1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#****************************************************************************
# modbutton.py, provides a button that signals its text
#
# ConvertAll, a units conversion program
# Copyright (C) 2014, Douglas W. Bell
#
# This is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License, either Version 2 or any later
# version. This program is distributed in the hope that it will be useful,
# but WITTHOUT ANY WARRANTY. See the included LICENSE file for details.
#*****************************************************************************
from PyQt4 import QtCore, QtGui
class ModButton(QtGui.QPushButton):
"""Button used to add operators, change exponent or clear unit.
"""
stateChg = QtCore.pyqtSignal()
def __init__(self, function, param, label, parent=None):
QtGui.QPushButton.__init__(self, label, parent)
self.function = function
self.param = param
self.setFocusPolicy(QtCore.Qt.NoFocus)
self.clicked.connect(self.exe)
def exe(self):
"""Execute function on button push.
"""
if self.param != None:
self.function(self.param)
else:
self.function()
self.stateChg.emit() # update listView
def sizeHint(self):
"""Adjust width smaller.
"""
size = QtGui.QPushButton.sizeHint(self)
size.setWidth(size.width() / 2)
return size
|
