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Code Issues Activity Actions

ProcessManager: Use a single timer for refreshing the view.

Browse source 
Also add a menu for changing the update frequency to some nice values.
This commit is contained in:
Andreas Kling 2019-04-18 04:38:31 +02:00
parent d73ed74d1c
commit ac19fabaaf
4 changed files with 25 additions and 8 deletions
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1
Applications/ProcessManager/MemoryStatsWidget.cpp
View file

@ -37,7 +37,6 @@ MemoryStatsWidget::MemoryStatsWidget(GWidget* parent)
m_kmalloc_label = build_widgets_for_label("Kernel heap:");
m_kmalloc_count_label = build_widgets_for_label("Calls kmalloc/kfree:");
start_timer(1000);
refresh();
}

5
Applications/ProcessManager/ProcessTableView.cpp
View file

@ -8,15 +8,14 @@ ProcessTableView::ProcessTableView(GWidget* parent)
{
set_model(GSortingProxyModel::create(ProcessModel::create()));
model()->set_key_column_and_sort_order(ProcessModel::Column::CPU, GSortOrder::Descending);
start_timer(1000);
model()->update();
refresh();
}
ProcessTableView::~ProcessTableView()
{
}
void ProcessTableView::timer_event(CTimerEvent&)
void ProcessTableView::refresh()
{
model()->update();
}

5
Applications/ProcessManager/ProcessTableView.h
View file

@ -13,10 +13,9 @@ public:
pid_t selected_pid() const;
protected:
virtual void model_notification(const GModelNotification&) override;
void refresh();
private:
virtual void timer_event(CTimerEvent&) override;
virtual void model_notification(const GModelNotification&) override;
};

22
Applications/ProcessManager/main.cpp
View file

@ -1,3 +1,4 @@
#include <LibCore/CTimer.h>
#include <LibGUI/GWindow.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GBoxLayout.h>
@ -20,8 +21,12 @@ int main(int argc, char** argv)
auto* toolbar = new GToolBar(widget);
auto* process_table_view = new ProcessTableView(widget);
auto* memory_stats_widget = new MemoryStatsWidget(widget);
new MemoryStatsWidget(widget);
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();
@ -59,6 +64,21 @@ int main(int argc, char** argv)
process_menu->add_action(continue_action.copy_ref());
menubar->add_menu(move(process_menu));
auto frequency_menu = make<GMenu>("Frequency");
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");