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macOS: Split QCocoaScreen out from qcocoaintegration.mm

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It's confusing to keep it along with an unrelated class. Let's keep it
in its own file like for most other platform plugins.

Change-Id: I449ee061ff9fd5dc7ef06cadd633414d6b16358f
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
This commit is contained in:
Tor Arne Vestbø 2017-10-05 17:34:17 +02:00
parent 5ff9d6a470
commit de3f764be8
6 changed files with 391 additions and 276 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/plugins/platforms/cocoa/cocoa.pro
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@ -2,6 +2,7 @@ TARGET = qcocoa
OBJECTIVE_SOURCES += main.mm \
qcocoaintegration.mm \
qcocoascreen.mm \
qcocoatheme.mm \
qcocoabackingstore.mm \
qcocoawindow.mm \
@ -36,6 +37,7 @@ OBJECTIVE_SOURCES += main.mm \
SOURCES += messages.cpp
HEADERS += qcocoaintegration.h \
qcocoascreen.h \
qcocoatheme.h \
qcocoabackingstore.h \
qcocoawindow.h \

54
src/plugins/platforms/cocoa/qcocoaintegration.h
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@ -58,59 +58,7 @@
QT_BEGIN_NAMESPACE
class QCocoaScreen : public QPlatformScreen
{
public:
QCocoaScreen(int screenIndex);
~QCocoaScreen();
// ----------------------------------------------------
// Virtual methods overridden from QPlatformScreen
QPixmap grabWindow(WId window, int x, int y, int width, int height) const Q_DECL_OVERRIDE;
QRect geometry() const Q_DECL_OVERRIDE { return m_geometry; }
QRect availableGeometry() const Q_DECL_OVERRIDE { return m_availableGeometry; }
int depth() const Q_DECL_OVERRIDE { return m_depth; }
QImage::Format format() const Q_DECL_OVERRIDE { return m_format; }
qreal devicePixelRatio() const Q_DECL_OVERRIDE;
QSizeF physicalSize() const Q_DECL_OVERRIDE { return m_physicalSize; }
QDpi logicalDpi() const Q_DECL_OVERRIDE { return m_logicalDpi; }
qreal refreshRate() const Q_DECL_OVERRIDE { return m_refreshRate; }
QString name() const Q_DECL_OVERRIDE { return m_name; }
QPlatformCursor *cursor() const Q_DECL_OVERRIDE { return m_cursor; }
QWindow *topLevelAt(const QPoint &point) const Q_DECL_OVERRIDE;
QList<QPlatformScreen *> virtualSiblings() const Q_DECL_OVERRIDE { return m_siblings; }
QPlatformScreen::SubpixelAntialiasingType subpixelAntialiasingTypeHint() const Q_DECL_OVERRIDE;
// ----------------------------------------------------
// Additional methods
void setVirtualSiblings(const QList<QPlatformScreen *> &siblings) { m_siblings = siblings; }
NSScreen *nativeScreen() const;
void updateGeometry();
QPointF mapToNative(const QPointF &pos) const { return flipCoordinate(pos); }
QRectF mapToNative(const QRectF &rect) const { return flipCoordinate(rect); }
QPointF mapFromNative(const QPointF &pos) const { return flipCoordinate(pos); }
QRectF mapFromNative(const QRectF &rect) const { return flipCoordinate(rect); }
static QCocoaScreen *primaryScreen();
private:
QPointF flipCoordinate(const QPointF &pos) const;
QRectF flipCoordinate(const QRectF &rect) const;
public:
int m_screenIndex;
QRect m_geometry;
QRect m_availableGeometry;
QDpi m_logicalDpi;
qreal m_refreshRate;
int m_depth;
QString m_name;
QImage::Format m_format;
QSizeF m_physicalSize;
QCocoaCursor *m_cursor;
QList<QPlatformScreen *> m_siblings;
};
class QCocoaScreen;
class QCocoaIntegration : public QPlatformIntegration
{

