From 4e87fdd5feee63df0b71459cd044bcf83d6ec86b Mon Sep 17 00:00:00 2001
From: Vadim Peretokin <vperetokin@gmail.com>
Date: Thu, 4 Oct 2018 08:09:36 +0200
Subject: [PATCH] Add feature: visual room creation (#2015)

* Added 'create room here' for the current players area

* Allow creation of rooms in other areas

* Make menu action translatable
---
 src/T2DMap.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 src/T2DMap.h   |  8 +++++++-
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/src/T2DMap.cpp b/src/T2DMap.cpp
index 2e267b7c9..6dbd9e767 100644
--- a/src/T2DMap.cpp
+++ b/src/T2DMap.cpp
@@ -2644,6 +2644,13 @@ void T2DMap::mousePressEvent(QMouseEvent* event)
                 return;
             }
 
+            if (mMultiSelectionSet.isEmpty()) {
+                mpCreateRoomAction = new QAction(tr("create room", "Menu option to create a new room in the mapper"), this);
+                mpCreateRoomAction->setToolTip(tr("Create a new room here"));
+                connect(mpCreateRoomAction.data(), &QAction::triggered, this, &T2DMap::slot_createRoom);
+                popup->addAction(mpCreateRoomAction);
+            }
+
             auto moveRoom = new QAction("move", this);
             moveRoom->setToolTip(tr("Move room"));
             connect(moveRoom, SIGNAL(triggered()), this, SLOT(slot_moveRoom()));
@@ -2864,6 +2871,44 @@ void T2DMap::mousePressEvent(QMouseEvent* event)
     update();
 }
 
+// returns the current mouse position as X, Y coordinates on the map
+std::pair<int, int> T2DMap::getMousePosition()
+{
+    QPoint mousePosition = this->mapFromGlobal(QCursor::pos());
+
+    float mx = (mousePosition.x() / mRoomWidth) + mOx - (xspan / 2.0);
+    float my = (yspan / 2.0) - (mousePosition.y() / mRoomHeight) - mOy;
+
+    return make_pair(std::round(mx), std::round(my));
+}
+
+void T2DMap::slot_createRoom()
+{
+    if (!mpHost) {
+        return;
+    }
+
+    auto roomID = mpHost->mpMap->createNewRoomID();
+    if (!mpHost->mpMap->addRoom(roomID)) {
+        return;
+    }
+
+    mpHost->mpMap->setRoomArea(roomID, mAreaID, false);
+
+    auto mousePosition = getMousePosition();
+    mpHost->mpMap->setRoomCoordinates(roomID, mousePosition.first, mousePosition.second, mOz);
+
+    mpHost->mpMap->mMapGraphNeedsUpdate = true;
+    if (mpHost->mpMap->mpM) {
+        mpHost->mpMap->mpM->update();
+    }
+    if (mpHost->mpMap->mpMapper->mp2dMap) {
+        mpHost->mpMap->mpMapper->mp2dMap->isCenterViewCall = true;
+        mpHost->mpMap->mpMapper->mp2dMap->update();
+        mpHost->mpMap->mpMapper->mp2dMap->isCenterViewCall = false;
+    }
+}
+
 // Used both by "properties..." context menu item for existing lines AND
 // during drawing new ones.
 void T2DMap::slot_customLineProperties()
diff --git a/src/T2DMap.h b/src/T2DMap.h
index 857f629de..c4764eceb 100644
--- a/src/T2DMap.h
+++ b/src/T2DMap.h
@@ -154,7 +154,6 @@ public:
     QString mHelpMsg;
 
 public slots:
-
     void slot_roomSelectionChanged();
     void slot_deleteCustomExitLine();
     void slot_moveLabel();
@@ -230,6 +229,13 @@ private:
     QCache<QString, QPixmap> mSymbolPixmapCache;
     ushort mSymbolFontSize;
     QFont mMapSymbolFont;
+
+    QPointer<QAction> mpCreateRoomAction;
+
+    std::pair<int, int> getMousePosition();
+
+private slots:
+    void slot_createRoom();
 };
 
 #endif // MUDLET_T2DMAP_H