PerfProfiler: create views on demand

Creating the views on application startup wastes time and memory if we
never use them. Delay the creation until the first time we show the
views.

Task-number: QTCREATORBUG-21894
Change-Id: I62e4e97cfc34e36e8dd924b44250c03328d9519d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: hjk <hjk@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/plugins/perfprofiler/perfprofilertool.h b/src/plugins/perfprofiler/perfprofilertool.h
index 6daf47fb74..7c0296b28d 100644
--- a/src/plugins/perfprofiler/perfprofilertool.h
+++ b/src/plugins/perfprofiler/perfprofilertool.h
@@ -72,8 +72,11 @@ public:
 signals:
     void recordingChanged(bool recording);
     void aggregatedChanged(bool aggregated);
+    void viewsCreated();
 
 private:
+    void createViews();
+
     void gotoSourceLocation(QString filePath, int lineNumber, int columnNumber);
     void showLoadPerfDialog();
     void showLoadTraceDialog();
@@ -111,6 +114,7 @@ private:
     QToolButton *m_filterButton = nullptr;
     QMenu *m_filterMenu = nullptr;
     QToolButton *m_aggregateButton = nullptr;
+    QToolButton *m_tracePointsButton = nullptr;
 
     PerfProfilerTraceView *m_traceView = nullptr;
     PerfProfilerStatisticsView *m_statisticsView = nullptr;