feat: Shortcut key to summon a new window, Esc does not respond after

pressing
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XMuli 2022-05-07 19:54:30 +08:00
parent e7488b0cda
commit c24fb83460
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17 changed files with 1723 additions and 0 deletions

45
TestHotKey/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.5)
set(PROJECT_NAME TestHotKey)
project(${PROJECT_NAME} VERSION 0.1 LANGUAGES CXX)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets REQUIRED)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets REQUIRED)
file(GLOB_RECURSE USER_LIBS_PATH QHotkey/**)
set(PROJECT_SOURCES
${USER_LIBS_PATH}
main.cpp
widget.cpp
widget.h
tray.h
tray.cpp
Resources.qrc
)
include_directories(${CMAKE_SOURCE_DIR}/QHotkey)
add_executable(${PROJECT_NAME}
${PROJECT_SOURCES})
target_link_libraries(${PROJECT_NAME} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
set_target_properties(${PROJECT_NAME} PROPERTIES
MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
)
if(QT_VERSION_MAJOR EQUAL 6)
qt_finalize_executable(${PROJECT_NAME})
endif()

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#include "qhotkey.h"

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TEMPLATE = lib
win32: CONFIG += dll
TARGET = QHotkey
VERSION = 1.5.0
include(../qhotkey.pri)
DEFINES += QHOTKEY_SHARED QHOTKEY_LIBRARY
# use INSTALL_ROOT to modify the install location
headers.files = $$PUBLIC_HEADERS
headers.path = $$[QT_INSTALL_HEADERS]
target.path = $$[QT_INSTALL_LIBS]
INSTALLS += target headers

