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ubuntu/cosmic
Simon Quigley 7 years ago
parent 6740066554
commit ac30a0a811
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9
AUTHORS
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Upstream Authors:
LXQt team: http://lxqt.org
Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
Copyright:
Copyright (c) 2013-2017 LXQt team
License: LGPL-2.1+
The full text of the licenses can be found in the 'COPYING' file.

109
CHANGELOG
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lxqt-qtplugin-0.12.0 / 2017-10-21
=================================
* Set an informal patch version
* Don't export github templates
* Flag unused vars in onServiceOwnerChanged
* Fix missing variable declaration
* Handle QML (as @PCMan suggested)
* Use mime functions added by @PCMan
* Loading and saving window/splitter size
* Central positioning with respect to parent
* Set window title correctly
* Qt version conditions
* Just made it compilable
* Handle mime-type filters for file dialog. Set custom file dialog labels.
* Update options properly.
* Implement a basic file dialog helper using libfm-qt's Fm::FileDialog.
* Avoid using Qt-specific keywords such as signal/slot and foreach. Instead, use macros.
* LXQtPlatformTheme: Make Qt use default palette (#22)
* LXQtPlatformTheme: Add icon FollowColorScheme config (#21)
* Prevent a possible C++11 range for detach (#20)
* Use the CMake MODULE library type.
* LXQtPlatformTheme: Propagate wheelScrollLines
* LXQtPlatformTheme: Do not provide own palette
* Fix multiple StatusNotifierItems.
* Bump year
* Updates lxqt-build-tools required version
0.11.1 / 2016-12-11
===================
* Release 0.11.1: Update changelog
* Use lxqt-build-tools
* Use the new lxqt-build-tools package
* Remove cpack (#14)
0.11.0 / 2016-09-24
===================
* Release 0.11.0: Add changelog
* Add Qt5XdgIconLoader as dependency (#13)
* Update README.md
* statusnotifieritem: Correctly handle menu
* Cleaned up licenses
* Use XdgIconLoader library (#10)
* xdgIconThemePaths: Use QString::SkipEmptyParts
* xdgIconThemePaths: Remove duplicated paths
* Adds $XDG_DATA_HOME to the XdgIconThemePaths
* Bump year in AUTHORS
0.10.0 / 2015-11-02
===================
* Remove unnecessary qDebug calls
* Use markdown for README
* Fix license file
* Fix mixed indents
* Remove Qt >= 5.3 check
* Removed GPL2, added Digia Qt LGPL Exception version 1.1
* SNI: don't create a SNI if support isn't available
* SNI: monitor the watcher in case the host restarts
* SNI: implement scroll, showMessage and improve icons
* SNI: create default context menu
* Support the StatusNotifierItem spec natively
* Use the standard palette of the current Qt theme
* Handles CMake policy CMP0063
* Use the LXQtCompilerSettings CMake module
* Add .gitignore
* Updates the build system to use the Targets infrastructure
* Remove trailing whitespaces
* removed debug (which makes every app too verbose)
0.9.0 / 2015-01-19
==================
* Try to workaround bug #441 - All LXQt::Settings and QSettings file change monitoring stop working.
* - Unify naming for a unique lxqt. No more suffixes
* Qt5: Use XDG_DATA_DIR for themeHint::IconThemeSearchPaths
* CMakeLists.txt cleanuop and drop Qt4 support
0.8.0 / 2014-07-18
==================
* Apply the default application font on program startup.
* Apply the new font to all apps correctly and fix lxde/lxde-qt bug #212 - Changing font or theme in lxqt-config-appearance has no effect.
* Make the code compile with Qt 5.2, fix lxde-qt bug #207.
* Fix lxde-qt bug #207: lxqt-qtplugin fail to build with Qt5.
* Use qmake to query the path of Qt5 plugin dir, which is much more reliable.
* Update README and provide information for usage and debugging.
* Use a more reliable and portable way to get the path of Qt5 plugin dir.
* Support setting default UI font.
* Make "oxygen" the default icon theme name. * Apply new style name and icon theme name when the config file is changed.
* Simplify the Qt5 plugin and remove liblxqt dependency from it.
* Correctly read config values.
* Try to load some Qt settings.
* Implement a very basic Qt5 platform theme plugin.
* Prepare for Qt5 support.
* Use preferred header style.
* Remove unnecessary debug messages.
* Fix int-to-enum casting
0.7.0 / 2014-04-29
==================
* Update AUTHORS and COPYING
* Add CPack rules for creating tarball
* Support toolbar styles and activating items with single click.
* Initial import.

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CMakeLists.txt
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cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
project(lxqt-qtplugin)
include(GNUInstallDirs)
set(LXQTBT_MINIMUM_VERSION "0.4.0")
set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
find_package(Qt5Widgets REQUIRED)
find_package(Qt5LinguistTools REQUIRED)
find_package(Qt5DBus REQUIRED)
find_package(dbusmenu-qt5 REQUIRED)
find_package(lxqt-build-tools ${LXQTBT_MINIMUM_VERSION} REQUIRED)
find_package(Qt5XdgIconLoader REQUIRED)
# Patch Version 0
# for file dialog support
find_package(Qt5X11Extras REQUIRED)
find_package(fm-qt REQUIRED)
include(LXQtCompilerSettings NO_POLICY_SCOPE)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
add_subdirectory(src)

458
LICENSE
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27
README.md
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# lxqt-qtplugin
## Overview
This repository is providing a library `libqtlxqt` to integrate Qt with LXQt.
With this plugin, all Qt-based programs can adopt settings of LXQt, such as the icon theme.
## Installation
### Compiling source code
Runtime dependencies are libdbusmenu-qt5 and [liblxqt](https://github.com/lxde/liblxqt).
Additional build dependencies are CMake and qttools, optionally Git to pull latest VCS checkouts.
Code configuration is handled by CMake. CMake variable `CMAKE_INSTALL_PREFIX` has to be set to `/usr` on most operating systems.
To build run `make`, to install `make install` which accepts variable `DESTDIR` as usual.
### Binary packages
Official binary packages are provided by all major Linux distributions like Arch Linux, Debian (as of Debian stretch only), Fedora and openSUSE. Just use your package manager to search for string `lxqt-qtplugin`.
## Configuration, Usage
To use the plugin in Qt 5, we have to export environment variable `QT_QPA_PLATFORMTHEME=lxqt`. Then every Qt5 program can load the theme plugin.
If, for some unknown reasons, the plugin is not loaded, we can debug the plugin by exporting `QT_DEBUG_PLUGINS=1`. Then, Qt5 will print detailed information and error messages about all plugins in the console when running any Qt5 programs.

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src/CMakeLists.txt
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include_directories(
${Qt5Gui_PRIVATE_INCLUDE_DIRS}
"${CMAKE_CURRENT_BINARY_DIR}"
)
set(qtlxqt_HDRS
lxqtplatformtheme.h
lxqtsystemtrayicon.h
lxqtfiledialoghelper.h
statusnotifieritem/statusnotifieritem.h
statusnotifieritem/dbustypes.h
)
set(qtlxqt_SRCS
main.cpp
lxqtplatformtheme.cpp
lxqtsystemtrayicon.cpp
lxqtfiledialoghelper.cpp
statusnotifieritem/statusnotifieritem.cpp
statusnotifieritem/dbustypes.cpp
)
qt5_add_dbus_adaptor(qtlxqt_SRCS
statusnotifieritem/org.kde.StatusNotifierItem.xml
statusnotifieritem/statusnotifieritem.h
StatusNotifierItem
)
add_library(qtlxqt MODULE ${qtlxqt_HDRS} ${qtlxqt_SRCS})
target_link_libraries(qtlxqt
Qt5::Widgets
Qt5::DBus
dbusmenu-qt5
Qt5XdgIconLoader
fm-qt
)
# there is no standard way to get the plugin dir of Qt5 with cmake
# The best way is get_target_property(QT_PLUGINS_DIR Qt5::QGtk2ThemePlugin LOCATION).
# This directly returns the platformthemes dir. However, this does not work
# in some distros, such as ubuntu.
# Finally, I came up with a more reliable way by using qmake.
get_target_property(QT_QMAKE_EXECUTABLE ${Qt5Core_QMAKE_EXECUTABLE} IMPORTED_LOCATION)
if(NOT QT_QMAKE_EXECUTABLE)
message(FATAL_ERROR "qmake is not found.")
endif()
# execute the command "qmake -query QT_INSTALL_PLUGINS" to get the path of plugins dir.
execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_INSTALL_PLUGINS
OUTPUT_VARIABLE QT_PLUGINS_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(QT_PLUGINS_DIR)
message(STATUS "Qt5 plugin directory:" "${QT_PLUGINS_DIR}")
else()
message(FATAL_ERROR "Qt5 plugin directory cannot be detected.")
endif()
install(TARGETS qtlxqt LIBRARY DESTINATION "${QT_PLUGINS_DIR}/platformthemes")

