diff options
Diffstat (limited to 'src/plugins/platforms/mirclient/qmirclientwindow.cpp')
-rw-r--r-- | src/plugins/platforms/mirclient/qmirclientwindow.cpp | 968 |
1 files changed, 0 insertions, 968 deletions
diff --git a/src/plugins/platforms/mirclient/qmirclientwindow.cpp b/src/plugins/platforms/mirclient/qmirclientwindow.cpp deleted file mode 100644 index decd21516e..0000000000 --- a/src/plugins/platforms/mirclient/qmirclientwindow.cpp +++ /dev/null @@ -1,968 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014-2016 Canonical, 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -// Local -#include "qmirclientwindow.h" -#include "qmirclientdebugextension.h" -#include "qmirclientnativeinterface.h" -#include "qmirclientinput.h" -#include "qmirclientintegration.h" -#include "qmirclientscreen.h" -#include "qmirclientlogging.h" - -#include <mir_toolkit/mir_client_library.h> -#include <mir_toolkit/version.h> - -// Qt -#include <qpa/qwindowsysteminterface.h> -#include <QMutexLocker> -#include <QSize> -#include <QtMath> -#include <QtEglSupport/private/qeglconvenience_p.h> - -// Platform API -#include <ubuntu/application/instance.h> - -#include <EGL/egl.h> - -Q_LOGGING_CATEGORY(mirclientBufferSwap, "qt.qpa.mirclient.bufferSwap", QtWarningMsg) - -namespace -{ -const Qt::WindowType LowChromeWindowHint = (Qt::WindowType)0x00800000; - -// FIXME: this used to be defined by platform-api, but it's been removed in v3. Change ubuntu-keyboard to use -// a different enum for window roles. -enum UAUiWindowRole { - U_MAIN_ROLE = 1, - U_DASH_ROLE, - U_INDICATOR_ROLE, - U_NOTIFICATIONS_ROLE, - U_GREETER_ROLE, - U_LAUNCHER_ROLE, - U_ON_SCREEN_KEYBOARD_ROLE, - U_SHUTDOWN_DIALOG_ROLE, -}; - -struct MirSpecDeleter -{ - void operator()(MirSurfaceSpec *spec) { mir_surface_spec_release(spec); } -}; - -using Spec = std::unique_ptr<MirSurfaceSpec, MirSpecDeleter>; - -EGLNativeWindowType nativeWindowFor(MirSurface *surf) -{ - auto stream = mir_surface_get_buffer_stream(surf); - return reinterpret_cast<EGLNativeWindowType>(mir_buffer_stream_get_egl_native_window(stream)); -} - -const char *qtWindowStateToStr(Qt::WindowState state) -{ - switch (state) { - case Qt::WindowNoState: - return "NoState"; - case Qt::WindowFullScreen: - return "FullScreen"; - case Qt::WindowMaximized: - return "Maximized"; - case Qt::WindowMinimized: - return "Minimized"; - case Qt::WindowActive: - return "Active"; - } - Q_UNREACHABLE(); -} - -const char *mirSurfaceStateToStr(MirSurfaceState surfaceState) -{ - switch (surfaceState) { - case mir_surface_state_unknown: return "unknown"; - case mir_surface_state_restored: return "restored"; - case mir_surface_state_minimized: return "minimized"; - case mir_surface_state_maximized: return "vertmaximized"; - case mir_surface_state_vertmaximized: return "vertmaximized"; - case mir_surface_state_fullscreen: return "fullscreen"; - case mir_surface_state_horizmaximized: return "horizmaximized"; - case mir_surface_state_hidden: return "hidden"; - case mir_surface_states: Q_UNREACHABLE(); - } - Q_UNREACHABLE(); -} - -const char *mirPixelFormatToStr(MirPixelFormat pixelFormat) -{ - switch (pixelFormat) { - case mir_pixel_format_invalid: return "invalid"; - case mir_pixel_format_abgr_8888: return "ABGR8888"; - case mir_pixel_format_xbgr_8888: return "XBGR8888"; - case mir_pixel_format_argb_8888: return "ARGB8888"; - case mir_pixel_format_xrgb_8888: return "XRGB8888"; - case mir_pixel_format_bgr_888: return "BGR888"; - case mir_pixel_format_rgb_888: return "RGB888"; - case mir_pixel_format_rgb_565: return "RGB565"; - case mir_pixel_format_rgba_5551: return "RGBA5551"; - case mir_pixel_format_rgba_4444: return "RGBA4444"; - case mir_pixel_formats: Q_UNREACHABLE(); - } - Q_UNREACHABLE(); -} - -const char *mirSurfaceTypeToStr(MirSurfaceType type) -{ - switch (type) { - case mir_surface_type_normal: return "Normal"; /**< AKA "regular" */ - case mir_surface_type_utility: return "Utility"; /**< AKA "floating regular" */ - case mir_surface_type_dialog: return "Dialog"; - case mir_surface_type_gloss: return "Gloss"; - case mir_surface_type_freestyle: return "Freestyle"; - case mir_surface_type_menu: return "Menu"; - case mir_surface_type_inputmethod: return "Input Method"; /**< AKA "OSK" or handwriting etc. */ - case mir_surface_type_satellite: return "Satellite"; /**< AKA "toolbox"/"toolbar" */ - case mir_surface_type_tip: return "Tip"; /**< AKA "tooltip" */ - case mir_surface_types: Q_UNREACHABLE(); - } - return ""; -} - -MirSurfaceState qtWindowStateToMirSurfaceState(Qt::WindowState state) -{ - switch (state) { - case Qt::WindowNoState: - case Qt::WindowActive: - return mir_surface_state_restored; - case Qt::WindowFullScreen: - return mir_surface_state_fullscreen; - case Qt::WindowMaximized: - return mir_surface_state_maximized; - case Qt::WindowMinimized: - return mir_surface_state_minimized; - } - return mir_surface_state_unknown; // should never be reached -} - -MirSurfaceType qtWindowTypeToMirSurfaceType(Qt::WindowType type) -{ - switch (type & Qt::WindowType_Mask) { - case Qt::Dialog: - return mir_surface_type_dialog; - case Qt::Sheet: - case Qt::Drawer: - return mir_surface_type_utility; - case Qt::Popup: - case Qt::Tool: - return mir_surface_type_menu; - case Qt::ToolTip: - return mir_surface_type_tip; - case Qt::SplashScreen: - return mir_surface_type_freestyle; - case Qt::Window: - default: - return mir_surface_type_normal; - } -} - -WId makeId() -{ - static int id = 1; - return id++; -} - -UAUiWindowRole roleFor(QWindow *window) -{ - QVariant roleVariant = window->property("role"); - if (!roleVariant.isValid()) - return U_MAIN_ROLE; - - uint role = roleVariant.toUInt(); - if (role < U_MAIN_ROLE || role > U_SHUTDOWN_DIALOG_ROLE) - return U_MAIN_ROLE; - - return static_cast<UAUiWindowRole>(role); -} - -QMirClientWindow *transientParentFor(QWindow *window) -{ - QWindow *parent = window->transientParent(); - return parent ? static_cast<QMirClientWindow *>(parent->handle()) : nullptr; -} - -bool requiresParent(const MirSurfaceType type) -{ - switch (type) { - case mir_surface_type_dialog: //FIXME - not quite what the specification dictates, but is what Mir's api dictates - case mir_surface_type_utility: - case mir_surface_type_gloss: - case mir_surface_type_menu: - case mir_surface_type_satellite: - case mir_surface_type_tip: - return true; - default: - return false; - } -} - -bool requiresParent(const Qt::WindowType type) -{ - return requiresParent(qtWindowTypeToMirSurfaceType(type)); -} - -bool isMovable(const Qt::WindowType type) -{ - auto mirType = qtWindowTypeToMirSurfaceType(type); - switch (mirType) { - case mir_surface_type_menu: - case mir_surface_type_tip: - return true; - default: - return false; - } -} - -Spec makeSurfaceSpec(QWindow *window, MirPixelFormat pixelFormat, QMirClientWindow *parentWindowHandle, - MirConnection *connection) -{ - const auto geometry = window->geometry(); - const int width = geometry.width() > 0 ? geometry.width() : 1; - const int height = geometry.height() > 0 ? geometry.height() : 1; - auto type = qtWindowTypeToMirSurfaceType(window->type()); - - if (U_ON_SCREEN_KEYBOARD_ROLE == roleFor(window)) { - type = mir_surface_type_inputmethod; - } - - MirRectangle location{geometry.x(), geometry.y(), 0, 0}; - MirSurface *parent = nullptr; - if (parentWindowHandle) { - parent = parentWindowHandle->mirSurface(); - // Qt uses absolute positioning, but Mir positions surfaces relative to parent. - location.top -= parentWindowHandle->geometry().top(); - location.left -= parentWindowHandle->geometry().left(); - } - - Spec spec; - - switch (type) { - case mir_surface_type_menu: - spec = Spec{mir_connection_create_spec_for_menu(connection, width, height, pixelFormat, parent, - &location, mir_edge_attachment_any)}; - break; - case mir_surface_type_dialog: - spec = Spec{mir_connection_create_spec_for_modal_dialog(connection, width, height, pixelFormat, parent)}; - break; - case mir_surface_type_utility: - spec = Spec{mir_connection_create_spec_for_dialog(connection, width, height, pixelFormat)}; - break; - case