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Cocoa: Merge QNSWindow and QNSPanel, inherit NSPanel

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Since we will later have frameless NSWindow child QWindows, it makes
sense to be able to keep and reuse the instantiated NSWindows in cases
like QDockWidgets. If we keep these 2 different classes, it becomes
impossible to morph one into the other.

Task-number: QTBUG-33082
Change-Id: I351c628b887101b1cfd67689afbf689f119554de
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
This commit is contained in:
Gabriel de Dietrich 2014-01-13 15:13:46 +01:00 committed by The Qt Project
parent 2d576f79f7
commit 79fb39a87c
2 changed files with 103 additions and 134 deletions
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53
src/plugins/platforms/cocoa/qcocoawindow.h
View File

@ -52,34 +52,32 @@
QT_FORWARD_DECLARE_CLASS(QCocoaWindow)
@interface QNSWindow : NSWindow {
@public QCocoaWindow *m_cocoaPlatformWindow;
}
- (void)clearPlatformWindow;
- (BOOL)canBecomeKeyWindow;
@end
@interface QNSPanel : NSPanel {
@public QCocoaWindow *m_cocoaPlatformWindow;
}
- (void)clearPlatformWindow;
- (BOOL)canBecomeKeyWindow;
@end
@class QNSWindowDelegate;
@interface QNSWindow : NSPanel {
@public
QCocoaWindow *m_cocoaPlatformWindow;
}
- (void)clearPlatformWindow;
@end
QT_BEGIN_NAMESPACE
// QCocoaWindow
//
// QCocoaWindow is an NSView (not an NSWindow!) in the sense
// that it relies on a NSView for all event handling and
// graphics output and does not require a NSWindow, except for
// for the window-related functions like setWindowTitle.
// A QCocoaWindow is backed by a NSView and optionally a NSWindow.
//
// As a consequence of this it is possible to embed the QCocoaWindow
// in an NSView hierarchy by getting a pointer to the "backing"
// NSView and not calling QCocoaWindow::show():
// The NSView is used for most event handling and graphics output.
//
// Top-level QWindows are always backed by a NSWindow in addition to
// the NSView. Child QWindows can also be backed by NSWindows, which
// enables proper stacking of GL Widgets and threaded GL rendering
// to multiple contexts.
//
// It is possible to embed the QCocoaWindow in an NSView hierarchy
// by getting a pointer to the backing NSView and not calling
// QCocoaWindow::show():
//
// QWindow *qtWindow = new MyWindow();
// qtWindow->create();
@ -135,6 +133,7 @@ public:
void windowDidResize();
bool windowShouldClose();
bool windowIsPopupType(Qt::WindowType type = Qt::Widget) const;
bool windowShouldBehaveAsPanel() const;
void setSynchedWindowStateFromWindow();
@ -170,9 +169,9 @@ protected:
// NSWindow handling. The QCocoaWindow/QNSView can either be displayed
// in an existing NSWindow or in one created by Qt.
void recreateWindow(const QPlatformWindow *parentWindow);
NSWindow *createNSWindow();
void setNSWindow(NSWindow *window);
void clearNSWindow(NSWindow *window);
QNSWindow *createNSWindow();
void setNSWindow(QNSWindow *window);
void clearNSWindow(QNSWindow *window);
QRect windowGeometry() const;
QCocoaWindow *parentCocoaWindow() const;
@ -185,12 +184,14 @@ public: // for QNSView
NSView *m_contentView;
QNSView *m_qtView;
NSWindow *m_nsWindow;
QNSWindow *m_nsWindow;
// TODO merge to one variable if possible
bool m_contentViewIsEmbedded; // true if the m_contentView is actually embedded in a "foreign" NSView hiearchy
bool m_contentViewIsToBeEmbedded; // true if the m_contentView is intended to be embedded in a "foreign" NSView hiearchy
QCocoaWindow *m_parentCocoaWindow;
QNSWindowDelegate *m_nsWindowDelegate;
Qt::WindowFlags m_windowFlags;
Qt::WindowState m_synchedWindowState;