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#include "qhotkey.h"
#include "qhotkey_p.h"
#include <QCoreApplication>
#include <QAbstractEventDispatcher>
#include <QMetaMethod>
#include <QThread>
#include <QDebug>
Q_LOGGING_CATEGORY(logQHotkey, "QHotkey")
void QHotkey::addGlobalMapping(const QKeySequence &shortcut, QHotkey::NativeShortcut nativeShortcut)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
const int key = shortcut[0].toCombined();
#else
const int key = shortcut[0];
#endif
QMetaObject::invokeMethod(QHotkeyPrivate::instance(), "addMappingInvoked", Qt::QueuedConnection,
Q_ARG(Qt::Key, Qt::Key(key & ~Qt::KeyboardModifierMask)),
Q_ARG(Qt::KeyboardModifiers, Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask)),
Q_ARG(QHotkey::NativeShortcut, nativeShortcut));
}
bool QHotkey::isPlatformSupported()
{
return QHotkeyPrivate::isPlatformSupported();
}
QHotkey::QHotkey(QObject *parent) :
QObject(parent),
_keyCode(Qt::Key_unknown),
_modifiers(Qt::NoModifier),
_registered(false)
{}
QHotkey::QHotkey(const QKeySequence &shortcut, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setShortcut(shortcut, autoRegister);
}
QHotkey::QHotkey(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setShortcut(keyCode, modifiers, autoRegister);
}
QHotkey::QHotkey(QHotkey::NativeShortcut shortcut, bool autoRegister, QObject *parent) :
QHotkey(parent)
{
setNativeShortcut(shortcut, autoRegister);
}
QHotkey::~QHotkey()
{
if(_registered)
QHotkeyPrivate::instance()->removeShortcut(this);
}
QKeySequence QHotkey::shortcut() const
{
if(_keyCode == Qt::Key_unknown)
return QKeySequence();
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return QKeySequence((_keyCode | _modifiers).toCombined());
#else
return QKeySequence(static_cast<int>(_keyCode | _modifiers));
#endif
}
Qt::Key QHotkey::keyCode() const
{
return _keyCode;
}
Qt::KeyboardModifiers QHotkey::modifiers() const
{
return _modifiers;
}
QHotkey::NativeShortcut QHotkey::currentNativeShortcut() const
{
return _nativeShortcut;
}
bool QHotkey::isRegistered() const
{
return _registered;
}
bool QHotkey::setShortcut(const QKeySequence &shortcut, bool autoRegister)
{
if(shortcut.isEmpty())
return resetShortcut();
if(shortcut.count() > 1) {
qCWarning(logQHotkey, "Keysequences with multiple shortcuts are not allowed! "
"Only the first shortcut will be used!");
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
const int key = shortcut[0].toCombined();
#else
const int key = shortcut[0];
#endif
return setShortcut(Qt::Key(key & ~Qt::KeyboardModifierMask),
Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask),
autoRegister);
}
bool QHotkey::setShortcut(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister)
{
if(_registered) {
if(autoRegister) {
if(!QHotkeyPrivate::instance()->removeShortcut(this))
return false;
} else
return false;
}
if(keyCode == Qt::Key_unknown) {
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
_keyCode = keyCode;
_modifiers = modifiers;
_nativeShortcut = QHotkeyPrivate::instance()->nativeShortcut(keyCode, modifiers);
if(_nativeShortcut.isValid()) {
if(autoRegister)
return QHotkeyPrivate::instance()->addShortcut(this);
return true;
}
qCWarning(logQHotkey) << "Unable to map shortcut to native keys. Key:" << keyCode << "Modifiers:" << modifiers;
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return false;
}
bool QHotkey::resetShortcut()
{
if(_registered &&
!QHotkeyPrivate::instance()->removeShortcut(this)) {
return false;
}
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
bool QHotkey::setNativeShortcut(QHotkey::NativeShortcut nativeShortcut, bool autoRegister)
{
if(_registered) {
if(autoRegister) {
if(!QHotkeyPrivate::instance()->removeShortcut(this))
return false;
} else
return false;
}
if(nativeShortcut.isValid()) {
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = nativeShortcut;
if(autoRegister)
return QHotkeyPrivate::instance()->addShortcut(this);
return true;
}
_keyCode = Qt::Key_unknown;
_modifiers = Qt::NoModifier;
_nativeShortcut = NativeShortcut();
return true;
}
bool QHotkey::setRegistered(bool registered)
{
if(_registered && !registered)
return QHotkeyPrivate::instance()->removeShortcut(this);
if(!_registered && registered) {
if(!_nativeShortcut.isValid())
return false;
return QHotkeyPrivate::instance()->addShortcut(this);
}
return true;
}
// ---------- QHotkeyPrivate implementation ----------
QHotkeyPrivate::QHotkeyPrivate()
{
Q_ASSERT_X(qApp, Q_FUNC_INFO, "QHotkey requires QCoreApplication to be instantiated");
qApp->eventDispatcher()->installNativeEventFilter(this);
}
QHotkeyPrivate::~QHotkeyPrivate()
{
if(!shortcuts.isEmpty())
qCWarning(logQHotkey) << "QHotkeyPrivate destroyed with registered shortcuts!";
if(qApp && qApp->eventDispatcher())
qApp->eventDispatcher()->removeNativeEventFilter(this);
}
QHotkey::NativeShortcut QHotkeyPrivate::nativeShortcut(Qt::Key keycode, Qt::KeyboardModifiers modifiers)
{
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
QHotkey::NativeShortcut res;
if(!QMetaObject::invokeMethod(this, "nativeShortcutInvoked", conType,
Q_RETURN_ARG(QHotkey::NativeShortcut, res),
Q_ARG(Qt::Key, keycode),
Q_ARG(Qt::KeyboardModifiers, modifiers))) {
return QHotkey::NativeShortcut();
}
return res;
}
bool QHotkeyPrivate::addShortcut(QHotkey *hotkey)
{
if(hotkey->_registered)
return false;
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
bool res = false;
if(!QMetaObject::invokeMethod(this, "addShortcutInvoked", conType,
Q_RETURN_ARG(bool, res),
Q_ARG(QHotkey*, hotkey))) {
return false;
}
if(res)
emit hotkey->registeredChanged(true);
return res;
}
bool QHotkeyPrivate::removeShortcut(QHotkey *hotkey)
{
if(!hotkey->_registered)
return false;
Qt::ConnectionType conType = (QThread::currentThread() == thread() ?
Qt::DirectConnection :
Qt::BlockingQueuedConnection);
bool res = false;
if(!QMetaObject::invokeMethod(this, "removeShortcutInvoked", conType,
Q_RETURN_ARG(bool, res),
Q_ARG(QHotkey*, hotkey))) {
return false;
}
if(res)
emit hotkey->registeredChanged(false);
return res;
}
void QHotkeyPrivate::activateShortcut(QHotkey::NativeShortcut shortcut)
{
QMetaMethod signal = QMetaMethod::fromSignal(&QHotkey::activated);
for(QHotkey *hkey : shortcuts.values(shortcut))
signal.invoke(hkey, Qt::QueuedConnection);
}
void QHotkeyPrivate::releaseShortcut(QHotkey::NativeShortcut shortcut)
{
QMetaMethod signal = QMetaMethod::fromSignal(&QHotkey::released);
for(QHotkey *hkey : shortcuts.values(shortcut))
signal.invoke(hkey, Qt::QueuedConnection);
}
void QHotkeyPrivate::addMappingInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers, QHotkey::NativeShortcut nativeShortcut)
{
mapping.insert({keycode, modifiers}, nativeShortcut);
}
bool QHotkeyPrivate::addShortcutInvoked(QHotkey *hotkey)
{
QHotkey::NativeShortcut shortcut = hotkey->_nativeShortcut;
if(!shortcuts.contains(shortcut)) {
if(!registerShortcut(shortcut)) {
qCWarning(logQHotkey) << QHotkey::tr("Failed to register %1. Error: %2").arg(hotkey->shortcut().toString(), error);
return false;
}
}
shortcuts.insert(shortcut, hotkey);
hotkey->_registered = true;
return true;
}
bool QHotkeyPrivate::removeShortcutInvoked(QHotkey *hotkey)
{
QHotkey::NativeShortcut shortcut = hotkey->_nativeShortcut;
if(shortcuts.remove(shortcut, hotkey) == 0)
return false;
hotkey->_registered = false;
emit hotkey->registeredChanged(true);
if(shortcuts.count(shortcut) == 0) {
if (!unregisterShortcut(shortcut)) {
qCWarning(logQHotkey) << QHotkey::tr("Failed to unregister %1. Error: %2").arg(hotkey->shortcut().toString(), error);
return false;
}
return true;
}
return true;
}
QHotkey::NativeShortcut QHotkeyPrivate::nativeShortcutInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers)
{
if(mapping.contains({keycode, modifiers}))
return mapping.value({keycode, modifiers});
bool ok1 = false;
auto k = nativeKeycode(keycode, ok1);
bool ok2 = false;
auto m = nativeModifiers(modifiers, ok2);
if(ok1 && ok2)
return {k, m};
return {};
}
QHotkey::NativeShortcut::NativeShortcut() :
key(),
modifier(),
valid(false)
{}
QHotkey::NativeShortcut::NativeShortcut(quint32 key, quint32 modifier) :
key(key),
modifier(modifier),
valid(true)
{}
bool QHotkey::NativeShortcut::isValid() const
{
return valid;
}
bool QHotkey::NativeShortcut::operator ==(QHotkey::NativeShortcut other) const
{
return (key == other.key) &&
(modifier == other.modifier) &&
valid == other.valid;
}
bool QHotkey::NativeShortcut::operator !=(QHotkey::NativeShortcut other) const
{
return (key != other.key) ||
(modifier != other.modifier) ||
valid != other.valid;
}
QHOTKEY_HASH_SEED qHash(QHotkey::NativeShortcut key)
{
return qHash(key.key) ^ qHash(key.modifier);
}
QHOTKEY_HASH_SEED qHash(QHotkey::NativeShortcut key, QHOTKEY_HASH_SEED seed)
{
return qHash(key.key, seed) ^ qHash(key.modifier, seed);
}

