Hiding unaccessible buttons

diff --git a/src/libraryform.cpp b/src/libraryform.cpp
index 3987c80..f25bd74 100644 (file)
--- a/src/libraryform.cpp
+++ b/src/libraryform.cpp
@@ -114,11 +114,11 @@ LibraryForm::LibraryForm(Library *lib, QWidget *parent) :
        _model->setColumnCount(2);
        _state = STATE_NONE;
        _tools_widget = new ToolsWidget(this);
-       QPushButton *search_in_library = new QPushButton(QIcon(":/icons/"+_icons_theme+"/search.png"), "", _tools_widget);
-       search_in_library->setFlat(true);
-       search_in_library->setCheckable(true);
+       _search_in_library_button = new QPushButton(QIcon(":/icons/"+_icons_theme+"/search.png"), "", _tools_widget);
+       _search_in_library_button->setFlat(true);
+       _search_in_library_button->setCheckable(true);
        _tools_widget->layout()->addItem(new QSpacerItem(20, 20));
-       _tools_widget->layout()->addWidget(search_in_library);
+       _tools_widget->layout()->addWidget(_search_in_library_button);
        ui->setupUi(this);
        ui->listView->setModel(_model);
        ui->listView->setColumnWidth(0, 70);
@@ -141,7 +141,7 @@ LibraryForm::LibraryForm(Library *lib, QWidget *parent) :
        connect(_tools_widget, SIGNAL(nextSearch()), this, SLOT(nextItem()));
        connect(_tools_widget, SIGNAL(prevSearch()), this, SLOT(prevItem()));
        connect(ui->moreButton, SIGNAL(clicked()), this, SLOT(_more_button()));
-       connect(search_in_library, SIGNAL(toggled(bool)), this, SLOT(_search_button(bool)));
+       connect(_search_in_library_button, SIGNAL(toggled(bool)), this, SLOT(_search_button(bool)));
        connect(ui->playerButton, SIGNAL(clicked()), this, SLOT(hide()));
        _view_button();
        _top_gradient = ui->topWidget->styleSheet();
@@ -149,6 +149,10 @@ LibraryForm::LibraryForm(Library *lib, QWidget *parent) :
        _is_dynamic = false;
        setAttribute(Qt::WA_Maemo5StackedWindow);
        setWindowFlags(Qt::Window | windowFlags());
+       ui->addButton->setEnabled(false);
+       ui->addButton->setIcon(QIcon());
+       ui->deleteButton->setEnabled(false);
+       ui->deleteButton->setIcon(QIcon());
 }
 
 LibraryForm::~LibraryForm()
@@ -162,21 +166,21 @@ void LibraryForm::_view_button() {
        ui->listView->setColumnWidth(0, 70);
        _state = STATE_ARTIST;
        ui->backButton->setEnabled(false);
+       ui->backButton->setIcon(QIcon());
        ui->listLabel->setText("Artists");
-       ui->addButton->setEnabled(true);
-       ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
-       ui->deleteButton->setEnabled(false);
-       ui->deleteButton->setIcon(QIcon());
        ui->useButton->setEnabled(false);
        ui->useButton->setIcon(QIcon());
+       ui->addButton->setEnabled(false);
+       ui->addButton->setIcon(QIcon());
+       ui->deleteButton->setEnabled(false);
+       ui->deleteButton->setIcon(QIcon());
 }
 
 void LibraryForm::_dynamic_button() {
        ui->useButton->setEnabled(false);
        ui->useButton->setIcon(QIcon());
        ui->backButton->setEnabled(false);
-       ui->addButton->setEnabled(true);
-       ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
+       ui->backButton->setIcon(QIcon());
        ui->deleteButton->setEnabled(false);
        ui->deleteButton->setIcon(QIcon());
        _model->clear();
@@ -192,6 +196,10 @@ void LibraryForm::_dynamic_button() {
        ui->listView->setColumnWidth(0, 70);
        ui->listLabel->setText("Dynamic playlists");
        _state = STATE_DYNAMIC;
+       ui->addButton->setEnabled(false);
+       ui->addButton->setIcon(QIcon());
+       ui->deleteButton->setEnabled(false);
+       ui->deleteButton->setIcon(QIcon());
 }
 
