SPKT
Dependencies: SDFileSystem_Warning_Fixed
Dependents: DISCO-F746_WAV_PLAYER WAV
FileSelectorWav.cpp
- Committer:
- MikamiUitOpen
- Date:
- 2016-10-02
- Revision:
- 2:511479736d6e
- Parent:
- 0:d310bb78455d
- Child:
- 3:dd3b8a21417b
File content as of revision 2:511479736d6e:
//-------------------------------------------------------------- // FileSelector class // SD カード内のファイル名の一覧を表示し,ファイルを選択する // // 2016/10/02, Copyright (c) 2016 MIKAMI, Naoki //-------------------------------------------------------------- #include "FileSelectorWav.hpp" namespace Mikami { FileSelector::FileSelector(uint8_t x0, uint8_t y0, int maxFiles, int maxNameLength, SD_WavReader &reader) : X_(x0), Y_(y0), MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength), fileNames_(maxFiles), fileNameLabels_(MAX_LIST_PAGE_), next_(50, 238, 64, 36, 2, (string[]){"<", ">"}, 10, 0, 2, -1, Font24), pageLabel_(210, 250, Label::LEFT, Font16), lcd_(GuiBase::GetLcdPtr()), sdReader_(reader), page_(1) { Array<string> nonString(MAX_LIST_PAGE_, ""); rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, MAX_LIST_PAGE_, nonString, 0, V_L_-W_H_, 1, -1, Font12, 0, GuiBase::ENUM_BACK, BASE_COLOR_, TOUCHED_COLOR_); rect_->EraseAll(); next_.EraseAll(); // Label を生成 for (int n=0; n<MAX_LIST_PAGE_; n++) fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "", Label::LEFT, Font16, BASE_COLOR_); } FileSelector::~FileSelector() { delete rect_; for (int n=0; n<MAX_LIST_PAGE_; n++) delete fileNameLabels_[n]; } bool FileSelector::CreateTable() { DIR* dp = opendir("/sd"); fileCount_ = 0; if (dp != NULL) { dirent* entry; for (int n=0; n<256; n++) { entry = readdir(dp); if (entry == NULL) break; string strName = entry->d_name; if ( (strName.find(".wav") != string::npos) || (strName.find(".WAV") != string::npos) ) { sdReader_.Open(strName); // ファイルオープン // PCM,16 ビットステレオ,標本化周波数 44.1 kHz 以外のファイルは除外 if (sdReader_.IsWavFile()) fileNames_[fileCount_++] = strName; sdReader_.Close(); } if (fileCount_ >= MAX_FILES_) break; } closedir(dp); } else return false; if (fileCount_ == 0) return false; div_t m = div(fileCount_, MAX_LIST_PAGE_); maxPage_ = (m.rem == 0) ? m.quot : m.quot+1; rect_->EraseAll(); return true; } // ファイルを選択する bool FileSelector::Select(string &fileName) { int m; if (next_.GetTouchedNumber(m)) { if (m==0) page_--; else page_++; DisplayFileList(false); } int n; if (rect_->GetTouchedNumber(n)) { int k = (page_ - 1)*MAX_LIST_PAGE_ + n; fileNameLabels_[n]->Draw(GetFileNameNoExt(k), TOUCHED_COLOR_); fileName = fileNames_[k]; return true; } else return false; } // ファイルの一覧の表示 void FileSelector::DisplayFileList(bool sortEnable) { if (sortEnable) std::sort((string *)fileNames_, (string *)fileNames_+fileCount_); Erase(X_, Y_, MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 272-Y_); div_t m = div(fileCount_, MAX_LIST_PAGE_); int count = (m.quot >= page_) ? MAX_LIST_PAGE_ : m.rem; for (int n=0; n<count; n++) rect_->Draw(n); for (int n=0; n<count; n++) fileNameLabels_[n]->Draw(GetFileNameNoExt(n+(page_-1)*MAX_LIST_PAGE_)); // 前のページ,次のページの選択ボタンなどを表示する next_.ActivateAll(); next_.DrawAll(); if (page_ == 1) next_.Inactivate(0); if (page_ == maxPage_) next_.Inactivate(1); char page[6]; sprintf(page, "%d/%d", page_, maxPage_); pageLabel_.Draw(page); } // ファイルの一覧の消去 void FileSelector::Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint32_t color) { lcd_->SetTextColor(color); lcd_->FillRect(x, y, width, height); } // 拡張子を削除した文字列を取得 string FileSelector::GetFileNameNoExt(int n) { string name = fileNames_[n]; name.erase(name.find(".")); return name.substr(0, MAX_NAME_LENGTH_); } }