- implement: register file associations

NEWS.md

@@ -13,6 +13,7 @@ Version 0.6.0
  - enhancement: replace in files
  - enhancement: refactor in project (using search symbol occurence and replace in files)
  - fix: search in files
+ - implement: register file associations
 
 Version 0.5.0
  - enhancement: support C++ using type alias;

RedPandaIDE/RedPandaIDE.pro

@@ -48,6 +48,7 @@ SOURCES += \
     settingsdialog/editormiscwidget.cpp \
     settingsdialog/editorsnippetwidget.cpp \
     settingsdialog/editortooltipswidget.cpp \
+    settingsdialog/environmentfileassociationwidget.cpp \
     settingsdialog/formattergeneralwidget.cpp \
     settingsdialog/projectcompileparamaterswidget.cpp \
     settingsdialog/projectcompilerwidget.cpp \
@@ -151,6 +152,7 @@ HEADERS += \
     settingsdialog/editormiscwidget.h \
     settingsdialog/editorsnippetwidget.h \
     settingsdialog/editortooltipswidget.h \
+    settingsdialog/environmentfileassociationwidget.h \
     settingsdialog/formattergeneralwidget.h \
     settingsdialog/projectcompileparamaterswidget.h \
     settingsdialog/projectcompilerwidget.h \
@@ -227,6 +229,7 @@ FORMS += \
     settingsdialog/editormiscwidget.ui \
     settingsdialog/editorsnippetwidget.ui \
     settingsdialog/editortooltipswidget.ui \
+    settingsdialog/environmentfileassociationwidget.ui \
     settingsdialog/formattergeneralwidget.ui \
     settingsdialog/projectcompileparamaterswidget.ui \
     settingsdialog/projectcompilerwidget.ui \
@@ -275,7 +278,7 @@ RESOURCES += \
     icons.qrc \
     translations.qrc
 
-RC_ICONS = images/devcpp.ico
+RC_ICONS = images/devcpp.ico images/associations/c.ico images/associations/cpp.ico images/associations/h.ico images/associations/hpp.ico images/associations/dev.ico
 
 #win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../../QScintilla/src/release/ -lqscintilla2_qt5d
 #else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../../QScintilla/src/debug/ -lqscintilla2_qt5d

RedPandaIDE/mainwindow.h

@@ -377,6 +377,8 @@ private slots:
 
     void on_btnReplace_clicked();
 
+    void on_btnCancelReplace_clicked();
+
 private:
     Ui::MainWindow *ui;
     EditorList *mEditorList;

RedPandaIDE/mainwindow.ui

@@ -776,6 +776,13 @@
               </property>
              </widget>
             </item>
+            <item>
+             <widget class="QPushButton" name="btnCancelReplace">
+              <property name="text">
+               <string>Cancel</string>
+              </property>
+             </widget>
+            </item>
             <item>
              <spacer name="horizontalSpacer_2">
               <property name="orientation">

RedPandaIDE/settings.cpp

@@ -189,6 +189,11 @@ QString Settings::Dirs::config(Settings::Dirs::DataType dataType) const
     return "";
 }
 
+QString Settings::Dirs::executable() const
+{
+    return QApplication::instance()->applicationFilePath();
+}
+
 void Settings::Dirs::doSave()
 {
 

RedPandaIDE/settings.h

@@ -87,6 +87,7 @@ public:
         QString projectDir() const;
         QString data(DataType dataType = DataType::None) const;
         QString config(DataType dataType = DataType::None) const;
+        QString executable() const;
 
         // _Base interface
     protected:

