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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
24 ** Public License version 3.0 as published by the Free Software Foundation
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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 if (geometry() == rect)
99 QPlatformWindow::setGeometry(rect);
101 NSRect bounds = qt_mac_flipRect(rect, window());
103 [[m_nsWindow contentView] setFrameSize:bounds.size];
104 [m_nsWindow setContentSize : bounds.size];
105 [m_nsWindow setFrameOrigin : bounds.origin];
108 m_glContext->update();
111 void QCocoaWindow::setVisible(bool visible)
114 // The parent window might have moved while this window was hidden,
115 // update the window geometry if there is a parent.
116 if (window()->transientParent())
117 setGeometry(window()->geometry());
119 // Make sure the QWindow has a frame ready before we show the NSWindow.
120 QWindowSystemInterface::handleSynchronousExposeEvent(window(), QRect(QPoint(), geometry().size()));
122 [m_nsWindow makeKeyAndOrderFront:nil];
124 [m_nsWindow orderOut:nil];
128 void QCocoaWindow::setWindowTitle(const QString &title)
130 CFStringRef windowTitle = QCFString::toCFStringRef(title);
131 [m_nsWindow setTitle: const_cast<NSString *>(reinterpret_cast<const NSString *>(windowTitle))];
132 CFRelease(windowTitle);
135 void QCocoaWindow::raise()
137 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
138 [m_nsWindow orderFront: m_nsWindow];
141 void QCocoaWindow::lower()
143 [m_nsWindow orderFront: m_nsWindow];
146 void QCocoaWindow::propagateSizeHints()
148 [m_nsWindow setMinSize : qt_mac_toNSSize(window()->minimumSize())];
149 [m_nsWindow setMaxSize : qt_mac_toNSSize(window()->maximumSize())];
151 if (!window()->sizeIncrement().isNull())
152 [m_nsWindow setResizeIncrements : qt_mac_toNSSize(window()->sizeIncrement())];
154 // We must set the window frame after setting the minimum size to prevent the window
155 // from being resized to the minimum size. Use QWindow::baseSize if set, otherwise
156 // use the current size.
157 QSize baseSize = window()->baseSize();
158 QRect rect = geometry();
159 if (!baseSize.isNull()) {
160 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), baseSize.width(), baseSize.height()) display : YES];
162 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height()) display : YES];
166 WId QCocoaWindow::winId() const
168 return WId(m_nsWindow);
171 NSView *QCocoaWindow::contentView() const
173 return [m_nsWindow contentView];
176 void QCocoaWindow::windowDidMove()
179 m_glContext->update();
181 NSRect rect = [[m_nsWindow contentView]frame];
182 NSRect windowRect = [m_nsWindow frame];
184 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
186 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
189 void QCocoaWindow::windowDidResize()
192 m_glContext->update();
194 NSRect rect = [[m_nsWindow contentView]frame];
195 NSRect windowRect = [m_nsWindow frame];
197 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
199 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
203 void QCocoaWindow::windowWillClose()
205 QWindowSystemInterface::handleCloseEvent(window());
208 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
210 m_glContext = context;
213 QCocoaGLContext *QCocoaWindow::currentContext() const
219 Determine the window class based on the window type and
220 window flags, and widget attr Sets m_windowAttributes
223 void QCocoaWindow::determineWindowClass()
225 Qt::WindowType type = window()->windowType();
226 Qt::WindowFlags flags = window()->windowFlags();
228 const bool popup = (type == Qt::Popup);
230 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
231 flags |= Qt::FramelessWindowHint;
233 m_windowClass = kSheetWindowClass;
235 if (popup || type == Qt::SplashScreen)
236 m_windowClass = kModalWindowClass;
237 else if (type == Qt::ToolTip)
238 m_windowClass = kHelpWindowClass;
239 else if (type == Qt::Tool)
240 m_windowClass = kFloatingWindowClass;
242 m_windowClass = kDocumentWindowClass;
244 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
246 // if(qt_mac_is_macsheet(window())) {
247 // m_windowClass = kSheetWindowClass;
251 // Shift things around a bit to get the correct window class based on the presence
252 // (or lack) of the border.
