mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-09 03:04:10 -04:00
remove unused code
This commit is contained in:
Kovid Goyal
parent
7cb53c9c96
commit
9c9e903e83
@ -1,320 +0,0 @@
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#!/usr/bin/env python
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__license__ = 'GPL v3'
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__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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from functools import partial
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from qt.core import (
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QAbstractListModel, Qt, QKeySequence, QListView, QVBoxLayout, QLabel, QAbstractItemView,
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QHBoxLayout, QWidget, QApplication, QStyledItemDelegate, QStyle, QIcon, QAbstractItemDelegate,
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QTextDocument, QRectF, QFrame, QSize, QFont, QKeyEvent, QRadioButton, QPushButton, QToolButton, QEvent
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)
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from calibre.gui2 import error_dialog
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from calibre.utils.config import XMLConfig
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from calibre.utils.icu import sort_key
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DEFAULTS = Qt.ItemDataRole.UserRole
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DESCRIPTION = Qt.ItemDataRole.UserRole + 1
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CUSTOM = Qt.ItemDataRole.UserRole + 2
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KEY = Qt.ItemDataRole.UserRole + 3
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class Customize(QFrame):
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def __init__(self, index, dup_check, parent=None):
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QFrame.__init__(self, parent)
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self.setFrameShape(QFrame.Shape.StyledPanel)
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self.setFrameShadow(QFrame.Shadow.Raised)
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self.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
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self.setAutoFillBackground(True)
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self.l = l = QVBoxLayout(self)
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self.header = la = QLabel(self)
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la.setWordWrap(True)
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l.addWidget(la)
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self.default_shortcuts = QRadioButton(_("&Default"), self)
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self.custom = QRadioButton(_("&Custom"), self)
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self.custom.toggled.connect(self.custom_toggled)
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l.addWidget(self.default_shortcuts)
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l.addWidget(self.custom)
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for which in 1, 2:
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la = QLabel(_("&Shortcut:") if which == 1 else _("&Alternate shortcut:"))
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setattr(self, 'label%d' % which, la)
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h = QHBoxLayout()
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l.addLayout(h)
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h.setContentsMargins(25, -1, -1, -1)
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h.addWidget(la)
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b = QPushButton(_("Click to change"), self)
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la.setBuddy(b)
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b.clicked.connect(partial(self.capture_clicked, which=which))
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b.installEventFilter(self)
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setattr(self, 'button%d' % which, b)
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h.addWidget(b)
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c = QToolButton(self)
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c.setIcon(QIcon(I('clear_left.png')))
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c.setToolTip(_('Clear'))
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h.addWidget(c)
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c.clicked.connect(partial(self.clear_clicked, which=which))
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setattr(self, 'clear%d' % which, c)
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self.data_model = index.model()
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self.capture = 0
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self.key = None
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self.shorcut1 = self.shortcut2 = None
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self.dup_check = dup_check
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self.custom_toggled(False)
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def eventFilter(self, obj, event):
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if self.capture == 0 or obj not in (self.button1, self.button2):
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return QFrame.eventFilter(self, obj, event)
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t = event.type()
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if t == QEvent.Type.ShortcutOverride:
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event.accept()
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return True
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if t == QEvent.Type.KeyPress:
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self.key_press_event(event, 1 if obj is self.button1 else 2)
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return True
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return QFrame.eventFilter(self, obj, event)
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def clear_button(self, which):
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b = getattr(self, 'button%d' % which)
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s = getattr(self, 'shortcut%d' % which, None)
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b.setText(_('None') if s is None else s.toString(QKeySequence.SequenceFormat.NativeText))
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b.setFont(QFont())
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def clear_clicked(self, which=0):
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setattr(self, 'shortcut%d'%which, None)
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self.clear_button(which)
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def custom_toggled(self, checked):
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for w in ('1', '2'):
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for o in ('label', 'button', 'clear'):
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getattr(self, o+w).setEnabled(checked)
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def capture_clicked(self, which=1):
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self.capture = which
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for w in 1, 2:
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self.clear_button(w)
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button = getattr(self, 'button%d'%which)
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button.setText(_('Press a key...'))
