From b6287452c4e115080d1e277944fe21f8da1e5036 Mon Sep 17 00:00:00 2001 From: Charles Haley Date: Thu, 15 Oct 2015 11:26:40 +0200 Subject: [PATCH] Keyboard modifiers (again) for delegates. Make CTRL+F2 clear the field's value for all fields. SHIFT+F2 sets date fields to now(). --- src/calibre/gui2/library/delegates.py | 75 +++++++++++++++------------ 1 file changed, 42 insertions(+), 33 deletions(-) diff --git a/src/calibre/gui2/library/delegates.py b/src/calibre/gui2/library/delegates.py index fae6f05a23..450a4a3409 100644 --- a/src/calibre/gui2/library/delegates.py +++ b/src/calibre/gui2/library/delegates.py @@ -158,6 +158,17 @@ ClearingDoubleSpinBox = make_clearing_spinbox(QDoubleSpinBox) # }}} +# setter for text-like delegates. Return '' if CTRL is pushed {{{ + +def get_val_for_textlike_columns(index_): + if QApplication.keyboardModifiers() == Qt.ControlModifier: + ct = '' + else: + ct = index_.data(Qt.DisplayRole) or '' + return unicode(ct) + +# }}} + class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ def __init__(self, *args, **kwargs): @@ -190,6 +201,13 @@ class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ r = 0 return u'\u2605'*r + def setEditorData(self, editor, index): + if QApplication.keyboardModifiers() == Qt.ControlModifier: + val = 0 + else: + val = index.data(Qt.EditRole) + editor.setValue(val) + def sizeHint(self, option, index): option.font = self.rf option.textElideMode = self.em @@ -223,8 +241,10 @@ class DateDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return DateTimeEdit(parent, self.format) def setEditorData(self, editor, index): - if QApplication.keyboardModifiers() == Qt.ShiftModifier: + if QApplication.keyboardModifiers() == Qt.ControlModifier: val = UNDEFINED_QDATETIME + elif QApplication.keyboardModifiers() == Qt.ShiftModifier: + val = now() else: val = index.data(Qt.EditRole) editor.setDateTime(val) @@ -251,7 +271,7 @@ class PubDateDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ def setEditorData(self, editor, index): val = index.data(Qt.EditRole) - if is_date_undefined(val): + if is_date_undefined(val) or QApplication.keyboardModifiers() == Qt.ControlModifier: val = QDate(2000, 1, 1) if isinstance(val, QDateTime): val = val.date() @@ -285,8 +305,7 @@ class TextDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return editor def setEditorData(self, editor, index): - ct = unicode(index.data(Qt.DisplayRole) or '') - editor.setText(ct) + editor.setText(get_val_for_textlike_columns(index)) editor.selectAll() def setModelData(self, editor, model, index): @@ -337,8 +356,7 @@ class CompleteDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return editor def setEditorData(self, editor, index): - ct = unicode(index.data(Qt.DisplayRole) or '') - editor.setText(ct) + editor.setText(get_val_for_textlike_columns(index)) editor.selectAll() def setModelData(self, editor, model, index): @@ -361,8 +379,7 @@ class LanguagesDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return editor def setEditorData(self, editor, index): - ct = unicode(index.data(Qt.DisplayRole) or '') - editor.show_initial_value(ct) + editor.show_initial_value(get_val_for_textlike_columns(index)) def setModelData(self, editor, model, index): val = ','.join(editor.lang_codes) @@ -397,8 +414,10 @@ class CcDateDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return DateTimeEdit(parent, self.format) def setEditorData(self, editor, index): - if QApplication.keyboardModifiers() == Qt.ShiftModifier: + if QApplication.keyboardModifiers() == Qt.ControlModifier: val = UNDEFINED_QDATETIME + elif QApplication.keyboardModifiers() == Qt.ShiftModifier: + val = now() else: m = index.model() # db col is not named for the field, but for the table number. To get it, @@ -437,8 +456,7 @@ class CcTextDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ return editor def setEditorData(self, editor, index): - ct = unicode(index.data(Qt.DisplayRole) or '') - editor.setText(ct) + editor.setText(get_val_for_textlike_columns(index)) editor.selectAll() def setModelData(self, editor, model, index): @@ -481,7 +499,7 @@ class CcNumberDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ def setEditorData(self, editor, index): m = index.model() val = m.db.data[index.row()][m.custom_columns[m.column_map[index.column()]]['rec_index']] - if val is None: + if val is None or QApplication.keyboardModifiers() == Qt.ControlModifier: val = 0 editor.setValue(val) @@ -532,7 +550,7 @@ class CcEnumDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ def setEditorData(self, editor, index): m = index.model() val = m.db.data[index.row()][m.custom_columns[m.column_map[index.column()]]['rec_index']] - if val is None: + if val is None or QApplication.keyboardModifiers() == Qt.ControlModifier: val = '' idx = editor.findText(val) if idx < 0: @@ -576,7 +594,10 @@ class CcCommentsDelegate(QStyledItemDelegate): # {{{ def createEditor(self, parent, option, index): m = index.model() col = m.column_map[index.column()] - text = m.db.data[index.row()][m.custom_columns[col]['rec_index']] + if QApplication.keyboardModifiers() == Qt.ControlModifier: + text = '' + else: + text = m.db.data[index.row()][m.custom_columns[col]['rec_index']] editor = CommentsDialog(parent, text, column_name=m.custom_columns[col]['name']) d = editor.exec_() if d: @@ -634,9 +655,10 @@ class CcBoolDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{ m = index.model() val = m.db.data[index.row()][m.custom_columns[m.column_map[index.column()]]['rec_index']] if not m.db.prefs.get('bools_are_tristate'): - val = 1 if not val else 0 + val = 1 if not val or QApplication.keyboardModifiers() != Qt.ControlModifier else 0 else: - val = 2 if val is None else 1 if not val else 0 + val = 2 if val is None or QApplication.keyboardModifiers() == Qt.ControlModifier \ + else 1 if not val else 0 editor.setCurrentIndex(val) # }}} @@ -652,7 +674,10 @@ class CcTemplateDelegate(QStyledItemDelegate): # {{{ def createEditor(self, parent, option, index): m = index.model() mi = m.db.get_metadata(index.row(), index_is_id=False) - text = m.custom_columns[m.column_map[index.column()]]['display']['composite_template'] + if QApplication.keyboardModifiers() == Qt.ControlModifier: + text = u'' + else: + text = m.custom_columns[m.column_map[index.column()]]['display']['composite_template'] editor = TemplateDialog(parent, text, mi) editor.setWindowTitle(_("Edit template")) editor.textbox.setTabChangesFocus(False) @@ -662,20 +687,4 @@ class CcTemplateDelegate(QStyledItemDelegate): # {{{ m.setData(index, (editor.rule[1]), Qt.EditRole) return None - def setModelData(self, editor, model, index): - val = unicode(editor.textbox.toPlainText()) - try: - validation_formatter.validate(val) - except Exception as err: - error_dialog(self.parent(), _('Invalid template'), - '

'+_('The template %s is invalid:')%val + - '
'+str(err), show=True) - model.setData(index, (val), Qt.EditRole) - - def setEditorData(self, editor, index): - m = index.model() - val = m.custom_columns[m.column_map[index.column()]]['display']['composite_template'] - editor.textbox.setPlainText(val) - - # }}}