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#include "lxqtfiledialoghelper.h"
#include <libfm-qt/libfmqt.h>
#include <libfm-qt/filedialog.h>
#include <QWindow>
#include <QDebug>
#include <QTimer>
#include <QSettings>
#include <memory>
static std::unique_ptr<Fm::LibFmQt> libfmQtContext_;
LXQtFileDialogHelper::LXQtFileDialogHelper() {
if(!libfmQtContext_) {
// initialize libfm-qt only once
libfmQtContext_ = std::unique_ptr<Fm::LibFmQt>{new Fm::LibFmQt()};
}
// can only be used after libfm-qt initialization
dlg_ = std::unique_ptr<Fm::FileDialog>(new Fm::FileDialog());
connect(dlg_.get(), &Fm::FileDialog::accepted, [this]() {
saveSettings();
accept();
});
connect(dlg_.get(), &Fm::FileDialog::rejected, [this]() {
saveSettings();
reject();
});
connect(dlg_.get(), &Fm::FileDialog::fileSelected, this, &LXQtFileDialogHelper::fileSelected);
connect(dlg_.get(), &Fm::FileDialog::filesSelected, this, &LXQtFileDialogHelper::filesSelected);
connect(dlg_.get(), &Fm::FileDialog::currentChanged, this, &LXQtFileDialogHelper::currentChanged);
connect(dlg_.get(), &Fm::FileDialog::directoryEntered, this, &LXQtFileDialogHelper::directoryEntered);
connect(dlg_.get(), &Fm::FileDialog::filterSelected, this, &LXQtFileDialogHelper::filterSelected);
}
LXQtFileDialogHelper::~LXQtFileDialogHelper() {
}
void LXQtFileDialogHelper::exec() {
dlg_->exec();
}
bool LXQtFileDialogHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow* parent) {
dlg_->setAttribute(Qt::WA_NativeWindow, true); // without this, sometimes windowHandle() will return nullptr
dlg_->setWindowFlags(windowFlags);
dlg_->setWindowModality(windowModality);
// Reference: KDE implementation
// https://github.com/KDE/plasma-integration/blob/master/src/platformtheme/kdeplatformfiledialoghelper.cpp
dlg_->windowHandle()->setTransientParent(parent);
loadSettings();
// central positioning with respect to the parent window
if(parent && parent->isVisible()) {
dlg_->move(parent->x() + (parent->width() - dlg_->width()) / 2,
parent->y() + (parent->height() - dlg_->height()) / 2);
}
applyOptions();
// NOTE: the timer here is required as a workaround borrowed from KDE. Without this, the dialog UI will be blocked.
// QFileDialog calls our platform plugin to show our own native file dialog instead of showing its widget.
// However, it still creates a hidden dialog internally, and then make it modal.
// So user input from all other windows that are not the children of the QFileDialog widget will be blocked.
// This includes our own dialog. After the return of this show() method, QFileDialog creates its own window and
// then make it modal, which blocks our UI. The timer schedule a delayed popup of our file dialog, so we can
// show again after QFileDialog and override the modal state. Then our UI can be unblocked.
QTimer::singleShot(0, dlg_.get(), &QDialog::show);
dlg_->setFocus();
return true;
}
void LXQtFileDialogHelper::hide() {
dlg_->hide();
}
bool LXQtFileDialogHelper::defaultNameFilterDisables() const {
return false;
}
void LXQtFileDialogHelper::setDirectory(const QUrl& directory) {
dlg_->setDirectory(directory);
}
QUrl LXQtFileDialogHelper::directory() const {
return dlg_->directory();
}
void LXQtFileDialogHelper::selectFile(const QUrl& filename) {
dlg_->selectFile(filename);
}
QList<QUrl> LXQtFileDialogHelper::selectedFiles() const {
return dlg_->selectedFiles();
}
void LXQtFileDialogHelper::setFilter() {
// FIXME: what's this?
// The gtk+ 3 file dialog helper in Qt5 update options in this method.
applyOptions();
}
void LXQtFileDialogHelper::selectNameFilter(const QString& filter) {
dlg_->selectNameFilter(filter);
}
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
QString LXQtFileDialogHelper::selectedMimeTypeFilter() const {
return dlg_->selectedMimeTypeFilter();
}
void LXQtFileDialogHelper::selectMimeTypeFilter(const QString& filter) {
dlg_->selectMimeTypeFilter(filter);
}
#endif
QString LXQtFileDialogHelper::selectedNameFilter() const {
return dlg_->selectedNameFilter();
}
bool LXQtFileDialogHelper::isSupportedUrl(const QUrl& url) const {
return dlg_->isSupportedUrl(url);
}
void LXQtFileDialogHelper::applyOptions() {
auto& opt = options();
// set title
if(opt->windowTitle().isEmpty()) {
dlg_->setWindowTitle(opt->acceptMode() == QFileDialogOptions::AcceptOpen ? tr("Open File")
: tr("Save File"));
}
else {
dlg_->setWindowTitle(opt->windowTitle());
}
dlg_->setFilter(opt->filter());
dlg_->setViewMode(opt->viewMode() == QFileDialogOptions::Detail ? Fm::FolderView::DetailedListMode
: Fm::FolderView::CompactMode);
dlg_->setFileMode(QFileDialog::FileMode(opt->fileMode()));
dlg_->setAcceptMode(QFileDialog::AcceptMode(opt->acceptMode())); // also sets a default label for accept button
// bool useDefaultNameFilters() const;
dlg_->setNameFilters(opt->nameFilters());
if(!opt->mimeTypeFilters().empty()) {
dlg_->setMimeTypeFilters(opt->mimeTypeFilters());
}
dlg_->setDefaultSuffix(opt->defaultSuffix());
// QStringList history() const;
// explicitly set labels
for(int i = 0; i < QFileDialogOptions::DialogLabelCount; ++i) {
auto label = static_cast<QFileDialogOptions::DialogLabel>(i);
if(opt->isLabelExplicitlySet(label)) {
dlg_->setLabelText(static_cast<QFileDialog::DialogLabel>(label), opt->labelText(label));
}
}
auto url = opt->initialDirectory();
if(url.isValid()) {
dlg_->setDirectory(url);
}
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
auto filter = opt->initiallySelectedMimeTypeFilter();
if(!filter.isEmpty()) {
selectMimeTypeFilter(filter);
}
else {
filter = opt->initiallySelectedNameFilter();
if(!filter.isEmpty()) {
selectNameFilter(opt->initiallySelectedNameFilter());
}
}
#else
auto filter = opt->initiallySelectedNameFilter();
if(!filter.isEmpty()) {
selectNameFilter(filter);
}
#endif
auto selectedFiles = opt->initiallySelectedFiles();
for(const auto& selectedFile: selectedFiles) {
selectFile(selectedFile);
}
// QStringList supportedSchemes() const;
}
void LXQtFileDialogHelper::loadSettings() {
QSettings settings(QSettings::UserScope, "lxqt", "filedialog");
settings.beginGroup ("Sizes");
dlg_->resize(settings.value("WindowSize", QSize(700, 500)).toSize());
dlg_->setSplitterPos(settings.value("SplitterPos", 200).toInt());
settings.endGroup();
}
void LXQtFileDialogHelper::saveSettings() {
QSettings settings(QSettings::UserScope, "lxqt", "filedialog");
settings.beginGroup ("Sizes");
QSize windowSize = dlg_->size();
if(settings.value("WindowSize") != windowSize) { // no redundant write
settings.setValue("WindowSize", windowSize);
}
int splitterPos = dlg_->splitterPos();
if(settings.value("SplitterPos") != splitterPos) {
settings.setValue("SplitterPos", splitterPos);
}
settings.endGroup();
}
/*
FileDialogPlugin::FileDialogPlugin() {
}
QPlatformFileDialogHelper *FileDialogPlugin::createHelper() {
return new LXQtFileDialogHelper();
}
*/

