Phung Tung / GUI_746

a

F746_BUTTON.cpp@0:a7fb0dba4c8a, 2019-10-09 (annotated)

Committer:
fundokukiri
Date:
Wed Oct 09 12:55:47 2019 +0000
Revision:
0:a7fb0dba4c8a
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fundokukiri 0:a7fb0dba4c8a 1 //-----------------------------------------------------------
fundokukiri 0:a7fb0dba4c8a 2 //
fundokukiri 0:a7fb0dba4c8a 3 // F746_BUTTON class
fundokukiri 0:a7fb0dba4c8a 4 //
fundokukiri 0:a7fb0dba4c8a 5 //-----------------------------------------------------------
fundokukiri 0:a7fb0dba4c8a 6
fundokukiri 0:a7fb0dba4c8a 7 #include "F746_BUTTON.hpp"
fundokukiri 0:a7fb0dba4c8a 8
fundokukiri 0:a7fb0dba4c8a 9 // Draw button
fundokukiri 0:a7fb0dba4c8a 10 void Button::Render()
fundokukiri 0:a7fb0dba4c8a 11 {
fundokukiri 0:a7fb0dba4c8a 12 active_ = true;
fundokukiri 0:a7fb0dba4c8a 13
fundokukiri 0:a7fb0dba4c8a 14 switch(STYLE_)
fundokukiri 0:a7fb0dba4c8a 15 {
fundokukiri 0:a7fb0dba4c8a 16 case 1: // Style 1 - Normal button
fundokukiri 0:a7fb0dba4c8a 17 lcd_.SetTextColor(BUTTON_COLOUR_); // Set Textcolour to original
fundokukiri 0:a7fb0dba4c8a 18 lcd_.FillRect(ButtonX_, ButtonY_, ButtonW_, ButtonH_); // Draw button rectangle
fundokukiri 0:a7fb0dba4c8a 19 break;
fundokukiri 0:a7fb0dba4c8a 20
fundokukiri 0:a7fb0dba4c8a 21 case 2: // Style 2 - 3D button
fundokukiri 0:a7fb0dba4c8a 22 lcd_.SetTextColor(LCD_COLOR_DARKGRAY); // Set Textcolour to shadow colour
fundokukiri 0:a7fb0dba4c8a 23 lcd_.FillRect(ButtonX_+1, ButtonY_+2, (ButtonW_+3), ButtonH_+3);// Draw shadow
fundokukiri 0:a7fb0dba4c8a 24
fundokukiri 0:a7fb0dba4c8a 25 lcd_.SetTextColor(BUTTON_COLOUR_); // Set Textcolour to original
fundokukiri 0:a7fb0dba4c8a 26 lcd_.FillRect(ButtonX_, ButtonY_, ButtonW_, ButtonH_); // Draw button
fundokukiri 0:a7fb0dba4c8a 27 break;
fundokukiri 0:a7fb0dba4c8a 28 }
fundokukiri 0:a7fb0dba4c8a 29 if (LABEL_.length() != 0) // If the label is larger than 0
fundokukiri 0:a7fb0dba4c8a 30 {
fundokukiri 0:a7fb0dba4c8a 31 lcd_.SetFont(FONTS_);
fundokukiri 0:a7fb0dba4c8a 32 lcd_.SetBackColor(BUTTON_COLOUR_); // Set background colour
fundokukiri 0:a7fb0dba4c8a 33 lcd_.SetTextColor(LCD_COLOR_WHITE); // Set textcolour
fundokukiri 0:a7fb0dba4c8a 34
fundokukiri 0:a7fb0dba4c8a 35 uint16_t x0 = ButtonX_ + (ButtonW_ - FONT_WIDTH_*(LABEL_.length()))/2; // Calcukate x value for Button name
fundokukiri 0:a7fb0dba4c8a 36 uint16_t y0 = ButtonY_ + (ButtonH_ - FONT_HEIGHT_)/2 + 1; // Calcukate y value for Button name
