[NEW FEATURE] Implemented the indicator in tray icon that there are unread messages.

src/bitmessagemain.py

@@ -516,6 +516,7 @@ class MySimpleXMLRPCRequestHandler(SimpleXMLRPCRequestHandler):
                 # UPDATE is slow, only update if status is different
                 if queryreturn != [] and (queryreturn[0][0] == 1) != readStatus:
                     sqlExecute('''UPDATE inbox set read = ? WHERE msgid=?''', readStatus, msgid)
+                    shared.UISignalQueue.put(('changedInboxUnread', None))
             queryreturn = sqlQuery('''SELECT msgid, toaddress, fromaddress, subject, received, message, encodingtype, read FROM inbox WHERE msgid=?''', msgid)
             data = '{"inboxMessage":['
             for row in queryreturn:

src/bitmessageqt/__init__.py

@@ -609,6 +609,8 @@ class MyForm(QtGui.QMainWindow):
             "updateNumberOfBroadcastsProcessed()"), self.updateNumberOfBroadcastsProcessed)
         QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
             "setStatusIcon(PyQt_PyObject)"), self.setStatusIcon)
+        QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
+            "changedInboxUnread(PyQt_PyObject)"), self.changedInboxUnread)
         QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
             "rerenderInboxFromLabels()"), self.rerenderInboxFromLabels)
         QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
@@ -980,8 +982,7 @@ class MyForm(QtGui.QMainWindow):
 
     # create application indicator
     def appIndicatorInit(self, app):
-        self.tray = QSystemTrayIcon(QtGui.QIcon(
-            ":/newPrefix/images/can-icon-24px-red.png"), app)
+        self.initTrayIcon("can-icon-24px-red.png", app)
         if sys.platform[0:3] == 'win':
             traySignal = "activated(QSystemTrayIcon::ActivationReason)"
             QtCore.QObject.connect(self.tray, QtCore.SIGNAL(
@@ -1539,8 +1540,7 @@ class MyForm(QtGui.QMainWindow):
             if self.actionStatus is not None:
                 self.actionStatus.setText(_translate(
                     "MainWindow", "Not Connected"))
-                self.tray.setIcon(QtGui.QIcon(
-                    ":/newPrefix/images/can-icon-24px-red.png"))
+                self.setTrayIconFile("can-icon-24px-red.png")
         if color == 'yellow':
             if self.statusBar().currentMessage() == 'Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.':
                 self.statusBar().showMessage('')
@@ -1557,8 +1557,7 @@ class MyForm(QtGui.QMainWindow):
             if self.actionStatus is not None:
                 self.actionStatus.setText(_translate(
                     "MainWindow", "Connected"))
-                self.tray.setIcon(QtGui.QIcon(
-                    ":/newPrefix/images/can-icon-24px-yellow.png"))
+                self.setTrayIconFile("can-icon-24px-yellow.png")
         if color == 'green':
             if self.statusBar().currentMessage() == 'Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.':
                 self.statusBar().showMessage('')
@@ -1574,8 +1573,59 @@ class MyForm(QtGui.QMainWindow):
             if self.actionStatus is not None:
                 self.actionStatus.setText(_translate(
                     "MainWindow", "Connected"))
-                self.tray.setIcon(QtGui.QIcon(
-                    ":/newPrefix/images/can-icon-24px-green.png"))
+                self.setTrayIconFile("can-icon-24px-green.png")
+
+    def initTrayIcon(self, iconFileName, app):
+        self.currentTrayIconFileName = iconFileName
+        self.tray = QSystemTrayIcon(
+            self.calcTrayIcon(iconFileName, self.findInboxUnreadCount()), app)
+
+    def setTrayIconFile(self, iconFileName):
+        self.currentTrayIconFileName = iconFileName
+        self.drawTrayIcon(iconFileName, self.findInboxUnreadCount())
+
+    def calcTrayIcon(self, iconFileName, inboxUnreadCount):
+        pixmap = QtGui.QPixmap(":/newPrefix/images/"+iconFileName)
+        if inboxUnreadCount > 0:
+            # choose font and calculate font parameters
+            fontName = "Lucida"
+            fontSize = 10
+            font = QtGui.QFont(fontName, fontSize, QtGui.QFont.Bold)
+            fontMetrics = QtGui.QFontMetrics(font)
+            # text
+            txt = str(inboxUnreadCount)
+            rect = fontMetrics.boundingRect(txt)
+            # margins that we add in the top-right corner
+            marginX = 2
+            marginY = 0 # it looks like -2 is also ok due to the error of metric
+            # if it renders too wide we need to change it to a plus symbol
+            if rect.width() > 20:
+                txt = "+"
+                fontSize = 15
+                font = QtGui.QFont(fontName, fontSize, QtGui.QFont.Bold)
+                fontMetrics = QtGui.QFontMetrics(font)
+                rect = fontMetrics.boundingRect(txt)
+            # draw text
+            painter = QPainter()
+            painter.begin(pixmap)
+            painter.setPen(QtGui.QPen(QtGui.QColor(255, 0, 0), Qt.SolidPattern))
+            painter.setFont(font)
+            painter.drawText(24-rect.right()-marginX, -rect.top()+marginY, txt)
+            painter.end()
+        return QtGui.QIcon(pixmap)
+
+    def drawTrayIcon(self, iconFileName, inboxUnreadCount):
+        self.tray.setIcon(self.calcTrayIcon(iconFileName, inboxUnreadCount))
+
+    def changedInboxUnread(self):
+        self.drawTrayIcon(self.currentTrayIconFileName, self.findInboxUnreadCount())
+
+    def findInboxUnreadCount(self):
+        queryreturn = sqlQuery('''SELECT count(*) from inbox WHERE folder='inbox' and read=0''')
+        cnt = 0
+        for row in queryreturn:
+            cnt, = row
+        return int(cnt)
 
