profiler gui: first steps

profiler_gui/CMakeLists.txt

@@ -2,9 +2,11 @@ cmake_minimum_required(VERSION 3.0.0 FATAL_ERROR)
 
 project(profiler_gui)
 
+#set(CMAKE_PREFIX_PATH f:/qt/5.5/5.6/msvc2013_64/lib/cmake)
+
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 find_package(Qt5Widgets REQUIRED)
-add_executable(${PROJECT_NAME} main.cpp treemodel.h treemodel.cpp treeitem.h treeitem.cpp)
+add_executable(${PROJECT_NAME} main.cpp treemodel.h treemodel.cpp treeitem.h treeitem.cpp graphics_view.h)# widgets_view.h)
 target_link_libraries(${PROJECT_NAME} Qt5::Widgets easy_profiler)

profiler_gui/graphics_view.h

@@ -0,0 +1,254 @@
+
+
+#ifndef MY____GRAPHICS___VIEW_H
+#define MY____GRAPHICS___VIEW_H
+
+#include <QGraphicsView>
+#include <QGraphicsScene>
+#include <QGraphicsPolygonItem>
+#include <QGraphicsSimpleTextItem>
+#include <QWheelEvent>
+#include <stdlib.h>
+#include "profiler/reader.h"
+
+class GlobalSignals : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    GlobalSignals() : QObject() {}
+
+signals:
+
+    void scaleIncreased(qreal _scale) const;
+    void scaleDecreased(qreal _scale) const;
+
+} const GLOBALS;
+
+class MyPolygon : public QGraphicsPolygonItem
+{
+public:
+
+    MyPolygon(QGraphicsItem* _parent = nullptr) : QGraphicsPolygonItem(_parent)
+    {
+    }
+
+    virtual ~MyPolygon()
+    {
+    }
+
+};
+
+class MyText : public QObject, public QGraphicsSimpleTextItem
+{
+    Q_OBJECT
+
+public:
+
+    MyText(const char* _text, QGraphicsItem* _parent = nullptr) : QGraphicsSimpleTextItem(_text, _parent), QObject()
+    {
+        connect(&GLOBALS, &GlobalSignals::scaleIncreased, this, &MyText::onScaleIncrease);
+        connect(&GLOBALS, &GlobalSignals::scaleDecreased, this, &MyText::onScaleDecrease);
+    }
+
+private slots:
+
+    void onScaleIncrease(qreal _scale)
+    {
+        setScale(100.0 / _scale);
+
+        if (!isVisible())
+        {
+            QRectF selfRect = boundingRect();
+            QRectF parentRect = parentItem()->boundingRect();
+            if (selfRect.width() * 100.0 < parentRect.width() * _scale)
+                show();
+        }
+    }
+
+    void onScaleDecrease(qreal _scale)
+    {
+        setScale(100.0 / _scale);
+
+        if (isVisible())
+        {
+            QRectF selfRect = boundingRect();
+            QRectF parentRect = parentItem()->boundingRect();
+            if (selfRect.width() * 100.0 > parentRect.width() * _scale)
+                hide();
+        }
+    }
+
+
+
+};
+
+const qreal LEFT = -2500000;
+const qreal WIDTH = 5000000;
+const int N_ITEMS = 200000;
+
+class MyGraphicsScene : public QGraphicsScene
+{
+    Q_OBJECT
+
+private:
+
+    profiler::timestamp_t m_start;
+
+public:
+
+    int items_couinter = 0;
+
+    MyGraphicsScene(QGraphicsView* _parent) : QGraphicsScene(_parent), m_start(0)
+    {
+        setSceneRect(QRectF(LEFT, -200, WIDTH, 220));
+        test();
+    }
+
+    MyGraphicsScene(const thread_blocks_tree_t& _blocksTree, QGraphicsView* _parent) : QGraphicsScene(_parent), m_start(0)
+    {
+        setTree(_blocksTree);
+    }
+
+    virtual ~MyGraphicsScene()
+    {
+    }
+
+    void test()
+    {
+        QPolygonF poly(QRectF(-5, -180, 10, 180));
+        for (int i = 0; i < N_ITEMS; ++i)
+        {
+            MyPolygon* item = new MyPolygon();
+            int h = 50 + rand() % 131;
+            item->setPolygon(QRectF(-5, -h, 10, h));
+            item->setPos(LEFT + i * 10, 0);
+            item->setBrush(QBrush(QColor(30 + rand() % 225, 30 + rand() % 225, 30 + rand() % 225)));
+            addItem(item);
+        }
+    }
+
+    void setTree(const thread_blocks_tree_t& _blocksTree)
+    {
+        m_start = -1;
+        profiler::timestamp_t finish = 0;
+        for (const auto& threadTree : _blocksTree)
+        {
+            ++items_couinter;
+            const auto timestart = threadTree.second.children.front().node->block()->getBegin();
+            const auto timefinish = threadTree.second.children.back().node->block()->getEnd();
+            if (m_start > timestart) m_start = timestart;
+            if (finish < timefinish) finish = timefinish;
+        }
+
+        const qreal endX = time2position(finish + 1000000);
+        setSceneRect(QRectF(0, 0, endX, 110 * _blocksTree.size()));
+
+        qreal y = 0;
+        for (const auto& threadTree : _blocksTree)
+        {
+            setTree(threadTree.second.children, y);
+            y += 110;
+        }
+    }
+
+private:
+
+    inline qreal time2position(const profiler::timestamp_t& _time) const
+    {
+        return qreal(_time - m_start) * 1e-6;
+    }
+
+    void setTree(const BlocksTree::children_t& _children, qreal _y, int _level = 0)
+    {
+        for (const auto& child : _children)
+        {
+            ++items_couinter;
+            MyPolygon* item = new MyPolygon();
+
+            const qreal xbegin = time2position(child.node->block()->getBegin());
+            const qreal height = 100 - _level * 5;
+            qreal duration = time2position(child.node->block()->getEnd()) - xbegin;
+            if (duration < 1)
+                duration = 1;
+
+            item->setPolygon(QRectF(0, _level * 5, duration, height));
+            item->setPos(xbegin, _y);
+            item->setZValue(_level);
+
+            const auto color = child.node->block()->getColor();
+            item->setBrush(QBrush(QColor(profiler::colors::get_red(color), profiler::colors::get_green(color), profiler::colors::get_blue(color))));
+            item->setPen(QPen(Qt::NoPen)); // disable borders painting
+
+            addItem(item);
+            MyText* text = new MyText(child.node->getBlockName(), item);
+            QRectF textRect = text->boundingRect();
+            text->setPos(0, _level * 5);
+
+            QRectF itemRect = item->boundingRect();
+            if (textRect.width() > itemRect.width())
+                text->hide();
+
+            setTree(child.children, _y, _level + 1);
+        }
+    }
+};
+
+
+class MyGraphicsView : public QGraphicsView
+{
+    Q_OBJECT
+
+private:
+
+    qreal m_scale;
+    qreal m_scaleCoeff;
+
+public:
+
+    MyGraphicsView() : QGraphicsView(), m_scale(100), m_scaleCoeff(1.25)
+    {
+        initMode();
+        setScene(new MyGraphicsScene(this));
+        centerOn(0, 0);
+    }
+
+    MyGraphicsView(const thread_blocks_tree_t& _blocksTree) : QGraphicsView(), m_scale(100), m_scaleCoeff(1.25)
+    {
+        initMode();
+        setScene(new MyGraphicsScene(_blocksTree, this));
+        centerOn(0, 0);
+    }
+
+    void initMode()
+    {
+        setCacheMode(QGraphicsView::CacheBackground);
+        setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
+        setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+    }
+
+    virtual ~MyGraphicsView()
+    {
+    }
+
+    void wheelEvent(QWheelEvent* event)
+    {
+        //MyGraphicsScene* myscene = (MyGraphicsScene*)scene();
+        if (event->delta() > 0)
+        {
+            scale(m_scaleCoeff, m_scaleCoeff);
+            m_scale *= m_scaleCoeff;
+            emit GLOBALS.scaleIncreased(m_scale);
+        }
+        else
+        {
+            const qreal scaleCoeff = 1.0 / m_scaleCoeff;
+            scale(scaleCoeff, scaleCoeff);
+            m_scale *= scaleCoeff;
+            emit GLOBALS.scaleDecreased(m_scale);
+        }
+    }
+};
+
+#endif // MY____GRAPHICS___VIEW_H