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#ifndef QHOTKEY_H
#define QHOTKEY_H
#include <QObject>
#include <QKeySequence>
#include <QPair>
#include <QLoggingCategory>
#ifdef QHOTKEY_SHARED
# ifdef QHOTKEY_LIBRARY
# define QHOTKEY_EXPORT Q_DECL_EXPORT
# else
# define QHOTKEY_EXPORT Q_DECL_IMPORT
# endif
#else
# define QHOTKEY_EXPORT
#endif
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#define QHOTKEY_HASH_SEED size_t
#else
#define QHOTKEY_HASH_SEED uint
#endif
//! A class to define global, systemwide Hotkeys
class QHOTKEY_EXPORT QHotkey : public QObject
{
Q_OBJECT
//! @private
friend class QHotkeyPrivate;
//! Specifies whether this hotkey is currently registered or not
Q_PROPERTY(bool registered READ isRegistered WRITE setRegistered NOTIFY registeredChanged)
//! Holds the shortcut this hotkey will be triggered on
Q_PROPERTY(QKeySequence shortcut READ shortcut WRITE setShortcut RESET resetShortcut)
public:
//! Defines shortcut with native keycodes
class QHOTKEY_EXPORT NativeShortcut {
public:
//! The native keycode
quint32 key;
//! The native modifiers
quint32 modifier;
//! Creates an invalid native shortcut
NativeShortcut();
//! Creates a valid native shortcut, with the given key and modifiers
NativeShortcut(quint32 key, quint32 modifier = 0);
//! Checks, whether this shortcut is valid or not
bool isValid() const;
//! Equality operator
bool operator ==(NativeShortcut other) const;
//! Inequality operator
bool operator !=(NativeShortcut other) const;
private:
bool valid;
};
//! Adds a global mapping of a key sequence to a replacement native shortcut
static void addGlobalMapping(const QKeySequence &shortcut, NativeShortcut nativeShortcut);
//! Checks if global shortcuts are supported by the current platform
static bool isPlatformSupported();
//! Default Constructor
explicit QHotkey(QObject *parent = nullptr);
//! Constructs a hotkey with a shortcut and optionally registers it
explicit QHotkey(const QKeySequence &shortcut, bool autoRegister = false, QObject *parent = nullptr);
//! Constructs a hotkey with a key and modifiers and optionally registers it
explicit QHotkey(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister = false, QObject *parent = nullptr);
//! Constructs a hotkey from a native shortcut and optionally registers it
explicit QHotkey(NativeShortcut shortcut, bool autoRegister = false, QObject *parent = nullptr);
~QHotkey() override;
//! @readAcFn{QHotkey::registered}
bool isRegistered() const;
//! @readAcFn{QHotkey::shortcut}
QKeySequence shortcut() const;
//! @readAcFn{QHotkey::shortcut} - the key only
Qt::Key keyCode() const;
//! @readAcFn{QHotkey::shortcut} - the modifiers only
Qt::KeyboardModifiers modifiers() const;
//! Get the current native shortcut
NativeShortcut currentNativeShortcut() const;
public slots:
//! @writeAcFn{QHotkey::registered}
bool setRegistered(bool registered);
//! @writeAcFn{QHotkey::shortcut}
bool setShortcut(const QKeySequence &shortcut, bool autoRegister = false);
//! @writeAcFn{QHotkey::shortcut}
bool setShortcut(Qt::Key keyCode, Qt::KeyboardModifiers modifiers, bool autoRegister = false);
//! @resetAcFn{QHotkey::shortcut}
bool resetShortcut();
//! Set this hotkey to a native shortcut
bool setNativeShortcut(QHotkey::NativeShortcut nativeShortcut, bool autoRegister = false);
signals:
//! Will be emitted if the shortcut is pressed
void activated(QPrivateSignal);
//! Will be emitted if the shortcut press is released
void released(QPrivateSignal);
//! @notifyAcFn{QHotkey::registered}
void registeredChanged(bool registered);
private:
Qt::Key _keyCode;
Qt::KeyboardModifiers _modifiers;
NativeShortcut _nativeShortcut;
bool _registered;
};
QHOTKEY_HASH_SEED QHOTKEY_EXPORT qHash(QHotkey::NativeShortcut key);
QHOTKEY_HASH_SEED QHOTKEY_EXPORT qHash(QHotkey::NativeShortcut key, QHOTKEY_HASH_SEED seed);
QHOTKEY_EXPORT Q_DECLARE_LOGGING_CATEGORY(logQHotkey)
Q_DECLARE_METATYPE(QHotkey::NativeShortcut)
#endif // QHOTKEY_H

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message(The pri file has been moved one directory up! use that one instead)

