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Code Issues Activity Actions

ProcessManager: Add CPU/memory usage graphs in a separate tab.

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Finally we get some real use for the new GTabWidget. :^)
This commit is contained in:
Andreas Kling 2019-05-06 03:21:23 +02:00
parent 6df3df62be
commit 25bb7a59ac
10 changed files with 140 additions and 19 deletions
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49
Applications/ProcessManager/main.cpp
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@ -5,6 +5,7 @@
#include <LibGUI/GApplication.h>
#include <LibGUI/GToolBar.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GGroupBox.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GTabWidget.h>
#include <LibGUI/GLabel.h>
@ -13,6 +14,7 @@
#include <signal.h>
#include "ProcessTableView.h"
#include "MemoryStatsWidget.h"
#include "GraphWidget.h"
int main(int argc, char** argv)
{
@ -28,21 +30,45 @@ int main(int argc, char** argv)
auto* widget = new GWidget(nullptr);
tabwidget->add_widget("Processes", widget);
auto* placeholder_label = new GLabel("Placeholder text");
placeholder_label->set_fill_with_background_color(true);
placeholder_label->set_background_color(Color::LightGray);
tabwidget->add_widget("Placeholder", placeholder_label);
auto* placeholder2_label = new GLabel("Placeholder2 text");
placeholder2_label->set_fill_with_background_color(true);
placeholder2_label->set_background_color(Color::LightGray);
tabwidget->add_widget("Another", placeholder2_label);
auto* graphs_container = new GWidget;
graphs_container->set_fill_with_background_color(true);
graphs_container->set_background_color(Color::LightGray);
graphs_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
graphs_container->layout()->set_margins({ 4, 4, 4, 4 });
graphs_container->layout()->set_spacing(4);
auto* cpu_graph_group_box = new GGroupBox("CPU usage", graphs_container);
cpu_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
cpu_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
cpu_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
cpu_graph_group_box->set_preferred_size({ 0, 120 });
auto* cpu_graph = new GraphWidget(cpu_graph_group_box);
cpu_graph->set_max(100);
cpu_graph->set_text_color(Color::Green);
cpu_graph->set_graph_color(Color::from_rgb(0x00bb00));
cpu_graph->text_formatter = [] (int value, int) {
return String::format("%d%%", value);
};
auto* memory_graph_group_box = new GGroupBox("Memory usage", graphs_container);
memory_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
memory_graph_group_box->layout()->set_margins({ 4, 16, 4, 4 });
tabwidget->add_widget("Graphs", graphs_container);
memory_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
memory_graph_group_box->set_preferred_size({ 0, 120 });
auto* memory_graph = new GraphWidget(memory_graph_group_box);
memory_graph->set_text_color(Color::Cyan);
memory_graph->set_graph_color(Color::from_rgb(0x00bbbb));
memory_graph->text_formatter = [] (int value, int max) {
return String::format("%d / %d KB", value, max);
};
widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
auto* toolbar = new GToolBar(widget);
auto* process_table_view = new ProcessTableView(widget);
auto* memory_stats_widget = new MemoryStatsWidget(widget);
auto* process_table_view = new ProcessTableView(*cpu_graph, widget);
auto* memory_stats_widget = new MemoryStatsWidget(*memory_graph, widget);
auto* refresh_timer = new CTimer(1000, [&] {
process_table_view->refresh();
@ -86,6 +112,9 @@ int main(int argc, char** argv)
menubar->add_menu(move(process_menu));
auto frequency_menu = make<GMenu>("Frequency");
frequency_menu->add_action(GAction::create("0.25 sec", [refresh_timer] (auto&) {
refresh_timer->restart(250);
}));
frequency_menu->add_action(GAction::create("0.5 sec", [refresh_timer] (auto&) {
refresh_timer->restart(500);
}));