From 7451517e4a5e9aeffe31f1cd7346b07c0c9e15ac Mon Sep 17 00:00:00 2001
From: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Date: Sat, 23 Dec 2017 15:49:21 +0100
Subject: Add select-all, deselect-all and invert-selection options to filters

To every filter list add a menu button that allows selection of all,
selection of none or inversion of selection.

Implements #435.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
---
 desktop-widgets/listfilter.ui     | 10 ++++++++++
 desktop-widgets/simplewidgets.cpp |  6 ++++++
 2 files changed, 16 insertions(+)

(limited to 'desktop-widgets')

diff --git a/desktop-widgets/listfilter.ui b/desktop-widgets/listfilter.ui
index 48d813d21..dcdcd932e 100644
--- a/desktop-widgets/listfilter.ui
+++ b/desktop-widgets/listfilter.ui
@@ -51,6 +51,16 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QToolButton" name="selectionButton">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="popupMode">
+        <enum>QToolButton::InstantPopup</enum>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>
diff --git a/desktop-widgets/simplewidgets.cpp b/desktop-widgets/simplewidgets.cpp
index addbda6af..86ea1fbc0 100644
--- a/desktop-widgets/simplewidgets.cpp
+++ b/desktop-widgets/simplewidgets.cpp
@@ -513,6 +513,12 @@ FilterBase::FilterBase(FilterModelBase *model_, QWidget *parent)
 	filter->setFilterCaseSensitivity(Qt::CaseInsensitive);
 	connect(ui.filterInternalList, SIGNAL(textChanged(QString)), filter, SLOT(setFilterFixedString(QString)));
 	ui.filterList->setModel(filter);
+
+	QMenu *menu = new QMenu(this);
+	menu->addAction(tr("Select All"), model, &FilterModelBase::selectAll);
+	menu->addAction(tr("Unselect All"), model, &FilterModelBase::clearFilter);
+	menu->addAction(tr("Invert Selection"), model, &FilterModelBase::invertSelection);
+	ui.selectionButton->setMenu(menu);
 }
 
 void FilterBase::showEvent(QShowEvent *event)
-- 
cgit v1.2.3-70-g09d2