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Code Issues Activity Actions

ProcessManager: Add a process-specific tab view below the process table.

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To start out, add a "Stacks" view where we see what the selected process is
currently doing (via /proc/PID/stack) :^)
This commit is contained in:
Andreas Kling 2019-07-27 09:39:43 +02:00
parent c452528952
commit 9b7e1eb287
4 changed files with 73 additions and 1 deletions
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38
Applications/ProcessManager/ProcessStacksWidget.cpp Normal file
View file

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#include "ProcessStacksWidget.h"
#include <LibCore/CFile.h>
#include <LibCore/CTimer.h>
#include <LibGUI/GBoxLayout.h>
ProcessStacksWidget::ProcessStacksWidget(GWidget* parent)
: GWidget(parent)
{
set_layout(make<GBoxLayout>(Orientation::Vertical));
layout()->set_margins({ 4, 4, 4, 4 });
m_stacks_editor = new GTextEditor(GTextEditor::Type::MultiLine, this);
m_stacks_editor->set_readonly(true);
m_timer = new CTimer(1000, [this] { refresh(); });
}
ProcessStacksWidget::~ProcessStacksWidget()
{
}
void ProcessStacksWidget::set_pid(pid_t pid)
{
if (m_pid == pid)
return;
m_pid = pid;
refresh();
}
void ProcessStacksWidget::refresh()
{
CFile file(String::format("/proc/%d/stack", m_pid));
if (!file.open(CIODevice::ReadOnly)) {
m_stacks_editor->set_text(String::format("Unable to open %s", file.filename().characters()));
return;
}
m_stacks_editor->set_text(file.read_all());
}