Working on notifiations (Request #100)

res/ui/toast.ui

@@ -13,6 +13,10 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
+  <property name="windowIcon">
+   <iconset resource="../icons/icons.qrc">
+    <normaloff>:/icons/cutecoin_logo</normaloff>:/icons/cutecoin_logo</iconset>
+  </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout">
     <item>
@@ -35,6 +39,8 @@
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
- <resources/>
+ <resources>
+  <include location="../icons/icons.qrc"/>
+ </resources>
  <connections/>
 </ui>

src/cutecoin/core/app.py

@@ -6,11 +6,11 @@ Created on 1 févr. 2014
 
 import os
 import logging
-import json
 import tarfile
 import shutil
 import json
 import datetime
+import sys
 
 from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, QUrl
 from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkReply, QNetworkRequest

src/cutecoin/gui/community_tab.py

@@ -17,6 +17,7 @@ from .wot_tab import WotTabWidget
 from .transfer import TransferMoneyDialog
 from .password_asker import PasswordAskerDialog
 from .certification import CertificationDialog
+from . import toast
 from ..tools.exceptions import PersonNotFoundError, NoPeerAvailable
 from ..core.person import Person
 from ucoinpy.api import bma
@@ -172,8 +173,7 @@ class CommunityTabWidget(QWidget, Ui_CommunityTabWidget):
 
         try:
             self.account.send_membership(password, self.community, 'IN')
-            QMessageBox.information(self, self.tr("Membership"),
-                                 self.tr("Success sending membership demand"))
+            toast.display(self.tr("Membership"), self.tr("Success sending membership demand"))
         except ValueError as e:
             QMessageBox.critical(self, self.tr("Join demand error"),
                               str(e))
@@ -204,8 +204,7 @@ The process to join back the community later will have to be done again.""")
 
             try:
                 self.account.send_membership(password, self.community, 'OUT')
-                QMessageBox.information(self, self.tr("Membership"),
-                                     self.tr("Success sending leaving demand"))
+                toast.display(self.tr("Membership"), self.tr("Success sending leaving demand"))
             except ValueError as e:
                 QMessageBox.critical(self, self.tr("Leaving demand error"),
                                   e.message)

src/cutecoin/gui/currency_tab.py

@@ -16,7 +16,7 @@ from .wallets_tab import WalletsTabWidget
 from .transactions_tab import TransactionsTabWidget
 from .network_tab import NetworkTabWidget
 from .informations_tab import InformationsTabWidget
-from .toast import Toast
+from . import toast
 from ..tools.exceptions import MembershipNotFoundError
 from ..core.person import Person
 
@@ -74,12 +74,8 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             if will_expire_soon:
                 days = QDateTime().currentDateTime().daysTo(QDateTime.fromTime_t(expiration_date))
                 if days > 0:
-                    QMessageBox.warning(
-                        self,
-                        self.tr("Membership expiration"),
-                        self.tr("Warning : Membership expiration in {0} days").format(days),
-                        QMessageBox.Ok
-                    )
+                    toast.display(self.tr("Membership expiration"
+"<b>Warning : Membership expiration in {0} days</b>").format(days))
         except MembershipNotFoundError as e:
             pass
 
@@ -188,7 +184,7 @@ class CurrencyTabWidget(QWidget, Ui_CurrencyTabWidget):
             text += """{0}
 """.format(t.metadata['uid'])
         text.format(amount, currency)
-        Toast(text)
+        toast.display(self.tr("New transactions received"), text)
 
     def refresh_wallets(self):
         if self.app.current_account:

src/cutecoin/gui/toast.py

@@ -4,23 +4,58 @@ Created on 1 mai 2015
 @author: inso
 '''
 import sys, time
+import logging
 from PyQt5.QtCore import Qt, QThread
 from PyQt5.QtWidgets import QMainWindow
+from PyQt5.QtGui import QImage, QPixmap
 from ..gen_resources.toast_uic import Ui_Toast
 
 window = None   # global
 
-class Toast(QMainWindow, Ui_Toast):
-    def __init__(self, msg):
+def display(title, msg):
+    if sys.platform == "linux":
+        import notify2
+        import dbus
+        if not notify2.is_initted():
+            logging.debug("Initialising notify2")
+            notify2.init("cutecoin")
+        n = notify2.Notification(title,
+                         msg)
+
+        # Not working... Empty icon at the moment.
+        icon = QPixmap(":/icons/cutecoin_logo/").toImage()
+        if icon.isNull():
+            logging.debug("Error converting logo")
+        else:
+            icon.convertToFormat(QImage.Format_ARGB32)
+            icon_bytes = icon.bits().asstring(icon.byteCount())
+            icon_struct = (
+                icon.width(),
+                icon.height(),
+                icon.bytesPerLine(),
+                icon.hasAlphaChannel(),
+                32,
+                4,
+                dbus.ByteArray(icon_bytes)
+                )
+            n.set_hint('icon_data', icon_struct)
+            n.set_timeout(5000)
+        n.show()
+    else:
+        _Toast(title, msg)
+
+class _Toast(QMainWindow, Ui_Toast):
+    def __init__(self, title, msg):
         global window               # some space outside the local stack
         window = self               # save pointer till killed to avoid GC
         super().__init__()
         self.setWindowFlags(Qt.FramelessWindowHint)
         self.setupUi(self)
 
-        self.display.setText(msg)
+        self.display.setText("""<h1>{0}</h1>
+<p>{1}</p>""".format(title, msg))
 
-        self.toastThread = ToastThread()    # start thread to remove display
+        self.toastThread = _ToastThread()    # start thread to remove display
         self.toastThread.finished.connect(self.toastDone)
         self.toastThread.start()
         self.show()
@@ -29,7 +64,7 @@ class Toast(QMainWindow, Ui_Toast):
         global window
         window = None               # kill pointer to window object to close it and GC
 
-class ToastThread(QThread):
+class _ToastThread(QThread):
     def __init__(self):
         QThread.__init__(self)