SPKT
SeekBar.cpp@0:4e245f4bc8ac, 2019-06-07 (annotated)
- Committer:
- phungductung
- Date:
- Fri Jun 07 05:06:42 2019 +0000
- Revision:
- 0:4e245f4bc8ac
spkt
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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phungductung | 0:4e245f4bc8ac | 1 | //----------------------------------------------------------- |
phungductung | 0:4e245f4bc8ac | 2 | // SeekBar class |
phungductung | 0:4e245f4bc8ac | 3 | // |
phungductung | 0:4e245f4bc8ac | 4 | // 2017/01/25, Copyright (c) 2017 MIKAMI, Naoki |
phungductung | 0:4e245f4bc8ac | 5 | //----------------------------------------------------------- |
phungductung | 0:4e245f4bc8ac | 6 | |
phungductung | 0:4e245f4bc8ac | 7 | #include "SeekBar.hpp" |
phungductung | 0:4e245f4bc8ac | 8 | |
phungductung | 0:4e245f4bc8ac | 9 | namespace Mikami |
phungductung | 0:4e245f4bc8ac | 10 | { |
phungductung | 0:4e245f4bc8ac | 11 | // Constructor with scale value (only horizontal) |
phungductung | 0:4e245f4bc8ac | 12 | SeekBar::SeekBar(uint16_t x, uint16_t y, uint16_t length, |
phungductung | 0:4e245f4bc8ac | 13 | float min, float max, float initialValue, |
phungductung | 0:4e245f4bc8ac | 14 | string left, string center, string right, |
phungductung | 0:4e245f4bc8ac | 15 | uint32_t thumbColor, |
phungductung | 0:4e245f4bc8ac | 16 | uint16_t thumbSize, uint16_t width, |
phungductung | 0:4e245f4bc8ac | 17 | uint32_t colorL, uint32_t colorH, |
phungductung | 0:4e245f4bc8ac | 18 | uint32_t backColor) |
phungductung | 0:4e245f4bc8ac | 19 | : GuiBase(x, y, Font12, GuiBase::ENUM_TEXT, backColor, thumbColor), |
phungductung | 0:4e245f4bc8ac | 20 | L_(length), W_(width), |
phungductung | 0:4e245f4bc8ac | 21 | SIZE_(thumbSize), COLOR_L_(colorL), COLOR_H_(colorH), |
phungductung | 0:4e245f4bc8ac | 22 | MIN_(min), MAX_(max), ORIENT_(Holizontal), v_(initialValue), |
phungductung | 0:4e245f4bc8ac | 23 | labelOn_(true), slided_(false), active_(true) |
phungductung | 0:4e245f4bc8ac | 24 | { |
phungductung | 0:4e245f4bc8ac | 25 | Draw(initialValue); |
phungductung | 0:4e245f4bc8ac | 26 | uint16_t y0 = y - thumbSize/2 - 13; |
phungductung | 0:4e245f4bc8ac | 27 | labelLCR_[0] = new Label(x, y0, left, Label::CENTER); |
phungductung | 0:4e245f4bc8ac | 28 | labelLCR_[1] = new Label(x+length/2, y0, center, Label::CENTER); |
phungductung | 0:4e245f4bc8ac | 29 | labelLCR_[2] = new Label(x+length, y0, right, Label::CENTER); |
phungductung | 0:4e245f4bc8ac | 30 | } |
phungductung | 0:4e245f4bc8ac | 31 | |
phungductung | 0:4e245f4bc8ac | 32 | // Slide thumb |
phungductung | 0:4e245f4bc8ac | 33 | // If the thumb is not touched, return false |
phungductung | 0:4e245f4bc8ac | 34 | bool SeekBar::Slide() |
phungductung | 0:4e245f4bc8ac | 35 | { |
phungductung | 0:4e245f4bc8ac | 36 | if (!active_) return false; |
phungductung | 0:4e245f4bc8ac | 37 | |
phungductung | 0:4e245f4bc8ac | 38 | if (!PanelTouched()) |
phungductung | 0:4e245f4bc8ac | 39 | { |
