Diff: F469GUI/F469_SLIDER.cpp

Revision:

0:ebf3f36f3a64

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/F469GUI/F469_SLIDER.cpp	Tue Sep 25 12:38:48 2018 +0000
@@ -0,0 +1,137 @@
+//-----------------------------------------------------------
+//
+//  F469_SLIDER class
+//
+//-----------------------------------------------------------
+
+#include "F469_SLIDER.hpp"
+
+extern uint16_t SliderDisplayValue_;
+
+// Draw Slider
+void Slider::Render()
+    {
+        active_ = true;
+        char min_[3];               //string Slider minimum;
+        char max_[3];               //string Slider maximum;
+        
+        switch(STYLE_)
+            {
+                case 1:                                     // Style 1 - Normal Slider         
+                    lcd_.SetTextColor(SLIDER_COLOUR_);                  // Slider rectangle
+                    lcd_.FillRect(SliderX_, SliderY_, SliderW_, 40);
+                    lcd_.SetTextColor(LCD_COLOR_GRAY);                  // Slider Control rectangle
+                    uint16_t xC = (SliderW_/(Max_-Min_)* valueControl_);          // Calculate initial value of Slider control
+                    lcd_.FillRect(SliderX_+xC-20, SliderY_, 40, 40);
+                    break;
+        
+                case 2:                                     // Style 2 - 3D Slider
+                    lcd_.SetTextColor(LCD_COLOR_DARKGRAY);  // Set Textcolour to shadow colour
+                    lcd_.FillRect(SliderX_+2, SliderY_+2, SliderW_+3, 40+3);    // Draws shadow                
+                    lcd_.SetTextColor(SLIDER_COLOUR_);                          // Slider rectangle
+                    lcd_.FillRect(SliderX_, SliderY_, SliderW_, 40);
+                    lcd_.SetTextColor(LCD_COLOR_GRAY);                          // Slider Control rectangle
+                    xC = (SliderW_/(Max_-Min_)* valueControl_);                           // Calculate initial value of Slider control
+                    lcd_.FillRect(SliderX_+xC-20, SliderY_, 40, 40);
+                    break; 
+            }          
+     
+        if (LABEL_.length() != 0)
+            {
+                lcd_.SetFont(FONTS_);
+                lcd_.SetBackColor(LCD_COLOR_WHITE);
+                lcd_.SetTextColor(LCD_COLOR_BLACK);
+                        
+                sprintf(min_, "%2d", (int) Min_);           // Convert minimum value to string
+                lcd_.DisplayStringAt(SliderX_, SliderY_+50, (uint8_t *)min_, LEFT_MODE);  // Display Slider minimum value
+
+                sprintf(max_, "%2d", (int) Max_);           // Convert maximum value to string
+                lcd_.DisplayStringAt((SliderX_+SliderW_-40), (SliderY_+50), (uint8_t *)max_, LEFT_MODE);  // Display Slider minimum value                        
+
+                uint16_t x0 = SliderX_ + (SliderW_ - FONT_WIDTH_*(LABEL_.length()))/2;      // Calcukate middle x value for Slider name
+                uint16_t y0 = SliderY_ + (SliderH_ - FONT_HEIGHT_)/2 + 1;                   // Calcukate y value for Slider name
+                lcd_.DisplayStringAt(x0, y0-50, (uint8_t *)LABEL_.c_str(),    
+                                 LEFT_MODE);                                        // Write Slider name
+            }        
+    }
+    
+        
+// Service Slider
+void Slider::Service()
+    {  
+        uint16_t xC_;           // X value of Control rectangle
+        uint16_t valueControl_; // Value of Slider control to display
+        
+        switch(STYLE_)
+            {
+                case 1:                                     // Style 1 - Normal button 
+                lcd_.SetTextColor(SLIDER_COLOUR_);          // Draw Slider rectangle
+                lcd_.FillRect(SliderX_, SliderY_, SliderW_, 40);
+                break;
+        
+                case 2:                                                     // Style 2 - 3D button
+                    lcd_.SetTextColor(LCD_COLOR_DARKGRAY);                  // Set Textcolour to shadow colour
+                    lcd_.FillRect(SliderX_+2, SliderY_+2, SliderW_+3, 40+3);// Draws shadow                
+                    lcd_.SetTextColor(SLIDER_COLOUR_);                      // Slider rectangle
+                    lcd_.FillRect(SliderX_, SliderY_, SliderW_, 40);
+                    lcd_.SetTextColor(LCD_COLOR_GRAY);                      // Slider Control rectangle
+                    break; 
+            }
+
+        uint16_t newX = state_.touchX[0];                       // Find new x value of touch
+             
+        if ((newX >= SliderX_) and (newX <= SliderX_+ 40))      // if touch at beginning of Slider
+            {
+                    {   xC_ = SliderX_;   }                     // Sets x value of Slider control to left x value defined for slider rectangle
+            }
+                            
+        else if ((newX >= SliderX_+SliderW_-40) and (newX <= SliderX_+ SliderW_))   // if touch at the end of Slider
+            {
+                xC_ = SliderX_+SliderW_-40;                     // Sets x value of Slider control to right x value defined for slider rectangle - width of slider control
+            }
+                            
+        else xC_ = newX - 20;                       // if touch inside Slider    
+                       
+        lcd_.SetTextColor(LCD_COLOR_YELLOW);        // Colour to change the control of the Slider when touched    
+        lcd_.FillRect(xC_, SliderY_, 40, 40);
+                        
+        valueControl_ = (newX - SliderX_) * (Max_ - Min_) / SliderW_ + Min_;      // Value to display of the control of the Slider
+        if (valueControl_== (Min_+1))valueControl_= Min_;               // Set value value to display to minimum
+        if (valueControl_== (Max_-1))valueControl_= Max_;               // Set value value to display to maximum                                              
+                        
+                        
+        lcd_.SetTextColor(LCD_COLOR_BLACK);    
+        SliderDisplayValue_ = valueControl_;
+        lcd_.SetTextColor(LCD_COLOR_YELLOW);       
+    } 
+
+
+        
+bool Slider::Moved()          // Check touch detected
+    {
+        ts_.GetState(&state_);  // Get state of touch
+        if (!state_.touchDetected) return false;
+        if (!active_) return false;
+        if (!SliderBoundaryCheck()) return false;
+        Service();              // Run Service routine
+        return SliderBoundaryCheck();
+    }
+ 
+
+bool Slider::SliderBoundaryCheck()       // Check if touch is within Slider boundaries
+    {
+        int nTouch = multiTouch ? state_.touchDetected : 1;
+        for (int n=0; n<nTouch; n++)
+        {
+            uint16_t x = state_.touchX[n];                  // Find x value of touch
+            uint16_t y = state_.touchY[n];                  // Find y value of touch
+
+            if ( (SliderX_ <= x) && (x <= SliderX_+SliderW_) &&               
+                 (SliderY_ <= y) && (y <= SliderY_+SliderH_) ) return true;   // Check if touch is within Slider defined values
+        }
+        return false;
+    }
+ 
+TS_StateTypeDef Slider::state_;
+bool Slider::multiTouch = false;    // Disable multitouch for Slider
+