LibGUI: Rename GTableModel => GModel.

Applications/ProcessManager/ProcessModel.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <AK/AKString.h>
+#include <AK/HashMap.h>
+#include <AK/Vector.h>
+#include <LibGUI/GModel.h>
+#include <unistd.h>
+
+class ProcessModel final : public GModel {
+public:
+    enum Column {
+        Icon = 0,
+        Name,
+        CPU,
+        State,
+        Priority,
+        User,
+        PID,
+        Linear,
+        Physical,
+        __Count
+    };
+
+    static Retained<ProcessModel> create() { return adopt(*new ProcessModel); }
+    virtual ~ProcessModel() override;
+
+    virtual int row_count() const override;
+    virtual int column_count() const override;
+    virtual String column_name(int column) const override;
+    virtual ColumnMetadata column_metadata(int column) const override;
+    virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
+    virtual void update() override;
+
+private:
+    ProcessModel();
+
+    struct ProcessState {
+        pid_t pid;
+        unsigned nsched;
+        String name;
+        String state;
+        String user;
+        String priority;
+        size_t linear;
+        size_t physical;
+        float cpu_percent;
+    };
+
+    struct Process {
+        ProcessState current_state;
+        ProcessState previous_state;
+    };
+
+    HashMap<uid_t, String> m_usernames;
+    HashMap<pid_t, OwnPtr<Process>> m_processes;
+    Vector<pid_t> m_pids;
+    RetainPtr<GraphicsBitmap> m_generic_process_icon;
+    RetainPtr<GraphicsBitmap> m_high_priority_icon;
+    RetainPtr<GraphicsBitmap> m_low_priority_icon;
+    RetainPtr<GraphicsBitmap> m_normal_priority_icon;
+};