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Dependencies:   Array_Matrix TS_DISCO_F746NG LCD_DISCO_F746NG BSP_DISCO_F746NG

SeekBar.cpp@28:e2b7ea78b7a0, 2017-01-25 (annotated)

Committer:
MikamiUitOpen
Date:
Wed Jan 25 13:56:02 2017 +0000
Revision:
28:e2b7ea78b7a0
Parent:
16:b2762ec08863 
22

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:a2686ef737c2 1 //-----------------------------------------------------------
MikamiUitOpen 0:a2686ef737c2 2 // SeekBar class
MikamiUitOpen 0:a2686ef737c2 3 //
MikamiUitOpen 28:e2b7ea78b7a0 4 // 2017/01/25, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:a2686ef737c2 5 //-----------------------------------------------------------
MikamiUitOpen 0:a2686ef737c2 6
MikamiUitOpen 0:a2686ef737c2 7 #include "SeekBar.hpp"
MikamiUitOpen 0:a2686ef737c2 8
MikamiUitOpen 0:a2686ef737c2 9 namespace Mikami
MikamiUitOpen 0:a2686ef737c2 10 {
MikamiUitOpen 6:b8f197b0012c 11 // Constructor with scale value (only horizontal)
MikamiUitOpen 6:b8f197b0012c 12 SeekBar::SeekBar(uint16_t x, uint16_t y, uint16_t length,
MikamiUitOpen 6:b8f197b0012c 13 float min, float max, float initialValue,
MikamiUitOpen 6:b8f197b0012c 14 string left, string center, string right,
MikamiUitOpen 6:b8f197b0012c 15 uint32_t thumbColor,
MikamiUitOpen 6:b8f197b0012c 16 uint16_t thumbSize, uint16_t width,
MikamiUitOpen 6:b8f197b0012c 17 uint32_t colorL, uint32_t colorH,
MikamiUitOpen 6:b8f197b0012c 18 uint32_t backColor)
MikamiUitOpen 6:b8f197b0012c 19 : GuiBase(x, y, Font12, GuiBase::ENUM_TEXT, backColor, thumbColor),
MikamiUitOpen 6:b8f197b0012c 20 L_(length), W_(width),
MikamiUitOpen 6:b8f197b0012c 21 SIZE_(thumbSize), COLOR_L_(colorL), COLOR_H_(colorH),
MikamiUitOpen 12:687ec6183385 22 MIN_(min), MAX_(max), ORIENT_(Holizontal), v_(initialValue),
MikamiUitOpen 12:687ec6183385 23 labelOn_(true), slided_(false), active_(true)
MikamiUitOpen 6:b8f197b0012c 24 {
MikamiUitOpen 6:b8f197b0012c 25 Draw(initialValue);
MikamiUitOpen 12:687ec6183385 26 uint16_t y0 = y - thumbSize/2 - 13;
MikamiUitOpen 15:0511a08a3c09 27 labelLCR_[0] = new Label(x, y0, left, Label::CENTER);
MikamiUitOpen 15:0511a08a3c09 28 labelLCR_[1] = new Label(x+length/2, y0, center, Label::CENTER);
MikamiUitOpen 15:0511a08a3c09 29 labelLCR_[2] = new Label(x+length, y0, right, Label::CENTER);
MikamiUitOpen 12:687ec6183385 30 }
MikamiUitOpen 12:687ec6183385 31
MikamiUitOpen 0:a2686ef737c2 32 // Slide thumb
MikamiUitOpen 0:a2686ef737c2 33 // If the thumb is not touched, return false
MikamiUitOpen 0:a2686ef737c2 34 bool SeekBar::Slide()
MikamiUitOpen 0:a2686ef737c2 35 {
MikamiUitOpen 5:9c3ea4d4bc6b 36 if (!active_) return false;
MikamiUitOpen 5:9c3ea4d4bc6b 37
