1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the plugins of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
41 #include "qcocoawindow.h"
42 #include "qnswindowdelegate.h"
43 #include "qcocoaautoreleasepool.h"
44 #include "qcocoaglcontext.h"
46 #include <QtCore/private/qcore_mac_p.h>
48 #include <QWindowSystemInterface>
49 #include <QPlatformScreen>
51 #include <Cocoa/Cocoa.h>
52 #include <Carbon/Carbon.h>
56 @implementation QNSWindow
58 - (BOOL)canBecomeKeyWindow
63 - (BOOL)canBecomeMainWindow
70 QCocoaWindow::QCocoaWindow(QWindow *tlw)
71 : QPlatformWindow(tlw)
72 , m_windowAttributes(0)
76 QCocoaAutoReleasePool pool;
78 determineWindowClass();
79 m_nsWindow = createWindow();
81 QNSWindowDelegate *delegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
82 [m_nsWindow setDelegate:delegate];
83 [m_nsWindow setAcceptsMouseMovedEvents:YES];
85 // Prevent Cocoa from releasing the window on close. Qt
86 // handles the close event asynchronously and we want to
87 // make sure that m_nsWindow stays valid until the
88 // QCocoaWindow is deleted by Qt.
89 [m_nsWindow setReleasedWhenClosed : NO];
91 m_contentView = [[QNSView alloc] initWithQWindow:tlw];
93 if (tlw->surfaceType() == QWindow::OpenGLSurface) {
94 NSRect glFrame = globalGeometry(window()->geometry());
95 m_windowSurfaceView = [[NSOpenGLView alloc] initWithFrame : glFrame pixelFormat : QCocoaGLContext::createNSOpenGLPixelFormat() ];
96 [m_contentView setAutoresizesSubviews : YES];
97 [m_windowSurfaceView setAutoresizingMask : (NSViewWidthSizable | NSViewHeightSizable)];
98 [m_contentView addSubview : m_windowSurfaceView];
100 m_windowSurfaceView = m_contentView;
103 setGeometry(tlw->geometry());
105 [m_nsWindow setContentView:m_contentView];
108 QCocoaWindow::~QCocoaWindow()
110 [m_nsWindow release];
113 void QCocoaWindow::setGeometry(const QRect &rect)
115 QPlatformWindow::setGeometry(rect);
117 NSRect bounds = globalGeometry(rect);
118 [[m_nsWindow contentView]setFrameSize:bounds.size];
119 [m_nsWindow setContentSize : bounds.size];
120 [m_nsWindow setFrameOrigin : bounds.origin];
123 m_glContext->update();
126 void QCocoaWindow::setVisible(bool visible)
129 // The parent window might have moved while this window was hidden,
130 // update the window geometry if there is a parent.
131 if (window()->transientParent())
132 setGeometry(window()->geometry());
134 [m_nsWindow makeKeyAndOrderFront:nil];
135 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
137 [m_nsWindow orderOut:nil];
141 void QCocoaWindow::setWindowTitle(const QString &title)
143 CFStringRef windowTitle = QCFString::toCFStringRef(title);
144 [m_nsWindow setTitle: reinterpret_cast<const NSString *>(windowTitle)];
145 CFRelease(windowTitle);
148 void QCocoaWindow::raise()
150 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
151 [m_nsWindow orderFront: m_nsWindow];
154 void QCocoaWindow::lower()
156 [m_nsWindow orderFront: m_nsWindow];
159 WId QCocoaWindow::winId() const
161 return WId(m_nsWindow);
164 NSView *QCocoaWindow::contentView() const
166 return [m_nsWindow contentView];
169 NSView *QCocoaWindow::windowSurfaceView() const
171 return m_windowSurfaceView;
174 void QCocoaWindow::windowDidMove()
177 m_glContext->update();
180 void QCocoaWindow::windowDidResize()
182 NSRect rect = [[m_nsWindow contentView]frame];
183 QRect geo(rect.origin.x,rect.origin.y,rect.size.width,rect.size.height);
184 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
187 m_glContext->update();
191 void QCocoaWindow::windowWillClose()
193 QWindowSystemInterface::handleCloseEvent(window());
196 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
198 m_glContext = context;
201 QCocoaGLContext *QCocoaWindow::currentContext() const
207 Determine the window class based on the window type and
208 window flags, and widget attr Sets m_windowAttributes
211 void QCocoaWindow::determineWindowClass()
213 Qt::WindowType type = window()->windowType();
214 Qt::WindowFlags flags = window()->windowFlags();
216 const bool popup = (type == Qt::Popup);
218 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
219 flags |= Qt::FramelessWindowHint;
221 m_windowClass = kSheetWindowClass;
223 if (popup || type == Qt::SplashScreen)
224 m_windowClass = kModalWindowClass;
225 else if (type == Qt::ToolTip)
226 m_windowClass = kHelpWindowClass;
227 else if (type == Qt::Tool)
228 m_windowClass = kFloatingWindowClass;
230 m_windowClass = kDocumentWindowClass;
232 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
234 // if(qt_mac_is_macsheet(window())) {
235 // m_windowClass = kSheetWindowClass;
239 // Shift things around a bit to get the correct window class based on the presence
240 // (or lack) of the border.
