diff options
Diffstat (limited to 'src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp')
| -rw-r--r-- | src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp | 139 |
1 files changed, 45 insertions, 94 deletions
diff --git a/src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp b/src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp index cc73ad9a19..f562126ffd 100644 --- a/src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp +++ b/src/gui/doc/snippets/code/src_gui_util_qvalidator.cpp @@ -1,53 +1,19 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +#include <QLineEdit> +#include <QValidator> +#include <QWidget> + +namespace src_gui_util_qvalidator { + +struct Wrapper : public QWidget { + void wrapper0(); + void wrapper1(); + void wrapper2(); + void wrapper3(); +}; + +void Wrapper::wrapper0() { //! [0] QValidator *validator = new QIntValidator(100, 999, this); QLineEdit *edit = new QLineEdit(this); @@ -84,7 +50,11 @@ v.validate(str, pos); // returns Invalid str = "12cm"; v.validate(str, pos); // returns Invalid //! [1] +} // Wrapper::wrapper0 +void Wrapper::wrapper1() { +QString s; +QIntValidator v(100, 900, this); //! [2] int pos = 0; @@ -98,51 +68,10 @@ v.validate(s, pos); // returns Intermediate s = "50"; v.validate(s, pos); // returns Acceptable //! [2] +} // Wrapper::wrapper1 -//! [3] -// regexp: optional '-' followed by between 1 and 3 digits -QRegExp rx("-?\\d{1,3}"); -QValidator *validator = new QRegExpValidator(rx, this); - -QLineEdit *edit = new QLineEdit(this); -edit->setValidator(validator); -//! [3] - - -//! [4] -// integers 1 to 9999 -QRegExp rx("[1-9]\\d{0,3}"); -// the validator treats the regexp as "^[1-9]\\d{0,3}$" -QRegExpValidator v(rx, 0); -QString s; -int 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] +void Wrapper::wrapper2() { //! [5] // regexp: optional '-' followed by between 1 and 3 digits @@ -178,7 +107,7 @@ s = "A12345Z"; v.validate(s, pos); // Returns Acceptable s = "B12"; v.validate(s, pos); // Returns Intermediate // match most 'readme' files -re.setPattern("read\\S?me(\.(txt|asc|1st))?"); +re.setPattern("read\\S?me(\\.(txt|asc|1st))?"); re.setPatternOptions(QRegularExpression::CaseInsensitiveOption); v.setRegularExpression(re); s = "readme"; v.validate(s, pos); // Returns Acceptable @@ -186,3 +115,25 @@ 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 //! [6] + +} // Wrapper::wrapper2 + +void Wrapper::wrapper3() +{ +//! [7] +QString input = "0.98765e2"; +QDoubleValidator val; +val.setLocale(QLocale::C); +val.setNotation(QDoubleValidator::ScientificNotation); +val.fixup(input); // input == "9.8765e+01" +//! [7] +//! [8] +input = "-1234.6789"; +val.setDecimals(2); +val.setLocale(QLocale::C); +val.setNotation(QDoubleValidator::StandardNotation); +val.fixup(input); // input == "-1234.68" +//! [8] +} // Wrapper::wrapper3 + +} // src_gui_util_qvalidator |