mir_surface_type_tip: -#if MIR_CLIENT_VERSION < MIR_VERSION_NUMBER(3, 4, 0) - spec = Spec{mir_connection_create_spec_for_tooltip(connection, width, height, pixelFormat, parent, - &location)}; -#else - spec = Spec{mir_connection_create_spec_for_tip(connection, width, height, pixelFormat, parent, - &location, mir_edge_attachment_any)}; -#endif - break; - case mir_surface_type_inputmethod: - spec = Spec{mir_connection_create_spec_for_input_method(connection, width, height, pixelFormat)}; - break; - default: - spec = Spec{mir_connection_create_spec_for_normal_surface(connection, width, height, pixelFormat)}; - break; - } - - qCDebug(mirclient, "makeSurfaceSpec(window=%p): %s spec (type=0x%x, position=(%d, %d)px, size=(%dx%d)px)", - window, mirSurfaceTypeToStr(type), window->type(), location.left, location.top, width, height); - - return std::move(spec); -} - -void setSizingConstraints(MirSurfaceSpec *spec, const QSize& minSize, const QSize& maxSize, const QSize& increment) -{ - mir_surface_spec_set_min_width(spec, minSize.width()); - mir_surface_spec_set_min_height(spec, minSize.height()); - if (maxSize.width() >= minSize.width()) { - mir_surface_spec_set_max_width(spec, maxSize.width()); - } - if (maxSize.height() >= minSize.height()) { - mir_surface_spec_set_max_height(spec, maxSize.height()); - } - if (increment.width() > 0) { - mir_surface_spec_set_width_increment(spec, increment.width()); - } - if (increment.height() > 0) { - mir_surface_spec_set_height_increment(spec, increment.height()); - } -} - -MirSurface *createMirSurface(QWindow *window, int mirOutputId, QMirClientWindow *parentWindowHandle, - MirPixelFormat pixelFormat, MirConnection *connection, - mir_surface_event_callback inputCallback, void *inputContext) -{ - auto spec = makeSurfaceSpec(window, pixelFormat, parentWindowHandle, connection); - - // Install event handler as early as possible - mir_surface_spec_set_event_handler(spec.get(), inputCallback, inputContext); - - const auto title = window->title().toUtf8(); - mir_surface_spec_set_name(spec.get(), title.constData()); - - setSizingConstraints(spec.get(), window->minimumSize(), window->maximumSize(), window->sizeIncrement()); - - if (window->windowState() == Qt::WindowFullScreen) { - mir_surface_spec_set_fullscreen_on_output(spec.get(), mirOutputId); - } - - if (window->flags() & LowChromeWindowHint) { - mir_surface_spec_set_shell_chrome(spec.get(), mir_shell_chrome_low); - } - - if (!window->isVisible()) { - mir_surface_spec_set_state(spec.get(), mir_surface_state_hidden); - } - - auto surface = mir_surface_create_sync(spec.get()); - Q_ASSERT(mir_surface_is_valid(surface)); - return surface; -} - -QMirClientWindow *getParentIfNecessary(QWindow *window, QMirClientInput *input) -{ - QMirClientWindow *parentWindowHandle = nullptr; - if (requiresParent(window->type())) { - parentWindowHandle = transientParentFor(window); - if (parentWindowHandle == nullptr) { - // NOTE: Mir requires this surface have a parent. Try using the last surface to receive input as that will - // most likely be the one that caused this surface to be created - parentWindowHandle = input->lastInputWindow(); - } - } - return parentWindowHandle; -} - -MirPixelFormat disableAlphaBufferIfPossible(MirPixelFormat pixelFormat) -{ - switch (pixelFormat) { - case mir_pixel_format_abgr_8888: - return mir_pixel_format_xbgr_8888; - case mir_pixel_format_argb_8888: - return mir_pixel_format_xrgb_8888; - default: // can do nothing, leave it alone - return pixelFormat; - } -} -} //namespace - - - -class UbuntuSurface -{ -public: - UbuntuSurface(QMirClientWindow *platformWindow, EGLDisplay display, QMirClientInput *input, MirConnection *connection); - ~UbuntuSurface(); - - UbuntuSurface(const UbuntuSurface &) = delete; - UbuntuSurface& operator=(const UbuntuSurface &) = delete; - - void updateGeometry(const QRect &newGeometry); - void updateTitle(const QString& title); - void setSizingConstraints(const QSize& minSize, const