table with songs, playback of selected song

Author: piotrpsz

catalog.cpp

@@ -2,18 +2,27 @@
 #include "dirs_tree.h"
 #include "files_table.h"
 #include <QSplitter>
+#include <QSplitter>
+#include <QShowEvent>
 #include <QVBoxLayout>
 
-Catalog::Catalog(QWidget *parent):
-    QWidget{parent},
+Catalog::Catalog(QWidget *parent) : QWidget{parent},
+    splitter_{new QSplitter(Qt::Horizontal)},
     dirs_{new DirsTree},
     files_{new FilesTable}
 {
-    auto const splitter = new QSplitter(Qt::Horizontal);
-    splitter->addWidget(dirs_);
-    splitter->addWidget(files_);
+    splitter_->setHandleWidth(SPLITTER_HANDLE_WIFTH);
+    splitter_->addWidget(dirs_);
+    splitter_->addWidget(files_);
 
     auto const main = new QVBoxLayout;
-    main->addWidget(splitter);
+    main->addWidget(splitter_);
     setLayout(main);
 }
+
+void Catalog::showEvent(QShowEvent* e) {
+    auto const width = size().width();
+    auto const w0 = 25. * width / 100.;
+    auto const w1 = width - splitter_->handleWidth() - w0;
+    splitter_->setSizes({static_cast<int>(w0), static_cast<int>(w1)});
+}

catalog.h

@@ -6,13 +6,17 @@
 
 class DirsTree;
 class FilesTable;
-
+class QSplitter;
+class QShowEvent;
 
 class Catalog : public QWidget {
     Q_OBJECT
+    static constexpr int SPLITTER_HANDLE_WIFTH{3};
+    QSplitter* const splitter_;
     DirsTree* const dirs_;
     FilesTable* const files_;
 public:
     explicit Catalog(QWidget *parent = nullptr);
-
+private:
+    void showEvent(QShowEvent*) override;
 };

control_bar.cpp

@@ -2,10 +2,13 @@
 /*------- include files:
 -------------------------------------------------------------------*/
 #include "control_bar.h"
+#include "shared/event.hh"
+#include "shared/event_controller.hh"
 #include <QUrl>
 #include <QDir>
 #include <QIcon>
 #include <QLabel>
+#include <QEvent>
 #include <QSlider>
 #include <QStyle>
 #include <QFileInfo>
@@ -136,7 +139,21 @@ ControlBar::ControlBar(QWidget *parent) :
     layout->setContentsMargins(0, 0, 0, 0);
     setLayout(layout);
 
-    set_song("/home/piotr/Music/Achim Reichel/Melancholie und Sturmflut/05 Aloha Heja He.m4a");
+    EventController::instance().append(this, event::SongSelected);
+}
+
+ControlBar::~ControlBar() {
+    EventController::instance().remove(this);
+}
+
+void ControlBar::customEvent(QEvent* const event) {
+    auto const e = dynamic_cast<Event*>(event);
+    switch (int(e->type())) {
+    case event::SongSelected:
+        if (auto const data = e->data(); !data.empty())
+            set_song(data[0].toString());
+        break;
+    }
 }
 
 void ControlBar::set_song(QString const& path) noexcept {

control_bar.h

@@ -9,6 +9,7 @@
 -------------------------------------------------------------------*/
 class QLabel;
 class QSlider;
+class QEvent;
 class QPushButton;
 class QMediaPlayer;
 class QAudioOutput;
@@ -41,8 +42,9 @@ class ControlBar : public QWidget {
     QString song_path_{};
 public:
     explicit ControlBar(QWidget *parent = nullptr);
-
+    ~ControlBar();
 private:
     void set_song(QString const& path) noexcept;
+    void customEvent(QEvent*) override;
 };
 

dirs_tree.cpp

@@ -20,7 +20,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 //
-// Created by Piotr Pszczółkowski on 24.10.2024.
+// Created by Piotr Pszczółkowski on 25.10.2024.
 // piotr@beesoft.pl
 
 /*------- include files:
@@ -49,8 +49,8 @@ DirsTree::DirsTree(QWidget* const parent) :
     timer_->setSingleShot(true);
     connect(timer_, &QTimer::timeout, this, [this]() {
         if (auto item = currentItem(); item) {
-            auto const path{item->data(0, PATH).toString()};
-            EventController::instance().send(event::DirSelected, path);
+            auto path{item->data(0, PATH).toString()};
+            EventController::instance().send(event::DirSelected, std::move(path));
         }
     });
 
@@ -73,6 +73,8 @@ DirsTree::DirsTree(QWidget* const parent) :
     setCurrentItem(root_);
 }
 
+
+
 void DirsTree::update_content(QString const& path) {
     clear();
     root_ = new QTreeWidgetItem(this);
@@ -87,8 +89,6 @@ void DirsTree::update_content(QString const& path) {
 
 void DirsTree::add_items_for(QTreeWidgetItem* const parent) {
     auto parent_path = parent->data(0, PATH).toString();
-    // fmt::print(stderr, "parent path: {}\n", parent_path.toStdString());
-
     QDir const dir{parent_path};
     auto const content = dir.entryInfoList();
 
