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3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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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
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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
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18 ** In addition, as a special exception, Nokia gives you certain additional
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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
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
41 #include "qcocoawindow.h"
42 #include "qnswindowdelegate.h"
43 #include "qcocoaautoreleasepool.h"
44 #include "qcocoaglcontext.h"
45 #include "qcocoahelpers.h"
47 #include <QtCore/private/qcore_mac_p.h>
49 #include <QWindowSystemInterface>
50 #include <QPlatformScreen>
52 #include <Cocoa/Cocoa.h>
53 #include <Carbon/Carbon.h>
57 QCocoaWindow::QCocoaWindow(QWindow *tlw)
58 : QPlatformWindow(tlw)
59 , m_windowAttributes(0)
63 QCocoaAutoReleasePool pool;
65 determineWindowClass();
66 m_nsWindow = createWindow();
68 QNSWindowDelegate *delegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
69 [m_nsWindow setDelegate:delegate];
70 [m_nsWindow setAcceptsMouseMovedEvents:YES];
72 // Prevent Cocoa from releasing the window on close. Qt
73 // handles the close event asynchronously and we want to
74 // make sure that m_nsWindow stays valid until the
75 // QCocoaWindow is deleted by Qt.
76 [m_nsWindow setReleasedWhenClosed : NO];
78 m_contentView = [[QNSView alloc] initWithQWindow:tlw];
80 // ### Accept touch events by default.
81 // Beware that enabling touch events has a negative impact on the overall performance.
82 // We probably need a QWindowSystemInterface API to enable/disable touch events.
83 [m_contentView setAcceptsTouchEvents:YES];
85 setGeometry(tlw->geometry());
87 [m_nsWindow setContentView:m_contentView];
90 QCocoaWindow::~QCocoaWindow()
95 void QCocoaWindow::setGeometry(const QRect &rect)
97 QPlatformWindow::setGeometry(rect);
99 NSRect bounds = globalGeometry(rect);
100 [[m_nsWindow contentView]setFrameSize:bounds.size];
101 [m_nsWindow setContentSize : bounds.size];
102 [m_nsWindow setFrameOrigin : bounds.origin];
105 m_glContext->update();
108 void QCocoaWindow::setVisible(bool visible)
111 // The parent window might have moved while this window was hidden,
112 // update the window geometry if there is a parent.
113 if (window()->transientParent())
114 setGeometry(window()->geometry());
116 // Make sure the QWindow has a frame ready before we show the NSWindow.
117 QWindowSystemInterface::handleSynchronousExposeEvent(window(), QRect(QPoint(), geometry().size()));
119 [m_nsWindow makeKeyAndOrderFront:nil];
121 [m_nsWindow orderOut:nil];
125 void QCocoaWindow::setWindowTitle(const QString &title)
127 CFStringRef windowTitle = QCFString::toCFStringRef(title);
128 [m_nsWindow setTitle: const_cast<NSString *>(reinterpret_cast<const NSString *>(windowTitle))];
129 CFRelease(windowTitle);
132 void QCocoaWindow::raise()
134 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
135 [m_nsWindow orderFront: m_nsWindow];
138 void QCocoaWindow::lower()
140 [m_nsWindow orderFront: m_nsWindow];
143 void QCocoaWindow::propagateSizeHints()
145 [m_nsWindow setMinSize : qt_mac_toNSSize(window()->minimumSize())];
146 [m_nsWindow setMaxSize : qt_mac_toNSSize(window()->maximumSize())];
148 if (!window()->sizeIncrement().isNull())
149 [m_nsWindow setResizeIncrements : qt_mac_toNSSize(window()->sizeIncrement())];
151 // We must set the window frame after setting the minimum size to prevent the window
152 // from being resized to the minimum size. Use QWindow::baseSize if set, otherwise
153 // use the current size.
154 QSize baseSize = window()->baseSize();
155 QRect rect = geometry();
156 if (!baseSize.isNull()) {
157 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), baseSize.width(), baseSize.height()) display : YES];
159 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height()) display : YES];
163 WId QCocoaWindow::winId() const
165 return WId(m_nsWindow);
168 NSView *QCocoaWindow::contentView() const
170 return [m_nsWindow contentView];
173 void QCocoaWindow::windowDidMove()
176 m_glContext->update();
178 NSRect rect = [[m_nsWindow contentView]frame];
179 NSRect windowRect = [m_nsWindow frame];
181 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
183 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
186 void QCocoaWindow::windowDidResize()
189 m_glContext->update();
191 NSRect rect = [[m_nsWindow contentView]frame];
192 NSRect windowRect = [m_nsWindow frame];
194 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
196 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
200 void QCocoaWindow::windowWillClose()
202 QWindowSystemInterface::handleCloseEvent(window());
205 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
207 m_glContext = context;
210 QCocoaGLContext *QCocoaWindow::currentContext() const
216 Determine the window class based on the window type and
217 window flags, and widget attr Sets m_windowAttributes
220 void QCocoaWindow::determineWindowClass()
222 Qt::WindowType type = window()->windowType();
223 Qt::WindowFlags flags = window()->windowFlags();
225 const bool popup = (type == Qt::Popup);
227 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
228 flags |= Qt::FramelessWindowHint;
230 m_windowClass = kSheetWindowClass;
232 if (popup || type == Qt::SplashScreen)
233 m_windowClass = kModalWindowClass;
234 else if (type == Qt::ToolTip)
235 m_windowClass = kHelpWindowClass;
236 else if (type == Qt::Tool)
237 m_windowClass = kFloatingWindowClass;
239 m_windowClass = kDocumentWindowClass;
241 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
243 // if(qt_mac_is_macsheet(window())) {
244 // m_windowClass = kSheetWindowClass;
248 // Shift things around a bit to get the correct window class based on the presence
249 // (or lack) of the border.