phungductung | 0:4e245f4bc8ac | 40 | if (slided_) Draw(v_); |
phungductung | 0:4e245f4bc8ac | 41 | slided_ = false; |
phungductung | 0:4e245f4bc8ac | 42 | return false; |
phungductung | 0:4e245f4bc8ac | 43 | } |
phungductung | 0:4e245f4bc8ac | 44 | |
phungductung | 0:4e245f4bc8ac | 45 | uint16_t x, y; |
phungductung | 0:4e245f4bc8ac | 46 | bool rtn = IsOnThumb(x, y); |
phungductung | 0:4e245f4bc8ac | 47 | if (rtn || slided_) |
phungductung | 0:4e245f4bc8ac | 48 | { |
phungductung | 0:4e245f4bc8ac | 49 | if (rtn) v_ = ToValue(Point(x, y)); |
phungductung | 0:4e245f4bc8ac | 50 | Draw(v_, rtn); |
phungductung | 0:4e245f4bc8ac | 51 | slided_ = rtn; |
phungductung | 0:4e245f4bc8ac | 52 | } |
phungductung | 0:4e245f4bc8ac | 53 | return rtn; |
phungductung | 0:4e245f4bc8ac | 54 | } |
phungductung | 0:4e245f4bc8ac | 55 | |
phungductung | 0:4e245f4bc8ac | 56 | void SeekBar::Activate() |
phungductung | 0:4e245f4bc8ac | 57 | { |
phungductung | 0:4e245f4bc8ac | 58 | active_ = true; |
phungductung | 0:4e245f4bc8ac | 59 | Draw(v_); |
phungductung | 0:4e245f4bc8ac | 60 | if (labelOn_) |
phungductung | 0:4e245f4bc8ac | 61 | for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_); |
phungductung | 0:4e245f4bc8ac | 62 | } |
phungductung | 0:4e245f4bc8ac | 63 | |
phungductung | 0:4e245f4bc8ac | 64 | void SeekBar::Inactivate() |
phungductung | 0:4e245f4bc8ac | 65 | { |
phungductung | 0:4e245f4bc8ac | 66 | active_ = false; |
phungductung | 0:4e245f4bc8ac | 67 | Draw(v_); |
phungductung | 0:4e245f4bc8ac | 68 | if (labelOn_) |
phungductung | 0:4e245f4bc8ac | 69 | for (int n=0; n<3; n++) labelLCR_[n]->Draw(INACTIVE_TEXT_COLOR_); |
phungductung | 0:4e245f4bc8ac | 70 | } |
phungductung | 0:4e245f4bc8ac | 71 | |
phungductung | 0:4e245f4bc8ac | 72 | // If touched position is on the thumb, return true |
phungductung | 0:4e245f4bc8ac | 73 | bool SeekBar::IsOnThumb(uint16_t &x, uint16_t &y) |
phungductung | 0:4e245f4bc8ac | 74 | { |
phungductung | 0:4e245f4bc8ac | 75 | x = state_.touchX[0]; |
phungductung | 0:4e245f4bc8ac | 76 | y = state_.touchY[0]; |
phungductung | 0:4e245f4bc8ac | 77 | |
phungductung | 0:4e245f4bc8ac | 78 | uint16_t th = SIZE_/2; |
phungductung | 0:4e245f4bc8ac | 79 | Point pt = ToPoint(v_); |
phungductung | 0:4e245f4bc8ac | 80 | if (ORIENT_ == Holizontal) |
phungductung | 0:4e245f4bc8ac | 81 | { |
phungductung | 0:4e245f4bc8ac | 82 | if ( (pt.x-th <= x) && (x <= pt.x+th) && |
phungductung | 0:4e245f4bc8ac | 83 | (pt.y-th <= y) && (y <= pt.y+th) ) return true; |
phungductung | 0:4e245f4bc8ac | 84 | } |
phungductung | 0:4e245f4bc8ac | 85 | else |
phungductung | 0:4e245f4bc8ac | 86 | { |
phungductung | 0:4e245f4bc8ac | 87 | if ( (pt.x-th <= x) && (x <= pt.x+th) && |
phungductung | 0:4e245f4bc8ac | 88 | (pt.y-th <= y) && (y <= pt.y+th) ) return true; |
phungductung | 0:4e245f4bc8ac | 89 | } |
phungductung | 0:4e245f4bc8ac | 90 | |
phungductung | 0:4e245f4bc8ac | 91 | return false; |
phungductung | 0:4e245f4bc8ac | 92 | } |
phungductung | 0:4e245f4bc8ac | 93 | |