224
src/plugins/platforms/cocoa/qcocoaintegration.mm
View File

@ -51,6 +51,7 @@
#include "qcocoainputcontext.h"
#include "qcocoamimetypes.h"
#include "qcocoaaccessibility.h"
#include "qcocoascreen.h"
#include <qpa/qplatforminputcontextfactory_p.h>
#include <qpa/qplatformaccessibility.h>
@ -78,229 +79,6 @@ QT_BEGIN_NAMESPACE
class QCoreTextFontEngine;
class QFontEngineFT;
QCocoaScreen::QCocoaScreen(int screenIndex)
: QPlatformScreen(), m_screenIndex(screenIndex), m_refreshRate(60.0)
{
updateGeometry();
m_cursor = new QCocoaCursor;
}
QCocoaScreen::~QCocoaScreen()
{
delete m_cursor;
}
NSScreen *QCocoaScreen::nativeScreen() const
{
NSArray *screens = [NSScreen screens];
// Stale reference, screen configuration has changed
if (m_screenIndex < 0 || (NSUInteger)m_screenIndex >= [screens count])
return nil;
return [screens objectAtIndex:m_screenIndex];
}
/*!
Flips the Y coordinate of the point between quadrant I and IV.
The native coordinate system on macOS uses quadrant I, with origin
in bottom left, and Qt uses quadrant IV, with origin in top left.
By flippig the Y coordinate, we can map the position between the
two coordinate systems.
*/
QPointF QCocoaScreen::flipCoordinate(const QPointF &pos) const
{
return QPointF(pos.x(), m_geometry.height() - pos.y());
}
/*!
Flips the Y coordinate of the rectangle between quadrant I and IV.
The native coordinate system on macOS uses quadrant I, with origin
in bottom left, and Qt uses quadrant IV, with origin in top left.
By flippig the Y coordinate, we can map the rectangle between the
two coordinate systems.
*/
QRectF QCocoaScreen::flipCoordinate(const QRectF &rect) const
{
return QRectF(flipCoordinate(rect.topLeft() + QPoint(0, rect.height())), rect.size());
}
void QCocoaScreen::updateGeometry()
{
NSScreen *nsScreen = nativeScreen();
if (!nsScreen)
return;
// At this point the geometry is in native coordinates, but the size
// is correct, which we take advantage of next when we map the native
// coordinates to the Qt coordinate system.
m_geometry = QRectF::fromCGRect(NSRectToCGRect(nsScreen.frame)).toRect();
m_availableGeometry = QRectF::fromCGRect(NSRectToCGRect(nsScreen.visibleFrame)).toRect();
// The reference screen for the geometry is always the primary screen, but since
// we may be in the process of creating and registering the primary screen, we
// must special-case that and assign it direcly.
QCocoaScreen *primaryScreen = (nsScreen == [[NSScreen screens] firstObject]) ?
this : QCocoaScreen::primaryScreen();
m_geometry = primaryScreen->mapFromNative(m_geometry).toRect();
m_availableGeometry = primaryScreen->mapFromNative(m_availableGeometry).toRect();
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;
CGDisplayModeRef displayMode = CGDisplayCopyDisplayMode(dpy);
float refresh = CGDisplayModeGetRefreshRate(displayMode);
CGDisplayModeRelease(displayMode);
if (refresh > 0)
m_refreshRate = refresh;
// 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(), availableGeometry());
QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen(), m_logicalDpi.first, m_logicalDpi.second);
QWindowSystemInterface::handleScreenRefreshRateChange(screen(), m_refreshRate);
}
qreal QCocoaScreen::devicePixelRatio() const
{
QMacAutoReleasePool pool;
NSScreen *nsScreen = nativeScreen();
return qreal(nsScreen ? [nsScreen backingScaleFactor] : 1.0);
}
QPlatformScreen::SubpixelAntialiasingType QCocoaScreen::subpixelAntialiasingTypeHint() const
{
QPlatformScreen::SubpixelAntialiasingType type = QPlatformScreen::subpixelAntialiasingTypeHint();
if (type == QPlatformScreen::Subpixel_None) {
// Every OSX machine has RGB pixels unless a peculiar or rotated non-Apple screen is attached
type = QPlatformScreen::Subpixel_RGB;
}
return type;
}
QWindow *QCocoaScreen::topLevelAt(const QPoint &point) const
{
NSPoint screenPoint = qt_mac_flipPoint(point);
// Search (hit test) for the top-level window. [NSWidow windowNumberAtPoint:
// belowWindowWithWindowNumber] may return windows that are not interesting
// to Qt. The search iterates until a suitable window or no window is found.
NSInteger topWindowNumber = 0;
QWindow *window = 0;
do {
// Get the top-most window, below any previously rejected window.
topWindowNumber = [NSWindow windowNumberAtPoint:screenPoint
belowWindowWithWindowNumber:topWindowNumber];
// Continue the search if the window does not belong to this process.
NSWindow *nsWindow = [NSApp windowWithWindowNumber:topWindowNumber];
if (nsWindow == 0)
continue;
// Continue the search if the window does not belong to Qt.
if (![nsWindow conformsToProtocol:@protocol(QNSWindowProtocol)])
continue;
id<QNSWindowProtocol> proto = static_cast<id<QNSWindowProtocol> >(nsWindow);
QCocoaWindow *cocoaWindow = proto.platformWindow;
if (!cocoaWindow)
continue;
window = cocoaWindow->window();
// Continue the search if the window is not a top-level window.
if (!window->isTopLevel())
continue;
// Stop searching. The current window is the correct window.
break;
} while (topWindowNumber > 0);
return window;
}
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 * devicePixelRatio());
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) * devicePixelRatio();
int h = (height < 0 ? bounds.size.height : height) * devicePixelRatio();
QRect displayRect = QRect(x, y, w, h);
displayRect = displayRect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y));
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);
QMacCGContext ctx(&pix);
qt_mac_drawCGImage(ctx, &rect, image);
QPainter painter(&windowPixmap);
painter.drawPixmap(0, 0, pix);
}
return windowPixmap;
}
/*!
The screen used as a reference for global window geometry
*/
QCocoaScreen *QCocoaScreen::primaryScreen()
{
return static_cast<QCocoaScreen *>(QGuiApplication::primaryScreen()->handle());
}
static QCocoaIntegration::Options parseOptions(const QStringList &paramList)
{
QCocoaIntegration::Options options;