RedPandaIDE/settingsdialog/environmentfileassociationwidget.cpp

@@ -0,0 +1,301 @@
+#include "environmentfileassociationwidget.h"
+#include "ui_environmentfileassociationwidget.h"
+#include "../systemconsts.h"
+#include "../settings.h"
+
+#include <QMessageBox>
+#include <QSettings>
+#include <windows.h>
+
+EnvironmentFileAssociationWidget::EnvironmentFileAssociationWidget(const QString& name, const QString& group, QWidget *parent) :
+    SettingsWidget(name,group,parent),
+    ui(new Ui::EnvironmentFileAssociationWidget)
+{
+    ui->setupUi(this);
+    mModel.addItem("C Source File","c",1);
+    mModel.addItem("C++ Source File","cpp",2);
+    mModel.addItem("C++ Source File","cxx",2);
+    mModel.addItem("C++ Source File","cc",2);
+    mModel.addItem("C/C++ Header File","h",3);
+    mModel.addItem("C++ Header File","hpp",4);
+    mModel.addItem("C++ Header File","hxx",4);
+    mModel.addItem("Dev-C++ Project File","dev",5);
+    ui->lstFileTypes->setModel(&mModel);
+    connect(&mModel, &FileAssociationModel::associationChanged,
+            [this](){
+        setSettingsChanged();
+    });
+}
+
+EnvironmentFileAssociationWidget::~EnvironmentFileAssociationWidget()
+{
+    delete ui;
+}
+
+void EnvironmentFileAssociationWidget::doLoad()
+{
+    mModel.updateAssociationStates();
+}
+
+void EnvironmentFileAssociationWidget::doSave()
+{
+    mModel.saveAssociations();
+    mModel.updateAssociationStates();
+}
+
+FileAssociationModel::FileAssociationModel(QObject *parent) : QAbstractListModel(parent)
+{
+
+}
+
+void FileAssociationModel::addItem(const QString &name, const QString &suffix, int icon)
+{
+    beginInsertRows(QModelIndex(), mItems.count(), mItems.count());
+    PFileAssociationItem item = std::make_shared<FileAssociationItem>();
+    item->name = name;
+    item->suffix = suffix;
+    item->icon = icon;
+    item->selected = false;
+    item->defaultSelected = false;
+    mItems.append(item);
+    endInsertRows();
+}
+
+void FileAssociationModel::updateAssociationStates()
+{
+    beginResetModel();
+    foreach (const PFileAssociationItem& item, mItems) {
+        item->selected = checkAssociation(
+                    "."+item->suffix,
+                    "DevCpp."+item->suffix,
+                    item->name,
+                    "open",
+                    pSettings->dirs().executable()+" \"%1\""
+                    );
+        item->defaultSelected = item->selected;
+    }
+    endResetModel();
+}
+
+void FileAssociationModel::saveAssociations()
+{
+    QSet<QString> fileTypeUsed;
+    QSet<QString> fileTypes;
+    QMap<QString,PFileAssociationItem> fileTypeDescriptions;
+
+    foreach (const PFileAssociationItem& item, mItems) {
+        if (item->selected == item->defaultSelected)
+            continue;
+        bool ok;
+        fileTypes.insert("DevCpp."+item->suffix);
+        fileTypeDescriptions.insert("DevCpp."+item->suffix,item);
+        if (!item->selected) {
+            ok = unregisterAssociation("."+item->suffix);
+        } else {
+            fileTypeUsed.insert("DevCpp."+item->suffix);
+            ok = registerAssociation(
+                        "."+item->suffix,
+                        "DevCpp."+item->suffix
+            );
+        }
+        if (!ok) {
+            QMessageBox::critical(NULL,
+                                  tr("Register File Association Error"),
+                                  tr("Don't have privilege to register file types!"));
+            return;
+        }
+    }
+    foreach (const QString& fileType, fileTypes) {
+        bool ok;
+        if (fileTypeUsed.contains(fileType)) {
+            PFileAssociationItem item = fileTypeDescriptions[fileType];
+            ok = registerFileType(fileType,
+                                  item->name,
+                                  "open",
+                                  pSettings->dirs().executable(),
+                                  item->icon);
+        } else {
+            ok = unregisterFileType(fileType);
+        }
+        if (!ok) {
+            QMessageBox::critical(NULL,
+                                  tr("Register File Type Error"),
+                                  tr("Don't have privilege to register file types!"));
+            return;
+        }
+    }
+
+}
+
+bool readRegistry(HKEY key,QByteArray subKey, QString& value) {
+    DWORD dataSize;
+    LONG result;
+    result = RegGetValueA(HKEY_CLASSES_ROOT,subKey,
+                 "", RRF_RT_REG_SZ | RRF_RT_REG_MULTI_SZ,
+                 NULL,
+                 NULL,
+                 &dataSize);
+    if (result!=ERROR_SUCCESS)
+        return false;
+    char * buffer = new char[dataSize+10];
+    result = RegGetValueA(HKEY_CLASSES_ROOT,subKey,
+                 "", RRF_RT_REG_SZ | RRF_RT_REG_MULTI_SZ,
+                 NULL,
+                 buffer,
+                 &dataSize);
+    if (result!=ERROR_SUCCESS) {
+        delete[] buffer;