184
src/plugins/platforms/cocoa/qcocoawindow.mm
View File

@ -80,15 +80,10 @@ static bool isMouseEvent(NSEvent *ev)
}
@interface NSWindow (CocoaWindowCategory)
- (void) clearPlatformWindow;
- (NSRect) legacyConvertRectFromScreen:(NSRect) rect;
@end
@implementation NSWindow (CocoaWindowCategory)
- (void) clearPlatformWindow
{
}
- (NSRect) legacyConvertRectFromScreen:(NSRect) rect
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
@ -104,11 +99,39 @@ static bool isMouseEvent(NSEvent *ev)
@implementation QNSWindow
- (id)initWithContentRect:(NSRect)contentRect
styleMask:(NSUInteger)windowStyle
qPlatformWindow:(QCocoaWindow *)qpw
{
self = [super initWithContentRect:contentRect
styleMask:windowStyle
backing:NSBackingStoreBuffered
defer:NO]; // Deferring window creation breaks OpenGL (the GL context is
// set up before the window is shown and needs a proper window)
if (self) {
m_cocoaPlatformWindow = qpw;
}
return self;
}
- (BOOL)canBecomeKeyWindow
{
// The default implementation returns NO for title-bar less windows,
// override and return yes here to make sure popup windows such as
// the combobox popup can become the key window.
if (!m_cocoaPlatformWindow)
return NO;
// Only tool or dialog windows should become key:
if (m_cocoaPlatformWindow && m_cocoaPlatformWindow->windowShouldBehaveAsPanel()) {
Qt::WindowType type = m_cocoaPlatformWindow->window()->type();
if (m_cocoaPlatformWindow->m_overrideBecomeKey
|| type == Qt::Tool || type == Qt::Dialog)
return YES;
return NO;
}
// All other windows can become the key window. This includes
// popup windows such as the combobox popup, which is a title-bar
// less window that by default can't become key.
return YES;
}
@ -121,6 +144,9 @@ static bool isMouseEvent(NSEvent *ev)
if (!m_cocoaPlatformWindow || m_cocoaPlatformWindow->window()->transientParent())
canBecomeMain = NO;
if (m_cocoaPlatformWindow && m_cocoaPlatformWindow->windowShouldBehaveAsPanel())
canBecomeMain = NO;
return canBecomeMain;
}
@ -151,49 +177,6 @@ static bool isMouseEvent(NSEvent *ev)
@end
@implementation QNSPanel
- (BOOL)canBecomeKeyWindow
{
if (!m_cocoaPlatformWindow)
return NO;
// Only tool or dialog windows should become key:
if (m_cocoaPlatformWindow
&& (m_cocoaPlatformWindow->m_overrideBecomeKey ||
m_cocoaPlatformWindow->window()->type() == Qt::Tool ||
m_cocoaPlatformWindow->window()->type() == Qt::Dialog))
return YES;
return NO;
}
- (void) sendEvent: (NSEvent*) theEvent
{
[super sendEvent: theEvent];
if (!m_cocoaPlatformWindow)
return;
if (m_cocoaPlatformWindow->frameStrutEventsEnabled() && isMouseEvent(theEvent)) {
NSPoint loc = [theEvent locationInWindow];
NSRect windowFrame = [self legacyConvertRectFromScreen:[self frame]];
NSRect contentFrame = [[self contentView] frame];
if (NSMouseInRect(loc, windowFrame, NO) &&
!NSMouseInRect(loc, contentFrame, NO))
{
QNSView *contentView = (QNSView *) m_cocoaPlatformWindow->contentView();
[contentView handleFrameStrutMouseEvent: theEvent];
}
}
}
- (void)clearPlatformWindow
{
m_cocoaPlatformWindow = 0;
}
@end
const int QCocoaWindow::NoAlertRequest = -1;
QCocoaWindow::QCocoaWindow(QWindow *tlw)
@ -543,15 +526,21 @@ void QCocoaWindow::setWindowFlags(Qt::WindowFlags flags)
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if (QSysInfo::QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) {
Qt::WindowType type = window()->type();
if ((type & Qt::Popup) != Qt::Popup && (type & Qt::Dialog) != Qt::Dialog) {
NSWindowCollectionBehavior behavior = [m_nsWindow collectionBehavior];
NSWindowCollectionBehavior behavior = [m_nsWindow collectionBehavior];
if (windowShouldBehaveAsPanel()) {
behavior &= ~NSWindowCollectionBehaviorFullScreenPrimary;
behavior |= NSWindowCollectionBehaviorFullScreenAuxiliary;
} else {
if (flags & Qt::WindowFullscreenButtonHint)
behavior |= NSWindowCollectionBehaviorFullScreenPrimary;
else
behavior &= ~NSWindowCollectionBehaviorFullScreenPrimary;
[m_nsWindow setCollectionBehavior:behavior];
}
[m_nsWindow setCollectionBehavior:behavior];
[m_nsWindow setAnimationBehavior:(flags & Qt::Popup) == Qt::Popup
? NSWindowAnimationBehaviorUtilityWindow
: NSWindowAnimationBehaviorDefault];
}
#endif
}
@ -823,6 +812,14 @@ bool QCocoaWindow::windowIsPopupType(Qt::WindowType type) const
return ((type & Qt::Popup) == Qt::Popup);
}
bool QCocoaWindow::windowShouldBehaveAsPanel() const
{
// Before merging QNSPanel and QNSWindow, we used NSPanel for popup-type
// windows (Popup, Tool, ToolTip, SplashScreen) and dialogs