108
src/plugins/platforms/cocoa/qcocoascreen.h Normal file
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@ -0,0 +1,108 @@
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCOCOASCREEN_H
#define QCOCOASCREEN_H
#include <AppKit/AppKit.h>
#include "qcocoacursor.h"
#include <qpa/qplatformintegration.h>
QT_BEGIN_NAMESPACE
class QCocoaScreen : public QPlatformScreen
{
public:
QCocoaScreen(int screenIndex);
~QCocoaScreen();
// ----------------------------------------------------
// Virtual methods overridden from QPlatformScreen
QPixmap grabWindow(WId window, int x, int y, int width, int height) const Q_DECL_OVERRIDE;
QRect geometry() const Q_DECL_OVERRIDE { return m_geometry; }
QRect availableGeometry() const Q_DECL_OVERRIDE { return m_availableGeometry; }
int depth() const Q_DECL_OVERRIDE { return m_depth; }
QImage::Format format() const Q_DECL_OVERRIDE { return m_format; }
qreal devicePixelRatio() const Q_DECL_OVERRIDE;
QSizeF physicalSize() const Q_DECL_OVERRIDE { return m_physicalSize; }
QDpi logicalDpi() const Q_DECL_OVERRIDE { return m_logicalDpi; }
qreal refreshRate() const Q_DECL_OVERRIDE { return m_refreshRate; }
QString name() const Q_DECL_OVERRIDE { return m_name; }
QPlatformCursor *cursor() const Q_DECL_OVERRIDE { return m_cursor; }
QWindow *topLevelAt(const QPoint &point) const Q_DECL_OVERRIDE;
QList<QPlatformScreen *> virtualSiblings() const Q_DECL_OVERRIDE { return m_siblings; }
QPlatformScreen::SubpixelAntialiasingType subpixelAntialiasingTypeHint() const Q_DECL_OVERRIDE;
// ----------------------------------------------------
// Additional methods
void setVirtualSiblings(const QList<QPlatformScreen *> &siblings) { m_siblings = siblings; }
NSScreen *nativeScreen() const;
void updateGeometry();
QPointF mapToNative(const QPointF &pos) const { return flipCoordinate(pos); }
QRectF mapToNative(const QRectF &rect) const { return flipCoordinate(rect); }
QPointF mapFromNative(const QPointF &pos) const { return flipCoordinate(pos); }
QRectF mapFromNative(const QRectF &rect) const { return flipCoordinate(rect); }
static QCocoaScreen *primaryScreen();
private:
QPointF flipCoordinate(const QPointF &pos) const;
QRectF flipCoordinate(const QRectF &rect) const;
public:
int m_screenIndex;
QRect m_geometry;
QRect m_availableGeometry;
QDpi m_logicalDpi;
qreal m_refreshRate;
int m_depth;
QString m_name;
QImage::Format m_format;
QSizeF m_physicalSize;
QCocoaCursor *m_cursor;
QList<QPlatformScreen *> m_siblings;
};
QT_END_NAMESPACE
#endif

