From 93cf929f29dea490ed60e5300cacdd99886c988e Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Sat, 9 Sep 2023 20:09:50 -0400
Subject: Add the standalone portion of mapman.

---
 mapman/src/sliceview.cpp | 101 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 mapman/src/sliceview.cpp

(limited to 'mapman/src/sliceview.cpp')

diff --git a/mapman/src/sliceview.cpp b/mapman/src/sliceview.cpp
new file mode 100644
index 0000000..1dc385b
--- /dev/null
+++ b/mapman/src/sliceview.cpp
@@ -0,0 +1,101 @@
+#include "sliceview.hpp"
+#include "library.hpp"
+#include "painter.hpp"
+#include "utils.hpp"
+
+#include <QListView>
+#include <QGraphicsView>
+#include <QStandardItemModel>
+#include <QSplitter>
+#include <QDrag>
+#include <QMimeData>
+#include <QEvent>
+#include <QMouseEvent>
+#include <QApplication>
+#include <qnamespace.h>
+
+slice_view::slice_view() : l(nullptr)
+{
+    lv = new QListView(this);
+    m = new QStandardItemModel(this);
+    lv->setModel(m);
+    lv->setSelectionMode(QAbstractItemView::SelectionMode::SingleSelection);
+    lv->setDragDropMode(QAbstractItemView::DragDropMode::NoDragDrop);
+    lv->viewport()->installEventFilter(this);
+    p = new map_painter();
+    p->set_dimension(1, 1);
+    auto layout = new QSplitter(Qt::Orientation::Horizontal, this);
+    layout->setContentsMargins(6, 6, 6, 6);
+    layout->addWidget(lv);
+    layout->addWidget(p->view());
+    layout->setStretchFactor(0, 1);
+    layout->setStretchFactor(1, 3);
+    layout->setCollapsible(0, false);
+    layout->setCollapsible(1, false);
+    this->setWidget(layout);
+    connect(lv->selectionModel(), &QItemSelectionModel::currentChanged,
+        [this](const QModelIndex &cur, const QModelIndex&) {
+            if (this->l)
+                this->p->set_map_id(0, true, cur.data(Qt::UserRole + 1).toInt());
+        });
+    connect(lv, &QAbstractItemView::pressed,
+        [this](const QModelIndex &idx) {
+            dragidx = idx;
+        });
+    this->setWindowTitle("Map listings");
+    this->setAttribute(Qt::WA_DeleteOnClose, false);
+}
+
+slice_view::~slice_view()
+{
+    delete p;
+}
+
+void slice_view::set_library(map_library *lib)
+{
+    l = lib;
+    p->set_map_library(l);
+    refresh();
+}
+
+bool slice_view::eventFilter(QObject *o, QEvent *e)
+{
+    if (e->type() == QEvent::MouseButtonRelease)
+        dragidx = QModelIndex();
+    if (e->type() == QEvent::MouseButtonPress)
+        dragpos = static_cast<QMouseEvent*>(e)->screenPos();
+    if (e->type() == QEvent::MouseMove)
+    {
+        auto pos = static_cast<QMouseEvent*>(e)->screenPos();
+        if (dragidx.isValid() && (pos - dragpos).manhattanLength() >= QApplication::startDragDistance())
+        {
+            auto *d = new QDrag(lv);
+            int mapid = dragidx.data(Qt::ItemDataRole::UserRole + 1).toInt();
+            d->setPixmap(qvariant_cast<QIcon>(dragidx.data(Qt::ItemDataRole::DecorationRole)).pixmap(128, 128));
+            auto *m = new QMimeData();
+            m->setData("application/x-map-id", QByteArray(reinterpret_cast<char*>(&mapid), 4));
+            d->setMimeData(m);
+            d->exec(Qt::DropAction::CopyAction);
+        }
+    }
+    return false;
+}
+
+void slice_view::refresh()
+{
+    int curid = lv->currentIndex().data().toInt();
+    m->clear();
+    auto ids = l->map_ids();
+    for (auto id : ids)
+    {
+        map_t map = l->get_map(id);
+        QPixmap pm = pixmap_of_map_data(map.map_data);
+        QString text = QString("(%1)").arg(id);
+        if (map.custom_name.length()) text = QString::fromStdString(map.custom_name) + " " + text;
+        QStandardItem *itm = new QStandardItem(QIcon(pm), text);
+        itm->setData(QVariant(id));
+        m->appendRow(itm);
+        if (id == curid)
+            lv->setCurrentIndex(itm->index());
+    }
+}
-- 
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