Huge cleanups and added open gl window

src/editor/dialogs/createspritedialog.cpp

@@ -0,0 +1,35 @@
+#include "createspritedialog.h"
+#include "ui_createspritedialog.h"
+
+#include <QPushButton>
+
+CreateSpriteDialog::CreateSpriteDialog(QWidget *parent) :
+    QDialog{parent},
+    m_ui{std::make_unique<Ui::CreateSpriteDialog>()}
+{
+    m_ui->setupUi(this);
+
+#ifdef Q_OS_LINUX
+    setWindowFlags((windowFlags() & ~Qt::Dialog) | Qt::Window);
+#endif
+    setWindowFlag(Qt::WindowCloseButtonHint);
+
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Ok))
+        button->setIcon(QIcon{":/qtgameengine/icons/ok.png"});
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Cancel))
+        button->setIcon(QIcon{":/qtgameengine/icons/delete.png"});
+}
+
+CreateSpriteDialog::CreateSpriteDialog(const QSize &size, QWidget *parent) :
+    CreateSpriteDialog{parent}
+{
+    m_ui->spinBoxWidth->setValue(size.width());
+    m_ui->spinBoxHeight->setValue(size.height());
+}
+
+CreateSpriteDialog::~CreateSpriteDialog() = default;
+
+QSize CreateSpriteDialog::spriteSize() const
+{
+    return QSize{m_ui->spinBoxWidth->value(), m_ui->spinBoxHeight->value()};
+}