| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** Contact: Qt Software Information ([email protected])
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| 5 | **
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| 6 | ** This file is part of the QtGui module of the Qt Toolkit.
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| 7 | **
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$
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| 9 | ** Commercial Usage
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| 10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 11 | ** accordance with the Qt Commercial License Agreement provided with the
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| 12 | ** Software or, alternatively, in accordance with the terms contained in
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| 13 | ** a written agreement between you and Nokia.
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| 14 | **
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| 15 | ** GNU Lesser General Public License Usage
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| 16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 17 | ** General Public License version 2.1 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 19 | ** packaging of this file. Please review the following information to
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| 20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 22 | **
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| 23 | ** In addition, as a special exception, Nokia gives you certain
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| 24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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| 25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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| 26 | ** package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you are unsure which license is appropriate for your use, please
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| 37 | ** contact the sales department at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | /****************************************************************************
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| 43 | **
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| 44 | ** Copyright (c) 2007-2008, Apple, Inc.
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| 45 | **
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| 46 | ** All rights reserved.
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| 47 | **
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| 48 | ** Redistribution and use in source and binary forms, with or without
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| 49 | ** modification, are permitted provided that the following conditions are met:
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| 50 | **
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| 51 | ** * Redistributions of source code must retain the above copyright notice,
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| 52 | ** this list of conditions and the following disclaimer.
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| 53 | **
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| 54 | ** * Redistributions in binary form must reproduce the above copyright notice,
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| 55 | ** this list of conditions and the following disclaimer in the documentation
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| 56 | ** and/or other materials provided with the distribution.
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| 57 | **
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| 58 | ** * Neither the name of Apple, Inc. nor the names of its contributors
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| 59 | ** may be used to endorse or promote products derived from this software
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| 60 | ** without specific prior written permission.
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| 61 | **
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| 62 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 63 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 64 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 65 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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| 66 | ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 67 | ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 68 | ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 69 | ** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 70 | ** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 71 | ** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 72 | ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 73 | **
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| 74 | ****************************************************************************/
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| 75 | //#define QT_RASTER_PAINTENGINE
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| 76 |
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| 77 | #include <private/qt_mac_p.h>
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| 78 | #include <private/qeventdispatcher_mac_p.h>
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| 79 |
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| 80 | #include "qapplication.h"
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| 81 | #include "qapplication_p.h"
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| 82 | #include "qbitmap.h"
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| 83 | #include "qcursor.h"
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| 84 | #include "qdesktopwidget.h"
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| 85 | #include "qevent.h"
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| 86 | #include "qimage.h"
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| 87 | #include "qlayout.h"
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| 88 | #include "qmenubar.h"
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| 89 | #include <private/qbackingstore_p.h>
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| 90 | #ifdef QT_RASTER_PAINTENGINE
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| 91 | # include <private/qpaintengine_raster_p.h>
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| 92 | #endif
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| 93 | #include <private/qwindowsurface_mac_p.h>
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| 94 | #include <private/qpaintengine_mac_p.h>
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| 95 | #include "qpainter.h"
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| 96 | #include "qstyle.h"
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| 97 | #include "qtimer.h"
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| 98 | #include "qfocusframe.h"
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| 99 | #include "qdebug.h"
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| 100 | #include <private/qmainwindowlayout_p.h>
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| 101 |
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| 102 | #include <private/qabstractscrollarea_p.h>
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| 103 | #include <qabstractscrollarea.h>
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| 104 | #include <ApplicationServices/ApplicationServices.h>
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| 105 | #include <limits.h>
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| 106 | #include <private/qt_cocoa_helpers_mac_p.h>
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| 107 | #include <private/qcocoaview_mac_p.h>
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| 108 | #include <private/qcocoawindow_mac_p.h>
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| 109 | #include <private/qcocoawindowdelegate_mac_p.h>
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| 110 | #include <private/qcocoapanel_mac_p.h>
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| 111 |
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| 112 | #include "qwidget_p.h"
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| 113 | #include "qdnd_p.h"
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| 114 | #include <QtGui/qgraphicsproxywidget.h>
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| 115 |
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| 116 | QT_BEGIN_NAMESPACE
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| 117 |
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| 118 | #define XCOORD_MAX 16383