QSize& maxSize, const QSize& increment); - - void onSwapBuffersDone(); - void handleSurfaceResized(int width, int height); - int needsRepaint() const; - - MirSurfaceState state() const { return mir_surface_get_state(mMirSurface); } - void setState(MirSurfaceState state); - - MirSurfaceType type() const { return mir_surface_get_type(mMirSurface); } - - void setShellChrome(MirShellChrome shellChrome); - - EGLSurface eglSurface() const { return mEglSurface; } - MirSurface *mirSurface() const { return mMirSurface; } - - void setSurfaceParent(MirSurface*); - bool hasParent() const { return mParented; } - - QSurfaceFormat format() const { return mFormat; } - - bool mNeedsExposeCatchup; - - QString persistentSurfaceId(); - -private: - static void surfaceEventCallback(MirSurface* surface, const MirEvent *event, void* context); - void postEvent(const MirEvent *event); - - QWindow * const mWindow; - QMirClientWindow * const mPlatformWindow; - QMirClientInput * const mInput; - MirConnection * const mConnection; - QMirClientWindow * mParentWindowHandle{nullptr}; - - MirSurface* mMirSurface; - const EGLDisplay mEglDisplay; - EGLSurface mEglSurface; - - bool mNeedsRepaint; - bool mParented; - QSize mBufferSize; - QSurfaceFormat mFormat; - MirPixelFormat mPixelFormat; - - QMutex mTargetSizeMutex; - QSize mTargetSize; - MirShellChrome mShellChrome; - QString mPersistentIdStr; -}; - -UbuntuSurface::UbuntuSurface(QMirClientWindow *platformWindow, EGLDisplay display, QMirClientInput *input, MirConnection *connection) - : mWindow(platformWindow->window()) - , mPlatformWindow(platformWindow) - , mInput(input) - , mConnection(connection) - , mEglDisplay(display) - , mNeedsRepaint(false) - , mParented(mWindow->transientParent() || mWindow->parent()) - , mFormat(mWindow->requestedFormat()) - , mShellChrome(mWindow->flags() & LowChromeWindowHint ? mir_shell_chrome_low : mir_shell_chrome_normal) -{ - // Have Qt choose most suitable EGLConfig for the requested surface format, and update format to reflect it - EGLConfig config = q_configFromGLFormat(display, mFormat, true); - if (config == 0) { - // Older Intel Atom-based devices only support OpenGL 1.4 compatibility profile but by default - // QML asks for at least OpenGL 2.0. The XCB GLX backend ignores this request and returns a - // 1.4 context, but the XCB EGL backend tries to honor it, and fails. The 1.4 context appears to - // have sufficient capabilities on MESA (i915) to render correctly however. So reduce the default - // requested OpenGL version to 1.0 to ensure EGL will give us a working context (lp:1549455). - static const bool isMesa = QString(eglQueryString(display, EGL_VENDOR)).contains(QStringLiteral("Mesa")); - if (isMesa) { - qCDebug(mirclientGraphics, "Attempting to choose OpenGL 1.4 context which may suit Mesa"); - mFormat.setMajorVersion(1); - mFormat.setMinorVersion(4); - config = q_configFromGLFormat(display, mFormat, true); - } - } - if (config == 0) { - qCritical() << "Qt failed to choose a suitable EGLConfig to suit the surface format" << mFormat; - } - - mFormat = q_glFormatFromConfig(display, config, mFormat); - - // Have Mir decide the pixel format most suited to the chosen EGLConfig. This is the only way - // Mir will know what EGLConfig has been chosen - it cannot deduce it from the buffers. - mPixelFormat = mir_connection_get_egl_pixel_format(connection, display, config); - // But the chosen EGLConfig might have an alpha buffer enabled, even if not requested by the client. - // If that's the case, try to edit the chosen pixel format in order to disable the alpha buffer. - // This is an optimization for the compositor, as it can avoid blending this surface. - if (mWindow->requestedFormat().alphaBufferSize() < 0) { - mPixelFormat = disableAlphaBufferIfPossible(mPixelFormat); - } - - const auto outputId = static_cast<QMirClientScreen *>(mWindow->screen()->handle())->mirOutputId(); - - mParentWindowHandle = getParentIfNecessary(mWindow, input); - - mMirSurface = createMirSurface(mWindow, outputId, mParentWindowHandle, mPixelFormat, connection, surfaceEventCallback, this); - mEglSurface = eglCreateWindowSurface(mEglDisplay, config, nativeWindowFor(mMirSurface), nullptr); - - mNeedsExposeCatchup = mir_surface_get_visibility(mMirSurface) == mir_surface_visibility_occluded; - - // Window manager can give us a final size different from what we asked for - // so let's check what we ended up getting - MirSurfaceParameters parameters; - mir_surface_get_parameters(mMirSurface, ¶meters); - - auto geom = mWindow->geometry(); - geom.setWidth(parameters.width); - geom.setHeight(parameters.height); - - // Assume that the buffer size matches the surface size at creation time - mBufferSize = geom.size(); - QWindowSystemInterface::handleGeometryChange(mWindow, geom); - - qCDebug(mirclient) << "Created surface with geometry:" << geom << "title:" << mWindow->title() - << "role:" << roleFor(mWindow); - qCDebug(mirclientGraphics) - << "Requested format:" << mWindow->requestedFormat() - << "\nActual format:" << mFormat - << "with associated Mir pixel format:" << mirPixelFormatToStr(mPixelFormat); -} - -UbuntuSurface::~UbuntuSurface() -{ - if (mEglSurface != EGL_NO_SURFACE) - eglDestroySurface(mEglDisplay, mEglSurface); - if (mMirSurface) { - mir_surface_release_sync(mMirSurface); - } -} - -void UbuntuSurface::updateGeometry(const QRect &newGeometry) -{ - qCDebug(mirclient,"updateGeometry(window=%p, width=%d, height=%d)", mWindow, - newGeometry.width(), newGeometry.height()); - - Spec spec; - if (isMovable(mWindow->type())) { - spec = Spec{makeSurfaceSpec(mWindow, mPixelFormat, mParentWindowHandle, mConnection)}; - } else { - spec = Spec{mir_connection_create_spec_for_changes(mConnection)}; - mir_surface_spec_set_width(spec.get(), newGeometry.width()); - mir_surface_spec_set_height(spec.get(), newGeometry.height()); - } - mir_surface_apply_spec(mMirSurface, spec.get()); -} - -void UbuntuSurface::updateTitle(const QString& newTitle) -{ - const auto title = newTitle.toUtf8(); - Spec spec{mir_connection_create_spec_for_changes(mConnection)}; - mir_surface_spec_set_name(spec.get(), title.constData()); - mir_surface_apply_spec(mMirSurface, spec.get()); -} - -void UbuntuSurface::setSizingConstraints(const QSize& minSize, const QSize& maxSize, const QSize& increment) -{ - Spec spec{mir_connection_create_spec_for_changes(mConnection)}; - ::setSizingConstraints(spec.get(), minSize, maxSize, increment); - mir_surface_apply_spec(mMirSurface, spec.get()); -} - -void UbuntuSurface::handleSurfaceResized(int width, int height) -{ - QMutexLocker lock(&mTargetSizeMutex); - - // mir's resize event is mainly a signal that we need to redraw our content. We use the - // width/height as identifiers to figure out if this is the latest surface resize event - // that has posted, discarding any old ones. This avoids issuing too many redraw events. - // see TODO in postEvent as the ideal way we should handle this. - // The actual buffer size may or may have not changed at this point, so let the rendering - // thread drive the window geometry updates. - mNeedsRepaint = mTargetSize.width() == width && mTargetSize.height() == height; -} - -int UbuntuSurface::needsRepaint() const -{ - if (mNeedsRepaint) { - if (mTargetSize != mBufferSize) { - //If the buffer hasn't changed yet, we need at least two redraws, - //once to get the new buffer size and propagate the geometry changes - //and the second to redraw the content at the new size - return 2; - } else { - // The buffer size has already been updated so we only need one redraw - // to render at the new size - return 1; - } - } - return 0; -} - -void UbuntuSurface::setState(MirSurfaceState state) -{ - mir_wait_for(mir_surface_set_state(mMirSurface, state)); -} - -void UbuntuSurface::setShellChrome(MirShellChrome chrome) -{ - if (chrome != mShellChrome) { - auto spec = Spec{mir_connection_create_spec_for_changes(mConnection)}; - mir_surface_spec_set_shell_chrome(spec.get(), chrome); - mir_surface_apply_spec(mMirSurface, spec.get()); - - mShellChrome = chrome; - } -} - -void UbuntuSurface::onSwapBuffersDone() -{ - static int sFrameNumber = 0; - ++sFrameNumber; - - EGLint eglSurfaceWidth = -1; - EGLint eglSurfaceHeight = -1; - eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &eglSurfaceWidth); - eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &eglSurfaceHeight); - - const bool validSize = eglSurfaceWidth > 0 && eglSurfaceHeight > 0; - - if (validSize && (mBufferSize.width() != eglSurfaceWidth || mBufferSize.height() != eglSurfaceHeight)) { - - qCDebug(mirclientBufferSwap, "onSwapBuffersDone(window=%p) [%d] - size changed (%d, %d) => (%d, %d)", - mWindow, sFrameNumber, mBufferSize.width(), mBufferSize.height(), eglSurfaceWidth, eglSurfaceHeight); - - mBufferSize.rwidth() = eglSurfaceWidth; - mBufferSize.rheight() = eglSurfaceHeight; - - QRect newGeometry = mPlatformWindow->geometry(); - newGeometry.setSize(mBufferSize); - - QWindowSystemInterface::handleGeometryChange(mWindow, newGeometry); - } else { - qCDebug(mirclientBufferSwap, "onSwapBuffersDone(window=%p) [%d] - buffer size (%d,%d)", - mWindow, sFrameNumber, mBufferSize.width(), mBufferSize.height()); - } -} - -void UbuntuSurface::surfaceEventCallback(MirSurface *surface, const MirEvent *event, void* context) -{ - Q_UNUSED(surface); - Q_ASSERT(context != nullptr); - - auto s = static_cast<UbuntuSurface *>(context); - s->postEvent(event); -} - -void UbuntuSurface::postEvent(const MirEvent *event) -{ - if (mir_event_type_resize == mir_event_get_type(event)) { - // TODO: The current event queue just accumulates all resize events; - // It would be nicer if we could update just one event if that event has not been dispatched. - // As a workaround, we use the width/height as an identifier of this latest event - // so the event handler (handleSurfaceResized) can discard/ignore old ones. - const auto resizeEvent = mir_event_get_resize_event(event); - const auto width = mir_resize_event_get_width(resizeEvent); - const auto height = mir_resize_event_get_height(resizeEvent); - qCDebug(mirclient, "resizeEvent(window=%p, width=%d, height=%d)", mWindow, width, height); - - QMutexLocker lock(&mTargetSizeMutex); - mTargetSize.rwidth() = width; - mTargetSize.rheight() = height; - } - - mInput->postEvent(mPlatformWindow, event); -} - -void UbuntuSurface::setSurfaceParent(MirSurface* parent) -{ - qCDebug(mirclient, "setSurfaceParent(window=%p)", mWindow); - - mParented = true; - Spec spec{mir_connection_create_spec_for_changes(mConnection)}; - mir_surface_spec_set_parent(spec.get(), parent); - mir_surface_apply_spec(mMirSurface, spec.get()); -} - -QString UbuntuSurface::persistentSurfaceId() -{ - if (mPersistentIdStr.isEmpty()) { - MirPersistentId* mirPermaId = mir_surface_request_persistent_id_sync(mMirSurface); - mPersistentIdStr = mir_persistent_id_as_string(mirPermaId); - mir_persistent_id_release(mirPermaId); - } - return mPersistentIdStr; -} - -QMirClientWindow::QMirClientWindow(QWindow *w, QMirClientInput *input, QMirClientNativeInterface *native, - QMirClientAppStateController *appState, EGLDisplay eglDisplay, - MirConnection *mirConnection, QMirClientDebugExtension *debugExt) - : QObject(nullptr) - , QPlatformWindow(w) - , mId(makeId()) - , mWindowState(w->windowState()) - , mWindowFlags(w->flags()) - , mWindowVisible(false) - , mAppStateController(appState) - , mDebugExtention(debugExt) - , mNativeInterface(native) - , mSurface(new UbuntuSurface{this, eglDisplay, input, mirConnection}) - , mScale(1.0) - , mFormFactor(mir_form_factor_unknown) -{ - mWindowExposed = mSurface->mNeedsExposeCatchup == false; - - qCDebug(mirclient, "QMirClientWindow(window=%p, screen=%p, input=%p, surf=%p) with title '%s', role: '%d'", - w, w->screen()->handle(), input, mSurface.get(), qPrintable(window()->title()), roleFor(window())); -} - -QMirClientWindow::~QMirClientWindow() -{ - qCDebug(mirclient, "~QMirClientWindow(window=%p)", this); -} - -void QMirClientWindow::handleSurfaceResized(int width, int