diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_widgets_qvalidator.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_widgets_qvalidator.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_widgets_qvalidator.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_widgets_qvalidator.cpp new file mode 100644 index 000000000..b366dc2ab --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_widgets_qvalidator.cpp @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +validator = QIntValidator(100, 999, self) +edit = QLineEdit(self) + +# the edit lineedit will only accept integers between 100 and 999 +edit.setValidator(validator) +//! [0] + + +//! [1] +pos = 0 +v = QIntValidator(100, 900, self) + +str = "1" +v.validate(str, pos) # returns Intermediate +str = "012" +v.validate(str, pos) # returns Intermediate + +str = "123" +v.validate(str, pos) # returns Acceptable +str = "678" +v.validate(str, pos) # returns Acceptable + +str = "999" +v.validate(str, pos) # returns Intermediate + +str = "1234" +v.validate(str, pos) # returns Invalid +str = "-123" +v.validate(str, pos) # returns Invalid +str = "abc" +v.validate(str, pos) # returns Invalid +str = "12cm" +v.validate(str, pos) # returns Invalid +//! [1] + + +//! [2] +pos = 0 + +s = "abc" +v.validate(s, pos) # returns Invalid + +s = "5" +v.validate(s, pos) # returns Intermediate + +s = "50" +v.validate(s, pos) # returns Acceptable +//! [2] + + +//! [3] +# regexp: optional '-' followed by between 1 and 3 digits +rx = QRegExp("-?\\d{1,3}") +validator = QRegExpValidator(rx, self) + +edit = QLineEdit(self) +edit.setValidator(validator) +//! [3] + + +//! [4] +# integers 1 to 9999 +rx = QRegExp("[1-9]\\d{0,3}") +# the validator treats the regexp as "^[1-9]\\d{0,3}$" +v = QRegExpValidator(rx, 0) +pos = 0 + +s = "0" +v.validate(s, pos) # returns Invalid +s = "12345" +v.validate(s, pos) # returns Invalid +s = "1" +v.validate(s, pos) # returns Acceptable + +rx.setPattern("\\S+") # one or more non-whitespace characters +v.setRegExp(rx) +s = "myfile.txt" +v.validate(s, pos) # Returns Acceptable +s = "my file.txt" +v.validate(s, pos) # Returns Invalid + +# A, B or C followed by exactly five digits followed by W, X, Y or Z +rx.setPattern("[A-C]\\d{5}[W-Z]") +v.setRegExp(rx) +s = "a12345Z" +v.validate(s, pos) # Returns Invalid +s = "A12345Z" +v.validate(s, pos) # Returns Acceptable +s = "B12" +v.validate(s, pos) # Returns Intermediate + +# match most 'readme' files +rx.setPattern("read\\S?me(\.(txt|asc|1st))?") +rx.setCaseSensitive(false) +v.setRegExp(rx) +s = "readme" +v.validate(s, pos) # Returns Acceptable +s = "README.1ST" +v.validate(s, pos) # Returns Acceptable +s = "read me.txt" +v.validate(s, pos) # Returns Invalid +s = "readm" +v.validate(s, pos) # Returns Intermediate +//! [4] |