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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)
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9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
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14 ** file. Please review the following information to ensure the GNU Lesser
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22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
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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 // ### Accept touch events by default.
94 // Beware that enabling touch events has a negative impact on the overall performance.
95 // We probably need a QWindowSystemInterface API to enable/disable touch events.
96 [m_contentView setAcceptsTouchEvents:YES];
98 setGeometry(tlw->geometry());
100 [m_nsWindow setContentView:m_contentView];
103 QCocoaWindow::~QCocoaWindow()
105 [m_nsWindow release];
108 void QCocoaWindow::setGeometry(const QRect &rect)
110 QPlatformWindow::setGeometry(rect);
112 NSRect bounds = globalGeometry(rect);
113 [[m_nsWindow contentView]setFrameSize:bounds.size];
114 [m_nsWindow setContentSize : bounds.size];
115 [m_nsWindow setFrameOrigin : bounds.origin];
118 m_glContext->update();
121 void QCocoaWindow::setVisible(bool visible)
124 // The parent window might have moved while this window was hidden,
125 // update the window geometry if there is a parent.
126 if (window()->transientParent())
127 setGeometry(window()->geometry());
129 // Make sure the QWindow has a frame ready before we show the NSWindow.
130 QWindowSystemInterface::handleSynchronousExposeEvent(window(), QRect(QPoint(), geometry().size()));
132 [m_nsWindow makeKeyAndOrderFront:nil];
134 [m_nsWindow orderOut:nil];
138 void QCocoaWindow::setWindowTitle(const QString &title)
140 CFStringRef windowTitle = QCFString::toCFStringRef(title);
141 [m_nsWindow setTitle: const_cast<NSString *>(reinterpret_cast<const NSString *>(windowTitle))];
142 CFRelease(windowTitle);
145 void QCocoaWindow::raise()
147 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
148 [m_nsWindow orderFront: m_nsWindow];
151 void QCocoaWindow::lower()
153 [m_nsWindow orderFront: m_nsWindow];
156 WId QCocoaWindow::winId() const
158 return WId(m_nsWindow);
161 NSView *QCocoaWindow::contentView() const
163 return [m_nsWindow contentView];
166 void QCocoaWindow::windowDidMove()
169 m_glContext->update();
172 void QCocoaWindow::windowDidResize()
175 m_glContext->update();
177 NSRect rect = [[m_nsWindow contentView]frame];
178 QRect geo(rect.origin.x,rect.origin.y,rect.size.width,rect.size.height);
179 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
183 void QCocoaWindow::windowWillClose()
185 QWindowSystemInterface::handleCloseEvent(window());
188 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
190 m_glContext = context;
193 QCocoaGLContext *QCocoaWindow::currentContext() const
199 Determine the window class based on the window type and
200 window flags, and widget attr Sets m_windowAttributes
203 void QCocoaWindow::determineWindowClass()
205 Qt::WindowType type = window()->windowType();
206 Qt::WindowFlags flags = window()->windowFlags();
208 const bool popup = (type == Qt::Popup);
210 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
211 flags |= Qt::FramelessWindowHint;
213 m_windowClass = kSheetWindowClass;
215 if (popup || type == Qt::SplashScreen)
216 m_windowClass = kModalWindowClass;
217 else if (type == Qt::ToolTip)
218 m_windowClass = kHelpWindowClass;
219 else if (type == Qt::Tool)
220 m_windowClass = kFloatingWindowClass;
222 m_windowClass = kDocumentWindowClass;
224 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
226 // if(qt_mac_is_macsheet(window())) {
227 // m_windowClass = kSheetWindowClass;
231 // Shift things around a bit to get the correct window class based on the presence
232 // (or lack) of the border.
234 bool customize = flags & Qt::CustomizeWindowHint;
235 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
236 if (framelessWindow) {
237 if (m_windowClass == kDocumentWindowClass) {
238 m_windowAttributes |= kWindowNoTitleBarAttribute;
239 } else if (m_windowClass == kFloatingWindowClass) {
240 m_windowAttributes |= kWindowNoTitleBarAttribute;
241 } else if (m_windowClass == kMovableModalWindowClass) {
242 m_windowClass = kModalWindowClass;
245 m_windowAttributes |= NSTitledWindowMask;
246 if (m_windowClass != kModalWindowClass)
247 m_windowAttributes |= NSResizableWindowMask;
250 // Only add extra decorations (well, buttons) for widgets that can have them
251 // and have an actual border we can put them on.
