boting ren / F746_GUI

GUI parts for DISCO-F746NG. GuiBase, Button, ButtonGroup, Label, BlinkLabel, NumericLabel, SeekBar, SeekbarGroup

Dependents:   F746_SD_GraphicEqualizer_ren0620

Fork of F746_GUI by 不韋 呂

SeekBar.cpp@0:a2686ef737c2, 2016-03-31 (annotated)

Committer:
MikamiUitOpen
Date:
Thu Mar 31 07:28:42 2016 +0000
Revision:
0:a2686ef737c2
Child:
5:9c3ea4d4bc6b
1

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 0:a2686ef737c2 4 // 2016/03/29, Copyright (c) 2016 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 0:a2686ef737c2 11 // Slide thumb
MikamiUitOpen 0:a2686ef737c2 12 // If the thumb is not touched, return false
MikamiUitOpen 0:a2686ef737c2 13 bool SeekBar::Slide()
MikamiUitOpen 0:a2686ef737c2 14 {
MikamiUitOpen 0:a2686ef737c2 15 if (!PanelTouched())
MikamiUitOpen 0:a2686ef737c2 16 {
MikamiUitOpen 0:a2686ef737c2 17 if (slided_) Draw(v_);
MikamiUitOpen 0:a2686ef737c2 18 slided_ = false;
MikamiUitOpen 0:a2686ef737c2 19 return false;
MikamiUitOpen 0:a2686ef737c2 20 }
MikamiUitOpen 0:a2686ef737c2 21
MikamiUitOpen 0:a2686ef737c2 22 uint16_t x, y;
MikamiUitOpen 0:a2686ef737c2 23 bool rtn = IsOnThumb(x, y);
MikamiUitOpen 0:a2686ef737c2 24 if (rtn)
MikamiUitOpen 0:a2686ef737c2 25 {
MikamiUitOpen 0:a2686ef737c2 26 v_ = ToValue(Point(x, y));
MikamiUitOpen 0:a2686ef737c2 27 Draw(v_, true);
MikamiUitOpen 0:a2686ef737c2 28 slided_ = true;
MikamiUitOpen 0:a2686ef737c2 29 }
MikamiUitOpen 0:a2686ef737c2 30
MikamiUitOpen 0:a2686ef737c2 31 return rtn;
MikamiUitOpen 0:a2686ef737c2 32 }
MikamiUitOpen 0:a2686ef737c2 33
MikamiUitOpen 0:a2686ef737c2 34 // Draw seekbar
MikamiUitOpen 0:a2686ef737c2 35 void SeekBar::Draw(float value, bool fill)
MikamiUitOpen 0:a2686ef737c2 36 {
MikamiUitOpen 0:a2686ef737c2 37 // Erase previous seekbar
MikamiUitOpen 0:a2686ef737c2 38 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:a2686ef737c2 39 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 40 lcd_.FillRect(X_-SIZE_/2, Y_-SIZE_/2, L_+SIZE_+1, SIZE_+1);
MikamiUitOpen 0:a2686ef737c2 41 else
MikamiUitOpen 0:a2686ef737c2 42 lcd_.FillRect(X_-SIZE_/2, Y_-SIZE_/2, SIZE_+1, L_+SIZE_+1);
MikamiUitOpen 0:a2686ef737c2 43
MikamiUitOpen 0:a2686ef737c2 44 Point pt = ToPoint(Saturate(value)); // Position of thumb
MikamiUitOpen 0:a2686ef737c2 45
MikamiUitOpen 0:a2686ef737c2 46 // Draw upper line
MikamiUitOpen 0:a2686ef737c2 47 lcd_.SetTextColor(COLOR_H_);
MikamiUitOpen 0:a2686ef737c2 48 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 49 lcd_.FillRect(pt.x, Y_-W_/4, X_+L_-pt.x, W_/2);
MikamiUitOpen 0:a2686ef737c2 50 else
MikamiUitOpen 0:a2686ef737c2 51 lcd_.FillRect(X_-W_/4, Y_, W_/2, pt.y-Y_);
MikamiUitOpen 0:a2686ef737c2 52
MikamiUitOpen 0:a2686ef737c2 53 // Draw lower line
MikamiUitOpen 0:a2686ef737c2 54 lcd_.SetTextColor(COLOR_L_);
MikamiUitOpen 0:a2686ef737c2 55 if ((ORIENT_ == Holizontal) && ((pt.x-X_) > 0))
MikamiUitOpen 0:a2686ef737c2 56 lcd_.FillRect(X_, Y_-W_/2, pt.x-X_, W_);
MikamiUitOpen 0:a2686ef737c2 57 if ((ORIENT_ == Vertical) && ((Y_+L_-pt.y) > 0))
