from PyQt4.QtCore import *
import os.path
import time
-
+import traceback
+import sys
import threading
-class WaitingDialog(QDialog):
- def __init__(self, parent, message):
- QDialog.__init__(self, parent)
- self.setWindowTitle('Please wait')
+class WaitingDialog(QThread):
+ def __init__(self, parent, message, run_task, on_complete=None):
+ QThread.__init__(self)
+ self.parent = parent
+ self.d = QDialog(parent)
+ self.d.setWindowTitle('Please wait')
l = QLabel(message)
- vbox = QVBoxLayout(self)
+ vbox = QVBoxLayout(self.d)
vbox.addWidget(l)
- self.show()
+ self.run_task = run_task
+ self.on_complete = on_complete
+ self.d.connect(self.d, SIGNAL('done'), self.close)
+ self.d.show()
- def start(self, run_thread, on_complete=None):
- def my_thread():
- self.result = run_thread()
- self.emit(SIGNAL('done'))
- self.accept()
+ def run(self):
+ self.error = None
+ try:
+ self.result = self.run_task()
+ except Exception as e:
+ traceback.print_exc(file=sys.stdout)
+ self.error = str(e)
+ self.d.emit(SIGNAL('done'))
+
+ def close(self):
+ self.d.accept()
+ if self.error:
+ QMessageBox.warning(self.parent, _('Error'), self.error, _('OK'))
+ return
- if on_complete:
- self.connect(self, SIGNAL('done'), lambda: on_complete(*self.result))
-
- threading.Thread(target=my_thread).start()
+ if self.on_complete:
+ if type(self.result) is tuple:
+ self.on_complete(*self.result)
+ else:
+ self.on_complete(self.result)
class HelpButton(QPushButton):
def __init__(self, text):
QPushButton.__init__(self, '?')
+ self.help_text = text
self.setFocusPolicy(Qt.NoFocus)
self.setFixedWidth(20)
- self.clicked.connect(lambda: QMessageBox.information(self, 'Help', text, 'OK') )
+ self.alt = None
+ self.clicked.connect(self.onclick)
+
+ def set_alt(self, func):
+ self.alt = func
+ def onclick(self):
+ if self.alt:
+ apply(self.alt)
+ else:
+ QMessageBox.information(self, 'Help', self.help_text, 'OK')
hbox, b = ok_cancel_buttons2(dialog, ok_label)
return hbox
+def line_dialog(parent, title, label, ok_label, default=None):
+ dialog = QDialog(parent)
+ dialog.setMinimumWidth(500)
+ dialog.setWindowTitle(title)
+ dialog.setModal(1)
+ l = QVBoxLayout()
+ dialog.setLayout(l)
+ l.addWidget(QLabel(label))
+ txt = QLineEdit()
+ if default:
+ txt.setText(default)
+ l.addWidget(txt)
+ l.addLayout(ok_cancel_buttons(dialog, ok_label))
+ if dialog.exec_():
+ return unicode(txt.text())
+
def text_dialog(parent, title, label, ok_label, default=None):
+ from qrtextedit import QRTextEdit
dialog = QDialog(parent)
dialog.setMinimumWidth(500)
dialog.setWindowTitle(title)
l = QVBoxLayout()
dialog.setLayout(l)
l.addWidget(QLabel(label))
- txt = QTextEdit()
+ txt = QRTextEdit()
if default:
txt.setText(default)
l.addWidget(txt)
if __name__ == "__main__":
app = QApplication([])
- WaitingDialog(None, 'testing ...').start(lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done", _('OK')))
+ t = WaitingDialog(None, 'testing ...', lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done", _('OK')))
+ t.start()
app.exec_()