Qt::WindowType type = window()->type();
return (type & Qt::Popup) == Qt::Popup || (type & Qt::Dialog) == Qt::Dialog;
}
void QCocoaWindow::setCurrentContext(QCocoaGLContext *context)
{
m_glContext = context;
@ -879,63 +876,29 @@ void QCocoaWindow::requestActivateWindow()
[ window makeKeyWindow ];
}
NSWindow * QCocoaWindow::createNSWindow()
QNSWindow * QCocoaWindow::createNSWindow()
{
QCocoaAutoReleasePool pool;
QRect rect = initialGeometry(window(), window()->geometry(), defaultWindowWidth, defaultWindowHeight);
NSRect frame = qt_mac_flipRect(rect, window());
Qt::WindowType type = window()->type();
Qt::WindowFlags flags = window()->flags();
NSUInteger styleMask = windowStyleMask(flags);
NSWindow *createdWindow = 0;
NSUInteger styleMask;
styleMask = windowStyleMask(flags);
// Use NSPanel for popup-type windows. (Popup, Tool, ToolTip, SplashScreen)
// and dialogs
if ((type & Qt::Popup) == Qt::Popup || (type & Qt::Dialog) == Qt::Dialog) {
QNSPanel *window;
window = [[QNSPanel alloc] initWithContentRect:frame
styleMask: styleMask
backing:NSBackingStoreBuffered
defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
// before the window is shown and needs a proper window.).
if ((type & Qt::Popup) == Qt::Popup)
[window setHasShadow:YES];
[window setHidesOnDeactivate: NO];
QNSWindow *createdWindow = [[QNSWindow alloc] initWithContentRect:frame styleMask:styleMask qPlatformWindow:this];
Qt::WindowFlags type = window()->type();
createdWindow.hidesOnDeactivate = type == Qt::Tool || type == Qt::ToolTip;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if (QSysInfo::QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) {
// Make popup winows show on the same desktop as the parent full-screen window.
[window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenAuxiliary];
if ((type & Qt::Popup) == Qt::Popup)
[window setAnimationBehavior:NSWindowAnimationBehaviorUtilityWindow];
}
#endif
window->m_cocoaPlatformWindow = this;
createdWindow = window;
} else {
QNSWindow *window;
window = [[QNSWindow alloc] initWithContentRect:frame
styleMask: styleMask
backing:NSBackingStoreBuffered
defer:NO]; // Deferring window creation breaks OpenGL (the GL context is set up
// before the window is shown and needs a proper window.).
window->m_cocoaPlatformWindow = this;
createdWindow = window;
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if ([createdWindow respondsToSelector:@selector(setRestorable:)])
if (QSysInfo::QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) {
[createdWindow setRestorable: NO];
}
#endif
NSInteger level = windowLevel(flags);
[createdWindow setLevel:level];
if (window()->format().alphaBufferSize() > 0) {
[createdWindow setBackgroundColor:[NSColor clearColor]];
[createdWindow setOpaque:NO];
@ -948,10 +911,12 @@ NSWindow * QCocoaWindow::createNSWindow()
return createdWindow;
}
void QCocoaWindow::setNSWindow(NSWindow *window)
void QCocoaWindow::setNSWindow(QNSWindow *window)
{
m_nsWindowDelegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
[window setDelegate:m_nsWindowDelegate];
if (!m_nsWindowDelegate) {
m_nsWindowDelegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
[window setDelegate:m_nsWindowDelegate];
}
// Prevent Cocoa from releasing the window on close. Qt
// handles the close event asynchronously and we want to
@ -959,25 +924,28 @@ void QCocoaWindow::setNSWindow(NSWindow *window)
// QCocoaWindow is deleted by Qt.
[window setReleasedWhenClosed : NO];
if (m_qtView)
[[NSNotificationCenter defaultCenter] addObserver:m_qtView
selector:@selector(windowNotification:)
name:nil // Get all notifications
object:m_nsWindow];
[m_contentView setPostsFrameChangedNotifications: NO];
[window setContentView:m_contentView];
[m_contentView setPostsFrameChangedNotifications: YES];
if (window.contentView != m_contentView) {
[m_contentView setPostsFrameChangedNotifications: NO];
[window setContentView:m_contentView];
[m_contentView setPostsFrameChangedNotifications: YES];
}
}
void QCocoaWindow::clearNSWindow(NSWindow *window)
void QCocoaWindow::clearNSWindow(QNSWindow *window)
{
[window setContentView:nil];
[window setDelegate:nil];
[window clearPlatformWindow];
[[NSNotificationCenter defaultCenter] removeObserver:m_contentView
name:nil object:window];
if (m_qtView)
[[NSNotificationCenter defaultCenter] removeObserver:m_qtView
name:nil object:window];
}
// Returns the current global screen geometry for the nswindow associated with this window.