Icon theme for DocPage Organizer

Pdf4QtDocPageOrganizer/mainwindow.cpp

@@ -93,6 +93,50 @@ MainWindow::MainWindow(QWidget* parent) :
     ui->actionRegroup_by_Bookmarks->setData(int(Operation::RegroupBookmarks));
     ui->actionRegroup_by_Alternating_Pages->setData(int(Operation::RegroupAlternatingPages));
     ui->actionRegroup_by_Alternating_Pages_Reversed_Order->setData(int(Operation::RegroupAlternatingPagesReversed));
+    ui->actionPrepare_Icon_Theme->setData(int(Operation::PrepareIconTheme));
+
+    m_iconTheme.registerAction(ui->actionAddDocument, ":/pdfdocpage/resources/open.svg");
+    m_iconTheme.registerAction(ui->actionClose, ":/pdfdocpage/resources/close.svg");
+    m_iconTheme.registerAction(ui->actionCloneSelection, ":/pdfdocpage/resources/clone-selection.svg");
+    m_iconTheme.registerAction(ui->actionRemoveSelection, ":/pdfdocpage/resources/remove-selection.svg");
+    m_iconTheme.registerAction(ui->actionRestoreRemovedItems, ":/pdfdocpage/resources/restore-removed-items.svg");
+    m_iconTheme.registerAction(ui->actionInsert_PDF, ":/pdfdocpage/resources/insert-page-from-pdf.svg");
+    m_iconTheme.registerAction(ui->actionInsert_Image, ":/pdfdocpage/resources/insert-image.svg");
+    m_iconTheme.registerAction(ui->actionInsert_Empty_Page, ":/pdfdocpage/resources/insert-empty-page.svg");
+    m_iconTheme.registerAction(ui->actionCut, ":/pdfdocpage/resources/cut.svg");
+    m_iconTheme.registerAction(ui->actionCopy, ":/pdfdocpage/resources/copy.svg");
+    m_iconTheme.registerAction(ui->actionPaste, ":/pdfdocpage/resources/paste.svg");
+    m_iconTheme.registerAction(ui->actionReplaceSelection, ":/pdfdocpage/resources/replace-selection.svg");
+    m_iconTheme.registerAction(ui->actionSelect_None, ":/pdfdocpage/resources/select-none.svg");
+    m_iconTheme.registerAction(ui->actionSelect_All, ":/pdfdocpage/resources/select-all.svg");
+    m_iconTheme.registerAction(ui->actionSelect_Even, ":/pdfdocpage/resources/select-even.svg");
+    m_iconTheme.registerAction(ui->actionSelect_Odd, ":/pdfdocpage/resources/select-odd.svg");
+    m_iconTheme.registerAction(ui->actionSelect_Portrait, ":/pdfdocpage/resources/select-portrait.svg");
+    m_iconTheme.registerAction(ui->actionSelect_Landscape, ":/pdfdocpage/resources/select-landscape.svg");
+    m_iconTheme.registerAction(ui->actionRotate_Right, ":/pdfdocpage/resources/rotate-right.svg");
+    m_iconTheme.registerAction(ui->actionRotate_Left, ":/pdfdocpage/resources/rotate-left.svg");
+    m_iconTheme.registerAction(ui->actionZoom_In, ":/pdfdocpage/resources/zoom-in.svg");
+    m_iconTheme.registerAction(ui->actionZoom_Out, ":/pdfdocpage/resources/zoom-out.svg");
+    m_iconTheme.registerAction(ui->actionGet_Source, ":/pdfdocpage/resources/get-source.svg");
+    m_iconTheme.registerAction(ui->actionAbout, ":/pdfdocpage/resources/about.svg");
+    m_iconTheme.registerAction(ui->actionUnited_Document, ":/pdfdocpage/resources/make-united-document.svg");
+    m_iconTheme.registerAction(ui->actionSeparate_to_Multiple_Documents, ":/pdfdocpage/resources/make-separated-document.svg");
+    m_iconTheme.registerAction(ui->actionSeparate_to_Multiple_Documents_Grouped, ":/pdfdocpage/resources/make-separated-document-from-groups.svg");
+    m_iconTheme.registerAction(ui->actionGroup, ":/pdfdocpage/resources/group.svg");
+    m_iconTheme.registerAction(ui->actionUngroup, ":/pdfdocpage/resources/ungroup.svg");
+    m_iconTheme.registerAction(ui->actionClear, ":/pdfdocpage/resources/clear.svg");
+    m_iconTheme.registerAction(ui->actionRegroup_Even_Odd, ":/pdfdocpage/resources/regroup-even-odd.svg");
+    m_iconTheme.registerAction(ui->actionRegroup_by_Page_Pairs, ":/pdfdocpage/resources/regroup-pairs.svg");
+    m_iconTheme.registerAction(ui->actionRegroup_by_Bookmarks, ":/pdfdocpage/resources/regroup-bookmarks.svg");
+    m_iconTheme.registerAction(ui->actionRegroup_by_Alternating_Pages, ":/pdfdocpage/resources/regroup-alternating.svg");
+    m_iconTheme.registerAction(ui->actionRegroup_by_Alternating_Pages_Reversed_Order, ":/pdfdocpage/resources/regroup-alternating-reversed.svg");
+    m_iconTheme.registerAction(ui->actionInvert_Selection, ":/pdfdocpage/resources/invert-selection.svg");
+    m_iconTheme.registerAction(ui->actionUndo, ":/pdfdocpage/resources/undo.svg");
+    m_iconTheme.registerAction(ui->actionRedo, ":/pdfdocpage/resources/redo.svg");
+
+    m_iconTheme.setDirectory("pdfdocpage_theme");
+    m_iconTheme.setPrefix(":/pdfdocpage/resources/");
+    m_iconTheme.loadTheme();
 
