Add an unlimited grid at the bottom of the window

This change's been unstaged since 2020 I think, it was
probably just to test the idea of having a bottom grid
acting as the general "database". It's working though it
needs changing, I'm committing it and will modify it
as needed in the future

src/qt/memoserv_win.cpp

@@ -28,6 +28,7 @@
 #include <QFileDialog>
 #include <QGridLayout>
 #include <QLabel>
+#include <QVBoxLayout>
 #include <memory>
 #include <filesystem>
 #include <cassert>
@@ -43,11 +44,20 @@ namespace {
 MemoservWin::MemoservWin(QApplication* app, QWidget *parent) :
     QMainWindow(parent),
 	m_main_lay(nullptr),
+	m_lower_grid(nullptr),
 	m_grid_count(0)
 {
-	m_main_lay = new QGridLayout;
+	auto vert_lay = std::make_unique<QVBoxLayout>();
+	{
+		m_main_lay = new QGridLayout;
+		vert_lay->addLayout(m_main_lay);
+	}
+
+	vert_lay->addWidget(m_lower_grid = new widget::BlockGrid(this, 0, 0, g_icon_fps));
+	m_lower_grid->set_icon_size(g_icon_size);
+
 	this->setCentralWidget(new QWidget);
-	this->centralWidget()->setLayout(m_main_lay);
+	this->centralWidget()->setLayout(vert_lay.release());
 
 	create_menu(app);
 }
@@ -97,6 +107,9 @@ void MemoservWin::open_file_from_dialog() {
 	);
 	load_memory_cards(files);
 
+	m_main_lay->setColumnStretch(m_grid_count, 1);
+}
+
 void MemoservWin::load_memory_cards (const QStringList& paths) {
 	using std::filesystem::path;
 
@@ -123,14 +136,13 @@ void MemoservWin::load_memory_cards (const QStringList& paths) {
 
 			for (std::size_t n = 0; block.has_magic() and n < block.block_count(); ++n) {
 				grid->push_back(make_qt_animation(block, g_icon_size, g_icon_size));
+				m_lower_grid->push_back(make_qt_animation(block, g_icon_size, g_icon_size));
 			}
 		}
 		m_main_lay->addWidget(grid.release(), 1, m_grid_count);
 
 		++m_grid_count;
 	}
-
-	m_main_lay->setColumnStretch(m_grid_count, 1);
 }
 
 void MemoservWin::show_version_info() {

src/qt/memoserv_win.hpp

@@ -31,6 +31,10 @@ class MemoryCard;
 
 namespace duck {
 
+namespace widget {
+class BlockGrid;
+} //namespace widget
+
 class MemoservWin : public QMainWindow
 {
     Q_OBJECT
@@ -49,6 +53,7 @@ private:
 	duck::BlockDb m_block_db;
 	std::list<mc::psx::MemoryCard> m_memcards;
 	QGridLayout* m_main_lay;
+	widget::BlockGrid* m_lower_grid;
 	unsigned int m_grid_count;
 };