只是想补充一点,对于任何使用 Qt 并试图在 Ubuntu 13+ 中显示应用程序指示器的人,因为其他人提到 sni-qt 不起作用,我能够使用上面的回复来制作一个可以工作的 Qt 应用程序,仍然尝试让图标更改并显示弹出消息,但这是一个很好的开始,一旦我让图标和消息正常工作,我可能会将其发布在我的网站Voidrealms.com上:
一定要做sudo apt-get install libappindicator-dev
创建一个包含 QDialog 的新项目并进行如下修改:
轮廓:
#-------------------------------------------------
#
# Project created by QtCreator 2014-03-28T20:34:54
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = PluginServiceGUI
TEMPLATE = app
# includes for the libappindicator
# /usr/lib/x86_64-linux-gnu libglib-2.0.a
INCLUDEPATH += "/usr/include/libappindicator-0.1"
INCLUDEPATH += "/usr/include/gtk-2.0"
INCLUDEPATH += "/usr/include/glib-2.0"
INCLUDEPATH += "/usr/lib/x86_64-linux-gnu/glib-2.0/include"
INCLUDEPATH += "/usr/include/cairo"
INCLUDEPATH += "/usr/include/pango-1.0"
INCLUDEPATH += "/usr/lib/x86_64-linux-gnu/gtk-2.0/include"
INCLUDEPATH += "/usr/include/gdk-pixbuf-2.0"
INCLUDEPATH += "/usr/include/atk-1.0"
LIBS += -L/usr/lib/x86_64-linux-gnu -lgobject-2.0
LIBS += -L/usr/lib/x86_64-linux-gnu -lappindicator
LIBS += -L/usr/lib/x86_64-linux-gnu -lgtk-x11-2.0
#These seem to not be needed
#LIBS += -L/usr/lib/x86_64-linux-gnu -lcairo
#LIBS += -L/usr/lib/x86_64-linux-gnu -lpango-1.0
#LIBS += -L/usr/lib/x86_64-linux-gnu -lglib-2.0
# end incudes for libappindicator
SOURCES += main.cpp\
dialog.cpp
HEADERS += dialog.h
FORMS += dialog.ui
RESOURCES += \
resources.qrc
在 main.cpp
#include "dialog.h"
#include <QApplication>
#include <QtGui>
#include <QSystemTrayIcon>
#include <QMessageBox>
#include <QSystemTrayIcon>
#include <QMenu>
// http://stackoverflow.com/questions/17193307/qt-systray-icon-appears-next-to-launcher-on-ubuntu-instead-of-on-the-panel
// requires libappindicator-dev
// sudo apt-get install libappindicator-dev
// installs the headers in: /usr/include/libappindicator-0.1/libappindicator
#undef signals
extern "C" {
#include <libappindicator/app-indicator.h>
#include <gtk/gtk.h>
void quitIndicator(GtkMenu *, gpointer);
}
#define signals public
void quitIndicator(GtkMenu *menu, gpointer data) {
Q_UNUSED(menu);
QApplication *self = static_cast<QApplication *>(data);
self->quit();
}
void ShowUnityAppIndicator()
{
AppIndicator *indicator;
GtkWidget *menu, *item;
menu = gtk_menu_new();
item = gtk_menu_item_new_with_label("Quit");
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
g_signal_connect(item, "activate",
G_CALLBACK(quitIndicator), qApp); // We cannot connect
// gtk signal and qt slot so we need to create proxy
// function later on, we pass qApp pointer as an argument.
// This is useful when we need to call signals on "this"
//object so external function can access current object
gtk_widget_show(item);
indicator = app_indicator_new(
"unique-application-name",
"indicator-messages",
APP_INDICATOR_CATEGORY_APPLICATION_STATUS
);
app_indicator_set_status(indicator, APP_INDICATOR_STATUS_ACTIVE);
app_indicator_set_menu(indicator, GTK_MENU(menu));
}
void ShowQtSysTray(QApplication* app, QDialog* dialog)
{
Q_INIT_RESOURCE(resources);
if (!QSystemTrayIcon::isSystemTrayAvailable()) {
QMessageBox::critical(0, QObject::tr("Systray"),
QObject::tr("I couldn't detect any system tray "
"on this system."));
}
QApplication::setQuitOnLastWindowClosed(false);
QSystemTrayIcon* trayIcon = new QSystemTrayIcon(dialog);
QAction* Action = new QAction("hello", dialog);
QMenu* trayIconMenu = new QMenu(dialog);
trayIconMenu->addAction("Quit", app, SLOT(quit()));
trayIconMenu->addAction(Action);
trayIcon->setContextMenu(trayIconMenu);
trayIcon->setIcon(QIcon (":/icons/Icons/accept.png"));
trayIcon->show();
trayIcon->showMessage("Title","Message");
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Dialog w;
//Determine the desktop type
QString desktop;
bool is_unity;
desktop = getenv("XDG_CURRENT_DESKTOP");
is_unity = (desktop.toLower() == "unity");
if(is_unity)
{
ShowUnityAppIndicator();
}
else
{
//Show the SystemTrayIcon the Qt way
ShowQtSysTray(&a, &w);
}
// w.show();
return a.exec();
}