PHung Tung
?
Diff: FileSelectorWav.hpp
- Revision:
- 0:cacfc9e25452
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FileSelectorWav.hpp Tue Jun 04 21:58:08 2019 +0000
@@ -0,0 +1,214 @@
+//--------------------------------------------------------------
+// FileSelector class ---- Header ----
+// 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
+//
+// 2016/06/30, Copyright (c) 2016 MIKAMI, Naoki
+//--------------------------------------------------------------
+
+#ifndef FILE_SELECTOR_HPP
+#define FILE_SELECTOR_HPP
+
+#include "Label.hpp"
+#include "ButtonGroup.hpp"
+#include "SD_WavReader.hpp"
+#include <algorithm> // sort() で使用
+#include <string>
+
+namespace Mikami
+{
+ class FileSelector
+ {
+ public:
+ FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
+ int maxNameLength, SD_WavReader &reader)
+ : X_(x0), Y_(y0), W_H_(24), V_L_(36),
+ MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
+ BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF),
+ fileNames_(maxFiles),
+ rect_(NULL), lcd_(GuiBase::GetLcdPtr()),
+ sdReader_(reader), prevFileCount_(0), prev_(-1) {}
+
+ ~FileSelector()
+ { delete rect_; }
+
+ bool CreateTable();
+
+ // ファイルを選択する
+ bool Select(string &fileName);
+
+ // ファイルの一覧の表示
+ void DisplayFileList(bool sortEnable = true);
+
+ // ファイルの一覧の消去
+ void Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
+ uint32_t color = GuiBase::ENUM_BACK);
+
+ private:
+ const uint8_t X_, Y_, W_H_, V_L_;
+ const int MAX_FILES_;
+ const int MAX_NAME_LENGTH_;
+ const uint32_t BASE_COLOR_;
+ const uint32_t TOUCHED_COLOR_;
+
+ Array<string> fileNames_;
+ ButtonGroup *rect_;
+ Array<Label *> fileNameLabels_;
+ LCD_DISCO_F746NG *lcd_;
+ SD_WavReader &sdReader_;
+ int fileCount_, prevFileCount_;
+ int prev_;
+
+ // Label を生成
+ void CreateLabels();
+
+ // 拡張子を削除した文字列を取得
+ string GetFileNameNoExt(int n);
+
+ // disallow copy constructor and assignment operator
+ FileSelector(const FileSelector&);
+ FileSelector& operator=(const FileSelector&);
+ };
+}
+/*
+namespace Mikami
+{
+ class FileSelector
+ {
+ public:
+ FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
+ int maxNameLength, SD_WavReader &reader)
+ : X_(x0), Y_(y0), W_H_(24), V_L_(36),
+ MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
+ BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF),
+ fileNames_(maxFiles),
+ rect_(NULL), lcd_(GuiBase::GetLcdPtr()),
+ sdReader_(reader), prevFileCount_(0), prev_(-1) {}
+
+ ~FileSelector()
+ { delete rect_; }
+
+ bool 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;
+
+ if (rect_ != NULL) delete rect_;
+ Array<string> nonString(fileCount_, "");
+ rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, fileCount_,
+ nonString, 0, V_L_-W_H_, 1,
+ -1, Font12, 0, GuiBase::ENUM_BACK,
+ BASE_COLOR_, TOUCHED_COLOR_);
+ for (int n=0; n<fileCount_; n++) rect_->Erase(n);
+ CreateLabels();
+ prevFileCount_ = fileCount_;
+ return true;
+ }
+
+ // ファイルを選択する
+ bool Select(string &fileName)
+ {
+ int n;
+ if (rect_->GetTouchedNumber(n))
+ {
+ fileNameLabels_[n]->Draw(GetFileNameNoExt(n), TOUCHED_COLOR_);
+ if ((prev_ >= 0) && (prev_ != n))
+ fileNameLabels_[prev_]->Draw(GetFileNameNoExt(prev_));
+ prev_ = n;
+ fileName = fileNames_[n];
+ return true;
+ }
+ else
+ return false;
+ }
+
+ // ファイルの一覧の表示
+ void DisplayFileList(bool sortEnable = true)
+ {
+ if (sortEnable)
+ std::sort((string *)fileNames_,
+ (string *)fileNames_+fileCount_);
+
+ Erase(X_, Y_, MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 272-Y_);
+ rect_->DrawAll();
+ for (int n=0; n<fileCount_; n++)
+ fileNameLabels_[n]->Draw(GetFileNameNoExt(n));
+ }
+
+ // ファイルの一覧の消去
+ void Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
+ uint32_t color = GuiBase::ENUM_BACK)
+ {
+ lcd_->SetTextColor(color);
+ lcd_->FillRect(x, y, width, height);
+ }
+
+ private:
+ const uint8_t X_, Y_, W_H_, V_L_;
+ const int MAX_FILES_;
+ const int MAX_NAME_LENGTH_;
+ const uint32_t BASE_COLOR_;
+ const uint32_t TOUCHED_COLOR_;
+
+ Array<string> fileNames_;
+ ButtonGroup *rect_;
+ Array<Label *> fileNameLabels_;
+ LCD_DISCO_F746NG *lcd_;
+ SD_WavReader &sdReader_;
+ int fileCount_, prevFileCount_;
+ int prev_;
+
+ // Label を生成
+ void CreateLabels()
+ {
+ fileNameLabels_.SetSize(fileCount_);
+
+ for (int n=0; n<fileCount_; n++)
+ fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "",
+ Label::LEFT, Font16,
+ BASE_COLOR_);
+ }
+
+ // 拡張子を削除した文字列を取得
+ string GetFileNameNoExt(int n)
+ {
+ string name = fileNames_[n];
+ name.erase(name.find("."));
+ return name.substr(0, MAX_NAME_LENGTH_);
+ }
+
+ // disallow copy constructor and assignment operator
+ FileSelector(const FileSelector&);
+ FileSelector& operator=(const FileSelector&);
+ };
+}
+*/
+#endif // FILE_SELECTOR_HPP
+