fixedSize qrcode widget

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

diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
index 4bef539..4134d5f 100644 (file)
--- a/gui/qt/main_window.py
+++ b/gui/qt/main_window.py
@@ -41,8 +41,6 @@ from electrum import mnemonic
 from electrum import util, bitcoin, commands, Interface, Wallet
 from electrum import SimpleConfig, Wallet, WalletStorage
 
-from electrum import bmp, pyqrnative
-
 from amountedit import AmountEdit, BTCAmountEdit, MyLineEdit
 from network_dialog import NetworkDialog
 from qrcodewidget import QRCodeWidget, QRDialog
@@ -435,7 +433,6 @@ class ElectrumWindow(QMainWindow):
             self.update_wallet()
             self.need_update.clear()
 
-        self.receive_qr.update_qr()
         run_hook('timer_actions')
 
     def format_amount(self, x, is_diff=False, whitespaces=False):
@@ -682,31 +679,32 @@ class ElectrumWindow(QMainWindow):
         grid.addWidget(self.receive_amount_e, 2, 1, 1, 2)
         self.receive_amount_e.textChanged.connect(self.update_receive_qr)
 
+        self.save_request_button = QPushButton(_('Save'))
+        self.save_request_button.clicked.connect(self.save_payment_request)
+        grid.addWidget(self.save_request_button, 3, 1)
         clear_button = QPushButton(_('New'))
         clear_button.clicked.connect(self.clear_receive_tab)
-        grid.addWidget(clear_button, 3, 1)
-        save_button = QPushButton(_('Save'))
-        save_button.clicked.connect(self.save_payment_request)
-        grid.addWidget(save_button, 3, 2)
+        grid.addWidget(clear_button, 3, 2)
         grid.setRowStretch(4, 1)
 
-        self.receive_qr = QRCodeWidget()
+        self.receive_qr = QRCodeWidget(fixedSize=200)
         grid.addWidget(self.receive_qr, 0, 4, 5, 2)
 
-        self.receive_requests_label = QLabel(_('Pending requests'))
+        grid.setRowStretch(5, 1)
+
+        self.receive_requests_label = QLabel(_('Saved Requests'))
         self.receive_list = MyTreeWidget(self)
         self.receive_list.customContextMenuRequested.connect(self.receive_list_menu)
         self.receive_list.currentItemChanged.connect(self.receive_item_changed)
-        self.receive_list.setHeaderLabels( [_('Address'), _('Message'), _('Amount'), _('Status')] )
-        self.receive_list.setColumnWidth(0, 320)
+        self.receive_list.itemClicked.connect(self.receive_item_changed)
+        self.receive_list.setHeaderLabels( [_('Address'), _('Message'), _('Amount')] )
+        self.receive_list.setColumnWidth(0, 340)
         h = self.receive_list.header()
         h.setStretchLastSection(False)
         h.setResizeMode(1, QHeaderView.Stretch)
 
-        grid.addWidget(self.receive_requests_label, 5, 0)
-        grid.addWidget(self.receive_list, 6, 0, 1, 6)
-
-        grid.setRowStretch(7, 1)
+        grid.addWidget(self.receive_requests_label, 6, 0)
+        grid.addWidget(self.receive_list, 7, 0, 1, 6)
         return w
 
     def receive_item_changed(self, item):
@@ -770,26 +768,28 @@ class ElectrumWindow(QMainWindow):
         self.receive_list.clear()
         for address, v in self.receive_requests.items():
             amount, message = v
-            item = QTreeWidgetItem( [ address, message, self.format_amount(amount) if amount else "", ""] )
+            item = QTreeWidgetItem( [ address, message, self.format_amount(amount) if amount else ""] )
             self.receive_list.addTopLevelItem(item)
 
 
     def update_receive_qr(self):
         import urlparse, urllib
         addr = str(self.receive_address_e.text())
+        amount = self.receive_amount_e.get_amount()
+        message = unicode(self.receive_message_e.text()).encode('utf8')
+        self.save_request_button.setEnabled((amount is not None) or (message != ""))
         if addr:
             query = []
-            amount = self.receive_amount_e.get_amount()
             if amount:
                 query.append('amount=%s'%format_satoshis(amount))
-            message = unicode(self.receive_message_e.text()).encode('utf8')
             if message:
                 query.append('message=%s'%urllib.quote(message))
             p = urlparse.ParseResult(scheme='bitcoin', netloc='', path=addr, params='', query='&'.join(query), fragment='')
             url = urlparse.urlunparse(p)
         else:
             url = ""
-        self.receive_qr.set_addr(url)
+        self.receive_qr.setData(url)
+        run_hook('update_receive_qr', addr, amount, message, url)
 
 
     def create_send_tab(self):
@@ -1371,7 +1371,9 @@ class ElectrumWindow(QMainWindow):
         if any(addr in self.wallet.frozen_addresses for addr in addrs):
             menu.addAction(_("Unfreeze"), lambda: self.set_addrs_frozen(addrs, False))
 
-        if any(addr not in self.wallet.frozen_addresses for addr in addrs):
+        def can_send(addr):
+            return addr not in self.wallet.frozen_addresses and self.wallet.get_addr_balance(addr) != (0, 0)
+        if any(can_send(addr) for addr in addrs):
             menu.addAction(_("Send From"), lambda: self.send_from_addresses(addrs))
 
         run_hook('receive_menu', menu, addrs)
@@ -1811,6 +1813,7 @@ class ElectrumWindow(QMainWindow):
     def show_qrcode(self, data, title = _("QR code")):
         if not data: 
             return
+        print_error("qrcode:", data)
         d = QRDialog(data, self, title)
         d.exec_()
 
@@ -2078,7 +2081,10 @@ class ElectrumWindow(QMainWindow):
 
     @protected
     def sign_raw_transaction(self, tx, input_info, password):
-        self.wallet.signrawtransaction(tx, input_info, [], password)
+        try:
+            self.wallet.signrawtransaction(tx, input_info, [], password)
+        except Exception as e:
+            QMessageBox.warning(self, _("Error"), str(e))
 
     def do_process_from_text(self):
         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))