utils: Make hotspot in CursorTheme QPointF

As far as I know, the reason that the CursorTheme provides a QPoint
hotspot is mostly due to the historical reasons. At the time, all
hotspot math had relied upon integer hotspots. After
4cd25cf571 it is no longer the case.

src/utils/cursortheme.cpp

@@ -25,7 +25,7 @@ class CursorSpritePrivate : public QSharedData
 {
 public:
     QImage data;
-    QPoint hotspot;
+    QPointF hotspot;
     std::chrono::milliseconds delay;
 };
 
@@ -90,7 +90,7 @@ CursorSprite &CursorSprite::operator=(const CursorSprite &other)
     return *this;
 }
 
-CursorSprite::CursorSprite(const QImage &data, const QPoint &hotspot, const std::chrono::milliseconds &delay)
+CursorSprite::CursorSprite(const QImage &data, const QPointF &hotspot, const std::chrono::milliseconds &delay)
     : d(new CursorSpritePrivate)
 {
     d->data = data;
@@ -103,7 +103,7 @@ QImage CursorSprite::data() const
     return d->data;
 }
 
-QPoint CursorSprite::hotspot() const
+QPointF CursorSprite::hotspot() const
 {
     return d->hotspot;
 }

src/utils/cursortheme.h

@@ -39,7 +39,7 @@ public:
     /**
      * Constructs an CursorSprite with the specified @a data, @a hotspot, and @a delay.
      */
-    CursorSprite(const QImage &data, const QPoint &hotspot, const std::chrono::milliseconds &delay);
+    CursorSprite(const QImage &data, const QPointF &hotspot, const std::chrono::milliseconds &delay);
 
     /**
      * Destructs the CursorSprite object.
@@ -61,7 +61,7 @@ public:
      *
      * The coordinates of the hotspot are in device independent pixels.
      */
-    QPoint hotspot() const;
+    QPointF hotspot() const;
 
     /**
      * Returns the time interval between this sprite and the next one, in milliseconds.

src/utils/svgcursorreader.cpp

@@ -138,7 +138,7 @@ QList<CursorSprite> SvgCursorReader::load(const QString &containerPath, int desi
         renderer.render(&painter, bounds);
         painter.end();
 
-        sprites.append(CursorSprite(image, (entry.hotspot * scale).toPoint(), entry.delay));
+        sprites.append(CursorSprite(image, entry.hotspot * scale, entry.delay));
     }
 
     return sprites;

src/utils/xcursorreader.cpp

@@ -44,7 +44,7 @@ QList<CursorSprite> XCursorReader::load(const QString &filePath, int desiredSize
     for (int i = 0; i < images->nimage; ++i) {
         const XcursorImage *nativeCursorImage = images->images[i];
         const qreal scale = std::max(qreal(1), qreal(nativeCursorImage->size) / desiredSize);
-        const QPoint hotspot(nativeCursorImage->xhot, nativeCursorImage->yhot);
+        const QPointF hotspot(nativeCursorImage->xhot, nativeCursorImage->yhot);
         const std::chrono::milliseconds delay(nativeCursorImage->delay);
 
         QImage data(nativeCursorImage->width, nativeCursorImage->height, QImage::Format_ARGB32_Premultiplied);