X-Git-Url: http://git.maemo.org/git/?p=gonvert;a=blobdiff_plain;f=src%2Fgonvert_qt.py;h=44677cf2dff741c053ca17c77a3b5e79d4fb19b8;hp=11ffc453a51aef40c2342efe45c043de3411074a;hb=ccae6ebacaeb1b6fce72381cc7e4d66da2af5cc0;hpb=a357e6ec803e94b0bd5d3db5726bdccec613b8a7 diff --git a/src/gonvert_qt.py b/src/gonvert_qt.py index 11ffc45..44677cf 100755 --- a/src/gonvert_qt.py +++ b/src/gonvert_qt.py @@ -6,29 +6,21 @@ from __future__ import with_statement import sys import os import math -import pickle +import simplejson import logging from PyQt4 import QtGui from PyQt4 import QtCore import constants +from util import misc as misc_utils import unit_data -try: - import gettext -except ImportError: - _ = lambda x: x - gettext = None -else: - _ = gettext.gettext - _moduleLogger = logging.getLogger("gonvert_glade") -if gettext is not None: - gettext.bindtextdomain('gonvert', '/usr/share/locale') - gettext.textdomain('gonvert') + +IS_MAEMO = True def change_menu_label(widgets, labelname, newtext): @@ -63,8 +55,8 @@ def split_number(number): class Gonvert(object): - ORIENTATION_HORIZONTAL = "ORIENTATION_HORIZONTAL" - ORIENTATION_VERTICAL = "ORIENTATION_VERTICAL" + # @todo get subwindows working + # @todo rotation support _DATA_PATHS = [ os.path.dirname(__file__), @@ -74,8 +66,7 @@ class Gonvert(object): '/usr/lib/gonvert', ] - def __init__(self): - self.__isPortrait = False + def __init__(self, app): self._dataPath = "" for dataPath in self._DATA_PATHS: appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png") @@ -84,11 +75,907 @@ class Gonvert(object): break else: raise RuntimeError("UI Descriptor not found!") + self._app = app + self._appIconPath = appIconPath + self._recent = [] + self._hiddenCategories = set() + self._hiddenUnits = {} + self._clipboard = QtGui.QApplication.clipboard() + + self._jumpWindow = None + self._recentWindow = None + self._catWindow = None + + self._jumpAction = QtGui.QAction(None) + self._jumpAction.setText("Quick Jump") + self._jumpAction.setStatusTip("Search for a unit and jump straight to it") + self._jumpAction.setToolTip("Search for a unit and jump straight to it") + self._jumpAction.setShortcut(QtGui.QKeySequence("CTRL+j")) + self._jumpAction.triggered.connect(self._on_jump_start) + + self._recentAction = QtGui.QAction(None) + self._recentAction.setText("Recent Units") + self._recentAction.setStatusTip("View the recent units") + self._recentAction.setToolTip("View the recent units") + self._recentAction.setShortcut(QtGui.QKeySequence("CTRL+r")) + self._recentAction.triggered.connect(self._on_recent_start) + + self._fullscreenAction = QtGui.QAction(None) + self._fullscreenAction.setText("Fullscreen") + self._fullscreenAction.setCheckable(True) + self._fullscreenAction.setShortcut(QtGui.QKeySequence("CTRL+Enter")) + self._fullscreenAction.toggled.connect(self._on_toggle_fullscreen) + + self._showFavoritesAction = QtGui.QAction(None) + self._showFavoritesAction.setCheckable(True) + self._showFavoritesAction.setText("Favorites Only") + + self._logAction = QtGui.QAction(None) + self._logAction.setText("Log") + self._logAction.setShortcut(QtGui.QKeySequence("CTRL+l")) + self._logAction.triggered.connect(self._on_log) + + self._quitAction = QtGui.QAction(None) + self._quitAction.setText("Quit") + self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q")) + self._quitAction.triggered.connect(self._on_quit) + + self._app.lastWindowClosed.connect(self._on_app_quit) + self.request_category() + self.load_settings() + + def request_category(self): + if self._catWindow is not None: + self._catWindow.close() + self._catWindow = None + self._catWindow = CategoryWindow(None, self) + self._catWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_catWindow", obj)) + return self._catWindow + + def search_units(self): + if self._jumpWindow is not None: + self._jumpWindow.close() + self._jumpWindow = None + self._jumpWindow = QuickJump(None, self) + self._jumpWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_jumpWindow", obj)) + return self._jumpWindow + + def show_recent(self): + if self._recentWindow is not None: + self._recentWindow.close() + self._recentWindow = None + self._recentWindow = Recent(None, self) + self._recentWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_recentWindow", obj)) + return self._recentWindow + + def add_recent(self, categoryName, unitName): + catUnit = categoryName, unitName + try: + self._recent.remove(catUnit) + except ValueError: + pass # ignore if its not already in the recent history + assert catUnit not in self._recent + self._recent.append(catUnit) + + def get_recent_unit(self, categoryName): + for catName, unitName in reversed(self._recent): + if catName == categoryName: + return unitName + else: + return "" + + def get_recent(self): + return reversed(self._recent) + + @property + def hiddenCategories(self): + return self._hiddenCategories + + def get_hidden_units(self, categoryName): + try: + return self._hiddenUnits[categoryName] + except KeyError: + self._hiddenUnits[categoryName] = set() + return self._hiddenUnits[categoryName] + + def load_settings(self): + try: + with open(constants._user_settings_, "r") as settingsFile: + settings = simplejson.load(settingsFile) + except IOError, e: + _moduleLogger.info("No settings") + settings = {} + except ValueError: + _moduleLogger.info("Settings were corrupt") + settings = {} + + self._fullscreenAction.setChecked(settings.get("isFullScreen", False)) + + recent = settings.get("recent", self._recent) + for category, unit in recent: + self.add_recent(category, unit) + + self._hiddenCategories = set(settings.get("hiddenCategories", set())) + self._hiddenUnits = dict( + (catName, set(units)) + for (catName, units) in settings.get("hiddenUnits", {}).iteritems() + ) + + self._showFavoritesAction.setChecked(settings.get("showFavorites", True)) + + if self._recent: + self._catWindow.select_category(self._recent[-1][0]) + + def save_settings(self): + settings = { + "isFullScreen": self._fullscreenAction.isChecked(), + "recent": self._recent, + "hiddenCategories": list(self._hiddenCategories), + "hiddenUnits": dict( + (catName, list(units)) + for (catName, units) in self._hiddenUnits.iteritems() + ), + "showFavorites": self._showFavoritesAction.isChecked(), + } + with open(constants._user_settings_, "w") as settingsFile: + simplejson.dump(settings, settingsFile) + + @property + def appIconPath(self): + return self._appIconPath + + @property + def jumpAction(self): + return self._jumpAction + + @property + def recentAction(self): + return self._recentAction + + @property + def fullscreenAction(self): + return self._fullscreenAction + + @property + def logAction(self): + return self._logAction + + @property + def quitAction(self): + return self._quitAction + + @property + def showFavoritesAction(self): + return self._showFavoritesAction + + def _walk_children(self): + if self._catWindow is not None: + yield self._catWindow + if self._jumpWindow is not None: + yield self._jumpWindow + if self._recentWindow is not None: + yield self._recentWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_app_quit(self, checked = False): + self.save_settings() + + @misc_utils.log_exception(_moduleLogger) + def _on_child_close(self, name, obj = None): + if not hasattr(self, name): + _moduleLogger.info("Something weird going on when we don't have a %s" % name) + return + setattr(self, name, None) + + @misc_utils.log_exception(_moduleLogger) + def _on_toggle_fullscreen(self, checked = False): + for window in self._walk_children(): + window.set_fullscreen(checked) + + @misc_utils.log_exception(_moduleLogger) + def _on_jump_start(self, checked = False): + self.search_units() + + @misc_utils.log_exception(_moduleLogger) + def _on_recent_start(self, checked = False): + self.show_recent() + + @misc_utils.log_exception(_moduleLogger) + def _on_log(self, checked = False): + with open(constants._user_logpath_, "r") as f: + logLines = f.xreadlines() + log = "".join(logLines) + self._clipboard.setText(log) + + @misc_utils.log_exception(_moduleLogger) + def _on_quit(self, checked = False): + for window in self._walk_children(): + window.close() + + +class QuickJump(object): + + MINIMAL_ENTRY = 3 + + def __init__(self, parent, app): + self._app = app + + self._searchLabel = QtGui.QLabel("Search:") + self._searchEntry = QtGui.QLineEdit("") + self._searchEntry.textEdited.connect(self._on_search_edited) + + self._entryLayout = QtGui.QHBoxLayout() + self._entryLayout.addWidget(self._searchLabel) + self._entryLayout.addWidget(self._searchEntry) + + self._resultsBox = QtGui.QTreeWidget() + self._resultsBox.setHeaderLabels(["Categories", "Units"]) + self._resultsBox.setHeaderHidden(True) + if not IS_MAEMO: + self._resultsBox.setAlternatingRowColors(True) + self._resultsBox.itemClicked.connect(self._on_result_clicked) + + self._layout = QtGui.QVBoxLayout() + self._layout.addLayout(self._entryLayout) + self._layout.addWidget(self._resultsBox) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + if parent is not None: + self._window.setWindowModality(QtCore.Qt.WindowModal) + self._window.setWindowTitle("%s - Quick Jump" % constants.