subsurface/qt-ui/profilegraphics.cpp

1830 lines
50 KiB
C++
Raw Normal View History

#include "profilegraphics.h"
#include "mainwindow.h"
#include "divelistview.h"
#include <QGraphicsScene>
#include <QResizeEvent>
#include <QGraphicsLineItem>
#include <QScrollBar>
#include <QPen>
#include <QBrush>
#include <QDebug>
#include <QLineF>
#include <QSettings>
#include <QIcon>
#include <QPropertyAnimation>
#include <QGraphicsSceneHoverEvent>
#include <QMouseEvent>
#include <QToolBar>
#include <qtextdocument.h>
#include <QMessageBox>
#include <limits>
#include "../color.h"
#include "../display.h"
#include "../dive.h"
#include "../profile.h"
#include "../device.h"
#include "../helpers.h"
#include "../planner.h"
#include "../gettextfromc.h"
#include <libdivecomputer/parser.h>
#include <libdivecomputer/version.h>
static struct graphics_context last_gc;
#if PRINT_IMPLEMENTED
static double plot_scale = SCALE_SCREEN;
#endif
struct text_render_options{
double size;
color_indice_t color;
double hpos, vpos;
};
extern struct ev_select *ev_namelist;
extern int evn_allocated;
extern int evn_used;
#define TOOLBAR_POS \
QPoint(viewport()->geometry().width() - toolBarProxy->boundingRect().width(), \
viewport()->geometry().height() - toolBarProxy->boundingRect().height() )
ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent), toolTip(0) , dive(0), diveDC(0), rulerItem(0), toolBarProxy(0)
{
printMode = false;
isGrayscale = false;
rulerEnabled = false;
gc.printer = false;
fill_profile_color();
setScene(new QGraphicsScene());
scene()->installEventFilter(this);
setRenderHint(QPainter::Antialiasing);
setRenderHint(QPainter::HighQualityAntialiasing);
setRenderHint(QPainter::SmoothPixmapTransform);
defaultPen.setJoinStyle(Qt::RoundJoin);
defaultPen.setCapStyle(Qt::RoundCap);
defaultPen.setWidth(2);
defaultPen.setCosmetic(true);
setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
}
/* since we cannot use translate() directly on the scene we hack on
* the scroll bars (hidden) functionality */
void ProfileGraphicsView::scrollViewTo(const QPoint pos)
{
if (!zoomLevel)
return;
QScrollBar *vs = verticalScrollBar();
QScrollBar *hs = horizontalScrollBar();
const qreal yRat = pos.y() / sceneRect().height();
const qreal xRat = pos.x() / sceneRect().width();
const int vMax = vs->maximum();
const int hMax = hs->maximum();
const int vMin = vs->minimum();
const int hMin = hs->minimum();
/* QScrollBar receives crazy negative values for minimum */
vs->setValue(yRat * (vMax - vMin) + vMin * 0.9);
hs->setValue(xRat * (hMax - hMin) + hMin * 0.9);
}
void ProfileGraphicsView::wheelEvent(QWheelEvent* event)
{
if (!toolTip)
return;
// doesn't seem to work for Qt 4.8.1
// setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
// Scale the view / do the zoom
QPoint toolTipPos = mapFromScene(toolTip->pos());
double scaleFactor = 1.15;
if (event->delta() > 0 && zoomLevel < 20) {
scale(scaleFactor, scaleFactor);
zoomLevel++;
} else if (event->delta() < 0 && zoomLevel > 0) {
// Zooming out
scale(1.0 / scaleFactor, 1.0 / scaleFactor);
zoomLevel--;
}
scrollViewTo(event->pos());
toolTip->setPos(mapToScene(toolTipPos));
toolBarProxy->setPos(mapToScene(TOOLBAR_POS));
if(zoomLevel != 0){
toolBarProxy->hide();
}else{
toolBarProxy->show();
}
}
void ProfileGraphicsView::contextMenuEvent(QContextMenuEvent* event)
{
if(selected_dive == -1)
return;
QMenu m;
QMenu *gasChange = m.addMenu(tr("Add Gas Change"));
GasSelectionModel *model = GasSelectionModel::instance();
model->repopulate();
int rowCount = model->rowCount();
for(int i = 0; i < rowCount; i++){
QAction *action = new QAction(&m);
action->setText( model->data(model->index(i, 0),Qt::DisplayRole).toString());
connect(action, SIGNAL(triggered(bool)), this, SLOT(changeGas()));
action->setData(event->globalPos());
gasChange->addAction(action);
}
QAction *action = m.addAction(tr("Add Bookmark"), this, SLOT(addBookmark()));
action->setData(event->globalPos());
QList<QGraphicsItem*> itemsAtPos = scene()->items(mapToScene(mapFromGlobal(event->globalPos())));
Q_FOREACH(QGraphicsItem *i, itemsAtPos){
EventItem *item = dynamic_cast<EventItem*>(i);
if(!item)
continue;
QAction *action = new QAction(&m);
action->setText(tr("Remove Event"));
action->setData(QVariant::fromValue<void*>(item)); // so we know what to remove.