fundokukiri 0:a7fb0dba4c8a 37 lcd_.DisplayStringAt(x0, y0, (uint8_t *)LABEL_.c_str(),
fundokukiri 0:a7fb0dba4c8a 38 LEFT_MODE); // Write button name
fundokukiri 0:a7fb0dba4c8a 39 lcd_.SetBackColor(LCD_COLOR_WHITE); // Set back colour
fundokukiri 0:a7fb0dba4c8a 40 }
fundokukiri 0:a7fb0dba4c8a 41 }
fundokukiri 0:a7fb0dba4c8a 42
fundokukiri 0:a7fb0dba4c8a 43
fundokukiri 0:a7fb0dba4c8a 44 void Button::Change() // Change colour of button when pressed
fundokukiri 0:a7fb0dba4c8a 45 {
fundokukiri 0:a7fb0dba4c8a 46 switch(STYLE_)
fundokukiri 0:a7fb0dba4c8a 47 {
fundokukiri 0:a7fb0dba4c8a 48 case 1: // Style 1 - Normal button
fundokukiri 0:a7fb0dba4c8a 49 lcd_.SetTextColor(CHANGE_COLOUR_); // Set Textcolour to the change colour
fundokukiri 0:a7fb0dba4c8a 50 lcd_.FillRect(ButtonX_, ButtonY_, ButtonW_, ButtonH_); // Draw button rectangle
fundokukiri 0:a7fb0dba4c8a 51 break;
fundokukiri 0:a7fb0dba4c8a 52
fundokukiri 0:a7fb0dba4c8a 53 case 2: // Style 2 - 3D button
fundokukiri 0:a7fb0dba4c8a 54 lcd_.SetTextColor(LCD_COLOR_WHITE); // Set Textcolour to background colour
fundokukiri 0:a7fb0dba4c8a 55 lcd_.FillRect(ButtonX_, ButtonY_, (ButtonW_+3), ButtonH_+3); // Clears background
fundokukiri 0:a7fb0dba4c8a 56
fundokukiri 0:a7fb0dba4c8a 57 lcd_.SetTextColor(LCD_COLOR_GRAY); // Set Textcolour to shadow colour
fundokukiri 0:a7fb0dba4c8a 58 lcd_.FillRect(ButtonX_+1, ButtonY_+2, (ButtonW_+3), ButtonH_+3);// Draws shadow
fundokukiri 0:a7fb0dba4c8a 59
fundokukiri 0:a7fb0dba4c8a 60 lcd_.SetTextColor(CHANGE_COLOUR_); // Indent button
fundokukiri 0:a7fb0dba4c8a 61 lcd_.FillRect((ButtonX_+6), (ButtonY_+6), (ButtonW_-3), (ButtonH_-2)); // Draw indented button
fundokukiri 0:a7fb0dba4c8a 62 break;
fundokukiri 0:a7fb0dba4c8a 63 }
fundokukiri 0:a7fb0dba4c8a 64
fundokukiri 0:a7fb0dba4c8a 65 if (LABEL_.length() != 0)
fundokukiri 0:a7fb0dba4c8a 66 {
fundokukiri 0:a7fb0dba4c8a 67 lcd_.SetFont(FONTS_);
fundokukiri 0:a7fb0dba4c8a 68 lcd_.SetBackColor(CHANGE_COLOUR_);
fundokukiri 0:a7fb0dba4c8a 69 lcd_.SetTextColor(LCD_COLOR_BLACK);
fundokukiri 0:a7fb0dba4c8a 70 uint16_t x0 = ButtonX_ + (ButtonW_ - FONT_WIDTH_*(LABEL_.length()))/2; // Calcukate x value for Button name
fundokukiri 0:a7fb0dba4c8a 71 uint16_t y0 = ButtonY_ + (ButtonH_ - FONT_HEIGHT_)/2 + 1; // Calcukate y value for Button name
fundokukiri 0:a7fb0dba4c8a 72 lcd_.DisplayStringAt(x0, y0, (uint8_t *)LABEL_.c_str(),
fundokukiri 0:a7fb0dba4c8a 73 LEFT_MODE); // Write button name
fundokukiri 0:a7fb0dba4c8a 74 lcd_.SetBackColor(LCD_COLOR_WHITE); // Set back colour
