From 1b51d5ba20583ef2106b4db52e081caf5cda7832 Mon Sep 17 00:00:00 2001
From: parker <parker.g.britt@gmail.com>
Date: Tue, 24 Jun 2025 20:10:20 +0100
Subject: [PATCH] feat: add opengl widget

---
 CMakeLists.txt                    |  4 ++--
 src/gui/viewport/OpenGLWidget.cpp |  0
 src/gui/viewport/OpenGLWidget.h   | 31 +++++++++++++++++++++++++++++++
 src/gui/viewport/Viewport.cpp     | 14 ++++++++++++++
 src/gui/viewport/Viewport.h       |  7 +++++++
 5 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 src/gui/viewport/OpenGLWidget.cpp
 create mode 100644 src/gui/viewport/OpenGLWidget.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1eafd22..be05445 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ project(enzo_project)
 
 
 # qt
-find_package(Qt6 REQUIRED COMPONENTS Core Widgets SvgWidgets)
+find_package(Qt6 REQUIRED COMPONENTS Core Widgets SvgWidgets OpenGLWidgets)
 qt_standard_project_setup()
 
 
@@ -31,7 +31,7 @@ qt_add_executable(${AppExec}
     src/gui/network/NodeIconGraphic.cpp
 )
 
-target_link_libraries(${AppExec} PRIVATE Qt6::Core Qt6::Widgets Qt6::SvgWidgets)
+target_link_libraries(${AppExec} PRIVATE Qt6::Core Qt6::Widgets Qt6::SvgWidgets Qt6::OpenGLWidgets)
 target_include_directories(${AppExec} PUBLIC src)
 
 # tests
diff --git a/src/gui/viewport/OpenGLWidget.cpp b/src/gui/viewport/OpenGLWidget.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/gui/viewport/OpenGLWidget.h b/src/gui/viewport/OpenGLWidget.h
new file mode 100644
index 0000000..9cf586b
--- /dev/null
+++ b/src/gui/viewport/OpenGLWidget.h
@@ -0,0 +1,31 @@
+#include <QOpenGLWidget>
+#include <QOpenGLFunctions>
+
+class MyGLWidget : public QOpenGLWidget
+{
+public:
+    MyGLWidget(QWidget *parent) : QOpenGLWidget(parent) { }
+
+protected:
+    void initializeGL() override
+    {
+        // Set up the rendering context, load shaders and other resources, etc.:
+        QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
+        f->glClearColor(0.16f, 0.16f, 0.16f, 1.0f);
+    }
+
+    void resizeGL(int w, int h) override
+    {
+        // // Update projection matrix and other size related settings:
+        // m_projection.setToIdentity();
+        // m_projection.perspective(45.0f, w / float(h), 0.01f, 100.0f);
+    }
+
+    void paintGL() override
+    {
+        // Draw the scene:
+        QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
+        f->glClear(GL_COLOR_BUFFER_BIT);
+    }
+
+};
diff --git a/src/gui/viewport/Viewport.cpp b/src/gui/viewport/Viewport.cpp
index e69de29..d7f9e65 100644
--- a/src/gui/viewport/Viewport.cpp
+++ b/src/gui/viewport/Viewport.cpp
@@ -0,0 +1,14 @@
+#include "gui/viewport/Viewport.h"
+#include <qboxlayout.h>
+#include <qpushbutton.h>
+
+Viewport::Viewport(QWidget *parent, Qt::WindowFlags f)
+: QWidget(parent, f)
+{
+    mainLayout_=new QVBoxLayout();
+    openGLWidget_ = new MyGLWidget(this);
+    mainLayout_->addWidget(openGLWidget_);
+
+    setLayout(mainLayout_);
+}
+
diff --git a/src/gui/viewport/Viewport.h b/src/gui/viewport/Viewport.h
index dc6d052..b4d5e67 100644
--- a/src/gui/viewport/Viewport.h
+++ b/src/gui/viewport/Viewport.h
@@ -1,8 +1,15 @@
 #pragma once
+#include <qboxlayout.h>
 #include <qwidget.h>
+#include "gui/viewport/OpenGLWidget.h"
 
 class Viewport
 : public QWidget
 {
+public:
+    Viewport(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+private:
+    QVBoxLayout* mainLayout_;
+    MyGLWidget* openGLWidget_;
 
 };