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qtdefines.py
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qtdefines.py
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################################################################################
# #
# Copyright (C) 2011-2015, Armory Technologies, Inc. #
# Distributed under the GNU Affero General Public License (AGPL v3) #
# See LICENSE or http://www.gnu.org/licenses/agpl.html #
# #
################################################################################
import struct
from tempfile import mkstemp
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import urllib
from armorycolors import Colors, htmlColor
from armoryengine.ArmoryUtils import *
from armoryengine.BinaryUnpacker import *
from armoryengine.MultiSigUtils import *
import gettext
SETTINGS_PATH = os.path.join(ARMORY_HOME_DIR, 'ArmorySettings.txt')
USERMODE = enum('Standard', 'Advanced', 'Expert')
SATOSHIMODE = enum('Auto', 'User')
NETWORKMODE = enum('Offline', 'Full', 'Disconnected')
WLTTYPES = enum('Plain', 'Crypt', 'WatchOnly', 'Offline')
WLTFIELDS = enum('Name', 'Descr', 'WltID', 'NumAddr', 'Secure', \
'BelongsTo', 'Crypto', 'Time', 'Mem', 'Version')
MSGBOX = enum('Good','Info', 'Question', 'Warning', 'Critical', 'Error')
MSGBOX = enum('Good','Info', 'Question', 'Warning', 'Critical', 'Error')
DASHBTNS = enum('Close', 'Browse', 'Install', 'Instruct', 'Settings')
STYLE_SUNKEN = QFrame.Box | QFrame.Sunken
STYLE_RAISED = QFrame.Box | QFrame.Raised
STYLE_PLAIN = QFrame.Box | QFrame.Plain
STYLE_STYLED = QFrame.StyledPanel | QFrame.Raised
STYLE_NONE = QFrame.NoFrame
VERTICAL = 'vertical'
HORIZONTAL = 'horizontal'
CHANGE_ADDR_DESCR_STRING = '[[ Change received ]]'
HTTP_VERSION_FILE = 'https://bitcoinarmory.com/versions.txt'
BUG_REPORT_URL = 'https://bitcoinarmory.com/scripts/receive_debug.php'
PRIVACY_URL = 'https://bitcoinarmory.com/privacy-policy'
# For announcements handling
ANNOUNCE_FETCH_INTERVAL = 1 * HOUR
if CLI_OPTIONS.testAnnounceCode:
HTTP_ANNOUNCE_FILE = \
'https://s3.amazonaws.com/bitcoinarmory-testing/testannounce.txt'
else:
HTTP_ANNOUNCE_FILE = 'https://bitcoinarmory.com/atiannounce.txt'
# Keep track of dialogs and wizard that are executing
runningDialogsList = []
def AddToRunningDialogsList(func):
def wrapper(*args, **kwargs):
runningDialogsList.append(args[0])
result = func(*args, **kwargs)
runningDialogsList.remove(args[0])
return result
return wrapper
################################################################################
def tr(txt, y=None, z=None):
"""
This is a common convention for implementing translations, where all
translatable strings are put int the _(...) function, and that method
does some fancy stuff to present the translation if needed.
This is being implemented here, to not only do translations in the
future, but also to clean up the typical text fields I use. I've
ended up with a program full of stuff like this:
myLabel = QRichLabel( \
'This text is split across mulitple lines '
'with a space after each one, and single '
'quotes on either side.')
Instead it should really look like:
myLabel = QRichLabel( tr('''
This text is split across mulitple lines
and it will acquire a space after each line
as well as include newlines because it's HTML
and uses <br>. ''' ))
Added easy plural handling:
Just add an extra argument to specify a variable on which plurality
should be chosen, and then decorate your text with
@{singular|plural}@
For instance:
tr('The @{cat|cats}@ danced. @{It was|They were}@ happy.', nCat)
tr('The @{cat|%d cats}@ danced. @{It was|They were}@ happy.'%nCat, nCat)
tr('The @{cat|cats}@ attacked the @{dog|dogs}@', nCat, nDog)
This should work well for
"""
txt = toUnicode(txt)
lines = [l.strip() for l in txt.split('\n')]
txt = (' '.join(lines)).strip()