connect(action, SIGNAL(triggered(bool)), this, SLOT(removeEvent()));
m.addAction(action);
action = new QAction(&m);
action->setText(tr("Hide similar events"));
action->setData(QVariant::fromValue<void*>(item));
connect(action, SIGNAL(triggered(bool)), this, SLOT(hideEvents()));
m.addAction(action);
break;
}
bool some_hidden = false;
for (int i = 0; i < evn_used; i++) {
if (ev_namelist[i].plot_ev == false) {
some_hidden = true;
break;
}
}
if (some_hidden) {
action = m.addAction(tr("Unhide all events"), this, SLOT(unhideEvents()));
action->setData(event->globalPos());
}
m.exec(event->globalPos());
}
void ProfileGraphicsView::addBookmark()
{
QAction *action = qobject_cast<QAction*>(sender());
QPoint globalPos = action->data().toPoint();
QPoint viewPos = mapFromGlobal(globalPos);
QPointF scenePos = mapToScene(viewPos);
int seconds = scenePos.x() / gc.maxx * (gc.rightx - gc.leftx) + gc.leftx;
add_event(current_dc, seconds, SAMPLE_EVENT_BOOKMARK, 0, 0, "bookmark");
mark_divelist_changed(TRUE);
plot(current_dive, TRUE);
}
void ProfileGraphicsView::changeGas()
{
QAction *action = qobject_cast<QAction*>(sender());
QPoint globalPos = action->data().toPoint();
QPoint viewPos = mapFromGlobal(globalPos);
QPointF scenePos = mapToScene(viewPos);
QString gas = action->text();
int o2, he;
validate_gas(gas.toUtf8().constData(), &o2, &he);
int seconds = scenePos.x() / gc.maxx * (gc.rightx - gc.leftx) + gc.leftx;
add_gas_switch_event(current_dive, current_dc, seconds, get_gasidx(current_dive, o2, he));
mark_divelist_changed(TRUE);
plot(current_dive, TRUE);
}
void ProfileGraphicsView::hideEvents()
{
QAction *action = qobject_cast<QAction*>(sender());
EventItem *item = static_cast<EventItem*>(action->data().value<void*>());
struct event *event = item->ev;
if (QMessageBox::question(mainWindow(), TITLE_OR_TEXT(
tr("Hide events"),
tr("Hide all %1 events?").arg(event->name)),
QMessageBox::Ok | QMessageBox::Cancel) == QMessageBox::Ok){
if (event->name) {
for (int i = 0; i < evn_used; i++) {
if (! strcmp(event->name, ev_namelist[i].ev_name)) {
ev_namelist[i].plot_ev = false;
break;
}
}
}
plot(current_dive, TRUE);
}
}
void ProfileGraphicsView::unhideEvents()
{
for (int i = 0; i < evn_used; i++) {
ev_namelist[i].plot_ev = true;
}
plot(current_dive, TRUE);
}
void ProfileGraphicsView::removeEvent()
{
QAction *action = qobject_cast<QAction*>(sender());
EventItem *item = static_cast<EventItem*>(action->data().value<void*>());
struct event *event = item->ev;
if (QMessageBox::question(mainWindow(), TITLE_OR_TEXT(
tr("Remove the selected event?"),
tr("%1 @ %2:%3").arg(event->name)
.arg(event->time.seconds / 60)
.arg(event->time.seconds % 60, 2, 10, QChar('0'))),
QMessageBox::Ok | QMessageBox::Cancel) == QMessageBox::Ok){
struct event **ep = &current_dc->events;
while (ep && *ep != event)
ep = &(*ep)->next;
if (ep) {
*ep = event->next;
free(event);
}
mark_divelist_changed(TRUE);
plot(current_dive, TRUE);
}
}
void ProfileGraphicsView::mouseMoveEvent(QMouseEvent* event)
{
if (!toolTip)
return;
toolTip->refresh(&gc, mapToScene(event->pos()));
QPoint toolTipPos = mapFromScene(toolTip->pos());
scrollViewTo(event->pos());
if (zoomLevel == 0)
QGraphicsView::mouseMoveEvent(event);
else{
toolTip->setPos(mapToScene(toolTipPos));
toolBarProxy->setPos(mapToScene(TOOLBAR_POS));
}
}
bool ProfileGraphicsView::eventFilter(QObject* obj, QEvent* event)
{
if (event->type() == QEvent::Leave) {
if (toolTip && toolTip->isExpanded())
toolTip->collapse();
return true;
}
// This will "Eat" the default tooltip behavior if it is not on the toolBar.
if (event->type() == QEvent::GraphicsSceneHelp) {
if(toolBarProxy && !toolBarProxy->geometry().contains(mapToScene(mapFromGlobal(QCursor::pos())))){
event->ignore();
return true;
}
}
return QGraphicsView::eventFilter(obj, event);
}
#if PRINT_IMPLEMENTED
static void plot_set_scale(scale_mode_t scale)
{
switch (scale) {
default:
case SC_SCREEN:
plot_scale = SCALE_SCREEN;
break;
case SC_PRINT:
plot_scale = SCALE_PRINT;
break;
}
}
#endif
void ProfileGraphicsView::showEvent(QShowEvent* event)
{
// Program just opened,
// but the dive was not ploted.
