From b56523fadf2851ba65064918d31d924dd7867925 Mon Sep 17 00:00:00 2001
From: Mirko Scholz <srtlg@users.noreply.github.com>
Date: Thu, 10 Sep 2020 16:56:58 +0200
Subject: [PATCH] updated keyboard of Qt GUI

---
 qt_gui/main.qml | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/qt_gui/main.qml b/qt_gui/main.qml
index fe0a913..e3bb33c 100644
--- a/qt_gui/main.qml
+++ b/qt_gui/main.qml
@@ -121,7 +121,7 @@ ApplicationWindow
 							horizontalAlignment: Text.AlignHCenter
 							font.pointSize: 16
 							color: "gray"
-							text: {getShiftedText(parent.parent.objectName, index) + "<br><br>"}
+							text: {getShiftedUpText(parent.parent.objectName, index) + "<br><br>"}
 								textFormat: Text.RichText
 								anchors.centerIn: parent
 						}
@@ -132,6 +132,14 @@ ApplicationWindow
 							textFormat: Text.RichText
 							anchors.centerIn: parent
 						}
+						Text {
+							horizontalAlignment: Text.AlignHCenter
+							font.pointSize: 16
+							color: "gray"
+							text: {"<br><br><br>" + getShiftedDownText(parent.parent.objectName, index)}
+								textFormat: Text.RichText
+								anchors.centerIn: parent
+						}
 						MouseArea {
 							//get row/column
 							onClicked: _calculator.buttonClicked(parent.parent.objectName + "," + index)
@@ -155,18 +163,30 @@ ApplicationWindow
 		return "<b>" + keys[row][col] + "</b>"
 	}
 
-	function getShiftedText(row, col) {
+	function getShiftedUpText(row, col) {
 		var shifted_keys = [
 		["Shift", "1/x", " √<span style=\"text-decoration: overline\">x</span> ",   "CL<i>x</i>"],
-		["y<sup>x</sup> ",   "ln(x)", "log(x)", ""],
-		["🔃",      "e<sup>x</sup>",   "10<sup>x</sup>",   ""],
-		["",      "",      "",       ""],
+		["y<sup>x</sup> ",   "ln(x)", "log(x)", "π"],
+		["R▼",      "e<sup>x</sup>",   "10<sup>x</sup>",   ""],
+		["sin",      "cos",      "tan",       "►rad"],
 		["off",   "STO",      "RCL",       "LAST<i>x</i>"]
 		]
 
 		return "<small>" + shifted_keys[row][col] + "</small>"
 	}
 
+	function getShiftedDownText(row, col) {
+		var shifted_keys = [
+		["", "", "",   ""],
+		["",   "", "", ""],
+		["R▲",      "",   "",   ""],
+		["",      "",   "tan<sup>−1</sup>",       "►deg"],
+		["",   "",      "",       ""]
+		]
+
+		return "<small>" + shifted_keys[row][col] + "</small>"
+	}
+
 	function getBackgroundColor(row, col) {
 		var background_color = [
 			["white",   "white",   "white", "#ff9494"],