calibre/src/calibre/gui2/layout.py
Kovid Goyal a68a13f75a ...
2011-04-17 13:41:17 -06:00

521 lines
19 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
__license__ = 'GPL v3'
__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
from functools import partial
from PyQt4.Qt import (QIcon, Qt, QWidget, QToolBar, QSize,
pyqtSignal, QToolButton, QMenu, QMenuBar, QAction,
QObject, QVBoxLayout, QSizePolicy, QLabel, QHBoxLayout, QActionGroup)
from calibre.constants import __appname__, isosx
from calibre.gui2.search_box import SearchBox2, SavedSearchBox
from calibre.gui2.throbber import ThrobbingButton
from calibre.gui2 import gprefs
from calibre.gui2.widgets import ComboBoxWithHelp
from calibre import human_readable
class LocationManager(QObject): # {{{
locations_changed = pyqtSignal()
unmount_device = pyqtSignal()
location_selected = pyqtSignal(object)
def __init__(self, parent=None):
QObject.__init__(self, parent)
self.free = [-1, -1, -1]
self.count = 0
self.location_actions = QActionGroup(self)
self.location_actions.setExclusive(True)
self.current_location = 'library'
self._mem = []
self.tooltips = {}
def ac(name, text, icon, tooltip):
icon = QIcon(I(icon))
ac = self.location_actions.addAction(icon, text)
setattr(self, 'location_'+name, ac)
ac.setAutoRepeat(False)
ac.setCheckable(True)
receiver = partial(self._location_selected, name)
ac.triggered.connect(receiver)
self.tooltips[name] = tooltip
if name != 'library':
m = QMenu(parent)
self._mem.append(m)
a = m.addAction(icon, tooltip)
a.triggered.connect(receiver)
self._mem.append(a)
a = m.addAction(QIcon(I('eject.png')), _('Eject this device'))
a.triggered.connect(self._eject_requested)
ac.setMenu(m)
self._mem.append(a)
else:
ac.setToolTip(tooltip)
ac.calibre_name = name
return ac
self.library_action = ac('library', _('Library'), 'lt.png',
_('Show books in calibre library'))
ac('main', _('Device'), 'reader.png',
_('Show books in the main memory of the device'))
ac('carda', _('Card A'), 'sd.png',
_('Show books in storage card A'))
ac('cardb', _('Card B'), 'sd.png',
_('Show books in storage card B'))
def set_switch_actions(self, quick_actions, rename_actions, delete_actions,
switch_actions, choose_action):
self.switch_menu = QMenu()
self.switch_menu.addAction(choose_action)
self.cs_menus = []
for t, acs in [(_('Quick switch'), quick_actions),
(_('Rename library'), rename_actions),
(_('Delete library'), delete_actions)]:
if acs:
self.cs_menus.append(QMenu(t))
for ac in acs:
self.cs_menus[-1].addAction(ac)
self.switch_menu.addMenu(self.cs_menus[-1])
self.switch_menu.addSeparator()
for ac in switch_actions:
self.switch_menu.addAction(ac)
self.library_action.setMenu(self.switch_menu)
def _location_selected(self, location, *args):
if location != self.current_location and hasattr(self,
'location_'+location):
self.current_location = location
self.location_selected.emit(location)
getattr(self, 'location_'+location).setChecked(True)
def _eject_requested(self, *args):
self.unmount_device.emit()
def update_devices(self, cp=(None, None), fs=[-1, -1, -1], icon=None):
if icon is None:
icon = I('reader.png')
self.location_main.setIcon(QIcon(icon))
had_device = self.has_device
if cp is None:
cp = (None, None)
if isinstance(cp, (str, unicode)):
cp = (cp, None)
if len(fs) < 3:
fs = list(fs) + [0]
self.free[0] = fs[0]
self.free[1] = fs[1]
self.free[2] = fs[2]
cpa, cpb = cp
self.free[1] = fs[1] if fs[1] is not None and cpa is not None else -1
self.free[2] = fs[2] if fs[2] is not None and cpb is not None else -1
self.update_tooltips()
if self.has_device != had_device:
self.location_library.setChecked(True)
self.locations_changed.emit()
if not self.has_device:
self.location_library.trigger()
