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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qwindowdump.h"
#include <QtGui/QGuiApplication>
#include <QtGui/QScreen>
#include <QtGui/QWindow>
#include <QtCore/QDebug>
#include <QtCore/QMetaObject>
#include <QtCore/QRect>
#include <QtCore/QTextStream>
#include <qpa/qplatformwindow.h>
#include <private/qwindow_p.h>
#include <private/qhighdpiscaling_p.h>
namespace QtDiag {
void indentStream(QTextStream &s, int indent)
{
for (int i = 0; i < indent; ++i)
s << ' ';
}
void formatObject(QTextStream &str, const QObject *o)
{
str << o->metaObject()->className();
const QString on = o->objectName();
if (!on.isEmpty())
str << "/\"" << on << '"';
}
void formatRect(QTextStream &str, const QRect &geom)
{
str << geom.width() << 'x' << geom.height() << Qt::forcesign
<< geom.x() << geom.y() << Qt::noforcesign;
}
#define debugType(s, type, typeConstant) \
if ((type & typeConstant) == typeConstant) \
s << ' ' << #typeConstant;
#define debugFlag(s, flags, flagConstant) \
if (flags & flagConstant) \
s << ' ' << #flagConstant;
void formatWindowFlags(QTextStream &str, Qt::WindowFlags flags)
{
str << Qt::showbase << Qt::hex << unsigned(flags) << Qt::dec << Qt::noshowbase;
const Qt::WindowFlags windowType = flags & Qt::WindowType_Mask;
debugFlag(str, flags, Qt::Window)
debugType(str, windowType, Qt::Dialog)
debugType(str, windowType, Qt::Sheet)
debugType(str, windowType, Qt::Drawer)
debugType(str, windowType, Qt::Popup)
debugType(str, windowType, Qt::Tool)
debugType(str, windowType, Qt::ToolTip)
debugType(str, windowType, Qt::SplashScreen)
debugType(str, windowType, Qt::Desktop)
debugType(str, windowType, Qt::SubWindow)
debugType(str, windowType, Qt::ForeignWindow)
debugType(str, windowType, Qt::CoverWindow)
debugFlag(str, flags, Qt::MSWindowsFixedSizeDialogHint)
debugFlag(str, flags, Qt::MSWindowsOwnDC)
debugFlag(str, flags, Qt::X11BypassWindowManagerHint)
debugFlag(str, flags, Qt::FramelessWindowHint)
debugFlag(str, flags, Qt::WindowTitleHint)
debugFlag(str, flags, Qt::WindowSystemMenuHint)
debugFlag(str, flags, Qt::WindowMinimizeButtonHint)
debugFlag(str, flags, Qt::WindowMaximizeButtonHint)
debugFlag(str, flags, Qt::WindowContextHelpButtonHint)
debugFlag(str, flags, Qt::WindowShadeButtonHint)
debugFlag(str, flags, Qt::WindowStaysOnTopHint)
debugFlag(str, flags, Qt::CustomizeWindowHint)
debugFlag(str, flags, Qt::WindowTransparentForInput)
debugFlag(str, flags, Qt::WindowOverridesSystemGestures)
debugFlag(str, flags, Qt::WindowDoesNotAcceptFocus)
debugFlag(str, flags, Qt::NoDropShadowWindowHint)
debugFlag(str, flags, Qt::WindowFullscreenButtonHint)
debugFlag(str, flags, Qt::WindowStaysOnBottomHint)
debugFlag(str, flags, Qt::MacWindowToolBarButtonHint)
debugFlag(str, flags, Qt::BypassGraphicsProxyWidget)
}
void formatWindow(QTextStream &str, const QWindow *w, FormatWindowOptions options)
{
const QPlatformWindow *pw = w->handle();
formatObject(str, w);
str << ' ' << (w->isVisible() ? "[visible] " : "[hidden] ");
if (const WId nativeWinId = pw ? pw->winId() : WId(0))
str << "[native: " << Qt::hex << Qt::showbase << nativeWinId << Qt::dec << Qt::noshowbase
<< "] ";
if (w->isTopLevel())
str << "[top] ";
if (w->isExposed())
str << "[exposed] ";
if (w->surfaceClass() == QWindow::Offscreen)
str << "[offscreen] ";
str << "surface=" << w->surfaceType() << ' ';
if (const Qt::WindowState state = w->windowState())
str << "windowState=" << state << ' ';
formatRect(str, w->geometry());
if (w->isTopLevel()) {
str << " \"" << w->screen()->name() << "\" ";
if (QHighDpiScaling::isActive())
str << "factor=" << QHighDpiScaling::factor(w) << " dpr=" << w->devicePixelRatio();
}
if (!(options & DontPrintWindowFlags)) {
str << ' ';
formatWindowFlags(str, w->flags());
}
if (options & PrintSizeConstraints) {
str << ' ';
const QSize minimumSize = w->minimumSize();
if (minimumSize.width() > 0 || minimumSize.height() > 0)
str << "minimumSize=" << minimumSize.width() << 'x' << minimumSize.height() << ' ';
const QSize maximumSize = w->maximumSize();
if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
str << "maximumSize=" << maximumSize.width() << 'x' << maximumSize.height() << ' ';
}
str << '\n';
}
static void dumpWindowRecursion(QTextStream &str, const QWindow *w,
FormatWindowOptions options = {}, int depth = 0)
{
indentStream(str, 2 * depth);
formatWindow(str, w, options);
for (const QObject *co : w->children()) {
if (co->isWindowType())
dumpWindowRecursion(str, static_cast<const QWindow *>(co), options, depth + 1);
}
}
void dumpAllWindows(FormatWindowOptions options)
{
QString d;
QTextStream str(&d);
str << "### QWindows:\n";
for (QWindow *w : QGuiApplication::topLevelWindows())
dumpWindowRecursion(str, w, options);
qDebug().noquote() << d;
}
} // namespace QtDiag
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