tRework MyTreeWidget editing - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 544b829f6e43de5ab20d8a6c414d7689e13400d9
DIR parent c481e61417c2c0b9f0432bc662f3dc8453fdacd6
HTML Author: Neil Booth <kyuupichan@gmail.com>
Date: Wed, 9 Sep 2015 07:38:54 +0900
Rework MyTreeWidget editing
Gets rid of need for EditableItem class.
New callback on_permit_edit to permit widgets to refuse editing.
Restores popup menu on activating a non-editable column behaviour.
Diffstat:
M gui/qt/history_widget.py | 3 +--
M gui/qt/main_window.py | 24 +++++++++++++-----------
M gui/qt/util.py | 94 +++++++++++++++++++------------
3 files changed, 72 insertions(+), 49 deletions(-)
---
DIR diff --git a/gui/qt/history_widget.py b/gui/qt/history_widget.py
t@@ -32,7 +32,6 @@ class HistoryWidget(MyTreeWidget):
self.refresh_headers()
self.setColumnHidden(1, True)
self.config = self.parent.config
- self.setSortingEnabled(False)
def refresh_headers(self):
headers = ['', '', _('Date'), _('Description') , _('Amount'),
t@@ -72,7 +71,7 @@ class HistoryWidget(MyTreeWidget):
label, is_default_label = self.wallet.get_label(tx_hash)
entry = ['', tx_hash, time_str, label, v_str, balance_str]
run_hook('history_tab_update', tx, entry)
- item = EditableItem(entry)
+ item = QTreeWidgetItem(entry)
item.setIcon(0, icon)
for i in range(len(entry)):
if i>3:
DIR diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
t@@ -855,7 +855,7 @@ class ElectrumWindow(QMainWindow, PrintError):
requestor = req.get('name', '')
amount_str = self.format_amount(amount) if amount else ""
account = ''
- item = EditableItem([date, account, address, '', message, amount_str, pr_tooltips.get(status,'')])
+ item = QTreeWidgetItem([date, account, address, '', message, amount_str, pr_tooltips.get(status,'')])
if signature is not None:
item.setIcon(3, QIcon(":icons/seal.png"))
item.setToolTip(3, 'signed by '+ requestor)
t@@ -921,7 +921,6 @@ class ElectrumWindow(QMainWindow, PrintError):
self.from_label = QLabel(_('From'))
grid.addWidget(self.from_label, 3, 0)
self.from_list = MyTreeWidget(self, self.from_list_menu, ['',''])
- self.from_list.setSortingEnabled(False)
self.from_list.setHeaderHidden(True)
self.from_list.setMaximumHeight(80)
grid.addWidget(self.from_list, 3, 1, 1, 3)
t@@ -1000,6 +999,7 @@ class ElectrumWindow(QMainWindow, PrintError):
self.invoices_label = QLabel(_('Invoices'))
self.invoices_list = MyTreeWidget(self, self.invoices_list_menu,
[_('Expires'), _('Requestor'), _('Description'), _('Amount'), _('Status')], 2)
+ self.invoices_list.setSortingEnabled(True)
self.invoices_list.header().setResizeMode(1, QHeaderView.Interactive)
self.invoices_list.setColumnWidth(1, 200)
t@@ -1406,14 +1406,15 @@ class ElectrumWindow(QMainWindow, PrintError):
def create_addresses_tab(self):
l = MyTreeWidget(self, self.create_receive_menu, [ _('Address'), _('Label'), _('Balance'), _('Tx')], 1)
l.setSelectionMode(QAbstractItemView.ExtendedSelection)
- l.setSortingEnabled(False)
self.address_list = l
return self.create_list_tab(l)
def create_contacts_tab(self):
l = MyTreeWidget(self, self.create_contact_menu, [_('Name'), _('Value'), _('Type')], 1, [0, 1])
l.setSelectionMode(QAbstractItemView.ExtendedSelection)
- l.item_edited = self.contact_edited
+ l.setSortingEnabled(True)
+ l.on_edited = self.on_contact_edited
+ l.on_permit_edit = self.on_permit_contact_edit
self.contacts_list = l
