mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 09:47:35 +00:00
93489fbc4c
In every case I found, we never wanted to support null entry values. With NonnullOwnPtr, we can encode that at the type level. :^)
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#pragma once
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#include <AK/AKString.h>
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#include <AK/HashMap.h>
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#include <AK/Vector.h>
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#include <LibGUI/GModel.h>
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#include <unistd.h>
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class GraphWidget;
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class ProcessModel final : public GModel {
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public:
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enum Column {
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Icon = 0,
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Name,
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CPU,
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State,
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Priority,
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User,
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PID,
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Virtual,
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Physical,
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Syscalls,
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__Count
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};
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static NonnullRefPtr<ProcessModel> create(GraphWidget& graph) { return adopt(*new ProcessModel(graph)); }
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virtual ~ProcessModel() override;
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virtual int row_count(const GModelIndex&) const override;
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virtual int column_count(const GModelIndex&) const override;
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virtual String column_name(int column) const override;
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virtual ColumnMetadata column_metadata(int column) const override;
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virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
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virtual void update() override;
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private:
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explicit ProcessModel(GraphWidget&);
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GraphWidget& m_graph;
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struct ProcessState {
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pid_t pid;
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unsigned times_scheduled;
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String name;
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String state;
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String user;
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String priority;
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size_t amount_virtual;
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size_t amount_resident;
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unsigned syscall_count;
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float cpu_percent;
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};
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struct Process {
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ProcessState current_state;
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ProcessState previous_state;
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};
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HashMap<uid_t, String> m_usernames;
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HashMap<pid_t, NonnullOwnPtr<Process>> m_processes;
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Vector<pid_t> m_pids;
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RefPtr<GraphicsBitmap> m_generic_process_icon;
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RefPtr<GraphicsBitmap> m_high_priority_icon;
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RefPtr<GraphicsBitmap> m_low_priority_icon;
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RefPtr<GraphicsBitmap> m_normal_priority_icon;
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};
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