278
src/plugins/platforms/cocoa/qcocoascreen.mm Normal file
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@ -0,0 +1,278 @@
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcocoascreen.h"
#include "qcocoawindow.h"
#include "qcocoahelpers.h"
#include <QtCore/qcoreapplication.h>
#include <QtGui/private/qcoregraphics_p.h>
#include <IOKit/graphics/IOGraphicsLib.h>
QT_BEGIN_NAMESPACE
class QCoreTextFontEngine;
class QFontEngineFT;
QCocoaScreen::QCocoaScreen(int screenIndex)
: QPlatformScreen(), m_screenIndex(screenIndex), m_refreshRate(60.0)
{
updateGeometry();
m_cursor = new QCocoaCursor;
}
QCocoaScreen::~QCocoaScreen()
{
delete m_cursor;
}
NSScreen *QCocoaScreen::nativeScreen() const
{
NSArray *screens = [NSScreen screens];
// Stale reference, screen configuration has changed
if (m_screenIndex < 0 || (NSUInteger)m_screenIndex >= [screens count])
return nil;
return [screens objectAtIndex:m_screenIndex];
}
/*!
Flips the Y coordinate of the point between quadrant I and IV.
The native coordinate system on macOS uses quadrant I, with origin
in bottom left, and Qt uses quadrant IV, with origin in top left.
By flippig the Y coordinate, we can map the position between the
two coordinate systems.
*/
QPointF QCocoaScreen::flipCoordinate(const QPointF &pos) const
{
return QPointF(pos.x(), m_geometry.height() - pos.y());
}
/*!
Flips the Y coordinate of the rectangle between quadrant I and IV.
The native coordinate system on macOS uses quadrant I, with origin
in bottom left, and Qt uses quadrant IV, with origin in top left.
By flippig the Y coordinate, we can map the rectangle between the
two coordinate systems.
*/
QRectF QCocoaScreen::flipCoordinate(const QRectF &rect) const
{
return QRectF(flipCoordinate(rect.topLeft() + QPoint(0, rect.height())), rect.size());
}
void QCocoaScreen::updateGeometry()
{
NSScreen *nsScreen = nativeScreen();
if (!nsScreen)
return;
// At this point the geometry is in native coordinates, but the size
// is correct, which we take advantage of next when we map the native
// coordinates to the Qt coordinate system.
m_geometry = QRectF::fromCGRect(NSRectToCGRect(nsScreen.frame)).toRect();
m_availableGeometry = QRectF::fromCGRect(NSRectToCGRect(nsScreen.visibleFrame)).toRect();
// The reference screen for the geometry is always the primary screen, but since
// we may be in the process of creating and registering the primary screen, we
// must special-case that and assign it direcly.
QCocoaScreen *primaryScreen = (nsScreen == [[NSScreen screens] firstObject]) ?
this : QCocoaScreen::primaryScreen();
m_geometry = primaryScreen->mapFromNative(m_geometry).toRect();
m_availableGeometry = primaryScreen->mapFromNative(m_availableGeometry).toRect();
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;
CGDisplayModeRef displayMode = CGDisplayCopyDisplayMode(dpy);
float refresh = CGDisplayModeGetRefreshRate(displayMode);
CGDisplayModeRelease(displayMode);
if (refresh > 0)
m_refreshRate = refresh;
// 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(), availableGeometry());
QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen(), m_logicalDpi.first, m_logicalDpi.second);
QWindowSystemInterface::handleScreenRefreshRateChange(screen(), m_refreshRate);
}
qreal QCocoaScreen::devicePixelRatio() const
{
QMacAutoReleasePool pool;
NSScreen *nsScreen = nativeScreen();
return qreal(nsScreen ? [nsScreen backingScaleFactor] : 1.0);
}
QPlatformScreen::SubpixelAntialiasingType QCocoaScreen::subpixelAntialiasingTypeHint() const
{
QPlatformScreen::SubpixelAntialiasingType type = QPlatformScreen::subpixelAntialiasingTypeHint();
if (type == QPlatformScreen::Subpixel_None) {
// Every OSX machine has RGB pixels unless a peculiar or rotated non-Apple screen is attached
type = QPlatformScreen::Subpixel_RGB;
}
return type;
}
QWindow *QCocoaScreen::topLevelAt(const QPoint &point) const
{
NSPoint screenPoint = qt_mac_flipPoint(point);
// Search (hit test) for the top-level window. [NSWidow windowNumberAtPoint:
// belowWindowWithWindowNumber] may return windows that are not interesting
// to Qt. The search iterates until a suitable window or no window is found.
NSInteger topWindowNumber = 0;
QWindow *window = 0;
do {
// Get the top-most window, below any previously rejected window.
topWindowNumber = [NSWindow windowNumberAtPoint:screenPoint
belowWindowWithWindowNumber:topWindowNumber];
// Continue the search if the window does not belong to this process.
NSWindow *nsWindow = [NSApp windowWithWindowNumber:topWindowNumber];
if (nsWindow == 0)
continue;
// Continue the search if the window does not belong to Qt.
if (![nsWindow conformsToProtocol:@protocol(QNSWindowProtocol)])
continue;
id<QNSWindowProtocol> proto = static_cast<id<QNSWindowProtocol> >(nsWindow);
QCocoaWindow *cocoaWindow = proto.platformWindow;
if (!cocoaWindow)
continue;
window = cocoaWindow->window();
// Continue the search if the window is not a top-level window.
if (!window->isTopLevel())
continue;
// Stop searching. The current window is the correct window.
break;
} while (topWindowNumber > 0);
return window;
}
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 * devicePixelRatio());
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) * devicePixelRatio();
int h = (height < 0 ? bounds.size.height : height) * devicePixelRatio();
QRect displayRect = QRect(x, y, w, h);
displayRect = displayRect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y));
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);
QMacCGContext ctx(&pix);
qt_mac_drawCGImage(ctx, &rect, image);
QPainter painter(&windowPixmap);
painter.drawPixmap(0, 0, pix);
}
return windowPixmap;
}
/*!
The screen used as a reference for global window geometry
*/
QCocoaScreen *QCocoaScreen::primaryScreen()
{
return static_cast<QCocoaScreen *>(QGuiApplication::primaryScreen()->handle());
}
QT_END_NAMESPACE

1
src/plugins/platforms/cocoa/qcocoawindow.mm
View File

@ -38,6 +38,7 @@
****************************************************************************/
#include "qcocoawindow.h"
#include "qcocoaintegration.h"
#include "qcocoascreen.h"
#include "qnswindowdelegate.h"
#include "qcocoaeventdispatcher.h"
#ifndef QT_NO_OPENGL