From 1b57e415be4788ae5aaa6f3a037055fd874997d4 Mon Sep 17 00:00:00 2001
From: Raphael Coeffic <raphael.coeffic@frafos.com>
Date: Mon, 13 Sep 2021 11:10:32 +0200
Subject: [PATCH] Add touch support to simulation

---
 .../src/simulation/simulateduiwidget.cpp      |  1 +
 companion/src/simulation/simulatorinterface.h |  1 +
 companion/src/simulation/widgets/lcdwidget.h  | 26 ++++++++++-
 radio/src/targets/simu/opentxsimulator.cpp    | 45 +++++++++++++++++++
 radio/src/targets/simu/opentxsimulator.h      |  7 +++
 5 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/companion/src/simulation/simulateduiwidget.cpp b/companion/src/simulation/simulateduiwidget.cpp
index c3db6f4ef..a2c257a19 100644
--- a/companion/src/simulation/simulateduiwidget.cpp
+++ b/companion/src/simulation/simulateduiwidget.cpp
@@ -197,6 +197,7 @@ void SimulatedUIWidget::setLcd(LcdWidget * lcd)
     m_backLight = 0;
 
   m_lcd->setBackgroundColor(m_backlightColors.at(m_backLight));
+  connect(m_lcd, &LcdWidget::touchEvent, m_simulator, &SimulatorInterface::touchEvent);
 }
 
 void SimulatedUIWidget::connectScrollActions()
diff --git a/companion/src/simulation/simulatorinterface.h b/companion/src/simulation/simulatorinterface.h
index 9c641dccd..25adc9c6b 100644
--- a/companion/src/simulation/simulatorinterface.h
+++ b/companion/src/simulation/simulatorinterface.h
@@ -144,6 +144,7 @@ class SimulatorInterface : public QObject
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value) = 0;
     virtual void setInputValue(int type, uint8_t index, int16_t value) = 0;
     virtual void rotaryEncoderEvent(int steps) = 0;
+    virtual void touchEvent(int type, int x, int y) = 0;
     virtual void setTrainerTimeout(uint16_t ms) = 0;
     virtual void sendTelemetry(const QByteArray data) = 0;
     virtual void setLuaStateReloadPermanentScripts() = 0;
diff --git a/companion/src/simulation/widgets/lcdwidget.h b/companion/src/simulation/widgets/lcdwidget.h
index 879ce3236..35f88cf27 100644
--- a/companion/src/simulation/widgets/lcdwidget.h
+++ b/companion/src/simulation/widgets/lcdwidget.h
@@ -29,6 +29,7 @@
 #include <QElapsedTimer>
 #include <QMutex>
 #include <QMutexLocker>
+#include <QMouseEvent>
 
 #include "appdata.h"
 #include "appdebugmessagehandler.h"
@@ -41,6 +42,12 @@ class LcdWidget : public QWidget
 
   public:
 
+    enum TouchEvent {
+      TouchUp=0,
+      TouchDown,
+      TouchSlide
+    };
+  
     LcdWidget(QWidget * parent = 0):
       QWidget(parent),
       lcdBuf(NULL),
@@ -117,6 +124,9 @@ class LcdWidget : public QWidget
       }
     }
 
+  signals:
+    void touchEvent(int type, int x, int y);
+  
   protected:
 
     int lcdWidth;
@@ -213,12 +223,26 @@ class LcdWidget : public QWidget
 
     }
 
-    void paintEvent(QPaintEvent*)
+    void paintEvent(QPaintEvent*) override
     {
       QPainter p(this);
       doPaint(p);
     }
 
+    void mouseMoveEvent(QMouseEvent *event) override
+    {
+      emit touchEvent(TouchSlide, event->pos().x(), event->pos().y());
+    }
+
+    void mousePressEvent(QMouseEvent *event) override
+    {
+      emit touchEvent(TouchDown, event->pos().x(), event->pos().y());
+    }
+
+    void mouseReleaseEvent(QMouseEvent *event) override
+    {
+      emit touchEvent(TouchUp, event->pos().x(), event->pos().y());
+    }
 };
 
 #endif // _LCDWIDGET_H_
diff --git a/radio/src/targets/simu/opentxsimulator.cpp b/radio/src/targets/simu/opentxsimulator.cpp
index 49f58d380..a2cedccb2 100644
--- a/radio/src/targets/simu/opentxsimulator.cpp
+++ b/radio/src/targets/simu/opentxsimulator.cpp
@@ -299,6 +299,51 @@ void OpenTxSimulator::rotaryEncoderEvent(int steps)
 #endif  // defined(ROTARY_ENCODER_NAVIGATION)
 }
 
+void OpenTxSimulator::touchEvent(int type, int x, int y)
+{
+  switch (type) {
+    case TouchDown:
+      TRACE_WINDOWS("[Mouse Press] %d %d", x, y);
+
+#if defined(HARDWARE_TOUCH)
+      touchState.event = TE_DOWN;
+      touchState.startX = touchState.x = x;
+      touchState.startY = touchState.y = y;
+#endif
+      break;
+
+    case TouchUp:
+      TRACE_WINDOWS("[Mouse Release] %d %d", x, y);
+
+#if defined(HARDWARE_TOUCH)
+      if (touchState.event == TE_DOWN) {
+        touchState.event = TE_UP;
+        touchState.x = touchState.startX;
+        touchState.y = touchState.startY;
+      } else {
+        touchState.event = TE_SLIDE_END;
+      }
+#endif
+      break;
+
+    case TouchSlide:
+      TRACE_WINDOWS("[Mouse Move] %d %d", x, y);
+
+#if defined(HARDWARE_TOUCH)
+      touchState.deltaX += x - touchState.x;
+      touchState.deltaY += y - touchState.y;
+      if (touchState.event == TE_SLIDE ||
+          abs(touchState.deltaX) >= SLIDE_RANGE ||
+          abs(touchState.deltaY) >= SLIDE_RANGE) {
+        touchState.event = TE_SLIDE;
+        touchState.x = x;
+        touchState.y = y;
+      }
+#endif
+      break;
+  }
+}
+
 void OpenTxSimulator::setTrainerTimeout(uint16_t ms)
 {
   ppmInputValidityTimer = ms;
diff --git a/radio/src/targets/simu/opentxsimulator.h b/radio/src/targets/simu/opentxsimulator.h
index 7369a56c3..94c4a97a4 100644
--- a/radio/src/targets/simu/opentxsimulator.h
+++ b/radio/src/targets/simu/opentxsimulator.h
@@ -35,6 +35,12 @@ class DLLEXPORT OpenTxSimulator : public SimulatorInterface
 
   public:
 
+    enum TouchEvent {
+      TouchUp=0,
+      TouchDown,
+      TouchSlide
+    };
+
     OpenTxSimulator();
     virtual ~OpenTxSimulator();
 
@@ -64,6 +70,7 @@ class DLLEXPORT OpenTxSimulator : public SimulatorInterface
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value);
     virtual void setInputValue(int type, uint8_t index, int16_t value);
     virtual void rotaryEncoderEvent(int steps);
+    virtual void touchEvent(int type, int x, int y);
     virtual void setTrainerTimeout(uint16_t ms);
     virtual void sendTelemetry(const QByteArray data);
     virtual void setLuaStateReloadPermanentScripts();