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Code Issues Projects Releases Packages Wiki Activity Actions 8

SystemMonitor: Paint the "used" disk space column as a progress bar

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This needs to be applied consistently in the rest of this UI, but here
is a start. I can't figure out what the right look should be right now
so I'm just gonna commit it this way and we'll work it out later. :^)
This commit is contained in:
Andreas Kling 2019-08-14 20:38:18 +02:00
parent 9789ee9b58
commit e0395d5ebe
Notes: sideshowbarker 2024-07-19 12:40:50 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/e0395d5ebef
1 changed files with 31 additions and 0 deletions
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31
Applications/SystemMonitor/main.cpp
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@ -14,6 +14,7 @@
#include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GSortingProxyModel.h>
#include <LibGUI/GSplitter.h>
#include <LibGUI/GTabWidget.h>
@ -210,6 +211,24 @@ int main(int argc, char** argv)
return app.exec();
}
class ProgressBarPaintingDelegate final : public GTableCellPaintingDelegate {
public:
virtual ~ProgressBarPaintingDelegate() override {}
virtual void paint(GPainter& painter, const Rect& a_rect, const GModel& model, const GModelIndex& index) override
{
auto rect = a_rect.shrunken(2, 2);
auto percentage = model.data(index, GModel::Role::Custom).to_int();
auto data = model.data(index, GModel::Role::Display);
String text;
if (data.is_string())
text = data.as_string();
StylePainter::paint_progress_bar(painter, rect, 0, 100, percentage, text);
painter.draw_rect(rect, Color::Black);
}
};
GWidget* build_file_systems_tab()
{
auto* fs_widget = new GWidget(nullptr);
@ -241,6 +260,15 @@ GWidget* build_file_systems_tab()
auto free_blocks = object.get("free_block_count").to_u32();
auto used_blocks = total_blocks - free_blocks;
return used_blocks * object.get("block_size").to_u32();
},
[](const JsonObject& object) {
auto total_blocks = object.get("total_block_count").to_u32();
if (total_blocks == 0)
return 0;
auto free_blocks = object.get("free_block_count").to_u32();
auto used_blocks = total_blocks - free_blocks;
int percentage = (int)((float)used_blocks / (float)total_blocks * 100.0f);
return percentage;
});
df_fields.empend(
"Available", TextAlignment::CenterRight,
@ -259,6 +287,9 @@ GWidget* build_file_systems_tab()
df_fields.empend("total_inode_count", "Total inodes", TextAlignment::CenterRight);
df_fields.empend("block_size", "Block size", TextAlignment::CenterRight);
fs_table_view->set_model(GSortingProxyModel::create(GJsonArrayModel::create("/proc/df", move(df_fields))));
fs_table_view->set_cell_painting_delegate(3, make<ProgressBarPaintingDelegate>());
fs_table_view->model()->update();
return fs_widget;
}