def update_tooltips(self):
for i, loc in enumerate(('main', 'carda', 'cardb')):
t = self.tooltips[loc]
if self.free[i] > -1:
t += u'\n\n%s '%human_readable(self.free[i]) + _('available')
ac = getattr(self, 'location_'+loc)
ac.setToolTip(t)
ac.setWhatsThis(t)
ac.setStatusTip(t)
@property
def has_device(self):
return max(self.free) > -1
@property
def available_actions(self):
ans = [self.location_library]
for i, loc in enumerate(('main', 'carda', 'cardb')):
if self.free[i] > -1:
ans.append(getattr(self, 'location_'+loc))
return ans
# }}}
class SearchBar(QWidget): # {{{
def __init__(self, parent):
QWidget.__init__(self, parent)
self._layout = l = QHBoxLayout()
self.setLayout(self._layout)
self._layout.setContentsMargins(0,5,0,0)
x = ComboBoxWithHelp(self)
x.setMaximumSize(QSize(150, 16777215))
x.setObjectName("search_restriction")
x.setToolTip(_('Books display will be restricted to those matching the '
'selected saved search'))
l.addWidget(x)
parent.search_restriction = x
x = QLabel(self)
x.setObjectName("search_count")
l.addWidget(x)
parent.search_count = x
x.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
parent.advanced_search_button = x = QToolButton(self)
parent.advanced_search_button.setShortcut(_("Shift+Ctrl+F"))
x.setIcon(QIcon(I('search.png')))
l.addWidget(x)
x.setToolTip(_("Advanced search"))
x = parent.search = SearchBox2(self)
x.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
x.setObjectName("search")
x.setToolTip(_("<p>Search the list of books by title, author, publisher, "
"tags, comments, etc.<br><br>Words separated by spaces are ANDed"))
l.addWidget(x)
self.search_button = QToolButton()
self.search_button.setToolButtonStyle(Qt.ToolButtonTextOnly)
self.search_button.setText(_('&Go!'))
l.addWidget(self.search_button)
self.search_button.setSizePolicy(QSizePolicy.Minimum,
QSizePolicy.Minimum)
self.search_button.clicked.connect(parent.do_search_button)
self.search_button.setToolTip(
_('Do Quick Search (you can also press the Enter key)'))
x = parent.clear_button = QToolButton(self)
x.setIcon(QIcon(I('clear_left.png')))
x.setObjectName("clear_button")
l.addWidget(x)
x.setToolTip(_("Reset Quick Search"))
x = parent.highlight_only_button = QToolButton(self)
x.setIcon(QIcon(I('arrow-down.png')))
l.addWidget(x)
x = parent.saved_search = SavedSearchBox(self)
x.setMaximumSize(QSize(150, 16777215))
x.setMinimumContentsLength(15)
x.setObjectName("saved_search")
l.addWidget(x)
x = parent.copy_search_button = QToolButton(self)
x.setIcon(QIcon(I("search_copy_saved.png")))
x.setObjectName("copy_search_button")
l.addWidget(x)
x.setToolTip(_("Copy current search text (instead of search name)"))
x = parent.save_search_button = QToolButton(self)
x.setIcon(QIcon(I("search_add_saved.png")))
x.setObjectName("save_search_button")
l.addWidget(x)
x.setToolTip(_("Save current search under the name shown in the box"))
# }}}
class Spacer(QWidget): # {{{
def __init__(self, parent):
QWidget.__init__(self, parent)
self.l = QHBoxLayout()
self.setLayout(self.l)
self.l.addStretch(10)
# }}}
class MenuAction(QAction): # {{{
def __init__(self, clone, parent):
QAction.__init__(self, clone.text(), parent)
self.clone = clone
clone.changed.connect(self.clone_changed)
def clone_changed(self):
self.setText(self.clone.text())
# }}}
class MenuBar(QMenuBar): # {{{
def __init__(self, location_manager, parent):
QMenuBar.__init__(self, parent)
self.gui = parent
self.setNativeMenuBar(True)
self.location_manager = location_manager
self.location_manager.locations_changed.connect(self.build_bar)
self.added_actions = []
self.donate_action = QAction(_('Donate'), self)
self.donate_menu = QMenu()
self.donate_menu.addAction(self.gui.donate_action)