     QToolBar* mainToolbar = addToolBar(tr("Main"));
     mainToolbar->setObjectName("main_toolbar");
@@ -360,6 +404,7 @@ bool MainWindow::canPerformOperation(Operation operation) const
         case Operation::InsertPDF:
         case Operation::GetSource:
         case Operation::About:
+        case Operation::PrepareIconTheme:
             return true;
 
         case Operation::InvertSelection:
@@ -561,6 +606,10 @@ void MainWindow::performOperation(Operation operation)
             break;
         }
 
+        case Operation::PrepareIconTheme:
+            m_iconTheme.prepareTheme();
+            break;
+
         case Operation::Unite:
         case Operation::Separate:
         case Operation::SeparateGrouped:

Pdf4QtDocPageOrganizer/mainwindow.h

@@ -18,11 +18,12 @@
 #ifndef PDFDOCPAGEORGANIZER_MAINWINDOW_H
 #define PDFDOCPAGEORGANIZER_MAINWINDOW_H
 
-#include <QMainWindow>
+#include "pdficontheme.h"
 
 #include "pageitemmodel.h"
 #include "pageitemdelegate.h"
 
+#include <QMainWindow>
 #include <QSignalMapper>
 
 namespace Ui
@@ -92,7 +93,8 @@ public:
         RegroupAlternatingPagesReversed,
 
         GetSource,
-        About
+        About,
+        PrepareIconTheme
     };
 
 private slots:
@@ -116,6 +118,7 @@ private:
 
     Ui::MainWindow* ui;
 
+    pdf::PDFIconTheme m_iconTheme;
     PageItemModel* m_model;
     PageItemDelegate* m_delegate;
     Settings m_settings;

Pdf4QtDocPageOrganizer/mainwindow.ui

@@ -118,6 +118,7 @@
     </property>
     <addaction name="actionGet_Source"/>
     <addaction name="actionAbout"/>
+    <addaction name="actionPrepare_Icon_Theme"/>
    </widget>
    <widget class="QMenu" name="menuToolbars">
     <property name="title">
@@ -582,6 +583,11 @@
     <string>Ctrl+Y</string>
    </property>
   </action>
+  <action name="actionPrepare_Icon_Theme">
+   <property name="text">
+    <string>Prepare Icon Theme</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="resources.qrc"/>

Pdf4QtLib/Pdf4QtLib.pro

@@ -57,6 +57,7 @@ SOURCES += \
     sources/pdfexecutionpolicy.cpp \
     sources/pdffile.cpp \
     sources/pdfform.cpp \
+    sources/pdficontheme.cpp \
     sources/pdfitemmodels.cpp \
     sources/pdfjavascriptscanner.cpp \
     sources/pdfjbig2decoder.cpp \
@@ -123,6 +124,7 @@ HEADERS += \
     sources/pdfexecutionpolicy.h \
     sources/pdffile.h \
     sources/pdfform.h \
+    sources/pdficontheme.h \
     sources/pdfitemmodels.h \
     sources/pdfjavascriptscanner.h \
     sources/pdfjbig2decoder.h \

