicationDelegate
        QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *delegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
        [delegate removeAppleEventHandlers];
        // reset the application delegate
        [[NSApplication sharedApplication] setDelegate: 0];
    }

    // Delete the clipboard integration and destroy mime type converters.
    // Deleting the clipboard integration flushes promised pastes using
    // the mime converters - the ordering here is important.
    delete mCocoaClipboard;
    QMacPasteboardMime::destroyMimeTypes();

    // Delete screens in reverse order to avoid crash in case of multiple screens
    while (!mScreens.isEmpty()) {
        delete mScreens.takeLast();
    }
}

/*!
    \brief Synchronizes the screen list, adds new screens, removes deleted ones
*/
void QCocoaIntegration::updateScreens()
{
    NSArray *screens = [NSScreen screens];
    QSet<QCocoaScreen*> remainingScreens = QSet<QCocoaScreen*>::fromList(mScreens);
    QList<QPlatformScreen *> siblings;
    for (uint i = 0; i < [screens count]; i++) {
        NSScreen* scr = [[NSScreen screens] objectAtIndex:i];
        CGDirectDisplayID dpy = [[[scr deviceDescription] objectForKey:@"NSScreenNumber"] unsignedIntValue];
        // If this screen is a mirror and is not the primary one of the mirror set, ignore it.
        if (CGDisplayIsInMirrorSet(dpy)) {
            CGDirectDisplayID primary = CGDisplayMirrorsDisplay(dpy);
            if (primary != kCGNullDirectDisplay && primary != dpy)
                continue;
        }
        QCocoaScreen* screen = NULL;
        foreach (QCocoaScreen* existingScr, mScreens)
            // NSScreen documentation says do not cache the array returned from [NSScreen screens].
            // However in practice, we can identify a screen by its pointer: if resolution changes,
            // the NSScreen object will be the same instance, just with different values.
            if (existingScr->osScreen() == scr) {
                screen = existingScr;
                break;
            }
        if (screen) {
            remainingScreens.remove(screen);
            screen->updateGeometry();
        } else {
            screen = new QCocoaScreen(i);
            mScreens.append(screen);
            screenAdded(screen);
        }
        siblings << screen;
    }
    // Now the leftovers in remainingScreens are no longer current, so we can delete them.
    foreach (QCocoaScreen* screen, remainingScreens) {
        mScreens.removeOne(screen);
        delete screen;
    }
    // All screens in mScreens are siblings, because we ignored the mirrors.
    foreach (QCocoaScreen* screen, mScreens)
        screen->setVirtualSiblings(siblings);
}

bool QCocoaIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
    switch (cap) {
    case ThreadedPixmaps:
    case OpenGL:
    case ThreadedOpenGL:
    case BufferQueueingOpenGL:
    case WindowMasks:
    case MultipleWindows:
        return true;
    default:
        return QPlatformIntegration::hasCapability(cap);
    }
}



QPlatformWindow *QCocoaIntegration::createPlatformWindow(QWindow *window) const
{
    return new QCocoaWindow(window);
}

QPlatformOpenGLContext *QCocoaIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
{
    return new QCocoaGLContext(context->format(), context->shareHandle());
}

QPlatformBackingStore *QCocoaIntegration::createPlatformBackingStore(QWindow *window) const
{
    return new QCocoaBackingStore(window);
}

QAbstractEventDispatcher *QCocoaIntegration::guiThreadEventDispatcher() const
{
    return mEventDispatcher;
}

QPlatformFontDatabase *QCocoaIntegration::fontDatabase() const
{
    return mFontDb.data();
}

QPlatformNativeInterface *QCocoaIntegration::nativeInterface() const
{
    return mNativeInterface.data();
}

QPlatformInputContext *QCocoaIntegration::inputContext() const
{
    return mInputContext.data();
}

QPlatformAccessibility *QCocoaIntegration::accessibility() const
{
#ifndef QT_NO_COCOA_ACCESSIBILITY
    return mAccessibility.data();
#else
    return 0;
#endif
}

QPlatformClipboard *QCocoaIntegration::clipboard() const
{
    return mCocoaClipboard;
}

QPlatformDrag *QCocoaIntegration::drag() const
{
    return mCocoaDrag.data();
}

QStringList QCocoaIntegration::themeNames() const
{
    return QStringList(QLatin1String(QCocoaTheme::name));
}

QPlatformTheme *QCocoaIntegration::createPlatformTheme(const QString &name) const
{
    if (name == QLatin1String(QCocoaTheme::name))
        return new QCocoaTheme;
    return QPlatformIntegration::createPlatformTheme(name);
}

QPlatformServices *QCocoaIntegration::services() const
{
    return mServices.data();
}

QVariant QCocoaIntegration::styleHint(StyleHint hint) const
{
    if (hint == QPlatformIntegration::FontSmoothingGamma)
        return 2.0;
    if (hint == QPlatformIntegration::SynthesizeMouseFromTouchEvents)
        return false;

    return QPlatformIntegration::styleHint(hint);
}

QList<int> QCocoaIntegration::possibleKeys(const QKeyEvent *event) const
{
    return mKeyboardMapper->possibleKeys(event);
}

QT_END_NAMESPACE