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#include "qhotkey.h"
#include "qhotkey_p.h"
#include <Carbon/Carbon.h>
#include <QDebug>
class QHotkeyPrivateMac : public QHotkeyPrivate
{
public:
// QAbstractNativeEventFilter interface
bool nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result) override;
static OSStatus hotkeyPressEventHandler(EventHandlerCallRef nextHandler, EventRef event, void* data);
static OSStatus hotkeyReleaseEventHandler(EventHandlerCallRef nextHandler, EventRef event, void* data);
protected:
// QHotkeyPrivate interface
quint32 nativeKeycode(Qt::Key keycode, bool &ok) Q_DECL_OVERRIDE;
quint32 nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok) Q_DECL_OVERRIDE;
bool registerShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
bool unregisterShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
private:
static bool isHotkeyHandlerRegistered;
static QHash<QHotkey::NativeShortcut, EventHotKeyRef> hotkeyRefs;
};
NATIVE_INSTANCE(QHotkeyPrivateMac)
bool QHotkeyPrivate::isPlatformSupported()
{
return true;
}
bool QHotkeyPrivateMac::isHotkeyHandlerRegistered = false;
QHash<QHotkey::NativeShortcut, EventHotKeyRef> QHotkeyPrivateMac::hotkeyRefs;
bool QHotkeyPrivateMac::nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result)
{
Q_UNUSED(eventType)
Q_UNUSED(message)
Q_UNUSED(result)
return false;
}
quint32 QHotkeyPrivateMac::nativeKeycode(Qt::Key keycode, bool &ok)
{
// Constants found in NSEvent.h from AppKit.framework
ok = true;
switch (keycode) {
case Qt::Key_Return:
return kVK_Return;
case Qt::Key_Enter:
return kVK_ANSI_KeypadEnter;
case Qt::Key_Tab:
return kVK_Tab;
case Qt::Key_Space:
return kVK_Space;
case Qt::Key_Backspace:
return kVK_Delete;
case Qt::Key_Escape:
return kVK_Escape;
case Qt::Key_CapsLock:
return kVK_CapsLock;
case Qt::Key_Option:
return kVK_Option;
case Qt::Key_F17:
return kVK_F17;
case Qt::Key_VolumeUp:
return kVK_VolumeUp;
case Qt::Key_VolumeDown:
return kVK_VolumeDown;
case Qt::Key_F18:
return kVK_F18;
case Qt::Key_F19:
return kVK_F19;
case Qt::Key_F20:
return kVK_F20;
case Qt::Key_F5:
return kVK_F5;
case Qt::Key_F6:
return kVK_F6;
case Qt::Key_F7:
return kVK_F7;
case Qt::Key_F3:
return kVK_F3;
case Qt::Key_F8:
return kVK_F8;
case Qt::Key_F9:
return kVK_F9;
case Qt::Key_F11:
return kVK_F11;
case Qt::Key_F13:
return kVK_F13;
case Qt::Key_F16:
return kVK_F16;
case Qt::Key_F14:
return kVK_F14;
case Qt::Key_F10:
return kVK_F10;
case Qt::Key_F12:
return kVK_F12;
case Qt::Key_F15:
return kVK_F15;
case Qt::Key_Help:
return kVK_Help;
case Qt::Key_Home:
return kVK_Home;
case Qt::Key_PageUp:
return kVK_PageUp;
case Qt::Key_Delete:
return kVK_ForwardDelete;
case Qt::Key_F4:
return kVK_F4;
case Qt::Key_End:
return kVK_End;
case Qt::Key_F2:
return kVK_F2;
case Qt::Key_PageDown:
return kVK_PageDown;
case Qt::Key_F1:
return kVK_F1;
case Qt::Key_Left:
return kVK_LeftArrow;
case Qt::Key_Right:
return kVK_RightArrow;
case Qt::Key_Down:
return kVK_DownArrow;
case Qt::Key_Up:
return kVK_UpArrow;
default:
ok = false;
break;
}
UTF16Char ch = keycode;
CFDataRef currentLayoutData;
TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
if (currentKeyboard == NULL)
return 0;
currentLayoutData = (CFDataRef)TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData);
CFRelease(currentKeyboard);
if (currentLayoutData == NULL)
return 0;
UCKeyboardLayout* header = (UCKeyboardLayout*)CFDataGetBytePtr(currentLayoutData);
UCKeyboardTypeHeader* table = header->keyboardTypeList;
uint8_t *data = (uint8_t*)header;
for (quint32 i=0; i < header->keyboardTypeCount; i++) {
UCKeyStateRecordsIndex* stateRec = 0;
if (table[i].keyStateRecordsIndexOffset != 0) {
stateRec = reinterpret_cast<UCKeyStateRecordsIndex*>(data + table[i].keyStateRecordsIndexOffset);
if (stateRec->keyStateRecordsIndexFormat != kUCKeyStateRecordsIndexFormat) stateRec = 0;
}
UCKeyToCharTableIndex* charTable = reinterpret_cast<UCKeyToCharTableIndex*>(data + table[i].keyToCharTableIndexOffset);
if (charTable->keyToCharTableIndexFormat != kUCKeyToCharTableIndexFormat) continue;
for (quint32 j=0; j < charTable->keyToCharTableCount; j++) {
UCKeyOutput* keyToChar = reinterpret_cast<UCKeyOutput*>(data + charTable->keyToCharTableOffsets[j]);
for (quint32 k=0; k < charTable->keyToCharTableSize; k++) {
if (keyToChar[k] & kUCKeyOutputTestForIndexMask) {
long idx = keyToChar[k] & kUCKeyOutputGetIndexMask;
if (stateRec && idx < stateRec->keyStateRecordCount) {
UCKeyStateRecord* rec = reinterpret_cast<UCKeyStateRecord*>(data + stateRec->keyStateRecordOffsets[idx]);
if (rec->stateZeroCharData == ch) {
ok = true;
return k;
}
}
}
else if (!(keyToChar[k] & kUCKeyOutputSequenceIndexMask) && keyToChar[k] < 0xFFFE) {
if (keyToChar[k] == ch) {
ok = true;
return k;
}
}
}
}
}
return 0;
}
quint32 QHotkeyPrivateMac::nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok)
{
quint32 nMods = 0;
if (modifiers & Qt::ShiftModifier)
nMods |= shiftKey;
if (modifiers & Qt::ControlModifier)
nMods |= cmdKey;
if (modifiers & Qt::AltModifier)
nMods |= optionKey;
if (modifiers & Qt::MetaModifier)
nMods |= controlKey;
if (modifiers & Qt::KeypadModifier)
nMods |= kEventKeyModifierNumLockMask;
ok = true;
return nMods;
}
bool QHotkeyPrivateMac::registerShortcut(QHotkey::NativeShortcut shortcut)
{
if (!this->isHotkeyHandlerRegistered)
{
EventTypeSpec pressEventSpec;
pressEventSpec.eventClass = kEventClassKeyboard;
pressEventSpec.eventKind = kEventHotKeyPressed;
InstallApplicationEventHandler(&QHotkeyPrivateMac::hotkeyPressEventHandler, 1, &pressEventSpec, NULL, NULL);
EventTypeSpec releaseEventSpec;
releaseEventSpec.eventClass = kEventClassKeyboard;
releaseEventSpec.eventKind = kEventHotKeyReleased;
InstallApplicationEventHandler(&QHotkeyPrivateMac::hotkeyReleaseEventHandler, 1, &releaseEventSpec, NULL, NULL);
}
EventHotKeyID hkeyID;
hkeyID.signature = shortcut.key;
hkeyID.id = shortcut.modifier;
EventHotKeyRef eventRef = 0;
OSStatus status = RegisterEventHotKey(shortcut.key,
shortcut.modifier,
hkeyID,
GetApplicationEventTarget(),
0,
&eventRef);
if (status != noErr) {
error = QString::number(status);
return false;
} else {
this->hotkeyRefs.insert(shortcut, eventRef);
return true;
}
}
bool QHotkeyPrivateMac::unregisterShortcut(QHotkey::NativeShortcut shortcut)
{
EventHotKeyRef eventRef = QHotkeyPrivateMac::hotkeyRefs.value(shortcut);
OSStatus status = UnregisterEventHotKey(eventRef);
if (status != noErr) {
error = QString::number(status);
return false;
} else {
this->hotkeyRefs.remove(shortcut);
return true;
}
}
OSStatus QHotkeyPrivateMac::hotkeyPressEventHandler(EventHandlerCallRef nextHandler, EventRef event, void* data)
{
Q_UNUSED(nextHandler);
Q_UNUSED(data);
if (GetEventClass(event) == kEventClassKeyboard &&
GetEventKind(event) == kEventHotKeyPressed) {
EventHotKeyID hkeyID;
GetEventParameter(event,
kEventParamDirectObject,
typeEventHotKeyID,
NULL,
sizeof(EventHotKeyID),
NULL,
&hkeyID);
hotkeyPrivate->activateShortcut({hkeyID.signature, hkeyID.id});
}
return noErr;
}
OSStatus QHotkeyPrivateMac::hotkeyReleaseEventHandler(EventHandlerCallRef nextHandler, EventRef event, void* data)
{
Q_UNUSED(nextHandler);
Q_UNUSED(data);
if (GetEventClass(event) == kEventClassKeyboard &&
GetEventKind(event) == kEventHotKeyReleased) {
EventHotKeyID hkeyID;
GetEventParameter(event,
kEventParamDirectObject,
typeEventHotKeyID,
NULL,
sizeof(EventHotKeyID),
NULL,
&hkeyID);
hotkeyPrivate->releaseShortcut({hkeyID.signature, hkeyID.id});
}
return noErr;
}