__pretty_app_name__) + self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + self._closeWindowAction = QtGui.QAction(None) + self._closeWindowAction.setText("Close") + self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w")) + self._closeWindowAction.triggered.connect(self._on_close_window) + + if IS_MAEMO: + self._window.addAction(self._closeWindowAction) + self._window.addAction(self._app.quitAction) + self._window.addAction(self._app.fullscreenAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._closeWindowAction) + fileMenu.addAction(self._app.quitAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.fullscreenAction) + + self._window.addAction(self._app.logAction) + + self.set_fullscreen(self._app.fullscreenAction.isChecked()) + self._window.show() + + @property + def window(self): + return self._window + + def close(self): + self._window.close() + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_result_clicked(self, item, columnIndex): + categoryName = unicode(item.text(0)) + unitName = unicode(item.text(1)) + catWindow = self._app.request_category() + unitsWindow = catWindow.select_category(categoryName) + unitsWindow.select_unit(unitName) + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_search_edited(self, *args): + userInput = self._searchEntry.text() + if len(userInput) < self.MINIMAL_ENTRY: + return + + self._resultsBox.clear() + lowerInput = str(userInput).lower() + for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES): + units = unit_data.get_units(category) + for unitIndex, unit in enumerate(units): + loweredUnit = unit.lower() + if lowerInput in loweredUnit: + twi = QtGui.QTreeWidgetItem(self._resultsBox) + twi.setText(0, category) + twi.setText(1, unit) + + +class Recent(object): + + def __init__(self, parent, app): + self._app = app + + self._resultsBox = QtGui.QTreeWidget() + self._resultsBox.setHeaderLabels(["Categories", "Units"]) + self._resultsBox.setHeaderHidden(True) + if not IS_MAEMO: + self._resultsBox.setAlternatingRowColors(True) + self._resultsBox.itemClicked.connect(self._on_result_clicked) + + self._layout = QtGui.QVBoxLayout() + self._layout.addWidget(self._resultsBox) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + if parent is not None: + self._window.setWindowModality(QtCore.Qt.WindowModal) + self._window.setWindowTitle("%s - Recent" % constants.__pretty_app_name__) + self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + for cat, unit in self._app.get_recent(): + twi = QtGui.QTreeWidgetItem(self._resultsBox) + twi.setText(0, cat) + twi.setText(1, unit) + + self._closeWindowAction = QtGui.QAction(None) + self._closeWindowAction.setText("Close") + self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w")) + self._closeWindowAction.triggered.connect(self._on_close_window) + + if IS_MAEMO: + self._window.addAction(self._closeWindowAction) + self._window.addAction(self._app.quitAction) + self._window.addAction(self._app.fullscreenAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._closeWindowAction) + fileMenu.addAction(self._app.quitAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.fullscreenAction) + + self._window.addAction(self._app.logAction) + + self.set_fullscreen(self._app.fullscreenAction.isChecked()) + self._window.show() + + @property + def window(self): + return self._window + + def close(self): + self._window.close() + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_result_clicked(self, item, columnIndex): + categoryName = unicode(item.text(0)) + unitName = unicode(item.text(1)) + catWindow = self._app.request_category() + unitsWindow = catWindow.select_category(categoryName) + unitsWindow.select_unit(unitName) + self.close() + + +class FavoriteCategoriesWindow(object): + + def __init__(self, parent, app, source, hidden): + self._app = app + self._source = list(source) + self._hidden = hidden + + self._categories = QtGui.QTreeWidget() + self._categories.setHeaderLabels(["Categories"]) + self._categories.setHeaderHidden(True) + if not IS_MAEMO: + self._categories.setAlternatingRowColors(True) + self._categories.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) + self._categories.setSelectionMode(QtGui.QAbstractItemView.MultiSelection) + self._childWidgets = [] + for catName in self._source: + twi = QtGui.QTreeWidgetItem(self._categories) + twi.setText(0, catName) + self._childWidgets.append(twi) + if catName not in self._hidden: + self._categories.setItemSelected(twi, True) + self._selection = self._categories.selectionModel() + self._selection.selectionChanged.connect(self._on_selection_changed) + + self._allButton = QtGui.QPushButton("All") + self._allButton.clicked.connect(self._on_select_all) + self._invertButton = QtGui.QPushButton("Invert") + self._invertButton.clicked.connect(self._on_invert_selection) + self._noneButton = QtGui.QPushButton("None") + self._noneButton.clicked.connect(self._on_select_none) + + self._buttonLayout = QtGui.QHBoxLayout() + self._buttonLayout.addWidget(self._allButton) + self._buttonLayout.addWidget(self._invertButton) + self._buttonLayout.addWidget(self._noneButton) + + self._layout = QtGui.QVBoxLayout() + self._layout.addWidget(self._categories) + self._layout.addLayout(self._buttonLayout) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + if parent is not None: + self._window.setWindowModality(QtCore.Qt.WindowModal) + self._window.setWindowTitle("%s - Favorites" % constants.