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[electrum-nvc.git] / gui / qt / util.py

diff --git a/gui/qt/util.py b/gui/qt/util.py
index 0c8334b..9842f05 100644 (file)
--- a/gui/qt/util.py
+++ b/gui/qt/util.py
@@ -9,21 +9,26 @@ import threading
 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.d)
         vbox.addWidget(l)
         self.run_task = run_task
-        if on_complete:
-            self.d.connect(self.d, SIGNAL('done'), lambda: on_complete(*self.result))
+        self.on_complete = on_complete
+        self.d.connect(self.d, SIGNAL('done'), self.close)
         self.d.show()
 
     def run(self):
         self.result = self.run_task()
         self.d.emit(SIGNAL('done'))
+
+    def close(self):
         self.d.accept()
-        
+        if self.on_complete:
+            self.on_complete(*self.result)
+
 
 
 class Timer(QThread):
@@ -50,10 +55,20 @@ class EnterButton(QPushButton):
 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')
 
 
 
@@ -184,5 +199,6 @@ class MyTreeWidget(QTreeWidget):
 
 if __name__ == "__main__":
     app = QApplication([])
-    WaitingDialog(None, 'testing ...', lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done", _('OK'))).start()
+    t = WaitingDialog(None, 'testing ...', lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done", _('OK')))
+    t.start()
     app.exec_()