fundokukiri 0:a7fb0dba4c8a 75 }
fundokukiri 0:a7fb0dba4c8a 76 }
fundokukiri 0:a7fb0dba4c8a 77
fundokukiri 0:a7fb0dba4c8a 78
fundokukiri 0:a7fb0dba4c8a 79
fundokukiri 0:a7fb0dba4c8a 80 void Button::Hide() // Hide button
fundokukiri 0:a7fb0dba4c8a 81 {
fundokukiri 0:a7fb0dba4c8a 82 lcd_.SetTextColor(LCD_COLOR_WHITE); // Set textcolour to background colour
fundokukiri 0:a7fb0dba4c8a 83 lcd_.FillRect(ButtonX_, ButtonY_, ButtonW_, ButtonH_); // Draw rectangle in background colour
fundokukiri 0:a7fb0dba4c8a 84 active_ = false; // Set active boolean to false
fundokukiri 0:a7fb0dba4c8a 85 }
fundokukiri 0:a7fb0dba4c8a 86
fundokukiri 0:a7fb0dba4c8a 87
fundokukiri 0:a7fb0dba4c8a 88 bool Button::Press() // Check if touch detected
fundokukiri 0:a7fb0dba4c8a 89 {
fundokukiri 0:a7fb0dba4c8a 90 ts_.GetState(&state_);
fundokukiri 0:a7fb0dba4c8a 91 if (!state_.touchDetected) return false;
fundokukiri 0:a7fb0dba4c8a 92 if (!active_) return false;
fundokukiri 0:a7fb0dba4c8a 93 if (!ButtonBoundaryCheck()) return false;
fundokukiri 0:a7fb0dba4c8a 94 Change(); // Run the Change routine to change the colour of the button
fundokukiri 0:a7fb0dba4c8a 95 wait(0.2); // Wait to allow the colour change to be visible
fundokukiri 0:a7fb0dba4c8a 96 Render(); // Draw the original button
fundokukiri 0:a7fb0dba4c8a 97 return true;
fundokukiri 0:a7fb0dba4c8a 98 }
fundokukiri 0:a7fb0dba4c8a 99
fundokukiri 0:a7fb0dba4c8a 100 bool Button::ButtonBoundaryCheck() // Check if touch is within button boundaries
fundokukiri 0:a7fb0dba4c8a 101 {
fundokukiri 0:a7fb0dba4c8a 102 int nTouch = multiTouch ? state_.touchDetected : 1;
fundokukiri 0:a7fb0dba4c8a 103 for (int n=0; n<nTouch; n++)
fundokukiri 0:a7fb0dba4c8a 104 {
fundokukiri 0:a7fb0dba4c8a 105 uint16_t x = state_.touchX[n]; // Assign touch x pos to x
fundokukiri 0:a7fb0dba4c8a 106 uint16_t y = state_.touchY[n]; // Assign touch y pos to y
fundokukiri 0:a7fb0dba4c8a 107
fundokukiri 0:a7fb0dba4c8a 108 if ( (ButtonX_ <= x) && (x <= ButtonX_+ButtonW_) && // Check x value inside boundary
fundokukiri 0:a7fb0dba4c8a 109 (ButtonY_ <= y) && (y <= ButtonY_+ButtonH_) ) return true; // Check y value inside boundary
fundokukiri 0:a7fb0dba4c8a 110 }
fundokukiri 0:a7fb0dba4c8a 111 return false;
fundokukiri 0:a7fb0dba4c8a 112 }
fundokukiri 0:a7fb0dba4c8a 113
fundokukiri 0:a7fb0dba4c8a 114 TS_StateTypeDef Button::state_;
fundokukiri 0:a7fb0dba4c8a 115 bool Button::multiTouch = false;
fundokukiri 0:a7fb0dba4c8a 116