// force a replot by modifying the dive
// hold by the view, and issuing a plot.
if (dive && !scene()->items().count()) {
dive = 0;
plot(get_dive(selected_dive));
}
if (toolBarProxy)
toolBarProxy->setPos(mapToScene(TOOLBAR_POS));
}
void ProfileGraphicsView::clear()
{
resetTransform();
zoomLevel = 0;
if(toolTip) {
scene()->removeItem(toolTip);
toolTip->deleteLater();
toolTip = 0;
}
if(toolBarProxy) {
scene()->removeItem(toolBarProxy);
toolBarProxy->deleteLater();
toolBarProxy = 0;
}
if(rulerItem) {
remove_ruler();
rulerItem->destNode()->deleteLater();
rulerItem->sourceNode()->deleteLater();
rulerItem->deleteLater();
rulerItem=0;
}
scene()->clear();
}
void ProfileGraphicsView::refresh()
{
clear();
plot(current_dive, TRUE);
}
void ProfileGraphicsView::setPrintMode(bool mode, bool grayscale)
{
printMode = mode;
isGrayscale = grayscale;
}
QColor ProfileGraphicsView::getColor(const color_indice_t i)
{
return profile_color[i].at((isGrayscale) ? 1 : 0);
}
void ProfileGraphicsView::plot(struct dive *d, bool forceRedraw)
{
struct divecomputer *dc = NULL;
if (d)
dc = select_dc(&d->dc);
if (!forceRedraw && dive == d && (d && dc == diveDC))
return;
clear();
dive = d;
diveDC = d ? dc : NULL;
if (!isVisible() || !dive || !mainWindow()) {
return;
}
setBackgroundBrush(getColor(BACKGROUND));
// best place to put the focus stealer code.
setFocusProxy(mainWindow()->dive_list());
scene()->setSceneRect(0,0, viewport()->width()-50, viewport()->height()-50);
toolTip = new ToolTipItem();
installEventFilter(toolTip);
scene()->addItem(toolTip);
if (printMode)
toolTip->setVisible(false);
// Fix this for printing / screen later.
// plot_set_scale(scale_mode_t);
if (!dc || !dc->samples) {
dc = fake_dc(dc);
}
QString nick = get_dc_nickname(dc->model, dc->deviceid);
if (nick.isEmpty())
nick = QString(dc->model);
if (nick.isEmpty())
nick = tr("unknown divecomputer");
if ( tr("unknown divecomputer") == nick){
mode = PLAN;
}else{
mode = DIVE;
}
/*
* Set up limits that are independent of
* the dive computer
*/
calculate_max_limits(dive, dc, &gc);
QRectF profile_grid_area = scene()->sceneRect();
gc.maxx = (profile_grid_area.width() - 2 * profile_grid_area.x());
gc.maxy = (profile_grid_area.height() - 2 * profile_grid_area.y());
/* This is per-dive-computer */
gc.pi = *create_plot_info(dive, dc, &gc, printMode);
/* Bounding box */
QPen pen = defaultPen;
pen.setColor(getColor(TIME_GRID));
QGraphicsRectItem *rect = new QGraphicsRectItem(profile_grid_area);
rect->setPen(pen);
scene()->addItem(rect);
/* Depth profile */
plot_depth_profile();
plot_events(dc);
if (rulerEnabled && !printMode)
create_ruler();
/* Temperature profile */
plot_temperature_profile();
/* Cylinder pressure plot */
plot_cylinder_pressure();
/* Text on top of all graphs.. */
plot_temperature_text();
plot_depth_text();
plot_cylinder_pressure_text();
plot_deco_text();
/* Put the dive computer name in the lower left corner */
gc.leftx = 0; gc.rightx = 1.0;
gc.topy = 0; gc.bottomy = 1.0;
text_render_options_t computer = {DC_TEXT_SIZE, TIME_TEXT, LEFT, TOP};
diveComputer = plot_text(&computer, QPointF(gc.leftx, gc.bottomy), nick);
// The Time ruler should be right after the DiveComputer:
timeMarkers->setPos(0, diveComputer->y());
if (PP_GRAPHS_ENABLED) {
plot_pp_gas_profile();
plot_pp_text();
}
plot_depth_scale();
#if 0
if (gc->printer) {
free(pi->entry);
last_pi_entry = pi->entry = NULL;
pi->nr = 0;
}
#endif
QRectF r = scene()->itemsBoundingRect();
scene()->setSceneRect(r.x() - 15, r.y() -15, r.width() + 30, r.height() + 30);
if (zoomLevel == 0) {
fitInView(sceneRect());
}
toolTip->readPos();
if(mode == PLAN){
timeEditor = new GraphicsTextEditor();
timeEditor->setPlainText( dive->duration.seconds ? QString::number(dive->duration.seconds/60) : tr("Set Duration: 10 minutes"));
timeEditor->setPos(profile_grid_area.width() - timeEditor->boundingRect().width(), timeMarkers->y());
timeEditor->document();
connect(timeEditor, SIGNAL(editingFinished(QString)), this, SLOT(edit_dive_time(QString)));
scene()->addItem(timeEditor);
}
if (!printMode)
addControlItems(d);
if (rulerEnabled && !printMode)
add_ruler();
gc.rightx = get_maxtime(&gc.pi);
}
void ProfileGraphicsView::plot_depth_scale()
{
int i, maxdepth, marker;
static text_render_options_t tro = {DEPTH_TEXT_SIZE, SAMPLE_DEEP, RIGHT, MIDDLE};
/* Depth markers: every 30 ft or 10 m*/
maxdepth = get_maxdepth(&gc.pi);
gc.topy = 0; gc.bottomy = maxdepth;
marker = M_OR_FT(10,30);
/* don't write depth labels all the way to the bottom as
* there may be other graphs below the depth plot (like
* partial pressure graphs) where this would look out
* of place - so we only make sure that we print the next