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#ifndef LXQTFILEDIALOGHELPER_H
#define LXQTFILEDIALOGHELPER_H
#include <qpa/qplatformdialoghelper.h> // this private header is subject to changes
#include <memory>
namespace Fm {
class FileDialog;
}
class Q_GUI_EXPORT LXQtFileDialogHelper : public QPlatformFileDialogHelper {
Q_OBJECT
public:
LXQtFileDialogHelper();
virtual ~LXQtFileDialogHelper();
// QPlatformDialogHelper
void exec() override;
bool show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent) override;
void hide() override;
// QPlatformFileDialogHelper
bool defaultNameFilterDisables() const override;
void setDirectory(const QUrl &directory) override;
QUrl directory() const override;
void selectFile(const QUrl &filename) override;
QList<QUrl> selectedFiles() const override;
void setFilter() override;
void selectNameFilter(const QString &filter) override;
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
QString selectedMimeTypeFilter() const override;
void selectMimeTypeFilter(const QString &filter) override;
#endif
QString selectedNameFilter() const override;
bool isSupportedUrl(const QUrl &url) const override;
private:
void applyOptions();
void loadSettings();
void saveSettings();
private:
std::unique_ptr<Fm::FileDialog> dlg_;
};
#endif // LXQTFILEDIALOGHELPER_H

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://lxde.org/
*
* Copyright: 2014 LXQt team
* Authors:
* Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtplatformtheme.h"
#include <QVariant>
#include <QDebug>
#include <QIcon>
#include <QStandardPaths>
#include <QApplication>
#include <QWidget>
#include <QMetaObject>
#include <QMetaProperty>
#include <QMetaEnum>
#include <QToolBar>
#include <QSettings>
#include <QTimer>
#include <QDir>
#include <QFileInfo>
#include <QFileSystemWatcher>
#include <QStyle>
#include <private/xdgiconloader/xdgiconloader_p.h>
#include "lxqtfiledialoghelper.h"
LXQtPlatformTheme::LXQtPlatformTheme():
iconFollowColorScheme_(true)
, settingsWatcher_(NULL)
{
// When the plugin is loaded, it seems that the app is not yet running and
// QThread environment is not completely set up. So creating filesystem watcher
// does not work since it uses QSocketNotifier internally which can only be
// created within QThread thread. So let's schedule a idle handler to initialize
// the watcher in the main event loop.
loadSettings();
QTimer::singleShot(0, this, SLOT(initWatch()));
}
LXQtPlatformTheme::~LXQtPlatformTheme() {
if(settingsWatcher_)
delete settingsWatcher_;
}
void LXQtPlatformTheme::initWatch()
{
settingsWatcher_ = new QFileSystemWatcher();
settingsWatcher_->addPath(settingsFile_);
connect(settingsWatcher_, &QFileSystemWatcher::fileChanged, this, &LXQtPlatformTheme::onSettingsChanged);
}
void LXQtPlatformTheme::loadSettings() {
// QSettings is really handy. It tries to read from /etc/xdg/lxqt/lxqt.conf
// as a fallback if a key is missing from the user config file ~/.config/lxqt/lxqt.conf.
// So we can customize the default values in /etc/xdg/lxqt/lxqt.conf and does
// not necessarily to hard code the default values here.
QSettings settings(QSettings::UserScope, "lxqt", "lxqt");
settingsFile_ = settings.fileName();
// icon theme
iconTheme_ = settings.value("icon_theme", "oxygen").toString();
iconFollowColorScheme_ = settings.value("icon_follow_color_scheme", iconFollowColorScheme_).toBool();
// read other widget related settings form LxQt settings.
QByteArray tb_style = settings.value("tool_button_style").toByteArray();
// convert toolbar style name to value
QMetaEnum me = QToolBar::staticMetaObject.property(QToolBar::staticMetaObject.indexOfProperty("toolButtonStyle")).enumerator();
int value = me.keyToValue(tb_style.constData());
if(value == -1)
toolButtonStyle_ = Qt::ToolButtonTextBesideIcon;
else
toolButtonStyle_ = static_cast<Qt::ToolButtonStyle>(value);
// single click activation
singleClickActivate_ = settings.value("single_click_activate").toBool();
// load Qt settings
settings.beginGroup(QLatin1String("Qt"));
// widget style
style_ = settings.value(QLatin1String("style"), QLatin1String("fusion")).toString();
// SystemFont
fontStr_ = settings.value(QLatin1String("font")).toString();
if(!fontStr_.isEmpty()) {
if(font_.fromString(fontStr_))
QApplication::setFont(font_); // it seems that we need to do this manually.
}
// FixedFont
fixedFontStr_ = settings.value(QLatin1String("fixedFont")).toString();
if(!fixedFontStr_.isEmpty()) {
fixedFont_.fromString(fixedFontStr_);
}
// mouse
doubleClickInterval_ = settings.value(QLatin1String("doubleClickInterval"));
wheelScrollLines_ = settings.value(QLatin1String("wheelScrollLines"));
// keyboard
cursorFlashTime_ = settings.value(QLatin1String("cursorFlashTime"));
settings.endGroup();
}
// this is called whenever the config file is changed.
void LXQtPlatformTheme::onSettingsChanged() {
// D*mn! yet another Qt 5.4 regression!!!
// See the bug report: https://github.com/lxde/lxqt/issues/441
// Since Qt 5.4, QSettings uses QSaveFile to save the config files.
// https://github.com/qtproject/qtbase/commit/8d15068911d7c0ba05732e2796aaa7a90e34a6a1#diff-e691c0405f02f3478f4f50a27bdaecde
// QSaveFile will save the content to a new temp file, and replace the old file later.
// Hence the existing config file is not changed. Instead, it's deleted and then replaced.
// This new behaviour unfortunately breaks QFileSystemWatcher.
// After file deletion, we can no longer receive any new change notifications.
// The most ridiculous thing is, QFileSystemWatcher does not provide a
// way for us to know if a file is deleted. WT*?
// Luckily, I found a workaround: If the file path no longer exists
// in the watcher's files(), this file is deleted.
bool file_deleted = !settingsWatcher_->files().contains(settingsFile_);
if(file_deleted) // if our config file is already deleted, reinstall a new watcher
settingsWatcher_->addPath(settingsFile_);
// NOTE: in Qt4, Qt monitors the change of _QT_SETTINGS_TIMESTAMP root property and
// reload Trolltech.conf when the value is changed. Then, it automatically
// applies the new settings.
// Unfortunately, this is no longer the case in Qt5. Yes, yet another regression.
// We're free to provide our own platform plugin, but Qt5 does not
// update the settings and repaint the UI. We need to do it ourselves
// through dirty hacks and private Qt internal APIs.
QString oldStyle = style_;
QString oldIconTheme = iconTheme_;
QString oldFont = fontStr_;
QString oldFixedFont = fixedFontStr_;
loadSettings(); // reload the config file
if(style_ != oldStyle) // the widget style is changed
{
// ask Qt5 to apply the new style
if (qobject_cast<QApplication *>(QCoreApplication::instance()))
QApplication::setStyle(style_);
}
if(iconTheme_ != oldIconTheme) { // the icon theme is changed
XdgIconLoader::instance()->updateSystemTheme(); // this is a private internal API of Qt5.
}
XdgIconLoader::instance()->setFollowColorScheme(iconFollowColorScheme_);
// if font is changed
if(oldFont != fontStr_ || oldFixedFont != fixedFontStr_){
// FIXME: to my knowledge there is no way to ask Qt to reload the fonts.
// Should we call QApplication::setFont() to override the font?
// This does not work with QSS, though.
//
// After reading the source code of Qt, I think the right method to call
// here is QApplicationPrivate::setSystemFont(). However, this is an
// internal API and should not be used. Let's call QApplication::setFont()
// instead since it approximately does the same thing.
// Internally, QApplication will emit QEvent::ApplicationFontChange so
// all of the widgets will update their fonts.
// FIXME: should we call the internal API: QApplicationPrivate::setFont() instead?
// QGtkStyle does this internally.
fixedFont_.fromString(fixedFontStr_); // FIXME: how to set this to the app?
if(font_.fromString(fontStr_))
QApplication::setFont(font_);
}
QApplication::setWheelScrollLines(wheelScrollLines_.toInt());
// emit a ThemeChange event to all widgets
Q_FOREACH(QWidget* widget, QApplication::allWidgets()) {
// Qt5 added a QEvent::ThemeChange event.
QEvent event(QEvent::ThemeChange);
QApplication::sendEvent(widget, &event);
}
}
bool LXQtPlatformTheme::usePlatformNativeDialog(DialogType type) const {
if(type == FileDialog
&& qobject_cast<QApplication *>(QCoreApplication::instance())) { // QML may not have qApp
// use our own file dialog
return true;
}
return false;
}
QPlatformDialogHelper *LXQtPlatformTheme::createPlatformDialogHelper(DialogType type) const {
if(type == FileDialog
&& qobject_cast<QApplication *>(QCoreApplication::instance())) { // QML may not have qApp
// use our own file dialog
return new LXQtFileDialogHelper();
}
return nullptr;
}
const QPalette *LXQtPlatformTheme::palette(Palette type) const {
return nullptr;
}
const QFont *LXQtPlatformTheme::font(Font type) const {
if(type == SystemFont && !fontStr_.isEmpty()) {
// NOTE: for some reason, this is not called by Qt when program startup.
// So we do QApplication::setFont() manually.
return &font_;
}
else if(type == FixedFont && !fixedFontStr_.isEmpty()) {
return &fixedFont_;
}
return QPlatformTheme::font(type);
}
QVariant LXQtPlatformTheme::themeHint(ThemeHint hint) const {
switch (hint) {
case CursorFlashTime:
return cursorFlashTime_;
case KeyboardInputInterval:
break;
case MouseDoubleClickInterval:
return doubleClickInterval_;
case StartDragDistance:
break;
case StartDragTime:
break;
case KeyboardAutoRepeatRate:
break;
case PasswordMaskDelay:
break;
case StartDragVelocity:
break;
case TextCursorWidth:
break;
case DropShadow:
return QVariant(true);
case MaximumScrollBarDragDistance:
break;
case ToolButtonStyle:
return QVariant(toolButtonStyle_);
case ToolBarIconSize:
break;
case ItemViewActivateItemOnSingleClick:
return QVariant(singleClickActivate_);
case SystemIconThemeName:
return iconTheme_;
case SystemIconFallbackThemeName:
return "hicolor";
case IconThemeSearchPaths:
return xdgIconThemePaths();
case StyleNames:
return QStringList() << style_;
case WindowAutoPlacement:
break;
case DialogButtonBoxLayout:
break;
case DialogButtonBoxButtonsHaveIcons:
return QVariant(true);
case UseFullScreenForPopupMenu:
break;
case KeyboardScheme:
return QVariant(X11KeyboardScheme);
case UiEffects:
break;
case SpellCheckUnderlineStyle:
break;
case TabAllWidgets:
break;
case IconPixmapSizes:
break;
case PasswordMaskCharacter:
break;
case DialogSnapToDefaultButton:
break;
case ContextMenuOnMouseRelease:
break;
case MousePressAndHoldInterval:
break;
case MouseDoubleClickDistance:
break;
case WheelScrollLines:
return wheelScrollLines_;
break;
default:
break;
}
return QPlatformTheme::themeHint(hint);
}
QIconEngine *LXQtPlatformTheme::createIconEngine(const QString &iconName) const
{
return new XdgIconLoaderEngine(iconName);
}
// Helper to return the icon theme paths from XDG.
QStringList LXQtPlatformTheme::xdgIconThemePaths() const
{
QStringList paths;
QStringList xdgDirs;
// Add home directory first in search path
const QFileInfo homeIconDir(QDir::homePath() + QStringLiteral("/.icons"));
if (homeIconDir.isDir())
paths.prepend(homeIconDir.absoluteFilePath());
QString xdgDataHome = QFile::decodeName(qgetenv("XDG_DATA_HOME"));
if (xdgDataHome.isEmpty())
xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
xdgDirs.append(xdgDataHome);
QString xdgDataDirs = QFile::decodeName(qgetenv("XDG_DATA_DIRS"));
if (xdgDataDirs.isEmpty())
xdgDataDirs = QLatin1String("/usr/local/share/:/usr/share/");
xdgDirs.append(xdgDataDirs);
for (const auto &s: xdgDirs) {
const QStringList r = s.split(QLatin1Char(':'), QString::SkipEmptyParts);
for (const auto& xdgDir: r) {
const QFileInfo xdgIconsDir(xdgDir + QStringLiteral("/icons"));
if (xdgIconsDir.isDir())
paths.append(xdgIconsDir.absoluteFilePath());
}
}
paths.removeDuplicates();
return paths;
}

