Implement default dive computer and device

The data is saved in the settings and the correct dive computer (vendor
and product) and device are picked when the download dialog is openend.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

3 files changed, 93 insertions, 21 deletions

diff --git a/helpers.h b/helpers.h
index 8e72d6a20..04fcd8309 100644
--- a/helpers.h
+++ b/helpers.h
@@ -15,5 +15,7 @@ QString get_weight_string(weight_t weight, bool showunit);
 QString get_temperature_string(temperature_t temp, bool showunit);
 QString get_volume_string(volume_t volume, bool showunit);
 QString get_pressure_string(pressure_t pressure, bool showunit);
+void set_default_dive_computer(const char *vendor, const char *product);
+void set_default_dive_computer_device(const char *name);
 
 #endif /* HELPER_H */
diff --git a/qt-gui.cpp b/qt-gui.cpp
index 7aeea36a3..38038bf61 100644
--- a/qt-gui.cpp
+++ b/qt-gui.cpp
@@ -20,6 +20,7 @@
 #include "version.h"
 #include "libdivecomputer.h"
 #include "qt-ui/mainwindow.h"
+#include "helpers.h"
 
 #include <QApplication>
 #include <QFileDialog>
@@ -30,6 +31,10 @@
 #include <QSettings>
 #include <QDesktopWidget>
 
+const char *default_dive_computer_vendor;
+const char *default_dive_computer_product;
+const char *default_dive_computer_device;
+
 class Translator: public QTranslator
 {
 	Q_OBJECT
@@ -66,6 +71,18 @@ void init_qt_ui(int *argcp, char ***argvp, char *errormessage)
 	window->show();
 }
 
+const char *getSetting(QSettings &s, char *name)
+{
+	QVariant v;
+	QString text;
+	v = s.value(name);
+	if (v.isValid()) {
+		text = v.toString();
+		return strdup(text.toUtf8());
+	}
+	return NULL;
+}
+
 void init_ui(int *argcp, char ***argvp)
 {
 	QVariant v;
@@ -82,22 +99,15 @@ void init_ui(int *argcp, char ***argvp)
 	QCoreApplication::setOrganizationDomain("subsurface.hohndel.org");
 	QCoreApplication::setApplicationName("Subsurface");
 
-	QSettings settings;
-	settings.beginGroup("GeneralSettings");
-	v = settings.value(QString("default_filename"));
-	if (v.isValid()) {
-		QString name = v.toString();
-		prefs.default_filename = strdup(name.toUtf8());
-	}
-	settings.endGroup();
-
-#if 0
-
-	/* these still need to be handled in QSettings */
-	default_dive_computer_vendor = subsurface_get_conf("dive_computer_vendor");
-	default_dive_computer_product = subsurface_get_conf("dive_computer_product");
-	default_dive_computer_device = subsurface_get_conf("dive_computer_device");
-#endif
+	QSettings s;
+	s.beginGroup("GeneralSettings");
+	prefs.default_filename = getSetting(s, "default_filename");
+	s.endGroup();
+	s.beginGroup("DiveComputer");
+	default_dive_computer_vendor = getSetting(s, "dive_computer_vendor");
+	default_dive_computer_product = getSetting(s,"dive_computer_product");
+	default_dive_computer_device = getSetting(s, "dive_computer_device");
+	s.endGroup();
 	return;
 }
 
@@ -111,8 +121,8 @@ void exit_ui(void)
 	delete application;
 	if (existing_filename)
 		free((void *)existing_filename);
-// 	if (default_dive_computer_device)
-// 		free((void *)default_dive_computer_device);
+	if (default_dive_computer_device)
+		free((void *)default_dive_computer_device);
 }
 
 void set_filename(const char *filename, gboolean force)
@@ -205,4 +215,54 @@ double get_screen_dpi()
 	QDesktopWidget *mydesk = application->desktop();
 	return mydesk->physicalDpiX();
 }
+
+int is_default_dive_computer(const char *vendor, const char *product)
+{
+	return default_dive_computer_vendor && !strcmp(vendor, default_dive_computer_vendor) &&
+		default_dive_computer_product && !strcmp(product, default_dive_computer_product);
+}
+
+int is_default_dive_computer_device(const char *name)
+{
+	return default_dive_computer_device && !strcmp(name, default_dive_computer_device);
+}
+
+void set_default_dive_computer(const char *vendor, const char *product)
+{
+	QSettings s;
+
+	if (!vendor || !*vendor)
+		return;
+	if (!product || !*product)
+		return;
+	if (is_default_dive_computer(vendor, product))
+		return;
+	if (default_dive_computer_vendor)
+		free((void *)default_dive_computer_vendor);
+	if (default_dive_computer_product)
+		free((void *)default_dive_computer_product);
+	default_dive_computer_vendor = strdup(vendor);
+	default_dive_computer_product = strdup(product);
+	s.beginGroup("DiveComputer");
+	s.setValue("dive_computer_vendor", vendor);
+	s.setValue("dive_computer_product", product);
+	s.endGroup();
+}
+
+void set_default_dive_computer_device(const char *name)
+{
+	QSettings s;
+
+	if (!name || !*name)
+		return;
+	if (is_default_dive_computer_device(name))
+		return;
+	if (default_dive_computer_device)
+		free((void *)default_dive_computer_device);
+	default_dive_computer_device = strdup(name);
+	s.beginGroup("DiveComputer");
+	s.setValue("dive_computer_device", name);
+	s.endGroup();
+}
+
 #include "qt-gui.moc"
diff --git a/qt-ui/downloadfromdivecomputer.cpp b/qt-ui/downloadfromdivecomputer.cpp
index 9b8ad29ef..9411ddd88 100644
--- a/qt-ui/downloadfromdivecomputer.cpp
+++ b/qt-ui/downloadfromdivecomputer.cpp
@@ -2,6 +2,8 @@
 #include "ui_downloadfromdivecomputer.h"
 
 #include "../libdivecomputer.h"
+#include "../helpers.h"
+#include "../display.h"
 #include <cstdlib>
 #include <QThread>
 #include <QDebug>
@@ -41,7 +43,15 @@ DownloadFromDCWidget::DownloadFromDCWidget(QWidget* parent, Qt::WindowFlags f) :
 
 	vendorModel = new QStringListModel(vendorList);
 	ui->vendor->setModel(vendorModel);
-	ui->product->setModel(0);
+	if (default_dive_computer_vendor) {
+		ui->vendor->setCurrentIndex(ui->vendor->findText(default_dive_computer_vendor));
+		productModel = new QStringListModel(productList[default_dive_computer_vendor]);
+		ui->product->setModel(productModel);
+		if (default_dive_computer_product)
+			ui->product->setCurrentIndex(ui->product->findText(default_dive_computer_product));
+	}
+	if (default_dive_computer_device)
+		ui->device->setText(default_dive_computer_device);
 }
 
 void DownloadFromDCWidget::on_vendor_currentIndexChanged(const QString& vendor)
@@ -128,8 +138,8 @@ void DownloadFromDCWidget::on_ok_clicked()
 	data.product = strdup(ui->product->currentText().toUtf8().data());
 	data.descriptor = descriptorLookup[ui->vendor->currentText() + ui->product->currentText()];
 	data.force_download = ui->forceDownload->isChecked();
-	// still needs to be implemented
-	// set_default_dive_computer(data.vendor, data.product);
+	set_default_dive_computer(data.vendor, data.product);
+	set_default_dive_computer_device(data.devname);
 
 	thread = new InterfaceThread(this, &data);
 	connect(thread, SIGNAL(updateInterface(int)),