From e8f7284bbbc138bdb93699b805e2d9d5ff3d5634 Mon Sep 17 00:00:00 2001
From: nilsonholger <nilsonholger@hyve.org>
Date: Wed, 3 Aug 2016 18:57:11 +0200
Subject: [PATCH] cursor is cross while making/editing labels, change zoom
 behaviour, thx @isaacgerg

---
 sloth/gui/annotationscene.py | 4 ++++
 sloth/gui/frameviewer.py     | 7 ++++++-
 sloth/items/inserters.py     | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/sloth/gui/annotationscene.py b/sloth/gui/annotationscene.py
index 3716bdb..7e9a366 100644
--- a/sloth/gui/annotationscene.py
+++ b/sloth/gui/annotationscene.py
@@ -142,10 +142,14 @@ class AnnotationScene(QGraphicsScene):
         self._labeltool.currentImageChanged.connect(inserter.imageChange)
         self._inserter = inserter
         LOG.debug("Created inserter for class '%s' with default properties '%s'" % (label_class, default_properties))
+        # Change cursor to cross
+        self.views()[0].viewport().setCursor(Qt.CrossCursor)
+
 
     def onInsertionModeEnded(self):
         if self._inserter is not None:
             self._inserter.abort()
+        self.views()[0].viewport().setCursor(Qt.ArrowCursor)
 
     #
     # common methods
diff --git a/sloth/gui/frameviewer.py b/sloth/gui/frameviewer.py
index 2525b95..8c85e8c 100644
--- a/sloth/gui/frameviewer.py
+++ b/sloth/gui/frameviewer.py
@@ -27,6 +27,11 @@ class GraphicsView(QGraphicsView):
         self._panStartX = -1
         self._panStartY = -1
 
+        # Windows photo viewer like controls
+        self.setRenderHints(QPainter.Antialiasing|QPainter.SmoothPixmapTransform)
+        self.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
+        self.setDragMode(QGraphicsView.ScrollHandDrag)
+
     def fitInView(self):
         if self.scene() is None:
             return
@@ -207,4 +212,4 @@ class MultiFrameEqualViewer(FrameViewer):
                 self.activateSceneView(index)
 
     def getActiveSceneView(self):
-        return self.scene_views[self.active_scene_view]
\ No newline at end of file
+        return self.scene_views[self.active_scene_view]
diff --git a/sloth/items/inserters.py b/sloth/items/inserters.py
index 77e7656..371c2a4 100644
--- a/sloth/items/inserters.py
+++ b/sloth/items/inserters.py
@@ -146,6 +146,7 @@ class RectItemInserter(ItemInserter):
             self._item = None
 
         self._aiming = True
+        self._scene.views()[0].viewport().setCursor(Qt.CrossCursor)
         event.accept()
 
     def allowOutOfSceneEvents(self):