Added a few more dialogs and models

dialogs/userdefinedconstantsdialog.cpp

@@ -0,0 +1,23 @@
+#include "userdefinedconstantsdialog.h"
+#include "ui_userdefinedconstantsdialog.h"
+
+#include "projectcontainer.h"
+#include "constantsmodel.h"
+
+UserDefinedConstantsDialog::UserDefinedConstantsDialog(ProjectContainer &project, QWidget *parent) :
+    QDialog{parent},
+    m_ui{std::make_unique<Ui::UserDefinedConstantsDialog>()},
+    m_project{project},
+    m_model{std::make_unique<ConstantsModel>(m_project, this)}
+{
+    m_ui->setupUi(this);
+
+    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"});
+
+    m_ui->treeView->setModel(m_model.get());
+}
+
+UserDefinedConstantsDialog::~UserDefinedConstantsDialog() = default;