MikamiUitOpen 0:a2686ef737c2 58 lcd_.FillRect(X_-W_/2, pt.y, W_, Y_+L_-pt.y);
MikamiUitOpen 0:a2686ef737c2 59
MikamiUitOpen 0:a2686ef737c2 60 // Draw thumb
MikamiUitOpen 0:a2686ef737c2 61 lcd_.SetTextColor(CREATED_COLOR_);
MikamiUitOpen 0:a2686ef737c2 62 if (fill)
MikamiUitOpen 0:a2686ef737c2 63 lcd_.FillCircle(pt.x, pt.y, SIZE_/2);
MikamiUitOpen 0:a2686ef737c2 64 else
MikamiUitOpen 0:a2686ef737c2 65 lcd_.DrawCircle(pt.x, pt.y, SIZE_/2);
MikamiUitOpen 0:a2686ef737c2 66 }
MikamiUitOpen 0:a2686ef737c2 67
MikamiUitOpen 0:a2686ef737c2 68 // If touched position is on the button, return true
MikamiUitOpen 0:a2686ef737c2 69 bool SeekBar::IsOnThumb(uint16_t &x, uint16_t &y)
MikamiUitOpen 0:a2686ef737c2 70 {
MikamiUitOpen 0:a2686ef737c2 71 x = state_.touchX[0];
MikamiUitOpen 0:a2686ef737c2 72 y = state_.touchY[0];
MikamiUitOpen 0:a2686ef737c2 73
MikamiUitOpen 0:a2686ef737c2 74 Point pt = ToPoint(v_);
MikamiUitOpen 0:a2686ef737c2 75 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 76 {
MikamiUitOpen 0:a2686ef737c2 77 if ( (pt.x-SIZE_/5 <= x) && (x <= pt.x+SIZE_/5) &&
MikamiUitOpen 0:a2686ef737c2 78 (pt.y-SIZE_ <= y) && (y <= pt.y+SIZE_) ) return true;
MikamiUitOpen 0:a2686ef737c2 79 }
MikamiUitOpen 0:a2686ef737c2 80 else
MikamiUitOpen 0:a2686ef737c2 81 {
MikamiUitOpen 0:a2686ef737c2 82 if ( (pt.x-SIZE_ <= x) && (x <= pt.x+SIZE_) &&
MikamiUitOpen 0:a2686ef737c2 83 (pt.y-SIZE_/5 <= y) && (y <= pt.y+SIZE_/5) ) return true;
MikamiUitOpen 0:a2686ef737c2 84 }
MikamiUitOpen 0:a2686ef737c2 85
MikamiUitOpen 0:a2686ef737c2 86 return false;
MikamiUitOpen 0:a2686ef737c2 87 }
MikamiUitOpen 0:a2686ef737c2 88
MikamiUitOpen 0:a2686ef737c2 89 SeekBar::Point SeekBar::ToPoint(float value)
MikamiUitOpen 0:a2686ef737c2 90 {
MikamiUitOpen 0:a2686ef737c2 91 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 92 return Point(X_ + L_*(value - MIN_)/(MAX_ - MIN_), Y_);
MikamiUitOpen 0:a2686ef737c2 93 else
MikamiUitOpen 0:a2686ef737c2 94 return Point(X_, Y_ + L_ - L_*(value - MIN_)/(MAX_ - MIN_));
MikamiUitOpen 0:a2686ef737c2 95 }
MikamiUitOpen 0:a2686ef737c2 96
MikamiUitOpen 0:a2686ef737c2 97 float SeekBar::ToValue(Point pt)
MikamiUitOpen 0:a2686ef737c2 98 {
MikamiUitOpen 0:a2686ef737c2 99 float value;
MikamiUitOpen 0:a2686ef737c2 100 if (ORIENT_ == Holizontal)
MikamiUitOpen 0:a2686ef737c2 101 value = (pt.x - X_)*(MAX_ - MIN_)/(float)L_ + MIN_;
MikamiUitOpen 0:a2686ef737c2 102 else
MikamiUitOpen 0:a2686ef737c2 103 value = -(pt.y - Y_ - L_)*(MAX_ - MIN_)/(float)L_ + MIN_;
MikamiUitOpen 0:a2686ef737c2 104 return Saturate(value);
MikamiUitOpen 0:a2686ef737c2 105 }
MikamiUitOpen 0:a2686ef737c2 106
MikamiUitOpen 0:a2686ef737c2 107 float SeekBar::Saturate(float value)
MikamiUitOpen 0:a2686ef737c2 108 {
MikamiUitOpen 0:a2686ef737c2 109 if (value < MIN_) value = MIN_;
MikamiUitOpen 0:a2686ef737c2 110 if (value > MAX_) value = MAX_;
MikamiUitOpen 0:a2686ef737c2 111 return value;
MikamiUitOpen 0:a2686ef737c2 112 }
MikamiUitOpen 0:a2686ef737c2 113 }