Rework channel selection popup

Change the channel selection popup to make select-multiple more
intuitive.

* Show select all/none buttons per group
* Show select all/none buttons per row of 8 channels

https://github.com/sigrokproject/pulseview/pull/18

diff --git a/pv/popups/channels.cpp b/pv/popups/channels.cpp
index acd7079b7616d0a37a31d682eb7459c3bf0e5738..b7fcad4584bdd1a5f82042c4955afa84648f1d3d 100644 (file)
--- a/pv/popups/channels.cpp
+++ b/pv/popups/channels.cpp
@@ -42,6 +42,7 @@ using std::out_of_range;
 using std::shared_ptr;
 using std::unordered_set;
 using std::vector;
+using std::weak_ptr;
 
 using pv::data::SignalBase;
 using pv::data::Logic;
@@ -227,49 +228,96 @@ void Channels::populate_group(shared_ptr<ChannelGroup> group,
        if (group)
                binding = make_shared<Device>(group);
 
+       QHBoxLayout* group_layout = new QHBoxLayout();
+       layout_.addRow(group_layout);
+
        // Create a title if the group is going to have any content
        if ((!sigs.empty() || (binding && !binding->properties().empty())) && group)
        {
                QLabel *label = new QLabel(
                        QString("<h3>%1</h3>").arg(group->name().c_str()));
-               layout_.addRow(label);
+               group_layout->addWidget(label);
                group_label_map_[group] = label;
        }
 
        // Create the channel group grid
-       QGridLayout *const channel_grid = create_channel_group_grid(sigs);
-       layout_.addRow(channel_grid);
-
-       // Create the channel group options
-       if (binding) {
-               binding->add_properties_to_form(&layout_, true);
-               group_bindings_.push_back(binding);
-       }
-}
-
-QGridLayout* Channels::create_channel_group_grid(
-       const vector< shared_ptr<SignalBase> > sigs)
-{
        int row = 0, col = 0;
        QGridLayout *const grid = new QGridLayout();
+       vector<QCheckBox*> group_checkboxes, this_row;
 
        for (const shared_ptr<SignalBase>& sig : sigs) {
                assert(sig);
 
                QCheckBox *const checkbox = new QCheckBox(sig->display_name());
                check_box_mapper_.setMapping(checkbox, checkbox);
-               connect(checkbox, SIGNAL(toggled(bool)),
-                       &check_box_mapper_, SLOT(map()));
+               connect(checkbox, SIGNAL(toggled(bool)), &check_box_mapper_, SLOT(map()));
 
                grid->addWidget(checkbox, row, col);
 
+               group_checkboxes.push_back(checkbox);
+               this_row.push_back(checkbox);
+
                check_box_signal_map_[checkbox] = sig;
 
-               if (++col >= 8)
+               weak_ptr<SignalBase> weak_sig(sig);
+               connect(checkbox, &QCheckBox::toggled,
+                               [weak_sig](bool state) {
+                       auto sig = weak_sig.lock();
+                       assert(sig);
+                       sig->set_enabled(state);
+                       });
+
+               if ((++col >= 8 || &sig == &sigs.back())) {
+                       // Show buttons if there's more than one row
+                       if (sigs.size() > 8) {
+                               QPushButton *row_enable_button = new QPushButton(tr("All"), this);
+                               grid->addWidget(row_enable_button, row, 8);
+                               connect(row_enable_button, &QPushButton::clicked,
+                                               [this_row]() {
+                                       for (QCheckBox *box : this_row)
+                                               box->setChecked(true);
+                                       });
+
+                               QPushButton *row_disable_button = new QPushButton(tr("None"), this);
+                               connect(row_disable_button, &QPushButton::clicked,
+                                               [this_row]() {
+                                       for (QCheckBox *box : this_row)
+                                               box->setChecked(false);
+                                       });
+                               grid->addWidget(row_disable_button, row, 9);
+                       }
+
+                       this_row.clear();
                        col = 0, row++;
+               }
+       }
+       layout_.addRow(grid);
+
+       if (sigs.size() > 1) {
+               // Create enable all/none buttons
+               QPushButton *btn_enable_all, *btn_disable_all;
+
+               btn_enable_all = new QPushButton(tr("All"));
+               btn_disable_all = new QPushButton(tr("None"));
+               group_layout->addWidget(btn_enable_all);
+               group_layout->addWidget(btn_disable_all);
+
+               connect(btn_enable_all, &QPushButton::clicked, [group_checkboxes](){
+                       for (QCheckBox *box: group_checkboxes)
+                               box->setChecked(true);
+                       });
+
+               connect(btn_disable_all, &QPushButton::clicked, [group_checkboxes](){
+                       for (QCheckBox *box: group_checkboxes)
+                               box->setChecked(false);
+                       });
        }
 
-       return grid;
+       // Create the channel group options
+       if (binding) {
+               binding->add_properties_to_form(&layout_, true);
+               group_bindings_.push_back(binding);
+       }
 }
 
 void Channels::showEvent(QShowEvent *event)

diff --git a/pv/popups/channels.hpp b/pv/popups/channels.hpp
index 54d24340d7d85229db92576df8efc17bab24a7fc..972549a8d1c9fd2f65b63e997eb37b1d6440459f 100644 (file)
--- a/pv/popups/channels.hpp
+++ b/pv/popups/channels.hpp
@@ -79,9 +79,6 @@ private:
        void populate_group(shared_ptr<sigrok::ChannelGroup> group,
                const vector< shared_ptr<pv::data::SignalBase> > sigs);
 
-       QGridLayout* create_channel_group_grid(
-               const vector< shared_ptr<pv::data::SignalBase> > sigs);
-
        void showEvent(QShowEvent *event);
 
 private Q_SLOTS: