refactor: use html resource to replace manual html in code

app/aboutdialog.cpp

@@ -5,144 +5,86 @@
 #include "aboutdialog.h"
 #include "ui_aboutdialog.h"
 
-#include <QAbstractButton>
-#include <QDialogButtonBox>
-#include <QTextBrowser>
-#include <QTabWidget>
-#include <QVBoxLayout>
 #include <QApplication>
-#include <QLabel>
-#include <QPushButton>
 #include <QFile>
 
 using namespace Qt::Literals::StringLiterals;
 
+static QString loadEmbeddedHtml(QString&& path) {
+    QFile htmlFile(path);
+    bool canOpenFile = htmlFile.open(QIODevice::ReadOnly);
+    QByteArray htmlRawContent = canOpenFile ? htmlFile.readAll() : QByteArrayLiteral("");
+    return QString::fromUtf8(htmlRawContent);
+}
+
 AboutDialog::AboutDialog(QWidget *parent)
     : QDialog(parent), ui(new Ui::AboutDialog)
 {
     ui->setupUi(this);
     setWindowFlag(Qt::WindowContextHelpButtonHint, false);
 
-    const QStringList helpStr {
-        u"<p>%1</p>"_s.arg(tr("Launch application with image file path as argument to load the file.")),
-        u"<p>%1</p>"_s.arg(tr("Drag and drop image file onto the window is also supported.")),
-        u"<p>%1</p>"_s.arg(tr("None of the operations in this application will alter the pictures on disk.")),
-        u"<p>%1</p>"_s.arg(tr("Context menu option explanation:")),
-        u"<ul>"_s,
     // blumia: Chain two arg() here since it seems lupdate will remove one of them if we use
     //         the old `arg(QCoreApp::translate(), tr())` way, but it's worth to mention
     //         `arg(QCoreApp::translate(), this->tr())` works, but lupdate will complain about the usage.
-        u"<li><b>%1</b>:<br/>%2</li>"_s
+    const QString HELP_HTML = loadEmbeddedHtml(u":/plain/help.html"_s)
-            .arg(QCoreApplication::translate("MainWindow", "Stay on top"))
+        .arg(tr("General Help"))
-            .arg(tr("Make window stay on top of all other windows.")),
+        .arg(tr("Launch application with image file path as argument to load the file."))
-        u"<li><b>%1</b>:<br/>%2</li>"_s
+        .arg(tr("Passing in a single image file will load all the images in that directory and start viewing from that image."))
-            .arg(QCoreApplication::translate("MainWindow", "Protected mode"))
+        .arg(tr("Passing in multiple image files lets you view them one by one."))
-            .arg(tr("Avoid close window accidentally. (eg. by double clicking the window)")),
+        .arg(tr("Drag and drop image file onto the window is also supported."))
-        u"<li><b>%1</b>:<br/>%2</li>"_s
+        .arg(tr("None of the operations in this application will alter the pictures on disk."))
-            .arg(QCoreApplication::translate("MainWindow", "Keep transformation", "The 'transformation' means the flip/rotation status that currently applied to the image view"))
+        .arg(tr("Context Menu Help"))
-            .arg(tr("Avoid resetting the zoom/rotation/flip state that was applied to the image view when switching between images.")),
+        .arg(tr("Keep transformation", "The same meaning of MainWindow's Keep transformation."))
-        u"</ul>"_s
+        .arg(tr("Avoid resetting the zoom/rotation/flip state that was applied to the image view when switching between images."));
-    };
 
