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SystemMonitor: Propagate more errors on startup

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This commit is contained in:
Karol Kosek 2023-05-21 16:48:10 +02:00 committed by Andreas Kling
parent 412630637a
commit 2f8f7eb899
Notes: sideshowbarker 2024-07-17 22:41:14 +09:00 
Author: https://github.com/krkk
Commit: https://github.com/SerenityOS/serenity/commit/2f8f7eb899
Pull-request: https://github.com/SerenityOS/serenity/pull/18969
1 changed files with 51 additions and 49 deletions
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100
Userland/Applications/SystemMonitor/main.cpp
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@ -59,7 +59,7 @@
#include <unistd.h>
static ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t);
static void build_performance_tab(GUI::Widget&);
static ErrorOr<void> build_performance_tab(GUI::Widget&);
static RefPtr<GUI::Statusbar> statusbar;
@ -274,9 +274,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
parser.parse(arguments);
StringView args_tab_view = args_tab;
auto app_icon = GUI::Icon::default_icon("app-system-monitor"sv);
auto app_icon = TRY(GUI::Icon::try_create_default_icon("app-system-monitor"sv));
auto window = GUI::Window::construct();
auto window = TRY(GUI::Window::try_create());
window->set_title("System Monitor");
window->resize(560, 430);
@ -294,7 +294,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
};
auto& performance_widget = *tabwidget.find_descendant_of_type_named<GUI::Widget>("performance");
build_performance_tab(performance_widget);
TRY(build_performance_tab(performance_widget));
auto& process_table_view = *process_table_container.find_child_of_type_named<GUI::TreeView>("process_table");
process_table_view.set_model(TRY(GUI::SortingProxyModel::create(process_model)));
@ -329,8 +329,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
memory_stats_widget->refresh();
};
update_stats();
auto& refresh_timer = window->add<Core::Timer>(frequency * 1000, move(update_stats));
refresh_timer.start();
auto refresh_timer = TRY(window->try_add<Core::Timer>(frequency * 1000, move(update_stats)));
refresh_timer->start();
auto selected_id = [&](ProcessModel::Column column) -> pid_t {
if (process_table_view.selection().is_empty())
@ -425,47 +425,48 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
},
&process_table_view);
auto& file_menu = window->add_menu("&File"_short_string);
file_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
auto file_menu = TRY(window->try_add_menu("&File"_short_string));
TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
GUI::Application::the()->quit();
}));
})));
auto process_context_menu = GUI::Menu::construct();
process_context_menu->add_action(kill_action);
process_context_menu->add_action(stop_action);
process_context_menu->add_action(continue_action);
process_context_menu->add_separator();
process_context_menu->add_action(profile_action);
process_context_menu->add_action(debug_action);
process_context_menu->add_separator();
process_context_menu->add_action(process_properties_action);
auto process_context_menu = TRY(GUI::Menu::try_create());
TRY(process_context_menu->try_add_action(kill_action));
TRY(process_context_menu->try_add_action(stop_action));
TRY(process_context_menu->try_add_action(continue_action));
TRY(process_context_menu->try_add_separator());
TRY(process_context_menu->try_add_action(profile_action));
TRY(process_context_menu->try_add_action(debug_action));
TRY(process_context_menu->try_add_separator());
TRY(process_context_menu->try_add_action(process_properties_action));
process_table_view.on_context_menu_request = [&]([[maybe_unused]] const GUI::ModelIndex& index, const GUI::ContextMenuEvent& event) {
if (index.is_valid())
process_context_menu->popup(event.screen_position(), process_properties_action);
};
auto& frequency_menu = window->add_menu(TRY("F&requency"_string));
auto frequency_menu = TRY(window->try_add_menu(TRY("F&requency"_string)));
GUI::ActionGroup frequency_action_group;
frequency_action_group.set_exclusive(true);
auto make_frequency_action = [&](int seconds) {
auto make_frequency_action = [&](int seconds) -> ErrorOr<void> {
auto action = GUI::Action::create_checkable(DeprecatedString::formatted("&{} Sec", seconds), [&refresh_timer, seconds](auto&) {
Config::write_i32("SystemMonitor"sv, "Monitor"sv, "Frequency"sv, seconds);
refresh_timer.restart(seconds * 1000);
refresh_timer->restart(seconds * 1000);