254 bool customize = flags & Qt::CustomizeWindowHint;
255 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
256 if (framelessWindow) {
257 if (m_windowClass == kDocumentWindowClass) {
258 m_windowAttributes |= kWindowNoTitleBarAttribute;
259 } else if (m_windowClass == kFloatingWindowClass) {
260 m_windowAttributes |= kWindowNoTitleBarAttribute;
261 } else if (m_windowClass == kMovableModalWindowClass) {
262 m_windowClass = kModalWindowClass;
265 m_windowAttributes |= NSTitledWindowMask;
266 if (m_windowClass != kModalWindowClass)
267 m_windowAttributes |= NSResizableWindowMask;
270 // Only add extra decorations (well, buttons) for widgets that can have them
271 // and have an actual border we can put them on.
273 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
274 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
275 && !framelessWindow && m_windowClass != kDrawerWindowClass
276 && m_windowClass != kHelpWindowClass) {
277 if (flags & Qt::WindowMinimizeButtonHint)
278 m_windowAttributes |= NSMiniaturizableWindowMask;
279 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
280 m_windowAttributes |= NSClosableWindowMask;
282 // Clear these hints so that we aren't call them on invalid windows
283 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
284 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
289 if((popup || type == Qt::Tool) && !window()->isModal())
290 m_windowAttributes |= kWindowHideOnSuspendAttribute;
291 m_windowAttributes |= kWindowLiveResizeAttribute;
297 NSWindow * QCocoaWindow::createWindow()
299 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
300 // in deciding if we need the maximize button or not (i.e., it's resizable, so you
301 // must need a maximize button). So, the only buttons we have control over are the
302 // close and minimize buttons. If someone wants to customize and NOT have the maximize
303 // button, then we have to do our hack. We only do it for these cases because otherwise
304 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
305 // intruding on a public space and WILL BREAK in the future.
306 // One can hope that there is a more public API available by that time.
308 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
309 if ((flags & Qt::CustomizeWindowHint)) {
310 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
311 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
312 && !(flags & Qt::WindowMaximizeButtonHint))
313 wattr |= QtMacCustomizeWindow;
316 NSRect frame = qt_mac_flipRect(window()->geometry(), window());
317 QCocoaAutoReleasePool pool;
320 switch (m_windowClass) {
321 case kMovableModalWindowClass:
322 case kModalWindowClass:
323 case kSheetWindowClass:
324 case kFloatingWindowClass:
325 case kOverlayWindowClass:
326 case kHelpWindowClass: {
329 BOOL needFloating = NO;
330 //BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
332 // Add in the extra flags if necessary.
333 switch (m_windowClass) {
334 case kSheetWindowClass:
335 m_windowAttributes |= NSDocModalWindowMask;
337 case kFloatingWindowClass:
338 case kHelpWindowClass:
340 m_windowAttributes |= NSUtilityWindowMask;
346 panel = [[NSPanel alloc] initWithContentRect:frame
347 styleMask:m_windowAttributes
348 backing:NSBackingStoreBuffered
349 defer:NO]; // see window case below
351 // [panel setFloatingPanel:needFloating];
352 // [panel setWorksWhenModal:worksWhenModal];
353 window = static_cast<NSWindow *>(panel);
357 window = [[NSWindow alloc] initWithContentRect:frame
358 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
359 backing:NSBackingStoreBuffered
360 defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
361 // before the window is shown and needs a proper window.).
365 //qt_syncCocoaTitleBarButtons(window, widget);
368 // Returns the current global screen geometry for the nswindow associated with this window.
369 QRect QCocoaWindow::windowGeometry() const
371 NSRect rect = [m_nsWindow frame];
372 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
373 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
374 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
378 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
379 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
381 if (window() && window()->transientParent()) {
382 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());