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#ifndef QHOTKEY_P_H
#define QHOTKEY_P_H
#include "qhotkey.h"
#include <QAbstractNativeEventFilter>
#include <QMultiHash>
#include <QMutex>
#include <QGlobalStatic>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#define _NATIVE_EVENT_RESULT qintptr
#else
#define _NATIVE_EVENT_RESULT long
#endif
class QHOTKEY_EXPORT QHotkeyPrivate : public QObject, public QAbstractNativeEventFilter
{
Q_OBJECT
public:
QHotkeyPrivate();//singleton!!!
~QHotkeyPrivate();
static QHotkeyPrivate *instance();
static bool isPlatformSupported();
QHotkey::NativeShortcut nativeShortcut(Qt::Key keycode, Qt::KeyboardModifiers modifiers);
bool addShortcut(QHotkey *hotkey);
bool removeShortcut(QHotkey *hotkey);
protected:
void activateShortcut(QHotkey::NativeShortcut shortcut);
void releaseShortcut(QHotkey::NativeShortcut shortcut);
virtual quint32 nativeKeycode(Qt::Key keycode, bool &ok) = 0;//platform implement
virtual quint32 nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok) = 0;//platform implement
virtual bool registerShortcut(QHotkey::NativeShortcut shortcut) = 0;//platform implement
virtual bool unregisterShortcut(QHotkey::NativeShortcut shortcut) = 0;//platform implement
QString error;
private:
QHash<QPair<Qt::Key, Qt::KeyboardModifiers>, QHotkey::NativeShortcut> mapping;
QMultiHash<QHotkey::NativeShortcut, QHotkey*> shortcuts;
Q_INVOKABLE void addMappingInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers, QHotkey::NativeShortcut nativeShortcut);
Q_INVOKABLE bool addShortcutInvoked(QHotkey *hotkey);
Q_INVOKABLE bool removeShortcutInvoked(QHotkey *hotkey);
Q_INVOKABLE QHotkey::NativeShortcut nativeShortcutInvoked(Qt::Key keycode, Qt::KeyboardModifiers modifiers);
};
#define NATIVE_INSTANCE(ClassName) \
Q_GLOBAL_STATIC(ClassName, hotkeyPrivate) \
\
QHotkeyPrivate *QHotkeyPrivate::instance()\
{\
return hotkeyPrivate;\
}
#endif // QHOTKEY_P_H

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#include "qhotkey.h"
#include "qhotkey_p.h"
#include <qt_windows.h>
#include <QDebug>
#include <QTimer>
#define HKEY_ID(nativeShortcut) (((nativeShortcut.key ^ (nativeShortcut.modifier << 8)) & 0x0FFF) | 0x7000)
#if !defined(MOD_NOREPEAT)
#define MOD_NOREPEAT 0x4000
#endif
class QHotkeyPrivateWin : public QHotkeyPrivate
{
public:
QHotkeyPrivateWin();
// QAbstractNativeEventFilter interface
bool nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result) override;
protected:
void pollForHotkeyRelease();
// QHotkeyPrivate interface
quint32 nativeKeycode(Qt::Key keycode, bool &ok) Q_DECL_OVERRIDE;
quint32 nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok) Q_DECL_OVERRIDE;
bool registerShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
bool unregisterShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
private:
static QString formatWinError(DWORD winError);
QTimer pollTimer;
QHotkey::NativeShortcut polledShortcut;
};
NATIVE_INSTANCE(QHotkeyPrivateWin)
QHotkeyPrivateWin::QHotkeyPrivateWin(){
pollTimer.setInterval(50);
connect(&pollTimer, &QTimer::timeout, this, &QHotkeyPrivateWin::pollForHotkeyRelease);
}
bool QHotkeyPrivate::isPlatformSupported()
{
return true;
}
bool QHotkeyPrivateWin::nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result)
{
Q_UNUSED(eventType)
Q_UNUSED(result)
MSG* msg = static_cast<MSG*>(message);
if(msg->message == WM_HOTKEY) {
QHotkey::NativeShortcut shortcut = {HIWORD(msg->lParam), LOWORD(msg->lParam)};
this->activateShortcut(shortcut);
this->polledShortcut = shortcut;
this->pollTimer.start();
}
return false;
}
void QHotkeyPrivateWin::pollForHotkeyRelease()
{
bool pressed = (GetAsyncKeyState(this->polledShortcut.key) & (1 << 15)) != 0;
if(!pressed) {
this->pollTimer.stop();
this->releaseShortcut(this->polledShortcut);
}
}
quint32 QHotkeyPrivateWin::nativeKeycode(Qt::Key keycode, bool &ok)
{
ok = true;
if(keycode <= 0xFFFF) {//Try to obtain the key from it's "character"
const SHORT vKey = VkKeyScanW(static_cast<WCHAR>(keycode));
if(vKey > -1)
return LOBYTE(vKey);
}
//find key from switch/case --> Only finds a very small subset of keys
switch (keycode)
{
case Qt::Key_Escape:
