move network dialog in a new class; simplify interface.get_servers

gui/qt_util.py

@@ -0,0 +1,30 @@
+from i18n import _
+from PyQt4.QtGui import *
+from PyQt4.QtCore import *
+
+def ok_cancel_buttons(dialog, ok_label=_("OK") ):
+    hbox = QHBoxLayout()
+    hbox.addStretch(1)
+    b = QPushButton(_("Cancel"))
+    hbox.addWidget(b)
+    b.clicked.connect(dialog.reject)
+    b = QPushButton(ok_label)
+    hbox.addWidget(b)
+    b.clicked.connect(dialog.accept)
+    b.setDefault(True)
+    return hbox
+
+def text_dialog(parent, title, label, ok_label):
+    dialog = QDialog(parent)
+    dialog.setMinimumWidth(500)
+    dialog.setWindowTitle(title)
+    dialog.setModal(1)
+    l = QVBoxLayout()
+    dialog.setLayout(l)
+    l.addWidget(QLabel(label))
+    txt = QTextEdit()
+    l.addWidget(txt)
+    l.addLayout(ok_cancel_buttons(dialog, ok_label))
+    if dialog.exec_():
+        return unicode(txt.toPlainText())
+