Fix dragging events to negative coordinates

GriffinRichards · GriffinRichards · commit 0da6ae9b375f · 2025-06-22T00:20:16.000-04:00
diff --git a/src/core/metatile.cpp b/src/core/metatile.cpp
@@ -38,6 +38,8 @@ int Metatile::getIndexInTileset(int metatileId) {
 QPoint Metatile::coordFromPixmapCoord(const QPointF &pixelCoord) {
     int x = static_cast<int>(pixelCoord.x()) / 16;
     int y = static_cast<int>(pixelCoord.y()) / 16;
+    if (pixelCoord.x() < 0) x--;
+    if (pixelCoord.y() < 0) y--;
     return QPoint(x, y);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,8 @@ int Metatile::getIndexInTileset(int metatileId) {`
`38`	`38`	`QPoint Metatile::coordFromPixmapCoord(const QPointF &pixelCoord) {`
`39`	`39`	`int x = static_cast<int>(pixelCoord.x()) / 16;`
`40`	`40`	`int y = static_cast<int>(pixelCoord.y()) / 16;`
	`41`	`+ if (pixelCoord.x() < 0) x--;`
	`42`	`+ if (pixelCoord.y() < 0) y--;`
`41`	`43`	`return QPoint(x, y);`
`42`	`44`	`}`
`43`	`45`