__pretty_app_name__) + self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + self._closeWindowAction = QtGui.QAction(None) + self._closeWindowAction.setText("Close") + self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w")) + self._closeWindowAction.triggered.connect(self._on_close_window) + + if IS_MAEMO: + self._window.addAction(self._closeWindowAction) + self._window.addAction(self._app.quitAction) + self._window.addAction(self._app.fullscreenAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._closeWindowAction) + fileMenu.addAction(self._app.quitAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.fullscreenAction) + + self._window.addAction(self._app.logAction) + + self.set_fullscreen(self._app.fullscreenAction.isChecked()) + self._window.show() + + @property + def window(self): + return self._window + + def close(self): + self._window.close() + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + + @misc_utils.log_exception(_moduleLogger) + def _on_select_all(self, checked = False): + for child in self._childWidgets: + self._categories.setItemSelected(child, True) + + @misc_utils.log_exception(_moduleLogger) + def _on_invert_selection(self, checked = False): + for child in self._childWidgets: + isSelected = self._categories.isItemSelected(child) + self._categories.setItemSelected(child, not isSelected) + + @misc_utils.log_exception(_moduleLogger) + def _on_select_none(self, checked = False): + for child in self._childWidgets: + self._categories.setItemSelected(child, False) + + @misc_utils.log_exception(_moduleLogger) + def _on_selection_changed(self, selected, deselected): + self._hidden.clear() + selectedNames = set( + str(item.text(0)) + for item in self._categories.selectedItems() + ) + for name in self._source: + if name not in selectedNames: + self._hidden.add(name) + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + +class CategoryWindow(object): + + def __init__(self, parent, app): + self._app = app + self._unitWindow = None + self._favoritesWindow = None - self._unitCategory = QtGui.QPushButton() + self._categories = QtGui.QTreeWidget() + self._categories.setHeaderLabels(["Categories"]) + self._categories.itemClicked.connect(self._on_category_clicked) + self._categories.setHeaderHidden(True) + if not IS_MAEMO: + self._categories.setAlternatingRowColors(True) + for catName in unit_data.UNIT_CATEGORIES: + twi = QtGui.QTreeWidgetItem(self._categories) + twi.setText(0, catName) + + self._layout = QtGui.QVBoxLayout() + self._layout.addWidget(self._categories) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + if parent is not None: + self._window.setWindowModality(QtCore.Qt.WindowModal) + self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__) + self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + self._chooseFavoritesAction = QtGui.QAction(None) + self._chooseFavoritesAction.setText("Select Favorites") + self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f")) + self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites) + + self._app.showFavoritesAction.toggled.connect(self._on_show_favorites) + + self._closeWindowAction = QtGui.QAction(None) + self._closeWindowAction.setText("Close") + self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w")) + self._closeWindowAction.triggered.connect(self._on_close_window) + + if IS_MAEMO: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.showFavoritesAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + + self._window.addAction(self._closeWindowAction) + self._window.addAction(self._app.quitAction) + self._window.addAction(self._app.fullscreenAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + fileMenu.addAction(self._closeWindowAction) + fileMenu.addAction(self._app.quitAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.showFavoritesAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.fullscreenAction) + + self._window.addAction(self._app.logAction) + + self._update_favorites() + self.set_fullscreen(self._app.fullscreenAction.isChecked()) + self._window.show() + + @property + def window(self): + return self._window + + def walk_children(self): + if self._unitWindow is not None: + yield self._unitWindow + if self._favoritesWindow is not None: + yield self._favoritesWindow + + def close(self): + for child in self.walk_children(): + child.close() + self._window.close() + + def select_category(self, categoryName): + for child in self.walk_children(): + child.close() + self._unitWindow = UnitWindow(self._window, categoryName, self._app) + self._unitWindow.window.destroyed.connect(self._on_child_close) + + i = unit_data.UNIT_CATEGORIES.index(categoryName) + rootIndex = self._categories.rootIndex() + currentIndex = self._categories.model().index(i, 0, rootIndex) + self._categories.scrollTo(currentIndex) + return self._unitWindow + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + for child in self.walk_children(): + child.set_fullscreen(isFullscreen) + + def _update_favorites(self): + if self._app.showFavoritesAction.isChecked(): + assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES) + for i, catName in enumerate(unit_data.UNIT_CATEGORIES): + if catName in self._app.hiddenCategories: + self._categories.setRowHidden(i, self._categories.rootIndex(), True) + else: + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + else: + for i in xrange(self._categories.topLevelItemCount()): + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_choose_favorites(self, obj = None): + assert self._favoritesWindow is None + self._favoritesWindow = FavoriteCategoriesWindow( + self._window, + self._app, + unit_data.UNIT_CATEGORIES, + self._app.hiddenCategories + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_show_favorites(self, checked = True): + if checked: + assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES) + for i, catName in enumerate(unit_data.UNIT_CATEGORIES): + if catName in self._app.hiddenCategories: + self._categories.setRowHidden(i, self._categories.rootIndex(), True) + else: + for i in xrange(self._categories.topLevelItemCount()): + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_close_favorites(self, obj = None): + self._favoritesWindow = None + self._update_favorites() + + @misc_utils.log_exception(_moduleLogger) + def _on_child_close(self, obj = None): + self._unitWindow = None + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_category_clicked(self, item, columnIndex): + categoryName = unicode(item.text(0)) + self.select_category(categoryName) + + +class UnitData(object): + + HEADERS = ["Name", "Value", "", "Unit"] + ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft] + NAME_COLUMN = 0 + VALUE_COLUMN_0 = 1 + VALUE_COLUMN_1 = 2 + UNIT_COLUMN = 3 + + def __init__(self, name, unit, description, conversion): + self._name = name + self._unit = unit + self._description = description + self._conversion = conversion + + self._value = 0.0 + self._integerDisplay, self._fractionalDisplay = split_number(self._value) + + @property + def name(self): + return self._name + + @property + def value(self): + return self._value + + def update_value(self, newValue): + self._value = newValue + self._integerDisplay, self._fractionalDisplay = split_number(newValue) + + @property + def unit(self): + return self._unit + + @property + def conversion(self): + return self._conversion + + def data(self, column): + try: + return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column] + except IndexError: + return None + + +class UnitModel(QtCore.QAbstractItemModel): + + def __init__(self, categoryName, parent=None): + super(UnitModel, self).__init__(parent) + self._categoryName = categoryName + self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName] + + self._children = [] + for key in unit_data.get_units(self._categoryName): + conversion, unit, description = self._unitData[key] + self._children.append(UnitData(key, unit, description, conversion)) + self._sortSettings = None + + @misc_utils.log_exception(_moduleLogger) + def columnCount(self, parent): + if parent.isValid(): + return 0 + else: + return len(UnitData.HEADERS) + + @misc_utils.log_exception(_moduleLogger) + def data(self, index, role): + if not index.isValid(): + return None + elif role == QtCore.Qt.TextAlignmentRole: + return UnitData.ALIGNMENT[index.column()] + elif role != QtCore.Qt.DisplayRole: + return None + + item = index.internalPointer() + if isinstance(item, UnitData): + return item.data(index.column()) + elif item is UnitData.HEADERS: + return item[index.column()] + + @misc_utils.log_exception(_moduleLogger) + def sort(self, column, order = QtCore.Qt.AscendingOrder): + self._sortSettings = column, order + isReverse = order == QtCore.Qt.AscendingOrder + if column == UnitData.NAME_COLUMN: + key_func = lambda item: item.name + elif column in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1]: + key_func = lambda item: item.value + elif column == UnitData.UNIT_COLUMN: + key_func = lambda item: item.unit + self._children.sort(key=key_func, reverse = isReverse) + + self._all_changed() + + @misc_utils.log_exception(_moduleLogger) + def flags(self, index): + if not index.isValid(): + return QtCore.Qt.NoItemFlags + + return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable + + @misc_utils.log_exception(_moduleLogger) + def headerData(self, section, orientation, role): + if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole: + return UnitData.HEADERS[section] + + return None + + @misc_utils.log_exception(_moduleLogger) + def index(self, row, column, parent): + if not self.hasIndex(row, column, parent): + return QtCore.QModelIndex() + + if parent.isValid(): + return QtCore.QModelIndex() + + parentItem = UnitData.HEADERS + childItem = self._children[row] + if childItem: + return self.createIndex(row, column, childItem) + else: + return QtCore.QModelIndex() + + @misc_utils.log_exception(_moduleLogger) + def parent(self, index): + if not index.isValid(): + return QtCore.QModelIndex() + + childItem = index.internalPointer() + if isinstance(childItem, UnitData): + return QtCore.QModelIndex() + elif childItem is UnitData.HEADERS: + return