Make headers in PictureView configurable

Save state of QHeaderView and restore it on startup. Maybe it's time for
a SmTreeView Class implementing these generic functions...

1 files changed, 35 insertions, 1 deletions

diff --git a/pictureswidget.cpp b/pictureswidget.cpp
index 7de52b5..99091c9 100644
--- a/pictureswidget.cpp
+++ b/pictureswidget.cpp
@@ -19,6 +19,8 @@
 #include <QMenu>
 #include <QFile>
 #include <QSettings>
+#include <QActionGroup>
+#include <QHash>
 
 #include "pictureswidget.h"
 #include "picfilesmodel.h"
@@ -53,7 +55,6 @@ PicturesWidget::PicturesWidget(QWidget *parent) : QWidget(parent), mWindowTitleB
     QHBoxLayout *mainLayout = new QHBoxLayout;
     mainLayout->addWidget(splitter);
     setLayout(mainLayout);
-    readSettings();
 }
 
 void PicturesWidget::showPicViewer(bool toggled){
@@ -64,12 +65,14 @@ void PicturesWidget::writeSettings(){
     QSettings s;
     MappingData selected = mMappingTree->selectedItem();
     s.setValue("ui/selectedmapping", selected.path.first());
+    mPictureView->writeHeaderConfig();
 }
 
 void PicturesWidget::readSettings(){
     QSettings s;
     QStringList selPath = s.value("ui/selectedmapping").toStringList();
     mMappingTree->selectPath(selPath.join("/"));
+    mPictureView->readHeaderConfig();
 }
 
 void PicturesWidget::editMappings(){
@@ -197,6 +200,37 @@ void PictureView::setHoverWinVisible(bool visible) const {
     mHoverWin->setVisible(visible);
 }
 
+void PictureView::toggleHeader(QObject *action){
+    QAction *a = qobject_cast<QAction*>(action);
+    Q_ASSERT(a);
+    int logicalIndex = a->data().toInt();
+    QHeaderView *hv = header();
+    hv->setSectionHidden(logicalIndex, !a->isChecked());
+}
+
+void PictureView::readHeaderConfig(){
+    QSettings s;
+    QByteArray headerPos = s.value("ui/picheaderpos").toByteArray();
+    if(!headerPos.isEmpty()){
+        header()->restoreState(headerPos);
+    }
+    QHeaderView *hv = header();
+    QHash<int, QAction*> headerActions;
+    foreach(QAction *a, mHeaderGroup->actions()){
+        headerActions.insert(a->data().toInt(), a);
+    }
+    for(int i = 0; i < hv->count(); ++i){
+        if(!hv->isSectionHidden(i)){
+            headerActions.value(i)->setChecked(true);
+        }
+    }
+}
+
+void PictureView::writeHeaderConfig(){
+    QSettings s;
+    s.setValue("ui/picheaderpos", header()->saveState());
+}
+
 void PictureView::hideEvent(QHideEvent *){
     QByteArray pvHeader = header()->saveState();
     QSettings s;