-    const QStringList aboutStr {
+    const QString APP_NAME_ARG = qApp->applicationDisplayName();
-        u"<center><img width='128' height='128' src=':/icons/app-icon.svg'/><br/>"_s,
+    const QString APP_VERSION_ARG =
-        qApp->applicationDisplayName(),
-        (u"<br/>"_s + tr("Version: %1").arg(
 #ifdef GIT_DESCRIBE_VERSION_STRING
-            GIT_DESCRIBE_VERSION_STRING
+        GIT_DESCRIBE_VERSION_STRING;
 #else
-            qApp->applicationVersion()
+        qApp->applicationVersion();
 #endif // GIT_DESCRIBE_VERSION_STRING
-        )),
+    const QString QT_VERSION_ARG = QT_VERSION_STR;
-        u"<hr/>"_s,
+    const QString QT_ARCH_ARG = QSysInfo::buildCpuArchitecture();
-        tr("Copyright (c) %1 %2", "%1 is year, %2 is the name of copyright holder(s)")
+    const QString ABOUT_HTML = loadEmbeddedHtml(u":/plain/about.html"_s)
-            .arg(u"2026"_s, u"<a href='https://github.com/BLumia'>@BLumia</a>"_s),
+        .arg(APP_NAME_ARG)
-        u"<br/>"_s,
+        .arg(tr("Version: %1").arg(APP_VERSION_ARG))
-        tr("Logo designed by %1").arg(u"<a href='https://github.com/Lovelyblack'>@Lovelyblack</a>"_s),
+        .arg(tr("Upstream author"))
-        u"<hr/>"_s,
+        .arg(tr("Hard fork author"))
-        tr("Built with Qt %1 (%2)").arg(QT_VERSION_STR, QSysInfo::buildCpuArchitecture()),
+        .arg(tr("Logo designer"))
-        QStringLiteral("<br/><a href='%1'>%2</a>").arg("https://github.com/BLumia/pineapple-pictures", tr("Source code")),
+        .arg(tr("Built with Qt %1 (%2)").arg(QT_VERSION_ARG).arg(QT_ARCH_ARG))
-        u"</center>"_s
+        .arg(tr("Source code"));
-    };
 
-    QFile translaterHtml(u":/plain/translators.html"_s);
+    const QString SPECIAL_THANKS_HTML = loadEmbeddedHtml(u":/plain/special-thanks.html"_s)
-    bool canOpenFile = translaterHtml.open(QIODevice::ReadOnly);
+        .arg(tr("Contributors"))
-    const QByteArray & translatorList = canOpenFile ? translaterHtml.readAll() : QByteArrayLiteral("");
+        .arg(tr("List of contributors on GitHub"))
+        .arg(tr("Thanks to all people who contributed to this project."))
+        .arg(tr("Translators"))
+        .arg(tr("I would like to thank the following people who volunteered to translate this application."));
 
-    const QStringList specialThanksStr {
+    const QString LICENSE_HTML = loadEmbeddedHtml(u":/plain/license.html"_s)
-        u"<h1 align='center'>%1</h1><a href='%2'>%3</a><p>%4</p>"_s.arg(
+        .arg(tr("License"))
-            tr("Contributors"),
+        .arg(tr("This application is released under the MIT License."))
-            u"https://github.com/BLumia/pineapple-pictures/graphs/contributors"_s,
+        .arg(tr("License Verbatim Copy"));
-            tr("List of contributors on GitHub"),
-            tr("Thanks to all people who contributed to this project.")
-        ),
 
-        u"<h1 align='center'>%1</h1><p>%2</p>%3"_s.arg(
+    const QString THIRD_PARTY_LIBS_HTML = loadEmbeddedHtml(u":/plain/third-party-libs.html"_s)
-            tr("Translators"),
+        .arg(tr("Third-party Libraries"))
-            tr("I would like to thank the following people who volunteered to translate this application."),
+        .arg(tr("This application is built on the following free software libraries.", "Free as in freedom"))
-            translatorList
+        .arg(tr("Some of them are optional and might not be included with this distribution depending on the build environment."));
-        )
-    };
 
-    const QStringList licenseStr {
+    ui->m_helpTextEdit->setHtml(HELP_HTML);
-        u"<h1 align='center'><b>%1</b></h1>"_s.arg(tr("Your Rights")),
+    ui->m_helpTextEdit->setOpenExternalLinks(false);
-        u"<p>%1</p><p>%2</p><ul><li>%3</li><li>%4</li><li>%5</li><li>%6</li></ul>"_s.arg(
-            tr("%1 is released under the MIT License."), // %1
-            tr("This license grants people a number of freedoms:"), // %2
-            tr("You are free to use %1, for any purpose"), // %3
-            tr("You are free to distribute %1"), // %4
-            tr("You can study how %1 works and change it"), // %5
-            tr("You can distribute changed versions of %1") // %6
-        ).arg(u"<i>%1</i>"_s),
-        u"<p>%1</p>"_s.arg(tr("The MIT license guarantees you this freedom. Nobody is ever permitted to take it away.")),
-        u"<hr/><pre>%2</pre>"_s
-    };
 
