subsurface/desktop-widgets/modeldelegates.cpp

576 lines
20 KiB
C++
Raw Normal View History

// SPDX-License-Identifier: GPL-2.0
#include "desktop-widgets/modeldelegates.h"
#include "core/subsurface-string.h"
#include "core/gettextfromc.h"
#include "desktop-widgets/mainwindow.h"
#include "qt-models/cylindermodel.h"
#include "qt-models/models.h"
#include "desktop-widgets/starwidget.h"
#include "profile-widget/profilewidget2.h"
#include "qt-models/tankinfomodel.h"
#include "qt-models/weightsysteminfomodel.h"
#include "qt-models/weightmodel.h"
#include "qt-models/divetripmodel.h"
#include "qt-models/divelocationmodel.h"
#include "core/qthelper.h"
#include "core/divesite.h"
#include "desktop-widgets/simplewidgets.h"
#include <QCompleter>
#include <QKeyEvent>
#include <QTextDocument>
#include <QApplication>
#include <QFont>
#include <QBrush>
#include <QColor>
#include <QAbstractProxyModel>
#include <QLineEdit>
#include <QAbstractItemView>
#include <QSpinBox>
QSize DiveListDelegate::sizeHint(const QStyleOptionViewItem&, const QModelIndex&) const
{
const QFontMetrics metrics(qApp->font());
return QSize(50, qMax(22, metrics.height()));
}
// Gets the index of the model in the currentRow and column.
// currCombo is defined below.
#define IDX(_XX) mymodel->index(currCombo.currRow, (_XX))
static bool keyboardFinished = false;
StarWidgetsDelegate::StarWidgetsDelegate(QWidget *parent) : QStyledItemDelegate(parent),
parentWidget(parent)
{
const IconMetrics& metrics = defaultIconMetrics();
minStarSize = QSize(metrics.sz_small * TOTALSTARS + metrics.spacing * (TOTALSTARS - 1), metrics.sz_small);
}
void StarWidgetsDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QStyledItemDelegate::paint(painter, option, index);
if (!index.isValid())
return;
QVariant value = index.model()->data(index, DiveTripModelBase::STAR_ROLE);
if (!value.isValid())
return;
int rating = value.toInt();
int deltaY = option.rect.height() / 2 - StarWidget::starActive().height() / 2;
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
const QPixmap active = QPixmap::fromImage(StarWidget::starActive());
const QPixmap inactive = QPixmap::fromImage(StarWidget::starInactive());
const IconMetrics& metrics = defaultIconMetrics();
for (int i = 0; i < rating; i++)
painter->drawPixmap(option.rect.x() + i * metrics.sz_small + metrics.spacing, option.rect.y() + deltaY, active);
for (int i = rating; i < TOTALSTARS; i++)
painter->drawPixmap(option.rect.x() + i * metrics.sz_small + metrics.spacing, option.rect.y() + deltaY, inactive);
painter->restore();
}
QSize StarWidgetsDelegate::sizeHint(const QStyleOptionViewItem&, const QModelIndex&) const
{
return minStarSize;
}
const QSize& StarWidgetsDelegate::starSize() const
{
return minStarSize;
}
ComboBoxDelegate::ComboBoxDelegate(QAbstractItemModel *model, QObject *parent, bool allowEdit) : QStyledItemDelegate(parent), model(model)
{
editable = allowEdit;
connect(this, SIGNAL(closeEditor(QWidget *, QAbstractItemDelegate::EndEditHint)),
this, SLOT(revertModelData(QWidget *, QAbstractItemDelegate::EndEditHint)));
connect(this, SIGNAL(closeEditor(QWidget *, QAbstractItemDelegate::EndEditHint)),
this, SLOT(fixTabBehavior()));
}
void ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
QComboBox *c = qobject_cast<QComboBox *>(editor);
QString data = index.model()->data(index, Qt::DisplayRole).toString();
int i = c->findText(data);
if (i != -1)
c->setCurrentIndex(i);
else
c->setEditText(data);
c->lineEdit()->setSelection(0, c->lineEdit()->text().length());
}
static struct CurrSelected {
QComboBox *comboEditor;
int currRow;
QString activeText;
QAbstractItemModel *model;
bool ignoreSelection;
} currCombo;
QWidget *ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem&, const QModelIndex &index) const
{
QComboBox *comboDelegate = new QComboBox(parent);
comboDelegate->setModel(model);
comboDelegate->setEditable(true);
comboDelegate->setAutoCompletion(true);
comboDelegate->setAutoCompletionCaseSensitivity(Qt::CaseInsensitive);
comboDelegate->completer()->setCompletionMode(QCompleter::PopupCompletion);