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://lxde.org/
*
* Copyright: 2014 LXQt team
* Authors:
* Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#ifndef LXQTPLATFORMTHEME_H
#define LXQTPLATFORMTHEME_H
#include "lxqtsystemtrayicon.h"
#include <qpa/qplatformtheme.h> // this private header is subject to changes
#include <QtGlobal>
#include <QVariant>
#include <QString>
#include <QFileSystemWatcher>
#include <QFont>
class Q_GUI_EXPORT LXQtPlatformTheme : public QObject, public QPlatformTheme {
Q_OBJECT
public:
LXQtPlatformTheme();
~LXQtPlatformTheme();
// virtual QPlatformMenuItem* createPlatformMenuItem() const;
// virtual QPlatformMenu* createPlatformMenu() const;
// virtual QPlatformMenuBar* createPlatformMenuBar() const;
virtual bool usePlatformNativeDialog(DialogType type) const;
virtual QPlatformDialogHelper *createPlatformDialogHelper(DialogType type) const;
virtual const QPalette *palette(Palette type = SystemPalette) const;
virtual const QFont *font(Font type = SystemFont) const;
virtual QVariant themeHint(ThemeHint hint) const;
QPlatformSystemTrayIcon *createPlatformSystemTrayIcon() const
{
auto trayIcon = new LXQtSystemTrayIcon;
if (trayIcon->isSystemTrayAvailable())
return trayIcon;
else
{
delete trayIcon;
return nullptr;
}
}
// virtual QPixmap standardPixmap(StandardPixmap sp, const QSizeF &size) const;
// virtual QPixmap fileIconPixmap(const QFileInfo &fileInfo, const QSizeF &size,
// QPlatformTheme::IconOptions iconOptions = 0) const;
virtual QIconEngine *createIconEngine(const QString &iconName) const;
// virtual QList<QKeySequence> keyBindings(QKeySequence::StandardKey key) const;
// virtual QString standardButtonText(int button) const;
private:
void loadSettings();
private Q_SLOTS:
void initWatch();
void onSettingsChanged();
private:
// LXQt settings
QString iconTheme_;
Qt::ToolButtonStyle toolButtonStyle_;
bool singleClickActivate_;
bool iconFollowColorScheme_;
// other Qt settings
// widget
QString style_;
QString fontStr_;
QFont font_;
QString fixedFontStr_;
QFont fixedFont_;
// mouse
QVariant doubleClickInterval_;
QVariant wheelScrollLines_;
// keyboard
QVariant cursorFlashTime_;
QFileSystemWatcher *settingsWatcher_;
QString settingsFile_;
QStringList xdgIconThemePaths() const;
};
#endif // LXQTPLATFORMTHEME_H

