[shortcuts] add keyboard shortcuts

fixtracks/widgets/centralwidget.py

@@ -1,6 +1,7 @@
 import logging
-from PySide6.QtWidgets import QWidget, QStackedLayout, QSizePolicy
+from PySide6.QtWidgets import QWidget, QStackedLayout, QSizePolicy, QHBoxLayout, QPushButton
-from PySide6.QtCore import Qt
+from PySide6.QtCore import Qt, QSize
+from PySide6.QtGui import QIcon
 
 from fixtracks.widgets.tracks import FixTracks
 from fixtracks.widgets.detectionmerge import MergeDetections
@@ -15,6 +16,7 @@ class CentralWidget(QWidget):
 
         self._tw = TasksWidget(darkmode)
         self._tw.clicked.connect(self._select_task)
+        self._tw.opened.connect(self.on_open)
 
         self._mergewidget = MergeDetections(self)
         self._mergewidget.back.connect(self._on_back)
@@ -25,14 +27,40 @@ class CentralWidget(QWidget):
         self._trackwidget = FixTracks(self)
         self._trackwidget.back.connect(self._on_back)
 
+        convert = "convert"
+        convertBtn = QPushButton(QIcon(":/icons/convert_light"), "Convert")
+        convertBtn.setIconSize(QSize(128, 128))
+        convertBtn.clicked.connect(lambda: self._select_task(convert))
+        
+        merge = "merge"
+        mergeBtn = QPushButton(QIcon(":/icons/merge_light"), "Merge")
+        mergeBtn.setIconSize(QSize(128, 128))
+        mergeBtn.clicked.connect(lambda: self._select_task(merge))
+        
+        track = "track"
+        trackBtn = QPushButton(QIcon(":/icons/tracks_light"), "Track")
+        trackBtn.setIconSize(QSize(128, 128))
+        trackBtn.clicked.connect(lambda: self._select_task(track))
+
+        btnlyt = QHBoxLayout()
+        btnlyt.addWidget(convertBtn, alignment=Qt.AlignmentFlag.AlignCenter)
+        btnlyt.addWidget(mergeBtn, alignment=Qt.AlignmentFlag.AlignCenter)
+        btnlyt.addWidget(trackBtn, alignment=Qt.AlignmentFlag.AlignCenter)
+        taskgrid = QWidget()
+        taskgrid.setLayout(btnlyt)
+        
         layout = QStackedLayout()
         layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
         self._tasksindex = layout.addWidget(self._tw)
+        self._btnindex = layout.addWidget(taskgrid)
         self._convertindex = layout.addWidget(self._convertwidget)
         self._mergeindex = layout.addWidget(self._mergewidget)
         self._trackindex = layout.addWidget(self._trackwidget)
         self.setLayout(layout)
 
+    def on_open(self):
+        self.layout().setCurrentIndex(self._btnindex)
+
     def _select_task(self, s):
         logging.debug("Centralwidget: Selected task: %s", s)
         if "merge" in s.lower():

fixtracks/widgets/taskwidget.py

@@ -8,6 +8,7 @@ from PySide6.QtGui import QIcon, QAction
 
 class TasksWidget(QWidget):
     clicked = Signal((str,))
+    opened = Signal()
 
     def __init__(self, darkmode, parent = None):
         super().__init__(parent)
@@ -22,22 +23,26 @@ class TasksWidget(QWidget):
     def createActions(self):
         self._openAction = QAction(QIcon(":icons/open" + self._iconsuffix), "Open folder")
         self._openAction.setToolTip("Open data folder")
+        self._openAction.setShortcut("Ctrl+O")
         self._openAction.triggered.connect(self._on_open)
         self._openAction.setEnabled(True)
 
         self._convertAction = QAction(QIcon(":/icons/convert" + self._iconsuffix), "Convert")
         self._convertAction.setEnabled(True)
+        self._convertAction.setShortcut("F2")
         self._convertAction.setToolTip("Convert JSON pose files to to Pandas data frames")
         self._convertAction.triggered.connect(self._convert_clicked)
 
         self._mergeAction = QAction(QIcon(":/icons/merge" + self._iconsuffix), "Merge")
         self._mergeAction.setToolTip("Merge detections from two cameras to the same dataset")
+        self._mergeAction.setShortcut("F3")
         self._mergeAction.setEnabled(False)
         self._mergeAction.triggered.connect(self._merge_clicked)
 
         self._tracksAction =  QAction(QIcon(":/icons/tracks" + self._iconsuffix), "Tracks")
         self._tracksAction.setToolTip("Merge detections from two cameras to the same dataset")
         self._tracksAction.setEnabled(False)
+        self._tracksAction.setShortcut("F4")
         self._tracksAction.triggered.connect(self._tracks_clicked)
 
         self._menuActions["File"] = [self._openAction]
@@ -117,6 +122,7 @@ class TasksWidget(QWidget):
         if len(self._file_list) > 0:
             self._mergeAction.setEnabled(True)
             self._tracksAction.setEnabled(True)
+        self.opened.emit()
 
     @property
     def fileList(self):