comboDelegate->view()->setEditTriggers(QAbstractItemView::AllEditTriggers);
comboDelegate->lineEdit()->installEventFilter(const_cast<QObject *>(qobject_cast<const QObject *>(this)));
comboDelegate->lineEdit()->setEnabled(editable);
comboDelegate->view()->installEventFilter(const_cast<QObject *>(qobject_cast<const QObject *>(this)));
QAbstractItemView *comboPopup = comboDelegate->lineEdit()->completer()->popup();
comboPopup->setMouseTracking(true);
connect(comboDelegate, SIGNAL(highlighted(QString)), this, SLOT(testActivation(QString)));
connect(comboDelegate, SIGNAL(activated(QString)), this, SLOT(fakeActivation()));
connect(comboPopup, SIGNAL(entered(QModelIndex)), this, SLOT(testActivation(QModelIndex)));
connect(comboPopup, SIGNAL(activated(QModelIndex)), this, SLOT(fakeActivation()));
currCombo.comboEditor = comboDelegate;
currCombo.currRow = index.row();
currCombo.model = const_cast<QAbstractItemModel *>(index.model());
keyboardFinished = false;
// Current display of things on Gnome3 looks like shit, so
// let`s fix that.
if (isGnome3Session()) {
QPalette p;
p.setColor(QPalette::Window, QColor(Qt::white));
p.setColor(QPalette::Base, QColor(Qt::white));
comboDelegate->lineEdit()->setPalette(p);
comboDelegate->setPalette(p);
}
return comboDelegate;
}
/* This Method is being called when the user *writes* something and press enter or tab,
* and it`s also called when the mouse walks over the list of choices from the ComboBox,
* One thing is important, if the user writes a *new* cylinder or weight type, it will
* be ADDED to the list, and the user will need to fill the other data.
*/
void ComboBoxDelegate::testActivation(const QString &currText)
{
currCombo.activeText = currText.isEmpty() ? currCombo.comboEditor->currentText() : currText;
setModelData(currCombo.comboEditor, currCombo.model, QModelIndex());
}
void ComboBoxDelegate::testActivation(const QModelIndex &currIndex)
{
testActivation(currIndex.data().toString());
}
// HACK, send a fake event so Qt thinks we hit 'enter' on the line edit.
void ComboBoxDelegate::fakeActivation()
{
/* this test is needed because as soon as I show the selector,
* the first item gots selected, this sending an activated signal,
* calling this fakeActivation code and setting as the current,
* thig that we don't want. so, let's just set the ignoreSelection
* to false and be happy, because the next activation ( by click
* or keypress) is real.
*/
if (currCombo.ignoreSelection) {
currCombo.ignoreSelection = false;
return;
}
QKeyEvent ev(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier);
QStyledItemDelegate::eventFilter(currCombo.comboEditor, &ev);
}
// This 'reverts' the model data to what we actually choosed,
// becaus e a TAB is being understood by Qt as 'cancel' while
// we are on a QComboBox ( but not on a QLineEdit.
void ComboBoxDelegate::fixTabBehavior()
{
if (keyboardFinished) {
setModelData(0, 0, QModelIndex());
}
}
bool ComboBoxDelegate::eventFilter(QObject *object, QEvent *event)
{
// Reacts on Key_UP and Key_DOWN to show the QComboBox - list of choices.
if (event->type() == QEvent::KeyPress || event->type() == QEvent::ShortcutOverride) {
if (object == currCombo.comboEditor) { // the 'LineEdit' part
QKeyEvent *ev = static_cast<QKeyEvent *>(event);
if (ev->key() == Qt::Key_Up || ev->key() == Qt::Key_Down) {
currCombo.ignoreSelection = true;
if (!currCombo.comboEditor->completer()->popup()->isVisible()) {
currCombo.comboEditor->showPopup();
return true;
}
}
if (ev->key() == Qt::Key_Tab || ev->key() == Qt::Key_Enter || ev->key() == Qt::Key_Return) {
currCombo.activeText = currCombo.comboEditor->currentText();
keyboardFinished = true;
}
} else { // the 'Drop Down Menu' part.
QKeyEvent *ev = static_cast<QKeyEvent *>(event);
if (ev->key() == Qt::Key_Enter || ev->key() == Qt::Key_Return ||
ev->key() == Qt::Key_Tab || ev->key() == Qt::Key_Backtab ||
ev->key() == Qt::Key_Escape) {
// treat Qt as a silly little boy - pretending that the key_return nwas pressed on the combo,
// instead of the list of choices. this can be extended later for
// other imputs, like tab navigation and esc.