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{
"Keys": [ "lxqt" ]
}

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://lxqt.org/
*
* Copyright: 2015 LXQt team
* Authors:
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtsystemtrayicon.h"
#include <QAction>
#include <QIcon>
#include <QMenu>
#include <QRect>
#include <QApplication>
#include <QDBusMetaType>
#include <QDBusInterface>
SystemTrayMenu::SystemTrayMenu()
: QPlatformMenu(),
m_tag(0),
m_menu(new QMenu())
{
connect(m_menu.data(), &QMenu::aboutToShow, this, &QPlatformMenu::aboutToShow);
connect(m_menu.data(), &QMenu::aboutToHide, this, &QPlatformMenu::aboutToHide);
}
SystemTrayMenu::~SystemTrayMenu()
{
if (m_menu)
m_menu->deleteLater();
}
QPlatformMenuItem *SystemTrayMenu::createMenuItem() const
{
return new SystemTrayMenuItem();
}
void SystemTrayMenu::insertMenuItem(QPlatformMenuItem *menuItem, QPlatformMenuItem *before)
{
if (SystemTrayMenuItem *ours = qobject_cast<SystemTrayMenuItem*>(menuItem))
{
bool inserted = false;
if (SystemTrayMenuItem *oursBefore = qobject_cast<SystemTrayMenuItem*>(before))
{
for (auto it = m_items.begin(); it != m_items.end(); ++it)
{
if (*it == oursBefore)
{
m_items.insert(it, ours);
if (m_menu)
m_menu->insertAction(oursBefore->action(), ours->action());
inserted = true;
break;
}
}
}
if (!inserted)
{
m_items.append(ours);
if (m_menu)
m_menu->addAction(ours->action());
}
}
}
QPlatformMenuItem *SystemTrayMenu::menuItemAt(int position) const
{
if (position < m_items.size())
return m_items.at(position);
return nullptr;
}
QPlatformMenuItem *SystemTrayMenu::menuItemForTag(quintptr tag) const
{
auto it = std::find_if(m_items.constBegin(), m_items.constEnd(), [tag] (SystemTrayMenuItem *item)
{
return item->tag() == tag;
});
if (it != m_items.constEnd())
return *it;
return nullptr;
}
void SystemTrayMenu::removeMenuItem(QPlatformMenuItem *menuItem)
{
if (SystemTrayMenuItem *ours = qobject_cast<SystemTrayMenuItem*>(menuItem))
{
m_items.removeOne(ours);
if (ours->action() && m_menu)
m_menu->removeAction(ours->action());
}
}
void SystemTrayMenu::setEnabled(bool enabled)
{
if (!m_menu)
return;
m_menu->setEnabled(enabled);
}
void SystemTrayMenu::setIcon(const QIcon &icon)
{
if (!m_menu)
return;
m_menu->setIcon(icon);
}
void SystemTrayMenu::setTag(quintptr tag)
{
m_tag = tag;
}
void SystemTrayMenu::setText(const QString &text)
{
if (!m_menu)
return;
m_menu->setTitle(text);
}
void SystemTrayMenu::setVisible(bool visible)
{
if (!m_menu)
return;
m_menu->setVisible(visible);
}
void SystemTrayMenu::syncMenuItem(QPlatformMenuItem *)
{
// Nothing to do
}
void SystemTrayMenu::syncSeparatorsCollapsible(bool enable)
{
if (!m_menu)
return;
m_menu->setSeparatorsCollapsible(enable);
}
quintptr SystemTrayMenu::tag() const
{
return m_tag;
}
QMenu *SystemTrayMenu::menu() const
{
return m_menu.data();
}
SystemTrayMenuItem::SystemTrayMenuItem()
: QPlatformMenuItem(),
m_tag(0),
m_action(new QAction(this))
{
connect(m_action, &QAction::triggered, this, &QPlatformMenuItem::activated);
connect(m_action, &QAction::hovered, this, &QPlatformMenuItem::hovered);
}
SystemTrayMenuItem::~SystemTrayMenuItem()
{
}
void SystemTrayMenuItem::setCheckable(bool checkable)
{
m_action->setCheckable(checkable);
}
void SystemTrayMenuItem::setChecked(bool isChecked)
{
m_action->setChecked(isChecked);
}
void SystemTrayMenuItem::setEnabled(bool enabled)
{
m_action->setEnabled(enabled);
}
void SystemTrayMenuItem::setFont(const QFont &font)
{
m_action->setFont(font);
}
void SystemTrayMenuItem::setIcon(const QIcon &icon)
{
m_action->setIcon(icon);
}
void SystemTrayMenuItem::setIsSeparator(bool isSeparator)
{
m_action->setSeparator(isSeparator);
}
void SystemTrayMenuItem::setMenu(QPlatformMenu *menu)
{
if (SystemTrayMenu *ourMenu = qobject_cast<SystemTrayMenu *>(menu))
m_action->setMenu(ourMenu->menu());
}
void SystemTrayMenuItem::setRole(QPlatformMenuItem::MenuRole)
{
}
void SystemTrayMenuItem::setShortcut(const QKeySequence &shortcut)
{
m_action->setShortcut(shortcut);
}
void SystemTrayMenuItem::setTag(quintptr tag)
{
m_tag = tag;
}
void SystemTrayMenuItem::setText(const QString &text)
{
m_action->setText(text);
}
void SystemTrayMenuItem::setVisible(bool isVisible)
{
m_action->setVisible(isVisible);
}
void SystemTrayMenuItem::setIconSize(int)
{
}
quintptr SystemTrayMenuItem::tag() const
{
return m_tag;
}
QAction *SystemTrayMenuItem::action() const
{
return m_action;
}
LXQtSystemTrayIcon::LXQtSystemTrayIcon()
: QPlatformSystemTrayIcon(),
mSni(nullptr)
{
// register types
qDBusRegisterMetaType<ToolTip>();
qDBusRegisterMetaType<IconPixmap>();
qDBusRegisterMetaType<IconPixmapList>();
}
LXQtSystemTrayIcon::~LXQtSystemTrayIcon()
{
}
void LXQtSystemTrayIcon::init()
{
if (!mSni)
{
mSni = new StatusNotifierItem(QString::number(QCoreApplication::applicationPid()), this);
mSni->setTitle(QApplication::applicationDisplayName());
// default menu
QPlatformMenu *menu = createMenu();
menu->setParent(mSni);
QPlatformMenuItem *menuItem = menu->createMenuItem();
menuItem->setParent(menu);
menuItem->setText(tr("Quit"));
menuItem->setIcon(QIcon::fromTheme("application-exit"));
connect(menuItem, &QPlatformMenuItem::activated, qApp, &QApplication::quit);
menu->insertMenuItem(menuItem, nullptr);
updateMenu(menu);
connect(mSni, &StatusNotifierItem::activateRequested, [this](const QPoint &)
{
Q_EMIT activated(QPlatformSystemTrayIcon::Trigger);
});
connect(mSni, &StatusNotifierItem::secondaryActivateRequested, [this](const QPoint &)
{
Q_EMIT activated(QPlatformSystemTrayIcon::MiddleClick);
});
}
}
void LXQtSystemTrayIcon::cleanup()
{
delete mSni;
mSni = nullptr;
}
void LXQtSystemTrayIcon::updateIcon(const QIcon &icon)
{
if (!mSni)
return;
if (icon.name().isEmpty())
{
mSni->setIconByPixmap(icon);
mSni->setToolTipIconByPixmap(icon);
}
else
{
mSni->setIconByName(icon.name());
mSni->setToolTipIconByName(icon.name());
}
}
void LXQtSystemTrayIcon::updateToolTip(const QString &tooltip)
{
if (!mSni)
return;
mSni->setToolTipTitle(tooltip);
}
void LXQtSystemTrayIcon::updateMenu(QPlatformMenu *menu)
{
if (!mSni)
return;
if (SystemTrayMenu *ourMenu = qobject_cast<SystemTrayMenu*>(menu))
mSni->setContextMenu(ourMenu->menu());
}
QPlatformMenu *LXQtSystemTrayIcon::createMenu() const
{
return new SystemTrayMenu();
}
QRect LXQtSystemTrayIcon::geometry() const
{
// StatusNotifierItem doesn't provide the geometry
return QRect();
}
void LXQtSystemTrayIcon::showMessage(const QString &title, const QString &msg,
const QIcon &icon, MessageIcon, int secs)
{
if (!mSni)
return;
mSni->showMessage(title, msg, icon.name(), secs);
}
bool LXQtSystemTrayIcon::isSystemTrayAvailable() const
{
QDBusInterface systrayHost("org.kde.StatusNotifierWatcher",
"/StatusNotifierWatcher",
"org.kde.StatusNotifierWatcher");
return systrayHost.isValid() && systrayHost.property("IsStatusNotifierHostRegistered").toBool();
}
bool LXQtSystemTrayIcon::supportsMessages() const
{
return true;
}

