Add imgui debug window, still need to use unique contexts

scwx-qt/scwx-qt.cmake

@@ -119,6 +119,8 @@ set(SRC_TYPES source/scwx/qt/types/radar_product_record.cpp
 set(HDR_UI source/scwx/qt/ui/alert_dialog.hpp
            source/scwx/qt/ui/alert_dock_widget.hpp
            source/scwx/qt/ui/flow_layout.hpp
+           source/scwx/qt/ui/imgui_debug_dialog.hpp
+           source/scwx/qt/ui/imgui_debug_widget.hpp
            source/scwx/qt/ui/level2_products_widget.hpp
            source/scwx/qt/ui/level2_settings_widget.hpp
            source/scwx/qt/ui/level3_products_widget.hpp
@@ -126,12 +128,15 @@ set(HDR_UI source/scwx/qt/ui/alert_dialog.hpp
 set(SRC_UI source/scwx/qt/ui/alert_dialog.cpp
            source/scwx/qt/ui/alert_dock_widget.cpp
            source/scwx/qt/ui/flow_layout.cpp
+           source/scwx/qt/ui/imgui_debug_dialog.cpp
+           source/scwx/qt/ui/imgui_debug_widget.cpp
            source/scwx/qt/ui/level2_products_widget.cpp
            source/scwx/qt/ui/level2_settings_widget.cpp
            source/scwx/qt/ui/level3_products_widget.cpp
            source/scwx/qt/ui/radar_site_dialog.cpp)
 set(UI_UI  source/scwx/qt/ui/alert_dialog.ui
            source/scwx/qt/ui/alert_dock_widget.ui
+           source/scwx/qt/ui/imgui_debug_dialog.ui
            source/scwx/qt/ui/radar_site_dialog.ui)
 set(HDR_UTIL source/scwx/qt/util/font.hpp
              source/scwx/qt/util/font_buffer.hpp

scwx-qt/source/scwx/qt/main/main_window.cpp

@@ -11,6 +11,7 @@
 #include <scwx/qt/model/radar_product_model.hpp>
 #include <scwx/qt/ui/alert_dock_widget.hpp>
 #include <scwx/qt/ui/flow_layout.hpp>
+#include <scwx/qt/ui/imgui_debug_dialog.hpp>
 #include <scwx/qt/ui/level2_products_widget.hpp>
 #include <scwx/qt/ui/level2_settings_widget.hpp>
 #include <scwx/qt/ui/level3_products_widget.hpp>
@@ -49,6 +50,7 @@ public:
        level2SettingsWidget_ {nullptr},
        level3ProductsWidget_ {nullptr},
        alertDockWidget_ {nullptr},
+       imGuiDebugDialog_ {nullptr},
        radarSiteDialog_ {nullptr},
        radarProductModel_ {nullptr},
        textEventManager_ {manager::TextEventManager::Instance()},
@@ -110,6 +112,7 @@ public:
    ui::Level3ProductsWidget* level3ProductsWidget_;
 
    ui::AlertDockWidget*  alertDockWidget_;
+   ui::ImGuiDebugDialog* imGuiDebugDialog_;
    ui::RadarSiteDialog*  radarSiteDialog_;
 
    std::unique_ptr<model::RadarProductModel>  radarProductModel_;
@@ -196,6 +199,9 @@ MainWindow::MainWindow(QWidget* parent) :
    ui->settingsFrame->layout()->addWidget(p->level2SettingsWidget_);
    p->level2SettingsWidget_->setVisible(false);
 
+   // ImGui Debug Dialog
+   p->imGuiDebugDialog_ = new ui::ImGuiDebugDialog(this);
+
    auto mapSettings = manager::SettingsManager::map_settings();
    for (size_t i = 0; i < p->maps_.size(); i++)
    {
@@ -323,6 +329,11 @@ void MainWindow::on_actionExit_triggered()
    close();
 }
 