* marker below the actual maxdepth of the dive */
depthMarkers = new QGraphicsRectItem();
for (i = marker; i <= gc.pi.maxdepth + marker; i += marker) {
double d = get_depth_units(i, NULL, NULL);
plot_text(&tro, QPointF(-0.002, i), QString::number(d), depthMarkers);
}
scene()->addItem(depthMarkers);
depthMarkers->setPos(depthMarkers->pos().x() - 10, 0);
}
void ProfileGraphicsView::addControlItems(struct dive *d)
{
QAction *scaleAction = new QAction(QIcon(":scale"), tr("Scale"), this);
QAction *rulerAction = new QAction(QIcon(":ruler"), tr("Ruler"), this);
QToolBar *toolBar = new QToolBar("", 0);
rulerAction->setToolTip(tr("Measure properties of dive segments"));
scaleAction->setToolTip(tr("Scale your dive to screen size"));
toolBar->addAction(rulerAction);
toolBar->addAction(scaleAction);
toolBar->setOrientation(Qt::Vertical);
//make toolbar transparent
//toolBar->setStyleSheet(QString::fromUtf8 ("background-color: rgba(255,255,255,0);"));
connect(scaleAction, SIGNAL(triggered()), this, SLOT(on_scaleAction()));
connect(rulerAction, SIGNAL(triggered()), this, SLOT(on_rulerAction()));
//Put it into the lower right corner of the profile
QString defaultDC(d->dc.model);
if (defaultDC == "manually added dive" || defaultDC == "planned dive") {
QAction *editAction = new QAction(QIcon(":edit"), tr("Edit"), this);
toolBar->addAction(editAction);
connect(editAction, SIGNAL(triggered()), mainWindow(), SLOT(editCurrentDive()));
}
toolBarProxy = scene()->addWidget(toolBar);
toolBarProxy->setPos(mapToScene(TOOLBAR_POS));
toolBarProxy->setFlag(QGraphicsItem::ItemIgnoresTransformations);
}
void ProfileGraphicsView::plot_pp_text()
{
double pp, dpp, m;
int hpos;
static text_render_options_t tro = {PP_TEXT_SIZE, PP_LINES, LEFT, -0.75};
QGraphicsRectItem *pressureMarkers = new QGraphicsRectItem();
setup_pp_limits(&gc);
pp = floor(gc.pi.maxpp * 10.0) / 10.0 + 0.2;
dpp = pp > 4 ? 0.5 : 0.25;
hpos = gc.pi.entry[gc.pi.nr - 1].sec;
QColor c = getColor(PP_LINES);
bool alt = true;
for (m = 0.0; m <= pp; m += dpp) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(0, m), SCALEGC(hpos, m));
QPen pen(defaultPen);
pen.setColor(c);
if ( QString::number(m).toDouble() != QString::number(m).toInt()){
pen.setStyle(Qt::DashLine);
pen.setWidthF(1.2);
}
item->setPen(pen);
scene()->addItem(item);
qreal textPos = hpos;
if (alt)
plot_text(&tro, QPointF(textPos, m), QString::number(m), pressureMarkers);
alt = !alt;
}
scene()->addItem(pressureMarkers);
pressureMarkers->setPos(pressureMarkers->pos().x() + 10, 0);
}
void ProfileGraphicsView::plot_add_line(int sec, double val, QColor c, QPointF &from)
{
QPointF to = QPointF(SCALEGC(sec, val));
QGraphicsLineItem *item = new QGraphicsLineItem(from.x(), from.y(), to.x(), to.y());
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
from = to;
}
void ProfileGraphicsView::plot_pp_gas_profile()
{
int i;
struct plot_data *entry;
struct plot_info *pi = &gc.pi;
setup_pp_limits(&gc);
QColor c;
QPointF from, to;
QPointF legendPos = QPointF(scene()->sceneRect().width() * 0.4, scene()->sceneRect().height() - scene()->sceneRect().height()*0.02);
if (prefs.pp_graphs.pn2) {
c = getColor(PN2);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->pn2));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->pn2 < prefs.pp_graphs.pn2_threshold)
plot_add_line(entry->sec, entry->pn2, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->pn2));
}
c = getColor(PN2_ALERT);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->pn2));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->pn2 >= prefs.pp_graphs.pn2_threshold)
plot_add_line(entry->sec, entry->pn2, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->pn2));
}
createPPLegend(trUtf8("pN" UTF8_SUBSCRIPT_2),getColor(PN2), legendPos);
}
if (prefs.pp_graphs.phe) {
c = getColor(PHE);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->phe));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->phe < prefs.pp_graphs.phe_threshold)
plot_add_line(entry->sec, entry->phe, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->phe));
}
c = getColor(PHE_ALERT);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->phe));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->phe >= prefs.pp_graphs.phe_threshold)
plot_add_line(entry->sec, entry->phe, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->phe));
}
createPPLegend(trUtf8("pHe"),getColor(PHE), legendPos);
}
if (prefs.pp_graphs.po2) {
c = getColor(PO2);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->po2));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->po2 < prefs.pp_graphs.po2_threshold)