124
src/lxqtsystemtrayicon.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://lxqt.org/
*
* Copyright: 2015 LXQt team
* Authors:
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#ifndef LXQTSYSTEMTRAYICON_H
#define LXQTSYSTEMTRAYICON_H
#include <qpa/qplatformmenu.h>
#include <qpa/qplatformsystemtrayicon.h>
#include "statusnotifieritem/statusnotifieritem.h"
class SystemTrayMenuItem;
class QAction;
class QMenu;
class SystemTrayMenu : public QPlatformMenu
{
Q_OBJECT
public:
SystemTrayMenu();
~SystemTrayMenu() Q_DECL_OVERRIDE;
void insertMenuItem(QPlatformMenuItem *menuItem, QPlatformMenuItem *before) Q_DECL_OVERRIDE;
QPlatformMenuItem *menuItemAt(int position) const Q_DECL_OVERRIDE;
QPlatformMenuItem *menuItemForTag(quintptr tag) const Q_DECL_OVERRIDE;
void removeMenuItem(QPlatformMenuItem *menuItem) Q_DECL_OVERRIDE;
void setEnabled(bool enabled) Q_DECL_OVERRIDE;
void setIcon(const QIcon &icon) Q_DECL_OVERRIDE;
void setTag(quintptr tag) Q_DECL_OVERRIDE;
void setText(const QString &text) Q_DECL_OVERRIDE;
void setVisible(bool visible) Q_DECL_OVERRIDE;
void syncMenuItem(QPlatformMenuItem *menuItem) Q_DECL_OVERRIDE;
void syncSeparatorsCollapsible(bool enable) Q_DECL_OVERRIDE;
quintptr tag() const Q_DECL_OVERRIDE;
QPlatformMenuItem *createMenuItem() const Q_DECL_OVERRIDE;
QMenu *menu() const;
private:
quintptr m_tag;
QPointer<QMenu> m_menu;
QList<SystemTrayMenuItem*> m_items;
};
class SystemTrayMenuItem : public QPlatformMenuItem
{
Q_OBJECT
public:
SystemTrayMenuItem();
~SystemTrayMenuItem() Q_DECL_OVERRIDE;
void setCheckable(bool checkable) Q_DECL_OVERRIDE;
void setChecked(bool isChecked) Q_DECL_OVERRIDE;
void setEnabled(bool enabled) Q_DECL_OVERRIDE;
void setFont(const QFont &font) Q_DECL_OVERRIDE;
void setIcon(const QIcon &icon) Q_DECL_OVERRIDE;
void setIsSeparator(bool isSeparator) Q_DECL_OVERRIDE;
void setMenu(QPlatformMenu *menu) Q_DECL_OVERRIDE;
void setRole(MenuRole role) Q_DECL_OVERRIDE;
void setShortcut(const QKeySequence &shortcut) Q_DECL_OVERRIDE;
void setTag(quintptr tag) Q_DECL_OVERRIDE;
void setText(const QString &text) Q_DECL_OVERRIDE;
void setVisible(bool isVisible) Q_DECL_OVERRIDE;
quintptr tag() const Q_DECL_OVERRIDE;
void setIconSize(int size)
#if (QT_VERSION >= QT_VERSION_CHECK(5, 4, 0))
Q_DECL_OVERRIDE
#endif
;
QAction *action() const;
private:
quintptr m_tag;
QAction *m_action;
};
class LXQtSystemTrayIcon : public QPlatformSystemTrayIcon
{
public:
LXQtSystemTrayIcon();
~LXQtSystemTrayIcon() Q_DECL_OVERRIDE;
void init() Q_DECL_OVERRIDE;
void cleanup() Q_DECL_OVERRIDE;
void updateIcon(const QIcon &icon) Q_DECL_OVERRIDE;
void updateToolTip(const QString &tooltip) Q_DECL_OVERRIDE;
void updateMenu(QPlatformMenu *menu) Q_DECL_OVERRIDE;
QRect geometry() const Q_DECL_OVERRIDE;
void showMessage(const QString &title, const QString &msg,
const QIcon &icon, MessageIcon iconType, int secs) Q_DECL_OVERRIDE;
bool isSystemTrayAvailable() const Q_DECL_OVERRIDE;
bool supportsMessages() const Q_DECL_OVERRIDE;
QPlatformMenu *createMenu() const Q_DECL_OVERRIDE;
private:
StatusNotifierItem *mSni;
};
#endif

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src/main.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://lxde.org/
*
* Copyright: 2014 LXQt team
* Authors:
* Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
// NOTE: To load the plugin, we can set environment variable QT_QPA_PLATFORMTHEME=lxqt
#include <qpa/qplatformthemeplugin.h>
#include "lxqtplatformtheme.h"
QT_BEGIN_NAMESPACE
class LXQtPlatformThemePlugin: public QPlatformThemePlugin {
Q_OBJECT
Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QPA.QPlatformThemeFactoryInterface.5.1" FILE "lxqtplatformtheme.json")
public:
QPlatformTheme *create(const QString &key, const QStringList &params);
};
QPlatformTheme *LXQtPlatformThemePlugin::create(const QString &key, const QStringList &params) {
if (!key.compare(QLatin1String("lxqt"), Qt::CaseInsensitive))
return new LXQtPlatformTheme();
return NULL;
}
QT_END_NAMESPACE
#include "main.moc"

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src/statusnotifieritem/dbustypes.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://lxqt.org
*
* Copyright: 2015 LXQt team
* Authors:
* Balázs Béla <balazsbela[at]gmail.com>
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "dbustypes.h"
// Marshall the IconPixmap data into a D-Bus argument
QDBusArgument &operator<<(QDBusArgument &argument, const IconPixmap &icon)
{
argument.beginStructure();
argument << icon.width;
argument << icon.height;
argument << icon.bytes;
argument.endStructure();
return argument;
}
// Retrieve the ImageStruct data from the D-Bus argument
const QDBusArgument &operator>>(const QDBusArgument &argument, IconPixmap &icon)
{
argument.beginStructure();
argument >> icon.width;
argument >> icon.height;
argument >> icon.bytes;
argument.endStructure();
return argument;
}
// Marshall the ToolTip data into a D-Bus argument
QDBusArgument &operator<<(QDBusArgument &argument, const ToolTip &toolTip)
{
argument.beginStructure();
argument << toolTip.iconName;
argument << toolTip.iconPixmap;
argument << toolTip.title;
argument << toolTip.description;
argument.endStructure();
return argument;
}
// Retrieve the ToolTip data from the D-Bus argument
const QDBusArgument &operator>>(const QDBusArgument &argument, ToolTip &toolTip)
{
argument.beginStructure();
argument >> toolTip.iconName;
argument >> toolTip.iconPixmap;
argument >> toolTip.title;
argument >> toolTip.description;
argument.endStructure();
return argument;
}

60
src/statusnotifieritem/dbustypes.h
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://lxqt.org
*
* Copyright: 2015 LXQt team
* Authors:
* Balázs Béla <balazsbela[at]gmail.com>
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include <QDBusArgument>
#ifndef DBUSTYPES_H
#define DBUSTYPES_H
struct IconPixmap {
int width;
int height;
QByteArray bytes;
};
typedef QList<IconPixmap> IconPixmapList;
Q_DECLARE_METATYPE(IconPixmap)
Q_DECLARE_METATYPE(IconPixmapList)
struct ToolTip {
QString iconName;
QList<IconPixmap> iconPixmap;
QString title;
QString description;
};
Q_DECLARE_METATYPE(ToolTip)
QDBusArgument &operator<<(QDBusArgument &argument, const IconPixmap &icon);
const QDBusArgument &operator>>(const QDBusArgument &argument, IconPixmap &icon);
QDBusArgument &operator<<(QDBusArgument &argument, const ToolTip &toolTip);
const QDBusArgument &operator>>(const QDBusArgument &argument, ToolTip &toolTip);
#endif // DBUSTYPES_H