return self.create_list_tab(l)
t@@ -1427,7 +1428,7 @@ class ElectrumWindow(QMainWindow, PrintError):
requestor = pr.get_requestor()
exp = pr.get_expiration_date()
date_str = util.format_time(exp) if exp else _('Never')
- item = EditableItem([date_str, requestor, pr.memo, self.format_amount(pr.get_amount(), whitespaces=True), pr_tooltips.get(status,'')])
+ item = QTreeWidgetItem([date_str, requestor, pr.memo, self.format_amount(pr.get_amount(), whitespaces=True), pr_tooltips.get(status,'')])
item.setIcon(4, QIcon(pr_icons.get(status)))
item.setData(0, Qt.UserRole, key)
item.setFont(1, QFont(MONOSPACE_FONT))
t@@ -1551,7 +1552,11 @@ class ElectrumWindow(QMainWindow, PrintError):
self.payto_e.setText(text)
self.payto_e.setFocus()
- def contact_edited(self, item, column, prior):
+ def on_permit_contact_edit(self, item, column):
+ # openalias items shouldn't be editable
+ return item.text(2) != "openalias"
+
+ def on_contact_edited(self, item, column, prior):
if column == 0: # Remove old contact if renamed
self.contacts.pop(prior)
self.set_contact(unicode(item.text(0)), unicode(item.text(1)))
t@@ -1703,7 +1708,7 @@ class ElectrumWindow(QMainWindow, PrintError):
label = self.wallet.labels.get(address,'')
c, u, x = self.wallet.get_addr_balance(address)
balance = self.format_amount(c + u + x)
- item = EditableItem( [ address, label, balance, "%d"%num] )
+ item = QTreeWidgetItem([address, label, balance, "%d"%num])
item.setFont(0, QFont(MONOSPACE_FONT))
item.setData(0, Qt.UserRole, address)
item.setData(0, Qt.UserRole+1, True) # label can be edited
t@@ -1729,10 +1734,7 @@ class ElectrumWindow(QMainWindow, PrintError):
l.clear()
for key in sorted(self.contacts.keys()):
_type, value = self.contacts[key]
- if _type == 'address':
- item = EditableItem([key, value, _type])
- else: # openalias items shouldn't be editable
- item = QTreeWidgetItem([key, value, _type])
+ item = QTreeWidgetItem([key, value, _type])
item.setData(0, Qt.UserRole, key)
l.addTopLevelItem(item)
if key == current_key:
DIR diff --git a/gui/qt/util.py b/gui/qt/util.py
t@@ -283,19 +283,9 @@ def filename_field(parent, config, defaultname, select_msg):
return vbox, filename_e, b1
-class EditableItem(QTreeWidgetItem):
- def __init__(self, columns):
- QTreeWidgetItem.__init__(self, columns)
- self.setFlags(self.flags() | Qt.ItemIsEditable)
-
-class EditableItemDelegate(QStyledItemDelegate):
+class ElectrumItemDelegate(QStyledItemDelegate):
def createEditor(self, parent, option, index):
- if index.column() not in self.parent().editable_columns:
- return None
- self.parent().editing = (self.parent().currentItem(),
- index.column(),
- unicode(index.data().toString()))
- return QStyledItemDelegate.createEditor(self, parent, option, index)
+ return self.parent().createEditor(parent, option, index)
class MyTreeWidget(QTreeWidget):
t@@ -305,23 +295,20 @@ class MyTreeWidget(QTreeWidget):
self.parent = parent
self.stretch_column = stretch_column
self.setContextMenuPolicy(Qt.CustomContextMenu)
- self.itemActivated.connect(self.on_activated)
self.customContextMenuRequested.connect(create_menu)
+ self.setUniformRowHeights(True)
# extend the syntax for consistency
self.addChild = self.addTopLevelItem
self.insertChild = self.insertTopLevelItem
# Control which columns are editable
- self.editing = (None, None, None)
+ self.editor = None
if editable_columns is None:
editable_columns = [stretch_column]
