greenhouse/libs/lib.py

84 lines
2.0 KiB
Python

from math import sqrt
from libs.ustr import ustr
import hashlib
try:
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
except ImportError:
from PyQt4.QtGui import *
from PyQt4.QtCore import *
def newIcon(icon):
return QIcon(':/' + icon)
def newButton(text, icon=None, slot=None):
b = QPushButton(text)
if icon is not None:
b.setIcon(newIcon(icon))
if slot is not None:
b.clicked.connect(slot)
return b
def newAction(parent, text, slot=None, shortcut=None, icon=None,
tip=None, checkable=False, enabled=True):
"""Create a new action and assign callbacks, shortcuts, etc."""
a = QAction(text, parent)
if icon is not None:
a.setIcon(newIcon(icon))
if shortcut is not None:
if isinstance(shortcut, (list, tuple)):
a.setShortcuts(shortcut)
else:
a.setShortcut(shortcut)
if tip is not None:
a.setToolTip(tip)
a.setStatusTip(tip)
if slot is not None:
a.triggered.connect(slot)
if checkable:
a.setCheckable(True)
a.setEnabled(enabled)
return a
def addActions(widget, actions):
for action in actions:
if action is None:
widget.addSeparator()
elif isinstance(action, QMenu):
widget.addMenu(action)
else:
widget.addAction(action)
def labelValidator():
return QRegExpValidator(QRegExp(r'^[^ \t].+'), None)
class struct(object):
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def distance(p):
return sqrt(p.x() * p.x() + p.y() * p.y())
def fmtShortcut(text):
mod, key = text.split('+', 1)
return '<b>%s</b>+<b>%s</b>' % (mod, key)
def generateColorByText(text):
s = ustr(text)
hashCode = int(hashlib.sha256(s.encode('utf-8')).hexdigest(), 16)
r = int((hashCode / 255) % 255)
g = int((hashCode / 65025) % 255)
b = int((hashCode / 16581375) % 255)
return QColor(r, g, b, 100)