mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-05 07:29:49 +00:00
028c011760
Since the returned object is now owned by the callee object, we can simply vend a ChildType&. This allows us to use "." instead of "->" at the call site, which is quite nice. :^)
99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* 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 "ProcessStateWidget.h"
|
|
#include <LibCore/ProcessStatisticsReader.h>
|
|
#include <LibCore/Timer.h>
|
|
#include <LibGUI/BoxLayout.h>
|
|
#include <LibGUI/Label.h>
|
|
#include <LibGfx/Font.h>
|
|
#include <unistd.h>
|
|
|
|
ProcessStateWidget::ProcessStateWidget()
|
|
{
|
|
set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
|
|
set_preferred_size(0, 20);
|
|
set_visible(false);
|
|
|
|
set_layout<GUI::HorizontalBoxLayout>();
|
|
|
|
auto& pid_label_label = add<GUI::Label>("Process:");
|
|
pid_label_label.set_font(Gfx::Font::default_bold_font());
|
|
m_pid_label = add<GUI::Label>("");
|
|
|
|
auto& state_label_label = add<GUI::Label>("State:");
|
|
state_label_label.set_font(Gfx::Font::default_bold_font());
|
|
m_state_label = add<GUI::Label>("");
|
|
|
|
// FIXME: This should show CPU% instead.
|
|
auto& cpu_label_label = add<GUI::Label>("Times scheduled:");
|
|
cpu_label_label.set_font(Gfx::Font::default_bold_font());
|
|
m_cpu_label = add<GUI::Label>("");
|
|
|
|
auto& memory_label_label = add<GUI::Label>("Memory (resident):");
|
|
memory_label_label.set_font(Gfx::Font::default_bold_font());
|
|
m_memory_label = add<GUI::Label>("");
|
|
|
|
m_timer = add<Core::Timer>(500, [this] {
|
|
refresh();
|
|
});
|
|
}
|
|
|
|
ProcessStateWidget::~ProcessStateWidget()
|
|
{
|
|
}
|
|
|
|
void ProcessStateWidget::refresh()
|
|
{
|
|
pid_t pid = tcgetpgrp(m_tty_fd);
|
|
|
|
auto processes = Core::ProcessStatisticsReader::get_all();
|
|
auto child_process_data = processes.get(pid);
|
|
|
|
if (!child_process_data.has_value())
|
|
return;
|
|
|
|
auto active_process_data = processes.get(child_process_data.value().pgid);
|
|
|
|
auto& data = active_process_data.value();
|
|
|
|
m_pid_label->set_text(String::format("%s(%d)", data.name.characters(), pid));
|
|
m_state_label->set_text(data.threads.first().state);
|
|
m_cpu_label->set_text(String::format("%d", data.threads.first().times_scheduled));
|
|
m_memory_label->set_text(String::format("%d", data.amount_resident));
|
|
}
|
|
|
|
void ProcessStateWidget::set_tty_fd(int tty_fd)
|
|
{
|
|
m_tty_fd = tty_fd;
|
|
if (m_tty_fd == -1) {
|
|
set_visible(false);
|
|
return;
|
|
}
|
|
set_visible(true);
|
|
refresh();
|
|
}
|