QStyledItemDelegate::eventFilter(currCombo.comboEditor, event);
}
}
}
return QStyledItemDelegate::eventFilter(object, event);
}
void ComboBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex&) const
{
QRect defaultRect = option.rect;
defaultRect.setX(defaultRect.x() - 1);
defaultRect.setY(defaultRect.y() - 1);
defaultRect.setWidth(defaultRect.width() + 2);
defaultRect.setHeight(defaultRect.height() + 2);
editor->setGeometry(defaultRect);
}
static struct RevertCylinderData {
QString type;
int pressure;
int size;
} currCylinderData;
void TankInfoDelegate::setModelData(QWidget*, QAbstractItemModel*, const QModelIndex&) const
{
CylindersModel *mymodel = qobject_cast<CylindersModel *>(currCombo.model);
TankInfoModel *tanks = TankInfoModel::instance();
QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, currCombo.activeText);
int row;
QString cylinderName = currCombo.activeText;
if (matches.isEmpty()) {
tanks->insertRows(tanks->rowCount(), 1);
tanks->setData(tanks->index(tanks->rowCount() - 1, 0), currCombo.activeText);
row = tanks->rowCount() - 1;
} else {
row = matches.first().row();
cylinderName = matches.first().data().toString();
}
int tankSize = tanks->data(tanks->index(row, TankInfoModel::ML)).toInt();
int tankPressure = tanks->data(tanks->index(row, TankInfoModel::BAR)).toInt();
mymodel->setData(IDX(CylindersModel::TYPE), cylinderName, Qt::EditRole);
mymodel->passInData(IDX(CylindersModel::WORKINGPRESS), tankPressure);
mymodel->passInData(IDX(CylindersModel::SIZE), tankSize);
}
TankInfoDelegate::TankInfoDelegate(QObject *parent) : ComboBoxDelegate(TankInfoModel::instance(), parent, true)
{
connect(this, SIGNAL(closeEditor(QWidget *, QAbstractItemDelegate::EndEditHint)),
this, SLOT(reenableReplot(QWidget *, QAbstractItemDelegate::EndEditHint)));
}
void TankInfoDelegate::reenableReplot(QWidget*, QAbstractItemDelegate::EndEditHint)
{
MainWindow::instance()->graphics->setReplot(true);
// FIXME: We need to replot after a cylinder is selected but the replot below overwrites
// the newly selected cylinder.
// MainWindow::instance()->graphics->replot();
}
void TankInfoDelegate::revertModelData(QWidget*, QAbstractItemDelegate::EndEditHint hint)
{
if (hint == QAbstractItemDelegate::NoHint ||
hint == QAbstractItemDelegate::RevertModelCache) {
CylindersModel *mymodel = qobject_cast<CylindersModel *>(currCombo.model);
mymodel->setData(IDX(CylindersModel::TYPE), currCylinderData.type, Qt::EditRole);
mymodel->passInData(IDX(CylindersModel::WORKINGPRESS), currCylinderData.pressure);
mymodel->passInData(IDX(CylindersModel::SIZE), currCylinderData.size);
}
}
QWidget *TankInfoDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
// ncreate editor needs to be called before because it will populate a few
// things in the currCombo global var.
