UI tweak & new PTT button

firmware/common/ui_widget.cpp

@@ -946,6 +946,101 @@ bool Button::on_touch(const TouchEvent event) {
 #endif
 }
 
+/* TxButton ****************************************************************/
+
+TxButton::TxButton(
+	Rect parent_rect,
+	std::string text
+) : Widget { parent_rect },
+	text_ { text }
+{
+	set_focusable(true);
+}
+
+void TxButton::set_text(const std::string value) {
+	text_ = value;
+	set_dirty();
+}
+
+std::string TxButton::text() const {
+	return text_;
+}
+
+void TxButton::paint(Painter& painter) {
+	Color bg, fg;
+	const auto r = screen_rect();
+
+	if (has_focus() || highlighted()) {
+		bg = style().foreground;
+		fg = Color::black();
+	} else {
+		bg = Color::grey();
+		fg = style().foreground;
+	}
+	
+	const Style paint_style = { style().font, bg, fg };
+	
+	painter.draw_rectangle({r.location(), {r.size().width(), 1}}, Color::light_grey());
+	painter.draw_rectangle({r.location().x(), r.location().y() + r.size().height() - 1, r.size().width(), 1}, Color::dark_grey());
+	painter.draw_rectangle({r.location().x() + r.size().width() - 1, r.location().y(), 1, r.size().height()}, Color::dark_grey());
+
+	painter.fill_rectangle(
+		{ r.location().x(), r.location().y() + 1, r.size().width() - 1, r.size().height() - 2 },
+		paint_style.background
+	);
+
+	const auto label_r = paint_style.font.size_of(text_);
+	painter.draw_string(
+		{ r.location().x() + (r.size().width() - label_r.width()) / 2, r.location().y() + (r.size().height() - label_r.height()) / 2 },
+		paint_style,
+		text_
+	);
+}
+
+void TxButton::on_focus() {
+	if( on_highlight )
+		on_highlight(*this);
+}
+
+bool TxButton::on_key(const KeyEvent key) {
+	if( key == KeyEvent::Select ) {
+		if( on_buttonpress ) {
+			on_buttonpress(*this);
+			return true;
+		}
+	} else {
+		if( on_dir ) {
+			return on_dir(*this, key);
+		}
+	}
+
+	return false;
+}
+
+bool TxButton::on_touch(const TouchEvent event) {
+	switch(event.type) {
+	case TouchEvent::Type::Start:
+		set_highlighted(true);
+		set_dirty();
+		if( on_select ) {
+			on_select(*this);
+		}
+		return true;
+
+
+	case TouchEvent::Type::End:
+		set_highlighted(false);
+		set_dirty();
+		if( on_release ) {
+			on_release(*this);
+		}
+		return true;
+
+	default:
+		return false;
+	}
+}
+
 /* NewButton ****************************************************************/
 
 NewButton::NewButton(