self.donate_action.setMenu(self.donate_menu)
self.build_bar()
def build_bar(self, changed_action=None):
showing_device = self.location_manager.has_device
actions = '-device' if showing_device else ''
actions = gprefs['action-layout-menubar'+actions]
show_main = len(actions) > 0
self.setVisible(show_main)
for ac in self.added_actions:
m = ac.menu()
if m is not None:
m.setVisible(False)
self.clear()
self.added_actions = []
self.action_map = {}
for what in actions:
if what is None:
continue
elif what == 'Location Manager':
for ac in self.location_manager.available_actions:
ac = self.build_menu(ac)
self.addAction(ac)
self.added_actions.append(ac)
elif what == 'Donate':
self.addAction(self.donate_action)
elif what in self.gui.iactions:
action = self.gui.iactions[what]
ac = self.build_menu(action.qaction)
self.addAction(ac)
self.added_actions.append(ac)
def build_menu(self, action):
m = action.menu()
ac = MenuAction(action, self)
if m is None:
m = QMenu()
m.addAction(action)
ac.setMenu(m)
return ac
# }}}
class BaseToolBar(QToolBar): # {{{
def __init__(self, parent):
QToolBar.__init__(self, parent)
self.setContextMenuPolicy(Qt.PreventContextMenu)
self.setMovable(False)
self.setFloatable(False)
self.setOrientation(Qt.Horizontal)
self.setAllowedAreas(Qt.TopToolBarArea|Qt.BottomToolBarArea)
self.setStyleSheet('QToolButton:checked { font-weight: bold }')
self.preferred_width = self.sizeHint().width()
def resizeEvent(self, ev):
QToolBar.resizeEvent(self, ev)
style = self.get_text_style()
self.setToolButtonStyle(style)
if hasattr(self, 'd_widget') and hasattr(self.d_widget, 'filler'):
self.d_widget.filler.setVisible(style != Qt.ToolButtonIconOnly)
def get_text_style(self):
style = Qt.ToolButtonTextUnderIcon
s = gprefs['toolbar_icon_size']
if s != 'off':
p = gprefs['toolbar_text']
if p == 'never':
style = Qt.ToolButtonIconOnly
elif p == 'auto' and self.preferred_width > self.width()+35:
style = Qt.ToolButtonIconOnly
return style
def contextMenuEvent(self, *args):
pass
# }}}
class ToolBar(BaseToolBar): # {{{
def __init__(self, donate, location_manager, child_bar, parent):
BaseToolBar.__init__(self, parent)
self.gui = parent
self.child_bar = child_bar
self.donate_button = donate
self.apply_settings()
self.location_manager = location_manager
self.location_manager.locations_changed.connect(self.build_bar)
donate.setAutoRaise(True)
donate.setCursor(Qt.PointingHandCursor)
self.added_actions = []
self.build_bar()
self.setAcceptDrops(True)
def apply_settings(self):
sz = gprefs['toolbar_icon_size']
sz = {'off':0, 'small':24, 'medium':48, 'large':64}[sz]
self.setIconSize(QSize(sz, sz))
self.child_bar.setIconSize(QSize(sz, sz))
style = Qt.ToolButtonTextUnderIcon
if sz > 0 and gprefs['toolbar_text'] == 'never':
style = Qt.ToolButtonIconOnly
self.setToolButtonStyle(style)
self.child_bar.setToolButtonStyle(style)
self.donate_button.set_normal_icon_size(sz, sz)
def build_bar(self):
self.showing_donate = False
showing_device = self.location_manager.has_device
mactions = '-device' if showing_device else ''
mactions = gprefs['action-layout-toolbar'+mactions]
cactions = gprefs['action-layout-toolbar-child']
show_main = len(mactions) > 0
self.setVisible(show_main)
show_child = len(cactions) > 0
self.child_bar.setVisible(show_child)
for ac in self.added_actions:
m = ac.menu()
if m is not None:
m.setVisible(False)
self.clear()
self.child_bar.clear()
self.added_actions = []
for bar, actions in ((self, mactions), (self.child_bar, cactions)):
for what in actions:
if what is None:
bar.addSeparator()
elif what == 'Location Manager':
for ac in self.location_manager.available_actions:
bar.addAction(ac)
bar.added_actions.append(ac)
bar.setup_tool_button(bar, ac, QToolButton.MenuButtonPopup)