+void MainWindow::on_actionImGuiDebug_triggered()
+{
+   p->imGuiDebugDialog_->show();
+}
+
 void MainWindow::on_radarSiteSelectButton_clicked()
 {
    p->radarSiteDialog_->show();

scwx-qt/source/scwx/qt/main/main_window.hpp

@@ -35,6 +35,7 @@ private slots:
    void on_actionOpenNexrad_triggered();
    void on_actionOpenTextEvent_triggered();
    void on_actionExit_triggered();
+   void on_actionImGuiDebug_triggered();
    void on_radarSiteSelectButton_clicked();
    void on_resourceTreeCollapseAllButton_clicked();
    void on_resourceTreeExpandAllButton_clicked();

scwx-qt/source/scwx/qt/main/main_window.ui

@@ -35,7 +35,7 @@
      <x>0</x>
      <y>0</y>
      <width>1024</width>
-     <height>22</height>
+     <height>21</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -67,8 +67,15 @@
     <addaction name="actionResourceExplorer"/>
     <addaction name="actionAlerts"/>
    </widget>
+   <widget class="QMenu" name="menuDebug">
+    <property name="title">
+     <string>&amp;Debug</string>
+    </property>
+    <addaction name="actionImGuiDebug"/>
+   </widget>
    <addaction name="menuFile"/>
    <addaction name="menuView"/>
+   <addaction name="menuDebug"/>
    <addaction name="menuHelp"/>
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
@@ -342,6 +349,11 @@
     <string>&amp;Alerts</string>
    </property>
   </action>
+  <action name="actionImGuiDebug">
+   <property name="text">
+    <string>&amp;ImGui Debug</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="../../../../scwx-qt.qrc"/>

scwx-qt/source/scwx/qt/manager/resource_manager.cpp

@@ -5,6 +5,7 @@
 #include <scwx/util/logger.hpp>
 
 #include <backends/imgui_impl_opengl3.h>
+#include <backends/imgui_impl_qt.hpp>
 #include <imgui.h>
 #include <QOffscreenSurface>
 #include <QOpenGLContext>
@@ -53,8 +54,20 @@ static void InitializeImGui()
 
    // Initialize ImGui
    ImGui::CreateContext();
+   ImGui_ImplQt_Init();
    ImGui_ImplOpenGL3_Init();
    QOpenGLContext::globalShareContext()->doneCurrent();
+
+   // ImGui Configuration
+   auto& io = ImGui::GetIO();
+
+   // Disable automatic configuration loading/saving
+   io.IniFilename = nullptr;
+
+   // Style
+   auto& style = ImGui::GetStyle();
+
+   style.WindowMinSize = {10.0f, 10.0f};
 }
 
 static void LoadFonts()
@@ -77,6 +90,7 @@ static void ShutdownImGui()
 {
    QOpenGLContext::globalShareContext()->makeCurrent(surface_.get());
    ImGui_ImplOpenGL3_Shutdown();
+   ImGui_ImplQt_Shutdown();
    ImGui::DestroyContext();
    QOpenGLContext::globalShareContext()->doneCurrent();
 }

scwx-qt/source/scwx/qt/ui/imgui_debug_dialog.cpp

@@ -0,0 +1,45 @@
+#include "imgui_debug_dialog.hpp"
+#include "ui_imgui_debug_dialog.h"
+
+#include <scwx/qt/ui/imgui_debug_widget.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace ui
+{
+
+static const std::string logPrefix_ = "scwx::qt::ui::imgui_debug_dialog";
+
+class ImGuiDebugDialogImpl
+{
+public:
+   explicit ImGuiDebugDialogImpl() : imGuiDebugWidget_ {nullptr} {}
+   ~ImGuiDebugDialogImpl() = default;
+
+   ImGuiDebugWidget* imGuiDebugWidget_;
+};
+
+ImGuiDebugDialog::ImGuiDebugDialog(QWidget* parent) :
+    QDialog(parent),
+    p {std::make_unique<ImGuiDebugDialogImpl>()},
+    ui(new Ui::ImGuiDebugDialog)
+{
+   ui->setupUi(this);
+
+   // ImGui Debug Widget
+   p->imGuiDebugWidget_ = new ImGuiDebugWidget(this);
+   p->imGuiDebugWidget_->setSizePolicy(QSizePolicy::Policy::Expanding,
+                                       QSizePolicy::Policy::Expanding);
+   ui->verticalLayout->insertWidget(0, p->imGuiDebugWidget_);
+}
+
+ImGuiDebugDialog::~ImGuiDebugDialog()
+{
+   delete ui;
+}
+
+} // namespace ui
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/ui/imgui_debug_dialog.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <QDialog>
+
+namespace Ui
+{
+class ImGuiDebugDialog;
+}
+
+namespace scwx
+{
+namespace qt
+{
+namespace ui
+{
+
+class ImGuiDebugDialogImpl;
+
+class ImGuiDebugDialog : public QDialog
+{
+private:
+   Q_DISABLE_COPY(ImGuiDebugDialog)
+
+public:
+   explicit ImGuiDebugDialog(QWidget* parent = nullptr);
+   ~ImGuiDebugDialog();
+
+private:
+   friend class ImGuiDebugDialogImpl;
+   std::unique_ptr<ImGuiDebugDialogImpl> p;
+   Ui::ImGuiDebugDialog*                 ui;
+};
+
+} // namespace ui
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/ui/imgui_debug_dialog.ui

