git.maemo.org Git - gonvert/blob - src/gonvert_qt.py

   1 #!/usr/bin/env python
   2 # -*- coding: UTF8 -*-
   3
   4 from __future__ import with_statement
   5
   6 import sys
   7 import os
   8 import math
   9 import pickle
  10 import logging
  11
  12 from PyQt4 import QtGui
  13 from PyQt4 import QtCore
  14
  15 import constants
  16 import unit_data
  17
  18 try:
  19         import gettext
  20 except ImportError:
  21         _ = lambda x: x
  22         gettext = None
  23 else:
  24         _ = gettext.gettext
  25
  26
  27 _moduleLogger = logging.getLogger("gonvert_glade")
  28
  29 if gettext is not None:
  30         gettext.bindtextdomain('gonvert', '/usr/share/locale')
  31         gettext.textdomain('gonvert')
  32
  33
  34 def change_menu_label(widgets, labelname, newtext):
  35         item_label = widgets.get_widget(labelname).get_children()[0]
  36         item_label.set_text(newtext)
  37
  38
  39 def split_number(number):
  40         try:
  41                 fractional, integer = math.modf(number)
  42         except TypeError:
  43                 integerDisplay = number
  44                 fractionalDisplay = ""
  45         else:
  46                 integerDisplay = str(integer)
  47                 fractionalDisplay = str(fractional)
  48                 if "e+" in integerDisplay:
  49                         integerDisplay = number
  50                         fractionalDisplay = ""
  51                 elif "e-" in fractionalDisplay and 0.0 < integer:
  52                         integerDisplay = number
  53                         fractionalDisplay = ""
  54                 elif "e-" in fractionalDisplay:
  55                         integerDisplay = ""
  56                         fractionalDisplay = number
  57                 else:
  58                         integerDisplay = integerDisplay.split(".", 1)[0] + "."
  59                         fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
  60
  61         return integerDisplay, fractionalDisplay
  62
  63
  64 class Gonvert(object):
  65
  66         _DATA_PATHS = [
  67                 os.path.dirname(__file__),
  68                 os.path.join(os.path.dirname(__file__), "../data"),
  69                 os.path.join(os.path.dirname(__file__), "../lib"),
  70                 '/usr/share/gonvert',
  71                 '/usr/lib/gonvert',
  72         ]
  73
  74         def __init__(self):
  75                 self._dataPath = ""
  76                 for dataPath in self._DATA_PATHS:
  77                         appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png")
  78                         if os.path.isfile(appIconPath):
  79                                 self._dataPath = dataPath
  80                                 break
  81                 else:
  82                         raise RuntimeError("UI Descriptor not found!")
  83
  84                 self._catWindow = CategoryWindow(None, appIconPath)
  85
  86
  87 class CategoryWindow(object):
  88
  89         def __init__(self, parent, appIconPath):
  90                 self._categories = QtGui.QTreeWidget()
  91
  92                 self._layout = QtGui.QVBoxLayout()
  93                 self._layout.addWidget(self._categories)
  94
  95                 centralWidget = QtGui.QWidget()
  96                 centralWidget.setLayout(self._layout)
  97
  98                 self._window = QtGui.QMainWindow()
  99                 self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__)
 100                 self._window.setWindowIcon(QtGui.QIcon(appIconPath))
 101                 self._window.setCentralWidget(centralWidget)
 102
 103                 self._window.show()
 104
 105
 106 class UnitWindow(object):
 107
 108         def __init__(self, parent, category, appIconPath):
 109                 self._selectedUnitName = QtGui.QLabel()
 110                 self._selectedUnitValue = QtGui.QLineEdit()
 111                 self._selectedUnitSymbol = QtGui.QLabel()
 112
 113                 self._selectedUnitLayout = QtGui.QHBoxLayout()
 114                 self._selectedUnitLayout.addWidget(self._selectedUnitName)
 115                 self._selectedUnitLayout.addWidget(self._selectedUnitValue)
 116                 self._selectedUnitLayout.addWidget(self._selectedUnitSymbol)
 117
 118                 self._units = QtGui.QTreeWidget()
 119
 120                 self._searchButton = QtGui.QPushButton()
 121                 self._searchEntry = QtGui.QLineEdit()
 122                 self._searchCloseButton = QtGui.QPushButton()
 123
 124                 self._searchLayout = QtGui.QHBoxLayout()
 125                 self._searchLayout.addWidget(self._searchButton)
 126                 self._searchLayout.addWidget(self._searchEntry)
 127                 self._searchLayout.addWidget(self._searchCloseButton)
 128
 129                 self._layout = QtGui.QVBoxLayout()
 130                 self._layout.addLayout(self._selectedUnitLayout)
 131                 self._layout.addWidget(self._units)
 132                 self._layout.addLayout(self._searchLayout)
 133
 134                 centralWidget = QtGui.QWidget()
 135                 centralWidget.setLayout(self._layout)
 136
 137                 self._window = QtGui.QMainWindow()
 138                 self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category))
 139                 self._window.setWindowIcon(QtGui.QIcon(appIconPath))
 140                 self._window.setCentralWidget(centralWidget)
 141
 142                 self._window.show()
 143                 self._hide_search()
 144
 145         def _hide_search(self):
 146                 self._searchButton.hide()
 147                 self._searchEntry.hide()
 148                 self._searchCloseButton.hide()
 149
 150
 151 def run_gonvert():
 152         app = QtGui.QApplication([])
 153         handle = Gonvert()
 154         return app.exec_()
 155
 156
 157 if __name__ == "__main__":
 158         logging.basicConfig(level = logging.DEBUG)
 159         try:
 160                 os.makedirs(constants._data_path_)
 161         except OSError, e:
 162                 if e.errno != 17:
 163                         raise
 164
 165         val = run_gonvert()
 166         sys.exit(val)