plot_add_line(entry->sec, entry->po2, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->po2));
}
c = getColor(PO2_ALERT);
entry = pi->entry;
from = QPointF(SCALEGC(entry->sec, entry->po2));
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->po2 >= prefs.pp_graphs.po2_threshold)
plot_add_line(entry->sec, entry->po2, c, from);
else
from = QPointF(SCALEGC(entry->sec, entry->po2));
}
createPPLegend(trUtf8("pO" UTF8_SUBSCRIPT_2),getColor(PO2), legendPos);
}
}
void ProfileGraphicsView::createPPLegend(QString title, const QColor& c, QPointF& legendPos)
{
QGraphicsRectItem *rect = new QGraphicsRectItem(0, 0, scene()->sceneRect().width() * 0.01, scene()->sceneRect().width() * 0.01);
rect->setBrush(QBrush(c));
rect->setPos(legendPos);
rect->setPen(QPen(QColor(Qt::transparent)));
QGraphicsSimpleTextItem *text = new QGraphicsSimpleTextItem(title);
text->setPos(legendPos.x() + rect->boundingRect().width() + 5, legendPos.y() );
scene()->addItem(rect);
scene()->addItem(text);
legendPos.setX(text->pos().x() + text->boundingRect().width() + 20);
if(printMode){
QFont f = text->font();
f.setPointSizeF( f.pointSizeF() * 0.7);
text->setFont(f);
}
}
void ProfileGraphicsView::plot_deco_text()
{
if (prefs.profile_calc_ceiling) {
float x = gc.leftx + (gc.rightx - gc.leftx) / 2;
float y = gc.topy = 1.0;
static text_render_options_t tro = {PRESSURE_TEXT_SIZE, PRESSURE_TEXT, CENTER, BOTTOM};
gc.bottomy = 0.0;
plot_text(&tro, QPointF(x, y), QString("GF %1/%2").arg(prefs.gflow).arg(prefs.gfhigh));
}
}
void ProfileGraphicsView::plot_cylinder_pressure_text()
{
int i;
int mbar, cyl;
int seen_cyl[MAX_CYLINDERS] = { FALSE, };
int last_pressure[MAX_CYLINDERS] = { 0, };
int last_time[MAX_CYLINDERS] = { 0, };
struct plot_data *entry;
struct plot_info *pi = &gc.pi;
if (!get_cylinder_pressure_range(&gc))
return;
cyl = -1;
for (i = 0; i < pi->nr; i++) {
entry = pi->entry + i;
mbar = GET_PRESSURE(entry);
if (!mbar)
continue;
if (cyl != entry->cylinderindex) {
cyl = entry->cylinderindex;
if (!seen_cyl[cyl]) {
plot_pressure_value(mbar, entry->sec, LEFT, BOTTOM);
plot_gas_value(mbar, entry->sec, LEFT, TOP,
get_o2(&dive->cylinder[cyl].gasmix),
get_he(&dive->cylinder[cyl].gasmix));
seen_cyl[cyl] = TRUE;
}
}
last_pressure[cyl] = mbar;
last_time[cyl] = entry->sec;
}
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
if (last_time[cyl]) {
plot_pressure_value(last_pressure[cyl], last_time[cyl], CENTER, TOP);
}
}
}
void ProfileGraphicsView::plot_pressure_value(int mbar, int sec, double xalign, double yalign)
{
int pressure;
const char *unit;
pressure = get_pressure_units(mbar, &unit);
static text_render_options_t tro = {PRESSURE_TEXT_SIZE, PRESSURE_TEXT, xalign, yalign};
plot_text(&tro, QPointF(sec, mbar), QString("%1 %2").arg(pressure).arg(unit));
}
void ProfileGraphicsView::plot_gas_value(int mbar, int sec, double xalign, double yalign, int o2, int he)
{
QString gas;
if (is_air(o2, he))
gas = tr("air");
else if (he == 0)
gas = QString(tr("EAN%1")).arg((o2 + 5) / 10);
else
gas = QString("%1/%2").arg((o2 + 5) / 10).arg((he + 5) / 10);
static text_render_options_t tro = {PRESSURE_TEXT_SIZE, PRESSURE_TEXT, xalign, yalign};
plot_text(&tro, QPointF(sec, mbar), gas);
}
void ProfileGraphicsView::plot_depth_text()
{
int maxtime, maxdepth;
/* Get plot scaling limits */
maxtime = get_maxtime(&gc.pi);
maxdepth = get_maxdepth(&gc.pi);
gc.leftx = 0; gc.rightx = maxtime;
gc.topy = 0; gc.bottomy = maxdepth;
plot_text_samples();
}
void ProfileGraphicsView::plot_text_samples()
{
static text_render_options_t deep = {14, SAMPLE_DEEP, CENTER, TOP};
static text_render_options_t shallow = {14, SAMPLE_SHALLOW, CENTER, BOTTOM};
int i;
int last = -1;
struct plot_info* pi = &gc.pi;
for (i = 0; i < pi->nr; i++) {
struct plot_data *entry = pi->entry + i;
if (entry->depth < 2000)
continue;
if ((entry == entry->max[2]) && entry->depth / 100 != last) {
plot_depth_sample(entry, &deep);
last = entry->depth / 100;
}
if ((entry == entry->min[2]) && entry->depth / 100 != last) {
plot_depth_sample(entry, &shallow);
last = entry->depth / 100;
}
if (entry->depth != last)
last = -1;
}
}
void ProfileGraphicsView::plot_depth_sample(struct plot_data *entry,text_render_options_t *tro)
{
int sec = entry->sec, decimals;
double d;
d = get_depth_units(entry->depth, &decimals, NULL);
plot_text(tro, QPointF(sec, entry->depth), QString("%1").arg(d, 0, 'f', 1));
}
void ProfileGraphicsView::plot_temperature_text()
{
int i;
int last = -300, sec = 0;
int last_temperature = 0, last_printed_temp = 0;
plot_info *pi = &gc.pi;
if (!setup_temperature_limits(&gc))
return;
for (i = 0; i < pi->nr; i++) {
struct plot_data *entry = pi->entry+i;