@@ -99,9 +99,6 @@ void DirsTree::add_items_for(QTreeWidgetItem* const parent) {
             auto const fname = fi.fileName();
             if (fname[0] !='.') {
                 auto const item = new QTreeWidgetItem(parent);
-                // fmt::print(stderr, "{}\n", fi.fileName().toStdString());
-                // fmt::print(stderr, "{}\n", fi.filePath().toStdString());
-
                 item->setText(0, fname);
                 item->setData(0, PATH, fi.filePath());
                 item->setData(0, PID, pid);

dirs_tree.h

@@ -20,7 +20,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 //
-// Created by Piotr Pszczółkowski on 24.10.2024.
+// Created by Piotr Pszczółkowski on 25.10.2024.
 // piotr@beesoft.pl
 #pragma once
 
@@ -32,6 +32,7 @@
 -------------------------------------------------------------------*/
 class QTimer;
 class QEvent;
+class QShowEvent;
 class QMouseEvent;
 class QTreeWidgetItem;
 

files_table.cpp

@@ -1,5 +1,94 @@
+// MIT License
+//
+// Copyright (c) 2024 Piotr Pszczółkowski
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// Created by Piotr Pszczółkowski on 25.10.2024.
+// piotr@beesoft.pl
+
+/*------- include files:
+-------------------------------------------------------------------*/
 #include "files_table.h"
+#include "shared/event.hh"
+#include "shared/event_controller.hh"
+#include <QDir>
+#include <QHeaderView>
+#include <QTableWidgetItem>
+#include <fmt/core.h>
+
+FilesTable::FilesTable(QWidget* const parent) : QTableWidget(parent) {
+    setRowCount(0);
+    setColumnCount(1);
+    setEditTriggers(NoEditTriggers);
+    setSelectionBehavior(SelectRows);
+    setHorizontalHeaderItem(0, new QTableWidgetItem("Title"));
+
+    connect(this, &QTableWidget::cellDoubleClicked, [&] (auto const row, auto const col){
+        if (auto const selected_item = item(row, 0)) {
+            auto const path = selected_item->data(PATH).toString();
+            EventController::instance().send(event::SongSelected, path);
+        }
+    });
+
+    EventController::instance().append(this,
+        event::DirSelected
+    );
+}
+
+FilesTable::~FilesTable() {
+    EventController::instance().remove(this);
+}
+
+void FilesTable::customEvent(QEvent* const event) {
+    auto const e = dynamic_cast<Event*>(event);
+    switch (int(e->type())) {
+    case event::DirSelected:
+        if (auto const data = e->data(); !data.empty()) {
+            clear_content();
+            new_content_for(data[0].toString());
+        }
+        break;
+    }
+}
+
+void FilesTable::new_content_for(QString&& path) {
+    QDir const dir{path};
+    auto const info_list = dir.entryInfoList();
+
+    std::vector<QTableWidgetItem*> data{};
+    data.reserve(info_list.size());
+    for (auto const& fi : info_list) {
+        if (!fi.isDir() && fi.isFile()) {
+            auto const fname = fi.fileName();
+            if (fname[0] !='.' && (fname.endsWith(".m4a") || fname.endsWith(".mp3"))) {
+                auto item = new QTableWidgetItem(fname);
+                item->setData(PATH, fi.filePath());
+                data.push_back(item);
+            }
+        }
+    }
 
-FilesTable::FilesTable(QWidget* const parent):
-    QTableWidget(parent)
-{}
+    int row = 0;
+    setRowCount(data.size());
+    std::ranges::for_each(data, [&] (auto item) {
+        setItem(row++, 0, item);
+    });
+    horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
+}

files_table.h

@@ -1,9 +1,53 @@
+// MIT License
+//
+// Copyright (c) 2024 Piotr Pszczółkowski
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// Created by Piotr Pszczółkowski on 25.10.2024.
+// piotr@beesoft.pl
+
 #pragma once
 
+/*------- include files:
+-------------------------------------------------------------------*/
 #include <QTableWidget>
+#include <vector>
+
+/*------- forward declarations:
+-------------------------------------------------------------------*/
+class QEvent;
+
 
 class FilesTable : public QTableWidget {
     Q_OBJECT
+    enum {PATH = Qt::UserRole + 1};
+
 public:
     FilesTable(QWidget* = nullptr);
+    ~FilesTable();
+private:
+    void customEvent(QEvent*) override;
+    void new_content_for(QString&& path);
+
+    void clear_content() noexcept {
+        clearContents();
+        setRowCount(0);
+    }
 };

shared/event.hh

@@ -57,6 +57,6 @@ namespace event {
         PlaybackPoition,
 
         DirSelected,
-        FileSeleced,
+        SongSelected,
     };
 }