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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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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 m_glContext->update();
133 void QCocoaWindow::setVisible(bool visible)
136 // The parent window might have moved while this window was hidden,
137 // update the window geometry if there is a parent.
138 if (window()->transientParent())
139 setGeometry(window()->geometry());
141 // Make sure the QWindow has a frame ready before we show the NSWindow.
142 QWindowSystemInterface::handleSynchronousExposeEvent(window(), QRect(QPoint(), geometry().size()));
144 [m_nsWindow makeKeyAndOrderFront:nil];
146 [m_nsWindow orderOut:nil];
150 void QCocoaWindow::setWindowTitle(const QString &title)
152 CFStringRef windowTitle = QCFString::toCFStringRef(title);
153 [m_nsWindow setTitle: const_cast<NSString *>(reinterpret_cast<const NSString *>(windowTitle))];
154 CFRelease(windowTitle);
157 void QCocoaWindow::raise()
159 // ### handle spaces (see Qt 4 raise_sys in qwidget_mac.mm)
160 [m_nsWindow orderFront: m_nsWindow];
163 void QCocoaWindow::lower()
165 [m_nsWindow orderFront: m_nsWindow];
168 void QCocoaWindow::propagateSizeHints()
170 [m_nsWindow setMinSize : qt_mac_toNSSize(window()->minimumSize())];
171 [m_nsWindow setMaxSize : qt_mac_toNSSize(window()->maximumSize())];
173 if (!window()->sizeIncrement().isNull())
174 [m_nsWindow setResizeIncrements : qt_mac_toNSSize(window()->sizeIncrement())];
176 // We must set the window frame after setting the minimum size to prevent the window
177 // from being resized to the minimum size. Use QWindow::baseSize if set, otherwise
178 // use the current size.
179 QSize baseSize = window()->baseSize();
180 QRect rect = geometry();
181 if (!baseSize.isNull()) {
182 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), baseSize.width(), baseSize.height()) display : YES];
184 [m_nsWindow setFrame : NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height()) display : YES];
188 bool QCocoaWindow::setKeyboardGrabEnabled(bool grab)
190 if (grab && ![m_nsWindow isKeyWindow])
191 [m_nsWindow makeKeyWindow];
192 else if (!grab && [m_nsWindow isKeyWindow])
193 [m_nsWindow resignKeyWindow];
197 bool QCocoaWindow::setMouseGrabEnabled(bool grab)
199 if (grab && ![m_nsWindow isKeyWindow])
200 [m_nsWindow makeKeyWindow];
201 else if (!grab && [m_nsWindow isKeyWindow])
202 [m_nsWindow resignKeyWindow];
206 WId QCocoaWindow::winId() const
208 return WId(m_nsWindow);
211 NSView *QCocoaWindow::contentView() const
213 return [m_nsWindow contentView];
216 void QCocoaWindow::windowDidMove()
219 m_glContext->update();
221 NSRect rect = [[m_nsWindow contentView]frame];
222 NSRect windowRect = [m_nsWindow frame];
224 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
226 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
229 void QCocoaWindow::windowDidResize()
232 m_glContext->update();
234 NSRect rect = [[m_nsWindow contentView]frame];
235 NSRect windowRect = [m_nsWindow frame];
237 QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
239 QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
243 void QCocoaWindow::windowWillClose()
245 QWindowSystemInterface::handleCloseEvent(window());
248 void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
250 m_glContext = context;
253 QCocoaGLContext *QCocoaWindow::currentContext() const
259 Determine the window class based on the window type and
260 window flags, and widget attr Sets m_windowAttributes
263 void QCocoaWindow::determineWindowClass()
265 Qt::WindowType type = window()->windowType();
266 Qt::WindowFlags flags = window()->windowFlags();
268 const bool popup = (type == Qt::Popup);
270 if (type == Qt::ToolTip || type == Qt::SplashScreen || popup)
271 flags |= Qt::FramelessWindowHint;
273 m_windowClass = kSheetWindowClass;
275 if (popup || type == Qt::SplashScreen)
276 m_windowClass = kModalWindowClass;
277 else if (type == Qt::ToolTip)
278 m_windowClass = kHelpWindowClass;
279 else if (type == Qt::Tool)
280 m_windowClass = kFloatingWindowClass;
282 m_windowClass = kDocumentWindowClass;
284 m_windowAttributes = (kWindowCompositingAttribute | kWindowStandardHandlerAttribute);
286 // if(qt_mac_is_macsheet(window())) {
287 // m_windowClass = kSheetWindowClass;
291 // Shift things around a bit to get the correct window class based on the presence
292 // (or lack) of the border.
