Diff: Button.cpp

Revision:

0:a2686ef737c2

Child:

4:cbf7ed9092a3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Button.cpp	Thu Mar 31 07:28:42 2016 +0000
@@ -0,0 +1,66 @@
+//-----------------------------------------------------------
+//  Button class handling multi-touch
+//      Multi-touch: Enabled (default)
+//
+//  2016/03/29, Copyright (c) 2016 MIKAMI, Naoki
+//-----------------------------------------------------------
+
+#include "Button.hpp"
+
+namespace Mikami
+{
+    // Draw button
+    void Button::Draw(uint32_t color, uint32_t textColor)
+    {
+        if (!active_) return;
+        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_ - FONTS_->Width*(STR_.length()))/2;
+            uint16_t y0 = Y_ + (H_ - FONTS_->Height)/2 + 1;
+            DrawString(x0, y0, STR_);
+            lcd_.SetBackColor(BACK_COLOR_);  // recover back color
+        }            
+    }
+
+    // Check touch detected
+    bool Button::Touched()
+    {
+        if (!active_) return false;
+        if (!PanelTouched()) return false;
+        if (!IsOnButton()) return false;
+        Draw(TOUCHED_COLOR_, TEXT_COLOR_);
+        return true;
+    }
+
+    // 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;
+    }
+
+    void Button::Activate()
+    {
+        active_ = true;
+        Draw();
+    }
+
+    void Button::Inactivate()
+    {
+        Draw(INACTIVE_COLOR_, INACTIVE_TEXT_COLOR_);
+        active_ = false;
+    }
+}