diff options
| -rw-r--r-- | src/citra_qt/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/citra_qt/util/spinbox.cpp | 303 | ||||
| -rw-r--r-- | src/citra_qt/util/spinbox.hxx | 88 |
3 files changed, 393 insertions, 0 deletions
diff --git a/src/citra_qt/CMakeLists.txt b/src/citra_qt/CMakeLists.txt index 98a48a69a..7bf44197d 100644 --- a/src/citra_qt/CMakeLists.txt +++ b/src/citra_qt/CMakeLists.txt @@ -11,6 +11,7 @@ set(SRCS debugger/graphics_cmdlists.cpp debugger/ramview.cpp debugger/registers.cpp + util/spinbox.cpp bootmanager.cpp hotkeys.cpp main.cpp @@ -26,6 +27,7 @@ set(HEADERS debugger/graphics_cmdlists.hxx debugger/ramview.hxx debugger/registers.hxx + util/spinbox.hxx bootmanager.hxx hotkeys.hxx main.hxx diff --git a/src/citra_qt/util/spinbox.cpp b/src/citra_qt/util/spinbox.cpp new file mode 100644 index 000000000..80dc67d7d --- /dev/null +++ b/src/citra_qt/util/spinbox.cpp @@ -0,0 +1,303 @@ +// Licensed under GPLv2+ +// Refer to the license.txt file included. + + +// Copyright 2014 Tony Wasserka +// All rights reserved. +// +// 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 owner 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. + +#include <QLineEdit> +#include <QRegExpValidator> + +#include "common/log.h" + +#include "spinbox.hxx" + +CSpinBox::CSpinBox(QWidget* parent) : QAbstractSpinBox(parent), base(10), min_value(-100), max_value(100), value(0), num_digits(0) +{ + // TODO: Might be nice to not immediately call the slot. + // Think of an address that is being replaced by a different one, in which case a lot + // invalid intermediate addresses would be read from during editing. + connect(lineEdit(), SIGNAL(textEdited(QString)), this, SLOT(OnEditingFinished())); + + UpdateText(); +} + +void CSpinBox::SetValue(qint64 val) +{ + auto old_value = value; + value = std::max(std::min(val, max_value), min_value); + + if (old_value != value) { + UpdateText(); + emit ValueChanged(value); + } +} + +void CSpinBox::SetRange(qint64 min, qint64 max) +{ + min_value = min; + max_value = max; + + SetValue(value); + UpdateText(); +} + +void CSpinBox::stepBy(int steps) +{ + auto new_value = value; + // Scale number of steps by the currently selected digit + // TODO: Move this code elsewhere and enable it. + // TODO: Support for num_digits==0, too + // TODO: Support base!=16, too + // TODO: Make the cursor not jump back to the end of the line... + /*if (base == 16 && num_digits > 0) { + int digit = num_digits - (lineEdit()->cursorPosition() - prefix.length()) - 1; + digit = std::max(0, std::min(digit, num_digits - 1)); + steps <<= digit * 4; + }*/ + + // Increment "new_value" by "steps", and perform annoying overflow checks, too. + if (steps < 0 && new_value + steps > new_value) { + new_value = std::numeric_limits<qint64>::min(); + } else if (steps > 0 && new_value + steps < new_value) { + new_value = std::numeric_limits<qint64>::max(); + } else { + new_value += steps; + } + + SetValue(new_value); + UpdateText(); +} + +QAbstractSpinBox::StepEnabled CSpinBox::stepEnabled() const +{ + StepEnabled ret = StepNone; + + if (value > min_value) + ret |= StepDownEnabled; + + if (value < max_value) + ret |= StepUpEnabled; + + return ret; +} + +void CSpinBox::SetBase(int base) +{ + this->base = base; + + UpdateText(); +} + +void CSpinBox::SetNumDigits(int num_digits) +{ + this->num_digits = num_digits; + + UpdateText(); +} + +void CSpinBox::SetPrefix(const QString& prefix) +{ + this->prefix = prefix; + + UpdateText(); +} + +void CSpinBox::SetSuffix(const QString& suffix) +{ + this->suffix = suffix; + + UpdateText(); +} + +static QString StringToInputMask(const QString& input) { + QString mask = input; + + // ... replace any special characters by their escaped counterparts ... + mask.replace("\\", "\\\\"); + mask.replace("A", "\\A"); + mask.replace("a", "\\a"); + mask.replace("N", "\\N"); + mask.replace("n", "\\n"); + mask.replace("X", "\\X"); + mask.replace("x", "\\x"); + mask.replace("9", "\\9"); + mask.replace("0", "\\0"); + mask.replace("D", "\\D"); + mask.replace("d", "\\d"); + mask.replace("#", "\\#"); + mask.replace("H", "\\H"); + mask.replace("h", "\\h"); + mask.replace("B", "\\B"); + mask.replace("b", "\\b"); + mask.replace(">", "\\>"); + mask.replace("<", "\\<"); + mask.replace("!", "\\!"); + + return mask; +} + +void CSpinBox::UpdateText() +{ + // If a fixed number of digits is used, we put the line edit in insertion mode by setting an + // input mask. + QString mask; + if (num_digits != 0) { + mask += StringToInputMask(prefix); + + // For base 10 and negative range, demand a single sign character + if (HasSign()) + mask += "X"; // identified as "-" or "+" in the validator + + // Uppercase digits greater than 9. + mask += ">"; + + // The greatest signed 64-bit number has 19 decimal digits. + // TODO: Could probably make this more generic with some logarithms. + // For reference, unsigned 64-bit can have up to 20 decimal digits. + int digits = (num_digits != 0) ? num_digits + : (base == 16) ? 