QWidget *delegate = ComboBoxDelegate::createEditor(parent, option, index);
CylindersModel *mymodel = qobject_cast<CylindersModel *>(currCombo.model);
cylinder_t *cyl = mymodel->cylinderAt(index);
currCylinderData.type = cyl->type.description;
currCylinderData.pressure = cyl->type.workingpressure.mbar;
currCylinderData.size = cyl->type.size.mliter;
MainWindow::instance()->graphics->setReplot(false);
return delegate;
}
TankUseDelegate::TankUseDelegate(QObject *parent) : QStyledItemDelegate(parent)
{
}
QWidget *TankUseDelegate::createEditor(QWidget * parent, const QStyleOptionViewItem&, const QModelIndex&) const
{
QComboBox *comboBox = new QComboBox(parent);
for (int i = 0; i < NUM_GAS_USE; i++)
comboBox->addItem(gettextFromC::tr(cylinderuse_text[i]));
return comboBox;
}
void TankUseDelegate::setEditorData(QWidget * editor, const QModelIndex & index) const
{
QComboBox *comboBox = qobject_cast<QComboBox*>(editor);
QString indexString = index.data().toString();
comboBox->setCurrentIndex(cylinderuse_from_text(qPrintable(indexString)));
}
void TankUseDelegate::setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const
{
QComboBox *comboBox = qobject_cast<QComboBox*>(editor);
model->setData(index, comboBox->currentIndex());
}
static struct RevertWeightData {
QString type;
int weight;
} currWeight;
void WSInfoDelegate::revertModelData(QWidget*, QAbstractItemDelegate::EndEditHint hint)
{
if (hint == QAbstractItemDelegate::NoHint ||
hint == QAbstractItemDelegate::RevertModelCache) {
WeightModel *mymodel = qobject_cast<WeightModel *>(currCombo.model);
mymodel->setData(IDX(WeightModel::TYPE), currWeight.type, Qt::EditRole);
mymodel->passInData(IDX(WeightModel::WEIGHT), currWeight.weight);
}
}
void WSInfoDelegate::setModelData(QWidget*, QAbstractItemModel*, const QModelIndex&) const
{
WeightModel *mymodel = qobject_cast<WeightModel *>(currCombo.model);
WSInfoModel *wsim = WSInfoModel::instance();
QModelIndexList matches = wsim->match(wsim->index(0, 0), Qt::DisplayRole, currCombo.activeText);
int row;
if (matches.isEmpty()) {
// we need to add this puppy
wsim->insertRows(wsim->rowCount(), 1);
wsim->setData(wsim->index(wsim->rowCount() - 1, 0), currCombo.activeText);
row = wsim->rowCount() - 1;
} else {
row = matches.first().row();
}
int grams = wsim->data(wsim->index(row, WSInfoModel::GR)).toInt();
QVariant v = QString(currCombo.activeText);
mymodel->setData(IDX(WeightModel::TYPE), v, Qt::EditRole);
mymodel->passInData(IDX(WeightModel::WEIGHT), grams);
}
WSInfoDelegate::WSInfoDelegate(QObject *parent) : ComboBoxDelegate(WSInfoModel::instance(), parent, true)
{
}
QWidget *WSInfoDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
/* First, call the combobox-create editor, it will setup our globals. */
QWidget *editor = ComboBoxDelegate::createEditor(parent, option, index);
WeightModel *mymodel = qobject_cast<WeightModel *>(currCombo.model);
weightsystem_t ws = mymodel->weightSystemAt(index);
currWeight.type = ws.description;
currWeight.weight = ws.weight.grams;
return editor;
}
void AirTypesDelegate::revertModelData(QWidget*, QAbstractItemDelegate::EndEditHint)
{
}
void AirTypesDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
if (!index.isValid())
return;
QComboBox *combo = qobject_cast<QComboBox *>(editor);
model->setData(index, QVariant(combo->currentIndex()));
}
AirTypesDelegate::AirTypesDelegate(QObject *parent) : ComboBoxDelegate(GasSelectionModel::instance(), parent, false)
{
}
void DiveTypesDelegate::revertModelData(QWidget*, QAbstractItemDelegate::EndEditHint)
{
}
void DiveTypesDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
if (!index.isValid())
return;
QComboBox *combo = qobject_cast<QComboBox *>(editor);
model->setData(index, QVariant(combo->currentIndex()));
}
DiveTypesDelegate::DiveTypesDelegate(QObject *parent) : ComboBoxDelegate(DiveTypeSelectionModel::instance(), parent, false)
{
}
SpinBoxDelegate::SpinBoxDelegate(int min, int max, int step, QObject *parent):
QStyledItemDelegate(parent),
min(min),
max(max),
step(step)
{
}
QWidget *SpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QSpinBox *w = qobject_cast<QSpinBox*>(QStyledItemDelegate::createEditor(parent, option, index));
w->setRange(min,max);
w->setSingleStep(step);
return w;
}
DoubleSpinBoxDelegate::DoubleSpinBoxDelegate(double min, double max, double step, QObject *parent):
QStyledItemDelegate(parent),
min(min),
max(max),
step(step)
{
}
