1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from PySide6.QtCore import QRegularExpression, Property, Slot
from PySide6.QtGui import QRegularExpressionValidator
from PySide6.QtWidgets import (QComboBox, QDialog, QDialogButtonBox,
QFormLayout, QGroupBox, QHBoxLayout,
QLineEdit, QListWidget,
QListWidgetItem, QPushButton, QVBoxLayout,
)
DEFAULT_TYPES = ['int', 'str', 'PySide6.QtCore.QPoint', 'PySide6.QtCore.QRect',
'PySide6.QtCore.QSize', 'PySide6.QtGui.QColor']
FUNCTION_PATTERN = r'^\w+\([\w ,]*\)$'
class ValidatingInputDialog(QDialog):
"""A dialog for text input with a regular expression validation."""
def __init__(self, label, pattern, parent=None):
super().__init__(parent)
layout = QVBoxLayout(self)
self._form_layout = QFormLayout()
self._lineedit = QLineEdit()
self._lineedit.setClearButtonEnabled(True)
re = QRegularExpression(pattern)
assert re.isValid()
self._validator = QRegularExpressionValidator(re, self)
self._lineedit.setValidator(self._validator)
self._form_layout.addRow(label, self._lineedit)
layout.addLayout(self._form_layout)
bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
layout.addWidget(bb)
bb.rejected.connect(self.reject)
bb.accepted.connect(self.accept)
@Property(str)
def text(self):
return self._lineedit.text()
@text.setter
def text(self, t):
self._lineedit.setText(t)
@Property(str)
def placeholder_text(self):
return self._lineedit.placeholderText()
@placeholder_text.setter
def placeholder_text(self, t):
self._lineedit.setPlaceholderText(t)
@Property(int)
def cursor_position(self):
return self._lineedit.cursorPosition()
@cursor_position.setter
def cursor_position(self, p):
self._lineedit.setCursorPosition(p)
def is_valid(self):
return self.text
def accept(self):
if self.is_valid():
super(ValidatingInputDialog, self).accept()
class FunctionSignatureDialog(ValidatingInputDialog):
"""A dialog for input of function signatures."""
def __init__(self, name, parent=None):
super().__init__(name, FUNCTION_PATTERN, parent)
self.text = '()'
self.cursor_position = 0
class PropertyDialog(ValidatingInputDialog):
"""A dialog for input of a property name and type."""
def __init__(self, parent=None):
super().__init__('&Name:', r'^\w+$', parent)
self.setWindowTitle('Add a Property')
self._type_combo = QComboBox()
self._type_combo.addItems(DEFAULT_TYPES)
self._form_layout.insertRow(0, '&Type:', self._type_combo)
def property_type(self):
return self._type_combo.currentText()
class ListChooser(QGroupBox):
"""A widget for editing a list of strings with a customization point
for creating the strings."""
def __init__(self, title, parent=None):
super().__init__(title, parent)
main_layout = QHBoxLayout(self)
self._list = QListWidget(self)
self._list.currentItemChanged.connect(self._current_item_changed)
main_layout.addWidget(self._list)
vbox_layout = QVBoxLayout()
main_layout.addLayout(vbox_layout)
self._addButton = QPushButton("Add...")
vbox_layout.addWidget(self._addButton)
self._addButton.clicked.connect(self._add)
self._removeButton = QPushButton("Remove")
self._removeButton.setEnabled(False)
self._removeButton.clicked.connect(self._remove_current)
vbox_layout.addWidget(self._removeButton)
vbox_layout.addStretch()
@Property(list)
def items(self):
result = []
for i in range(self._list.count()):
result.append(self._list.item(i).text())
return result
@items.setter
def items(self, item_list):
self._list.clear()
for i in item_list:
self._list.append(i)
@Slot(QListWidgetItem, QListWidgetItem)
def _current_item_changed(self, current, previous):
self._removeButton.setEnabled(current is not None)
@Slot()
def _add(self):
new_item = self._create_new_item()
if new_item:
self._list.addItem(new_item)
def _create_new_item(self):
"""Overwrite to return a new item."""
return 'new_item'
@Slot()
def _remove_current(self):
row = self._list.row(self._list.currentItem())
if row >= 0:
self._list.takeItem(row)
class SignalChooser(ListChooser):
"""A widget for editing a list of signal function signatures."""
def __init__(self, parent=None):
super().__init__('Signals', parent)
def _create_new_item(self):
dialog = FunctionSignatureDialog('&Signal signature:', self)
dialog.setWindowTitle('Enter Signal')
if dialog.exec() != QDialog.Accepted:
return ''
return dialog.text
class PropertyChooser(ListChooser):
"""A widget for editing a list of properties as a string of 'type name'."""
def __init__(self, parent=None):
super().__init__('Properties', parent)
def _create_new_item(self):
dialog = PropertyDialog(self)
if dialog.exec() != QDialog.Accepted:
return ''
name = dialog.text
property_type = dialog.property_type()
return f'{property_type} {name}'
|
