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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
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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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 @implementation QNSWindow
59 - (BOOL)canBecomeKeyWindow
62 // The default implementation returns NO for title-bar less windows,
63 // override and return yes here to make sure popup windows such as
64 // the combobox popup can become the key window.
70 @implementation QNSPanel
72 - (BOOL)canBecomeKeyWindow
79 QCocoaWindow::QCocoaWindow(QWindow *tlw)
80 : QPlatformWindow(tlw)
81 , m_windowAttributes(0)
85 QCocoaAutoReleasePool pool;
87 determineWindowClass();
88 m_nsWindow = createWindow();
90 QNSWindowDelegate *delegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
91 [m_nsWindow setDelegate:delegate];
92 [m_nsWindow setAcceptsMouseMovedEvents:YES];
94 // Prevent Cocoa from releasing the window on close. Qt
95 // handles the close event asynchronously and we want to
96 // make sure that m_nsWindow stays valid until the
97 // QCocoaWindow is deleted by Qt.
98 [m_nsWindow setReleasedWhenClosed : NO];
100 m_contentView = [[QNSView alloc] initWithQWindow:tlw];
102 // ### Accept touch events by default.
103 // Beware that enabling touch events has a negative impact on the overall performance.
104 // We probably need a QWindowSystemInterface API to enable/disable touch events.
105 [m_contentView setAcceptsTouchEvents:YES];
107 setGeometry(tlw->geometry());
109 [m_nsWindow setContentView:m_contentView];
112 QCocoaWindow::~QCocoaWindow()
114 [m_nsWindow release];
117 void QCocoaWindow::setGeometry(const QRect &rect)
119 if (geometry() == rect)
121 QPlatformWindow::setGeometry(rect);
123 NSRect bounds = qt_mac_flipRect(rect, window());
125 [[m_nsWindow contentView] setFrameSize:bounds.size];
126 [m_nsWindow setContentSize : bounds.size];
127 [m_nsWindow setFrameOrigin : bounds.origin];
130 void QCocoaWindow::setVisible(bool visible)
133 // The parent window might have moved while this window was hidden,
134 // update the window geometry if there is a parent.
135 if (window()->transientParent())
136 setGeometry(window()->geometry());
138 // Make sure the QWindow has a frame ready before we show the NSWindow.
139 QWindowSystemInterface::handleSynchronousExposeEvent(window(), QRect(QPoint(), geometry().size()));
141 [m_nsWindow makeKeyAndOrderFront:nil];
143 [m_nsWindow orderOut:nil];
147 void QCocoaWindow::setWindowTitle(const QString &title)
149 CFStringRef windowTitle = QCFString::toCFStringRef(title);
150 [m_nsWindow setTitle: const_cast<NSString *>(reinterpret_cast<const NSString *>(windowTitle))];
151 CFRelease(windowTitle);
154 void QCocoaWindow::raise()
156 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
157 [m_nsWindow orderFront: m_nsWindow];
160 void QCocoaWindow::lower()
162 [m_nsWindow orderFront: m_nsWindow];
165 void QCocoaWindow::propagateSizeHints()
167 [m_nsWindow setMinSize : qt_mac_toNSSize(window()->minimumSize())];
168 [m_nsWindow setMaxSize : qt_mac_toNSSize(window()->maximumSize())];
170 if (!window()->sizeIncrement().isNull())
171 [m_nsWindow setResizeIncrements : qt_mac_toNSSize(window()->sizeIncrement())];
173 // We must set the window frame after setting the minimum size to prevent the window
174 // from being resized to the minimum size. Use QWindow::baseSize if set, otherwise
175 // use the current size.
176 QSize baseSize = window()->baseSize();
177 QRect rect = geometry();
178 if (!baseSize.isNull()) {
179 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), baseSize.width(), baseSize.height()) display : YES];
181 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height()) display : YES];
185 bool QCocoaWindow::setKeyboardGrabEnabled(bool grab)
187 if (grab && ![m_nsWindow isKeyWindow])
188 [m_nsWindow makeKeyWindow];
189 else if (!grab && [m_nsWindow isKeyWindow])
190 [m_nsWindow resignKeyWindow];
194 bool QCocoaWindow::setMouseGrabEnabled(bool grab)
196 if (grab && ![m_nsWindow isKeyWindow])
197 [m_nsWindow makeKeyWindow];
198 else if (!grab && [m_nsWindow isKeyWindow])
199 [m_nsWindow resignKeyWindow];
203 WId QCocoaWindow::winId() const
205 return WId(m_nsWindow);
208 NSView *QCocoaWindow::contentView() const
210 return [m_nsWindow contentView];
213 void QCocoaWindow::windowDidMove()
215 NSRect rect = [[m_nsWindow contentView]frame];
216 NSRect windowRect = [m_nsWindow frame];
218 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
220 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
223 void QCocoaWindow::windowDidResize()
225 NSRect rect = [[m_nsWindow contentView]frame];
226 NSRect windowRect = [m_nsWindow frame];
228 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
230 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
234 void QCocoaWindow::windowWillClose()
236 QWindowSystemInterface::handleCloseEvent(window());
239 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
241 m_glContext = context;
244 QCocoaGLContext *QCocoaWindow::currentContext() const
250 Determine the window class based on the window type and
251 window flags, and widget attr Sets m_windowAttributes
254 void QCocoaWindow::determineWindowClass()
256 Qt::WindowType type = window()->windowType();
257 Qt::WindowFlags flags = window()->windowFlags();
259 const bool popup = (type == Qt::Popup);
261 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
262 flags |= Qt::FramelessWindowHint;
264 m_windowClass = kSheetWindowClass;
266 if (popup || type == Qt::SplashScreen)
267 m_windowClass = kModalWindowClass;
268 else if (type == Qt::ToolTip)
269 m_windowClass = kHelpWindowClass;
270 else if (type == Qt::Tool)
271 m_windowClass = kFloatingWindowClass;
273 m_windowClass = kDocumentWindowClass;
275 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
277 // if(qt_mac_is_macsheet(window())) {
278 // m_windowClass = kSheetWindowClass;
282 // Shift things around a bit to get the correct window class based on the presence
283 // (or lack) of the border.
