Implement add and remove dir in FSWidget

Still doesn't read anything from the filesystem, but now you can add and
remove directories. Also, the settings are saved.

1 files changed, 48 insertions, 0 deletions

diff --git a/fswidget.cpp b/fswidget.cpp
index 21e0435..3fa1cd1 100644
--- a/fswidget.cpp
+++ b/fswidget.cpp
@@ -4,6 +4,8 @@
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QTreeView>
+#include <QFileDialog>
+#include <QSettings>
 
 #include "fswidget.h"
 
@@ -26,8 +28,12 @@ void FSWidget::setupWidget(){
 
     QLabel *dirL = new QLabel(tr("Dir"));
     mDirCB = new QComboBox;
+    mDirCB->setInsertPolicy(QComboBox::InsertAlphabetically);
+    mDirCB->setSizeAdjustPolicy(QComboBox::AdjustToContents);
     QAction *addDirA = new QAction(QIcon(":/gaping_ass.png"), tr("Add dir..."), this);
+    connect(addDirA, &QAction::triggered, this, &FSWidget::addDir);
     QAction *removeDirA = new QAction(QIcon(":/hourglass_figure.png"), tr("Remove dir."), this);
+    connect(removeDirA, &QAction::triggered, this, &FSWidget::removeDir);
     QToolBar *dirTB = new QToolBar;
     dirTB->addAction(addDirA);
     dirTB->addAction(removeDirA);
@@ -60,4 +66,46 @@ void FSWidget::setupWidget(){
     mainLayout->addLayout(topWL);
     mainLayout->addWidget(mFileView);
     setLayout(mainLayout);
+
+    readSettings();
+}
+
+FSWidget::~FSWidget(){
+    writeSettings();
+}
+
+void FSWidget::readSettings(){
+    QSettings s;
+    QStringList dirs = s.value("fs/dirs").toStringList();
+    mDirCB->addItems(dirs);
+    QString cDir = s.value("fs/curdir").toString();
+    mDirCB->setCurrentText(cDir);
+}
+
+void FSWidget::writeSettings(){
+    QString curDir = mDirCB->currentText();
+    QStringList dirs;
+    for(int i = 0 ; i < mDirCB->count(); ++i){
+        dirs << mDirCB->itemText(i);
+    }
+    QSettings s;
+    s.setValue("fs/dirs", dirs);
+    s.setValue("fs/curdir", curDir);
+}
+
+void FSWidget::addDir(){
+    QString newDir = QFileDialog::getExistingDirectory(this, tr("Select directory"), QDir::homePath());
+    if(!newDir.isEmpty()){
+        int fIdx = mDirCB->findText(newDir);
+        if(fIdx == -1){
+           mDirCB->addItem(newDir);
+        }
+    }
+}
+
+void FSWidget::removeDir(){
+    int curIdx = mDirCB->currentIndex();
+    if(curIdx != -1){
+        mDirCB->removeItem(curIdx);
+    }
 }