iio-widgets/UIStrategy: Add compact mode to UI Strategies

Compact mode reduces the size of the IIOWidgets to a single line. It can
be toggled on/off by the compactMode() function in the builder.

Signed-off-by: Andrei-Fabian-Pop <Andreifabian.Pop@analog.com>

gui/include/gui/widgets/titlespinbox.h

@@ -13,7 +13,7 @@ class SCOPY_GUI_EXPORT TitleSpinBox : public QWidget
 	Q_OBJECT
 
 public:
-	explicit TitleSpinBox(QString title, QWidget *parent = nullptr);
+	explicit TitleSpinBox(QString title, bool isCompact = false, QWidget *parent = nullptr);
 	~TitleSpinBox();
 
 	void setTitle(QString title);
@@ -45,6 +45,7 @@ class SCOPY_GUI_EXPORT TitleSpinBox : public QWidget
 	 * @return
 	 */
 	static QString truncValue(double value);
+	void connectSignalsAndSlots();
 
 	QPushButton *m_spinBoxUpButton;
 	QPushButton *m_spinBoxDownButton;

gui/src/widgets/titlespinbox.cpp

@@ -8,7 +8,7 @@
 using namespace scopy;
 Q_LOGGING_CATEGORY(CAT_TITLESPINBOX, "TitleSpinBox")
 
-TitleSpinBox::TitleSpinBox(QString title, QWidget *parent)
+TitleSpinBox::TitleSpinBox(QString title, bool isCompact, QWidget *parent)
 	: QWidget(parent)
 	, m_titleLabel(new QLabel(title, this))
 	, m_lineedit(new QLineEdit(this))
@@ -27,18 +27,8 @@ TitleSpinBox::TitleSpinBox(QString title, QWidget *parent)
 	m_lineedit->setMaximumHeight(25);
 
 	QWidget *spinboxWidget = new QWidget(this);
-	QVBoxLayout *spinboxWidgetLayout = new QVBoxLayout(spinboxWidget);
-	spinboxWidgetLayout->setSpacing(0);
-	spinboxWidgetLayout->setMargin(0);
-
-	spinboxWidgetLayout->addWidget(m_titleLabel);
-	spinboxWidgetLayout->addWidget(m_lineedit);
-
 	QWidget *buttonWidget = new QWidget(this);
 	buttonWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
-	QVBoxLayout *buttonWidgetLayout = new QVBoxLayout(buttonWidget);
-	buttonWidgetLayout->setSpacing(1);
-	buttonWidgetLayout->setContentsMargins(0, 0, 0, 1);
 
 	m_spinBoxUpButton->setAutoRepeat(true); // so the user can hold down the button and it will react
 	StyleHelper::SpinBoxUpButton(m_spinBoxUpButton, "SpinBoxUpButton");
@@ -50,56 +40,61 @@ TitleSpinBox::TitleSpinBox(QString title, QWidget *parent)
 	m_spinBoxDownButton->setIconSize(QSize(20, 20));
 	m_spinBoxDownButton->setFixedSize(20, 20);
 