return VK_ESCAPE;
case Qt::Key_Tab:
case Qt::Key_Backtab:
return VK_TAB;
case Qt::Key_Backspace:
return VK_BACK;
case Qt::Key_Return:
case Qt::Key_Enter:
return VK_RETURN;
case Qt::Key_Insert:
return VK_INSERT;
case Qt::Key_Delete:
return VK_DELETE;
case Qt::Key_Pause:
return VK_PAUSE;
case Qt::Key_Print:
return VK_PRINT;
case Qt::Key_Clear:
return VK_CLEAR;
case Qt::Key_Home:
return VK_HOME;
case Qt::Key_End:
return VK_END;
case Qt::Key_Left:
return VK_LEFT;
case Qt::Key_Up:
return VK_UP;
case Qt::Key_Right:
return VK_RIGHT;
case Qt::Key_Down:
return VK_DOWN;
case Qt::Key_PageUp:
return VK_PRIOR;
case Qt::Key_PageDown:
return VK_NEXT;
case Qt::Key_CapsLock:
return VK_CAPITAL;
case Qt::Key_NumLock:
return VK_NUMLOCK;
case Qt::Key_ScrollLock:
return VK_SCROLL;
case Qt::Key_F1:
return VK_F1;
case Qt::Key_F2:
return VK_F2;
case Qt::Key_F3:
return VK_F3;
case Qt::Key_F4:
return VK_F4;
case Qt::Key_F5:
return VK_F5;
case Qt::Key_F6:
return VK_F6;
case Qt::Key_F7:
return VK_F7;
case Qt::Key_F8:
return VK_F8;
case Qt::Key_F9:
return VK_F9;
case Qt::Key_F10:
return VK_F10;
case Qt::Key_F11:
return VK_F11;
case Qt::Key_F12:
return VK_F12;
case Qt::Key_F13:
return VK_F13;
case Qt::Key_F14:
return VK_F14;
case Qt::Key_F15:
return VK_F15;
case Qt::Key_F16:
return VK_F16;
case Qt::Key_F17:
return VK_F17;
case Qt::Key_F18:
return VK_F18;
case Qt::Key_F19:
return VK_F19;
case Qt::Key_F20:
return VK_F20;
case Qt::Key_F21:
return VK_F21;
case Qt::Key_F22:
return VK_F22;
case Qt::Key_F23:
return VK_F23;
case Qt::Key_F24:
return VK_F24;
case Qt::Key_Menu:
return VK_APPS;
case Qt::Key_Help:
return VK_HELP;
case Qt::Key_MediaNext:
return VK_MEDIA_NEXT_TRACK;
case Qt::Key_MediaPrevious:
return VK_MEDIA_PREV_TRACK;
case Qt::Key_MediaPlay:
return VK_MEDIA_PLAY_PAUSE;
case Qt::Key_MediaStop:
return VK_MEDIA_STOP;
case Qt::Key_VolumeDown:
return VK_VOLUME_DOWN;
case Qt::Key_VolumeUp:
return VK_VOLUME_UP;
case Qt::Key_VolumeMute:
return VK_VOLUME_MUTE;
case Qt::Key_Mode_switch:
return VK_MODECHANGE;
case Qt::Key_Select:
return VK_SELECT;
case Qt::Key_Printer:
return VK_PRINT;
case Qt::Key_Execute:
return VK_EXECUTE;
case Qt::Key_Sleep:
return VK_SLEEP;
case Qt::Key_Period:
return VK_DECIMAL;
case Qt::Key_Play:
return VK_PLAY;
case Qt::Key_Cancel:
return VK_CANCEL;
case Qt::Key_Forward:
return VK_BROWSER_FORWARD;
case Qt::Key_Refresh:
return VK_BROWSER_REFRESH;
case Qt::Key_Stop:
return VK_BROWSER_STOP;
case Qt::Key_Search:
return VK_BROWSER_SEARCH;
case Qt::Key_Favorites:
return VK_BROWSER_FAVORITES;
case Qt::Key_HomePage:
return VK_BROWSER_HOME;
case Qt::Key_LaunchMail:
return VK_LAUNCH_MAIL;
case Qt::Key_LaunchMedia:
return VK_LAUNCH_MEDIA_SELECT;
case Qt::Key_Launch0:
return VK_LAUNCH_APP1;
case Qt::Key_Launch1:
return VK_LAUNCH_APP2;
case Qt::Key_Massyo:
return VK_OEM_FJ_MASSHOU;
case Qt::Key_Touroku:
return VK_OEM_FJ_TOUROKU;
default:
if(keycode <= 0xFFFF)
return (byte)keycode;
else {
ok = false;
return 0;
}
}
}
quint32 QHotkeyPrivateWin::nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok)
{
quint32 nMods = 0;
if (modifiers & Qt::ShiftModifier)
nMods |= MOD_SHIFT;
if (modifiers & Qt::ControlModifier)
nMods |= MOD_CONTROL;
if (modifiers & Qt::AltModifier)
nMods |= MOD_ALT;
if (modifiers & Qt::MetaModifier)
nMods |= MOD_WIN;
ok = true;
return nMods;
}
bool QHotkeyPrivateWin::registerShortcut(QHotkey::NativeShortcut shortcut)
{
BOOL ok = RegisterHotKey(NULL,
HKEY_ID(shortcut),
shortcut.modifier + MOD_NOREPEAT,
shortcut.key);
if(ok)
return true;
else {
error = QHotkeyPrivateWin::formatWinError(::GetLastError());
return false;
}
}
bool QHotkeyPrivateWin::unregisterShortcut(QHotkey::NativeShortcut shortcut)
{
BOOL ok = UnregisterHotKey(NULL, HKEY_ID(shortcut));
if(ok)
return true;
else {
error = QHotkeyPrivateWin::formatWinError(::GetLastError());
return false;
}
}
QString QHotkeyPrivateWin::formatWinError(DWORD winError)
{
wchar_t *buffer = NULL;
DWORD num = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
winError,
0,
(LPWSTR)&buffer,
0,
NULL);
if(buffer) {
QString res = QString::fromWCharArray(buffer, num);
LocalFree(buffer);
return res;
} else
return QString();
}