-    const QString mitLicense(QStringLiteral(R"(Expat/MIT License
+    ui->m_aboutTextEdit->setHtml(ABOUT_HTML);
-
-Copyright &copy; 2026 BLumia
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-)"));
-
-    const QStringList thirdPartyLibsStr {
-        u"<h1 align='center'><b>%1</b></h1>"_s.arg(tr("Third-party Libraries used by %1")),
-        tr("%1 is built on the following free software libraries:", "Free as in freedom"),
-        u"<ul>"_s,
-#ifdef HAVE_EXIV2_VERSION
-        u"<li><a href='%1'>%2</a>: %3</li>"_s.arg("https://www.exiv2.org/", "Exiv2", "GPLv2"),
-#endif // EXIV2_VERSION
-        u"<li><a href='%1'>%2</a>: %3</li>"_s.arg("https://www.qt.io/", "Qt", "GPLv2 + GPLv3 + LGPLv2.1 + LGPLv3"),
-        u"</ul>"_s
-    };
-
-    ui->m_helpTextEdit->setText(helpStr.join('\n'));
-
-    ui->m_aboutTextEdit->setText(aboutStr.join('\n'));
     ui->m_aboutTextEdit->setOpenExternalLinks(true);
 
-    ui->m_specialThanksTextEdit->setText(specialThanksStr.join('\n'));
+    ui->m_specialThanksTextEdit->setHtml(SPECIAL_THANKS_HTML);
     ui->m_specialThanksTextEdit->setOpenExternalLinks(true);
 
-    ui->m_licenseTextEdit->setText(licenseStr.join('\n').arg(qApp->applicationDisplayName(), mitLicense));
+    ui->m_licenseTextEdit->setHtml(LICENSE_HTML);
+    ui->m_licenseTextEdit->setOpenExternalLinks(false);
 
-    ui->m_3rdPartyLibsTextEdit->setText(thirdPartyLibsStr.join('\n').arg(u"<i>%1</i>"_s).arg(qApp->applicationDisplayName()));
+    ui->m_3rdPartyLibsTextEdit->setHtml(THIRD_PARTY_LIBS_HTML);
     ui->m_3rdPartyLibsTextEdit->setOpenExternalLinks(true);
 
     connect(ui->m_buttonBox, QOverload<QAbstractButton *>::of(&QDialogButtonBox::clicked), this, [this](QAbstractButton * btn){

app/settings.cpp

@@ -80,7 +80,7 @@ Settings::MouseWheelBehavior Settings::mouseWheelBehavior() const
 Settings::WindowSizeBehavior Settings::initWindowSizeBehavior() const
 {
     QString result = m_qsettings->value("init_window_size_behavior", "").toString();
-    return QEnumHelper::fromString<WindowSizeBehavior>(result, WindowSizeBehavior::Maximized);
+    return QEnumHelper::fromString<WindowSizeBehavior>(result, WindowSizeBehavior::Windowed);
 }
 
 Qt::HighDpiScaleFactorRoundingPolicy Settings::hiDpiScaleFactorBehavior() const

assets/plain/about.html

@@ -0,0 +1,29 @@
+<center>
+    <p>
+        <img width='128' height='128' src=':/icons/app-icon.svg'/>
+        <br/>
+        <!-- Application name -->
+        <span>%1</span>
+        <br/>
+        <!-- Version info -->
+        <span>%2</span>
+    </p>
+    <hr/>
+    <p>
+        <!-- Upstream author and fork author -->
+        <span>%3</span><span>:&nbsp;</span><a href='https://github.com/BLumia'>@BLumia</a>
+        <br/>
+        <span>%4</span><span>:&nbsp;</span><a href='https://github.com/yyc12345'>@yyc12345</a>
+        <br/>
+        <!-- Icon author -->
+        <span>%5</span><span>:&nbsp;</span><a href='https://github.com/Lovelyblack'>@Lovelyblack</a>
+    </p>
+    <hr/>
+    <p>
+        <!-- Built Qt version info -->
+        <span>%6</span>
+        <br/>
+        <!-- Source code -->
+        <span>%7</span><span>:&nbsp;</span><a href='https://github.com/BLumia/pineapple-pictures'>GitHub</a>
+    </p>
+</center>