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button.setFocus(Qt.FocusReason.OtherFocusReason)
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font = QFont()
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font.setBold(True)
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button.setFont(font)
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def key_press_event(self, ev, which=0):
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code = ev.key()
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if self.capture == 0 or code in (0, Qt.Key.Key_unknown,
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Qt.Key.Key_Shift, Qt.Key.Key_Control, Qt.Key.Key_Alt, Qt.Key.Key_Meta,
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Qt.Key.Key_AltGr, Qt.Key.Key_CapsLock, Qt.Key.Key_NumLock, Qt.Key.Key_ScrollLock):
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return QWidget.keyPressEvent(self, ev)
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sequence = QKeySequence(code|(int(ev.modifiers()) & (~Qt.KeyboardModifier.KeypadModifier)))
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setattr(self, 'shortcut%d'%which, sequence)
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self.clear_button(which)
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self.capture = 0
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dup_desc = self.dup_check(sequence, self.key)
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if dup_desc is not None:
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error_dialog(self, _('Already assigned'),
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str(sequence.toString(QKeySequence.SequenceFormat.NativeText)) + ' ' +
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_('already assigned to') + ' ' + dup_desc, show=True)
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self.clear_clicked(which=which)
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class Delegate(QStyledItemDelegate):
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def __init__(self, parent=None):
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QStyledItemDelegate.__init__(self, parent)
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self.editing_indices = {}
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self.closeEditor.connect(self.editing_done)
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def to_doc(self, index):
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doc = QTextDocument()
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doc.setHtml(index.data())
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return doc
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def editing_done(self, editor, hint):
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remove = None
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for row, w in self.editing_indices.items():
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remove = (row, w.data_model.index(row))
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if remove is not None:
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self.editing_indices.pop(remove[0])
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self.sizeHintChanged.emit(remove[1])
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def sizeHint(self, option, index):
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if index.row() in self.editing_indices:
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return QSize(200, 200)
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ans = self.to_doc(index).size().toSize()
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ans.setHeight(ans.height()+10)
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return ans
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def paint(self, painter, option, index):
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painter.save()
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painter.setClipRect(QRectF(option.rect))
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if hasattr(QStyle, 'CE_ItemViewItem'):
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QApplication.style().drawControl(QStyle.ControlElement.CE_ItemViewItem, option, painter)
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elif option.state & QStyle.StateFlag.State_Selected:
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painter.fillRect(option.rect, option.palette.highlight())
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painter.translate(option.rect.topLeft())
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self.to_doc(index).drawContents(painter)
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painter.restore()
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def createEditor(self, parent, option, index):
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w = Customize(index, index.model().duplicate_check, parent=parent)
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self.editing_indices[index.row()] = w
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self.sizeHintChanged.emit(index)
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return w
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def setEditorData(self, editor, index):
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defs = index.data(DEFAULTS)
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defs = _(' or ').join([str(x.toString(QKeySequence.SequenceFormat.NativeText)) for x in defs])
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editor.key = str(index.data(KEY))
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editor.default_shortcuts.setText(_('&Default') + ': %s' % defs)
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editor.default_shortcuts.setChecked(True)
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editor.header.setText('<b>%s: %s</b>'%(_('Customize shortcuts for'),
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str(index.data(DESCRIPTION))))
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custom = index.data(CUSTOM)
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if custom:
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editor.custom.setChecked(True)
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for x in (0, 1):
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button = getattr(editor, 'button%d'%(x+1))
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if len(custom) > x:
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seq = QKeySequence(custom[x])
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button.setText(seq.toString(QKeySequence.SequenceFormat.NativeText))
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setattr(editor, 'shortcut%d'%(x+1), seq)
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def setModelData(self, editor, model, index):
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self.closeEditor.emit(editor, QAbstractItemDelegate.EndEditHint.NoHint)
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custom = []
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if editor.custom.isChecked():
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for x in ('1', '2'):
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sc = getattr(editor, 'shortcut'+x, None)
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if sc is not None:
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custom.append(sc)
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model.set_data(index, custom)
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def updateEditorGeometry(self, editor, option, index):
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editor.setGeometry(option.rect)
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class Shortcuts(QAbstractListModel):
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TEMPLATE = '''
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<p><b>{0}</b><br>
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{2}: <code>{1}</code></p>
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'''