# Eventually we do something cool with this transalate function.
# It will be defined elsewhere, but for now stubbed with identity fn
TRANSLATE = lambda x: x
txt = TRANSLATE(txt)
if z == None:
return txt
elif z == 1:
return txt
else:
return y
################################################################################
def HLINE(style=QFrame.Plain):
qf = QFrame()
qf.setFrameStyle(QFrame.HLine | style)
return qf
def VLINE(style=QFrame.Plain):
qf = QFrame()
qf.setFrameStyle(QFrame.VLine | style)
return qf
# Setup fixed-width and var-width fonts
def GETFONT(ftype, sz=10, bold=False, italic=False):
fnt = None
if ftype.lower().startswith('fix'):
if OS_WINDOWS:
fnt = QFont("Courier", sz)
elif OS_MACOSX:
fnt = QFont("Menlo", sz)
else:
fnt = QFont("DejaVu Sans Mono", sz)
elif ftype.lower().startswith('var'):
if OS_MACOSX:
fnt = QFont("Lucida Grande", sz)
else:
fnt = QFont("Verdana", sz)
#if OS_WINDOWS:
#fnt = QFont("Tahoma", sz)
#else:
#fnt = QFont("Sans", sz)
elif ftype.lower().startswith('money'):
if OS_WINDOWS:
fnt = QFont("Courier", sz)
elif OS_MACOSX:
fnt = QFont("Menlo", sz)
else:
fnt = QFont("DejaVu Sans Mono", sz)
else:
fnt = QFont(ftype, sz)
if bold:
fnt.setWeight(QFont.Bold)
if italic:
fnt.setItalic(True)
return fnt
def UnicodeErrorBox(parent):
QMessageBox.warning(parent, 'ASCII Error', \
toUnicode('Armory does not currently support non-ASCII characters in '
'most text fields (like \xc2\xa3\xc2\xa5\xc3\xa1\xc3\xb6\xc3\xa9). '
'Please use only letters found '
'on an English(US) keyboard. This will be fixed in an upcoming '
'release'), QMessageBox.Ok)
#######
def UserModeStr(mode):
if mode==USERMODE.Standard:
return tr('Standard User')
elif mode==USERMODE.Advanced:
return tr('Advanced User')
elif mode==USERMODE.Expert:
return tr('Expert User')
#######
def tightSizeNChar(obj, nChar):
"""
Approximates the size of a row text of mixed characters
This is only aproximate, since variable-width fonts will vary
depending on the specific text
"""
try:
fm = QFontMetricsF(QFont(obj.font()))
except AttributeError:
fm = QFontMetricsF(QFont(obj))
szWidth,szHeight = fm.boundingRect('abcfgijklm').width(), fm.height()
szWidth = int(szWidth * nChar/10.0 + 0.5)
return szWidth, szHeight
#######
def tightSizeStr(obj, theStr):
""" Measure a specific string """
try:
fm = QFontMetricsF(QFont(obj.font()))
except AttributeError:
fm = QFontMetricsF(QFont(obj))
szWidth,szHeight = fm.boundingRect(theStr).width(), fm.height()
return szWidth, szHeight
#######
def relaxedSizeStr(obj, theStr):
"""
Approximates the size of a row text, nchars long, adds some margin
"""
try:
fm = QFontMetricsF(QFont(obj.font()))
except AttributeError:
fm = QFontMetricsF(QFont(obj))
szWidth,szHeight = fm.boundingRect(theStr).width(), fm.height()
return (10 + szWidth*1.05), 1.5*szHeight
#######
def relaxedSizeNChar(obj, nChar):
"""
Approximates the size of a row text, nchars long, adds some margin
"""
try:
fm = QFontMetricsF(QFont(obj.font()))
except AttributeError:
fm = QFontMetricsF(QFont(obj))
szWidth,szHeight = fm.boundingRect('abcfg ijklm').width(), fm.height()
szWidth = int(szWidth * nChar/10.0 + 0.5)
return (10 + szWidth*1.05), 1.5*szHeight
#############################################################################
def determineWalletType(wlt, wndw):
if wlt.watchingOnly:
if wndw.getWltSetting(wlt.uniqueIDB58, 'IsMine'):
return [WLTTYPES.Offline, tr('Offline')]
else:
return [WLTTYPES.WatchOnly, tr('Watching-Only')]
elif wlt.useEncryption:
return [WLTTYPES.Crypt, tr('Encrypted')]
else:
return [WLTTYPES.Plain, tr('No Encryption')]
#############################################################################
def initialColResize(tblViewObj, sizeList):
"""
We assume that all percentages are below 1, all fixed >1.