height) -{ - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "handleSurfaceResize(window=%p, size=(%dx%d)px", window(), width, height); - - mSurface->handleSurfaceResized(width, height); - - // This resize event could have occurred just after the last buffer swap for this window. - // This means the client may still be holding a buffer with the older size. The first redraw call - // will then render at the old size. After swapping the client now will get a new buffer with the - // updated size but it still needs re-rendering so another redraw may be needed. - // A mir API to drop the currently held buffer would help here, so that we wouldn't have to redraw twice - auto const numRepaints = mSurface->needsRepaint(); - lock.unlock(); - qCDebug(mirclient, "handleSurfaceResize(window=%p) redraw %d times", window(), numRepaints); - for (int i = 0; i < numRepaints; i++) { - qCDebug(mirclient, "handleSurfaceResize(window=%p) repainting size=(%dx%d)dp", window(), geometry().size().width(), geometry().size().height()); - QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); - } -} - -void QMirClientWindow::handleSurfaceExposeChange(bool exposed) -{ - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "handleSurfaceExposeChange(window=%p, exposed=%s)", window(), exposed ? "true" : "false"); - - mSurface->mNeedsExposeCatchup = false; - if (mWindowExposed == exposed) return; - mWindowExposed = exposed; - - lock.unlock(); - QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); -} - -void QMirClientWindow::handleSurfaceFocusChanged(bool focused) -{ - qCDebug(mirclient, "handleSurfaceFocusChanged(window=%p, focused=%d)", window(), focused); - if (focused) { - mAppStateController->setWindowFocused(true); - QWindowSystemInterface::handleWindowActivated(window(), Qt::ActiveWindowFocusReason); - } else { - mAppStateController->setWindowFocused(false); - } -} - -void QMirClientWindow::handleSurfaceVisibilityChanged(bool visible) -{ - qCDebug(mirclient, "handleSurfaceVisibilityChanged(window=%p, visible=%d)", window(), visible); - - if (mWindowVisible == visible) return; - mWindowVisible = visible; - - QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); -} - -void QMirClientWindow::handleSurfaceStateChanged(Qt::WindowState state) -{ - qCDebug(mirclient, "handleSurfaceStateChanged(window=%p, %s)", window(), qtWindowStateToStr(state)); - - if (mWindowState == state) return; - mWindowState = state; - - QWindowSystemInterface::handleWindowStateChanged(window(), state); -} - -void QMirClientWindow::setWindowState(Qt::WindowStates states) -{ - Qt::WindowState state = Qt::WindowNoState; - if (states & Qt::WindowMinimized) - state = Qt::WindowMinimized; - else if (states & Qt::WindowFullScreen) - state = Qt::WindowFullScreen; - else if (states & Qt::WindowMaximized) - state = Qt::WindowMaximized; - - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "setWindowState(window=%p, %s)", this, qtWindowStateToStr(state)); - - if (mWindowState == state) return; - mWindowState = state; - - lock.unlock(); - updateSurfaceState(); -} - -void QMirClientWindow::setWindowFlags(Qt::WindowFlags flags) -{ - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "setWindowFlags(window=%p, 0x%x)", this, (int)flags); - - if (mWindowFlags == flags) return; - mWindowFlags = flags; - - mSurface->setShellChrome(mWindowFlags & LowChromeWindowHint ? mir_shell_chrome_low : mir_shell_chrome_normal); -} - -QRect QMirClientWindow::geometry() const -{ - if (mDebugExtention) { - auto geom = QPlatformWindow::geometry(); - geom.moveTopLeft(mDebugExtention->mapSurfacePointToScreen(mSurface->mirSurface(), QPoint(0,0))); - return geom; - } else { - return QPlatformWindow::geometry(); - } -} - -void QMirClientWindow::setGeometry(const QRect& rect) -{ - QMutexLocker lock(&mMutex); - - if (window()->windowState() == Qt::WindowFullScreen || window()->windowState() == Qt::WindowMaximized) { - qCDebug(mirclient, "setGeometry(window=%p) - not resizing, window is maximized or