-	buttonWidgetLayout->addWidget(m_spinBoxUpButton);
-	buttonWidgetLayout->addWidget(m_spinBoxDownButton);
-
-	// here we preffer the pressed signal rather than the clicked one to speed up the change of values
-	connect(m_spinBoxUpButton, &QPushButton::pressed, m_lineedit, [this] {
-		bool ok = true;
-		QString text = m_lineedit->text();
-		double value = text.toDouble(&ok);
-		if(!ok) {
-			// If the cast fails that means that there is an issue with the text and the
-			// min/max/step values are useless here. The signal will just be skipped and
-			// a debug message will de displayed.
-			qDebug(CAT_TITLESPINBOX) << "Cannot increase the value:" << text;
-			return;
-		}
-
-		double newValue = value + m_step;
-		if(newValue > m_max) {
-			newValue = value;
-		}
-
-		m_lineedit->setText(truncValue(newValue));
-	});
-
-	connect(m_spinBoxDownButton, &QPushButton::pressed, m_lineedit, [this] {
-		bool ok = true;
-		QString text = m_lineedit->text();
-		double value = text.toDouble(&ok);
-		if(!ok) {
-			// If the cast fails that means that there is an issue with the text and the
-			// min/max/step values are useless here. The signal will just be skipped and
-			// a debug message will de displayed.
-			qDebug(CAT_TITLESPINBOX) << "Cannot decrease the value:" << text;
-			return;
-		}
-
-		double newValue = value - m_step;
-		if(newValue < m_min) {
-			newValue = value;
-		}
-
-		m_lineedit->setText(truncValue(newValue));
-	});
-
-	spinboxWidgetLayout->addWidget(m_titleLabel);
-	spinboxWidgetLayout->addWidget(m_lineedit);
+	if(isCompact) {
+		m_titleLabel->setText(m_titleLabel->text().toUpper());
+		m_titleLabel->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+		m_titleLabel->setStyleSheet(R"css(
+			QLabel {
+				color: white;
+				background-color: rgba(255,255,255,0);
+				font-weight: 500;
+				font-family: Open Sans;
+				font-size: 12px;
+				font-style: normal;
+			}
+			QLabel:disabled {
+				color: grey;
+			}
+		)css");
+
+		m_lineedit->setAlignment(Qt::AlignRight);
+
+		QHBoxLayout *buttonWidgetLayout = new QHBoxLayout(buttonWidget);
+		buttonWidgetLayout->setSpacing(1);
+		buttonWidgetLayout->setContentsMargins(0, 0, 0, 1);
+
+		QHBoxLayout *spinboxWidgetLayout = new QHBoxLayout(spinboxWidget);
+		spinboxWidgetLayout->setSpacing(0);
+		spinboxWidgetLayout->setMargin(0);
+
+		buttonWidgetLayout->addWidget(m_spinBoxDownButton);
+		buttonWidgetLayout->addWidget(m_spinBoxUpButton);
+		spinboxWidgetLayout->addWidget(m_titleLabel);
+		spinboxWidgetLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Preferred));
+		spinboxWidgetLayout->addWidget(m_lineedit);
+
+		mainLayout->addWidget(spinboxWidget);
+		mainLayout->addWidget(buttonWidget);
+	} else {
+		QVBoxLayout *buttonWidgetLayout = new QVBoxLayout(buttonWidget);
+		buttonWidgetLayout->setSpacing(1);
+		buttonWidgetLayout->setContentsMargins(0, 0, 0, 1);
+
+		QVBoxLayout *spinboxWidgetLayout = new QVBoxLayout(spinboxWidget);
+		spinboxWidgetLayout->setSpacing(0);
+		spinboxWidgetLayout->setMargin(0);
+
+		buttonWidgetLayout->addWidget(m_spinBoxUpButton);
+		buttonWidgetLayout->addWidget(m_spinBoxDownButton);
+		spinboxWidgetLayout->addWidget(m_titleLabel);
+		spinboxWidgetLayout->addWidget(m_lineedit);
+
+		mainLayout->addWidget(spinboxWidget);
+		mainLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Preferred));
+		mainLayout->addWidget(buttonWidget);
+	}
 
-	mainLayout->addWidget(spinboxWidget);
-	mainLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Preferred));
-	mainLayout->addWidget(buttonWidget);
+	connectSignalsAndSlots();
 }
 
 TitleSpinBox::~TitleSpinBox() {}
@@ -150,4 +145,48 @@ QString TitleSpinBox::truncValue(double value)
 	return sReturn;
 }
 
+void TitleSpinBox::connectSignalsAndSlots()
+{
+	// here we preffer the pressed signal rather than the clicked one to speed up the change of values
+	connect(m_spinBoxUpButton, &QPushButton::pressed, m_lineedit, [this] {
+		bool ok = true;
+		QString text = m_lineedit->text();
+		double value = text.toDouble(&ok);
+		if(!ok) {
+			// If the cast fails that means that there is an issue with the text and the
+			// min/max/step values are useless here. The signal will just be skipped and
+			// a debug message will de displayed.
+			qDebug(CAT_TITLESPINBOX) << "Cannot increase the value:" << text;
+			return;
+		}
+
+		double newValue = value + m_step;
+		if(newValue > m_max) {
+			newValue = value;
+		}
+
+		m_lineedit->setText(truncValue(newValue));
+	});
+
+	connect(m_spinBoxDownButton, &QPushButton::pressed, m_lineedit, [this] {
+		bool ok = true;
+		QString text = m_lineedit->text();
+		double value = text.toDouble(&ok);
+		if(!ok) {
+			// If the cast fails that means that there is an issue with the text and the
+			// min/max/step values are useless here. The signal will just be skipped and
+			// a debug message will de displayed.
+			qDebug(CAT_TITLESPINBOX) << "Cannot decrease the value:" << text;
+			return;
+		}
+
+		double newValue = value - m_step;
+		if(newValue < m_min) {
+			newValue = value;
+		}
+
+		m_lineedit->setText(truncValue(newValue));
+	});
+}
+
 #include "moc_titlespinbox.cpp"

