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afd53be6f5
Qt5.11 introduced the suggested replacement QFontMetrics::horizontalAdvance(). Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
157 lines
4.7 KiB
C++
157 lines
4.7 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "desktop-widgets/tableview.h"
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#include "desktop-widgets/modeldelegates.h"
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#include <QPushButton>
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#include <QSettings>
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TableView::TableView(QWidget *parent) : QGroupBox(parent)
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{
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ui.setupUi(this);
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ui.tableView->setItemDelegate(new DiveListDelegate(this));
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connect(ui.tableView, &QTableView::clicked, this, &TableView::itemClicked);
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QFontMetrics fm(defaultModelFont());
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int text_ht = fm.height();
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metrics.icon = &defaultIconMetrics();
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metrics.rm_col_width = metrics.icon->sz_small + 2*metrics.icon->spacing;
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metrics.header_ht = text_ht + 10; // TODO DPI
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/* We want to get rid of the margin around the table, but
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* we must be careful with some styles (e.g. GTK+) where the top
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* margin is actually used to hold the label. We thus check the
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* rectangles for the label and contents to make sure they do not
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* overlap, and adjust the top contentsMargin accordingly
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*/
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// start by setting all the margins at zero
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QMargins margins;
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// grab the label and contents dimensions and positions
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QStyleOptionGroupBox option;
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initStyleOption(&option);
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QRect labelRect = style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::SC_GroupBoxLabel, this);
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QRect contentsRect = style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::SC_GroupBoxContents, this);
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/* we need to ensure that the bottom of the label is higher
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* than the top of the contents */
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int delta = contentsRect.top() - labelRect.bottom();
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const int min_gap = metrics.icon->spacing;
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if (delta <= min_gap) {
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margins.setTop(min_gap - delta);
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}
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layout()->setContentsMargins(margins);
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QIcon plusIcon(":list-add-icon");
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plusBtn = new QPushButton(plusIcon, QString(), this);
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plusBtn->setFlat(true);
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/* now determine the icon and button size. Since the button will be
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* placed in the label, make sure that we do not overflow, as it might
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* get clipped
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*/
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int iconSize = metrics.icon->sz_small;
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int btnSize = iconSize + 2*min_gap;
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if (btnSize > labelRect.height()) {
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btnSize = labelRect.height();
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iconSize = btnSize - 2*min_gap;
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}
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plusBtn->setIconSize(QSize(iconSize, iconSize));
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plusBtn->resize(btnSize, btnSize);
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connect(plusBtn, SIGNAL(clicked(bool)), this, SIGNAL(addButtonClicked()));
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}
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TableView::~TableView()
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{
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QSettings s;
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s.beginGroup(objectName());
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// remove the old default
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bool oldDefault = (ui.tableView->columnWidth(0) == 30);
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for (int i = 1; oldDefault && ui.tableView->model() && i < ui.tableView->model()->columnCount(); i++) {
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if (ui.tableView->columnWidth(i) != 80)
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oldDefault = false;
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}
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if (oldDefault) {
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s.remove("");
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} else if (ui.tableView->model()) {
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for (int i = 0; i < ui.tableView->model()->columnCount(); i++) {
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if (ui.tableView->columnWidth(i) == defaultColumnWidth(i))
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s.remove(QString("colwidth%1").arg(i));
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else
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s.setValue(QString("colwidth%1").arg(i), ui.tableView->columnWidth(i));
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}
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}
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s.endGroup();
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}
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void TableView::setBtnToolTip(const QString &tooltip)
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{
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plusBtn->setToolTip(tooltip);
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}
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void TableView::setModel(QAbstractItemModel *model)
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{
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ui.tableView->setModel(model);
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QSettings s;
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s.beginGroup(objectName());
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const int columnCount = ui.tableView->model()->columnCount();
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for (int i = 0; i < columnCount; i++) {
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QVariant width = s.value(QString("colwidth%1").arg(i), defaultColumnWidth(i));
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ui.tableView->setColumnWidth(i, width.toInt());
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}
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s.endGroup();
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ui.tableView->horizontalHeader()->setMinimumHeight(metrics.header_ht);
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}
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void TableView::fixPlusPosition()
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{
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QStyleOptionGroupBox option;
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initStyleOption(&option);
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QRect labelRect = style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::SC_GroupBoxLabel, this);
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QRect contentsRect = style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::QStyle::SC_GroupBoxFrame, this);
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plusBtn->setGeometry( contentsRect.width() - plusBtn->width(), labelRect.y(), plusBtn->width(), labelRect.height());
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}
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// We need to manually position the 'plus' on cylinder and weight.
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void TableView::resizeEvent(QResizeEvent *event)
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{
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fixPlusPosition();
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QWidget::resizeEvent(event);
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}
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void TableView::showEvent(QShowEvent *event)
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{
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QWidget::showEvent(event);
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fixPlusPosition();
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}
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void TableView::edit(const QModelIndex &index)
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{
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ui.tableView->edit(index);
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}
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int TableView::defaultColumnWidth(int col)
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{
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int width;
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QString text = ui.tableView->model()->headerData(col, Qt::Horizontal).toString();
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#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
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int textSpace = defaultModelFontMetrics().width(text) + 4;
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#else // QT 5.11 or newer
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int textSpace = defaultModelFontMetrics().horizontalAdvance(text) + 4;
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#endif
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width = text.isEmpty() ? metrics.rm_col_width : textSpace + 4; // add small margin
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#if defined(Q_OS_MAC)
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width += 10; // Mac needs more margin
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#endif
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return width;
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}
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QTableView *TableView::view()
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{
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return ui.tableView;
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}
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