+        return false;
+    }
+    value=QString::fromLocal8Bit(buffer);
+    delete [] buffer;
+    return true;
+}
+
+bool FileAssociationModel::checkAssociation(const QString &extension, const QString &filetype, const QString &description, const QString &verb, const QString &serverApp)
+{
+    HKEY key;
+    LONG result;
+
+    result = RegOpenKeyExA(HKEY_CLASSES_ROOT,extension.toLocal8Bit(),0,KEY_READ,&key);
+    RegCloseKey(key);
+    if (result != ERROR_SUCCESS )
+        return false;
+
+    result = RegOpenKeyExA(HKEY_CLASSES_ROOT,filetype.toLocal8Bit(),0,KEY_READ,&key);
+    RegCloseKey(key);
+    if (result != ERROR_SUCCESS )
+        return false;
+
+    QString keyString = QString("%1\\shell\\%2\\command").arg(filetype).arg(verb);
+    QString value1,value2;
+    if (!readRegistry(HKEY_CLASSES_ROOT,keyString.toLocal8Bit(),value1))
+        return false;
+    if (!readRegistry(HKEY_CLASSES_ROOT,extension.toLocal8Bit(),value2))
+        return false;
+
+    return (value2 == filetype)
+            && (value1.compare(serverApp,PATH_SENSITIVITY)==0);
+}
+
+bool writeRegistry(HKEY parentKey, const QByteArray& subKey, const QByteArray& value) {
+    DWORD disposition;
+    HKEY key;
+    LONG result = RegCreateKeyExA(
+                parentKey,
+                subKey,
+                0,
+                NULL,
+                REG_OPTION_NON_VOLATILE,
+                KEY_ALL_ACCESS,
+                NULL,
+                &key,
+                &disposition);
+    RegCloseKey(key);
+    if (result != ERROR_SUCCESS ) {
+        return false;
+    }
+    result = RegSetKeyValueA(
+                HKEY_CLASSES_ROOT,
+                subKey,
+                "",
+                REG_SZ,
+                (const BYTE*)value.data(),
+                value.length()+1);
+    return result == ERROR_SUCCESS;
+}
+bool FileAssociationModel::registerAssociation(const QString &extension, const QString &filetype)
+{
+    if (!writeRegistry(HKEY_CLASSES_ROOT,
+                         extension.toLocal8Bit(),
+                         filetype.toLocal8Bit())){
+        return false;
+    }
+    return true;
+}
+
+bool FileAssociationModel::unregisterAssociation(const QString &extension)
+{
+    LONG result;
+    HKEY key;
+    result = RegOpenKeyExA(HKEY_CLASSES_ROOT,extension.toLocal8Bit(),0,KEY_READ,&key);
+    if (result != ERROR_SUCCESS )
+        return true;
+    RegCloseKey(key);
+
+    result = RegDeleteTreeA(HKEY_CLASSES_ROOT,extension.toLocal8Bit());
+    return result == ERROR_SUCCESS;
+
+}
+
+bool FileAssociationModel::unregisterFileType(const QString &fileType)
+{
+    LONG result;
+    HKEY key;
+    result = RegOpenKeyExA(HKEY_CLASSES_ROOT,fileType.toLocal8Bit(),0,KEY_READ,&key);
+    if (result != ERROR_SUCCESS )
+        return true;
+    RegCloseKey(key);
+
+    result = RegDeleteTreeA(HKEY_CLASSES_ROOT,fileType.toLocal8Bit());
+    return result == ERROR_SUCCESS;
+}
+
+bool FileAssociationModel::registerFileType(const QString &filetype, const QString &description, const QString &verb, const QString &serverApp, int icon)
+{
+    if (!writeRegistry(HKEY_CLASSES_ROOT,
+                       filetype.toLocal8Bit(),
+                       description.toLocal8Bit()))
+        return false;
+
+    QString keyString = QString("%1\\DefaultIcon").arg(filetype);
+    QString value = QString("%1,%2").arg(serverApp).arg(icon);
+    if (!writeRegistry(HKEY_CLASSES_ROOT,
+                         keyString.toLocal8Bit(),
+                         value.toLocal8Bit()))
+        return false;
+    keyString = QString("%1\\shell\\%2\\command").arg(filetype).arg(verb);
+    value = serverApp+" \"%1\"";
+    if (!writeRegistry(HKEY_CLASSES_ROOT,
+                         keyString.toLocal8Bit(),
+                         value.toLocal8Bit()))
+        return false;
+    return true;
+}
+
+int FileAssociationModel::rowCount(const QModelIndex &parent) const
+{
+    return mItems.count();
+}
+
+QVariant FileAssociationModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid()) {
+        return QVariant();
+    }
+    PFileAssociationItem item = mItems[index.row()];
+    if (role == Qt::DisplayRole) {
+        return QString("%1 (*.%2)").arg(item->name).arg(item->suffix);
+    } else if (role == Qt::CheckStateRole) {
+        return (item->selected)? Qt::Checked : Qt::Unchecked;
+    }
+    return QVariant();
+}
+
+bool FileAssociationModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    if (!index.isValid())
+        return false;
+    if (role == Qt::CheckStateRole) {
+        PFileAssociationItem item = mItems[index.row()];
+        item->selected = value.toBool();
+        emit associationChanged();
+        return true;
+    }
+    return false;
+}
+
+Qt::ItemFlags FileAssociationModel::flags(const QModelIndex &) const
+{
+    return Qt::ItemIsEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsSelectable;
+}