int mkelvin = entry->temperature;
sec = entry->sec;
if (!mkelvin)
continue;
last_temperature = mkelvin;
/* don't print a temperature
* if it's been less than 5min and less than a 2K change OR
* if it's been less than 2min OR if the change from the
* last print is less than .4K (and therefore less than 1F) */
if (((sec < last + 300) && (abs(mkelvin - last_printed_temp) < 2000)) ||
(sec < last + 120) ||
(abs(mkelvin - last_printed_temp) < 400))
continue;
last = sec;
if (mkelvin > 200000)
plot_single_temp_text(sec,mkelvin);
last_printed_temp = mkelvin;
}
/* it would be nice to print the end temperature, if it's
* different or if the last temperature print has been more
* than a quarter of the dive back */
if (last_temperature > 200000 &&
((abs(last_temperature - last_printed_temp) > 500) || ((double)last / (double)sec < 0.75)))
plot_single_temp_text(sec, last_temperature);
}
void ProfileGraphicsView::plot_single_temp_text(int sec, int mkelvin)
{
double deg;
const char *unit;
static text_render_options_t tro = {TEMP_TEXT_SIZE, TEMP_TEXT, LEFT, TOP};
deg = get_temp_units(mkelvin, &unit);
plot_text(&tro, QPointF(sec, mkelvin), QString("%1%2").arg(deg, 0, 'f', 1).arg(unit)); //"%.2g%s"
}
void ProfileGraphicsView::plot_cylinder_pressure()
{
int i;
int last_index = -1;
int lift_pen = FALSE;
int first_plot = TRUE;
if (!get_cylinder_pressure_range(&gc))
return;
QPointF from, to;
for (i = 0; i < gc.pi.nr; i++) {
int mbar;
struct plot_data *entry = gc.pi.entry + i;
mbar = GET_PRESSURE(entry);
if (entry->cylinderindex != last_index) {
lift_pen = TRUE;
}
if (!mbar) {
lift_pen = TRUE;
continue;
}
QColor c = get_sac_color(entry->sac, dive->sac);
if (lift_pen) {
if (!first_plot && entry->cylinderindex == last_index) {
/* if we have a previous event from the same tank,
* draw at least a short line */
int prev_pr;
prev_pr = GET_PRESSURE(entry - 1);
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC((entry-1)->sec, prev_pr), SCALEGC(entry->sec, mbar));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
} else {
first_plot = FALSE;
from = QPointF(SCALEGC(entry->sec, mbar));
}
lift_pen = FALSE;
} else {
to = QPointF(SCALEGC(entry->sec, mbar));
QGraphicsLineItem *item = new QGraphicsLineItem(from.x(), from.y(), to.x(), to.y());
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
from = QPointF(SCALEGC(entry->sec, mbar));
last_index = entry->cylinderindex;
}
}
/* set the color for the pressure plot according to temporary sac rate
* as compared to avg_sac; the calculation simply maps the delta between
* sac and avg_sac to indexes 0 .. (SAC_COLORS - 1) with everything
* more than 6000 ml/min below avg_sac mapped to 0 */
QColor ProfileGraphicsView::get_sac_color(int sac, int avg_sac)
{
int sac_index = 0;
int delta = sac - avg_sac + 7000;
if (!gc.printer) {
sac_index = delta / 2000;
if (sac_index < 0)
sac_index = 0;
if (sac_index > SAC_COLORS - 1)
sac_index = SAC_COLORS - 1;
return getColor((color_indice_t)(SAC_COLORS_START_IDX + sac_index));
}
return getColor(SAC_DEFAULT);
}
void ProfileGraphicsView::plot_events(struct divecomputer *dc)
{
struct event *event = dc->events;
// if (gc->printer) {
// return;
// }
while (event) {
plot_one_event(event);
event = event->next;
}
}
void ProfileGraphicsView::plot_one_event(struct event *ev)
{
int i;
struct plot_info *pi = &gc.pi;
struct plot_data *entry = NULL;
/* is plotting of this event disabled? */
if (ev->name) {
for (i = 0; i < evn_used; i++) {
if (! strcmp(ev->name, ev_namelist[i].ev_name)) {
if (ev_namelist[i].plot_ev)
break;
else
return;
}
}
}
if (ev->time.seconds < 30 && !strcmp(ev->name, "gaschange"))
/* a gas change in the first 30 seconds is the way of some dive computers
* to tell us the gas that is used; let's not plot a marker for that */
return;
for (i = 0; i < pi->nr; i++) {
entry = pi->entry + i;
if (ev->time.seconds < entry->sec)
break;
}
/* If we didn't find the right event, don't dereference null */
if (entry == NULL)
return;
/* draw a little triangular marker and attach tooltip */
int x = SCALEXGC(ev->time.seconds);
int y = SCALEYGC(entry->depth);
EventItem *item = new EventItem(ev, 0, isGrayscale);
item->setPos(x, y);
scene()->addItem(item);
/* we display the event on screen - so translate (with the correct context for events) */
QString name = gettextFromC::instance()->tr(ev->name);
if (ev->value) {
if (ev->name && strcmp(ev->name, "gaschange") == 0) {
int he = get_he(&dive->cylinder[entry->cylinderindex].gasmix);
int o2 = get_o2(&dive->cylinder[entry->cylinderindex].gasmix);
name += ": ";
if (he)
name += QString("%1/%2").arg((o2 + 5) / 10).arg((he + 5) / 10);
else if(is_air(o2, he))
name += tr("air");