 void LibraryForm::_process_list_click(QModelIndex index) {
@@ -209,6 +217,7 @@ void LibraryForm::_process_list_click(QModelIndex index) {
                _current_artist = data;
                _state = STATE_ALBUM;
                ui->backButton->setEnabled(true);
+               ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
                ui->listLabel->setText(QString("Albums by \"%1\"").arg(_current_artist));
                break;
        case STATE_ALBUM:
@@ -220,6 +229,7 @@ void LibraryForm::_process_list_click(QModelIndex index) {
                        ui->listView->scrollToTop();
                        _state = STATE_TRACK;
                        ui->backButton->setEnabled(true);
+                       ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
                        ui->listLabel->setText(QString("Tracks from \"%1\" by \"%2\"").arg(_current_album).arg(_current_artist));
                }
                break;
@@ -231,9 +241,9 @@ void LibraryForm::_process_list_click(QModelIndex index) {
                        ui->listView->setColumnWidth(0, 70);
                        ui->listView->scrollToTop();
                        _state = STATE_PLAYLIST_TRACK;
+                       _is_dynamic = false;
                        ui->backButton->setEnabled(true);
-                       ui->deleteButton->setEnabled(true);
-                       ui->deleteButton->setIcon(QIcon(":/icons/"+_icons_theme+"/delete.png"));
+                       ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
                        ui->useButton->setEnabled(true);
                        ui->useButton->setIcon(QIcon(":/icons/"+_icons_theme+"/use.png"));
                        ui->listLabel->setText(QString("Tracks in playlist \"%1\"").arg(data));
@@ -263,15 +273,18 @@ void LibraryForm::_process_list_click(QModelIndex index) {
                        _state = STATE_PLAYLIST_TRACK;
                        _is_dynamic = true;
                        ui->backButton->setEnabled(true);
+                       ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
                        ui->useButton->setEnabled(true);
                        ui->useButton->setIcon(QIcon(":/icons/"+_icons_theme+"/use.png"));
-                       ui->addButton->setEnabled(true);
-                       ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
                        ui->listLabel->setText(_current_playlist.name());
                }
        default:
                return;
        }
+       ui->addButton->setEnabled(false);
+       ui->addButton->setIcon(QIcon());
+       ui->deleteButton->setEnabled(false);
+       ui->deleteButton->setIcon(QIcon());
        QTimer::singleShot(100, ui->listView, SLOT(clearSelection())); // workaround
 }
 
@@ -390,13 +403,14 @@ void LibraryForm::_playlists_button() {
        ui->listView->setColumnWidth(0, 70);
        _state = STATE_PLAYLIST;
        ui->backButton->setEnabled(false);
+       ui->backButton->setIcon(QIcon());
        ui->listLabel->setText("Playlists");
-       ui->addButton->setEnabled(true);
-       ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
-       ui->deleteButton->setEnabled(true);
-       ui->deleteButton->setIcon(QIcon(":/icons/"+_icons_theme+"/delete.png"));
        ui->useButton->setEnabled(false);
        ui->useButton->setIcon(QIcon());
+       ui->addButton->setEnabled(false);
+       ui->addButton->setIcon(QIcon());
+       ui->deleteButton->setEnabled(false);
+       ui->deleteButton->setIcon(QIcon());
 }
 
 void LibraryForm::_delete_button() {
@@ -536,6 +550,8 @@ void LibraryForm::_toggle_select_all_button() {
                connect(ui->listView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
                           this, SLOT(_process_selection(QItemSelection,QItemSelection)));
                ui->selectAllButton->setIcon(QIcon(":/icons/"+_icons_theme+"/deselect_all.png"));
+               ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
+               ui->addButton->setEnabled(true);
        }
 }
 
@@ -657,21 +673,30 @@ void LibraryForm::updateIcons() {
        if (!ui->useButton->icon().isNull()) {
                ui->useButton->setIcon(QIcon(":/icons/"+_icons_theme+"/use.png"));
        }
-       ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
-       ui->dynamicButton->setIcon(QIcon(":/icons/"+_icons_theme+"/dynamic.png"));
+       if (!ui->backButton->icon().isNull()) {
+               ui->backButton->setIcon(QIcon(":/icons/"+_icons_theme+"/back.png"));
+       }
+       if (!ui->dynamicButton->icon().isNull()) {
+               ui->dynamicButton->setIcon(QIcon(":/icons/"+_icons_theme+"/dynamic.png"));
+       }
        if (_tools_widget->isVisible()) {
                ui->moreButton->setIcon(QIcon(landscape ? ":/icons/"+_icons_theme+"/more_l.png" : ":/icons/"+_icons_theme+"/unmore.png"));
        } else {
                ui->moreButton->setIcon(QIcon(landscape ? ":/icons/"+_icons_theme+"/unmore_l.png" : ":/icons/"+_icons_theme+"/more.png"));
        }
-       ui->playlistsButton->setIcon(QIcon(":/icons/"+_icons_theme+"/playlists.png"));
+       if (!ui->playlistsButton->icon().isNull()) {
+               ui->playlistsButton->setIcon(QIcon(":/icons/"+_icons_theme+"/playlists.png"));
+       }
        ui->playerButton->setIcon(QIcon(":/icons/"+_icons_theme+"/player.png"));
-       ui->viewButton->setIcon(QIcon(":/icons/"+_icons_theme+"/artists.png"));
+       if (!ui->viewButton->icon().isNull()) {
+               ui->viewButton->setIcon(QIcon(":/icons/"+_icons_theme+"/artists.png"));
+       }
        if (ui->listView->selectionModel()->selectedRows().count() == _model->rowCount()) {
                ui->selectAllButton->setIcon(QIcon(":/icons/"+_icons_theme+"/deselect_all.png"));
        } else {
                ui->selectAllButton->setIcon(QIcon(":/icons/"+_icons_theme+"/select_all.png"));
        }
+       _search_in_library_button->setIcon(QIcon(":/icons/"+_icons_theme+"/search.png"));
        refresh();
 }
 