None + + @misc_utils.log_exception(_moduleLogger) + def rowCount(self, parent): + if 0 < parent.column(): + return 0 + + if not parent.isValid(): + return len(self._children) + else: + return len(self._children) + + def get_unit(self, index): + assert 0 <= index + return self._children[index] + + def get_unit_names(self): + for child in self._children: + yield child.name + + def index_unit(self, unitName): + for i, child in enumerate(self._children): + if child.name == unitName: + return i + else: + raise RuntimeError("Unit not found") + + def update_values(self, fromIndex, userInput): + value = self._sanitize_value(userInput) + func, arg = self._children[fromIndex].conversion + base = func.to_base(value, arg) + for i, child in enumerate(self._children): + if i == fromIndex: + continue + func, arg = child.conversion + newValue = func.from_base(base, arg) + child.update_value(newValue) + + if ( + self._sortSettings is not None and + self._sortSettings[0] in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1] + ): + self.sort(*self._sortSettings) + self._all_changed() + else: + self._values_changed() + + def __len__(self): + return len(self._children) + + def _values_changed(self): + topLeft = self.createIndex(0, UnitData.VALUE_COLUMN_0, self._children[0]) + bottomRight = self.createIndex(len(self._children)-1, UnitData.VALUE_COLUMN_1, self._children[-1]) + self.dataChanged.emit(topLeft, bottomRight) + + def _all_changed(self): + topLeft = self.createIndex(0, 0, self._children[0]) + bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1]) + self.dataChanged.emit(topLeft, bottomRight) + + def _sanitize_value(self, userEntry): + if self._categoryName == "Computer Numbers": + if userEntry == '': + value = '0' + else: + value = userEntry + else: + if userEntry == '': + value = 0.0 + else: + value = float(userEntry) + return value + + +class UnitWindow(object): + + def __init__(self, parent, category, app): + self._app = app + self._categoryName = category + self._selectedIndex = 0 + self._favoritesWindow = None self._selectedUnitName = QtGui.QLabel() self._selectedUnitValue = QtGui.QLineEdit() + self._selectedUnitValue.textEdited.connect(self._on_value_edited) self._selectedUnitSymbol = QtGui.QLabel() self._selectedUnitLayout = QtGui.QHBoxLayout() @@ -96,136 +983,261 @@ class Gonvert(object): self._selectedUnitLayout.addWidget(self._selectedUnitValue) self._selectedUnitLayout.addWidget(self._selectedUnitSymbol) - self._units = QtGui.QTreeWidget() + self._unitsModel = UnitModel(self._categoryName) + self._unitsView = QtGui.QTreeView() + self._unitsView.setModel(self._unitsModel) + self._unitsView.clicked.connect(self._on_unit_clicked) + self._unitsView.setUniformRowHeights(True) + self._unitsView.setSortingEnabled(True) + self._unitsView.setTextElideMode(QtCore.Qt.ElideNone) + self._unitsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff) + if not IS_MAEMO: + self._unitsView.setAlternatingRowColors(True) + if True: + self._unitsView.setHeaderHidden(True) + + viewHeader = self._unitsView.header() + viewHeader.setSortIndicatorShown(True) + viewHeader.setClickable(True) - self._searchButton = QtGui.QPushButton() - self._searchEntry = QtGui.QLineEdit() - self._searchCloseButton = QtGui.QPushButton() + viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.VALUE_COLUMN_0, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.VALUE_COLUMN_1, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.ResizeToContents) + viewHeader.setStretchLastSection(False) - self._searchLayout = QtGui.QHBoxLayout() - self._searchLayout.addWidget(self._searchButton) - self._searchLayout.addWidget(self._searchEntry) - self._searchLayout.addWidget(self._searchCloseButton) + # Trying to make things faster by locking in the initial size of the immutable columns + nameSize = viewHeader.sectionSize(UnitData.NAME_COLUMN) + viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.Fixed) + viewHeader.resizeSection(UnitData.NAME_COLUMN, nameSize) + unitSize = viewHeader.sectionSize(UnitData.UNIT_COLUMN) + viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.Fixed) + viewHeader.resizeSection(UnitData.UNIT_COLUMN, unitSize) self._layout = QtGui.QVBoxLayout() - self._layout.addWidget(self._unitCategory) self._layout.addLayout(self._selectedUnitLayout) - self._layout.addWidget(self._units) - self._layout.addLayout(self._searchLayout) + self._layout.addWidget(self._unitsView) centralWidget = QtGui.QWidget() centralWidget.setLayout(self._layout) - self._window = QtGui.QMainWindow() - self._window.setWindowTitle("%s - Unit Conversion Utility" % constants.