else
name += QString(tr("EAN%1")).arg((o2 + 5) / 10);
} else if (ev->name && !strcmp(ev->name, "SP change")) {
name += QString(":%1").arg((double) ev->value / 1000);
} else {
name += QString(":%1").arg(ev->value);
}
} else if (ev->name && name == "SP change") {
name += "\n" + tr("Bailing out to OC");
} else {
name += ev->flags == SAMPLE_FLAGS_BEGIN ? tr(" begin", "Starts with space!") :
ev->flags == SAMPLE_FLAGS_END ? tr(" end", "Starts with space!") : "";
}
//item->setToolTipController(toolTip);
//item->addToolTip(name);
item->setToolTip(name);
}
void ProfileGraphicsView::create_ruler()
{
int x,y;
struct plot_info *pi = &gc.pi;
struct plot_data *data = pi->entry;
RulerNodeItem *first = new RulerNodeItem(0, gc);
RulerNodeItem *second = new RulerNodeItem(0, gc);
x = SCALEXGC(data->sec);
y = data->depth;
first->setPos(x,y);
data = pi->entry+(pi->nr-1);
x = SCALEXGC(data->sec);
y = data->depth;
second->setPos(x,y);
//Make sure that both points already have their entries
first->recalculate();
second->recalculate();
rulerItem = new RulerItem(0, first, second);
first->setRuler(rulerItem);
second->setRuler(rulerItem);
}
void ProfileGraphicsView::add_ruler()
{
if (! scene()->items().contains(rulerItem)) {
scene()->addItem(rulerItem->sourceNode());
scene()->addItem(rulerItem->destNode());
scene()->addItem(rulerItem);
rulerItem->recalculate();
}
}
void ProfileGraphicsView::remove_ruler()
{
if (rulerItem) {
if (scene()->items().contains(rulerItem))
scene()->removeItem(rulerItem);
if (scene()->items().contains(rulerItem->sourceNode()))
scene()->removeItem(rulerItem->sourceNode());
if (scene()->items().contains(rulerItem->destNode()))
scene()->removeItem(rulerItem->destNode());
}
}
void ProfileGraphicsView::plot_depth_profile()
{
int i, incr;
int sec, depth;
struct plot_data *entry;
int maxtime, maxdepth, marker, maxline;
int increments[8] = { 10, 20, 30, 60, 5*60, 10*60, 15*60, 30*60 };
/* Get plot scaling limits */
maxtime = get_maxtime(&gc.pi);
maxdepth = get_maxdepth(&gc.pi);
gc.maxtime = maxtime;
/* Time markers: at most every 10 seconds, but no more than 12 markers.
* We start out with 10 seconds and increment up to 30 minutes,
* depending on the dive time.
* This allows for 6h dives - enough (I hope) for even the craziest
* divers - but just in case, for those 8h depth-record-breaking dives,
* we double the interval if this still doesn't get us to 12 or fewer
* time markers */
i = 0;
while (i < 7 && maxtime / increments[i] > 12)
i++;
incr = increments[i];
while (maxtime / incr > 12)
incr *= 2;
gc.leftx = 0; gc.rightx = maxtime;
gc.topy = 0; gc.bottomy = 1.0;
last_gc = gc;
QColor c = getColor(TIME_GRID);
for (i = incr; i < maxtime; i += incr) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(i, 0), SCALEGC(i, 1));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
timeMarkers = new QGraphicsRectItem();
/* now the text on the time markers */
struct text_render_options tro = {DEPTH_TEXT_SIZE, TIME_TEXT, CENTER, LINE_DOWN};
if (maxtime < 600) {
/* Be a bit more verbose with shorter dives */
for (i = incr; i < maxtime; i += incr)
plot_text(&tro, QPointF(i, 0), QString("%1:%2").arg(i/60).arg(i%60, 2, 10, QChar('0')), timeMarkers);
} else {
/* Only render the time on every second marker for normal dives */
for (i = incr; i < maxtime; i += 2 * incr)
plot_text(&tro, QPointF(i, 0), QString("%1").arg(QString::number(i/60)), timeMarkers);
}
timeMarkers->setPos(0,0);
scene()->addItem(timeMarkers);
/* Depth markers: every 30 ft or 10 m*/
gc.leftx = 0; gc.rightx = 1.0;
gc.topy = 0; gc.bottomy = maxdepth;
marker = M_OR_FT(10,30);
maxline = qMax(gc.pi.maxdepth + marker, maxdepth * 2 / 3);
c = getColor(DEPTH_GRID);
for (i = marker; i < maxline; i += marker) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(0, i), SCALEGC(1, i));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
}
gc.leftx = 0; gc.rightx = maxtime;
c = getColor(MEAN_DEPTH);
/* Show mean depth */
if (! gc.printer) {
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(0, gc.pi.meandepth),
SCALEGC(gc.pi.entry[gc.pi.nr - 1].sec, gc.pi.meandepth));
QPen pen(defaultPen);
pen.setColor(c);
item->setPen(pen);
scene()->addItem(item);
struct text_render_options tro = {DEPTH_TEXT_SIZE, MEAN_DEPTH, LEFT, TOP};
plot_text(&tro, QPointF(gc.leftx, gc.pi.meandepth), QString("%1").arg(QString::number(gc.pi.meandepth / 1000.0, 'f', 1)), item);
tro.hpos = RIGHT;
plot_text(&tro, QPointF(gc.pi.entry[gc.pi.nr - 1].sec, gc.pi.meandepth), QString("%1").arg(QString::number(gc.pi.meandepth / 1000.0, 'f', 1)), item);
}
#if 0
/*
* These are good for debugging text placement etc,
* but not for actual display..
