From b39906c03f178527916fefb5210fc919f11afc4f Mon Sep 17 00:00:00 2001
From: GriffinR <griffin.g.richards@gmail.com>
Date: Fri, 10 Dec 2021 16:09:06 -0500
Subject: [PATCH] Add onMapShifted to API

---
 include/scripting.h      |  2 ++
 src/scripting.cpp        | 11 +++++++++++
 src/ui/mappixmapitem.cpp |  2 ++
 3 files changed, 15 insertions(+)

diff --git a/include/scripting.h b/include/scripting.h
index d9cfb91a..6983b4ee 100644
--- a/include/scripting.h
+++ b/include/scripting.h
@@ -14,6 +14,7 @@ enum CallbackType {
     OnBlockChanged,
     OnMapOpened,
     OnMapResized,
+    OnMapShifted,
     OnTilesetUpdated,
     OnTabChanged,
 };
@@ -38,6 +39,7 @@ public:
     static void cb_MetatileChanged(int x, int y, Block prevBlock, Block newBlock);
     static void cb_MapOpened(QString mapName);
     static void cb_MapResized(int oldWidth, int oldHeight, int newWidth, int newHeight);
+    static void cb_MapShifted(int xDelta, int yDelta);
     static void cb_TilesetUpdated(QString tilesetName);
     static void cb_TabChanged(int oldTab, int newTab);
     static bool tryErrorJS(QJSValue js);
diff --git a/src/scripting.cpp b/src/scripting.cpp
index 028d6127..3dd6ce51 100644
--- a/src/scripting.cpp
+++ b/src/scripting.cpp
@@ -7,6 +7,7 @@ QMap<CallbackType, QString> callbackFunctions = {
     {OnBlockChanged, "onBlockChanged"},
     {OnMapOpened, "onMapOpened"},
     {OnMapResized, "onMapResized"},
+    {OnMapShifted, "onMapShifted"},
     {OnTilesetUpdated, "onTilesetUpdated"},
     {OnTabChanged, "onTabChanged"},
 };
@@ -155,6 +156,16 @@ void Scripting::cb_MapResized(int oldWidth, int oldHeight, int newWidth, int new
     instance->invokeCallback(OnMapResized, args);
 }
 
+void Scripting::cb_MapShifted(int xDelta, int yDelta) {
+    if (!instance) return;
+
+    QJSValueList args {
+        xDelta,
+        yDelta,
+    };
+    instance->invokeCallback(OnMapShifted, args);
+}
+
 void Scripting::cb_TilesetUpdated(QString tilesetName) {
     if (!instance) return;
 
diff --git a/src/ui/mappixmapitem.cpp b/src/ui/mappixmapitem.cpp
index 0d22b9b7..442db844 100644
--- a/src/ui/mappixmapitem.cpp
+++ b/src/ui/mappixmapitem.cpp
@@ -1,6 +1,7 @@
 #include "mappixmapitem.h"
 #include "metatile.h"
 #include "log.h"
+#include "scripting.h"
 
 #include "editcommands.h"
 
@@ -95,6 +96,7 @@ void MapPixmapItem::shift(int xDelta, int yDelta, bool fromScriptCall) {
     }
 
     if (!fromScriptCall && map->layout->blockdata != oldMetatiles) {
+        Scripting::cb_MapShifted(xDelta, yDelta);
         map->editHistory.push(new ShiftMetatiles(map, oldMetatiles, map->layout->blockdata, actionId_));
     }
 }