TODO: This seems to almost work. providing exactly 100% input will
actually result in somewhere between 75% and 125% (approx).
For now, I have to experiment with initial values a few times
before getting it to a satisfactory initial size.
"""
totalWidth = tblViewObj.width()
fixedCols, pctCols = [],[]
nCols = tblViewObj.model().columnCount()
for col,colVal in enumerate(sizeList):
if colVal > 1:
fixedCols.append( (col, colVal) )
else:
pctCols.append( (col, colVal) )
for c,sz in fixedCols:
tblViewObj.horizontalHeader().resizeSection(c, sz)
totalFixed = sum([sz[1] for sz in fixedCols])
szRemain = totalWidth-totalFixed
for c,pct in pctCols:
tblViewObj.horizontalHeader().resizeSection(c, pct*szRemain)
tblViewObj.horizontalHeader().setStretchLastSection(True)
class QRichLabel(QLabel):
def __init__(self, txt, doWrap=True, \
hAlign=Qt.AlignLeft, \
vAlign=Qt.AlignVCenter, \
**kwargs):
super(QRichLabel, self).__init__(txt)
self.setTextFormat(Qt.RichText)
self.setWordWrap(doWrap)
self.setAlignment(hAlign | vAlign)
self.setText(txt, **kwargs)
# Fixes a problem with QLabel resizing based on content
# ACR: ... and makes other problems. Removing for now.
#self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.MinimumExpanding)
#self.setMinimumHeight(int(relaxedSizeStr(self, 'QWERTYqypgj')[1]))
def setText(self, text, color=None, size=None, bold=None, italic=None):
text = unicode(text)
if color:
text = '<font color="%s">%s</font>' % (htmlColor(color), text)
if size:
if isinstance(size, int):
text = '<font size=%d>%s</font>' % (size, text)
else:
text = '<font size="%s">%s</font>' % (size, text)
if bold:
text = '<b>%s</b>' % text
if italic:
text = '<i>%s</i>' % text
super(QRichLabel, self).setText(text)
def setBold(self):
self.setText('<b>' + self.text() + '</b>')
def setItalic(self):
self.setText('<i>' + self.text() + '</i>')
class QMoneyLabel(QRichLabel):
def __init__(self, nSatoshi, ndec=8, maxZeros=2, wColor=True,
wBold=False, txtSize=10):
QLabel.__init__(self, coin2str(nSatoshi))
self.setValueText(nSatoshi, ndec, maxZeros, wColor, wBold, txtSize)
def setValueText(self, nSatoshi, ndec=None, maxZeros=None, wColor=None,
wBold=None, txtSize=10):
"""
When we set the text of the QMoneyLabel, remember previous values unless
explicitly respecified
"""
if not ndec is None:
self.ndec = ndec
if not maxZeros is None:
self.max0 = maxZeros
if not wColor is None:
self.colr = wColor
if not wBold is None:
self.bold = wBold
theFont = GETFONT("Fixed", txtSize)
if self.bold:
theFont.setWeight(QFont.Bold)
self.setFont(theFont)
self.setWordWrap(False)
valStr = coin2str(nSatoshi, ndec=self.ndec, maxZeros=self.max0)
goodMoney = htmlColor('MoneyPos')
badMoney = htmlColor('MoneyNeg')
if nSatoshi < 0 and self.colr:
self.setText('<font color=%s>%s</font>' % (badMoney, valStr))
elif nSatoshi > 0 and self.colr:
self.setText('<font color=%s>%s</font>' % (goodMoney, valStr))
else:
self.setText('%s' % valStr)
self.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
def setLayoutStretchRows(layout, *args):
for i,st in enumerate(args):
layout.setRowStretch(i, st)
def setLayoutStretchCols(layout, *args):
for i,st in enumerate(args):
layout.setColumnStretch(i, st)
# Use this for QHBoxLayout and QVBoxLayout, where you don't specify dimension
def setLayoutStretch(layout, *args):