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src/statusnotifieritem/org.kde.StatusNotifierItem.xml
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<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node>
<interface name="org.kde.StatusNotifierItem">
<property name="Category" type="s" access="read"/>
<property name="Id" type="s" access="read"/>
<property name="Title" type="s" access="read"/>
<property name="Status" type="s" access="read"/>
<property name="WindowId" type="i" access="read"/>
<property name="IconThemePath" type="s" access="read"/>
<property name="Menu" type="o" access="read"/>
<property name="ItemIsMenu" type="b" access="read"/>
<property name="IconName" type="s" access="read"/>
<property name="IconPixmap" type="a(iiay)" access="read">
<annotation name="org.qtproject.QtDBus.QtTypeName" value="IconPixmapList"/>
</property>
<property name="OverlayIconName" type="s" access="read"/>
<property name="OverlayIconPixmap" type="a(iiay)" access="read">
<annotation name="org.qtproject.QtDBus.QtTypeName" value="IconPixmapList"/>
</property>
<property name="AttentionIconName" type="s" access="read"/>
<property name="AttentionIconPixmap" type="a(iiay)" access="read">
<annotation name="org.qtproject.QtDBus.QtTypeName" value="IconPixmapList"/>
</property>
<property name="AttentionMovieName" type="s" access="read"/>
<property name="ToolTip" type="(sa(iiay)ss)" access="read">
<annotation name="org.qtproject.QtDBus.QtTypeName" value="ToolTip"/>
</property>
<method name="ContextMenu">
<arg name="x" type="i" direction="in"/>
<arg name="y" type="i" direction="in"/>
</method>
<method name="Activate">
<arg name="x" type="i" direction="in"/>
<arg name="y" type="i" direction="in"/>
</method>
<method name="SecondaryActivate">
<arg name="x" type="i" direction="in"/>
<arg name="y" type="i" direction="in"/>
</method>
<method name="Scroll">
<arg name="delta" type="i" direction="in"/>
<arg name="orientation" type="s" direction="in"/>
</method>
<signal name="NewTitle">
</signal>
<signal name="NewIcon">
</signal>
<signal name="NewAttentionIcon">
</signal>
<signal name="NewOverlayIcon">
</signal>
<signal name="NewToolTip">
</signal>
<signal name="NewStatus">
<arg name="status" type="s"/>
</signal>
</interface>
</node>

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src/statusnotifieritem/statusnotifieritem.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://lxqt.org/
*
* Copyright: 2015 LXQt team
* Authors:
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "statusnotifieritem.h"
#include "statusnotifieritemadaptor.h"
#include <QDBusInterface>
#include <QDBusServiceWatcher>
#include <dbusmenu-qt5/dbusmenuexporter.h>
int StatusNotifierItem::mServiceCounter = 0;
StatusNotifierItem::StatusNotifierItem(QString id, QObject *parent)
: QObject(parent),
mAdaptor(new StatusNotifierItemAdaptor(this)),
mService(QString("org.freedesktop.StatusNotifierItem-%1-%2")
.arg(QCoreApplication::applicationPid())
.arg(++mServiceCounter)),
mId(id),
mTitle("Test"),
mStatus("Active"),
mMenu(nullptr),
mMenuExporter(nullptr),
mSessionBus(QDBusConnection::connectToBus(QDBusConnection::SessionBus, mService))
{
// Separate DBus connection to the session bus is created, because QDbus does not provide
// a way to register different objects for different services with the same paths.
// For status notifiers we need different /StatusNotifierItem for each service.
// register service
mSessionBus.registerService(mService);
mSessionBus.registerObject(QLatin1String("/StatusNotifierItem"), this);
registerToHost();
// monitor the watcher service in case the host restarts
QDBusServiceWatcher *watcher = new QDBusServiceWatcher("org.kde.StatusNotifierWatcher",
mSessionBus,
QDBusServiceWatcher::WatchForOwnerChange,
this);
connect(watcher, &QDBusServiceWatcher::serviceOwnerChanged,
this, &StatusNotifierItem::onServiceOwnerChanged);
}
StatusNotifierItem::~StatusNotifierItem()
{
mSessionBus.unregisterObject(QLatin1String("/StatusNotifierItem"));
mSessionBus.unregisterService(mService);
QDBusConnection::disconnectFromBus(mService);
}
void StatusNotifierItem::registerToHost()
{
QDBusInterface interface("org.kde.StatusNotifierWatcher",
"/StatusNotifierWatcher",
"org.kde.StatusNotifierWatcher",
mSessionBus);
interface.asyncCall("RegisterStatusNotifierItem", mService);
}
void StatusNotifierItem::onServiceOwnerChanged(const QString& service, const QString& oldOwner,
const QString& newOwner)
{
Q_UNUSED(service);
Q_UNUSED(oldOwner);
if (!newOwner.isEmpty())
registerToHost();
}
void StatusNotifierItem::onMenuDestroyed()
{
mMenu = nullptr;
mMenuExporter = nullptr; //mMenu is a QObject parent of the mMenuExporter
}
void StatusNotifierItem::setTitle(const QString &title)
{
if (mTitle == title)
return;
mTitle = title;
Q_EMIT mAdaptor->NewTitle();
}
void StatusNotifierItem::setStatus(const QString &status)
{
if (mStatus == status)
return;
mStatus = status;
Q_EMIT mAdaptor->NewStatus(mStatus);
}
void StatusNotifierItem::setMenuPath(const QString& path)
{
mMenuPath.setPath(path);
}
void StatusNotifierItem::setIconByName(const QString &name)
{
if (mIconName == name)
return;
mIconName = name;
Q_EMIT mAdaptor->NewIcon();
}
void StatusNotifierItem::setIconByPixmap(const QIcon &icon)
{
if (mIconCacheKey == icon.cacheKey())
return;
mIconCacheKey = icon.cacheKey();
mIcon = iconToPixmapList(icon);
mIconName.clear();
Q_EMIT mAdaptor->NewIcon();
}
void StatusNotifierItem::setOverlayIconByName(const QString &name)
{
if (mOverlayIconName == name)
return;
mOverlayIconName = name;
Q_EMIT mAdaptor->NewOverlayIcon();
}
void StatusNotifierItem::setOverlayIconByPixmap(const QIcon &icon)
{
if (mOverlayIconCacheKey == icon.cacheKey())
return;
mOverlayIconCacheKey = icon.cacheKey();
mOverlayIcon = iconToPixmapList(icon);
mOverlayIconName.clear();
Q_EMIT mAdaptor->NewOverlayIcon();
}
void StatusNotifierItem::setAttentionIconByName(const QString &name)
{
if (mAttentionIconName == name)
return;
mAttentionIconName = name;
Q_EMIT mAdaptor->NewAttentionIcon();
}
void StatusNotifierItem::setAttentionIconByPixmap(const QIcon &icon)
{
if (mAttentionIconCacheKey == icon.cacheKey())
return;
mAttentionIconCacheKey = icon.cacheKey();
mAttentionIcon = iconToPixmapList(icon);
mAttentionIconName.clear();
Q_EMIT mAdaptor->NewAttentionIcon();
}
void StatusNotifierItem::setToolTipTitle(const QString &title)
{
if (mTooltipTitle == title)
return;
mTooltipTitle = title;
Q_EMIT mAdaptor->NewToolTip();
}
void StatusNotifierItem::setToolTipSubTitle(const QString &subTitle)
{
if (mTooltipSubtitle == subTitle)
return;
mTooltipSubtitle = subTitle;
Q_EMIT mAdaptor->NewToolTip();
}
void StatusNotifierItem::setToolTipIconByName(const QString &name)
{
if (mTooltipIconName == name)
return;
mTooltipIconName = name;
Q_EMIT mAdaptor->NewToolTip();
}
void StatusNotifierItem::setToolTipIconByPixmap(const QIcon &icon)
{
if (mTooltipIconCacheKey == icon.cacheKey())
return;
mTooltipIconCacheKey = icon.cacheKey();
mTooltipIcon = iconToPixmapList(icon);
mTooltipIconName.clear();
Q_EMIT mAdaptor->NewToolTip();
}
void StatusNotifierItem::setContextMenu(QMenu* menu)
{
if (mMenu == menu)
return;
if (nullptr != mMenu)
{
disconnect(mMenu, &QObject::destroyed, this, &StatusNotifierItem::onMenuDestroyed);
}
mMenu = menu;
setMenuPath("/MenuBar");
//Note: we need to destroy menu exporter before creating new one -> to free the DBus object path for new menu
delete mMenuExporter;
if (nullptr != mMenu)
{
connect(mMenu, &QObject::destroyed, this, &StatusNotifierItem::onMenuDestroyed);
mMenuExporter = new DBusMenuExporter{this->menu().path(), mMenu, mSessionBus};
}
}
void StatusNotifierItem::Activate(int x, int y)
{
if (mStatus == "NeedsAttention")
mStatus = "Active";
Q_EMIT activateRequested(QPoint(x, y));
}
void StatusNotifierItem::SecondaryActivate(int x, int y)
{
if (mStatus == "NeedsAttention")
mStatus = "Active";
Q_EMIT secondaryActivateRequested(QPoint(x, y));
}
void StatusNotifierItem::ContextMenu(int x, int y)
{
if (mMenu)
{
if (mMenu->isVisible())
mMenu->popup(QPoint(x, y));
else
mMenu->hide();
}
}
void StatusNotifierItem::Scroll(int delta, const QString &orientation)
{
Qt::Orientation orient = Qt::Vertical;
if (orientation.toLower() == "horizontal")
orient = Qt::Horizontal;
Q_EMIT scrollRequested(delta, orient);
}
void StatusNotifierItem::showMessage(const QString& title, const QString& msg,
const QString& iconName, int secs)
{
QDBusInterface interface("org.freedesktop.Notifications", "/org/freedesktop/Notifications",
"org.freedesktop.Notifications", mSessionBus);
interface.call("Notify", mTitle, (uint) 0, iconName, title,
msg, QStringList(), QVariantMap(), secs);
}
IconPixmapList StatusNotifierItem::iconToPixmapList(const QIcon& icon)
{
IconPixmapList pixmapList;
// long live KDE!
const QList<QSize> sizes = icon.availableSizes();
for (const QSize &size : sizes)
{
QImage image = icon.pixmap(size).toImage();
IconPixmap pix;
pix.height = image.height();
pix.width = image.width();
if (image.format() != QImage::Format_ARGB32)
image = image.convertToFormat(QImage::Format_ARGB32);
pix.bytes = QByteArray((char *) image.bits(), image.byteCount());
// swap to network byte order if we are little endian
if (QSysInfo::ByteOrder == QSysInfo::LittleEndian)
{
quint32 *uintBuf = (quint32 *) pix.bytes.data();
for (uint i = 0; i < pix.bytes.size() / sizeof(quint32); ++i)
{
*uintBuf = qToBigEndian(*uintBuf);
++uintBuf;
}
}
pixmapList.append(pix);
}
return pixmapList;
}

