]> sigrok.org Git - pulseview.git/blobdiff - pv/session.cpp
Add "new session" and "new view" toolbar buttons
[pulseview.git] / pv / session.cpp
index fd428ed0ebacd0b5ebe628c2b9893c51101ef8b1..b53360fcd9508bbbc559978181a33cfe88ecad71 100644 (file)
 #include <boost/thread/locks.hpp>
 #include <boost/thread/shared_mutex.hpp>
 
-#ifdef ENABLE_DECODE
-#include <libsigrokdecode/libsigrokdecode.h>
-#endif
+#include <QFileInfo>
 
-#include "session.hpp"
+#include <cassert>
+#include <mutex>
+#include <stdexcept>
+
+#include <sys/stat.h>
 
+#include "session.hpp"
 #include "devicemanager.hpp"
 
 #include "data/analog.hpp"
 #include "view/signal.hpp"
 #include "view/view.hpp"
 
-#include <cassert>
-#include <mutex>
-#include <stdexcept>
-
-#include <sys/stat.h>
-
-#include <QDebug>
-
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
+#ifdef ENABLE_DECODE
+#include <libsigrokdecode/libsigrokdecode.h>
+#endif
+
 using boost::shared_lock;
 using boost::shared_mutex;
 using boost::unique_lock;
@@ -98,8 +97,9 @@ using Glib::VariantBase;
 using Glib::Variant;
 
 namespace pv {
-Session::Session(DeviceManager &device_manager) :
+Session::Session(DeviceManager &device_manager, QString name) :
        device_manager_(device_manager),
+       name_(name),
        capture_state_(Stopped),
        cur_samplerate_(0)
 {
@@ -133,6 +133,21 @@ shared_ptr<devices::Device> Session::device() const
        return device_;
 }
 
+QString Session::name() const
+{
+       return name_;
+}
+
+void Session::set_name(QString name)
+{
+       if (default_name_.isEmpty())
+               default_name_ = name;
+
+       name_ = name;
+
+       name_changed();
+}
+
 std::shared_ptr<pv::view::View> Session::main_view() const
 {
        return main_view_;
@@ -148,6 +163,185 @@ shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
        return main_bar_;
 }
 
+void Session::save_settings(QSettings &settings) const
+{
+       map<string, string> dev_info;
+       list<string> key_list;
+       int stacks = 0, views = 0;
+
+       if (device_) {
+               shared_ptr<devices::HardwareDevice> hw_device =
+                       dynamic_pointer_cast< devices::HardwareDevice >(device_);
+
+               if (hw_device) {
+                       settings.setValue("device_type", "hardware");
+                       settings.beginGroup("device");
+
+                       key_list.push_back("vendor");
+                       key_list.push_back("model");
+                       key_list.push_back("version");
+                       key_list.push_back("serial_num");
+                       key_list.push_back("connection_id");
+
+                       dev_info = device_manager_.get_device_info(device_);
+
+                       for (string key : key_list) {
+                               if (dev_info.count(key))
+                                       settings.setValue(QString::fromUtf8(key.c_str()),
+                                                       QString::fromUtf8(dev_info.at(key).c_str()));
+                               else
+                                       settings.remove(QString::fromUtf8(key.c_str()));
+                       }
+
+                       settings.endGroup();
+               }
+
+               shared_ptr<devices::SessionFile> sessionfile_device =
+                       dynamic_pointer_cast< devices::SessionFile >(device_);
+
+               if (sessionfile_device) {
+                       settings.setValue("device_type", "sessionfile");
+                       settings.beginGroup("device");
+                       settings.setValue("filename", QString::fromStdString(
+                               sessionfile_device->full_name()));
+                       settings.endGroup();
+               }
+
+               // Save channels and decoders
+               for (shared_ptr<data::SignalBase> base : signalbases_) {
+#ifdef ENABLE_DECODE
+                       if (base->is_decode_signal()) {
+                               shared_ptr<pv::data::DecoderStack> decoder_stack =
+                                               base->decoder_stack();
+                               std::shared_ptr<data::decode::Decoder> top_decoder =
+                                               decoder_stack->stack().front();
+
+                               settings.beginGroup("decoder_stack" + QString::number(stacks++));
+                               settings.setValue("id", top_decoder->decoder()->id);
+                               settings.setValue("name", top_decoder->decoder()->name);
+                               settings.endGroup();
+                       } else
+#endif
+                       {
+                               settings.beginGroup(base->internal_name());
+                               base->save_settings(settings);
+                               settings.endGroup();
+                       }
+               }
+
+               settings.setValue("decoder_stacks", stacks);
+
+               // Save view states and their signal settings
+               // Note: main_view must be saved as view0
+               settings.beginGroup("view" + QString::number(views++));
+               main_view_->save_settings(settings);
+               settings.endGroup();
+
+               for (shared_ptr<view::View> view : views_) {
+                       if (view != main_view_) {
+                               settings.beginGroup("view" + QString::number(views++));
+                               view->save_settings(settings);
+                               settings.endGroup();
+                       }
+               }
+
+               settings.setValue("views", views);
+       }
+}
+
+void Session::restore_settings(QSettings &settings)
+{
+       shared_ptr<devices::Device> device;
+
+       QString device_type = settings.value("device_type").toString();
+
+       if (device_type == "hardware") {
+               map<string, string> dev_info;
+               list<string> key_list;
+
+               // Re-select last used device if possible but only if it's not demo
+               settings.beginGroup("device");
+               key_list.push_back("vendor");
+               key_list.push_back("model");
+               key_list.push_back("version");
+               key_list.push_back("serial_num");
+               key_list.push_back("connection_id");
+
+               for (string key : key_list) {
+                       const QString k = QString::fromStdString(key);
+                       if (!settings.contains(k))
+                               continue;
+
+                       const string value = settings.value(k).toString().toStdString();
+                       if (!value.empty())
+                               dev_info.insert(std::make_pair(key, value));
+               }
+
+               if (dev_info.count("model") > 0)
+                       device = device_manager_.find_device_from_info(dev_info);
+
+               if (device)
+                       set_device(device);
+
+               settings.endGroup();
+       }
+
+       if (device_type == "sessionfile") {
+               settings.beginGroup("device");
+               QString filename = settings.value("filename").toString();
+               settings.endGroup();
+
+               if (QFileInfo(filename).isReadable()) {
+                       device = std::make_shared<devices::SessionFile>(device_manager_.context(),
+                               filename.toStdString());
+                       set_device(device);
+                       set_name(filename);
+
+                       // TODO Perform error handling
+                       start_capture([](QString infoMessage) { (void)infoMessage; });
+               }
+       }
+
+       if (device) {
+               // Restore channels
+               for (shared_ptr<data::SignalBase> base : signalbases_) {
+                       settings.beginGroup(base->internal_name());
+                       base->restore_settings(settings);
+                       settings.endGroup();
+               }
+
+               // Restore decoders
+#ifdef ENABLE_DECODE
+               int stacks = settings.value("decoder_stacks").toInt();
+
+               for (int i = 0; i < stacks; i++) {
+                       settings.beginGroup("decoder_stack" + QString::number(i++));
+
+                       QString id = settings.value("id").toString();
+                       add_decoder(srd_decoder_get_by_id(id.toStdString().c_str()));
+
+                       settings.endGroup();
+               }
+#endif
+
+               // Restore views
+               int views = settings.value("views").toInt();
+
+               for (int i = 0; i < views; i++) {
+                       settings.beginGroup("view" + QString::number(i));
+
+                       if (i > 0) {
+                               view::ViewType type = (view::ViewType)settings.value("type").toInt();
+                               add_view(name_, type, this);
+                               views_.back()->restore_settings(settings);
+                       } else
+                               main_view_->restore_settings(settings);
+
+                       settings.endGroup();
+               }
+       }
+}
+
 void Session::set_device(shared_ptr<devices::Device> device)
 {
        assert(device);
@@ -160,6 +354,10 @@ void Session::set_device(shared_ptr<devices::Device> device)
 