@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ImGuiDebugDialog</class>
+ <widget class="QDialog" name="ImGuiDebugDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>570</width>
+    <height>760</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>ImGui Debug</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QFrame" name="bottomFrame">
+     <property name="frameShape">
+      <enum>QFrame::StyledPanel</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Raised</enum>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="QLabel" name="contextLabel">
+        <property name="text">
+         <string>Context</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QComboBox" name="contextComboBox"/>
+      </item>
+      <item>
+       <widget class="QDialogButtonBox" name="buttonBox">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="standardButtons">
+         <set>QDialogButtonBox::Close</set>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ImGuiDebugDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ImGuiDebugDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

scwx-qt/source/scwx/qt/ui/imgui_debug_widget.cpp

@@ -0,0 +1,56 @@
+#include <scwx/qt/ui/imgui_debug_widget.hpp>
+
+#include <imgui.h>
+#include <backends/imgui_impl_opengl3.h>
+#include <backends/imgui_impl_qt.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace ui
+{
+
+static const std::string logPrefix_ = "scwx::qt::ui::imgui_debug_widget";
+
+class ImGuiDebugWidgetImpl
+{
+public:
+   explicit ImGuiDebugWidgetImpl(ImGuiDebugWidget* self) : self_ {self}
+   {
+      // ImGui Configuration
+      auto& io = ImGui::GetIO();
+
+      // Initialize Qt backend
+      ImGui_ImplQt_RegisterWidget(self_);
+   }
+   ~ImGuiDebugWidgetImpl() {}
+
+   ImGuiDebugWidget* self_;
+};
+
+ImGuiDebugWidget::ImGuiDebugWidget(QWidget* parent) :
+    QOpenGLWidget(parent), p {std::make_unique<ImGuiDebugWidgetImpl>(this)}
+{
+}
+
+void ImGuiDebugWidget::initializeGL() {}
+
+void ImGuiDebugWidget::paintGL()
+{
+   ImGui_ImplQt_NewFrame(this);
+   ImGui_ImplOpenGL3_NewFrame();
+
+   ImGui::NewFrame();
+
+   ImGui::ShowDemoWindow();
+
+   ImGui::Render();
+   ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+}
+
+ImGuiDebugWidget::~ImGuiDebugWidget() {}
+
+} // namespace ui
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/ui/imgui_debug_widget.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QOpenGLWidget>
+
+namespace Ui
+{
+class ImGuiDebugWidget;
+}
+
+namespace scwx
+{
+namespace qt
+{
+namespace ui
+{
+
+class ImGuiDebugWidgetImpl;
+
+class ImGuiDebugWidget : public QOpenGLWidget
+{
+private:
+   Q_DISABLE_COPY(ImGuiDebugWidget)
+
+public:
+   explicit ImGuiDebugWidget(QWidget* parent = nullptr);
+   ~ImGuiDebugWidget();
+
+   void initializeGL() override;
+   void paintGL() override;
+
+private:
+   friend class ImGuiDebugWidgetImpl;
+   std::unique_ptr<ImGuiDebugWidgetImpl> p;
+};
+
+} // namespace ui
+} // namespace qt
+} // namespace scwx