Add current mouse position to status bar

sloth/gui/annotationscene.py

@@ -9,6 +9,7 @@ import logging
 LOG = logging.getLogger(__name__)
 
 class AnnotationScene(QGraphicsScene):
+    mousePositionChanged = pyqtSignal(float, float)
     def __init__(self, labeltool, items=None, inserters=None, parent=None):
         super(AnnotationScene, self).__init__(parent)
 
@@ -162,7 +163,9 @@ class AnnotationScene(QGraphicsScene):
             QGraphicsScene.mouseReleaseEvent(self, event)
 
     def mouseMoveEvent(self, event):
-        # print "mouseMoveEvent", self.sceneRect().contains(event.scenePos()), event.scenePos()
+        sp = event.scenePos()
+        self.mousePositionChanged.emit(sp.x(), sp.y())
+        LOG.debug("mouseMoveEvent %s %s" % (self.sceneRect().contains(event.scenePos()), event.scenePos()))
         if self.inserter_ is not None:
             # insert mode
             self.inserter_.mouseMoveEvent(event, self.image_item_)

sloth/gui/labeltool.py

@@ -3,7 +3,7 @@ import os
 import functools
 import fnmatch
 from PyQt4.QtGui import QMainWindow, QSizePolicy, QWidget, QVBoxLayout, QAction,\
-        QKeySequence, QLabel, QItemSelectionModel, QMessageBox, QFileDialog
+        QKeySequence, QLabel, QItemSelectionModel, QMessageBox, QFileDialog, QFrame
 from PyQt4.QtCore import SIGNAL, QSettings, QSize, QPoint, QVariant, QFileInfo
 import PyQt4.uic as uic
 from sloth.gui import qrc_icons  # needed for toolbar icons
@@ -45,6 +45,9 @@ class MainWindow(QMainWindow):
         else:
             self.setWindowTitle("%s - Unnamed %s" % (APP_NAME, postfix))
 
+    def onMousePositionChanged(self, x, y):
+        self.posinfo.setText("%d, %d" % (x, y))
+
     def onAnnotationsLoaded(self):
         self.labeltool.model().dirtyChanged.connect(self.onModelDirtyChanged)
         self.onModelDirtyChanged(self.labeltool.model().dirty())
@@ -145,6 +148,11 @@ class MainWindow(QMainWindow):
         self.scene.selectionChanged.connect(self.scene.onSelectionChanged)
         self.treeview.selectedItemsChanged.connect(self.scene.onSelectionChangedInTreeView)
 
+        self.posinfo = QLabel("-1, -1")
+        self.posinfo.setFrameStyle(QFrame.StyledPanel)
+        self.statusBar().addPermanentWidget(self.posinfo)
+        self.scene.mousePositionChanged.connect(self.onMousePositionChanged)
+
         self.image_resolution = QLabel("[no image]")
         self.image_resolution.setFrameStyle(QFrame.StyledPanel)
         self.statusBar().addPermanentWidget(self.image_resolution)