I hate to ask for help debugging this code, but this is my first little pyqt
project, and I'm stumped.
This little form has a text input widget, and a button marked 'dowload'. I
connected the text input "returnPressed" to one method, and connected the
download button "clicked" to another method.
When I hit return in the text input, both methods trigger! Can anyone give me
a hint?
#!/usr/bin/env python
"""PyQt4 port of the dialogs/findfiles example from Qt v4.x"""
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
class Form (QDialog):
def __init__(self, parent=None):
super (Form, self).__init__(parent)
self.addr_label = QLabel(self.tr("addr:"))
self.addr_edit = QLineEdit ("0x")
addr_reg = QRegExp (r'0x[0-9a-f]*')
self.addr_edit.setValidator (QRegExpValidator (addr_reg, self))
addr_layout = QHBoxLayout()
##addr_layout.addStretch()
addr_layout.addWidget(self.addr_label)
addr_layout.addWidget(self.addr_edit)
self.val_label = QLabel(self.tr("value:"))
self.val_edit = QLineEdit ("0x")
val_reg = QRegExp (r'0x[0-9a-f]*')
self.val_edit.setValidator (QRegExpValidator (val_reg, self))
val_layout = QHBoxLayout()
val_layout.addWidget(self.val_label)
val_layout.addWidget(self.val_edit)
layout = QVBoxLayout()
layout.addLayout (addr_layout)
layout.addLayout (val_layout)
addr_val_box = QGroupBox ("Register")
addr_val_box.setLayout (layout)
quit_button = QPushButton ("Quit")
dl_button = QPushButton ("DownLoad")
button_layout = QHBoxLayout()
button_layout.addStretch()
button_layout.addWidget (dl_button)
button_layout.addWidget (quit_button)
top_layout = QVBoxLayout()
top_layout.addWidget (addr_val_box)
top_layout.addLayout (button_layout)
self.setLayout(top_layout)
self.connect (self.addr_edit, SIGNAL ("returnPressed()"), self.accept)
self.connect (dl_button, SIGNAL ("clicked()"), self.download_button)
self.connect (quit_button, SIGNAL ("clicked()"), qApp, SLOT("quit()"))
def accept (self):
print "accept", self.addr_edit.text()
return
def download_button (self):
fileName = QFileDialog.getOpenFileName(self, "Open Image", "/home/nbecker", "Image Files (*.png *.jpg *.bmp)")
return
if __name__ == '__main__':
app = QApplication(sys.argv)
form = Form()
form.show()
sys.exit(app.exec_())
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