for i,st in enumerate(args):
layout.setStretch(i, st)
################################################################################
def QPixmapButton(img):
btn = QPushButton('')
px = QPixmap(img)
btn.setIcon( QIcon(px))
btn.setIconSize(px.rect().size())
return btn
################################################################################
def QAcceptButton():
return QPixmapButton('img/btnaccept.png')
def QCancelButton():
return QPixmapButton('img/btncancel.png')
def QBackButton():
return QPixmapButton('img/btnback.png')
def QOkButton():
return QPixmapButton('img/btnok.png')
def QDoneButton():
return QPixmapButton('img/btndone.png')
################################################################################
class QLabelButton(QLabel):
mousePressOn = set()
def __init__(self, txt):
colorStr = htmlColor('LBtnNormalFG')
QLabel.__init__(self, '<font color=%s>%s</u></font>' % (colorStr, txt))
self.plainText = txt
self.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
def sizeHint(self):
w,h = relaxedSizeStr(self, self.plainText)
return QSize(w,1.2*h)
def mousePressEvent(self, ev):
# Prevent click-bleed-through to dialogs being opened
txt = toBytes(unicode(self.text()))
self.mousePressOn.add(txt)
def mouseReleaseEvent(self, ev):
txt = toBytes(unicode(self.text()))
if txt in self.mousePressOn:
self.mousePressOn.remove(txt)
self.emit(SIGNAL('clicked()'))
def enterEvent(self, ev):
ssStr = "QLabel { background-color : %s }" % htmlColor('LBtnHoverBG')
self.setStyleSheet(ssStr)
def leaveEvent(self, ev):
ssStr = "QLabel { background-color : %s }" % htmlColor('LBtnNormalBG')
self.setStyleSheet(ssStr)
################################################################################
# The optionalMsg argument is not word wrapped so the caller is responsible for limiting
# the length of the longest line in the optionalMsg
def MsgBoxCustom(wtype, title, msg, wCancel=False, yesStr=None, noStr=None,
optionalMsg=None):
"""
Creates a message box with custom button text and icon
"""
class dlgWarn(ArmoryDialog):
def __init__(self, dtype, dtitle, wmsg, withCancel=False, yesStr=None, noStr=None):
super(dlgWarn, self).__init__(None)
msgIcon = QLabel()
fpix = ''
if dtype==MSGBOX.Good:
fpix = ':/MsgBox_good48.png'
if dtype==MSGBOX.Info:
fpix = ':/MsgBox_info48.png'
if dtype==MSGBOX.Question:
fpix = ':/MsgBox_question64.png'
if dtype==MSGBOX.Warning:
fpix = ':/MsgBox_warning48.png'
if dtype==MSGBOX.Critical:
fpix = ':/MsgBox_critical64.png'
if dtype==MSGBOX.Error:
fpix = ':/MsgBox_error64.png'
if len(fpix)>0:
msgIcon.setPixmap(QPixmap(fpix))
msgIcon.setAlignment(Qt.AlignHCenter | Qt.AlignTop)
lblMsg = QLabel(msg)
lblMsg.setTextFormat(Qt.RichText)
lblMsg.setWordWrap(True)
lblMsg.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
lblMsg.setOpenExternalLinks(True)
w,h = tightSizeNChar(lblMsg, 70)
lblMsg.setMinimumSize( w, 3.2*h )
buttonbox = QDialogButtonBox()
if dtype==MSGBOX.Question:
if not yesStr: yesStr = tr('&Yes')
if not noStr: noStr = tr('&No')
btnYes = QPushButton(yesStr)
btnNo = QPushButton(noStr)
self.connect(btnYes, SIGNAL('clicked()'), self.accept)
self.connect(btnNo, SIGNAL('clicked()'), self.reject)
buttonbox.addButton(btnYes,QDialogButtonBox.AcceptRole)
buttonbox.addButton(btnNo, QDialogButtonBox.RejectRole)
