le-yolo/labelImg-master/libs/labelDialog.py
2025-06-04 17:27:43 +08:00

84 lines
2.7 KiB
Python

try:
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
except ImportError:
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from libs.utils import newIcon, labelValidator
BB = QDialogButtonBox
class LabelDialog(QDialog):
def __init__(self, text="Enter object label", parent=None, listItem=None):
super(LabelDialog, self).__init__(parent)
self.edit = QLineEdit()
self.edit.setText(text)
self.edit.setValidator(labelValidator())
self.edit.editingFinished.connect(self.postProcess)
model = QStringListModel()
model.setStringList(listItem)
completer = QCompleter()
completer.setModel(model)
self.edit.setCompleter(completer)
layout = QVBoxLayout()
layout.addWidget(self.edit)
self.buttonBox = bb = BB(BB.Ok | BB.Cancel, Qt.Horizontal, self)
bb.button(BB.Ok).setIcon(newIcon('done'))
bb.button(BB.Cancel).setIcon(newIcon('undo'))
bb.accepted.connect(self.validate)
bb.rejected.connect(self.reject)
layout.addWidget(bb)
if listItem is not None and len(listItem) > 0:
self.listWidget = QListWidget(self)
for item in listItem:
self.listWidget.addItem(item)
self.listWidget.itemClicked.connect(self.listItemClick)
self.listWidget.itemDoubleClicked.connect(self.listItemDoubleClick)
layout.addWidget(self.listWidget)
self.setLayout(layout)
def validate(self):
try:
if self.edit.text().trimmed():
self.accept()
except AttributeError:
# PyQt5: AttributeError: 'str' object has no attribute 'trimmed'
if self.edit.text().strip():
self.accept()
def postProcess(self):
try:
self.edit.setText(self.edit.text().trimmed())
except AttributeError:
# PyQt5: AttributeError: 'str' object has no attribute 'trimmed'
self.edit.setText(self.edit.text())
def popUp(self, text='', move=True):
self.edit.setText(text)
self.edit.setSelection(0, len(text))
self.edit.setFocus(Qt.PopupFocusReason)
if move:
self.move(QCursor.pos())
return self.edit.text() if self.exec_() else None
def listItemClick(self, tQListWidgetItem):
try:
text = tQListWidgetItem.text().trimmed()
except AttributeError:
# PyQt5: AttributeError: 'str' object has no attribute 'trimmed'
text = tQListWidgetItem.text().strip()
self.edit.setText(text)
def listItemDoubleClick(self, tQListWidgetItem):
self.listItemClick(tQListWidgetItem)
self.validate()