Mercurial > hg > svgui
view widgets/ModelDataTableDialog.cpp @ 1024:3bce4c45b681 spectrogram-minor-refactor
Rearrange cache update calculations so as to use the actual painted width returned by paint functions (though they only ever return the same width as requested, at this point)
author | Chris Cannam |
---|---|
date | Mon, 25 Jan 2016 15:52:26 +0000 |
parents | 4a578a360011 |
children | c02c51ae5238 a7df0d728020 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2008 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "ModelDataTableDialog.h" #include "data/model/ModelDataTableModel.h" #include "data/model/TabularModel.h" #include "data/model/Model.h" #include "CommandHistory.h" #include "IconLoader.h" #include <QTableView> #include <QLineEdit> #include <QGridLayout> #include <QLabel> #include <QGroupBox> #include <QDialogButtonBox> #include <QHeaderView> #include <QApplication> #include <QDesktopWidget> #include <QAction> #include <QToolBar> #include <iostream> ModelDataTableDialog::ModelDataTableDialog(TabularModel *model, QString title, QWidget *parent) : QMainWindow(parent), m_currentRow(0), m_trackPlayback(true) { setWindowTitle(tr("Data Editor")); QToolBar *toolbar; toolbar = addToolBar(tr("Playback Toolbar")); m_playToolbar = toolbar; toolbar = addToolBar(tr("Play Mode Toolbar")); IconLoader il; QAction *action = new QAction(il.load("playfollow"), tr("Track Playback"), this); action->setStatusTip(tr("Toggle tracking of playback position")); action->setCheckable(true); action->setChecked(m_trackPlayback); connect(action, SIGNAL(triggered()), this, SLOT(togglePlayTracking())); toolbar->addAction(action); toolbar = addToolBar(tr("Edit Toolbar")); action = new QAction(il.load("datainsert"), tr("Insert New Item"), this); action->setShortcut(tr("Insert")); action->setStatusTip(tr("Insert a new item")); connect(action, SIGNAL(triggered()), this, SLOT(insertRow())); toolbar->addAction(action); action = new QAction(il.load("datadelete"), tr("Delete Selected Items"), this); action->setShortcut(tr("Delete")); action->setStatusTip(tr("Delete the selected item or items")); connect(action, SIGNAL(triggered()), this, SLOT(deleteRows())); toolbar->addAction(action); CommandHistory::getInstance()->registerToolbar(toolbar); /* action = new QAction(il.load("dataedit"), tr("Edit Selected Item"), this); action->setShortcut(tr("Edit")); action->setStatusTip(tr("Edit the selected item")); connect(action, SIGNAL(triggered()), this, SLOT(editRow())); toolbar->addAction(action); */ QFrame *mainFrame = new QFrame; setCentralWidget(mainFrame); QGridLayout *grid = new QGridLayout; mainFrame->setLayout(grid); QGroupBox *box = new QGroupBox; if (title != "") { box->setTitle(title); } else { box->setTitle(tr("Data in Layer")); } grid->addWidget(box, 0, 0); grid->setRowStretch(0, 15); QGridLayout *subgrid = new QGridLayout; box->setLayout(subgrid); subgrid->setSpacing(0); subgrid->setMargin(5); subgrid->addWidget(new QLabel(tr("Find:")), 1, 0); subgrid->addWidget(new QLabel(tr(" ")), 1, 1); m_find = new QLineEdit; subgrid->addWidget(m_find, 1, 2); connect(m_find, SIGNAL(textChanged(const QString &)), this, SLOT(searchTextChanged(const QString &))); connect(m_find, SIGNAL(returnPressed()), this, SLOT(searchRepeated())); m_tableView = new QTableView; subgrid->addWidget(m_tableView, 0, 0, 1, 3); m_tableView->setSortingEnabled(true); m_tableView->sortByColumn(0, Qt::AscendingOrder); m_table = new ModelDataTableModel(model); m_tableView->setModel(m_table); m_tableView->horizontalHeader()->setStretchLastSection(true); connect(m_tableView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(viewClicked(const QModelIndex &))); connect(m_tableView, SIGNAL(pressed(const QModelIndex &)), this, SLOT(viewPressed(const QModelIndex &))); connect(m_tableView->selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), this, SLOT(currentChanged(const QModelIndex &, const QModelIndex &))); connect(m_table, SIGNAL(addCommand(Command *)), this, SLOT(addCommand(Command *))); connect(m_table, SIGNAL(currentChanged(const