elif what == 'Donate':
self.d_widget = QWidget()
self.d_widget.setLayout(QVBoxLayout())
self.d_widget.layout().addWidget(self.donate_button)
if isosx:
self.d_widget.setStyleSheet('QWidget, QToolButton {background-color: none; border: none; }')
self.d_widget.layout().setContentsMargins(0,0,0,0)
self.d_widget.setContentsMargins(0,0,0,0)
self.d_widget.filler = QLabel(u'\u00a0')
self.d_widget.layout().addWidget(self.d_widget.filler)
bar.addWidget(self.d_widget)
self.showing_donate = True
elif what in self.gui.iactions:
action = self.gui.iactions[what]
bar.addAction(action.qaction)
self.added_actions.append(action.qaction)
self.setup_tool_button(bar, action.qaction, action.popup_type)
self.preferred_width = self.sizeHint().width()
self.child_bar.preferred_width = self.child_bar.sizeHint().width()
def setup_tool_button(self, bar, ac, menu_mode=None):
ch = bar.widgetForAction(ac)
if ch is None:
ch = self.child_bar.widgetForAction(ac)
ch.setCursor(Qt.PointingHandCursor)
ch.setAutoRaise(True)
if ac.menu() is not None and menu_mode is not None:
ch.setPopupMode(menu_mode)
return ch
def database_changed(self, db):
pass
#support drag&drop from/to library from/to reader/card
def dragEnterEvent(self, event):
md = event.mimeData()
if md.hasFormat("application/calibre+from_library") or \
md.hasFormat("application/calibre+from_device"):
event.setDropAction(Qt.CopyAction)
event.accept()
else:
event.ignore()
def dragMoveEvent(self, event):
allowed = False
md = event.mimeData()
#Drop is only allowed in the location manager widget's different from the selected one
for ac in self.location_manager.available_actions:
w = self.widgetForAction(ac)
if w is not None:
if ( md.hasFormat("application/calibre+from_library") or \
md.hasFormat("application/calibre+from_device") ) and \
w.geometry().contains(event.pos()) and \
isinstance(w, QToolButton) and not w.isChecked():
allowed = True
break
if allowed:
event.acceptProposedAction()
else:
event.ignore()
def dropEvent(self, event):
data = event.mimeData()
mime = 'application/calibre+from_library'
if data.hasFormat(mime):
ids = list(map(int, str(data.data(mime)).split()))
tgt = None
for ac in self.location_manager.available_actions:
w = self.widgetForAction(ac)
if w is not None and w.geometry().contains(event.pos()):
tgt = ac.calibre_name
if tgt is not None:
if tgt == 'main':
tgt = None
self.gui.sync_to_device(tgt, False, send_ids=ids)
event.accept()
mime = 'application/calibre+from_device'
if data.hasFormat(mime):
paths = [unicode(u.toLocalFile()) for u in data.urls()]
if paths:
self.gui.iactions['Add Books'].add_books_from_device(
self.gui.current_view(), paths=paths)
event.accept()
# }}}
class MainWindowMixin(object): # {{{
def __init__(self, db):
self.setObjectName('MainWindow')
self.setWindowIcon(QIcon(I('library.png')))
self.setWindowTitle(__appname__)
self.setContextMenuPolicy(Qt.NoContextMenu)
self.centralwidget = QWidget(self)
self.setCentralWidget(self.centralwidget)
self._central_widget_layout = QVBoxLayout()
self.centralwidget.setLayout(self._central_widget_layout)
self.resize(1012, 740)
self.donate_button = ThrobbingButton()
self.location_manager = LocationManager(self)
self.iactions['Fetch News'].init_scheduler(db)
self.search_bar = SearchBar(self)
self.child_bar = BaseToolBar(self)
self.tool_bar = ToolBar(self.donate_button,
self.location_manager, self.child_bar, self)
self.addToolBar(Qt.TopToolBarArea, self.tool_bar)
self.addToolBar(Qt.BottomToolBarArea, self.child_bar)
self.menu_bar = MenuBar(self.location_manager, self)
self.setMenuBar(self.menu_bar)
self.setUnifiedTitleAndToolBarOnMac(True)
l = self.centralwidget.layout()
l.addWidget(self.search_bar)
# }}}