iio-widgets/include/iio-widgets/guistrategy/comboguistrategy.h

@@ -37,7 +37,7 @@ class SCOPY_IIO_WIDGETS_EXPORT ComboAttrUi : public QWidget, public GuiStrategyI
 	/**
 	 * @brief This contain a MenuComboWidget that takes the options for the combo from recipe->linkedAttributeValue.
 	 * */
-	explicit ComboAttrUi(IIOWidgetFactoryRecipe recipe, QWidget *parent = nullptr);
+	explicit ComboAttrUi(IIOWidgetFactoryRecipe recipe, bool isCompact = false, QWidget *parent = nullptr);
 	~ComboAttrUi();
 
 	/**
@@ -57,7 +57,8 @@ public Q_SLOTS:
 
 private:
 	QWidget *m_ui;
-	MenuCombo *m_comboWidget;
+	QComboBox *m_comboWidget;
+	bool m_isCompact;
 };
 } // namespace scopy
 

iio-widgets/include/iio-widgets/guistrategy/editableguistrategy.h

@@ -37,7 +37,7 @@ class SCOPY_IIO_WIDGETS_EXPORT EditableGuiStrategy : public QWidget, public GuiS
 	/**
 	 * @brief This contain a MenuLineEdit with no validation on what the text can or cannot be set.
 	 * */
-	explicit EditableGuiStrategy(IIOWidgetFactoryRecipe recipe, QWidget *parent = nullptr);
+	explicit EditableGuiStrategy(IIOWidgetFactoryRecipe recipe, bool isCompact = false, QWidget *parent = nullptr);
 	~EditableGuiStrategy();
 
 	/**

iio-widgets/include/iio-widgets/guistrategy/rangeguistrategy.h

@@ -40,7 +40,7 @@ class SCOPY_IIO_WIDGETS_EXPORT RangeAttrUi : public QWidget, public GuiStrategyI
 	 * string from recipe->linkedAttributeValue should look like "[begin step end]" where "begin", "step" and "end"
 	 * will be converted to double.
 	 * */
-	explicit RangeAttrUi(IIOWidgetFactoryRecipe recipe, QWidget *parent = nullptr);
+	explicit RangeAttrUi(IIOWidgetFactoryRecipe recipe, bool isCompact = false, QWidget *parent = nullptr);
 	~RangeAttrUi();
 
 	/**

iio-widgets/include/iio-widgets/guistrategy/switchguistrategy.h

@@ -38,7 +38,7 @@ class SCOPY_IIO_WIDGETS_EXPORT SwitchAttrUi : public QWidget, public GuiStrategy
 	 * @brief This contain a CustomSwitch capable of holding no more than 2 values, the ones specified in
 	 * recipe->linkedAttributeValue.
 	 * */
-	explicit SwitchAttrUi(IIOWidgetFactoryRecipe recipe, QWidget *parent = nullptr);
+	explicit SwitchAttrUi(IIOWidgetFactoryRecipe recipe, bool isCompact = false, QWidget *parent = nullptr);
 	~SwitchAttrUi();
 
 	/**

iio-widgets/include/iio-widgets/iiowidgetbuilder.h

@@ -81,6 +81,15 @@ class SCOPY_IIO_WIDGETS_EXPORT IIOWidgetBuilder : public QObject
 	 */
 	IIOWidgetBuilder &connection(scopy::Connection *connection);
 
+	/**
+	 * @brief Sets the UI of the widgets to compact mode, this way, the widget
+	 * sizes will be more compact.
+	 * @param isCompact If this is set to true, the widget will be in compact
+	 * mode. If false, the widget will be in normal mode.
+	 * @return
+	 */
+	IIOWidgetBuilder &compactMode(bool isCompact);
+
 	/**
 	 * @brief Sets the context that will be used, if no iio_device or iio_channel
 	 * is set, the build functions will work with the context.
@@ -151,6 +160,7 @@ class SCOPY_IIO_WIDGETS_EXPORT IIOWidgetBuilder : public QObject
 	GuiStrategyInterface *createUIS();
 
