Diff: BUTTON_GROUP_F769NI/button.cpp

Revision:

3:35ac9ee7d2d6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BUTTON_GROUP_F769NI/button.cpp	Wed Aug 07 05:39:01 2019 +0000
@@ -0,0 +1,72 @@
+//-----------------------------------------------------------
+//  Button class handling multi-touch
+//      Multi-touch: Enabled (default)
+//
+//  2016/02/22, Copyright (c) 2016 MIKAMI, Naoki
+//-----------------------------------------------------------
+
+#include "button.hpp"
+
+namespace Mikami
+{
+    // Draw button
+    void Button::Draw(uint32_t color, uint32_t textColor)
+    {
+        lcd_.SetTextColor(color);
+        lcd_.FillRect(X_, Y_, W_, H_);
+
+        if (STR_.length() != 0)
+        {
+            lcd_.SetFont(FONTS_);
+            lcd_.SetBackColor(color);
+            lcd_.SetTextColor(textColor);
+
+            uint16_t x0 = X_ + (W_ - FONT_WIDTH_*(STR_.length()))/2;
+            uint16_t y0 = Y_ + (H_ - FONT_HEIGHT_)/2 + 1;
+            lcd_.DisplayStringAt(x0, y0, (uint8_t *)STR_.c_str(),
+                                 LEFT_MODE);
+            lcd_.SetBackColor(BACK_COLOR_); // recover back color
+        }            
+    }
+        
+    // Check touch detected
+    bool Button::Touched()
+    {
+        ts_.GetState(&state_);
+        if (!state_.touchDetected) return false;
+        return IsOnButton();
+    }
+        
+    // Check touch detected and redraw button
+    bool Button::Touched(uint32_t color, uint32_t textColor)
+    {
+        bool rtn = Touched();
+        if (rtn) Draw(color, textColor);
+        return rtn;
+    }
+    
+    // If panel touched, return true
+    bool Button::PanelTouched()
+    {
+        ts_.GetState(&state_);
+        return (bool)(state_.touchDetected);
+    }
+    
+    // If touched position is on the button, return true
+    bool Button::IsOnButton()
+    {
+        int nTouch = multiTouch ? state_.touchDetected : 1;
+        for (int n=0; n<nTouch; n++)
+        {
+            uint16_t x = state_.touchX[n];
+            uint16_t y = state_.touchY[n];
+
+            if ( (X_ <= x) && (x <= X_+W_) &&
+                 (Y_ <= y) && (y <= Y_+H_) ) return true;
+        }
+        return false;
+    }
+
+    TS_StateTypeDef Button::state_;
+    bool Button::multiTouch = true;
+}