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| 119 | #define WRECT_MAX 8191
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| 120 |
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| 121 | #ifndef QT_MAC_USE_COCOA
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| 122 |
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| 123 | extern "C" {
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| 124 | extern OSStatus _HIViewScrollRectWithOptions(HIViewRef, const HIRect *, CGFloat, CGFloat,
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| 125 | OptionBits);
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| 126 | }
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| 127 | #define kHIViewScrollRectAdjustInvalid 1
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| 128 | #define kHIViewScrollRectDontInvalidateRevealedArea 2
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| 129 | #endif
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| 130 |
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| 131 |
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| 132 | /*****************************************************************************
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| 133 | QWidget debug facilities
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| 134 | *****************************************************************************/
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| 135 | //#define DEBUG_WINDOW_RGNS
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| 136 | //#define DEBUG_WINDOW_CREATE
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| 137 | //#define DEBUG_WINDOW_STATE
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| 138 | //#define DEBUG_WIDGET_PAINT
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| 139 |
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| 140 | /*****************************************************************************
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| 141 | QWidget globals
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| 142 | *****************************************************************************/
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| 143 | #ifndef QT_MAC_USE_COCOA
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| 144 | typedef QHash<Qt::WindowFlags, WindowGroupRef> WindowGroupHash;
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| 145 | Q_GLOBAL_STATIC(WindowGroupHash, qt_mac_window_groups)
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| 146 | const UInt32 kWidgetCreatorQt = kEventClassQt;
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| 147 | enum {
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| 148 | kWidgetPropertyQWidget = 'QWId' //QWidget *
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| 149 | };
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| 150 | #endif
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| 151 |
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| 152 | static bool qt_mac_raise_process = true;
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| 153 | static OSWindowRef qt_root_win = 0;
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| 154 | QWidget *mac_mouse_grabber = 0;
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| 155 | QWidget *mac_keyboard_grabber = 0;
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| 156 |
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| 157 | #ifndef QT_MAC_USE_COCOA
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| 158 | #ifdef QT_NAMESPACE
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| 159 |
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| 160 | // produce the string "com.trolltech.qt-namespace.widget", where "namespace" is the contents of QT_NAMESPACE.
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| 161 | #define SS(x) #x
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| 162 | #define S0(x) SS(x)
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| 163 | #define S "com.trolltech.qt-" S0(QT_NAMESPACE) ".widget"
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| 164 |
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| 165 | static CFStringRef kObjectQWidget = CFSTR(S);
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| 166 |
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| 167 | #undef SS
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| 168 | #undef S0
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| 169 | #undef S
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| 170 |
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| 171 | #else
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| 172 | static CFStringRef kObjectQWidget = CFSTR("com.trolltech.qt.widget");
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| 173 | #endif // QT_NAMESPACE
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| 174 | #endif // QT_MAC_USE_COCOA
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| 175 |
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| 176 | /*****************************************************************************
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| 177 | Externals
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| 178 | *****************************************************************************/
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| 179 | extern QWidget *qt_mac_modal_blocked(QWidget *); //qapplication_mac.mm
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| 180 | extern void qt_event_request_activate(QWidget *); //qapplication_mac.mm
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| 181 | extern bool qt_event_remove_activate(); //qapplication_mac.mm
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| 182 | extern void qt_mac_event_release(QWidget *w); //qapplication_mac.mm
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| 183 | extern void qt_event_request_showsheet(QWidget *); //qapplication_mac.mm
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| 184 | extern void qt_event_request_window_change(QWidget *); //qapplication_mac.mm
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| 185 | extern QPointer<QWidget> qt_mouseover; //qapplication_mac.mm
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| 186 | extern IconRef qt_mac_create_iconref(const QPixmap &); //qpixmap_mac.cpp
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| 187 | extern void qt_mac_set_cursor(const QCursor *, const QPoint &); //qcursor_mac.mm
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| 188 | extern void qt_mac_update_cursor(); //qcursor_mac.mm
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| 189 | extern bool qt_nograb();
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| 190 | extern CGImageRef qt_mac_create_cgimage(const QPixmap &, bool); //qpixmap_mac.cpp
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| 191 | extern RgnHandle qt_mac_get_rgn(); //qregion_mac.cpp
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| 192 | extern QRegion qt_mac_convert_mac_region(RgnHandle rgn); //qregion_mac.cpp
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| 193 |
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| 194 | /*****************************************************************************
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| 195 | QWidget utility functions
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| 196 | *****************************************************************************/
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| 197 | void Q_GUI_EXPORT qt_mac_set_raise_process(bool b) { qt_mac_raise_process = b; }
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| 198 | static QSize qt_mac_desktopSize()
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| 199 | {
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| 200 | int w = 0, h = 0;
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| 201 | CGDisplayCount cg_count;
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| 202 | CGGetActiveDisplayList(0, 0, &cg_count);
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| 203 | QVector<CGDirectDisplayID> displays(cg_count);
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| 204 | CGGetActiveDisplayList(cg_count, displays.data(), &cg_count);
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| 205 | Q_ASSERT(cg_count == (CGDisplayCount)displays.size());
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| 206 | for(int i = 0; i < (int)cg_count; ++i) {
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| 207 | CGRect r = CGDisplayBounds(displays.at(i));
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| 208 | w = qMax<int>(w, qRound(r.origin.x + r.size.width));
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