        device_.reset();
 
+       // Revert name back to default name (e.g. "Untitled-1") as the data is gone
+       name_ = default_name_;
+       name_changed();
+
        // Remove all stored data
        for (std::shared_ptr<pv::view::View> view : views_) {
                view->clear_signals();
@@ -188,7 +386,7 @@ void Session::set_device(shared_ptr<devices::Device> device)
                device_->open();
        } catch (const QString &e) {
                device_.reset();
-               device_selected();
+               device_changed();
                throw;
        }
 
@@ -198,7 +396,7 @@ void Session::set_device(shared_ptr<devices::Device> device)
                });
 
        update_signals();
-       device_selected();
+       device_changed();
 }
 
 void Session::set_default_device()
@@ -248,6 +446,10 @@ void Session::start_capture(function<void (const QString)> error_handler)
        for (const shared_ptr<data::SignalData> d : all_signal_data_)
                d->clear();
 
+       // Revert name back to default name (e.g. "Untitled-1") as the data is gone
+       name_ = default_name_;
+       name_changed();
+
        // Begin the session
        sampling_thread_ = std::thread(
                &Session::sample_thread_proc, this, error_handler);
@@ -269,12 +471,13 @@ void Session::register_view(std::shared_ptr<pv::view::View> view)
                main_view_ = view;
        }
 
-       views_.insert(view);
+       views_.push_back(view);
 }
 
 void Session::deregister_view(std::shared_ptr<pv::view::View> view)
 {
-       views_.erase(view);
+       views_.remove_if([&](std::shared_ptr<pv::view::View> v) {
+               return v == view; });
 
        if (views_.empty()) {
                main_view_.reset();
@@ -284,6 +487,15 @@ void Session::deregister_view(std::shared_ptr<pv::view::View> view)
        }
 }
 
+bool Session::has_view(std::shared_ptr<pv::view::View> view)
+{
+       for (std::shared_ptr<pv::view::View> v : views_)
+               if (v == view)
+                       return true;
+
+       return false;
+}
+
 double Session::get_samplerate() const
 {
        double samplerate = 0.0;
@@ -346,6 +558,7 @@ bool Session::add_decoder(srd_decoder *const dec)
                        shared_ptr<data::SignalBase>(new data::SignalBase(nullptr));
 
                signalbase->set_decoder_stack(decoder_stack);
+               signalbases_.insert(signalbase);
 
                for (std::shared_ptr<pv::view::View> view : views_)
                        view->add_decode_trace(signalbase);