__pretty_app_name__) - self._window.setWindowIcon(QtGui.QIcon(appIconPath)) + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + if parent is not None: + self._window.setWindowModality(QtCore.Qt.WindowModal) + self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category)) + self._window.setWindowIcon(QtGui.QIcon(app.appIconPath)) self._window.setCentralWidget(centralWidget) - self._load_settings() + defaultUnitName = self._app.get_recent_unit(self._categoryName) + if defaultUnitName: + self.select_unit(defaultUnitName) + else: + self._select_unit(0) + self._unitsModel.sort(UnitData.NAME_COLUMN) + + self._sortActionGroup = QtGui.QActionGroup(None) + self._sortByNameAction = QtGui.QAction(self._sortActionGroup) + self._sortByNameAction.setText("Sort By Name") + self._sortByNameAction.setStatusTip("Sort the units by name") + self._sortByNameAction.setToolTip("Sort the units by name") + self._sortByNameAction.setCheckable(True) + self._sortByValueAction = QtGui.QAction(self._sortActionGroup) + self._sortByValueAction.setText("Sort By Value") + self._sortByValueAction.setStatusTip("Sort the units by value") + self._sortByValueAction.setToolTip("Sort the units by value") + self._sortByValueAction.setCheckable(True) + self._sortByUnitAction = QtGui.QAction(self._sortActionGroup) + self._sortByUnitAction.setText("Sort By Unit") + self._sortByUnitAction.setStatusTip("Sort the units by unit") + self._sortByUnitAction.setToolTip("Sort the units by unit") + self._sortByUnitAction.setCheckable(True) + + self._sortByValueAction.setChecked(True) + + self._chooseFavoritesAction = QtGui.QAction(None) + self._chooseFavoritesAction.setText("Select Favorites") + self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f")) + self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites) + + self._app.showFavoritesAction.toggled.connect(self._on_show_favorites) + + self._previousUnitAction = QtGui.QAction(None) + self._previousUnitAction.setText("Previous Unit") + self._previousUnitAction.setShortcut(QtGui.QKeySequence("Up")) + self._previousUnitAction.triggered.connect(self._on_previous_unit) + + self._nextUnitAction = QtGui.QAction(None) + self._nextUnitAction.setText("Next Unit") + self._nextUnitAction.setShortcut(QtGui.QKeySequence("Down")) + self._nextUnitAction.triggered.connect(self._on_next_unit) + + self._closeWindowAction = QtGui.QAction(None) + self._closeWindowAction.setText("Close Window") + self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w")) + self._closeWindowAction.triggered.connect(self._on_close_window) + + if IS_MAEMO: + self._window.addAction(self._closeWindowAction) + self._window.addAction(self._app.quitAction) + self._window.addAction(self._app.fullscreenAction) + + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.showFavoritesAction) + viewMenu.addSeparator() + viewMenu.addAction(self._sortByNameAction) + viewMenu.addAction(self._sortByValueAction) + viewMenu.addAction(self._sortByUnitAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + fileMenu.addAction(self._closeWindowAction) + fileMenu.addAction(self._app.quitAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.showFavoritesAction) + viewMenu.addSeparator() + viewMenu.addAction(self._sortByNameAction) + viewMenu.addAction(self._sortByValueAction) + viewMenu.addAction(self._sortByUnitAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.fullscreenAction) + + self._sortByNameAction.triggered.connect(self._on_sort_by_name) + self._sortByValueAction.triggered.connect(self._on_sort_by_value) + self._sortByUnitAction.triggered.connect(self._on_sort_by_unit) + + self._window.addAction(self._app.logAction) + self._window.addAction(self._nextUnitAction) + self._window.addAction(self._previousUnitAction) + self._window.addAction(self._chooseFavoritesAction) + + self._update_favorites() + self.set_fullscreen(self._app.fullscreenAction.isChecked()) self._window.show() - self._hide_search() - - def _load_settings(self): - #Restore window size from previously saved settings if it exists and is valid. - windowDatPath = "/".join((constants._data_path_, "window.dat")) - if os.path.exists(windowDatPath): - saved_window = pickle.load(open(windowDatPath, "r")) - try: - a, b = saved_window['size'] - except KeyError: - pass - else: - self._window.resize(a, b) - try: - isFullscreen = saved_window["isFullscreen"] - except KeyError: - pass - else: - if isFullscreen: - self._window.fullscreen() - try: - isPortrait = saved_window["isPortrait"] - except KeyError: - pass - else: - if isPortrait ^ self.