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#include "qhotkey.h"
#include "qhotkey_p.h"
#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
#include <QGuiApplication>
#else
#include <QDebug>
#include <QX11Info>
#endif
#include <QThreadStorage>
#include <QTimer>
#include <X11/Xlib.h>
#include <xcb/xcb.h>
//compability to pre Qt 5.8
#ifndef Q_FALLTHROUGH
#define Q_FALLTHROUGH() (void)0
#endif
class QHotkeyPrivateX11 : public QHotkeyPrivate
{
public:
// QAbstractNativeEventFilter interface
bool nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result) override;
protected:
// QHotkeyPrivate interface
quint32 nativeKeycode(Qt::Key keycode, bool &ok) Q_DECL_OVERRIDE;
quint32 nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok) Q_DECL_OVERRIDE;
static QString getX11String(Qt::Key keycode);
bool registerShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
bool unregisterShortcut(QHotkey::NativeShortcut shortcut) Q_DECL_OVERRIDE;
private:
static const QVector<quint32> specialModifiers;
static const quint32 validModsMask;
xcb_key_press_event_t prevHandledEvent;
xcb_key_press_event_t prevEvent;
static QString formatX11Error(Display *display, int errorCode);
class HotkeyErrorHandler {
public:
HotkeyErrorHandler();
~HotkeyErrorHandler();
static bool hasError;
static QString errorString;
private:
XErrorHandler prevHandler;
static int handleError(Display *display, XErrorEvent *error);
};
};
NATIVE_INSTANCE(QHotkeyPrivateX11)
bool QHotkeyPrivate::isPlatformSupported()
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
return qGuiApp->nativeInterface<QNativeInterface::QX11Application>();
#else
return QX11Info::isPlatformX11();
#endif
}
const QVector<quint32> QHotkeyPrivateX11::specialModifiers = {0, Mod2Mask, LockMask, (Mod2Mask | LockMask)};
const quint32 QHotkeyPrivateX11::validModsMask = ShiftMask | ControlMask | Mod1Mask | Mod4Mask;
bool QHotkeyPrivateX11::nativeEventFilter(const QByteArray &eventType, void *message, _NATIVE_EVENT_RESULT *result)
{
Q_UNUSED(eventType)
Q_UNUSED(result)
auto *genericEvent = static_cast<xcb_generic_event_t *>(message);
if (genericEvent->response_type == XCB_KEY_PRESS) {
xcb_key_press_event_t keyEvent = *static_cast<xcb_key_press_event_t *>(message);
this->prevEvent = keyEvent;
if (this->prevHandledEvent.response_type == XCB_KEY_RELEASE) {
if(this->prevHandledEvent.time == keyEvent.time) return false;
}
this->activateShortcut({keyEvent.detail, keyEvent.state & QHotkeyPrivateX11::validModsMask});
} else if (genericEvent->response_type == XCB_KEY_RELEASE) {
xcb_key_release_event_t keyEvent = *static_cast<xcb_key_release_event_t *>(message);
this->prevEvent = keyEvent;
QTimer::singleShot(50, [this, keyEvent] {
if(this->prevEvent.time == keyEvent.time && this->prevEvent.response_type == keyEvent.response_type && this->prevEvent.detail == keyEvent.detail){
this->releaseShortcut({keyEvent.detail, keyEvent.state & QHotkeyPrivateX11::validModsMask});
}
});
this->prevHandledEvent = keyEvent;
}
return false;
}
QString QHotkeyPrivateX11::getX11String(Qt::Key keycode)
{
switch(keycode){
case Qt::Key_MediaLast :
case Qt::Key_MediaPrevious :
return QStringLiteral("XF86AudioPrev");
case Qt::Key_MediaNext :
return QStringLiteral("XF86AudioNext");
case Qt::Key_MediaPause :
case Qt::Key_MediaPlay :
case Qt::Key_MediaTogglePlayPause :
return QStringLiteral("XF86AudioPlay");
case Qt::Key_MediaRecord :
return QStringLiteral("XF86AudioRecord");
case Qt::Key_MediaStop :
return QStringLiteral("XF86AudioStop");
default :
return QKeySequence(keycode).toString(QKeySequence::NativeText);
}
}
quint32 QHotkeyPrivateX11::nativeKeycode(Qt::Key keycode, bool &ok)
{
QString keyString = getX11String(keycode);
KeySym keysym = XStringToKeysym(keyString.toLatin1().constData());
if (keysym == NoSymbol) {
//not found -> just use the key
if(keycode <= 0xFFFF)
keysym = keycode;
else
return 0;
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
const QNativeInterface::QX11Application *x11Interface = qGuiApp->nativeInterface<QNativeInterface::QX11Application>();
Display *display = x11Interface->display();
#else
const bool x11Interface = QX11Info::isPlatformX11();
Display *display = QX11Info::display();
#endif
if(x11Interface) {
auto res = XKeysymToKeycode(display, keysym);
if(res != 0)
ok = true;
return res;
}
return 0;
}
quint32 QHotkeyPrivateX11::nativeModifiers(Qt::KeyboardModifiers modifiers, bool &ok)
{
quint32 nMods = 0;
if (modifiers & Qt::ShiftModifier)
nMods |= ShiftMask;
if (modifiers & Qt::ControlModifier)
nMods |= ControlMask;
if (modifiers & Qt::AltModifier)
nMods |= Mod1Mask;
if (modifiers & Qt::MetaModifier)
nMods |= Mod4Mask;
ok = true;
return nMods;
}
bool QHotkeyPrivateX11::registerShortcut(QHotkey::NativeShortcut shortcut)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
const QNativeInterface::QX11Application *x11Interface = qGuiApp->nativeInterface<QNativeInterface::QX11Application>();
Display *display = x11Interface->display();
#else
const bool x11Interface = QX11Info::isPlatformX11();
Display *display = QX11Info::display();
#endif
if(!display || !x11Interface)
return false;
HotkeyErrorHandler errorHandler;
for(quint32 specialMod : QHotkeyPrivateX11::specialModifiers) {
XGrabKey(display,
shortcut.key,
shortcut.modifier | specialMod,
DefaultRootWindow(display),
True,
GrabModeAsync,
GrabModeAsync);
}
XSync(display, False);
if(errorHandler.hasError) {
error = errorHandler.errorString;
this->unregisterShortcut(shortcut);
return false;
}
return true;
}
bool QHotkeyPrivateX11::unregisterShortcut(QHotkey::NativeShortcut shortcut)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 2, 0)
Display *display = qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display();
#else
Display *display = QX11Info::display();
#endif
if(!display)
return false;
HotkeyErrorHandler errorHandler;
for(quint32 specialMod : QHotkeyPrivateX11::specialModifiers) {
XUngrabKey(display,
shortcut.key,
shortcut.modifier | specialMod,
XDefaultRootWindow(display));
}
XSync(display, False);
if(HotkeyErrorHandler::hasError) {
error = HotkeyErrorHandler::errorString;
return false;
}
return true;
}
QString QHotkeyPrivateX11::formatX11Error(Display *display, int errorCode)
{
char errStr[256];
XGetErrorText(display, errorCode, errStr, 256);
return QString::fromLatin1(errStr);
}
// ---------- QHotkeyPrivateX11::HotkeyErrorHandler implementation ----------
bool QHotkeyPrivateX11::HotkeyErrorHandler::hasError = false;
QString QHotkeyPrivateX11::HotkeyErrorHandler::errorString;
QHotkeyPrivateX11::HotkeyErrorHandler::HotkeyErrorHandler()
{
prevHandler = XSetErrorHandler(&HotkeyErrorHandler::handleError);
}
QHotkeyPrivateX11::HotkeyErrorHandler::~HotkeyErrorHandler()
{
XSetErrorHandler(prevHandler);
hasError = false;
errorString.clear();
}
int QHotkeyPrivateX11::HotkeyErrorHandler::handleError(Display *display, XErrorEvent *error)
{
switch (error->error_code) {
case BadAccess:
case BadValue:
case BadWindow:
if (error->request_code == 33 || //grab key
error->request_code == 34) {// ungrab key
hasError = true;
errorString = QHotkeyPrivateX11::formatX11Error(display, error->error_code);
return 1;
}
Q_FALLTHROUGH();
// fall through
default:
return 0;
}
}