QWidget *DoubleSpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QDoubleSpinBox *w = qobject_cast<QDoubleSpinBox*>(QStyledItemDelegate::createEditor(parent, option, index));
w->setRange(min,max);
w->setSingleStep(step);
return w;
}
LocationFilterDelegate::LocationFilterDelegate(QObject *) : currentLocation({0, 0})
{
}
void LocationFilterDelegate::setCurrentLocation(location_t loc)
{
currentLocation = loc;
}
void LocationFilterDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &origIdx) const
{
QFont fontBigger = qApp->font();
QFont fontSmaller = qApp->font();
QFontMetrics fmBigger(fontBigger);
QStyleOptionViewItem opt = option;
const QAbstractProxyModel *proxyModel = dynamic_cast<const QAbstractProxyModel*>(origIdx.model());
if (!proxyModel)
return;
QModelIndex index = proxyModel->mapToSource(origIdx);
QStyledItemDelegate::initStyleOption(&opt, index);
QString diveSiteName = index.data().toString();
QString bottomText;
QIcon icon = index.data(Qt::DecorationRole).value<QIcon>();
struct dive_site *ds =
index.model()->data(index.model()->index(index.row(), LocationInformationModel::DIVESITE)).value<dive_site *>();
bool currentDiveHasGPS = has_location(&currentLocation);
//Special case: do not show name, but instead, show
if (index.row() < 2) {
diveSiteName = index.data().toString();
bottomText = index.data(Qt::ToolTipRole).toString();
goto print_part;
}
if (!ds)
return;
for (int i = 0; i < 3; i++) {
if (prefs.geocoding.category[i] == TC_NONE)
continue;
int idx = taxonomy_index_for_category(&ds->taxonomy, prefs.geocoding.category[i]);
if (idx == -1)
continue;
if(!bottomText.isEmpty())
bottomText += " / ";
bottomText += QString(ds->taxonomy.category[idx].value);
}
if (bottomText.isEmpty())
bottomText = printGPSCoords(&ds->location);
if (dive_site_has_gps_location(ds) && currentDiveHasGPS) {
// so we are showing a completion and both the current dive site and the completion
// have a GPS fix... so let's show the distance
if (same_location(&ds->location, &currentLocation)) {
bottomText += tr(" (same GPS fix)");
} else {
int distanceMeters = get_distance(&ds->location, &currentLocation);
QString distance = distance_string(distanceMeters);
int nr = nr_of_dives_at_dive_site(ds);
bottomText += tr(" (~%1 away").arg(distance);
bottomText += tr(", %n dive(s) here)", "", nr);
}
}
if (bottomText.isEmpty()) {
if (currentDiveHasGPS)
bottomText = tr("(no existing GPS data, add GPS fix from this dive)");
else
bottomText = tr("(no GPS data)");
}
bottomText = tr("Pick site: ") + bottomText;
print_part:
fontBigger.setPointSize(fontBigger.pointSize() + 1);
fontBigger.setBold(true);
QPen textPen = QPen(option.state & QStyle::State_Selected ? option.palette.highlightedText().color() : option.palette.text().color(), 1);
initStyleOption(&opt, index);
opt.text = QString();
opt.icon = QIcon();
painter->setClipRect(option.rect);
painter->save();
if (option.state & QStyle::State_Selected) {
painter->setPen(QPen(opt.palette.highlight().color().darker()));
painter->setBrush(opt.palette.highlight());
const int pad = 1;
const int pad2 = pad * 2;
const int rounding = 5;
painter->drawRoundedRect(option.rect.x() + pad,
option.rect.y() + pad,
option.rect.width() - pad2,
option.rect.height() - pad2,
rounding, rounding);
}
painter->setPen(textPen);
painter->setFont(fontBigger);
const int textPad = 5;
painter->drawText(option.rect.x() + textPad, option.rect.y() + fmBigger.boundingRect("YH").height(), diveSiteName);
double pointSize = fontSmaller.pointSizeF();
fontSmaller.setPointSizeF(0.9 * pointSize);
painter->setFont(fontSmaller);
painter->drawText(option.rect.x() + textPad, option.rect.y() + fmBigger.boundingRect("YH").height() * 2, bottomText);
painter->restore();
if (!icon.isNull()) {
painter->save();
painter->drawPixmap(
option.rect.x() + option.rect.width() - 24,
option.rect.y() + option.rect.height() - 24, icon.pixmap(20,20));
painter->restore();
}
}
QSize LocationFilterDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QFont fontBigger = qApp->font();
fontBigger.setPointSize(fontBigger.pointSize());
fontBigger.setBold(true);
QFontMetrics fmBigger(fontBigger);
QFont fontSmaller = qApp->font();
QFontMetrics fmSmaller(fontSmaller);
QSize retSize = QStyledItemDelegate::sizeHint(option, index);
retSize.setHeight(
fmBigger.boundingRect("Yellow House").height() + 5 /*spacing*/ +
fmSmaller.boundingRect("Yellow House").height());
return retSize;
}