For media file open dialog add different file filters

On top of the file filter for all media files add a file filter
for images only, one for videos only and one for all files.

Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>

core/qthelper.cpp

@@ -1215,11 +1215,22 @@ const QStringList videoExtensionsList = {
 	".avi", ".mp4", ".mov", ".mpeg", ".mpg", ".wmv"
 };
 
-QStringList imageExtensionFilters() {
+QStringList mediaExtensionFilters()
+{
+	return imageExtensionFilters() + videoExtensionFilters();
+}
+
+QStringList imageExtensionFilters()
+{
+	QStringList filters;
+	foreach (const QString &format, QImageReader::supportedImageFormats())
+		filters.append("*." + format);
+	return filters;
+}
+
+QStringList videoExtensionFilters()
+{
 	QStringList filters;
-	foreach (QString format, QImageReader::supportedImageFormats()) {
-		filters.append(QString("*.").append(format));
-	}
 	foreach (const QString &format, videoExtensionsList)
 		filters.append("*" + format);
 	return filters;

core/qthelper.h

@@ -43,7 +43,9 @@ void setCurrentAppState(const QByteArray &state);
 void init_proxy();
 QString getUUID();
 extern const QStringList videoExtensionsList;
+QStringList mediaExtensionFilters();
 QStringList imageExtensionFilters();
+QStringList videoExtensionFilters();
 char *intdup(int index);
 char *copy_qstring(const QString &);
 QString get_depth_string(depth_t depth, bool showunit = false, bool showdecimal = true);

desktop-widgets/divelistview.cpp

@@ -922,11 +922,17 @@ void DiveListView::shiftTimes()
 
 void DiveListView::loadImages()
 {
-	QStringList filters = imageExtensionFilters();
+	QStringList m_filters = mediaExtensionFilters();
+	QStringList i_filters = imageExtensionFilters();
+	QStringList v_filters = videoExtensionFilters();
 	QStringList fileNames = QFileDialog::getOpenFileNames(this,
 							      tr("Open media files"),
 							      lastUsedImageDir(),
-							      tr("Media files (%1)").arg(filters.join(" ")));
+							      QString("%1 (%2);;%3 (%4);;%5 (%6);;%7 (*.*)")
+							      .arg(tr("Media files"), m_filters.join(" ")
+							      , tr("Image files"), i_filters.join(" ")
+							      , tr("Video files"), v_filters.join(" ")
+							      , tr("All files")));
 
 	if (fileNames.isEmpty())
 		return;