5
TestHotKey/Resources.qrc Normal file
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<RCC>
<qresource prefix="/">
<file>resources/PicShot_32.svg</file>
</qresource>
</RCC>

23
TestHotKey/main.cpp Normal file
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/*
* Copyright (C) 2019~2022 All rights reserved.
*
* Author: XMuli xmulitech@gmail.com
*
* GitHub: https://github.com/XMuli
* Blogs: https://ifmet.cn
* CSDN: https://blog.csdn.net/qq_33154343
*/
#include "widget.h"
#include <QApplication>
#include "tray.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Tray* tary = new Tray();
QApplication::setQuitOnLastWindowClosed(false);
return a.exec();
}

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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1633629870121" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="11936" width="32" height="32" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><style type="text/css"></style></defs><path d="M234.3 269.5H118.8c-12 0-21.7-9.7-21.7-21.7s9.7-21.7 21.7-21.7h115.5c12 0 21.7 9.7 21.7 21.7-0.1 12-9.8 21.7-21.7 21.7z m543.1 619.8c-12 0-21.7-9.7-21.7-21.7V764.8c0-12 9.7-21.7 21.7-21.7s21.7 9.7 21.7 21.7v102.9c0 11.9-9.7 21.6-21.7 21.6z m0 0" fill="#2197EF" p-id="11937"></path><path d="M241.8 776.1c-12 0-21.7-9.7-21.7-21.7V158.8c0-12 9.7-21.7 21.7-21.7s21.7 9.7 21.7 21.7v595.6c0 12-9.7 21.7-21.7 21.7z m0 0" fill="#2197EF" p-id="11938"></path><path d="M364.1 269.5h413.3c12 0 21.7-9.7 21.7-21.7s-9.7-21.7-21.7-21.7H364.1c-12 0-21.7 9.7-21.7 21.7s9.7 21.7 21.7 21.7z" fill="#A9DEFF" p-id="11939"></path><path d="M876.5 732.8H249.4c-12 0-21.7 9.7-21.7 21.7s9.7 21.7 21.7 21.7h627.1c12 0 21.7-9.7 21.7-21.7-0.1-12.1-9.8-21.7-21.7-21.7z" fill="#2197EF" p-id="11940"></path><path d="M777.4 662.6c-12 0-21.7-9.7-21.7-21.7V247.8c0-12 9.7-21.7 21.7-21.7s21.7 9.7 21.7 21.7v393.1c0 12-9.7 21.7-21.7 21.7z m0 0" fill="#A9DEFF" p-id="11941"></path></svg>

After

Width:  |  Height:  |  Size: 1.3 KiB

55
TestHotKey/tray.cpp Normal file
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/*
* Copyright (C) 2019~2022 All rights reserved.
*
* Author: XMuli xmulitech@gmail.com
*
* GitHub: https://github.com/XMuli
* Blogs: https://ifmet.cn
* CSDN: https://blog.csdn.net/qq_33154343
*/
#include "tray.h"
#include <QCoreApplication>
#include <QIcon>
#include <QKeySequence>
#include "widget.h"
Tray::Tray(QObject *parent)
: QObject(parent)
, m_screenShot(nullptr)
, m_quit(nullptr)
, m_menuTary(nullptr)
, m_sysTary(nullptr)
, m_hkScrnShot(new QHotkey(QKeySequence("f6"), true, qApp))
{
m_screenShot = new QAction(tr("ScreenShot"), this);
m_quit = new QAction(tr("Quit"), this);
m_menuTary = new QMenu();
m_menuTary->addAction(m_screenShot);
m_menuTary->addSeparator();
m_menuTary->addAction(m_quit);
m_sysTary = new QSystemTrayIcon(this);
m_sysTary->setIcon(QIcon(":/resources/PicShot_32.svg"));
m_sysTary->setToolTip(tr("PicShot Test"));
m_sysTary->setContextMenu(m_menuTary);
m_sysTary->setVisible(true);
connect(m_hkScrnShot, &QHotkey::activated, this, &Tray::onScreenShot);
connect(m_screenShot, &QAction::triggered, this, &Tray::onScreenShot);
connect(m_quit, &QAction::triggered, []() {
qApp->quit();
});
}
void Tray::onScreenShot()
{
auto& ins = Widget::instance();
ins.show();
// 解决方案: show() 之后,设置为激活窗口即可
if(!ins.isActiveWindow())
ins.activateWindow();
}

37
TestHotKey/tray.h Normal file
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/*
* Copyright (C) 2019~2022 All rights reserved.
*
* Author: XMuli xmulitech@gmail.com
*
* GitHub: https://github.com/XMuli
* Blog: https://ifmet.cn
* CSDN: https://blog.csdn.net/qq_33154343
*/
#ifndef TRAY_H
#define TRAY_H
#include <QAction>
#include <QMenu>
#include <QObject>
#include <QSystemTrayIcon>
#include <QHotkey>
class Tray : public QObject
{
Q_OBJECT
public:
explicit Tray(QObject *parent = nullptr);
public slots:
void onScreenShot();
private:
QAction* m_screenShot;
QAction* m_quit;
QMenu* m_menuTary;
QSystemTrayIcon* m_sysTary;
QHotkey* m_hkScrnShot; // 热键
};
#endif // TRAY_H

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/*
* Copyright (C) 2019~2022 All rights reserved.
*
* Author: XMuli xmulitech@gmail.com
*
* GitHub: https://github.com/XMuli
* Blog: https://ifmet.cn
* CSDN: https://blog.csdn.net/qq_33154343
*/
#include "widget.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QKeyEvent>
#include <QRect>
#include <QDebug>
#include <QPainter>
Widget::Widget(QWidget *parent)
: QWidget(parent)
{
setFocusPolicy(Qt::StrongFocus);
QDesktopWidget *desktop = QApplication::desktop(); // 获取桌面的窗体对象
const QRect geom = desktop->geometry(); // 多屏的矩形取并集
setWindowFlags(Qt::FramelessWindowHint /*| Qt::WindowStaysOnTopHint */| windowFlags()); // 去掉标题栏 + 置顶
// setAttribute(Qt::WA_ShowWithoutActivating,true);
// setFocusPolicy(Qt::StrongFocus);
// setFixedSize(QSize(geom.size().width() / 4, geom.size().height()));
setFixedSize(QSize(512, geom.size().height()));
setMouseTracking(true);
}
Widget &Widget::instance()
{
static Widget m_instance;
return m_instance;
}
void Widget::getScrnShots()
{
// QWidget::setFocus();
show();
}
Widget::~Widget()
{
}
void Widget::keyPressEvent(QKeyEvent *event)
{
if (event->key() == Qt::Key_Escape) {
qDebug() << "Key_Escape";
hide();
//close(); // 销毁会有问题,已经排查1. tray 有关,改用 qpushbutton 和 close即可 2.单例有关,该市建议修改为 new 指针的比较合适
} else if (event->key() == Qt::Key_A) {
qDebug() << "Key_A";
}
}
void Widget::mouseMoveEvent(QMouseEvent *event)
{
m_pos = event->globalPos();
update();
}
void Widget::paintEvent(QPaintEvent *event)
{
QPainter pa(this);
pa.drawText(100, 200, QString("m_pos(%1, %2)").arg(m_pos.x()).arg(m_pos.y()));
}

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/*
* Copyright (C) 2019~2022 All rights reserved.
*
* Author: XMuli xmulitech@gmail.com
*
* GitHub: https://github.com/XMuli
* Blogs: https://ifmet.cn
* CSDN: https://blog.csdn.net/qq_33154343
*/
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
class Widget : public QWidget
{
Q_OBJECT
public:
static Widget& instance();
void getScrnShots();
~Widget();
private:
Widget(QWidget *parent = nullptr);
protected:
virtual void keyPressEvent(QKeyEvent *event) override;
virtual void mouseMoveEvent(QMouseEvent *event) override;
virtual void paintEvent(QPaintEvent *event) override;
private:
QPoint m_pos;
};
#endif // WIDGET_H