     def updateSentItemStatusByHash(self, toRipe, textToDisplay):
         for i in range(self.ui.tableWidgetSent.rowCount()):
@@ -1622,6 +1672,7 @@ class MyForm(QtGui.QMainWindow):
                     "MainWindow", "Message trashed"))
                 self.ui.tableWidgetInbox.removeRow(i)
                 break
+        self.changedInboxUnread()
 
     def displayAlert(self, title, text, exitAfterUserClicksOk):
         self.statusBar().showMessage(text)
@@ -2539,6 +2590,7 @@ class MyForm(QtGui.QMainWindow):
             self.ui.tableWidgetInbox.item(currentRow, 1).setFont(font)
             self.ui.tableWidgetInbox.item(currentRow, 2).setFont(font)
             self.ui.tableWidgetInbox.item(currentRow, 3).setFont(font)
+        self.changedInboxUnread()
         # self.ui.tableWidgetInbox.selectRow(currentRow + 1) 
         # This doesn't de-select the last message if you try to mark it unread, but that doesn't interfere. Might not be necessary.
         # We could also select upwards, but then our problem would be with the topmost message.
@@ -3062,7 +3114,6 @@ class MyForm(QtGui.QMainWindow):
     def tableWidgetInboxItemClicked(self):
         currentRow = self.ui.tableWidgetInbox.currentRow()
         if currentRow >= 0:
-            
             font = QFont()
             font.setBold(False)
             self.ui.textEditInboxMessage.setCurrentFont(font)
@@ -3105,6 +3156,7 @@ class MyForm(QtGui.QMainWindow):
                 currentRow, 3).data(Qt.UserRole).toPyObject())
             self.ubuntuMessagingMenuClear(inventoryHash)
             sqlExecute('''update inbox set read=1 WHERE msgid=?''', inventoryHash)
+            self.changedInboxUnread()
 
     def tableWidgetSentItemClicked(self):
         currentRow = self.ui.tableWidgetSent.currentRow()
@@ -3593,6 +3645,8 @@ class UISignaler(QThread):
                 self.emit(SIGNAL("updateNumberOfBroadcastsProcessed()"))
             elif command == 'setStatusIcon':
                 self.emit(SIGNAL("setStatusIcon(PyQt_PyObject)"), data)
+            elif command == 'changedInboxUnread':
+                self.emit(SIGNAL("changedInboxUnread(PyQt_PyObject)"), data)
             elif command == 'rerenderInboxFromLabels':
                 self.emit(SIGNAL("rerenderInboxFromLabels()"))
             elif command == 'rerenderSentToLabels':

src/helper_inbox.py

@@ -3,6 +3,7 @@ import shared
 
 def insert(t):
     sqlExecute('''INSERT INTO inbox VALUES (?,?,?,?,?,?,?,?,?)''', *t)
+    shared.UISignalQueue.put(('changedInboxUnread', None))
     
 def trash(msgid):
     sqlExecute('''UPDATE inbox SET folder='trash' WHERE msgid=?''', msgid)

src/message_data_reader.py

@@ -85,6 +85,7 @@ def markAllInboxMessagesAsUnread():
     cur.execute(item, parameters)
     output = cur.fetchall()
     conn.commit()
+    shared.UISignalQueue.put(('changedInboxUnread', None))
     print 'done'
 
 def vacuum():