__isPortrait: - if isPortrait: - orientation = self.ORIENTATION_VERTICAL - else: - orientation = self.ORIENTATION_HORIZONTAL - self.set_orientation(orientation) - - #Restore selections from previously saved settings if it exists and is valid. - categoryIndex = 0 - selectedCategoryName = unit_data.UNIT_CATEGORIES[0] - selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) - if os.path.exists(selectionsDatPath): - selections = pickle.load(open(selectionsDatPath, 'r')) - try: - self._defaultUnitForCategory = selections['selected_units'] - except KeyError: - pass - - try: - selectedCategoryName = selections['selected_category'] - except KeyError: - pass - else: - try: - categoryIndex = unit_data.UNIT_CATEGORIES.index(selectedCategoryName) - except ValueError: - _moduleLogger.warn("Unknown category: %s" % selectedCategoryName) - - if False: - self._categorySelectionButton.get_child().set_markup("%s" % selectedCategoryName) - self._categoryView.set_cursor(categoryIndex, self._categoryColumn, False) - self._categoryView.grab_focus() - - self._select_default_unit() - - def _save_settings(self): - """ - This routine saves the selections to a file, and - should therefore only be called when exiting the program. - - Update selections dictionary which consists of the following keys: - 'self._selectedCategoryName': full name of selected category - 'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains: - [categoryname: #1 displayed unit, #2 displayed unit] - """ - if False: - #Determine the contents of the selected category row - selected, iter = self._categoryView.get_selection().get_selected() - self._selectedCategoryName = self._categoryModel.get_value(iter, 0) - - selections = { - 'selected_category': self._selectedCategoryName, - 'selected_units': self._defaultUnitForCategory - } - selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) - pickle.dump(selections, open(selectionsDatPath, 'w')) - - #Get last size of app and save it - window_settings = { - 'size': self._window.get_size(), - "isFullscreen": self._isFullScreen, - "isPortrait": self.__isPortrait, - } - windowDatPath = "/".join((constants._data_path_, "window.dat")) - pickle.dump(window_settings, open(windowDatPath, 'w')) - def set_orientation(self, orientation): - pass + @property + def window(self): + return self._window + + def close(self): + for child in self.walk_children(): + child.close() + self._window.close() + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + + def select_unit(self, unitName): + index = self._unitsModel.index_unit(unitName) + self._select_unit(index) + + def walk_children(self): + if self._favoritesWindow is not None: + yield self._favoritesWindow + + def _update_favorites(self, force = False): + if self._app.showFavoritesAction.isChecked(): + unitNames = list(self._unitsModel.get_unit_names()) + for i, unitName in enumerate(unitNames): + if unitName in self._app.get_hidden_units(self._categoryName): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True) + else: + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + else: + if force: + for i in xrange(len(self._unitsModel)): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_choose_favorites(self, obj = None): + assert self._favoritesWindow is None + self._favoritesWindow = FavoriteCategoriesWindow( + self._window, + self._app, + unit_data.get_units(self._categoryName), + self._app.get_hidden_units(self._categoryName) + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_show_favorites(self, checked = True): + if checked: + unitNames = list(self._unitsModel.get_unit_names()) + for i, unitName in enumerate(unitNames): + if unitName in self._app.get_hidden_units(self._categoryName): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True) + else: + for i in xrange(len(self._unitsModel)): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_close_favorites(self, obj = None): + self._favoritesWindow = None + self._update_favorites(force=True) + + @misc_utils.log_exception(_moduleLogger) + def _on_previous_unit(self, checked = True): + self._select_unit(self._selectedIndex - 1) + + @misc_utils.log_exception(_moduleLogger) + def _on_next_unit(self, checked = True): + self._select_unit(self._selectedIndex + 1) + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_name(self, checked = False): + self._unitsModel.sort(UnitData.NAME_COLUMN, QtCore.Qt.DescendingOrder) + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_value(self, checked = False): + self._unitsModel.sort(UnitData.VALUE_COLUMN_0) + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_unit(self, checked = False): + self._unitsModel.sort(UnitData.UNIT_COLUMN, QtCore.Qt.DescendingOrder) + + @misc_utils.log_exception(_moduleLogger) + def _on_unit_clicked(self, index): + self._select_unit(index.row()) + + @misc_utils.log_exception(_moduleLogger) + def _on_value_edited(self, *args): + userInput = self._selectedUnitValue.text() + self._unitsModel.update_values(self._selectedIndex, str(userInput)) + self._update_favorites() + + def _select_unit(self, index): + unit = self._unitsModel.get_unit(index) + self._selectedUnitName.setText(unit.name) + self._selectedUnitValue.setText(str(unit.value)) + self._selectedUnitSymbol.setText(unit.unit) - def _hide_search(self): - self._searchButton.hide() - self._searchEntry.hide() - self._searchCloseButton.hide() + self._selectedIndex = index + qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index)) + self._unitsView.scrollTo(qindex) + self._app.add_recent(self._categoryName, self._unitsModel.get_unit(index).name) def run_gonvert(): app = QtGui.QApplication([]) - handle = Gonvert() + handle = Gonvert(app) return app.exec_()