ladybird/Applications/SystemMonitor/ProcessMemoryMapWidget.cpp

#include "ProcessMemoryMapWidget.h"
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GTableView.h>

ProcessMemoryMapWidget::ProcessMemoryMapWidget(GWidget* parent)
    : GWidget(parent)
{
    set_layout(make<GBoxLayout>(Orientation::Vertical));
    layout()->set_margins({ 4, 4, 4, 4 });
    m_table_view = GTableView::construct(this);
    m_table_view->set_size_columns_to_fit_content(true);
    Vector<GJsonArrayModel::FieldSpec> pid_vm_fields;
    pid_vm_fields.empend("Address", TextAlignment::CenterLeft, [](auto& object) {
        return String::format("%#x", object.get("address").to_u32());
    });
    pid_vm_fields.empend("size", "Size", TextAlignment::CenterRight);
    pid_vm_fields.empend("amount_resident", "Resident", TextAlignment::CenterRight);
    pid_vm_fields.empend("Access", TextAlignment::CenterLeft, [](auto& object) {
        StringBuilder builder;
        if (object.get("readable").to_bool())
            builder.append('R');
        if (object.get("writable").to_bool())
            builder.append('W');
        return builder.to_string();
    });
    pid_vm_fields.empend("name", "Name", TextAlignment::CenterLeft);
    m_table_view->set_model(GJsonArrayModel::create({}, move(pid_vm_fields)));
}

ProcessMemoryMapWidget::~ProcessMemoryMapWidget()
{
}

void ProcessMemoryMapWidget::set_pid(pid_t pid)
{
    if (m_pid == pid)
        return;
    m_pid = pid;
    static_cast<GJsonArrayModel*>(m_table_view->model())->set_json_path(String::format("/proc/%d/vm", pid));
}