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qtdefines.py
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################################################################################
#
# Copyright (C) 2011-2013, Alan C. Reiner <alan.reiner@gmail.com>
# Distributed under the GNU Affero General Public License (AGPL v3)
# See LICENSE or http://www.gnu.org/licenses/agpl.html
#
################################################################################
from armoryengine import *
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from armorycolors import Colors, htmlColor
from qrcodenative import QRCode, QRErrorCorrectLevel
from tempfile import mkstemp
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_NONE = QFrame.NoFrame
CHANGE_ADDR_DESCR_STRING = '[[ Change received ]]'
# TODO: switch to checking master branch once this is out
HTTP_VERSION_FILE = 'http://bitcoinarmory.com/versions.txt'
#HTTP_VERSION_FILE = 'https://raw.github.com/etotheipi/BitcoinArmory/logger/versions.txt'
#HTTP_VERSION_FILE = 'https://github.com/downloads/etotheipi/BitcoinArmory/versions.txt'
#HTTP_VERSION_FILE = 'http://bitcoinarmory.com/wp-content/uploads/2012/07/versions.txt'
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)
else:
fnt = QFont("DejaVu Sans Mono", sz)
elif ftype.lower().startswith('var'):
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)
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 'Standard'
elif mode==USERMODE.Advanced:
return 'Advanced'
elif mode==USERMODE.Expert:
return 'Expert'
#######
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, 'Offline']
else:
return [WLTTYPES.WatchOnly, 'Watching-Only']
elif wlt.useEncryption:
return [WLTTYPES.Crypt, 'Encrypted']
else:
return [WLTTYPES.Plain, '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)
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):
QLabel.__init__(self, coin2str(nSatoshi))
self.setValueText(nSatoshi, ndec, maxZeros, wColor, wBold)
def setValueText(self, nSatoshi, ndec=None, maxZeros=None, wColor=None, wBold=None):
"""
When we set the text of the QMoneyLabel, remember previous values unless
explicitly respecified
"""
if not ndec==None:
self.ndec = ndec
if not maxZeros==None:
self.max0 = maxZeros
if not wColor==None:
self.colr = wColor
if not wBold==None:
self.bold = wBold
theFont = GETFONT("Fixed", 10)
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)
################################################################################
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)
################################################################################
def createToolTipObject(tiptext, iconSz=2):
"""
The <u></u> is to signal to Qt that it should be interpretted as HTML/Rich
text even if no HTML tags are used. This appears to be necessary for Qt
to wrap the tooltip text
"""
fgColor = htmlColor('ToolTipQ')
lbl = QLabel('<font size=%d color=%s>(?)</font>' % (iconSz, fgColor))
lbl.setToolTip('<u></u>' + tiptext)
lbl.setMaximumWidth(relaxedSizeStr(lbl, '(?)')[0])
lbl.connect(lbl, SIGNAL('clicked()'), lambda: printlbl)
return lbl
################################################################################
def MsgBoxCustom(wtype, title, msg, wCancel=False, yesStr=None, noStr=None):
"""
Creates a message box with custom button text and icon
"""
class dlgWarn(QDialog):
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)
w,h = tightSizeNChar(lblMsg, 70)
lblMsg.setMinimumSize( w, 3.2*h )
buttonbox = QDialogButtonBox()
if dtype==MSGBOX.Question:
if not yesStr: yesStr = '&Yes'
if not noStr: noStr = '&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:
if not yesStr: yesStr = '&OK'
if not noStr: noStr = '&Cancel'
btnOk = QPushButton(yesStr)
self.connect(btnOk, SIGNAL('clicked()'), self.accept)
buttonbox.addButton(btnOk, QDialogButtonBox.AcceptRole)
if withCancel:
btnCancel = QPushButton(noStr)
self.connect(btnCancel, SIGNAL('clicked()'), self.reject)
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)
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(wtype, title, msg, dnaaMsg, wCancel=False, yesStr='Yes', noStr='No'):
"""
Creates a warning/question/critical dialog, but with a "Do not ask again"
checkbox. Will return a pair (response, DNAA-is-checked)
"""
class dlgWarn(QDialog):
def __init__(self, dtype, dtitle, wmsg, dmsg=None, withCancel=False):
super(dlgWarn, self).__init__(None)
msgIcon = QLabel()
fpix = ''
if dtype==MSGBOX.Info:
