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Diffstat (limited to 'src/plugins/platforms/cocoa/qnswindow.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnswindow.mm | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qnswindow.mm b/src/plugins/platforms/cocoa/qnswindow.mm new file mode 100644 index 0000000000..e846fa043c --- /dev/null +++ b/src/plugins/platforms/cocoa/qnswindow.mm @@ -0,0 +1,324 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qnswindow.h" +#include "qnswindowdelegate.h" +#include "qcocoawindow.h" +#include "qcocoahelpers.h" +#include "qcocoaeventdispatcher.h" + +#include <qpa/qwindowsysteminterface.h> +#include <qoperatingsystemversion.h> + +Q_LOGGING_CATEGORY(lcCocoaEvents, "qt.qpa.cocoa.events"); + +static bool isMouseEvent(NSEvent *ev) +{ + switch ([ev type]) { + case NSLeftMouseDown: + case NSLeftMouseUp: + case NSRightMouseDown: + case NSRightMouseUp: + case NSMouseMoved: + case NSLeftMouseDragged: + case NSRightMouseDragged: + return true; + default: + return false; + } +} + +@implementation NSWindow (FullScreenProperty) + ++ (void)load +{ + NSNotificationCenter *center = [NSNotificationCenter defaultCenter]; + [center addObserverForName:NSWindowDidEnterFullScreenNotification object:nil queue:nil + usingBlock:^(NSNotification *notification) { + objc_setAssociatedObject(notification.object, @selector(qt_fullScreen), + [NSNumber numberWithBool:YES], OBJC_ASSOCIATION_RETAIN); + } + ]; + [center addObserverForName:NSWindowDidExitFullScreenNotification object:nil queue:nil + usingBlock:^(NSNotification *notification) { + objc_setAssociatedObject(notification.object, @selector(qt_fullScreen), + nil, OBJC_ASSOCIATION_RETAIN); + } + ]; +} + +- (BOOL)qt_fullScreen +{ + NSNumber *number = objc_getAssociatedObject(self, @selector(qt_fullScreen)); + return [number boolValue]; +} +@end + +#define super USE_qt_objcDynamicSuper_INSTEAD + +@implementation QNSWindow + ++ (void)load +{ + const Class windowClass = [self class]; + const Class panelClass = [QNSPanel class]; + + unsigned int methodDescriptionsCount; + objc_method_description *methods = protocol_copyMethodDescriptionList( + objc_getProtocol("QNSWindowProtocol"), NO, YES, &methodDescriptionsCount); + + for (unsigned int i = 0; i < methodDescriptionsCount; ++i) { + objc_method_description method = methods[i]; + class_addMethod(panelClass, method.name, + class_getMethodImplementation(windowClass, method.name), + method.types); + } + + free(methods); +} + +- (QCocoaWindow *)platformWindow +{ + return qnsview_cast(self.contentView).platformWindow; +} + +- (NSString *)description +{ + NSMutableString *description = [NSMutableString stringWithString:qt_objcDynamicSuper()]; + +#ifndef QT_NO_DEBUG_STREAM + QString contentViewDescription; + QDebug debug(&contentViewDescription); + debug.nospace() << "; contentView=" << qnsview_cast(self.contentView) << ">"; + + NSRange lastCharacter = [description rangeOfComposedCharacterSequenceAtIndex:description.length - 1]; + [description replaceCharactersInRange:lastCharacter withString:contentViewDescription.toNSString()]; +#endif + + return description; +} + +- (BOOL)canBecomeKeyWindow +{ + QCocoaWindow *pw = self.platformWindow; + if (!pw) + return NO; + + if (pw->shouldRefuseKeyWindowAndFirstResponder()) + return NO; + + if ([self isKindOfClass:[QNSPanel class]]) { + // Only tool or dialog windows should become key: + Qt::WindowType type = pw->window()->type(); + if (type == Qt::Tool || type == Qt::Dialog) + return YES; + + return NO; + } else { + // 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. + return YES; + } +} + +- (BOOL)canBecomeMainWindow +{ + BOOL canBecomeMain = YES; // By default, windows can become the main window + + // Windows with a transient parent (such as combobox popup windows) + // cannot become the main window: + QCocoaWindow *pw = self.platformWindow; + if (!pw || pw->window()->transientParent()) + canBecomeMain = NO; + + return canBecomeMain; +} + +- (BOOL)isOpaque +{ + return self.platformWindow ? + self.platformWindow->isOpaque() : qt_objcDynamicSuper(); +} + +/*! + Borderless windows need a transparent background + + Technically windows with NSTexturedBackgroundWindowMask (such + as windows with unified toolbars) need to draw the textured + background of the NSWindow, and can't have a transparent + background, but as NSBorderlessWindowMask is 0, you can't + have a window with NSTexturedBackgroundWindowMask that is + also borderless. +*/ +- (NSColor *)backgroundColor +{ + return self.styleMask == NSBorderlessWindowMask + ? [NSColor clearColor] : qt_objcDynamicSuper(); +} + +- (void)sendEvent:(NSEvent*)theEvent +{ + qCDebug(lcCocoaEvents) << "Sending" << theEvent << "to" << self; + + // We might get events for a NSWindow after the corresponding