basic charts

inc/graph/server/gui/chart/chart.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <graph/server/spec.h>
+#include <qabstractseries.h>
+#include <QChart>
+#include <QChartView>
+#include <QLineSeries>
+#include <QListWidgetItem>
+#include <QValueAxis>
+
+namespace Graph::GUI {
+class ChartWidget : public QListWidgetItem {
+ public:
+  ChartWidget(QWidget* parent = nullptr, const chart_spec_t& spec = chart_spec_t());
+  ~ChartWidget();
+
+  QChartView* getView() const { return view; }
+  QChart* getChart() const { return chart; }
+  QList<QAbstractSeries*> getSeries() const { return chart->series(); }
+
+ private:
+  QChartView* view;
+  QChart* chart;
+  QValueAxis *x, *y;
+};
+} // namespace Graph::GUI

inc/graph/server/gui/mainwindow.h

@@ -4,7 +4,11 @@
 #include <QMenuBar>
 #include <QStatusBar>
 #include <QToolBar>
+#include <vector>
+#include "graph/server/gui/chart/chart.h"
 #include <graph/server/plugin.h>
+#include <qlineseries.h>
+#include <qlistwidget.h>
 
 namespace Ui {
 class MainWindow;
@@ -24,6 +28,7 @@ private slots:
 private:
   Ui::MainWindow *ui;
 
-  PluginModel* pluginsModel;
+  PluginModel* pluginModel;
+  std::vector<ChartWidget*> charts;
 };
 } // namespace Graph::GUI

inc/graph/server/spec.h

@@ -1,22 +1,19 @@
 #pragma once
 
-#include <cstdint>
-#include <string>
+#include <QString>
 
-struct graph_spec_t {
-  std::string title;
+struct axis_spec_t {
+  QString label;
+  bool auto_limit = true;
+  double min;
+  double max;
+};
+
+struct chart_spec_t {
+  QString title;
   bool grid = false;
   bool legend = false;
-  struct axis {
-    struct x {
-      std::string label;
-      uint64_t limit = UINT64_MAX;
-    };
-    struct y {
-      std::string label;
-      bool auto_limit = true;
-      double min;
-      double max;
-    };
-  };
+  struct {
+    axis_spec_t x, y;
+  } axis;
 };

src/graph/server/CMakeLists.txt

@@ -1,4 +1,4 @@
-find_package(Qt6 REQUIRED COMPONENTS Widgets)
+find_package(Qt6 REQUIRED COMPONENTS Widgets Charts)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)
@@ -6,14 +6,13 @@ set(CMAKE_AUTOUIC ON)
 file(GLOB_RECURSE SERVER_SOURCES "*.cpp")
 file(GLOB_RECURSE SERVER_UI "*.ui")
 file(GLOB_RECURSE SERVER_RES "*.qrc")
-# file(GLOB_RECURSE SERVER_HEADERS "${CMAKE_SOURCE_DIR}/inc/graph/server/*.h")
 file(GLOB_RECURSE SERVER_HEADERS "../../../inc/graph/server/*.h")
 
-cmake_print_variables(SERVER_SOURCES)
-cmake_print_variables(SERVER_UI)
-cmake_print_variables(SERVER_RES)
-cmake_print_variables(SERVER_HEADERS)
-cmake_print_variables(CMAKE_BINARY_DIR)
+# cmake_print_variables(SERVER_SOURCES)
+# cmake_print_variables(SERVER_UI)
+# cmake_print_variables(SERVER_RES)
+# cmake_print_variables(SERVER_HEADERS)
+# cmake_print_variables(CMAKE_BINARY_DIR)
 
 qt_wrap_cpp(SERVER_GEN_SRC ${SERVER_SRC})
 qt_wrap_ui(SERVER_GEN_UI ${SERVER_UI})
@@ -24,5 +23,5 @@ add_executable(server
 )
 
 target_include_directories(server PRIVATE "${CMAKE_BINARY_DIR}/src")
-target_link_libraries(server PRIVATE dl Qt6::Widgets)
+target_link_libraries(server PRIVATE dl Qt6::Widgets Qt6::Charts)
 set_target_properties(server PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}")

src/graph/server/gui/chart/chart.cpp

@@ -0,0 +1,44 @@
+#include <graph/server/gui/chart/chart.h>
+#include <qsizepolicy.h>
+#include <iostream>
+
+namespace Graph::GUI {
+ChartWidget::ChartWidget(QWidget* parent, const chart_spec_t& spec) : QListWidgetItem() {
+  view = new QChartView(parent);
+  chart = new QChart();
+
+  // chart
+  if (spec.legend)
+    chart->legend()->show();
+  else
+    chart->legend()->hide();
+
+  chart->setTitle(spec.title);
+
+  // axis
+  x = new QValueAxis();
+  y = new QValueAxis();
+
+  if (!spec.axis.x.auto_limit)
+    x->setRange(spec.axis.x.min, spec.axis.x.max);
+  if (!spec.axis.y.auto_limit)
+    y->setRange(spec.axis.y.min, spec.axis.y.max);
+
+  x->setTitleText(spec.axis.x.label);
+  y->setTitleText(spec.axis.y.label);
+
+  chart->addAxis(x, Qt::AlignBottom);
+  chart->addAxis(y, Qt::AlignLeft);
+
+  view->setChart(chart);
+  view->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+  setSizeHint(view->sizeHint()*2);
+}
+
+ChartWidget::~ChartWidget() {
+  // delete view;
+  // delete chart;
+  // delete x;
+  // delete y;
+}
+} // namespace Graph::GUI

