2018年3月16日に開催されるCQ出版社インターフェース誌オフ会で紹介するプログラム
Dependencies: mbed Array_Matrix BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG
F746_Gui_New/SeekBar.cpp
- Committer:
- MikamiUitOpen
- Date:
- 2018-03-10
- Revision:
- 0:f00cf31ae154
File content as of revision 0:f00cf31ae154:
//----------------------------------------------------------- // SeekBar class // // 2017/01/25, Copyright (c) 2017 MIKAMI, Naoki //----------------------------------------------------------- #include "SeekBar.hpp" namespace Mikami { // Constructor with scale value (only horizontal) SeekBar::SeekBar(uint16_t x, uint16_t y, uint16_t length, float min, float max, float initialValue, string left, string center, string right, uint32_t thumbColor, uint16_t thumbSize, uint16_t width, uint32_t colorL, uint32_t colorH, uint32_t backColor) : GuiBase(x, y, Font12, GuiBase::ENUM_TEXT, backColor, thumbColor), L_(length), W_(width), SIZE_(thumbSize), COLOR_L_(colorL), COLOR_H_(colorH), MIN_(min), MAX_(max), ORIENT_(Holizontal), v_(initialValue), labelOn_(true), slided_(false), active_(true) { Draw(initialValue); uint16_t y0 = y - thumbSize/2 - 13; labelLCR_[0] = new Label(x, y0, left, Label::CENTER); labelLCR_[1] = new Label(x+length/2, y0, center, Label::CENTER); labelLCR_[2] = new Label(x+length, y0, right, Label::CENTER); } // Slide thumb // If the thumb is not touched, return false bool SeekBar::Slide() { if (!active_) return false; if (!PanelTouched()) { if (slided_) Draw(v_); slided_ = false; return false; } uint16_t x, y; bool rtn = IsOnThumb(x, y); if (rtn || slided_) { if (rtn) v_ = ToValue(Point(x, y)); Draw(v_, rtn); slided_ = rtn; } return rtn; } void SeekBar::Activate() { active_ = true; Draw(v_); if (labelOn_) for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_); } void SeekBar::Inactivate() { active_ = false; Draw(v_); if (labelOn_) for (int n=0; n<3; n++) labelLCR_[n]->Draw(INACTIVE_TEXT_COLOR_); } // If touched position is on the thumb, return true bool SeekBar::IsOnThumb(uint16_t &x, uint16_t &y) { x = state_.touchX[0]; y = state_.touchY[0]; uint16_t th = SIZE_/2; Point pt = ToPoint(v_); if (ORIENT_ == Holizontal) { if ( (pt.x-th <= x) && (x <= pt.x+th) && (pt.y-th <= y) && (y <= pt.y+th) ) return true; } else { if ( (pt.x-th <= x) && (x <= pt.x+th) && (pt.y-th <= y) && (y <= pt.y+th) ) return true; } return false; } // Draw seekbar void SeekBar::Draw(float value, bool fill) { uint16_t sizeS = (uint16_t)(SIZE_*0.6f); // Erase previous seekbar lcd_.SetTextColor(BACK_COLOR_); if (ORIENT_ == Holizontal) lcd_.FillRect(X_-sizeS/2, Y_-SIZE_/2, L_+sizeS+1, SIZE_+1); else lcd_.FillRect(X_-SIZE_/2, Y_-sizeS/2, SIZE_+1, L_+sizeS+1); v_ = Saturate(value); // current value Point pt = ToPoint(v_); // Position of thumb // Draw upper line if (active_) lcd_.SetTextColor(COLOR_H_); else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x404040); if ((ORIENT_ == Holizontal) && ((X_+L_-pt.x) > 0)) lcd_.FillRect(pt.x, Y_-W_/4, X_+L_-pt.x, W_/2); if ((ORIENT_ == Vertical) && ((pt.y-Y_) > 0)) lcd_.FillRect(X_-W_/4, Y_, W_/2, pt.y-Y_); // Draw lower line if (active_) lcd_.SetTextColor(COLOR_L_); else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_-0x202020); if ((ORIENT_ == Holizontal) && ((pt.x-X_) > 0)) lcd_.FillRect(X_, Y_-W_/2, pt.x-X_, W_); if ((ORIENT_ == Vertical) && ((Y_+L_-pt.y) > 0)) lcd_.FillRect(X_-W_/2, pt.y, W_, Y_+L_-pt.y); // Draw thumb if (active_) lcd_.SetTextColor(CREATED_COLOR_); else lcd_.SetTextColor(INACTIVE_TEXT_COLOR_); uint16_t width = SIZE_; uint16_t height = SIZE_; if (ORIENT_ == Holizontal) width = sizeS; else height = sizeS; uint16_t xPos = pt.x - width/2; uint16_t yPos = pt.y - height/2; if (fill) lcd_.FillRect(xPos, yPos, width+1, height+1); else { lcd_.DrawRect(xPos, yPos, width, height); lcd_.DrawHLine(pt.x+width/2, pt.y+height/2, 1); lcd_.DrawRect(xPos+1, yPos+1, width-2, height-2); lcd_.DrawHLine(pt.x+width/2-1, pt.y+height/2-1, 1); if (ORIENT_ == Holizontal) lcd_.DrawVLine(pt.x, yPos+4, SIZE_-7); else lcd_.DrawHLine(xPos+4, pt.y, SIZE_-7); } } void SeekBar::Redraw(bool fill) { Draw(GetValue(), fill); if (labelOn_) for (int n=0; n<3; n++) labelLCR_[n]->Draw(TEXT_COLOR_); } SeekBar::Point SeekBar::ToPoint(float value) { if (ORIENT_ == Holizontal) return Point(X_ + Round(L_*(value - MIN_)/(MAX_ - MIN_)), Y_); else return Point(X_, Y_ + L_ - Round(L_*(value - MIN_)/(MAX_ - MIN_))); } float SeekBar::ToValue(Point pt) { float value; if (ORIENT_ == Holizontal) value = (pt.x - X_)*(MAX_ - MIN_)/(float)L_ + MIN_; else value = -(pt.y - Y_ - L_)*(MAX_ - MIN_)/(float)L_ + MIN_; return Saturate(value); } float SeekBar::Saturate(float value) { if (value < MIN_) value = MIN_; if (value > MAX_) value = MAX_; return value; } }