@@ -699,6 +724,19 @@ void LibraryForm::_process_selection(QItemSelection selected, QItemSelection des
                }
                ui->listView->selectionModel()->select(id, QItemSelectionModel::Deselect);
        }
+       if (ui->listView->selectionModel()->selectedRows().count() > 0) {
+               ui->addButton->setEnabled(true);
+               ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
+               if (_state == STATE_PLAYLIST || (_state == STATE_PLAYLIST_TRACK && !_is_dynamic)) {
+                       ui->deleteButton->setEnabled(true);
+                       ui->deleteButton->setIcon(QIcon(":/icons/"+_icons_theme+"/delete.png"));
+               }
+       } else {
+               ui->addButton->setEnabled(false);
+               ui->addButton->setIcon(QIcon());
+               ui->deleteButton->setEnabled(false);
+               ui->deleteButton->setIcon(QIcon());
+       }
 }
 
 void LibraryForm::_process_dblclick(QModelIndex id) {
@@ -719,6 +757,7 @@ void LibraryForm::_search_button(bool state) {
        ui->moreButton->setEnabled(!state);
        _tools_widget->toggleArrows(!state);
        ui->backButton->setEnabled(!state);
+       ui->backButton->setIcon(state ? QIcon() : QIcon(":/icons/"+_icons_theme+"/back.png"));
        _tools_widget->setFocus();
        _tools_widget->reset();
        if (state) {
@@ -727,13 +766,23 @@ void LibraryForm::_search_button(bool state) {
                ui->deleteButton->setEnabled(false);
                ui->useButton->setIcon(QIcon());
                ui->useButton->setEnabled(false);
-               ui->addButton->setIcon(QIcon(":/icons/"+_icons_theme+"/add.png"));
-               ui->addButton->setEnabled(true);
+               ui->viewButton->setIcon(QIcon());
+               ui->viewButton->setEnabled(false);
+               ui->dynamicButton->setIcon(QIcon());
+               ui->dynamicButton->setEnabled(false);
+               ui->playlistsButton->setIcon(QIcon());
+               ui->playlistsButton->setEnabled(false);
                disconnect(_tools_widget, SIGNAL(search(QString)), this, SLOT(search(QString)));
                connect(_tools_widget, SIGNAL(search(QString)), this, SLOT(_search_in_library(QString)));
                _model->clear();
                _state = STATE_SEARCH;
        } else {
+               ui->viewButton->setIcon(QIcon(":/icons/"+_icons_theme+"/artists.png"));
+               ui->viewButton->setEnabled(true);
+               ui->dynamicButton->setIcon(QIcon(":/icons/"+_icons_theme+"/dynamic.png"));
+               ui->dynamicButton->setEnabled(true);
+               ui->playlistsButton->setIcon(QIcon(":/icons/"+_icons_theme+"/playlists.png"));
+               ui->playlistsButton->setEnabled(true);
                _view_button();
                connect(_tools_widget, SIGNAL(search(QString)), this, SLOT(search(QString)));
                disconnect(_tools_widget, SIGNAL(search(QString)), this, SLOT(_search_in_library(QString)));

diff --git a/src/libraryform.h b/src/libraryform.h
index b4d87bc..2d75912 100644 (file)
--- a/src/libraryform.h
+++ b/src/libraryform.h
@@ -28,6 +28,7 @@
 #include <QModelIndex>
 #include <QItemSelectionModel>
 #include <QItemSelection>
+#include <QPushButton>
 #include "playlist.h"
 #include "toolswidget.h"
 
@@ -90,6 +91,7 @@ private:
        QString _search_pattern;
        int _search_current_id;
        ToolsWidget *_tools_widget;
+       QPushButton *_search_in_library_button;
        bool landscape;
        QString _icons_theme;
        QString _top_gradient;