assets/plain/help.html

@@ -0,0 +1,24 @@
+<!-- General help -->
+<h1 align='center'>%1</h1>
+<ul>
+    <li>
+        <span>%2</span>
+        <ul>
+            <li>%3</li>
+            <li>%4</li>
+        </ul>
+    </li>
+    <li>%5</li>
+    <li>%6</li>
+</ul>
+<hr/>
+<!-- Context menu option help -->
+<h1 align='center'>%7</h1>
+<!-- Context menu option list -->
+<ul>
+    <li>
+        <b>%8</b><span>:</span>
+        <br/>
+        <span>%9</span>
+    </li>
+</ul>

assets/plain/license.html

@@ -0,0 +1,29 @@
+<!-- License -->
+<h1 align='center'><b>%1</b></h1>
+<p>%2</p>
+<hr/>
+<!-- VErbatime license -->
+<h1 align='center'><b>%3</b></h1>
+<pre>
+Expat/MIT License
+
+Copyright &copy; 2026 BLumia
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+</pre>

assets/plain/special-thanks.html

@@ -0,0 +1,32 @@
+<!-- Contributor title -->
+<h1 align='center'>%1</h1>
+<!-- Contributor list -->
+<a href='https://github.com/BLumia/pineapple-pictures/graphs/contributors'>%2</a>
+<!-- The message to thank these contributors -->
+<p>%3</p>
+
+<!-- Translator title -->
+<h1 align='center'>%4</h1>
+<!-- The message to thank these translators -->
+<p>%5</p>
+<ul>
+<li><u>Catalan</u>: Toni Estévez</li>
+<li><u>Chinese (Simplified)</u>: Percy Hong</li>
+<li><u>Dutch</u>: Heimen Stoffels</li>
+<li><u>French</u>: J. Lavoie, K. Herbert, Maxime Leroy</li>
+<li><u>German</u>: K. Herbert, J. Lavoie, sal0max</li>
+<li><u>Indonesian</u>: liimee, Reza Almanda</li>
+<li><u>Italian</u>: albanobattistella</li>
+<li><u>Japanese</u>: Black Cat, mmahhi, Percy Hong</li>
+<li><u>Korean</u>: VenusGirl</li>
+<li><u>Norwegian Bokmål</u>: Allan Nordhøy, ovl-1</li>
+<li><u>Punjabi (Pakistan)</u>: bgo-eiu</li>
+<li><u>Russian</u>: Sergey Shornikov, Artem, Andrey</li>
+<li><u>Sinhala</u>: HelaBasa</li>
+<li><u>Slovenian</u>: Andrej Poženel - SDT</li>
+<li><u>Spanish</u>: Toni Estévez, Génesis Toxical, William(ѕ)ⁿ, gallegonovato</li>
+<li><u>Tamil</u>: தமிழ்நேரம் (TamilNeram)</li>
+<li><u>Turkish</u>: E-Akcaer, Oğuz Ersen, Sabri Ünal</li>
+<li><u>Ukrainian</u>: Dan, volkov, Сергій</li>
+<li><u>Vietnamese</u>: Loc Huynh</li>
+</ul>

assets/plain/third-party-libs.html

@@ -0,0 +1,15 @@
+<!-- Title -->
+<h1 align='center'><b>%1</b></h1>
+<!-- List intro message -->
+<p>%2</p>
+<p>%3</p>
+<ul>
+    <li>
+        <a href='https://www.qt.io/'>Qt</a><span>: </span>
+        <span>GPLv2 + GPLv3 + LGPLv2.1 + LGPLv3</span>
+    </li>
+    <li style="display: none;">
+        <a href='https://www.exiv2.org/'>Exiv2</a><span>: </span>
+        <span>GPLv2</span>
+    </li>
+</ul>

assets/resources.qrc

@@ -10,6 +10,10 @@
         <file>icons/window-close.svg</file>
         <file>icons/go-next.svg</file>
         <file>icons/go-previous.svg</file>
-        <file>plain/translators.html</file>
+        <file>plain/help.html</file>
+        <file>plain/about.html</file>
+        <file>plain/special-thanks.html</file>
+        <file>plain/license.html</file>
+        <file>plain/third-party-libs.html</file>
     </qresource>
 </RCC>