phungductung | 0:4e245f4bc8ac | 94 | // Draw seekbar |
phungductung | 0:4e245f4bc8ac | 95 | void SeekBar::Draw(float value, bool fill) |
phungductung | 0:4e245f4bc8ac | 96 | { |
phungductung | 0:4e245f4bc8ac | 97 | uint16_t sizeS = (uint16_t)(SIZE_*0.6f); |
phungductung | 0:4e245f4bc8ac | 98 | // Erase previous seekbar |
phungductung | 0:4e245f4bc8ac | 99 | lcd_.SetTextColor(BACK_COLOR_); |
phungductung | 0:4e245f4bc8ac | 100 | if (ORIENT_ == Holizontal) |
phungductung | 0:4e245f4bc8ac | 101 | lcd_.FillRect(X_-sizeS/2, Y_-SIZE_/2, L_+sizeS+1, SIZE_+1); |
phungductung | 0:4e245f4bc8ac | 102 | else |
phungductung | 0:4e245f4bc8ac | 103 | lcd_.FillRect(X_-SIZE_/2, Y_-sizeS/2, SIZE_+1, L_+sizeS+1); |
phungductung | 0:4e245f4bc8ac | 104 | |
phungductung | 0:4e245f4bc8ac | 105 | v_ = Saturate(value); // current value |
phungductung | 0:4e245f4bc8ac | 106 | Point pt = ToPoint(v_); // Position of thumb |
phungductung | 0:4e245f4bc8ac | 107 | |
phungductung | 0:4e245f4bc8ac | 108 | // Draw upper line |
phungductung | 0:4e245f4bc8ac | 109 | if (active_) lcd_.SetTextColor(COLOR_H_); |
phungductung | 0:4e245f4bc8ac | 110 | else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x404040); |
phungductung | 0:4e245f4bc8ac | 111 | if ((ORIENT_ == Holizontal) && ((X_+L_-pt.x) > 0)) |
phungductung | 0:4e245f4bc8ac | 112 | lcd_.FillRect(pt.x, Y_-W_/4, X_+L_-pt.x, W_/2); |
phungductung | 0:4e245f4bc8ac | 113 | if ((ORIENT_ == Vertical) && ((pt.y-Y_) > 0)) |
phungductung | 0:4e245f4bc8ac | 114 | lcd_.FillRect(X_-W_/4, Y_, W_/2, pt.y-Y_); |
phungductung | 0:4e245f4bc8ac | 115 | |
phungductung | 0:4e245f4bc8ac | 116 | // Draw lower line |
phungductung | 0:4e245f4bc8ac | 117 | if (active_) lcd_.SetTextColor(COLOR_L_); |
phungductung | 0:4e245f4bc8ac | 118 | else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x202020); |
phungductung | 0:4e245f4bc8ac | 119 | if ((ORIENT_ == Holizontal) && ((pt.x-X_) > 0)) |
phungductung | 0:4e245f4bc8ac | 120 | lcd_.FillRect(X_, Y_-W_/2, pt.x-X_, W_); |
phungductung | 0:4e245f4bc8ac | 121 | if ((ORIENT_ == Vertical) && ((Y_+L_-pt.y) > 0)) |
phungductung | 0:4e245f4bc8ac | 122 | lcd_.FillRect(X_-W_/2, pt.y, W_, Y_+L_-pt.y); |
phungductung | 0:4e245f4bc8ac | 123 | |
phungductung | 0:4e245f4bc8ac | 124 | // Draw thumb |
phungductung | 0:4e245f4bc8ac | 125 | if (active_) lcd_.SetTextColor(CREATED_COLOR_); |
phungductung | 0:4e245f4bc8ac | 126 | else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_); |
phungductung | 0:4e245f4bc8ac | 127 | uint16_t width = SIZE_; |
phungductung | 0:4e245f4bc8ac | 128 | uint16_t height = SIZE_; |
phungductung | 0:4e245f4bc8ac | 129 | if (ORIENT_ == Holizontal) width = sizeS; |
phungductung | 0:4e245f4bc8ac | 130 | else height = sizeS; |
phungductung | 0:4e245f4bc8ac | 131 | uint16_t xPos = pt.x - width/2; |
phungductung | 0:4e245f4bc8ac | 132 | uint16_t yPos = pt.y - height/2; |
phungductung | 0:4e245f4bc8ac | 133 | |
phungductung | 0:4e245f4bc8ac | 134 | if (fill) |