});
action->set_status_tip(DeprecatedString::formatted("Refresh every {} seconds", seconds));
action->set_checked(frequency == seconds);
frequency_action_group.add_action(*action);
frequency_menu.add_action(*action);
TRY(frequency_menu->try_add_action(*action));
return {};
};
make_frequency_action(1);
make_frequency_action(3);
make_frequency_action(5);
TRY(make_frequency_action(1));
TRY(make_frequency_action(3));
TRY(make_frequency_action(5));
auto& help_menu = window->add_menu("&Help"_short_string);
help_menu.add_action(GUI::CommonActions::make_command_palette_action(window));
help_menu.add_action(GUI::CommonActions::make_about_action("System Monitor", app_icon, window));
auto help_menu = TRY(window->try_add_menu("&Help"_short_string));
TRY(help_menu->try_add_action(GUI::CommonActions::make_command_palette_action(window)));
TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("System Monitor", app_icon, window)));
process_table_view.on_activation = [&](auto&) {
if (process_properties_action->is_enabled())
@ -520,11 +521,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t pid)
{
auto window = GUI::Window::construct();
auto window = TRY(GUI::Window::try_create());
window->resize(480, 360);
window->set_title(DeprecatedString::formatted("PID {} - System Monitor", pid));
auto app_icon = GUI::Icon::default_icon("app-system-monitor"sv);
auto app_icon = TRY(GUI::Icon::try_create_default_icon("app-system-monitor"sv));
window->set_icon(app_icon.bitmap_for_size(16));
auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
@ -544,7 +545,7 @@ ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t pid)
main_widget->find_descendant_of_type_named<GUI::ImageWidget>("process_icon")->set_bitmap(icon_data.as_icon().bitmap_for_size(32));
}
main_widget->find_descendant_of_type_named<GUI::Label>("process_name")->set_text(String::formatted("{} (PID {})", process_index.sibling_at_column(ProcessModel::Column::Name).data().to_deprecated_string(), pid).release_value_but_fixme_should_propagate_errors());
main_widget->find_descendant_of_type_named<GUI::Label>("process_name")->set_text(TRY(String::formatted("{} (PID {})", process_index.sibling_at_column(ProcessModel::Column::Name).data().to_deprecated_string(), pid)));
main_widget->find_descendant_of_type_named<SystemMonitor::ProcessStateWidget>("process_state")->set_pid(pid);
main_widget->find_descendant_of_type_named<SystemMonitor::ProcessFileDescriptorMapWidget>("open_files")->set_pid(pid);
@ -564,7 +565,7 @@ ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t pid)
return window;
}
void build_performance_tab(GUI::Widget& graphs_container)
ErrorOr<void> build_performance_tab(GUI::Widget& graphs_container)
{
auto& cpu_graph_group_box = *graphs_container.find_descendant_of_type_named<GUI::GroupBox>("cpu_graph");
@ -574,24 +575,24 @@ void build_performance_tab(GUI::Widget& graphs_container)
Vector<SystemMonitor::GraphWidget&> cpu_graphs;
for (auto row = 0u; row < cpu_graph_rows; ++row) {
auto& cpu_graph_row = cpu_graph_group_box.add<GUI::Widget>();
cpu_graph_row.set_layout<GUI::HorizontalBoxLayout>(6);
cpu_graph_row.set_fixed_height(108);
auto cpu_graph_row = TRY(cpu_graph_group_box.try_add<GUI::Widget>());
TRY(cpu_graph_row->try_set_layout<GUI::HorizontalBoxLayout>(6));
cpu_graph_row->set_fixed_height(108);
for (auto i = 0u; i < cpu_graphs_per_row; ++i) {
auto& cpu_graph = cpu_graph_row.add<SystemMonitor::GraphWidget>();
cpu_graph.set_max(100);
cpu_graph.set_value_format(0, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [](u64 value) {
return DeprecatedString::formatted("Total: {}%", value);
},
});
cpu_graph.set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [](u64 value) {
return DeprecatedString::formatted("Kernel: {}%", value);
},
});
auto cpu_graph = TRY(cpu_graph_row->try_add<SystemMonitor::GraphWidget>());
cpu_graph->set_max(100);
cpu_graph->set_value_format(0, {
.graph_color_role = ColorRole::SyntaxPreprocessorStatement,
.text_formatter = [](u64 value) {
return DeprecatedString::formatted("Total: {}%", value);
},
});
cpu_graph->set_value_format(1, {
.graph_color_role = ColorRole::SyntaxPreprocessorValue,
.text_formatter = [](u64 value) {
return DeprecatedString::formatted("Kernel: {}%", value);
},
});
cpu_graphs.append(cpu_graph);
}
}
@ -624,4 +625,5 @@ void build_performance_tab(GUI::Widget& graphs_container)
return DeprecatedString::formatted("Kernel heap: {}", human_readable_size(bytes));
},
});
return {};
}