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-rw-r--r--Tools/QtBiomeVisualiser/BiomeView.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/Tools/QtBiomeVisualiser/BiomeView.h b/Tools/QtBiomeVisualiser/BiomeView.h
index 8aae43df0..61bda45c2 100644
--- a/Tools/QtBiomeVisualiser/BiomeView.h
+++ b/Tools/QtBiomeVisualiser/BiomeView.h
@@ -49,6 +49,9 @@ protected:
/** Set to true when the user has a mouse button depressed, and is dragging the view. */
bool m_IsMouseDragging;
+ /** Accumulator for the mouse wheel's delta. When the accumulator hits a threshold, the view zooms. */
+ int m_MouseWheelDelta;
+
/** Data used for rendering a chunk that hasn't been loaded yet */
uchar m_EmptyChunkImage[16 * 16 * 4];
@@ -79,6 +82,12 @@ protected:
/** Called when the user presses a key. */
virtual void keyPressEvent(QKeyEvent * a_Event) override;
+
+ /** Decreases the zoom level and queues a redraw. */
+ void decreaseZoom();
+
+ /** Increases the zoom level and queues a redraw. */
+ void increaseZoom();
};