MikamiUitOpen 0:a2686ef737c2 38 if (!PanelTouched())
MikamiUitOpen 0:a2686ef737c2 39 {
MikamiUitOpen 0:a2686ef737c2 40 if (slided_) Draw(v_);
MikamiUitOpen 0:a2686ef737c2 41 slided_ = false;
MikamiUitOpen 0:a2686ef737c2 42 return false;
MikamiUitOpen 0:a2686ef737c2 43 }
MikamiUitOpen 0:a2686ef737c2 44
MikamiUitOpen 0:a2686ef737c2 45 uint16_t x, y;
MikamiUitOpen 0:a2686ef737c2 46 bool rtn = IsOnThumb(x, y);
MikamiUitOpen 12:687ec6183385 47 if (rtn || slided_)
MikamiUitOpen 0:a2686ef737c2 48 {
MikamiUitOpen 12:687ec6183385 49 if (rtn) v_ = ToValue(Point(x, y));
MikamiUitOpen 12:687ec6183385 50 Draw(v_, rtn);
MikamiUitOpen 12:687ec6183385 51 slided_ = rtn;
MikamiUitOpen 0:a2686ef737c2 52 }
MikamiUitOpen 0:a2686ef737c2 53 return rtn;
MikamiUitOpen 0:a2686ef737c2 54 }
MikamiUitOpen 6:b8f197b0012c 55
MikamiUitOpen 5:9c3ea4d4bc6b 56 void SeekBar::Activate()
MikamiUitOpen 5:9c3ea4d4bc6b 57 {
MikamiUitOpen 5:9c3ea4d4bc6b 58 active_ = true;
MikamiUitOpen 5:9c3ea4d4bc6b 59 Draw(v_);
MikamiUitOpen 12:687ec6183385 60 if (labelOn_)
MikamiUitOpen 15:0511a08a3c09 61 for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_);
MikamiUitOpen 5:9c3ea4d4bc6b 62 }
MikamiUitOpen 6:b8f197b0012c 63
MikamiUitOpen 5:9c3ea4d4bc6b 64 void SeekBar::Inactivate()
MikamiUitOpen 5:9c3ea4d4bc6b 65 {
MikamiUitOpen 5:9c3ea4d4bc6b 66 active_ = false;
MikamiUitOpen 5:9c3ea4d4bc6b 67 Draw(v_);
MikamiUitOpen 12:687ec6183385 68 if (labelOn_)
MikamiUitOpen 15:0511a08a3c09 69 for (int n=0; n<3; n++) labelLCR_[n]->Draw(INACTIVE_TEXT_COLOR_);
MikamiUitOpen 5:9c3ea4d4bc6b 70 }
MikamiUitOpen 0:a2686ef737c2 71
MikamiUitOpen 9:c379410bda15 72 // If touched position is on the thumb, return true
MikamiUitOpen 9:c379410bda15 73 bool SeekBar::IsOnThumb(uint16_t &x, uint16_t &y)
MikamiUitOpen 9:c379410bda15 74 {
MikamiUitOpen 9:c379410bda15 75 x = state_.touchX[0];
MikamiUitOpen 9:c379410bda15 76 y = state_.touchY[0];
MikamiUitOpen 9:c379410bda15 77
MikamiUitOpen 12:687ec6183385 78 uint16_t th = SIZE_/2;
MikamiUitOpen 9:c379410bda15 79 Point pt = ToPoint(v_);
MikamiUitOpen 9:c379410bda15 80 if (ORIENT_ == Holizontal)
MikamiUitOpen 9:c379410bda15 81 {
MikamiUitOpen 12:687ec6183385 82 if ( (pt.x-th <= x) && (x <= pt.x+th) &&
MikamiUitOpen 12:687ec6183385 83 (pt.y-th <= y) && (y <= pt.y+th) ) return true;
MikamiUitOpen 9:c379410bda15 84 }
MikamiUitOpen 9:c379410bda15 85 else
MikamiUitOpen 9:c379410bda15 86 {
MikamiUitOpen 12:687ec6183385 87 if ( (pt.x-th <= x) && (x <= pt.x+th) &&
MikamiUitOpen 12:687ec6183385 88 (pt.y-th <= y) && (y <= pt.y+th) ) return true;
MikamiUitOpen 9:c379410bda15 89 }
MikamiUitOpen 9:c379410bda15 90
MikamiUitOpen 9:c379410bda15 91 return false;
MikamiUitOpen 9:c379410bda15 92 }