else:
cancelStr = tr('&Cancel') if (noStr is not None or withCancel) else ''
yesStr = tr('&OK') if (yesStr is None) else yesStr
btnOk = QPushButton(yesStr)
btnCancel = QPushButton(cancelStr)
self.connect(btnOk, SIGNAL('clicked()'), self.accept)
self.connect(btnCancel, SIGNAL('clicked()'), self.reject)
buttonbox.addButton(btnOk, QDialogButtonBox.AcceptRole)
if cancelStr:
buttonbox.addButton(btnCancel, QDialogButtonBox.RejectRole)
spacer = QSpacerItem(20, 10, QSizePolicy.Fixed, QSizePolicy.Expanding)
layout = QGridLayout()
layout.addItem( spacer, 0,0, 1,2)
layout.addWidget(msgIcon, 1,0, 1,1)
layout.addWidget(lblMsg, 1,1, 1,1)
if optionalMsg:
optionalTextLabel = QLabel(optionalMsg)
optionalTextLabel.setTextFormat(Qt.RichText)
optionalTextLabel.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
w,h = tightSizeNChar(optionalTextLabel, 70)
optionalTextLabel.setMinimumSize( w, 3.2*h )
layout.addWidget(optionalTextLabel, 2,0,1,2)
layout.addWidget(buttonbox, 3,0, 1,2)
layout.setSpacing(20)
self.setLayout(layout)
self.setWindowTitle(dtitle)
dlg = dlgWarn(wtype, title, msg, wCancel, yesStr, noStr)
result = dlg.exec_()
return result
################################################################################
def MsgBoxWithDNAA(parent, main, wtype, title, msg, dnaaMsg, wCancel=False, \
yesStr='Yes', noStr='No', dnaaStartChk=False):
"""
Creates a warning/question/critical dialog, but with a "Do not ask again"
checkbox. Will return a pair (response, DNAA-is-checked)
"""
class dlgWarn(ArmoryDialog):
def __init__(self, parent, main, dtype, dtitle, wmsg, dmsg=None, withCancel=False):
super(dlgWarn, self).__init__(parent, main)
msgIcon = QLabel()
fpix = ''
if dtype==MSGBOX.Info:
fpix = ':/MsgBox_info48.png'
if not dmsg: dmsg = tr('Do not show this message again')
if dtype==MSGBOX.Question:
fpix = ':/MsgBox_question64.png'
if not dmsg: dmsg = tr('Do not ask again')
if dtype==MSGBOX.Warning:
fpix = ':/MsgBox_warning48.png'
if not dmsg: dmsg = tr('Do not show this warning again')
if dtype==MSGBOX.Critical:
fpix = ':/MsgBox_critical64.png'
if not dmsg: dmsg = None # should always show crits
if dtype==MSGBOX.Error:
fpix = ':/MsgBox_error64.png'
if not dmsg: dmsg = None # should always show errors
if len(fpix)>0:
msgIcon.setPixmap(QPixmap(fpix))
msgIcon.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.chkDnaa = QCheckBox(dmsg)
self.chkDnaa.setChecked(dnaaStartChk)
lblMsg = QLabel(msg)
lblMsg.setTextFormat(Qt.RichText)
lblMsg.setWordWrap(True)
lblMsg.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
w,h = tightSizeNChar(lblMsg, 50)
lblMsg.setMinimumSize( w, 3.2*h )
lblMsg.setOpenExternalLinks(True)
buttonbox = QDialogButtonBox()
if dtype==MSGBOX.Question:
btnYes = QPushButton(yesStr)
btnNo = QPushButton(noStr)
self.connect(btnYes, SIGNAL('clicked()'), self.accept)
self.connect(btnNo, SIGNAL('clicked()'), self.reject)
buttonbox.addButton(btnYes,QDialogButtonBox.AcceptRole)
buttonbox.addButton(btnNo, QDialogButtonBox.RejectRole)
else:
btnOk = QPushButton('Ok')
self.connect(btnOk, SIGNAL('clicked()'), self.accept)
buttonbox.addButton(btnOk, QDialogButtonBox.AcceptRole)
if withCancel:
btnOk = QPushButton('Cancel')
self.connect(btnOk, SIGNAL('clicked()'), self.reject)
buttonbox.addButton(btnOk, QDialogButtonBox.RejectRole)
