Measurement database keyboard navigation.

--HG--
branch : develop

src/app/tape/dialogs/dialogmdatabase.cpp

@@ -30,6 +30,8 @@
 #include "ui_dialogmdatabase.h"
 #include "../mapplication.h"
 
+#include <QKeyEvent>
+
 //---------------------------------------------------------------------------------------------------------------------
 DialogMDataBase::DialogMDataBase(const QStringList &list, QWidget *parent)
     :QDialog(parent),
@@ -57,6 +59,8 @@ DialogMDataBase::DialogMDataBase(const QStringList &list, QWidget *parent)
     ui->setupUi(this);
     InitDataBase(list);
 
+    ui->treeWidget->installEventFilter(this);
+
     connect(ui->treeWidget, &QTreeWidget::itemChanged, this, &DialogMDataBase::UpdateChecks);
     connect(ui->treeWidget, &QTreeWidget::itemClicked, this, &DialogMDataBase::ShowDescription);
 
@@ -91,6 +95,8 @@ DialogMDataBase::DialogMDataBase(QWidget *parent)
     ui->setupUi(this);
     InitDataBase();
 
+    ui->treeWidget->installEventFilter(this);
+
     connect(ui->treeWidget, &QTreeWidget::itemClicked, this, &DialogMDataBase::ShowDescription);
 
     ReadSettings();
@@ -165,6 +171,38 @@ void DialogMDataBase::changeEvent(QEvent *event)
     QDialog::changeEvent(event);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool DialogMDataBase::eventFilter(QObject *target, QEvent *event)
+{
+    if (target == ui->treeWidget)
+    {
+        if (event->type() == QEvent::KeyPress)
+        {
+            QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+            switch(keyEvent->key())
+            {
+                case Qt::Key_Up:
+                {
+                    const QModelIndex model = ui->treeWidget->indexAbove(ui->treeWidget->currentIndex());
+                    QTreeWidgetItem *item = ui->treeWidget->itemAbove(ui->treeWidget->currentItem());
+                    emit ShowDescription(item, model.column());
+                    break;
+                }
+                case Qt::Key_Down:
+                {
+                    const QModelIndex model = ui->treeWidget->indexBelow(ui->treeWidget->currentIndex());
+                    QTreeWidgetItem *item = ui->treeWidget->itemBelow(ui->treeWidget->currentItem());
+                    emit ShowDescription(item, model.column());
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+    }
+    return QDialog::eventFilter(target, event);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void DialogMDataBase::UpdateChecks(QTreeWidgetItem *item, int column)
 {

src/app/tape/dialogs/dialogmdatabase.h

@@ -53,6 +53,7 @@ public:
 
 protected:
     virtual void changeEvent(QEvent* event) Q_DECL_OVERRIDE;
+    virtual bool eventFilter(QObject *target, QEvent *event) Q_DECL_OVERRIDE;
 
 private slots:
     void UpdateChecks(QTreeWidgetItem *item, int column);

src/app/tape/dialogs/dialogmdatabase.ui

@@ -39,6 +39,9 @@
       <property name="selectionMode">
        <enum>QAbstractItemView::SingleSelection</enum>
       </property>
+      <property name="animated">
+       <bool>true</bool>
+      </property>
       <attribute name="headerMinimumSectionSize">
        <number>57</number>
       </attribute>
@@ -63,6 +66,9 @@
    </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="focusPolicy">
+      <enum>Qt::TabFocus</enum>
+     </property>
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
@@ -73,6 +79,11 @@
    </item>
   </layout>
  </widget>
+ <tabstops>
+  <tabstop>treeWidget</tabstop>
+  <tabstop>textEdit</tabstop>
+  <tabstop>buttonBox</tabstop>
+ </tabstops>
  <resources>
   <include location="../share/resources/tapeicon.qrc"/>
  </resources>
@@ -84,8 +95,8 @@
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>248</x>
+     <x>257</x>
-     <y>254</y>
+     <y>540</y>
     </hint>
     <hint type="destinationlabel">
      <x>157</x>
@@ -100,8 +111,8 @@
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>316</x>
+     <x>325</x>
-     <y>260</y>
+     <y>540</y>
     </hint>
     <hint type="destinationlabel">
      <x>286</x>