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SystemMonitor: Make all tabs except the process table lazily loaded

Browse source 
We now use GLazyWidget for all the secondary tabs, which makes the
program start up way faster than before.

There's a noticeable delay when you click on the "PCI Devices" tab
for the first time, but that's definitely better than always eating
that delay before seeing a window at all. :^)
This commit is contained in:
Andreas Kling 2019-10-02 20:26:19 +02:00
parent 183f7c9830
commit 9da121f837
9 changed files with 253 additions and 201 deletions
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98
Applications/SystemMonitor/NetworkStatisticsWidget.cpp
View file

@ -5,63 +5,65 @@
#include <LibGUI/GTableView.h>
NetworkStatisticsWidget::NetworkStatisticsWidget(GWidget* parent)
: GWidget(parent)
: GLazyWidget(parent)
{
set_layout(make<GBoxLayout>(Orientation::Vertical));
layout()->set_margins({ 4, 4, 4, 4 });
set_fill_with_background_color(true);
set_background_color(Color::WarmGray);
on_first_show = [this](auto&) {
set_layout(make<GBoxLayout>(Orientation::Vertical));
layout()->set_margins({ 4, 4, 4, 4 });
set_fill_with_background_color(true);
set_background_color(Color::WarmGray);
auto adapters_group_box = GGroupBox::construct("Adapters", this);
adapters_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
adapters_group_box->layout()->set_margins({ 6, 16, 6, 6 });
adapters_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
adapters_group_box->set_preferred_size(0, 120);
auto adapters_group_box = GGroupBox::construct("Adapters", this);
adapters_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
adapters_group_box->layout()->set_margins({ 6, 16, 6, 6 });
adapters_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
adapters_group_box->set_preferred_size(0, 120);
m_adapter_table_view = GTableView::construct(adapters_group_box);
m_adapter_table_view->set_size_columns_to_fit_content(true);
m_adapter_table_view = GTableView::construct(adapters_group_box);
m_adapter_table_view->set_size_columns_to_fit_content(true);
Vector<GJsonArrayModel::FieldSpec> net_adapters_fields;
net_adapters_fields.empend("name", "Name", TextAlignment::CenterLeft);
net_adapters_fields.empend("class_name", "Class", TextAlignment::CenterLeft);
net_adapters_fields.empend("mac_address", "MAC", TextAlignment::CenterLeft);
net_adapters_fields.empend("ipv4_address", "IPv4", TextAlignment::CenterLeft);
net_adapters_fields.empend("packets_in", "Pkt In", TextAlignment::CenterRight);
net_adapters_fields.empend("packets_out", "Pkt Out", TextAlignment::CenterRight);
net_adapters_fields.empend("bytes_in", "Bytes In", TextAlignment::CenterRight);
net_adapters_fields.empend("bytes_out", "Bytes Out", TextAlignment::CenterRight);
m_adapter_table_view->set_model(GJsonArrayModel::create("/proc/net/adapters", move(net_adapters_fields)));
Vector<GJsonArrayModel::FieldSpec> net_adapters_fields;
net_adapters_fields.empend("name", "Name", TextAlignment::CenterLeft);
net_adapters_fields.empend("class_name", "Class", TextAlignment::CenterLeft);
net_adapters_fields.empend("mac_address", "MAC", TextAlignment::CenterLeft);
net_adapters_fields.empend("ipv4_address", "IPv4", TextAlignment::CenterLeft);
net_adapters_fields.empend("packets_in", "Pkt In", TextAlignment::CenterRight);
net_adapters_fields.empend("packets_out", "Pkt Out", TextAlignment::CenterRight);
net_adapters_fields.empend("bytes_in", "Bytes In", TextAlignment::CenterRight);
net_adapters_fields.empend("bytes_out", "Bytes Out", TextAlignment::CenterRight);
m_adapter_table_view->set_model(GJsonArrayModel::create("/proc/net/adapters", move(net_adapters_fields)));
auto sockets_group_box = GGroupBox::construct("Sockets", this);
sockets_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
sockets_group_box->layout()->set_margins({ 6, 16, 6, 6 });
sockets_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fill);
sockets_group_box->set_preferred_size(0, 0);
auto sockets_group_box = GGroupBox::construct("Sockets", this);
sockets_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
sockets_group_box->layout()->set_margins({ 6, 16, 6, 6 });
sockets_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fill);
sockets_group_box->set_preferred_size(0, 0);
m_socket_table_view = GTableView::construct(sockets_group_box);
m_socket_table_view->set_size_columns_to_fit_content(true);
m_socket_table_view = GTableView::construct(sockets_group_box);
m_socket_table_view->set_size_columns_to_fit_content(true);
Vector<GJsonArrayModel::FieldSpec> net_tcp_fields;
net_tcp_fields.empend("peer_address", "Peer", TextAlignment::CenterLeft);
net_tcp_fields.empend("peer_port", "Port", TextAlignment::CenterRight);
net_tcp_fields.empend("local_address", "Local", TextAlignment::CenterLeft);
net_tcp_fields.empend("local_port", "Port", TextAlignment::CenterRight);
net_tcp_fields.empend("state", "State", TextAlignment::CenterLeft);
net_tcp_fields.empend("ack_number", "Ack#", TextAlignment::CenterRight);
net_tcp_fields.empend("sequence_number", "Seq#", TextAlignment::CenterRight);
net_tcp_fields.empend("packets_in", "Pkt In", TextAlignment::CenterRight);
net_tcp_fields.empend("packets_out", "Pkt Out", TextAlignment::CenterRight);
net_tcp_fields.empend("bytes_in", "Bytes In", TextAlignment::CenterRight);
net_tcp_fields.empend("bytes_out", "Bytes Out", TextAlignment::CenterRight);
m_socket_table_view->set_model(GJsonArrayModel::create("/proc/net/tcp", move(net_tcp_fields)));
Vector<GJsonArrayModel::FieldSpec> net_tcp_fields;
net_tcp_fields.empend("peer_address", "Peer", TextAlignment::CenterLeft);
net_tcp_fields.empend("peer_port", "Port", TextAlignment::CenterRight);
net_tcp_fields.empend("local_address", "Local", TextAlignment::CenterLeft);
net_tcp_fields.empend("local_port", "Port", TextAlignment::CenterRight);
net_tcp_fields.empend("state", "State", TextAlignment::CenterLeft);
net_tcp_fields.empend("ack_number", "Ack#", TextAlignment::CenterRight);
net_tcp_fields.empend("sequence_number", "Seq#", TextAlignment::CenterRight);
net_tcp_fields.empend("packets_in", "Pkt In", TextAlignment::CenterRight);
net_tcp_fields.empend("packets_out", "Pkt Out", TextAlignment::CenterRight);
net_tcp_fields.empend("bytes_in", "Bytes In", TextAlignment::CenterRight);
net_tcp_fields.empend("bytes_out", "Bytes Out", TextAlignment::CenterRight);
m_socket_table_view->set_model(GJsonArrayModel::create("/proc/net/tcp", move(net_tcp_fields)));
m_update_timer = CTimer::construct(
1000, [this] {
update_models();
},
this);
m_update_timer = CTimer::construct(
1000, [this] {
update_models();
},
this);
update_models();
update_models();
};
}
NetworkStatisticsWidget::~NetworkStatisticsWidget()