253 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
254 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
255 && !framelessWindow && m_windowClass != kDrawerWindowClass
256 && m_windowClass != kHelpWindowClass) {
257 if (flags & Qt::WindowMinimizeButtonHint)
258 m_windowAttributes |= NSMiniaturizableWindowMask;
259 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
260 m_windowAttributes |= NSClosableWindowMask;
262 // Clear these hints so that we aren't call them on invalid windows
263 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
264 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
269 if((popup || type == Qt::Tool) && !window()->isModal())
270 m_windowAttributes |= kWindowHideOnSuspendAttribute;
271 m_windowAttributes |= kWindowLiveResizeAttribute;
277 QNSWindow * QCocoaWindow::createWindow()
279 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
280 // in deciding if we need the maximize button or not (i.e., it's resizeable, so you
281 // must need a maximize button). So, the only buttons we have control over are the
282 // close and minimize buttons. If someone wants to customize and NOT have the maximize
283 // button, then we have to do our hack. We only do it for these cases because otherwise
284 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
285 // intruding on a public space and WILL BREAK in the future.
286 // One can hope that there is a more public API available by that time.
288 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
289 if ((flags & Qt::CustomizeWindowHint)) {
290 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
291 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
292 && !(flags & Qt::WindowMaximizeButtonHint))
293 wattr |= QtMacCustomizeWindow;
296 NSRect frame = globalGeometry(window()->geometry());
297 QCocoaAutoReleasePool pool;
300 switch (m_windowClass) {
301 case kMovableModalWindowClass:
302 case kModalWindowClass:
303 case kSheetWindowClass:
304 case kFloatingWindowClass:
305 case kOverlayWindowClass:
306 case kHelpWindowClass: {
309 BOOL needFloating = NO;
310 BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
312 // Add in the extra flags if necessary.
313 switch (m_windowClass) {
314 case kSheetWindowClass:
315 m_windowAttributes |= NSDocModalWindowMask;
317 case kFloatingWindowClass:
318 case kHelpWindowClass:
320 m_windowAttributes |= NSUtilityWindowMask;
326 panel = [[NSPanel alloc] initWithContentRect:frame
327 styleMask:m_windowAttributes
328 backing:NSBackingStoreBuffered
329 defer:NO]; // see window case below
331 // [panel setFloatingPanel:needFloating];
332 // [panel setWorksWhenModal:worksWhenModal];
333 window = static_cast<NSWindow *>(panel);
337 window = [[QNSWindow alloc] initWithContentRect:frame
338 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
339 backing:NSBackingStoreBuffered
340 defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
341 // before the window is shown and needs a proper window.).
345 //qt_syncCocoaTitleBarButtons(window, widget);
349 // Calculate the global screen geometry for the given local geometry, which
350 // might be in the parent window coordinate system.
351 NSRect QCocoaWindow::globalGeometry(const QRect localGeometry) const
353 QRect finalGeometry = localGeometry;
355 if (QCocoaWindow *parent = parentCocoaWindow()) {
356 QRect parentGeometry = parent->windowGeometry();
357 finalGeometry.adjust(parentGeometry.x(), parentGeometry.y(), parentGeometry.x(), parentGeometry.y());
359 // Qt child window geometry assumes that the origin is at the
360 // top-left of the content area of the parent window. The title
361 // bar is not a part of this contet area, but is still included
362 // in the NSWindow height. Move the child window down to acccount
363 // for this if the parent window has a title bar.
364 const int titlebarHeight = 22;
365 if (!(window()->windowFlags() & Qt::FramelessWindowHint))
366 finalGeometry.adjust(0, titlebarHeight, 0, titlebarHeight);
369 // The final "y invert" to get OS X global geometry:
370 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
371 int flippedY = onScreen->geometry().height() - finalGeometry.y() - finalGeometry.height();
372 return NSMakeRect(finalGeometry.x(), flippedY, finalGeometry.width(), finalGeometry.height());
375 // Returns the current global screen geometry for the nswindow accociated with this window.
376 QRect QCocoaWindow::windowGeometry() const
378 NSRect rect = [m_nsWindow frame];
379 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
380 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
381 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
385 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
386 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
388 if (window() && window()->transientParent()) {
389 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());