profiler_gui/main.cpp

@@ -2,6 +2,8 @@
 #include <QTreeView>
 #include <QFileSystemModel>
 #include "treemodel.h"
+#include "graphics_view.h"
+#include "profiler/reader.h"
 
 int main(int argc, char **argv)
 {
@@ -10,23 +12,44 @@ int main(int argc, char **argv)
 
 	//QFileSystemModel *model = new QFileSystemModel;
 	//model->setRootPath(QDir::currentPath());
-	const char* filename = 0;
-    if(argc > 1 && argv[1]){
-		filename = argv[1];
-    }else{
-		return 255;
+// 	const char* filename = 0;
+//     if(argc > 1 && argv[1]){
+// 		filename = argv[1];
+//     }else{
+// 		return 255;
+// 	}
+
+//     QFile file(filename);
+// 	file.open(QIODevice::ReadOnly);
+//     TreeModel model(file.readAll());
+// 	file.close();
+
+
+// 	QTreeView *tree = new QTreeView();
+// 	tree->setModel(&model);
+// 
+// 	tree->show();
+
+    const bool test = false;
+
+    if (test)
+    {
+        // srand for random colors in test
+        unsigned int* rseed = new unsigned int;
+        srand(*rseed);
+        delete rseed;
+
+        MyGraphicsView gview;
+        gview.show();
+
+        return app.exec();
     }
 
-    QFile file(filename);
-	file.open(QIODevice::ReadOnly);
-    TreeModel model(file.readAll());
-	file.close();
+    thread_blocks_tree_t threaded_trees;
+    int blocks_counter = fillTreesFromFile("test.prof", threaded_trees, false);
 
+    MyGraphicsView gview(threaded_trees);
+    gview.show();
 
-	QTreeView *tree = new QTreeView();
-	tree->setModel(&model);
-
-	tree->show();
-
-	return app.exec(	);
+    return app.exec();
 }