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def __init__(self, shortcuts, config_file_base_name, parent=None):
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QAbstractListModel.__init__(self, parent)
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self.descriptions = {}
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for k, v in shortcuts.items():
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self.descriptions[k] = v[-1]
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self.keys = {}
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for k, v in shortcuts.items():
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self.keys[k] = v[0]
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self.order = list(shortcuts)
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self.order.sort(key=lambda x : sort_key(self.descriptions[x]))
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self.sequences = {}
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for k, v in self.keys.items():
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self.sequences[k] = [QKeySequence(x) for x in v]
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self.custom = XMLConfig(config_file_base_name)
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def rowCount(self, parent):
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return len(self.order)
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def get_sequences(self, key):
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custom = self.custom.get(key, [])
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if custom:
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return [QKeySequence(x) for x in custom]
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return self.sequences[key]
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def get_match(self, event_or_sequence, ignore=tuple()):
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q = event_or_sequence
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if isinstance(q, QKeyEvent):
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q = QKeySequence(q.key()|(int(q.modifiers()) & (~Qt.KeyboardModifier.KeypadModifier)))
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for key in self.order:
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if key not in ignore:
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for seq in self.get_sequences(key):
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if seq.matches(q) == QKeySequence.SequenceMatch.ExactMatch:
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return key
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return None
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def duplicate_check(self, seq, ignore):
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key = self.get_match(seq, ignore=[ignore])
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if key is not None:
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return self.descriptions[key]
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def get_shortcuts(self, key):
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return [str(x.toString(QKeySequence.SequenceFormat.NativeText)) for x in
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self.get_sequences(key)]
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def data(self, index, role):
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row = index.row()
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if row < 0 or row >= len(self.order):
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return None
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key = self.order[row]
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if role == Qt.ItemDataRole.DisplayRole:
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return self.TEMPLATE.format(self.descriptions[key],
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_(' or ').join(self.get_shortcuts(key)), _('Keys'))
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if role == Qt.ItemDataRole.ToolTipRole:
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return _('Double click to change')
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if role == DEFAULTS:
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return self.sequences[key]
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if role == DESCRIPTION:
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return self.descriptions[key]
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if role == CUSTOM:
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if key in self.custom:
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return self.custom[key]
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else:
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return []
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if role == KEY:
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return key
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return None
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def set_data(self, index, custom):
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key = self.order[index.row()]
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if custom:
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self.custom[key] = [str(x.toString(QKeySequence.SequenceFormat.PortableText)) for x in custom]
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elif key in self.custom:
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del self.custom[key]
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def flags(self, index):
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if not index.isValid():
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return Qt.ItemFlag.ItemIsEnabled
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return QAbstractListModel.flags(self, index) | Qt.ItemFlag.ItemIsEditable
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class ShortcutConfig(QWidget):
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def __init__(self, model, parent=None):
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QWidget.__init__(self, parent)
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self._layout = QHBoxLayout()
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self.setLayout(self._layout)
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self.view = QListView(self)
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self._layout.addWidget(self.view)
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self.view.setModel(model)
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self.delegate = Delegate()
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self.view.setItemDelegate(self.delegate)
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self.delegate.sizeHintChanged.connect(self.scrollTo,
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type=Qt.ConnectionType.QueuedConnection)
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def scrollTo(self, index):
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self.view.scrollTo(index, QAbstractItemView.ScrollHint.EnsureVisible)
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@property
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def is_editing(self):
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return self.view.state() == QAbstractItemView.State.EditingState
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if __name__ == '__main__':
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app = QApplication([])
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from calibre.gui2.viewer.keys import SHORTCUTS
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model = Shortcuts(SHORTCUTS, 'shortcuts/viewer')
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conf = ShortcutConfig(model)
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conf.resize(400, 500)
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conf.show()
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app.exec()
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