spacer = QSpacerItem(20, 10, QSizePolicy.Fixed, QSizePolicy.Expanding)
layout = QGridLayout()
layout.addItem( spacer, 0,0, 1,2)
layout.addWidget(msgIcon, 1,0, 1,1)
layout.addWidget(lblMsg, 1,1, 1,1)
layout.addWidget(self.chkDnaa, 2,0, 1,2)
layout.addWidget(buttonbox, 3,0, 1,2)
layout.setSpacing(20)
self.setLayout(layout)
self.setWindowTitle(dtitle)
dlg = dlgWarn(parent, main, wtype, title, msg, dnaaMsg, wCancel)
result = dlg.exec_()
return (result, dlg.chkDnaa.isChecked())
def makeLayoutFrame(dirStr, widgetList, style=QFrame.NoFrame, condenseMargins=False):
frm = QFrame()
frm.setFrameStyle(style)
frmLayout = QHBoxLayout()
if dirStr.lower().startswith(VERTICAL):
frmLayout = QVBoxLayout()
for w in widgetList:
if isinstance(w,str) and w.lower()=='stretch':
frmLayout.addStretch()
elif isinstance(w,str) and w.lower().startswith('space'):
# expect "spacer(30)"
first = w.index('(')+1
last = w.index(')')
wid,hgt = int(w[first:last]), 1
if dirStr.lower().startswith(VERTICAL):
wid,hgt = hgt,wid
frmLayout.addItem( QSpacerItem(wid,hgt) )
elif isinstance(w,str) and w.lower().startswith('line'):
frmLine = QFrame()
if dirStr.lower().startswith(VERTICAL):
frmLine.setFrameStyle(QFrame.HLine | QFrame.Plain)
else:
frmLine.setFrameStyle(QFrame.VLine | QFrame.Plain)
frmLayout.addWidget(frmLine)
elif isinstance(w,str) and w.lower().startswith('strut'):
first = w.index('(')+1
last = w.index(')')
strutSz = int(w[first:last])
frmLayout.addStrut(strutSz)
elif isinstance(w,QSpacerItem):
frmLayout.addItem(w)
else:
frmLayout.addWidget(w)
if condenseMargins:
frmLayout.setContentsMargins(3,3,3,3)
frmLayout.setSpacing(3)
else:
frmLayout.setContentsMargins(5,5,5,5)
frm.setLayout(frmLayout)
return frm
def addFrame(widget, style=STYLE_SUNKEN, condenseMargins=False):
return makeLayoutFrame(HORIZONTAL, [widget], style, condenseMargins)
def makeVertFrame(widgetList, style=QFrame.NoFrame, condenseMargins=False):
return makeLayoutFrame(VERTICAL, widgetList, style, condenseMargins)
def makeHorizFrame(widgetList, style=QFrame.NoFrame, condenseMargins=False):
return makeLayoutFrame(HORIZONTAL, widgetList, style, condenseMargins)
def QImageLabel(imgfn, size=None, stretch='NoStretch'):
lbl = QLabel()
if size==None:
px = QPixmap(imgfn)
else:
px = QPixmap(imgfn).scaled(*size) # expect size=(W,H)
lbl.setPixmap(px)
return lbl
def restoreTableView(qtbl, hexBytes):
try:
binunpack = BinaryUnpacker(hex_to_binary(hexBytes))
hexByte = binunpack.get(UINT8)
binLen = binunpack.get(UINT8)
toRestore = []
for i in range(binLen):
sz = binunpack.get(UINT16)
if sz>0:
toRestore.append([i,sz])
for i,c in toRestore[:-1]:
qtbl.setColumnWidth(i, c)
except Exception, e:
print 'ERROR!'
pass
# Don't want to crash the program just because couldn't load tbl data
def saveTableView(qtbl):
nCol = qtbl.model().columnCount()
sz = [None]*nCol
for i in range(nCol):
sz[i] = qtbl.columnWidth(i)
# Use 'ff' as a kind of magic byte for this data. Most importantly
# we want to guarantee that the settings file will interpret this
# as hex data -- I once had an unlucky hex string written out with
# all digits and then intepretted as an integer on the next load :(
first = int_to_hex(nCol)
rest = [int_to_hex(s, widthBytes=2) for s in sz]
return 'ff' + first + ''.join(rest)