Pdf4QtLib/sources/pdficontheme.cpp

@@ -0,0 +1,123 @@
+//    Copyright (C) 2021 Jakub Melka
+//
+//    This file is part of PDF4QT.
+//
+//    PDF4QT is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    with the written consent of the copyright owner, any later version.
+//
+//    PDF4QT is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
+
+#include "pdficontheme.h"
+
+#include <QApplication>
+
+namespace pdf
+{
+
+void PDFIconTheme::registerAction(QAction* action, QString iconFileName)
+{
+    m_actionInfos.emplace_back(action, std::move(iconFileName));
+}
+
+QString PDFIconTheme::getDirectory() const
+{
+    return m_directory;
+}
+
+void PDFIconTheme::setDirectory(const QString& directory)
+{
+    m_directory = directory;
+}
+
+QString PDFIconTheme::getPrefix() const
+{
+    return m_prefix;
+}
+
+void PDFIconTheme::setPrefix(const QString& prefix)
+{
+    m_prefix = prefix;
+}
+
+void PDFIconTheme::prepareTheme()
+{
+    QString directory = getThemeDirectory();
+    QDir dir(directory);
+
+    if (!dir.exists())
+    {
+        dir.mkpath(directory);
+
+        QStringList infoList;
+
+        for (const ActionInfo& actionInfo : m_actionInfos)
+        {
+            QString fileName = formatFileName(actionInfo, directory);
+            if (!QFile::exists(fileName))
+            {
+                QFile::copy(actionInfo.fileName, fileName);
+                QFile::setPermissions(fileName, QFile::Permissions(0xFFFF));
+            }
+
+            infoList << QString("%1;%2").arg(actionInfo.action->text(), fileName);
+        }
+
+        if (!infoList.isEmpty())
+        {
+            QFile file(directory + "/icons.txt");
+            if (file.open(QFile::WriteOnly | QFile::Text | QFile::Truncate))
+            {
+                {
+                    QTextStream stream(&file);
+                    stream.setCodec("UTF8");
+                    stream.setGenerateByteOrderMark(true);
+                    for (const QString& text : infoList)
+                    {
+                        stream << text << endl;
+                    }
+                }
+                file.close();
+            }
+        }
+    }
+}
+
+void PDFIconTheme::loadTheme()
+{
+    QString directory = getThemeDirectory();
+    QDir dir(directory);
+
+    if (dir.exists())
+    {
+        for (const ActionInfo& actionInfo : m_actionInfos)
+        {
+            QString fileName = formatFileName(actionInfo, directory);
+            if (QFile::exists(fileName))
+            {
+                actionInfo.action->setIcon(QIcon(fileName));
+            }
+        }
+    }
+}
+
+QString PDFIconTheme::getThemeDirectory() const
+{
+    return QApplication::applicationDirPath() + "/" + m_directory;
+}
+
+QString PDFIconTheme::formatFileName(const ActionInfo& info, const QString& themeDirectory) const
+{
+    QString fileName = info.fileName;
+    fileName.remove(m_prefix);
+    return QString("%1/%2").arg(themeDirectory, fileName);
+}
+
+}   // namespace pdf

Pdf4QtLib/sources/pdficontheme.h

@@ -0,0 +1,72 @@
+//    Copyright (C) 2021 Jakub Melka
+//
+//    This file is part of PDF4QT.
+//
+//    PDF4QT is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    with the written consent of the copyright owner, any later version.
+//
+//    PDF4QT is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFICONTHEME_H
+#define PDFICONTHEME_H
+
+#include "pdfglobal.h"
+
+#include <QAction>
+
+namespace pdf
+{
+
+/// Theme icon provider. Can provide icons from custom directory,
+/// so user can use their own icon theme.
+class PDF4QTLIBSHARED_EXPORT PDFIconTheme
+{
+public:
+    explicit PDFIconTheme() = default;
+
+    void registerAction(QAction* action, QString iconFileName);
+
+    QString getDirectory() const;
+    void setDirectory(const QString& directory);
+
+    QString getPrefix() const;
+    void setPrefix(const QString& prefix);
+
+    void prepareTheme();
+    void loadTheme();
+
+    QString getThemeDirectory() const;
+
+private:
+    struct ActionInfo
+    {
+        ActionInfo(QAction* action = nullptr, QString fileName = QString()) :
+            action(action),
+            fileName(std::move(fileName))
+        {
+
+        }
+
+        QAction* action = nullptr;
+        QString fileName;
+    };
+
+    QString m_directory;
+    QString m_prefix;
+
+    QString formatFileName(const ActionInfo& info, const QString& themeDirectory) const;
+
+    std::vector<ActionInfo> m_actionInfos;
+};
+
+}   // namespace pdf
+
+#endif // PDFICONTHEME_H