phungductung | 0:4e245f4bc8ac | 135 | lcd_.FillRect(xPos, yPos, width+1, height+1); |
phungductung | 0:4e245f4bc8ac | 136 | else |
phungductung | 0:4e245f4bc8ac | 137 | { |
phungductung | 0:4e245f4bc8ac | 138 | lcd_.DrawRect(xPos, yPos, width, height); |
phungductung | 0:4e245f4bc8ac | 139 | lcd_.DrawHLine(pt.x+width/2, pt.y+height/2, 1); |
phungductung | 0:4e245f4bc8ac | 140 | lcd_.DrawRect(xPos+1, yPos+1, width-2, height-2); |
phungductung | 0:4e245f4bc8ac | 141 | lcd_.DrawHLine(pt.x+width/2-1, pt.y+height/2-1, 1); |
phungductung | 0:4e245f4bc8ac | 142 | if (ORIENT_ == Holizontal) |
phungductung | 0:4e245f4bc8ac | 143 | lcd_.DrawVLine(pt.x, yPos+4, SIZE_-7); |
phungductung | 0:4e245f4bc8ac | 144 | else |
phungductung | 0:4e245f4bc8ac | 145 | lcd_.DrawHLine(xPos+4, pt.y, SIZE_-7); |
phungductung | 0:4e245f4bc8ac | 146 | } |
phungductung | 0:4e245f4bc8ac | 147 | } |
phungductung | 0:4e245f4bc8ac | 148 | |
phungductung | 0:4e245f4bc8ac | 149 | void SeekBar::Redraw(bool fill) |
phungductung | 0:4e245f4bc8ac | 150 | { |
phungductung | 0:4e245f4bc8ac | 151 | Draw(GetValue(), fill); |
phungductung | 0:4e245f4bc8ac | 152 | if (labelOn_) |
phungductung | 0:4e245f4bc8ac | 153 | for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_); |
phungductung | 0:4e245f4bc8ac | 154 | } |
phungductung | 0:4e245f4bc8ac | 155 | |
phungductung | 0:4e245f4bc8ac | 156 | SeekBar::Point SeekBar::ToPoint(float value) |
phungductung | 0:4e245f4bc8ac | 157 | { |
phungductung | 0:4e245f4bc8ac | 158 | if (ORIENT_ == Holizontal) |
phungductung | 0:4e245f4bc8ac | 159 | return Point(X_ + Round(L_*(value - MIN_)/(MAX_ - MIN_)), Y_); |
phungductung | 0:4e245f4bc8ac | 160 | else |
phungductung | 0:4e245f4bc8ac | 161 | return Point(X_, Y_ + L_ - Round(L_*(value - MIN_)/(MAX_ - MIN_))); |
phungductung | 0:4e245f4bc8ac | 162 | } |
phungductung | 0:4e245f4bc8ac | 163 | |
phungductung | 0:4e245f4bc8ac | 164 | float SeekBar::ToValue(Point pt) |
phungductung | 0:4e245f4bc8ac | 165 | { |
phungductung | 0:4e245f4bc8ac | 166 | float value; |
phungductung | 0:4e245f4bc8ac | 167 | if (ORIENT_ == Holizontal) |
phungductung | 0:4e245f4bc8ac | 168 | value = (pt.x - X_)*(MAX_ - MIN_)/(float)L_ + MIN_; |
phungductung | 0:4e245f4bc8ac | 169 | else |
phungductung | 0:4e245f4bc8ac | 170 | value = -(pt.y - Y_ - L_)*(MAX_ - MIN_)/(float)L_ + MIN_; |
phungductung | 0:4e245f4bc8ac | 171 | return Saturate(value); |
phungductung | 0:4e245f4bc8ac | 172 | } |
phungductung | 0:4e245f4bc8ac | 173 | |
phungductung | 0:4e245f4bc8ac | 174 | float SeekBar::Saturate(float value) |
phungductung | 0:4e245f4bc8ac | 175 | { |
phungductung | 0:4e245f4bc8ac | 176 | if (value < MIN_) value = MIN_; |
phungductung | 0:4e245f4bc8ac | 177 | if (value > MAX_) value = MAX_; |
phungductung | 0:4e245f4bc8ac | 178 | return value; |
phungductung | 0:4e245f4bc8ac | 179 | } |
phungductung | 0:4e245f4bc8ac | 180 | } |
phungductung | 0:4e245f4bc8ac | 181 | |
phungductung | 0:4e245f4bc8ac | 182 |