fpix = ':/MsgBox_info48.png'
if not dmsg: dmsg = 'Do not show this message again'
if dtype==MSGBOX.Question:
fpix = ':/MsgBox_question64.png'
if not dmsg: dmsg = 'Do not ask again'
if dtype==MSGBOX.Warning:
fpix = ':/MsgBox_warning48.png'
if not dmsg: dmsg = '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)
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(wtype, title, msg, dnaaMsg, wCancel)
result = dlg.exec_()
return (result, dlg.chkDnaa.isChecked())
def makeLayoutFrame(dirStr, widgetList, style=QFrame.NoFrame):
frm = QFrame()
frm.setFrameStyle(style)
frmLayout = QHBoxLayout()
if dirStr.lower().startswith('vert'):
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('vert'):
wid,hgt = hgt,wid
frmLayout.addItem( QSpacerItem(wid,hgt) )
elif isinstance(w,str) and w.lower().startswith('line'):
frmLine = QFrame()
if dirStr.lower().startswith('vert'):
frmLine.setFrameStyle(QFrame.HLine | QFrame.Plain)
else:
frmLine.setFrameStyle(QFrame.VLine | QFrame.Plain)
frmLayout.addWidget(frmLine)
elif isinstance(w,QSpacerItem):
frmLayout.addItem(w)
else:
frmLayout.addWidget(w)
frmLayout.setContentsMargins(5,5,5,5)
frm.setLayout(frmLayout)
return frm
def addFrame(widget, style=STYLE_SUNKEN):
return makeLayoutFrame('Horiz', [widget], style)
def makeVertFrame(widgetList, style=QFrame.NoFrame):
return makeLayoutFrame('Vert', widgetList, style)
def makeHorizFrame(widgetList, style=QFrame.NoFrame):
return makeLayoutFrame('Horiz', widgetList, style)
def QImageLabel(imgfn, stretch='NoStretch'):
if not os.path.exists(imgfn):
raise FileExistsError, 'Image for QImageLabel does not exist!'
lbl = QLabel()
lbl.setPixmap(QPixmap(imgfn))
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)
################################################################################
class ArmoryDialog(QDialog):
def __init__(self, parent=None, main=None):
super(ArmoryDialog, self).__init__(parent)
self.parent = parent
self.main = main
self.setFont(GETFONT('var'))
if USE_TESTNET:
self.setWindowTitle('Armory - Bitcoin Wallet Management [TESTNET]')
self.setWindowIcon(QIcon(':/armory_icon_green_32x32.png'))
else:
self.setWindowTitle('Armory - Bitcoin Wallet Management [MAIN NETWORK]')
self.setWindowIcon(QIcon(':/armory_icon_32x32.png'))
################################################################################
class QRCodeWidget(QWidget):
def __init__(self, asciiToEncode='', prefSize=160, errLevel=QRErrorCorrectLevel.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=QRErrorCorrectLevel.L, repaint=True):
if len(newAscii)==0:
self.qrmtrx = [[0]]
self.modCt = 1
self.pxScale= 1
return
self.theData = newAscii
sz=3
success=False
while sz<20:
try:
self.qr = QRCode(sz, errLevel)
self.qr.addData(self.theData)
self.qr.make()
success=True
break
except TypeError:
sz += 1
if not success:
LOGERROR('Unsuccessful attempt to create QR code')
self.qrmtrx = [[0]]
return
self.qrmtrx = []
self.modCt = self.qr.getModuleCount()
for r in range(self.modCt):
tempList = [0]*self.modCt
for c in range(self.modCt):
tempList[c] = 1 if self.qr.isDark(r,c) else 0
self.qrmtrx.append(tempList)
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[c][r]:
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[c][r]:
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)
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('<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 (*)')
typesStr = ';; '.join(types)
if not OS_MACOSX:
fullPath = unicode(QFileDialog.getOpenFileName(parent, \
title, ARMORY_HOME_DIR, typesStr))
else:
fullPath = unicode(QFileDialog.getOpenFileName(parent, \
title, ARMORY_HOME_DIR, typesStr, options=QFileDialog.DontUseNativeDialog))
if fullPath:
qObj.setText( fullPath)
def selectDirectoryForQLineEdit(par, qObj, title="Select Directory"):
initPath = ARMORY_HOME_DIR
currText = unicode(qObj.text()).strip()
if len(currText)>0:
if os.path.exists(currText):
initPath = currText
if not OS_MACOSX:
fullPath = unicode(QFileDialog.getExistingDirectory(par, title, initPath))
else:
fullPath = unicode(QFileDialog.getExistingDirectory(par, title, initPath, \
options=QFileDialog.DontUseNativeDialog))
if fullPath:
qObj.setText( fullPath)
def createDirectorySelectButton(parent, targetWidget, title="Select Directory"):
btn = QPushButton('')
ico = QIcon(QPixmap(':/folder24.png'))
btn.setIcon(ico)
fn = lambda: selectDirectoryForQLineEdit(parent, targetWidget, title)
parent.connect(btn, SIGNAL('clicked()'), fn)
return btn