summaryrefslogtreecommitdiff
path: root/Applications/ProcessManager/main.cpp
blob: 36c15bb753ac77db0e7bae454c238ea89b60798b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
#include "GraphWidget.h"
#include "MemoryStatsWidget.h"
#include "ProcessMemoryMapWidget.h"
#include "ProcessStacksWidget.h"
#include "ProcessTableView.h"
#include <LibCore/CTimer.h>
#include <LibDraw/PNGLoader.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GGroupBox.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GSplitter.h>
#include <LibGUI/GTabWidget.h>
#include <LibGUI/GToolBar.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GWindow.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>

int main(int argc, char** argv)
{
    GApplication app(argc, argv);

    auto* keeper = new GWidget;
    keeper->set_layout(make<GBoxLayout>(Orientation::Vertical));
    keeper->set_fill_with_background_color(true);
    keeper->set_background_color(Color::WarmGray);
    keeper->layout()->set_margins({ 4, 4, 4, 4 });

    auto* tabwidget = new GTabWidget(keeper);

    auto* process_container_splitter = new GSplitter(Orientation::Vertical, nullptr);
    tabwidget->add_widget("Processes", process_container_splitter);

    auto* process_table_container = new GWidget(process_container_splitter);

    auto* graphs_container = new GWidget;
    graphs_container->set_fill_with_background_color(true);
    graphs_container->set_background_color(Color::WarmGray);
    graphs_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
    graphs_container->layout()->set_margins({ 4, 4, 4, 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({ 6, 16, 6, 6 });
    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);
    };

    tabwidget->add_widget("Graphs", graphs_container);

    process_table_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
    process_table_container->layout()->set_margins({ 4, 0, 4, 4 });
    process_table_container->layout()->set_spacing(0);

    auto* toolbar = new GToolBar(process_table_container);
    toolbar->set_has_frame(false);
    auto* process_table_view = new ProcessTableView(*cpu_graph, process_table_container);
    auto* memory_stats_widget = new MemoryStatsWidget(*memory_graph, graphs_container);

    auto* refresh_timer = new CTimer(1000, [&] {
        process_table_view->refresh();
        memory_stats_widget->refresh();
    });

    auto kill_action = GAction::create("Kill process", GraphicsBitmap::load_from_file("/res/icons/kill16.png"), [process_table_view](const GAction&) {
        pid_t pid = process_table_view->selected_pid();
        if (pid != -1)
            kill(pid, SIGKILL);
    });

    auto stop_action = GAction::create("Stop process", GraphicsBitmap::load_from_file("/res/icons/stop16.png"), [process_table_view](const GAction&) {
        pid_t pid = process_table_view->selected_pid();
        if (pid != -1)
            kill(pid, SIGSTOP);
    });

    auto continue_action = GAction::create("Continue process", GraphicsBitmap::load_from_file("/res/icons/continue16.png"), [process_table_view](const GAction&) {
        pid_t pid = process_table_view->selected_pid();
        if (pid != -1)
            kill(pid, SIGCONT);
    });

    toolbar->add_action(kill_action);
    toolbar->add_action(stop_action);
    toolbar->add_action(continue_action);

    auto menubar = make<GMenuBar>();
    auto app_menu = make<GMenu>("Process Manager");
    app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [](const GAction&) {
        GApplication::the().quit(0);
        return;
    }));
    menubar->add_menu(move(app_menu));

    auto process_menu = make<GMenu>("Process");
    process_menu->add_action(kill_action);
    process_menu->add_action(stop_action);
    process_menu->add_action(continue_action);
    menubar->add_menu(move(process_menu));

    auto process_context_menu = make<GMenu>("Process context menu");
    process_context_menu->add_action(kill_action);
    process_context_menu->add_action(stop_action);
    process_context_menu->add_action(continue_action);
    process_table_view->on_context_menu_request = [&](const GModelIndex& index, const GContextMenuEvent& event) {
        (void)index;
        process_context_menu->popup(event.screen_position());
    };

    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);
    }));
    frequency_menu->add_action(GAction::create("1 sec", [refresh_timer](auto&) {
        refresh_timer->restart(1000);
    }));
    frequency_menu->add_action(GAction::create("3 sec", [refresh_timer](auto&) {
        refresh_timer->restart(3000);
    }));
    frequency_menu->add_action(GAction::create("5 sec", [refresh_timer](auto&) {
        refresh_timer->restart(5000);
    }));
    menubar->add_menu(move(frequency_menu));

    auto help_menu = make<GMenu>("Help");
    help_menu->add_action(GAction::create("About", [](const GAction&) {
        dbgprintf("FIXME: Implement Help/About\n");
    }));
    menubar->add_menu(move(help_menu));

    app.set_menubar(move(menubar));

    auto* process_tab_widget = new GTabWidget(process_container_splitter);

    auto* memory_map_widget = new ProcessMemoryMapWidget(nullptr);
    process_tab_widget->add_widget("Memory map", memory_map_widget);

    auto* stacks_widget = new ProcessStacksWidget(nullptr);
    process_tab_widget->add_widget("Stacks", stacks_widget);

    process_table_view->on_process_selected = [&](pid_t pid) {
        stacks_widget->set_pid(pid);
        memory_map_widget->set_pid(pid);
    };

    auto* window = new GWindow;
    window->set_title("Process Manager");
    window->set_rect(20, 200, 680, 400);
    window->set_main_widget(keeper);

    window->show();

    window->set_icon(load_png("/res/icons/16x16/app-process-manager.png"));

    return app.exec();
}