242 bool customize = flags & Qt::CustomizeWindowHint;
243 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
244 if (framelessWindow) {
245 if (m_windowClass == kDocumentWindowClass) {
246 m_windowAttributes |= kWindowNoTitleBarAttribute;
247 } else if (m_windowClass == kFloatingWindowClass) {
248 m_windowAttributes |= kWindowNoTitleBarAttribute;
249 } else if (m_windowClass == kMovableModalWindowClass) {
250 m_windowClass = kModalWindowClass;
253 m_windowAttributes |= NSTitledWindowMask;
254 if (m_windowClass != kModalWindowClass)
255 m_windowAttributes |= NSResizableWindowMask;
258 // Only add extra decorations (well, buttons) for widgets that can have them
259 // and have an actual border we can put them on.
261 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
262 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
263 && !framelessWindow && m_windowClass != kDrawerWindowClass
264 && m_windowClass != kHelpWindowClass) {
265 if (flags & Qt::WindowMinimizeButtonHint)
266 m_windowAttributes |= NSMiniaturizableWindowMask;
267 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
268 m_windowAttributes |= NSClosableWindowMask;
270 // Clear these hints so that we aren't call them on invalid windows
271 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
272 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
277 if((popup || type == Qt::Tool) && !window()->isModal())
278 m_windowAttributes |= kWindowHideOnSuspendAttribute;
279 m_windowAttributes |= kWindowLiveResizeAttribute;
285 QNSWindow * QCocoaWindow::createWindow()
287 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
288 // in deciding if we need the maximize button or not (i.e., it's resizeable, so you
289 // must need a maximize button). So, the only buttons we have control over are the
290 // close and minimize buttons. If someone wants to customize and NOT have the maximize
291 // button, then we have to do our hack. We only do it for these cases because otherwise
292 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
293 // intruding on a public space and WILL BREAK in the future.
294 // One can hope that there is a more public API available by that time.
296 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
297 if ((flags & Qt::CustomizeWindowHint)) {
298 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
299 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
300 && !(flags & Qt::WindowMaximizeButtonHint))
301 wattr |= QtMacCustomizeWindow;
304 NSRect frame = globalGeometry(window()->geometry());
305 QCocoaAutoReleasePool pool;
308 switch (m_windowClass) {
309 case kMovableModalWindowClass:
310 case kModalWindowClass:
311 case kSheetWindowClass:
312 case kFloatingWindowClass:
313 case kOverlayWindowClass:
314 case kHelpWindowClass: {
317 BOOL needFloating = NO;
318 BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
320 // Add in the extra flags if necessary.
321 switch (m_windowClass) {
322 case kSheetWindowClass:
323 m_windowAttributes |= NSDocModalWindowMask;
325 case kFloatingWindowClass:
326 case kHelpWindowClass:
328 m_windowAttributes |= NSUtilityWindowMask;
334 panel = [[NSPanel alloc] initWithContentRect:frame
335 styleMask:m_windowAttributes
336 backing:NSBackingStoreBuffered
339 // [panel setFloatingPanel:needFloating];
340 // [panel setWorksWhenModal:worksWhenModal];
345 window = [[QNSWindow alloc] initWithContentRect:frame
346 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
347 backing:NSBackingStoreBuffered
352 //qt_syncCocoaTitleBarButtons(window, widget);
356 // Calculate the global screen geometry for the given local geometry, which
357 // might be in the parent window coordinate system.
358 NSRect QCocoaWindow::globalGeometry(const QRect localGeometry) const
360 QRect finalGeometry = localGeometry;
362 if (QCocoaWindow *parent = parentCocoaWindow()) {
363 QRect parentGeometry = parent->windowGeometry();
364 finalGeometry.adjust(parentGeometry.x(), parentGeometry.y(), parentGeometry.x(), parentGeometry.y());
366 // Qt child window geometry assumes that the origin is at the
367 // top-left of the content area of the parent window. The title
368 // bar is not a part of this contet area, but is still included
369 // in the NSWindow height. Move the child window down to acccount
370 // for this if the parent window has a title bar.
371 const int titlebarHeight = 22;
372 if (!(window()->windowFlags() & Qt::FramelessWindowHint))
373 finalGeometry.adjust(0, titlebarHeight, 0, titlebarHeight);
376 // The final "y invert" to get OS X global geometry:
377 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
378 int flippedY = onScreen->geometry().height() - finalGeometry.y() - finalGeometry.height();
379 return NSMakeRect(finalGeometry.x(), flippedY, finalGeometry.width(), finalGeometry.height());
382 // Returns the current global screen geometry for the nswindow accociated with this window.
383 QRect QCocoaWindow::windowGeometry() const
385 NSRect rect = [m_nsWindow frame];
386 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
387 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
388 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
392 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
393 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
395 if (window() && window()->transientParent()) {
396 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());