################################################################################
# This class is intended to be an abstract frame class that
# will hold all of the functionality that is common to all
# Frames used in Armory.
# The Frames that extend this class should contain all of the
# display and control components for some screen used in Armory
# Putting this content in a frame allows it to be used on it's own
# in a dialog or as a component in a larger frame.
class ArmoryFrame(QFrame):
def __init__(self, parent, main):
super(ArmoryFrame, self).__init__(parent)
self.main = main
# Subclasses should implement a method that returns a boolean to control
# when done, accept, next, or final button should be enabled.
self.isComplete = None
################################################################################
class ArmoryDialog(QDialog):
#create a signal with a random name that children to this dialog will
#connect to close themselves if the parent is closed first
def __init__(self, parent=None, main=None):
super(ArmoryDialog, self).__init__(parent)
self.closeSignal = str(random.random())
self.parent = parent
self.main = main
#connect this dialog to the parent's close signal
if self.parent is not None and hasattr(self.parent, 'closeSignal'):
self.connect(self.parent, SIGNAL(self.parent.closeSignal), self.reject)
self.setFont(GETFONT('var'))
self.setWindowFlags(Qt.Window)
if USE_TESTNET:
self.setWindowTitle(tr('Armory - Bitcoin Wallet Management [TESTNET] ' + self.__class__.__name__))
self.setWindowIcon(QIcon(':/armory_icon_green_32x32.png'))
else:
self.setWindowTitle(tr('Armory - Bitcoin Wallet Management'))
self.setWindowIcon(QIcon(':/armory_icon_32x32.png'))
@AddToRunningDialogsList
def exec_(self):
return super(ArmoryDialog, self).exec_()
def reject(self):
self.emit(SIGNAL(self.closeSignal))
super(ArmoryDialog, self).reject()
################################################################################
class QRCodeWidget(QWidget):
def __init__(self, asciiToEncode='', prefSize=160, errLevel='L', parent=None):
super(QRCodeWidget, self).__init__()
self.parent = parent
self.qrmtrx = None
self.setAsciiData(asciiToEncode, prefSize, errLevel, repaint=False)
def setAsciiData(self, newAscii, prefSize=160, errLevel='L', repaint=True):
if len(newAscii)==0:
self.qrmtrx = [[0]]
self.modCt = 1
self.pxScale= 1
return
self.theData = newAscii
self.qrmtrx, self.modCt = CreateQRMatrix(self.theData, errLevel)
self.setPreferredSize(prefSize)
def getModuleCount1D(self):
return self.modCt
def setPreferredSize(self, px, policy='Approx'):
self.pxScale,rem = divmod(int(px), int(self.modCt))
if policy.lower().startswith('approx'):
if rem>self.modCt/2.0:
self.pxScale += 1
elif policy.lower().startswith('atleast'):
if rem>0:
self.pxScale += 1
elif policy.lower().startswith('max'):
pass
else:
LOGERROR('Bad size policy in set qr size')
return self.pxScale*self.modCt
return
def getSize(self):
return self.pxScale*self.modCt
def sizeHint(self):
sz1d = self.pxScale*self.modCt
return QSize(sz1d, sz1d)
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
self.drawWidget(qp)
qp.end()
def drawWidget(self, qp):
# In case this is not a white background, draw the white boxes
qp.setPen(QColor(255,255,255))
qp.setBrush(QColor(255,255,255))
for r in range(self.modCt):
for c in range(self.modCt):
if not self.qrmtrx[r][c]:
qp.drawRect(*[a*self.pxScale for a in [r,c,1,1]])
# Draw the black tiles
qp.setPen(QColor(0,0,0))
qp.setBrush(QColor(0,0,0))
for r in range(self.modCt):
for c in range(self.modCt):
if self.qrmtrx[r][c]:
qp.drawRect(*[a*self.pxScale for a in [r,c,1,1]])
def mouseDoubleClickEvent(self, *args):
DlgInflatedQR(self.parent, self.theData).exec_()
# Create a very simple dialog and execute it
class DlgInflatedQR(ArmoryDialog):
def __init__(self, parent, dataToQR):
super(DlgInflatedQR, self).__init__(parent, parent.main)
sz = QApplication.desktop().size()
w,h = sz.width(), sz.height()
qrSize = int(min(w,h)*0.8)
qrDisp = QRCodeWidget(dataToQR, prefSize=qrSize)
def closeDlg(*args):
self.accept()
qrDisp.mouseDoubleClickEvent = closeDlg
self.mouseDoubleClickEvent = closeDlg
lbl = QRichLabel(tr('<b>Double-click or press ESC to close</b>'))
lbl.setAlignment(Qt.AlignTop | Qt.AlignHCenter)
frmQR = makeHorizFrame(['Stretch', qrDisp, 'Stretch'])
frmFull = makeVertFrame(['Stretch',frmQR, lbl, 'Stretch'])
layout = QVBoxLayout()
layout.addWidget(frmFull)
self.setLayout(layout)
self.showFullScreen()