MikamiUitOpen 9:c379410bda15 93
MikamiUitOpen 0:a2686ef737c2 94 // Draw seekbar
MikamiUitOpen 0:a2686ef737c2 95 void SeekBar::Draw(float value, bool fill)
MikamiUitOpen 0:a2686ef737c2 96 {
MikamiUitOpen 10:5a2068884fd9 97 uint16_t sizeS = (uint16_t)(SIZE_*0.6f);
MikamiUitOpen 0:a2686ef737c2 98 // Erase previous seekbar
MikamiUitOpen 0:a2686ef737c2 99 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:a2686ef737c2 100 if (ORIENT_ == Holizontal)
MikamiUitOpen 10:5a2068884fd9 101 lcd_.FillRect(X_-sizeS/2, Y_-SIZE_/2, L_+sizeS+1, SIZE_+1);
MikamiUitOpen 0:a2686ef737c2 102 else
MikamiUitOpen 10:5a2068884fd9 103 lcd_.FillRect(X_-SIZE_/2, Y_-sizeS/2, SIZE_+1, L_+sizeS+1);
MikamiUitOpen 5:9c3ea4d4bc6b 104
MikamiUitOpen 9:c379410bda15 105 v_ = Saturate(value); // current value
MikamiUitOpen 9:c379410bda15 106 Point pt = ToPoint(v_); // Position of thumb
MikamiUitOpen 0:a2686ef737c2 107
MikamiUitOpen 0:a2686ef737c2 108 // Draw upper line
MikamiUitOpen 5:9c3ea4d4bc6b 109 if (active_) lcd_.SetTextColor(COLOR_H_);
MikamiUitOpen 5:9c3ea4d4bc6b 110 else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x404040);
MikamiUitOpen 12:687ec6183385 111 if ((ORIENT_ == Holizontal) && ((X_+L_-pt.x) > 0))
MikamiUitOpen 0:a2686ef737c2 112 lcd_.FillRect(pt.x, Y_-W_/4, X_+L_-pt.x, W_/2);
MikamiUitOpen 12:687ec6183385 113 if ((ORIENT_ == Vertical) && ((pt.y-Y_) > 0))
MikamiUitOpen 0:a2686ef737c2 114 lcd_.FillRect(X_-W_/4, Y_, W_/2, pt.y-Y_);
MikamiUitOpen 0:a2686ef737c2 115
MikamiUitOpen 0:a2686ef737c2 116 // Draw lower line
MikamiUitOpen 5:9c3ea4d4bc6b 117 if (active_) lcd_.SetTextColor(COLOR_L_);
MikamiUitOpen 5:9c3ea4d4bc6b 118 else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x202020);
MikamiUitOpen 0:a2686ef737c2 119 if ((ORIENT_ == Holizontal) && ((pt.x-X_) > 0))
MikamiUitOpen 0:a2686ef737c2 120 lcd_.FillRect(X_, Y_-W_/2, pt.x-X_, W_);
MikamiUitOpen 0:a2686ef737c2 121 if ((ORIENT_ == Vertical) && ((Y_+L_-pt.y) > 0))
MikamiUitOpen 0:a2686ef737c2 122 lcd_.FillRect(X_-W_/2, pt.y, W_, Y_+L_-pt.y);
MikamiUitOpen 0:a2686ef737c2 123
MikamiUitOpen 0:a2686ef737c2 124 // Draw thumb
MikamiUitOpen 5:9c3ea4d4bc6b 125 if (active_) lcd_.SetTextColor(CREATED_COLOR_);
MikamiUitOpen 5:9c3ea4d4bc6b 126 else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_);
MikamiUitOpen 10:5a2068884fd9 127 uint16_t width = SIZE_;
MikamiUitOpen 10:5a2068884fd9 128 uint16_t height = SIZE_;
MikamiUitOpen 10:5a2068884fd9 129 if (ORIENT_ == Holizontal) width = sizeS;
MikamiUitOpen 10:5a2068884fd9 130 else height = sizeS;
MikamiUitOpen 10:5a2068884fd9 131 uint16_t xPos = pt.x - width/2;
MikamiUitOpen 10:5a2068884fd9 132 uint16_t yPos = pt.y - height/2;
MikamiUitOpen 10:5a2068884fd9 133
