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ProcessManager: Add "File systems" tab with info on mounted filesystems

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This was rather nice and easy to add with the new GJsonArrayModel! :^)
This commit is contained in:
Andreas Kling 2019-08-11 10:11:21 +02:00
parent c246f2db4a
commit b07a315736
Notes: sideshowbarker 2024-07-19 12:45:29 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/b07a3157366
1 changed files with 52 additions and 0 deletions
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52
Applications/ProcessManager/main.cpp
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@ -11,6 +11,7 @@
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GGroupBox.h>
#include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GSplitter.h>
@ -22,6 +23,19 @@
#include <stdio.h>
#include <unistd.h>
static String human_readable_size(u32 size)
{
if (size < (64 * KB))
return String::format("%u", size);
if (size < MB)
return String::format("%u KB", size / KB);
if (size < GB)
return String::format("%u MB", size / MB);
return String::format("%u GB", size / GB);
}
static GWidget* build_file_systems_tab();
int main(int argc, char** argv)
{
GApplication app(argc, argv);
@ -72,6 +86,8 @@ int main(int argc, char** argv)
tabwidget->add_widget("Graphs", graphs_container);
tabwidget->add_widget("File systems", build_file_systems_tab());
auto* network_stats_widget = new NetworkStatisticsWidget(nullptr);
tabwidget->add_widget("Network", network_stats_widget);
@ -188,3 +204,39 @@ int main(int argc, char** argv)
return app.exec();
}
GWidget* build_file_systems_tab()
{
auto* fs_widget = new GWidget(nullptr);
fs_widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
fs_widget->layout()->set_margins({ 4, 4, 4, 4 });
auto* fs_table_view = new GTableView(fs_widget);
fs_table_view->set_size_columns_to_fit_content(true);
Vector<GJsonArrayModel::FieldSpec> df_fields;
df_fields.empend("mount_point", "Mount point", TextAlignment::CenterLeft);
df_fields.empend("class_name", "Class", TextAlignment::CenterLeft);
df_fields.empend("Size", TextAlignment::CenterRight, [](const JsonObject& object) {
return human_readable_size(object.get("total_block_count").to_u32() * object.get("block_size").to_u32());
});
df_fields.empend("Used", TextAlignment::CenterRight, [](const JsonObject& object) {
auto total_blocks = object.get("total_block_count").to_u32();
auto free_blocks = object.get("free_block_count").to_u32();
auto used_blocks = total_blocks - free_blocks;
return human_readable_size(used_blocks * object.get("block_size").to_u32());
});
df_fields.empend("Available", TextAlignment::CenterRight, [](const JsonObject& object) {
return human_readable_size(object.get("free_block_count").to_u32() * object.get("block_size").to_u32());
});
df_fields.empend("Access", TextAlignment::CenterLeft, [](const JsonObject& object) {
return object.get("readonly").to_bool() ? "Read-only" : "Read/Write";
});
df_fields.empend("free_block_count", "Free blocks", TextAlignment::CenterRight);
df_fields.empend("total_block_count", "Total blocks", TextAlignment::CenterRight);
df_fields.empend("free_inode_count", "Free inodes", TextAlignment::CenterRight);
df_fields.empend("total_inode_count", "Total inodes", TextAlignment::CenterRight);
df_fields.empend("block_size", "Block size", TextAlignment::CenterRight);
fs_table_view->set_model(GJsonArrayModel::create("/proc/df", move(df_fields)));
fs_table_view->model()->update();
return fs_widget;
}