fullscreen", window()); - return; - } - - qCDebug(mirclient, "setGeometry (window=%p, position=(%d, %d)dp, size=(%dx%d)dp)", - window(), rect.x(), rect.y(), rect.width(), rect.height()); - // Immediately update internal geometry so Qt believes position updated - QRect newPosition(geometry()); - newPosition.moveTo(rect.topLeft()); - QPlatformWindow::setGeometry(newPosition); - - mSurface->updateGeometry(rect); - // Note: don't call handleGeometryChange here, wait to see what Mir replies with. -} - -void QMirClientWindow::setVisible(bool visible) -{ - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "setVisible (window=%p, visible=%s)", window(), visible ? "true" : "false"); - - if (mWindowVisible == visible) return; - mWindowVisible = visible; - - if (visible) { - if (!mSurface->hasParent() && window()->type() == Qt::Dialog) { - // The dialog may have been parented after creation time - // so morph it into a modal dialog - auto parent = transientParentFor(window()); - if (parent) { - mSurface->setSurfaceParent(parent->mirSurface()); - } - } - } - - lock.unlock(); - updateSurfaceState(); - QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); -} - -void QMirClientWindow::setWindowTitle(const QString& title) -{ - QMutexLocker lock(&mMutex); - qCDebug(mirclient, "setWindowTitle(window=%p) title=%s)", window(), title.toUtf8().constData()); - mSurface->updateTitle(title); -} - -void QMirClientWindow::propagateSizeHints() -{ - QMutexLocker lock(&mMutex); - const auto win = window(); - qCDebug(mirclient, "propagateSizeHints(window=%p) min(%d,%d), max(%d,%d) increment(%d, %d)", - win, win->minimumSize().width(), win->minimumSize().height(), - win->maximumSize().width(), win->maximumSize().height(), - win->sizeIncrement().width(), win->sizeIncrement().height()); - mSurface->setSizingConstraints(win->minimumSize(), win->maximumSize(), win->sizeIncrement()); -} - -bool QMirClientWindow::isExposed() const -{ - // mNeedsExposeCatchup because we need to render a frame to get the expose surface event from mir. - return mWindowVisible && (mWindowExposed || (mSurface && mSurface->mNeedsExposeCatchup)); -} - -QSurfaceFormat QMirClientWindow::format() const -{ - return mSurface->format(); -} - -QPoint QMirClientWindow::mapToGlobal(const QPoint &pos) const -{ - if (mDebugExtention) { - return mDebugExtention->mapSurfacePointToScreen(mSurface->mirSurface(), pos); - } else { - return pos; - } -} - -void* QMirClientWindow::eglSurface() const -{ - return mSurface->eglSurface(); -} - -MirSurface *QMirClientWindow::mirSurface() const -{ - return mSurface->mirSurface(); -} - -WId QMirClientWindow::winId() const -{ - return mId; -} - -void QMirClientWindow::onSwapBuffersDone() -{ - QMutexLocker lock(&mMutex); - mSurface->onSwapBuffersDone(); - - if (mSurface->mNeedsExposeCatchup) { - mSurface->mNeedsExposeCatchup = false; - mWindowExposed = false; - - lock.unlock(); - QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); - } -} - -void QMirClientWindow::handleScreenPropertiesChange(MirFormFactor formFactor, float scale) -{ - // Update the scale & form factor native-interface properties for the windows affected - // as there is no convenient way to emit signals for those custom properties on a QScreen - if (formFactor != mFormFactor) { - mFormFactor = formFactor; - Q_EMIT mNativeInterface->windowPropertyChanged(this, QStringLiteral("formFactor")); - } - - if (!qFuzzyCompare(scale, mScale)) { - mScale = scale; - Q_EMIT mNativeInterface->windowPropertyChanged(this, QStringLiteral("scale")); - } -} - -void QMirClientWindow::updateSurfaceState() -{ - QMutexLocker lock(&mMutex); - MirSurfaceState newState = mWindowVisible ? qtWindowStateToMirSurfaceState(mWindowState) : - mir_surface_state_hidden; - qCDebug(mirclient, "updateSurfaceState (window=%p, surfaceState=%s)", window(), mirSurfaceStateToStr(newState)); - if (newState != mSurface->state()) { - mSurface->setState(newState); - } -} - -QString QMirClientWindow::persistentSurfaceId() -{ - return mSurface->persistentSurfaceId(); -} |