 	Connection *m_connection;
+	bool m_isCompact;
 	struct iio_context *m_context;
 	struct iio_device *m_device;
 	struct iio_channel *m_channel;

iio-widgets/src/guistrategy/comboguistrategy.cpp

@@ -23,23 +23,57 @@
 
 using namespace scopy;
 
-ComboAttrUi::ComboAttrUi(IIOWidgetFactoryRecipe recipe, QWidget *parent)
+ComboAttrUi::ComboAttrUi(IIOWidgetFactoryRecipe recipe, bool isCompact, QWidget *parent)
 	: m_ui(new QWidget(nullptr))
+	, m_isCompact(isCompact)
 {
 	m_recipe = recipe;
-	m_ui->setLayout(new QVBoxLayout(m_ui));
-	m_ui->layout()->setContentsMargins(0, 0, 0, 0);
 
-	m_comboWidget = new MenuCombo(recipe.data, m_ui);
-	StyleHelper::IIOComboBox(m_comboWidget->combo(), "IIOComboBox");
+	if(m_isCompact) {
+		m_ui->setLayout(new QHBoxLayout(m_ui));
+		m_ui->layout()->setContentsMargins(0, 0, 0, 0);
 
-	m_ui->layout()->addWidget(m_comboWidget);
-	Q_EMIT requestData();
+		auto label = new QLabel(recipe.data.toUpper(), m_ui);
+		label->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+		label->setStyleSheet(R"css(
+				QLabel {
+					color: white;
+					background-color: rgba(255,255,255,0);
+					font-weight: 500;
+					font-family: Open Sans;
+					font-size: 12px;
+					font-style: normal;
+				}
+				QLabel:disabled {
+					color: grey;
+				}
+		)css");
+		m_comboWidget = new QComboBox(m_ui);
+		m_comboWidget->setSizeAdjustPolicy(QComboBox::SizeAdjustPolicy::AdjustToContents);
+
+		StyleHelper::IIOComboBox(m_comboWidget, "IIOComboBox");
+		m_comboWidget->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+
+		m_ui->layout()->addWidget(label);
+		m_ui->layout()->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Preferred));
+		m_ui->layout()->addWidget(m_comboWidget);
+	} else {
+		m_ui->setLayout(new QVBoxLayout(m_ui));
+		m_ui->layout()->setContentsMargins(0, 0, 0, 0);
+
+		auto comboMenuWidget = new MenuCombo(recipe.data, m_ui);
+		m_comboWidget = comboMenuWidget->combo();
+		StyleHelper::IIOComboBox(m_comboWidget, "IIOComboBox");
+
+		m_ui->layout()->addWidget(comboMenuWidget);
+	}
 
-	connect(m_comboWidget->combo(), QOverload<int>::of(&QComboBox::currentIndexChanged), this, [this](int index) {
-		QString currentData = m_comboWidget->combo()->currentText();
+	connect(m_comboWidget, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [this](int index) {
+		QString currentData = m_comboWidget->currentText();
 		Q_EMIT emitData(currentData);
 	});
+
+	Q_EMIT requestData();
 }
 
 ComboAttrUi::~ComboAttrUi() { m_ui->deleteLater(); }
@@ -56,14 +90,22 @@ bool ComboAttrUi::isValid()
 
 void ComboAttrUi::receiveData(QString currentData, QString optionalData)
 {
-	QSignalBlocker blocker(m_comboWidget->combo());
-	m_comboWidget->combo()->clear();
+	QSignalBlocker blocker(m_comboWidget);
+	m_comboWidget->clear();
 	QStringList optionsList = QString(optionalData).split(" ", Qt::SkipEmptyParts);
 	for(const QString &item : optionsList) {
-		m_comboWidget->combo()->addItem(item);
+		m_comboWidget->addItem(item);
+	}
+
+	if(m_isCompact) {
+		// hackish: in compact mode, the value is pushed to the right and the width is
+		// at the minimum. Because of this, the viewport is smaller than the size and some
+		// values might not be seen. The temporary solution is to add this line (until the
+		// new gui system and the new designs).
+		m_comboWidget->view()->setMinimumWidth(m_comboWidget->view()->sizeHintForColumn(0));
 	}
 
-	m_comboWidget->combo()->setCurrentText(currentData);
+	m_comboWidget->setCurrentText(currentData);
 	Q_EMIT displayedNewData(currentData, optionalData);
 }