285 bool customize = flags & Qt::CustomizeWindowHint;
286 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
287 if (framelessWindow) {
288 if (m_windowClass == kDocumentWindowClass) {
289 m_windowAttributes |= kWindowNoTitleBarAttribute;
290 } else if (m_windowClass == kFloatingWindowClass) {
291 m_windowAttributes |= kWindowNoTitleBarAttribute;
292 } else if (m_windowClass == kMovableModalWindowClass) {
293 m_windowClass = kModalWindowClass;
296 m_windowAttributes |= NSTitledWindowMask;
297 if (m_windowClass != kModalWindowClass)
298 m_windowAttributes |= NSResizableWindowMask;
301 // Only add extra decorations (well, buttons) for widgets that can have them
302 // and have an actual border we can put them on.
304 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
305 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
306 && !framelessWindow && m_windowClass != kDrawerWindowClass
307 && m_windowClass != kHelpWindowClass) {
308 if (flags & Qt::WindowMinimizeButtonHint)
309 m_windowAttributes |= NSMiniaturizableWindowMask;
310 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
311 m_windowAttributes |= NSClosableWindowMask;
313 // Clear these hints so that we aren't call them on invalid windows
314 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
315 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
320 if((popup || type == Qt::Tool) && !window()->isModal())
321 m_windowAttributes |= kWindowHideOnSuspendAttribute;
322 m_windowAttributes |= kWindowLiveResizeAttribute;
328 NSWindow * QCocoaWindow::createWindow()
330 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
331 // in deciding if we need the maximize button or not (i.e., it's resizable, so you
332 // must need a maximize button). So, the only buttons we have control over are the
333 // close and minimize buttons. If someone wants to customize and NOT have the maximize
334 // button, then we have to do our hack. We only do it for these cases because otherwise
335 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
336 // intruding on a public space and WILL BREAK in the future.
337 // One can hope that there is a more public API available by that time.
339 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
340 if ((flags & Qt::CustomizeWindowHint)) {
341 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
342 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
343 && !(flags & Qt::WindowMaximizeButtonHint))
344 wattr |= QtMacCustomizeWindow;
347 NSRect frame = qt_mac_flipRect(window()->geometry(), window());
348 QCocoaAutoReleasePool pool;
351 switch (m_windowClass) {
352 case kMovableModalWindowClass:
353 case kModalWindowClass:
354 case kSheetWindowClass:
355 case kFloatingWindowClass:
356 case kOverlayWindowClass:
357 case kHelpWindowClass: {
360 BOOL needFloating = NO;
361 //BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
363 // Add in the extra flags if necessary.
364 switch (m_windowClass) {
365 case kSheetWindowClass:
366 m_windowAttributes |= NSDocModalWindowMask;
368 case kFloatingWindowClass:
369 case kHelpWindowClass:
371 m_windowAttributes |= NSUtilityWindowMask;
377 panel = [[QNSPanel alloc] initWithContentRect:frame
378 styleMask:m_windowAttributes
379 backing:NSBackingStoreBuffered
380 defer:NO]; // see window case below
382 // [panel setFloatingPanel:needFloating];
383 // [panel setWorksWhenModal:worksWhenModal];
384 window = static_cast<NSWindow *>(panel);
388 window = [[QNSWindow alloc] initWithContentRect:frame
389 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
390 backing:NSBackingStoreBuffered
391 defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
392 // before the window is shown and needs a proper window.).
396 //qt_syncCocoaTitleBarButtons(window, widget);
399 // Returns the current global screen geometry for the nswindow associated with this window.
400 QRect QCocoaWindow::windowGeometry() const
402 NSRect rect = [m_nsWindow frame];
403 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
404 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
405 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
409 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
410 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
412 if (window() && window()->transientParent()) {
413 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());