LibGUI: Take ProcessManager's process view and turn it into GTableView.

Make it sufficiently generic that it can be reused for any table data. :^)

Applications/ProcessManager/ProcessTableView.cpp

@@ -0,0 +1,35 @@
+#include "ProcessTableView.h"
+#include "ProcessTableModel.h"
+
+
+ProcessTableView::ProcessTableView(GWidget* parent)
+    : GTableView(parent)
+{
+    set_model(make<ProcessTableModel>());
+    start_timer(1000);
+    model().update();
+}
+
+ProcessTableView::~ProcessTableView()
+{
+}
+
+void ProcessTableView::timer_event(GTimerEvent&)
+{
+    model().update();
+}
+
+pid_t ProcessTableView::selected_pid() const
+{
+    return model().selected_pid();
+}
+
+inline ProcessTableModel& ProcessTableView::model()
+{
+    return static_cast<ProcessTableModel&>(*GTableView::model());
+}
+
+inline const ProcessTableModel& ProcessTableView::model() const
+{
+    return static_cast<const ProcessTableModel&>(*GTableView::model());
+}