Filter for relative HRTF data paths and add Add/Remove label texts

utils/alsoft-config/mainwindow.cpp

@@ -52,6 +52,48 @@ static QString getDefaultConfigName()
         return base +'/'+ fname;
     return fname;
 }
+
+static QString getBaseDataPath()
+{
+#ifdef Q_OS_WIN32
+    QByteArray base = qgetenv("AppData");
+#else
+    QByteArray base = qgetenv("XDG_DATA_HOME");
+    if(base.isEmpty())
+    {
+        base = qgetenv("HOME");
+        if(!base.isEmpty())
+            base += "/.local/share";
+    }
+#endif
+    return base;
+}
+
+static QStringList getAllDataPaths(QString append=QString())
+{
+    QStringList list;
+    list.append(getBaseDataPath());
+#ifdef Q_OS_WIN32
+    // TODO: Common AppData path
+#else
+    QString paths = qgetenv("XDG_DATA_DIRS");
+    if(paths.isEmpty())
+        paths = "/usr/local/share/:/usr/share/";
+    list += paths.split(QChar(':'), QString::SkipEmptyParts);
+#endif
+    QStringList::iterator iter = list.begin();
+    while(iter != list.end())
+    {
+        if(iter->isEmpty())
+            iter = list.erase(iter);
+        else
+        {
+            iter->append(append);
+            iter++;
+        }
+    }
+    return list;
+}
 }
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -490,10 +532,36 @@ void MainWindow::updatePeriodCountSlider()
 
 void MainWindow::addHrtfFile()
 {
-    QStringList fnames = QFileDialog::getOpenFileNames(this, tr("Select Files"), QString(),
+    const QStringList datapaths = getAllDataPaths("/openal/hrtf");
+    QStringList fnames = QFileDialog::getOpenFileNames(this, tr("Select Files"),
+                                                       datapaths.empty() ? QString() : datapaths[0],
                                                        "HRTF Datasets(*.mhr);;All Files(*.*)");
     if(fnames.isEmpty() == false)
-        ui->hrtfFileList->addItems(fnames);
+    {
+        for(QStringList::iterator iter = fnames.begin();iter != fnames.end();iter++)
+        {
+            QStringList::const_iterator path = datapaths.constBegin();
+            for(;path != datapaths.constEnd();path++)
+            {
+                QDir hrtfdir(*path);
+                if(!hrtfdir.isAbsolute())
+                    continue;
+
+                const QString relname = hrtfdir.relativeFilePath(*iter);
+                if(!relname.startsWith(".."))
+                {
+                    // If filename is within this path, use the relative pathname
+                    ui->hrtfFileList->addItem(relname);
+                    break;
+                }
+            }
+            if(path == datapaths.constEnd())
+            {
+                // Filename is not within any data path, use the absolute pathname
+                ui->hrtfFileList->addItem(*iter);
+            }
+        }
+    }
 }
 
 void MainWindow::removeHrtfFile()

utils/alsoft-config/mainwindow.ui

@@ -348,15 +348,14 @@ sample rate.</string>
         <rect>
          <x>110</x>
          <y>30</y>
-         <width>361</width>
+         <width>301</width>
          <height>121</height>
         </rect>
        </property>
        <property name="toolTip">
         <string>A list of files containing HRTF data sets. The listed data sets
-are used in place of or in addition to the the default sets. The
+are used in place of the default sets. The filenames may
-filenames may contain these markers, which will be replaced
+contain these markers, which will be replaced as needed:
-as needed:
 %r - Device sampling rate
 %% - Percent sign (%)</string>
        </property>
@@ -379,14 +378,14 @@ as needed:
       <widget class="QPushButton" name="hrtfAddButton">
        <property name="geometry">
         <rect>
-         <x>475</x>
+         <x>419</x>
          <y>30</y>
-         <width>25</width>
+         <width>81</width>
          <height>25</height>
         </rect>
        </property>
        <property name="text">
-        <string/>
+        <string>Add...</string>
        </property>
        <property name="icon">
         <iconset theme="list-add">
@@ -400,14 +399,14 @@ as needed:
       <widget class="QPushButton" name="hrtfRemoveButton">
        <property name="geometry">
         <rect>
-         <x>475</x>
+         <x>419</x>
          <y>60</y>
-         <width>25</width>
+         <width>81</width>
          <height>25</height>
         </rect>
        </property>
        <property name="text">
-        <string/>
+        <string>Remove</string>
        </property>
        <property name="icon">
         <iconset theme="list-remove">