Phung Tung
a
Diff: F746_SLIDER.cpp
- Revision:
- 0:a7fb0dba4c8a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/F746_SLIDER.cpp Wed Oct 09 12:55:47 2019 +0000
@@ -0,0 +1,137 @@
+//-----------------------------------------------------------
+//
+// F746_SLIDER class
+//
+//-----------------------------------------------------------
+
+#include "F746_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
+