Added additional scroll functionality
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@ -130,8 +130,19 @@ class ImageViewScroll(Gtk.ScrolledWindow):
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adjustment.set_value(current_val - step_val)
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else: # NOTE: scroll right
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adjustment.set_value(current_val + step_val)
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elif event.state & accel_mask == Gdk.ModifierType.SHIFT_MASK:
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adjustment = self.get_vadjustment()
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current_val = adjustment.get_value()
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step_val = adjustment.get_step_increment()
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if direction > 0: # NOTE: scroll up
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adjustment.set_value(current_val + step_val)
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else: # NOTE: scroll down
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adjustment.set_value(current_val - step_val)
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else:
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if direction > 0:
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event_system.emit("zoom_out")
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else:
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event_system.emit("zoom_in")
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return True # NOTE: Stop event propigation
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