fix(viewer): enable navigation in the image information dialog

libimageviewer/viewpanel/viewpanel.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2020 - 2024 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2020-2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -448,6 +448,8 @@ void LibViewPanel::initExtensionPanel()
     if (!m_extensionPanel) {
         m_extensionPanel = new ExtensionPanel(this);
         connect(m_info, &LibImageInfoWidget::extensionPanelHeight, m_extensionPanel, &ExtensionPanel::updateRectWithContent);
+        connect(m_extensionPanel, &ExtensionPanel::previousRequested, this, &LibViewPanel::showPrevious);
+        connect(m_extensionPanel, &ExtensionPanel::nextRequested, this, &LibViewPanel::showNext);
         connect(m_view, &LibImageGraphicsView::clicked, this, [ = ] {
             this->m_extensionPanel->hide();
             this->m_info->show();
@@ -1906,8 +1908,6 @@ void LibViewPanel::onMenuItemClicked(QAction *action)
             m_info->setImagePath(path); //执行强制重刷
             m_info->show();
             m_extensionPanel->setContent(m_info);
-            //清除焦点
-            m_extensionPanel->setFocus(Qt::NoFocusReason);
             m_extensionPanel->show();
             if (this->window()->isFullScreen() || this->window()->isMaximized()) {
                 m_extensionPanel->move(this->window()->width() - m_extensionPanel->width() - 24,

libimageviewer/widgets/extensionpanel.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2020 - 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2020-2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -192,6 +192,15 @@ void ExtensionPanel::init()
 //        emit hideExtensionPanel();
         this->hide();
     });
+
+    QShortcut *previousShortcut = new QShortcut(QKeySequence(Qt::Key_Left), this);
+    previousShortcut->setContext(Qt::WindowShortcut);
+    connect(previousShortcut, &QShortcut::activated, this, &ExtensionPanel::previousRequested);
+
+    QShortcut *nextShortcut = new QShortcut(QKeySequence(Qt::Key_Right), this);
+    nextShortcut->setContext(Qt::WindowShortcut);
+    connect(nextShortcut, &QShortcut::activated, this, &ExtensionPanel::nextRequested);
+
     // Esc
     m_scEsc = new QShortcut(QKeySequence(Qt::Key_Escape), this);
     m_scEsc->setContext(Qt::WindowShortcut);

libimageviewer/widgets/extensionpanel.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2020 - 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2020-2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -30,7 +30,9 @@
     void init();
 signals:
     void requestStopAnimation();
+    void previousRequested();
+    void nextRequested();
 public slots:
     void updateRectWithContent(int height);
 private:
     QColor m_coverBrush;