RedPandaIDE/settingsdialog/environmentfileassociationwidget.h

@@ -0,0 +1,74 @@
+#ifndef ENVIRONMENTFILEASSOCIATIONWIDGET_H
+#define ENVIRONMENTFILEASSOCIATIONWIDGET_H
+
+#include <QAbstractListModel>
+#include <QWidget>
+#include "settingswidget.h"
+
+namespace Ui {
+class EnvironmentFileAssociationWidget;
+}
+struct FileAssociationItem {
+    QString name;
+    QString suffix;
+    int icon;
+    bool selected;
+    bool defaultSelected;
+};
+using PFileAssociationItem = std::shared_ptr<FileAssociationItem>;
+
+class FileAssociationModel:public QAbstractListModel {
+    Q_OBJECT
+public:
+    explicit FileAssociationModel(QObject* parent = nullptr);
+    void addItem(const QString& name, const QString& suffix, int icon);
+    void updateAssociationStates();
+    void saveAssociations();
+signals:
+    void associationChanged();
+private:
+    bool checkAssociation(const QString& extension,
+                          const QString& filetype,
+                          const QString& description,
+                          const QString& verb,
+                          const QString& serverApp);
+    bool registerAssociation(const QString& extension,
+                             const QString& filetype);
+    bool unregisterAssociation(const QString& extension);
+    bool unregisterFileType(const QString& fileType);
+    bool registerFileType(const QString& filetype,
+                            const QString& description,
+                            const QString& verb,
+                            const QString& serverApp,
+                            int icon);
+private:
+    QList<PFileAssociationItem> mItems;
+
+
+    // QAbstractItemModel interface
+public:
+    int rowCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+};
+
+class EnvironmentFileAssociationWidget : public SettingsWidget
+{
+    Q_OBJECT
+
+public:
+    explicit EnvironmentFileAssociationWidget(const QString& name, const QString& group, QWidget *parent = nullptr);
+    ~EnvironmentFileAssociationWidget();
+
+private:
+    Ui::EnvironmentFileAssociationWidget *ui;
+    FileAssociationModel mModel;
+
+    // SettingsWidget interface
+protected:
+    void doLoad() override;
+    void doSave() override;
+};
+
+#endif // ENVIRONMENTFILEASSOCIATIONWIDGET_H

RedPandaIDE/settingsdialog/environmentfileassociationwidget.ui

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EnvironmentFileAssociationWidget</class>
+ <widget class="QWidget" name="EnvironmentFileAssociationWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>708</width>
+    <height>350</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>File Types:</string>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QListView" name="lstFileTypes"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Just check or uncheck for which file types Dev-C++ wil be registered as the default application to open them ... </string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

RedPandaIDE/settingsdialog/settingsdialog.cpp

@@ -15,6 +15,7 @@
 #include "editorsnippetwidget.h"
 #include "editormiscwidget.h"
 #include "environmentappearencewidget.h"
+#include "environmentfileassociationwidget.h"
 #include "executorgeneralwidget.h"
 #include "debuggeneralwidget.h"
 #include "formattergeneralwidget.h"
@@ -95,6 +96,10 @@ PSettingsDialog SettingsDialog::optionDialog()
     widget->init();
     dialog->addWidget(widget);
 
+    widget = new EnvironmentFileAssociationWidget(tr("FileAssociation"),tr("Environment"));
+    widget->init();
+    dialog->addWidget(widget);
+
     widget = new CompilerSetOptionWidget(tr("Compiler Set"),tr("Compiler"));
     widget->init();
     dialog->addWidget(widget);