294 bool customize = flags & Qt::CustomizeWindowHint;
295 bool framelessWindow = (flags & Qt::FramelessWindowHint || (customize && !(flags & Qt::WindowTitleHint)));
296 if (framelessWindow) {
297 if (m_windowClass == kDocumentWindowClass) {
298 m_windowAttributes |= kWindowNoTitleBarAttribute;
299 } else if (m_windowClass == kFloatingWindowClass) {
300 m_windowAttributes |= kWindowNoTitleBarAttribute;
301 } else if (m_windowClass == kMovableModalWindowClass) {
302 m_windowClass = kModalWindowClass;
305 m_windowAttributes |= NSTitledWindowMask;
306 if (m_windowClass != kModalWindowClass)
307 m_windowAttributes |= NSResizableWindowMask;
310 // Only add extra decorations (well, buttons) for widgets that can have them
311 // and have an actual border we can put them on.
313 if(m_windowClass != kModalWindowClass && m_windowClass != kMovableModalWindowClass
314 && m_windowClass != kSheetWindowClass && m_windowClass != kPlainWindowClass
315 && !framelessWindow && m_windowClass != kDrawerWindowClass
316 && m_windowClass != kHelpWindowClass) {
317 if (flags & Qt::WindowMinimizeButtonHint)
318 m_windowAttributes |= NSMiniaturizableWindowMask;
319 if (flags & Qt::WindowSystemMenuHint || flags & Qt::WindowCloseButtonHint)
320 m_windowAttributes |= NSClosableWindowMask;
322 // Clear these hints so that we aren't call them on invalid windows
323 flags &= ~(Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint
324 | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint);
329 if((popup || type == Qt::Tool) && !window()->isModal())
330 m_windowAttributes |= kWindowHideOnSuspendAttribute;
331 m_windowAttributes |= kWindowLiveResizeAttribute;
337 NSWindow * QCocoaWindow::createWindow()
339 // Determine if we need to add in our "custom window" attribute. Cocoa is rather clever
340 // in deciding if we need the maximize button or not (i.e., it's resizable, so you
341 // must need a maximize button). So, the only buttons we have control over are the
342 // close and minimize buttons. If someone wants to customize and NOT have the maximize
343 // button, then we have to do our hack. We only do it for these cases because otherwise
344 // the window looks different when activated. This "QtMacCustomizeWindow" attribute is
345 // intruding on a public space and WILL BREAK in the future.
346 // One can hope that there is a more public API available by that time.
348 Qt::WindowFlags flags = widget ? widget->windowFlags() : Qt::WindowFlags(0);
349 if ((flags & Qt::CustomizeWindowHint)) {
350 if ((flags & (Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint
351 | Qt::WindowMinimizeButtonHint | Qt::WindowTitleHint))
352 && !(flags & Qt::WindowMaximizeButtonHint))
353 wattr |= QtMacCustomizeWindow;
356 NSRect frame = qt_mac_flipRect(window()->geometry(), window());
357 QCocoaAutoReleasePool pool;
360 switch (m_windowClass) {
361 case kMovableModalWindowClass:
362 case kModalWindowClass:
363 case kSheetWindowClass:
364 case kFloatingWindowClass:
365 case kOverlayWindowClass:
366 case kHelpWindowClass: {
369 BOOL needFloating = NO;
370 //BOOL worksWhenModal = (this->window()->windowType() == Qt::Popup);
372 // Add in the extra flags if necessary.
373 switch (m_windowClass) {
374 case kSheetWindowClass:
375 m_windowAttributes |= NSDocModalWindowMask;
377 case kFloatingWindowClass:
378 case kHelpWindowClass:
380 m_windowAttributes |= NSUtilityWindowMask;
386 panel = [[QNSPanel alloc] initWithContentRect:frame
387 styleMask:m_windowAttributes
388 backing:NSBackingStoreBuffered
389 defer:NO]; // see window case below
391 // [panel setFloatingPanel:needFloating];
392 // [panel setWorksWhenModal:worksWhenModal];
393 window = static_cast<NSWindow *>(panel);
397 window = [[QNSWindow alloc] initWithContentRect:frame
398 styleMask:(NSResizableWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSTitledWindowMask)
399 backing:NSBackingStoreBuffered
400 defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
401 // before the window is shown and needs a proper window.).
405 //qt_syncCocoaTitleBarButtons(window, widget);
408 // Returns the current global screen geometry for the nswindow associated with this window.
409 QRect QCocoaWindow::windowGeometry() const
411 NSRect rect = [m_nsWindow frame];
412 QPlatformScreen *onScreen = QPlatformScreen::platformScreenForWindow(window());
413 int flippedY = onScreen->geometry().height() - rect.origin.y - rect.size.height; // account for nswindow inverted y.
414 QRect qRect = QRect(rect.origin.x, flippedY, rect.size.width, rect.size.height);
418 // Returns a pointer to the parent QCocoaWindow for this window, or 0 if there is none.
419 QCocoaWindow *QCocoaWindow::parentCocoaWindow() const
421 if (window() && window()->transientParent()) {
422 return static_cast<QCocoaWindow*>(window()->transientParent()->handle());