# Pure-python BMP creator taken from:
#
# http://pseentertainmentcorp.com/smf/index.php?topic=2034.0
#
# This will take a 2D array of ones-and-zeros and convert it to a binary
# bitmap image, which will be stored in a temporary file. This temporary
# file can be used for display and copy-and-paste into email.
def bmp_binary(header, pixels):
'''It takes a header (based on default_bmp_header),
the pixel data (from structs, as produced by get_color and row_padding),
and writes it to filename'''
header_str = ""
header_str += struct.pack('<B', header['mn1'])
header_str += struct.pack('<B', header['mn2'])
header_str += struct.pack('<L', header['filesize'])
header_str += struct.pack('<H', header['undef1'])
header_str += struct.pack('<H', header['undef2'])
header_str += struct.pack('<L', header['offset'])
header_str += struct.pack('<L', header['headerlength'])
header_str += struct.pack('<L', header['width'])
header_str += struct.pack('<L', header['height'])
header_str += struct.pack('<H', header['colorplanes'])
header_str += struct.pack('<H', header['colordepth'])
header_str += struct.pack('<L', header['compression'])
header_str += struct.pack('<L', header['imagesize'])
header_str += struct.pack('<L', header['res_hor'])
header_str += struct.pack('<L', header['res_vert'])
header_str += struct.pack('<L', header['palette'])
header_str += struct.pack('<L', header['importantcolors'])
return header_str + pixels
def bmp_write(header, pixels, filename):
out = open(filename, 'wb')
out.write(bmp_binary(header, pixels))
out.close()
def bmp_row_padding(width, colordepth):
'''returns any necessary row padding'''
byte_length = width*colordepth/8
# how many bytes are needed to make byte_length evenly divisible by 4?
padding = (4-byte_length)%4
padbytes = ''
for i in range(padding):
x = struct.pack('<B',0)
padbytes += x
return padbytes
def bmp_pack_color(red, green, blue):
'''accepts values from 0-255 for each value, returns a packed string'''
return struct.pack('<BBB',blue,green,red)
###################################
BMP_TEMPFILE = -1
def createBitmap(imgMtrx2D, writeToFile=-1, returnBinary=True):
try:
h,w = len(imgMtrx2D), len(imgMtrx2D[0])
except:
LOGERROR('Error creating BMP object')
raise
header = {'mn1':66,
'mn2':77,
'filesize':0,
'undef1':0,
'undef2':0,
'offset':54,
'headerlength':40,
'width':w,
'height':h,
'colorplanes':0,
'colordepth':24,
'compression':0,
'imagesize':0,
'res_hor':0,
'res_vert':0,
'palette':0,
'importantcolors':0}
pixels = ''
black = bmp_pack_color( 0, 0, 0)
white = bmp_pack_color(255,255,255)
for row in range(header['height']-1,-1,-1):# (BMPs are L to R from the bottom L row)
for col in range(header['width']):
pixels += black if imgMtrx2D[row][col] else white
pixels += bmp_row_padding(header['width'], header['colordepth'])
if returnBinary:
return bmp_binary(header,pixels)
elif writeToFile==BMP_TEMPFILE:
handle,temppath = mkstemp(suffix='.bmp')
bmp_write(header, pixels, temppath)
return temppath
else:
try:
bmp_write(header, pixels, writeToFile)
return True
except:
return False
def selectFileForQLineEdit(parent, qObj, title="Select File", existing=False, \
ffilter=[]):
types = list(ffilter)
types.append('All files (*)')