DecoderSelector: Implement filtering
authorSoeren Apel <soeren@apelpie.net>
Sun, 10 Mar 2019 19:11:48 +0000 (20:11 +0100)
committerSoeren Apel <soeren@apelpie.net>
Tue, 12 Mar 2019 07:57:31 +0000 (08:57 +0100)
README
icons/search.svg [new file with mode: 0644]
pulseview.qrc
pv/subwindows/decoder_selector/subwindow.cpp
pv/subwindows/decoder_selector/subwindow.hpp

diff --git a/README b/README
index 8608b3b..588edc4 100644 (file)
--- a/README
+++ b/README
@@ -47,6 +47,23 @@ is to be interpreted as
 Resource authors and licenses
 -----------------------------
 
+icons/application-exit.png,
+icons/document-new.png,
+icons/document-open.png,
+icons/document-save-as.png,
+icons/help-browser.png,
+icons/media-playback-pause.png,
+icons/media-playback-start.png,
+icons/preferences-system.png,
+icons/search.svg,
+icons/window-new.png,
+icons/zoom-fit-best.png,
+icons/zoom-in.png,
+icons/zoom-out.png: Tango Icon Library
+  http://tango.freedesktop.org/Tango_Desktop_Project
+  License:
+    Public Domain
+
 icons/information.svg: Bobarino
   https://en.wikipedia.org/wiki/File:Information.svg
   License:
diff --git a/icons/search.svg b/icons/search.svg
new file mode 100644 (file)
index 0000000..1a4c1cd
--- /dev/null
@@ -0,0 +1,313 @@
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+   xmlns="http://www.w3.org/2000/svg"
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+   sodipodi:docname="system-search.svg"
+   sodipodi:docbase="/home/tigert/cvs/freedesktop.org/tango-icon-theme/scalable/actions"
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index 33e3610..9acd3fa 100644 (file)
@@ -19,6 +19,7 @@
        <file>icons/settings-views.svg</file>
        <file>icons/pulseview.png</file>
        <file>icons/pulseview.svg</file>
+       <file>icons/search.svg</file>
        <file>icons/status-green.svg</file>
        <file>icons/status-grey.svg</file>
        <file>icons/status-red.svg</file>
index 375e749..719d2ef 100644 (file)
@@ -22,6 +22,7 @@
 #include <QDebug>
 #include <QInputDialog>
 #include <QLabel>
+#include <QLineEdit>
 #include <QPushButton>
 #include <QVBoxLayout>
 
@@ -36,6 +37,24 @@ namespace subwindows {
 namespace decoder_selector {
 
 
+bool QCustomSortFilterProxyModel::filterAcceptsRow(int source_row,
+       const QModelIndex& source_parent) const
+{
+       // Search model recursively
+
+       if (QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent))
+               return true;
+
+       const QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
+
+       for (int i = 0; i < sourceModel()->rowCount(index); i++)
+               if (filterAcceptsRow(i, index))
+                       return true;
+
+       return false;
+}
+
+
 void QCustomTreeView::currentChanged(const QModelIndex& current,
        const QModelIndex& previous)
 {
@@ -53,17 +72,30 @@ SubWindow::SubWindow(Session& session, QWidget* parent) :
        info_label_body_(new QLabel()),
        info_label_footer_(new QLabel()),
        model_(new DecoderCollectionModel()),
-       sort_filter_model_(new QSortFilterProxyModel())
+       sort_filter_model_(new QCustomSortFilterProxyModel())
 {
        QVBoxLayout* root_layout = new QVBoxLayout(this);
        root_layout->setContentsMargins(0, 0, 0, 0);
        root_layout->addWidget(splitter_);
 
+       QWidget* upper_container = new QWidget();
+       QVBoxLayout* upper_layout = new QVBoxLayout(upper_container);
+       upper_layout->setContentsMargins(0, 5, 0, 0);
+       QLineEdit* filter = new QLineEdit();
+       upper_layout->addWidget(filter);
+       upper_layout->addWidget(tree_view_);
+
        splitter_->setOrientation(Qt::Vertical);
-       splitter_->addWidget(tree_view_);
+       splitter_->addWidget(upper_container);
        splitter_->addWidget(info_box_);
 
+       const QIcon filter_icon(QIcon::fromTheme("search",
+               QIcon(":/icons/search.svg")));
+       filter->setClearButtonEnabled(true);
+       filter->addAction(filter_icon, QLineEdit::LeadingPosition);
+
        sort_filter_model_->setSourceModel(model_);
+       sort_filter_model_->setFilterCaseSensitivity(Qt::CaseInsensitive);
 
        tree_view_->setModel(sort_filter_model_);
        tree_view_->setRootIsDecorated(true);
@@ -81,6 +113,9 @@ SubWindow::SubWindow(Session& session, QWidget* parent) :
        info_label_body_->setWordWrap(true);
        info_label_body_->setText(tr("Select a decoder to see its description here."));
 
+       connect(filter, SIGNAL(textChanged(const QString&)),
+               this, SLOT(on_filter_changed(const QString&)));
+
        connect(tree_view_, SIGNAL(currentChanged(const QModelIndex&)),
                this, SLOT(on_item_changed(const QModelIndex&)));
        connect(tree_view_, SIGNAL(activated(const QModelIndex&)),
@@ -256,6 +291,11 @@ void SubWindow::on_item_activated(const QModelIndex& index)
        new_decoders_selected(decoders);
 }
 
+void SubWindow::on_filter_changed(const QString& text)
+{
+       sort_filter_model_->setFilterFixedString(text);
+}
+
 } // namespace decoder_selector
 } // namespace subwindows
 } // namespace pv
index dba6f6d..6f6456d 100644 (file)
@@ -85,6 +85,12 @@ private:
 };
 
 
+class QCustomSortFilterProxyModel : public QSortFilterProxyModel
+{
+protected:
+       bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const;
+};
+
 class QCustomTreeView : public QTreeView
 {
        Q_OBJECT
@@ -127,6 +133,8 @@ public Q_SLOTS:
        void on_item_changed(const QModelIndex& index);
        void on_item_activated(const QModelIndex& index);
 
+       void on_filter_changed(const QString& text);
+
 private:
        QSplitter* splitter_;
        QCustomTreeView* tree_view_;
@@ -135,7 +143,7 @@ private:
        QLabel* info_label_body_;
        QLabel* info_label_footer_;
        DecoderCollectionModel* model_;
-       QSortFilterProxyModel* sort_filter_model_;
+       QCustomSortFilterProxyModel* sort_filter_model_;
 };
 
 } // decoder_selector