Make the save and load buttons in the MIDI mapping edit dialog work.

[nageru] / midi_mapping_dialog.cpp

diff --git a/midi_mapping_dialog.cpp b/midi_mapping_dialog.cpp
index cd622d7493cbf6cbff52d6f95d8edc8bd5d66cf1..2f5779706f625e2a058f0cf643051300f6dc86ed 100644 (file)
--- a/midi_mapping_dialog.cpp
+++ b/midi_mapping_dialog.cpp
@@ -123,6 +123,7 @@ MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
        add_controls("Per-bus buttons", ControlType::BUTTON, mapping_proto, per_bus_buttons);
        add_controls("Global controllers", ControlType::CONTROLLER, mapping_proto, global_controllers);
        add_controls("Global buttons", ControlType::BUTTON, mapping_proto, global_buttons);
+       fill_controls_from_mapping(mapping_proto);
 
        // Auto-resize every column but the last.
        for (unsigned column_idx = 0; column_idx < num_buses + 3; ++column_idx) {
@@ -131,6 +132,8 @@ MIDIMappingDialog::MIDIMappingDialog(MIDIMapper *mapper)
 
        connect(ui->ok_cancel_buttons, &QDialogButtonBox::accepted, this, &MIDIMappingDialog::ok_clicked);
        connect(ui->ok_cancel_buttons, &QDialogButtonBox::rejected, this, &MIDIMappingDialog::cancel_clicked);
+       connect(ui->save_button, &QPushButton::clicked, this, &MIDIMappingDialog::save_clicked);
+       connect(ui->load_button, &QPushButton::clicked, this, &MIDIMappingDialog::load_clicked);
 }
 
 MIDIMappingDialog::~MIDIMappingDialog()
@@ -149,6 +152,36 @@ void MIDIMappingDialog::cancel_clicked()
        reject();
 }
 
+void MIDIMappingDialog::save_clicked()
+{
+       unique_ptr<MIDIMappingProto> new_mapping = construct_mapping_proto_from_ui();
+       QString filename = QFileDialog::getSaveFileName(this,
+               "Save MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
+       if (!filename.endsWith(".midimapping")) {
+               filename += ".midimapping";
+       }
+       if (!save_midi_mapping_to_file(*new_mapping, filename.toStdString())) {
+               QMessageBox box;
+               box.setText("Could not save mapping to '" + filename + "'. Check that you have the right permissions and try again.");
+               box.exec();
+       }
+}
+
+void MIDIMappingDialog::load_clicked()
+{
+       QString filename = QFileDialog::getOpenFileName(this,
+               "Load MIDI mapping", QString(), tr("Mapping files (*.midimapping)"));
+       MIDIMappingProto new_mapping;
+       if (!load_midi_mapping_from_file(filename.toStdString(), &new_mapping)) {
+               QMessageBox box;
+               box.setText("Could not load mapping from '" + filename + "'. Check that the file exists, has the right permissions and is valid.");
+               box.exec();
+               return;
+       }
+
+       fill_controls_from_mapping(new_mapping);
+}
+
 namespace {
 
 template<class T>
@@ -213,7 +246,6 @@ void MIDIMappingDialog::add_bank_selector(QTreeWidgetItem *item, const MIDIMappi
        QComboBox *bank_selector = new QComboBox(this);
        bank_selector->addItems(QStringList() << "" << "Bank 1" << "Bank 2" << "Bank 3" << "Bank 4" << "Bank 5");
        bank_selector->setAutoFillBackground(true);
-       bank_selector->setCurrentIndex(get_bank(mapping_proto, bank_field_number, -1) + 1);
 
        bank_combo_boxes.push_back(InstantiatedComboBox{ bank_selector, bank_field_number });
 
@@ -243,14 +275,25 @@ void MIDIMappingDialog::add_controls(const string &heading,
                        ui->treeWidget->setItemWidget(item, bus_idx + 2, spinner);
 
                        if (control_type == ControlType::CONTROLLER) {
-                               spinner->setValue(get_controller_mapping(mapping_proto, bus_idx, control.field_number, 0));
                                controller_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, control.field_number });
                        } else {
                                assert(control_type == ControlType::BUTTON);
-                               spinner->setValue(get_button_mapping(mapping_proto, bus_idx, control.field_number, 0));
                                button_spinners.push_back(InstantiatedSpinner{ spinner, bus_idx, control.field_number });
                        }
                }
        }
        ui->treeWidget->addTopLevelItem(heading_item);
 }
+
+void MIDIMappingDialog::fill_controls_from_mapping(const MIDIMappingProto &mapping_proto)
+{
+       for (const InstantiatedSpinner &is : controller_spinners) {
+               is.spinner->setValue(get_controller_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
+       }
+       for (const InstantiatedSpinner &is : button_spinners) {
+               is.spinner->setValue(get_button_mapping(mapping_proto, is.bus_idx, is.field_number, 0));
+       }
+       for (const InstantiatedComboBox &ic : bank_combo_boxes) {
+               ic.combo_box->setCurrentIndex(get_bank(mapping_proto, ic.field_number, -1) + 1);
+       }
+}