251 bool customize = flags & Qt::CustomizeWindowHint;
252 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
253 if (framelessWindow) {
254 if (m_windowClass == kDocumentWindowClass) {
255 m_windowAttributes |= kWindowNoTitleBarAttribute;
256 } else if (m_windowClass == kFloatingWindowClass) {
257 m_windowAttributes |= kWindowNoTitleBarAttribute;
258 } else if (m_windowClass == kMovableModalWindowClass) {
259 m_windowClass = kModalWindowClass;
262 m_windowAttributes |= NSTitledWindowMask;
263 if (m_windowClass != kModalWindowClass)
264 m_windowAttributes |= NSResizableWindowMask;
267 // Only add extra decorations (well, buttons) for widgets that can have them
268 // and have an actual border we can put them on.
270 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
271 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
272 && !framelessWindow && m_windowClass != kDrawerWindowClass
273 && m_windowClass != kHelpWindowClass) {
274 if (flags & Qt::WindowMinimizeButtonHint)
275 m_windowAttributes |= NSMiniaturizableWindowMask;
276 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
277 m_windowAttributes |= NSClosableWindowMask;
279 // Clear these hints so that we aren't call them on invalid windows
280 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
281 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
286 if((popup || type == Qt::Tool) && !window()->isModal())
287 m_windowAttributes |= kWindowHideOnSuspendAttribute;
288 m_windowAttributes |= kWindowLiveResizeAttribute;
294 NSWindow * QCocoaWindow::createWindow()
296 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
297 // in deciding if we need the maximize button or not (i.e., it's resizable, so you
298 // must need a maximize button). So, the only buttons we have control over are the
299 // close and minimize buttons. If someone wants to customize and NOT have the maximize
300 // button, then we have to do our hack. We only do it for these cases because otherwise
301 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
302 // intruding on a public space and WILL BREAK in the future.
303 // One can hope that there is a more public API available by that time.
305 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
306 if ((flags & Qt::CustomizeWindowHint)) {
307 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
308 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
309 && !(flags & Qt::WindowMaximizeButtonHint))
310 wattr |= QtMacCustomizeWindow;
313 NSRect frame = globalGeometry(window()->geometry());
314 QCocoaAutoReleasePool pool;
317 switch (m_windowClass) {
318 case kMovableModalWindowClass:
319 case kModalWindowClass:
320 case kSheetWindowClass:
321 case kFloatingWindowClass:
322 case kOverlayWindowClass:
323 case kHelpWindowClass: {
326 BOOL needFloating = NO;
327 //BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
329 // Add in the extra flags if necessary.
330 switch (m_windowClass) {
331 case kSheetWindowClass:
332 m_windowAttributes |= NSDocModalWindowMask;
334 case kFloatingWindowClass:
335 case kHelpWindowClass:
337 m_windowAttributes |= NSUtilityWindowMask;
343 panel = [[NSPanel alloc] initWithContentRect:frame
344 styleMask:m_windowAttributes
345 backing:NSBackingStoreBuffered
346 defer:NO]; // see window case below
348 // [panel setFloatingPanel:needFloating];
349 // [panel setWorksWhenModal:worksWhenModal];
350 window = static_cast<NSWindow *>(panel);
354 window = [[NSWindow alloc] initWithContentRect:frame
355 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
356 backing:NSBackingStoreBuffered
357 defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
358 // before the window is shown and needs a proper window.).
362 //qt_syncCocoaTitleBarButtons(window, widget);
366 // Calculate the global screen geometry for the given local geometry, which
367 // might be in the parent window coordinate system.
368 NSRect QCocoaWindow::globalGeometry(const QRect localGeometry) const
370 QRect finalGeometry = localGeometry;
372 if (QCocoaWindow *parent = parentCocoaWindow()) {
373 QRect parentGeometry = parent->windowGeometry();
374 finalGeometry.adjust(parentGeometry.x(), parentGeometry.y(), parentGeometry.x(), parentGeometry.y());
376 // Qt child window geometry assumes that the origin is at the
377 // top-left of the content area of the parent window. The title
378 // bar is not a part of this content area, but is still included
379 // in the NSWindow height. Move the child window down to account
380 // for this if the parent window has a title bar.
381 const int titlebarHeight = 22;
382 if (!(window()->windowFlags() & Qt::FramelessWindowHint))
383 finalGeometry.adjust(0, titlebarHeight, 0, titlebarHeight);
386 // The final "y invert" to get OS X global geometry:
387 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
388 int flippedY = onScreen->geometry().height() - finalGeometry.y() - finalGeometry.height();
389 return NSMakeRect(finalGeometry.x(), flippedY, finalGeometry.width(), finalGeometry.height());
392 // Returns the current global screen geometry for the nswindow associated with this window.
393 QRect QCocoaWindow::windowGeometry() const
395 NSRect rect = [m_nsWindow frame];
396 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
397 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
398 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
402 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
403 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
405 if (window() && window()->transientParent()) {
406 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());