16 + : (base == 10) ? 19 + : 0xFF; // fallback case... + + // Match num_digits digits + // Digits irrelevant to the chosen number base are filtered in the validator + mask += QString("H").repeated(std::max(num_digits, 1)); + + // Switch off case conversion + mask += "!"; + + mask += StringToInputMask(suffix); + } + lineEdit()->setInputMask(mask); + + // Set new text without changing the cursor position. This will cause the cursor to briefly + // appear at the end of the line and then to jump back to its original position. That's + // a bit ugly, but better than having setText() move the cursor permanently all the time. + int cursor_position = lineEdit()->cursorPosition(); + lineEdit()->setText(TextFromValue()); + lineEdit()->setCursorPosition(cursor_position); +} + +QString CSpinBox::TextFromValue() +{ + return prefix + + QString(HasSign() ? ((value < 0) ? "-" : "+") : "") + + QString("%1").arg(abs(value), num_digits, base, QLatin1Char('0')).toUpper() + + suffix; +} + +qint64 CSpinBox::ValueFromText() +{ + unsigned strpos = prefix.length(); + + QString num_string = text().mid(strpos, text().length() - strpos - suffix.length()); + return num_string.toLongLong(nullptr, base); +} + +bool CSpinBox::HasSign() const +{ + return base == 10 && min_value < 0; +} + +void CSpinBox::OnEditingFinished() +{ + // Only update for valid input + QString input = lineEdit()->text(); + int pos = 0; + if (QValidator::Acceptable == validate(input, pos)) + SetValue(ValueFromText()); +} + +QValidator::State CSpinBox::validate(QString& input, int& pos) const +{ + if (!prefix.isEmpty() && input.left(prefix.length()) != prefix) + return QValidator::Invalid; + + unsigned strpos = prefix.length(); + + // Empty "numbers" allowed as intermediate values + if (strpos >= input.length() - HasSign() - suffix.length()) + return QValidator::Intermediate; + + _dbg_assert_(GUI, base <= 10 || base == 16); + QString regexp; + + // Demand sign character for negative ranges + if (HasSign()) + regexp += "[+\\-]"; + + // Match digits corresponding to the chosen number base. + regexp += QString("[0-%1").arg(std::min(base, 9)); + if (base == 16) { + regexp += "a-fA-F"; + } + regexp += "]"; + + // Specify number of digits + if (num_digits > 0) { + regexp += QString("{%1}").arg(num_digits); + } else { + regexp += "+"; + } + + // Match string + QRegExp num_regexp(regexp); + int num_pos = strpos; + QString sub_input = input.mid(strpos, input.length() - strpos - suffix.length()); + + if (!num_regexp.exactMatch(sub_input) && num_regexp.matchedLength() == 0) + return QValidator::Invalid; + + sub_input = sub_input.left(num_regexp.matchedLength()); + bool ok; + qint64 val = sub_input.toLongLong(&ok, base); + + if (!ok) + return QValidator::Invalid; + + // Outside boundaries => don't accept + if (val < min_value || val > max_value) + return QValidator::Invalid; + + // Make sure we are actually at the end of this string... + strpos += num_regexp.matchedLength(); + + if (!suffix.isEmpty() && input.mid(strpos) != suffix) { + return QValidator::Invalid; + } else { + strpos += suffix.length(); + } + + if (strpos != input.length()) + return QValidator::Invalid; + + // At this point we can say for sure that the input is fine. Let's fix it up a bit though + input.replace(num_pos, sub_input.length(), sub_input.toUpper()); + + return QValidator::Acceptable; +} diff --git a/src/citra_qt/util/spinbox.hxx b/src/citra_qt/util/spinbox.hxx new file mode 100644 index 000000000..68f5b9894 --- /dev/null +++ b/src/citra_qt/util/spinbox.hxx @@ -0,0 +1,88 @@ +// Licensed under GPLv2+ +// Refer to the license.txt file included. + + +// Copyright 2014 Tony Wasserka +// All rights reserved. +// +// 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 owner 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. + + +#pragma once + +#include <QAbstractSpinBox> +#include <QtGlobal> + +class QVariant; + +/** + * A custom spin box widget with enhanced functionality over Qt's QSpinBox + */ +class CSpinBox : public QAbstractSpinBox { + Q_OBJECT + +public: + CSpinBox(QWidget* parent = nullptr); + + void stepBy(int steps) override; + StepEnabled stepEnabled() const override; + + void SetValue(qint64 val); + + void SetRange(qint64 min, qint64 max); + + void SetBase(int base); + + void SetPrefix(const QString& prefix); + void SetSuffix(const QString& suffix); + + void SetNumDigits(int num_digits); + + QValidator::State validate(QString& input, int& pos) const override; + +signals: + void ValueChanged(qint64 val); + +private slots: + void OnEditingFinished(); + +private: + void UpdateText(); + + bool HasSign() const; + + QString TextFromValue(); + qint64 ValueFromText(); + + qint64 min_value, max_value; + + qint64 value; + + QString prefix, suffix; + + int base; + + int num_digits; +}; |