New button "Clear" on tab "Send" to clear all fields (#919)

src/bitmessageqt/__init__.py

@@ -147,6 +147,8 @@ class MyForm(settingsmixin.SMainWindow):
             "clicked()"), self.click_pushButtonAddSubscription)
         QtCore.QObject.connect(self.ui.pushButtonTTL, QtCore.SIGNAL(
             "clicked()"), self.click_pushButtonTTL)
+        QtCore.QObject.connect(self.ui.pushButtonClear, QtCore.SIGNAL(
+            "clicked()"), self.click_pushButtonClear)
         QtCore.QObject.connect(self.ui.pushButtonSend, QtCore.SIGNAL(
             "clicked()"), self.click_pushButtonSend)
         QtCore.QObject.connect(self.ui.pushButtonFetchNamecoinID, QtCore.SIGNAL(
@@ -1840,7 +1842,6 @@ class MyForm(settingsmixin.SMainWindow):
     def rerenderSubscriptions(self):
         self.rerenderTabTreeSubscriptions()
 
-
     def click_pushButtonTTL(self):
         QtGui.QMessageBox.information(self, 'Time To Live', _translate(
             "MainWindow", """The TTL, or Time-To-Live is the length of time that the network will hold the message.
@@ -1848,6 +1849,12 @@ class MyForm(settingsmixin.SMainWindow):
  will resend the message automatically. The longer the Time-To-Live, the
  more work your computer must do to send the message. A Time-To-Live of four or five days is often appropriate."""), QtGui.QMessageBox.Ok)
 
+    def click_pushButtonClear(self):
+        self.ui.lineEditSubject.setText("")
+        self.ui.lineEditTo.setText("")
+        self.ui.textEditMessage.setText("")
+        self.ui.comboBoxSendFrom.setCurrentIndex(0)
+
     def click_pushButtonSend(self):
         encoding = 3 if QtGui.QApplication.queryKeyboardModifiers() & QtCore.Qt.ShiftModifier else 2
 

src/bitmessageqt/bitmessageui.py

@@ -337,6 +337,9 @@ class Ui_MainWindow(object):
         self.labelHumanFriendlyTTLDescription.setMinimumSize(QtCore.QSize(45, 0))
         self.labelHumanFriendlyTTLDescription.setObjectName(_fromUtf8("labelHumanFriendlyTTLDescription"))
         self.horizontalLayout_5.addWidget(self.labelHumanFriendlyTTLDescription, 1, QtCore.Qt.AlignLeft)
+        self.pushButtonClear = QtGui.QPushButton(self.send)
+        self.pushButtonClear.setObjectName(_fromUtf8("pushButtonClear"))
+        self.horizontalLayout_5.addWidget(self.pushButtonClear, 0, QtCore.Qt.AlignRight)
         self.pushButtonSend = QtGui.QPushButton(self.send)
         self.pushButtonSend.setObjectName(_fromUtf8("pushButtonSend"))
         self.horizontalLayout_5.addWidget(self.pushButtonSend, 0, QtCore.Qt.AlignRight)
@@ -701,6 +704,7 @@ class Ui_MainWindow(object):
         except:
             pass
         self.labelHumanFriendlyTTLDescription.setText(_translate("MainWindow", "%n hour(s)", None, QtCore.QCoreApplication.CodecForTr, hours))
+        self.pushButtonClear.setText(_translate("MainWindow", "Clear", None))
         self.pushButtonSend.setText(_translate("MainWindow", "Send", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.send), _translate("MainWindow", "Send", None))
         self.treeWidgetSubscriptions.headerItem().setText(0, _translate("MainWindow", "Subscriptions", None))