MikamiUitOpen 0:a2686ef737c2 134 if (fill)
MikamiUitOpen 10:5a2068884fd9 135 lcd_.FillRect(xPos, yPos, width+1, height+1);
MikamiUitOpen 0:a2686ef737c2 136 else
MikamiUitOpen 10:5a2068884fd9 137 {
MikamiUitOpen 10:5a2068884fd9 138 lcd_.DrawRect(xPos, yPos, width, height);
MikamiUitOpen 10:5a2068884fd9 139 lcd_.DrawHLine(pt.x+width/2, pt.y+height/2, 1);
MikamiUitOpen 12:687ec6183385 140 lcd_.DrawRect(xPos+1, yPos+1, width-2, height-2);
MikamiUitOpen 12:687ec6183385 141 lcd_.DrawHLine(pt.x+width/2-1, pt.y+height/2-1, 1);
MikamiUitOpen 10:5a2068884fd9 142 if (ORIENT_ == Holizontal)
MikamiUitOpen 12:687ec6183385 143 lcd_.DrawVLine(pt.x, yPos+4, SIZE_-7);
MikamiUitOpen 10:5a2068884fd9 144 else
MikamiUitOpen 12:687ec6183385 145 lcd_.DrawHLine(xPos+4, pt.y, SIZE_-7);
MikamiUitOpen 10:5a2068884fd9 146 }
MikamiUitOpen 0:a2686ef737c2 147 }
MikamiUitOpen 0:a2686ef737c2 148
MikamiUitOpen 15:0511a08a3c09 149 void SeekBar::Redraw(bool fill)
MikamiUitOpen 15:0511a08a3c09 150 {
MikamiUitOpen 15:0511a08a3c09 151 Draw(GetValue(), fill);
MikamiUitOpen 15:0511a08a3c09 152 if (labelOn_)
MikamiUitOpen 15:0511a08a3c09 153 for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_);
MikamiUitOpen 15:0511a08a3c09 154 }
MikamiUitOpen 15:0511a08a3c09 155
MikamiUitOpen 0:a2686ef737c2 156 SeekBar::Point SeekBar::ToPoint(float value)
MikamiUitOpen 0:a2686ef737c2 157 {
MikamiUitOpen 0:a2686ef737c2 158 if (ORIENT_ == Holizontal)
MikamiUitOpen 10:5a2068884fd9 159 return Point(X_ + Round(L_*(value - MIN_)/(MAX_ - MIN_)), Y_);
MikamiUitOpen 0:a2686ef737c2 160 else
MikamiUitOpen 10:5a2068884fd9 161 return Point(X_, Y_ + L_ - Round(L_*(value - MIN_)/(MAX_ - MIN_)));
MikamiUitOpen 0:a2686ef737c2 162 }
MikamiUitOpen 0:a2686ef737c2 163
MikamiUitOpen 0:a2686ef737c2 164 float SeekBar::ToValue(Point pt)
MikamiUitOpen 0:a2686ef737c2 165 {
MikamiUitOpen 0:a2686ef737c2 166 float value;
MikamiUitOpen 0:a2686ef737c2 167 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 168 value = (pt.x - X_)*(MAX_ - MIN_)/(float)L_ + MIN_;
MikamiUitOpen 0:a2686ef737c2 169 else
MikamiUitOpen 0:a2686ef737c2 170 value = -(pt.y - Y_ - L_)*(MAX_ - MIN_)/(float)L_ + MIN_;
MikamiUitOpen 0:a2686ef737c2 171 return Saturate(value);
MikamiUitOpen 0:a2686ef737c2 172 }
MikamiUitOpen 0:a2686ef737c2 173
MikamiUitOpen 0:a2686ef737c2 174 float SeekBar::Saturate(float value)
MikamiUitOpen 0:a2686ef737c2 175 {
MikamiUitOpen 0:a2686ef737c2 176 if (value < MIN_) value = MIN_;
MikamiUitOpen 0:a2686ef737c2 177 if (value > MAX_) value = MAX_;
MikamiUitOpen 0:a2686ef737c2 178 return value;
MikamiUitOpen 0:a2686ef737c2 179 }
MikamiUitOpen 0:a2686ef737c2 180 }
MikamiUitOpen 16:b2762ec08863 181
MikamiUitOpen 28:e2b7ea78b7a0 182