QModelIndex &)), this, SLOT(currentChangedThroughResort(const QModelIndex &))); connect(m_table, SIGNAL(modelRemoved()), this, SLOT(modelRemoved())); QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close); connect(bb, SIGNAL(rejected()), this, SLOT(close())); grid->addWidget(bb, 2, 0); grid->setRowStretch(2, 0); QDesktopWidget *desktop = QApplication::desktop(); QRect available = desktop->availableGeometry(); int width = available.width() / 3; int height = available.height() / 2; if (height < 370) { if (available.height() > 500) height = 370; } if (width < 650) { if (available.width() > 750) width = 650; else if (width < 500) { if (available.width() > 650) width = 500; } } resize(width, height); } ModelDataTableDialog::~ModelDataTableDialog() { delete m_table; } void ModelDataTableDialog::userScrolledToFrame(sv_frame_t frame) { QModelIndex index = m_table->getModelIndexForFrame(frame); makeCurrent(index.row()); } void ModelDataTableDialog::playbackScrolledToFrame(sv_frame_t frame) { if (m_trackPlayback) { QModelIndex index = m_table->getModelIndexForFrame(frame); makeCurrent(index.row()); } } void ModelDataTableDialog::searchTextChanged(const QString &text) { QModelIndex mi = m_table->findText(text); if (mi.isValid()) { makeCurrent(mi.row()); m_tableView->selectionModel()->setCurrentIndex (mi, QItemSelectionModel::ClearAndSelect); } } void ModelDataTableDialog::searchRepeated() { QModelIndex mi = m_table->findText(m_find->text()); if (mi.isValid()) { makeCurrent(mi.row()); m_tableView->selectionModel()->setCurrentIndex (mi, QItemSelectionModel::ClearAndSelect); } } void ModelDataTableDialog::makeCurrent(int row) { int rh = m_tableView->height() / m_tableView->rowHeight(0); int topRow = row - rh/4; if (topRow < 0) topRow = 0; // should only scroll if the desired row is not currently visible // should only select if no part of the desired row is currently selected // cerr << "rh = " << rh << ", row = " << row << ", scrolling to " // << topRow << endl; int pos = m_tableView->rowViewportPosition(row); if (pos < 0 || pos >= m_tableView->height() - rh) { m_tableView->scrollTo(m_table->index(topRow, 0)); } bool haveRowSelected = false; for (int i = 0; i < m_table->columnCount(); ++i) { if (m_tableView->selectionModel()->isSelected(m_table->index(row, i))) { haveRowSelected = true; break; } } if (!haveRowSelected) { m_tableView->selectionModel()->setCurrentIndex (m_table->index(row, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); } } void ModelDataTableDialog::viewClicked(const QModelIndex &index) { // SVDEBUG << "ModelDataTableDialog::viewClicked: " << index.row() << ", " << index.column() << endl; emit scrollToFrame(m_table->getFrameForModelIndex(index)); } void ModelDataTableDialog::viewPressed(const QModelIndex &) { // SVDEBUG << "ModelDataTableDialog::viewPressed: " << index.row() << ", " << index.column() << endl; } void ModelDataTableDialog::currentChanged(const QModelIndex ¤t, const QModelIndex &) { // SVDEBUG << "ModelDataTableDialog::currentChanged: from " // << previous.row() << ", " << previous.column() // << " to " << current.row() << ", " << current.column() // << endl; m_currentRow = current.row(); m_table->setCurrentRow(m_currentRow); } void ModelDataTableDialog::insertRow() { m_table->insertRow(m_currentRow); } void ModelDataTableDialog::deleteRows() { // not efficient while (m_tableView->selectionModel()->hasSelection()) { m_table->removeRow (m_tableView->selectionModel()->selection().indexes().begin()->row()); } } void ModelDataTableDialog::editRow() { } void ModelDataTableDialog::addCommand(Command *command) { CommandHistory::getInstance()->addCommand(command, false, true); } void ModelDataTableDialog::togglePlayTracking() { m_trackPlayback = !m_trackPlayback; } void ModelDataTableDialog::currentChangedThroughResort(const QModelIndex &index) { // SVDEBUG << "ModelDataTableDialog::currentChangedThroughResort: row = " << index.row() << endl; // m_tableView->scrollTo(index); makeCurrent(index.row()); } void ModelDataTableDialog::modelRemoved() { close(); }