platform + // window has been deleted, as the NSWindow can outlive the QCocoaWindow + // e.g. if being retained by other parts of AppKit, or in an auto-release + // pool. We guard against this in QNSView as well, as not all callbacks + // come via events, but if they do there's no point in propagating them. + if (!self.platformWindow) + return; + + // Prevent deallocation of this NSWindow during event delivery, as we + // have logic further below that depends on the window being alive. + [[self retain] autorelease]; + + const char *eventType = object_getClassName(theEvent); + if (QWindowSystemInterface::handleNativeEvent(self.platformWindow->window(), + QByteArray::fromRawData(eventType, qstrlen(eventType)), theEvent, nullptr)) { + return; + } + + qt_objcDynamicSuper(theEvent); + + if (!self.platformWindow) + return; // Platform window went away while processing event + + QCocoaWindow *pw = self.platformWindow; + if (pw->frameStrutEventsEnabled() && isMouseEvent(theEvent)) { + NSPoint loc = [theEvent locationInWindow]; + NSRect windowFrame = [self convertRectFromScreen:self.frame]; + NSRect contentFrame = self.contentView.frame; + if (NSMouseInRect(loc, windowFrame, NO) && !NSMouseInRect(loc, contentFrame, NO)) + [qnsview_cast(pw->view()) handleFrameStrutMouseEvent:theEvent]; + } +} + +- (void)closeAndRelease +{ + qCDebug(lcQpaCocoaWindow) << "closeAndRelease" << self; + + [self.delegate release]; + self.delegate = nil; + + [self close]; + [self release]; +} + +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wobjc-missing-super-calls" +- (void)dealloc +{ + qCDebug(lcQpaCocoaWindow) << "dealloc" << self; + qt_objcDynamicSuper(); +} +#pragma clang diagnostic pop + ++ (void)applicationActivationChanged:(NSNotification*)notification +{ + const id sender = self; + NSEnumerator<NSWindow*> *windowEnumerator = nullptr; + NSApplication *application = [NSApplication sharedApplication]; + +#if QT_MACOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_10_12) + if (__builtin_available(macOS 10.12, *)) { + // Unfortunately there's no NSWindowListOrderedBackToFront, + // so we have to manually reverse the order using an array. + NSMutableArray *windows = [[[NSMutableArray alloc] init] autorelease]; + [application enumerateWindowsWithOptions:NSWindowListOrderedFrontToBack + usingBlock:^(NSWindow *window, BOOL *) { + // For some reason AppKit will give us nil-windows, skip those + if (!window) + return; + + [(NSMutableArray*)windows addObject:window]; + } + ]; + + windowEnumerator = windows.reverseObjectEnumerator; + } else +#endif + { + // No way to get ordered list of windows, so fall back to unordered, + // list, which typically corresponds to window creation order. + windowEnumerator = application.windows.objectEnumerator; + } + + for (NSWindow *window in windowEnumerator) { + // We're meddling with normal and floating windows, so leave others alone + if (!(window.level == NSNormalWindowLevel || window.level == NSFloatingWindowLevel)) + continue; + + // Windows that hide automatically will keep their NSFloatingWindowLevel, + // and hence be on top of the window stack. We don't want to affect these + // windows, as otherwise we might end up with key windows being ordered + // behind these auto-hidden windows when activating the application by + // clicking on a new tool window. + if (window.hidesOnDeactivate) + continue; + + if ([window conformsToProtocol:@protocol(QNSWindowProtocol)]) { + QCocoaWindow *cocoaWindow = static_cast<QCocoaNSWindow *>(window).platformWindow; + window.level = notification.name == NSApplicationWillResignActiveNotification ? + NSNormalWindowLevel : cocoaWindow->windowLevel(cocoaWindow->window()->flags()); + } + + // The documentation says that "when a window enters a new level, it’s ordered + // in front of all its peers in that level", but that doesn't seem to be the + // case in practice. To keep the order correct after meddling with the window + // levels, we explicitly order each window to the front. Since we are iterating + // the windows in back-to-front order, this is okey. The call also triggers AppKit + // to re-evaluate the level in relation to windows from other applications, + // working around an issue where our tool windows would stay on top of other + // application windows if activation was transferred to another application by + // clicking on it instead of via the application switcher or Dock. Finally, we + // do this re-ordering for all windows (except auto-hiding ones), otherwise we would + // end up triggering a bug in AppKit where the tool windows would disappear behind + // the application window. + [window orderFront:sender]; + } +} + +@end + +@implementation QNSPanel +// Implementation shared with QNSWindow, see +[QNSWindow load] above +@end + +#undef super |