src/graph/server/gui/mainwindow.cpp

@@ -1,33 +1,57 @@
 #include <graph/server/gui/mainwindow.h>
 #include <graph/server/plugin.h>
 #include <graph/server/ui_mainwindow.h>
+#include <qlineseries.h>
+#include <qlistwidget.h>
+#include <qpoint.h>
 #include <QFileDialog>
 #include <QMessageBox>
 #include <iostream>
 #include <stdexcept>
+#include "graph/server/gui/chart/chart.h"
+#include "graph/server/spec.h"
 
 namespace Graph::GUI {
 MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
   ui->setupUi(this);
 
   // plugins
-  pluginsModel = new PluginModel(this);
-  ui->pluginsListView->setModel(pluginsModel);
+  pluginModel = new PluginModel(this);
+  ui->pluginsListView->setModel(pluginModel);
 
   // unload plugin
   connect(ui->pluginsListView, &QListView::doubleClicked, [&](const QModelIndex& index) {
-    pluginsModel->removeRow(index.row());
-    pluginsModel->remove(index.row());
-    ui->pluginsListView->doItemsLayout();
+    QMessageBox::StandardButton result = QMessageBox::question(this, "Unload plugin?", "Are you sure?", QMessageBox::Yes | QMessageBox::Cancel);
+
+    if (result == QMessageBox::Yes) {
+      pluginModel->removeRow(index.row());
+      pluginModel->remove(index.row());
+      ui->pluginsListView->doItemsLayout();
+    }
   });
 }
 
 MainWindow::~MainWindow() {
-  delete ui;
-  delete pluginsModel;
+  for (ChartWidget* chart : charts) {
+    delete chart;
+  }
+
+  delete pluginModel;
 }
 
-void MainWindow::on_action_Add_triggered() {}
+void MainWindow::on_action_Add_triggered() {
+  ChartWidget* chart =
+      new ChartWidget(ui->graphsListWidget, {.title = "My Title", .grid = true, .legend = true, .axis = {.x = {.label = "x axis"}, .y = {.label = "y axis"}}});
+
+  ui->graphsListWidget->addItem(chart);
+  ui->graphsListWidget->setItemWidget(chart, chart->getView());
+
+  QLineSeries* series = new QLineSeries();
+  series->setName("some series");
+  *series << QPointF(0, 1) << QPointF(1, 2) << QPoint(2, 3);
+
+  chart->getChart()->addSeries(series);
+}
 
 void MainWindow::on_action_Load_triggered() {
   QString file = QFileDialog::getOpenFileName(this, "Load plugin", ".", "Plugins (*.so *.dll *.dylib)");
@@ -36,15 +60,15 @@ void MainWindow::on_action_Load_triggered() {
     return;
 
   try {
-    pluginsModel->add(new Plugin(file.toStdString()));
+    pluginModel->add(new Plugin(file.toStdString()));
   } catch (std::runtime_error e) {
     std::cout << e.what() << std::endl;
     QMessageBox::critical(this, "Error", "Failed to load plugin.", QMessageBox::StandardButton::Ignore);
   }
 
-  int row = pluginsModel->rowCount();
-  pluginsModel->insertRow(row);
-  QModelIndex index = pluginsModel->index(row);
+  int row = pluginModel->rowCount();
+  pluginModel->insertRow(row);
+  QModelIndex index = pluginModel->index(row);
   ui->pluginsListView->doItemsLayout();
   ui->pluginsListView->setCurrentIndex(index);
 }

src/graph/server/gui/mainwindow.ui

@@ -76,21 +76,25 @@
    <property name="text">
     <string>&amp;Load</string>
    </property>
-  </action>
-  <action name="action_Unload">
-   <property name="text">
-    <string>&amp;Unload</string>
+   <property name="shortcut">
+    <string>Ctrl+L</string>
    </property>
   </action>
   <action name="action_Add">
    <property name="text">
     <string>&amp;Add</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+A</string>
+   </property>
   </action>
   <action name="action_Remove">
    <property name="text">
     <string>&amp;Remove</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+R</string>
+   </property>
   </action>
  </widget>
  <resources/>

src/graph/server/plugin.cpp

@@ -1,8 +1,5 @@
 #include <dlfcn.h>
 #include <graph/server/plugin.h>
-#include <qnamespace.h>
-#include <qobject.h>
-#include <qvariant.h>
 #include <stdexcept>
 #include <string>