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SystemMonitor: Make all tabs except the process table lazily loaded

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We now use GLazyWidget for all the secondary tabs, which makes the
program start up way faster than before.

There's a noticeable delay when you click on the "PCI Devices" tab
for the first time, but that's definitely better than always eating
that delay before seeing a window at all. :^)
This commit is contained in:
Andreas Kling 2019-10-02 20:26:19 +02:00
parent 183f7c9830
commit 9da121f837
9 changed files with 253 additions and 201 deletions
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10
Applications/SystemMonitor/ProcessModel.h
View file

@ -27,7 +27,9 @@ public:
__Count
};
static NonnullRefPtr<ProcessModel> create(GraphWidget& graph) { return adopt(*new ProcessModel(graph)); }
static ProcessModel& the();
static NonnullRefPtr<ProcessModel> create() { return adopt(*new ProcessModel); }
virtual ~ProcessModel() override;
virtual int row_count(const GModelIndex&) const override;
@ -37,10 +39,10 @@ public:
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual void update() override;
private:
explicit ProcessModel(GraphWidget&);
Function<void(float)> on_new_cpu_data_point;
GraphWidget& m_graph;
private:
ProcessModel();
struct ProcessState {
pid_t pid;