self.editable_columns = editable_columns
- self.setEditTriggers(QAbstractItemView.DoubleClicked |
- QAbstractItemView.EditKeyPressed)
- self.setItemDelegate(EditableItemDelegate(self))
- self.itemChanged.connect(self.item_changed)
+ self.setItemDelegate(ElectrumItemDelegate(self))
+ self.itemActivated.connect(self.on_activated)
self.update_headers(headers)
- self.setSortingEnabled(True)
def update_headers(self, headers):
self.setColumnCount(len(headers))
t@@ -331,26 +318,61 @@ class MyTreeWidget(QTreeWidget):
sm = QHeaderView.Stretch if col == self.stretch_column else QHeaderView.ResizeToContents
self.header().setResizeMode(col, sm)
- def on_activated(self, item):
- if not item:
- return
- for i in range(0,self.viewport().height()/5):
- if self.itemAt(QPoint(0,i*5)) == item:
- break
+ def editItem(self, item, column):
+ if column in self.editable_columns:
+ self.editing_itemcol = (item, column, unicode(item.text(column)))
+ # Calling setFlags causes on_changed events for some reason
+ item.setFlags(item.flags() | Qt.ItemIsEditable)
+ QTreeWidget.editItem(self, item, column)
+ item.setFlags(item.flags() & ~Qt.ItemIsEditable)
+
+ def keyPressEvent(self, event):
+ if event.key() == Qt.Key_F2:
+ self.on_activated(self.currentItem(), self.currentColumn())
else:
- return
- for j in range(0,30):
- if self.itemAt(QPoint(0,i*5 + j)) != item:
- break
- self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), QPoint(50, i*5 + j - 1))
+ QTreeWidget.keyPressEvent(self, event)
- def item_changed(self, item, column):
- '''Called only when the text actually changes'''
- # Only pass user edits to item_edited()
- if item == self.editing[0] and column == self.editing[1]:
- self.item_edited(item, column, self.editing[2])
+ def permit_edit(self, item, column):
+ return (column in self.editable_columns
+ and self.on_permit_edit(item, column))
+
+ def on_permit_edit(self, item, column):
+ return True
- def item_edited(self, item, column, prior):
+ def on_activated(self, item, column):
+ if self.permit_edit(item, column):
+ self.editItem(item, column)
+ else:
+ pt = self.visualItemRect(item).bottomLeft()
+ pt.setX(50)
+ self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), pt)
+
+ def createEditor(self, parent, option, index):
+ self.editor = QStyledItemDelegate.createEditor(self.itemDelegate(),
+ parent, option, index)
+ self.editor.connect(self.editor, SIGNAL("editingFinished()"),
+ self.editing_finished)
+ return self.editor
+
+ def editing_finished(self):
+ # Long-time QT bug - pressing Enter to finish editing signals
+ # editingFinished twice. If the item changed the sequence is
+ # Enter key: editingFinished, on_change, editingFinished
+ # Mouse: on_change, editingFinished
+ # This mess is the cleanest way to ensure we make the
+ # on_edited callback with the updated item
+ if self.editor:
+ (item, column, prior_text) = self.editing_itemcol
+ if self.editor.text() == prior_text:
+ self.editor = None # Unchanged - ignore any 2nd call
+ elif item.text(column) == prior_text:
+ pass # Buggy first call on Enter key, item not yet updated
+ else:
+ # What we want - the updated item
+ self.on_edited(*self.editing_itemcol)
+ self.editor = None
+
+ def on_edited(self, item, column, prior):
'''Called only when the text actually changes'''
key = str(item.data(0, Qt.UserRole).toString())
text = unicode(item.text(column))