185
src/statusnotifieritem/statusnotifieritem.h
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@ -1,185 +0,0 @@
/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://lxqt.org/
*
* Copyright: 2015 LXQt team
* Authors:
* Paulo Lieuthier <paulolieuthier@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#ifndef STATUS_NOTIFIER_ITEM_H
#define STATUS_NOTIFIER_ITEM_H
#include <QObject>
#include <QIcon>
#include <QMenu>
#include <QDBusConnection>
#include "dbustypes.h"
class StatusNotifierItemAdaptor;
class DBusMenuExporter;
class StatusNotifierItem : public QObject
{
Q_OBJECT
Q_PROPERTY(QString Title READ title)
Q_PROPERTY(QString Id READ id)
Q_PROPERTY(QString Status READ status)
Q_PROPERTY(QDBusObjectPath Menu READ menu)
Q_PROPERTY(QString IconName READ iconName)
Q_PROPERTY(IconPixmapList IconPixmap READ iconPixmap)
Q_PROPERTY(QString OverlayIconName READ overlayIconName)
Q_PROPERTY(IconPixmapList OverlayIconPixmap READ overlayIconPixmap)
Q_PROPERTY(QString AttentionIconName READ attentionIconName)
Q_PROPERTY(IconPixmapList AttentionIconPixmap READ attentionIconPixmap)
Q_PROPERTY(ToolTip ToolTip READ toolTip)
public:
StatusNotifierItem(QString id, QObject *parent = nullptr);
~StatusNotifierItem();
QString id() const
{ return mId; }
QString title() const
{ return mTitle; }
void setTitle(const QString &title);
QString status() const
{ return mStatus; }
void setStatus(const QString &status);
QDBusObjectPath menu() const
{ return mMenuPath; }
void setMenuPath(const QString &path);
QString iconName() const
{ return mIconName; }
void setIconByName(const QString &name);
IconPixmapList iconPixmap() const
{ return mIcon; }
void setIconByPixmap(const QIcon &icon);
QString overlayIconName() const
{ return mOverlayIconName; }
void setOverlayIconByName(const QString &name);
IconPixmapList overlayIconPixmap() const
{ return mOverlayIcon; }
void setOverlayIconByPixmap(const QIcon &icon);
QString attentionIconName() const
{ return mAttentionIconName; }
void setAttentionIconByName(const QString &name);
IconPixmapList attentionIconPixmap() const
{ return mAttentionIcon; }
void setAttentionIconByPixmap(const QIcon &icon);
QString toolTipTitle() const
{ return mTooltipTitle; }
void setToolTipTitle(const QString &title);
QString toolTipSubTitle() const
{ return mTooltipSubtitle; }
void setToolTipSubTitle(const QString &subTitle);
QString toolTipIconName() const
{ return mTooltipIconName; }
void setToolTipIconByName(const QString &name);
IconPixmapList toolTipIconPixmap() const
{ return mTooltipIcon; }
void setToolTipIconByPixmap(const QIcon &icon);
ToolTip toolTip() const
{
ToolTip tt;
tt.title = mTooltipTitle;
tt.description = mTooltipSubtitle;
tt.iconName = mTooltipIconName;
tt.iconPixmap = mTooltipIcon;
return tt;
}
/*!
* \Note: we don't take ownership for the \param menu
*/
void setContextMenu(QMenu *menu);
public Q_SLOTS:
void Activate(int x, int y);
void SecondaryActivate(int x, int y);
void ContextMenu(int x, int y);
void Scroll(int delta, const QString &orientation);
void showMessage(const QString &title, const QString &msg, const QString &iconName, int secs);
private:
void registerToHost();
IconPixmapList iconToPixmapList(const QIcon &icon);
private Q_SLOTS:
void onServiceOwnerChanged(const QString &service, const QString &oldOwner,
const QString &newOwner);
void onMenuDestroyed();
Q_SIGNALS:
void activateRequested(const QPoint &pos);
void secondaryActivateRequested(const QPoint &pos);
void scrollRequested(int delta, Qt::Orientation orientation);
private:
StatusNotifierItemAdaptor *mAdaptor;
QString mService;
QString mId;
QString mTitle;
QString mStatus;
// icons
QString mIconName, mOverlayIconName, mAttentionIconName;
IconPixmapList mIcon, mOverlayIcon, mAttentionIcon;
qint64 mIconCacheKey, mOverlayIconCacheKey, mAttentionIconCacheKey;
// tooltip
QString mTooltipTitle, mTooltipSubtitle, mTooltipIconName;
IconPixmapList mTooltipIcon;
qint64 mTooltipIconCacheKey;
// menu
QMenu *mMenu;
QDBusObjectPath mMenuPath;
DBusMenuExporter *mMenuExporter;
QDBusConnection mSessionBus;
static int mServiceCounter;
};
#endif
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