MenuApplets: Add UserName applet.

Move code from WindowServer.WSMenuManager to the applet.

Kernel/build-root-filesystem.sh

@@ -152,6 +152,7 @@ cp ../Shell/Shell mnt/bin/Shell
 cp ../MenuApplets/Audio/Audio.MenuApplet mnt/bin/
 cp ../MenuApplets/CPUGraph/CPUGraph.MenuApplet mnt/bin/
 cp ../MenuApplets/Clock/Clock.MenuApplet mnt/bin/
+cp ../MenuApplets/UserName/UserName.MenuApplet mnt/bin
 echo "done"
 
 printf "installing dynamic libraries... "

MenuApplets/UserName/.gitignore

@@ -0,0 +1 @@
+UserName.MenuApplet

MenuApplets/UserName/Makefile

@@ -0,0 +1,7 @@
+OBJS = main.o
+
+PROGRAM = UserName.MenuApplet
+
+LIB_DEPS = GUI IPC Gfx Core
+
+include ../../Makefile.common

MenuApplets/UserName/main.cpp

@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2020-2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibGUI/Application.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/Widget.h>
+#include <LibGUI/Window.h>
+#include <LibGfx/Palette.h>
+#include <stdio.h>
+
+class UserNameWidget final : public GUI::Widget {
+    C_OBJECT(UserNameWidget)
+public:
+    UserNameWidget()
+        : GUI::Widget(nullptr)
+    {
+        m_username = getlogin();
+        m_username_width = Gfx::Font::default_bold_font().width(m_username);
+    }
+
+    virtual ~UserNameWidget() override {}
+
+    int get_width()
+    {
+        return m_username_width + menubar_menu_margin();
+    }
+
+private:
+    static int menubar_menu_margin() { return 4; }
+
+    virtual void paint_event(GUI::PaintEvent& event) override
+    {
+        GUI::Painter painter(*this);
+        painter.fill_rect(event.rect(), palette().window());
+        painter.draw_text(event.rect(), m_username, Gfx::Font::default_bold_font(), Gfx::TextAlignment::Center, palette().window_text());
+    }
+
+    String m_username;
+    int m_username_width;
+};
+
+int main(int argc, char** argv)
+{
+    if (pledge("stdio shared_buffer rpath cpath unix fattr", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    if (unveil("/res", "r") < 0) {
+        perror("unveil");
+        return 1;
+    }
+
+    if (unveil("/tmp", "rwc") < 0) {
+        perror("unveil");
+        return 1;
+    }
+
+    if (unveil("/etc/passwd", "r") < 0) {
+        perror("unveil");
+        return 1;
+    }
+
+    unveil(nullptr, nullptr);
+
+    GUI::Application app(argc, argv);
+
+    auto window = GUI::Window::construct();
+    window->set_window_type(GUI::WindowType::MenuApplet);
+
+    auto widget = UserNameWidget::construct();
+
+    window->resize(widget->get_width(), 16);
+    window->set_main_widget(widget);
+    window->show();
+
+    if (pledge("stdio shared_buffer rpath", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    return app.exec();
+}