*/
if (0) {
plot_smoothed_profile(gc, pi);
plot_minmax_profile(gc, pi);
}
#endif
/* Do the depth profile for the neat fill */
gc.topy = 0; gc.bottomy = maxdepth;
entry = gc.pi.entry;
QPolygonF p;
QLinearGradient pat(0.0,0.0,0.0,scene()->height());
QGraphicsPolygonItem *neatFill = NULL;
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++)
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
/* Show any ceiling we may have encountered */
if (prefs.profile_dc_ceiling) {
for (i = gc.pi.nr - 1; i >= 0; i--, entry--) {
if (!entry->in_deco) {
/* not in deco implies this is a safety stop, no ceiling */
p.append(QPointF(SCALEGC(entry->sec, 0)));
} else if (entry->stopdepth < entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
}
}
pat.setColorAt(1, getColor(DEPTH_BOTTOM));
pat.setColorAt(0, getColor(DEPTH_TOP));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setBrush(QBrush(pat));
neatFill->setPen(QPen(QBrush(Qt::transparent),0));
scene()->addItem(neatFill);
/* if the user wants the deco ceiling more visible, do that here (this
* basically draws over the background that we had allowed to shine
* through so far) */
if (prefs.profile_dc_ceiling && prefs.profile_red_ceiling) {
p.clear();
pat.setColorAt(0, getColor(CEILING_SHALLOW));
pat.setColorAt(1, getColor(CEILING_DEEP));
entry = gc.pi.entry;
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if (entry->in_deco && entry->stopdepth) {
if (entry->stopdepth < entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
} else {
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
}
neatFill = new QGraphicsPolygonItem();
neatFill->setBrush(QBrush(pat));
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
scene()->addItem(neatFill);
}
/* finally, plot the calculated ceiling over all this */
if (prefs.profile_calc_ceiling) {
pat.setColorAt(0, getColor(CALC_CEILING_SHALLOW));
pat.setColorAt(1, getColor(CALC_CEILING_DEEP));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if (entry->ceiling)
p.append(QPointF(SCALEGC(entry->sec, entry->ceiling)));
else
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
p.append(QPointF(SCALEGC((entry-1)->sec, 0)));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
neatFill->setBrush(pat);
scene()->addItem(neatFill);
}
/* plot the calculated ceiling for all tissues */
if (prefs.profile_calc_ceiling && prefs.calc_all_tissues){
int k;
for (k=0; k<16; k++){
pat.setColorAt(0, getColor(CALC_CEILING_SHALLOW));
pat.setColorAt(1, QColor(100, 100, 100, 50));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++) {
if ((entry->ceilings)[k])
p.append(QPointF(SCALEGC(entry->sec, (entry->ceilings)[k])));
else
p.append(QPointF(SCALEGC(entry->sec, 0)));
}
p.append(QPointF(SCALEGC((entry-1)->sec, 0)));
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setBrush(pat);
scene()->addItem(neatFill);
}
}
/* next show where we have been bad and crossed the dc's ceiling */
if (prefs.profile_dc_ceiling) {
pat.setColorAt(0, getColor(CEILING_SHALLOW));
pat.setColorAt(1, getColor(CEILING_DEEP));
entry = gc.pi.entry;
p.clear();
p.append(QPointF(SCALEGC(0, 0)));
for (i = 0; i < gc.pi.nr; i++, entry++)
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
for (i-- , entry--; i >= 0; i--, entry--) {
if (entry->in_deco && entry->stopdepth > entry->depth) {
p.append(QPointF(SCALEGC(entry->sec, entry->stopdepth)));
} else {
p.append(QPointF(SCALEGC(entry->sec, entry->depth)));
}
}
}
neatFill = new QGraphicsPolygonItem();
neatFill->setPolygon(p);
neatFill->setPen(QPen(QBrush(Qt::NoBrush),0));
neatFill->setBrush(QBrush(pat));
scene()->addItem(neatFill);
/* Now do it again for the velocity colors */
entry = gc.pi.entry;
for (i = 1; i < gc.pi.nr; i++) {
entry++;
sec = entry->sec;
/* we want to draw the segments in different colors
* representing the vertical velocity, so we need to
* chop this into short segments */
depth = entry->depth;
QGraphicsLineItem *item = new QGraphicsLineItem(SCALEGC(entry[-1].sec, entry[-1].depth), SCALEGC(sec, depth));
QPen pen(defaultPen);
pen.setColor(getColor((color_indice_t)(VELOCITY_COLORS_START_IDX + entry->velocity)));
item->setPen(pen);
scene()->addItem(item);
}
}
QGraphicsItemGroup *ProfileGraphicsView::plot_text(text_render_options_t *tro,const QPointF& pos, const QString& text, QGraphicsItem *parent)
{
QFont fnt(font());
QFontMetrics fm(fnt);
if (printMode)
fnt.setPixelSize(tro->size);
QPointF point(SCALEGC(pos.x(), pos.y())); // This is neded because of the SCALE macro.
double dx = tro->hpos * (fm.width(text));
double dy = tro->vpos * (fm.height());
QGraphicsItemGroup *group = new QGraphicsItemGroup(parent);
QPainterPath textPath;
/* addText() uses bottom-left text baseline and the -3 offset is probably slightly off
* for different font sizes. */
textPath.addText(0, fm.height() - 3, fnt, text);
QPainterPathStroker stroker;
stroker.setWidth(3);
QGraphicsPathItem *strokedItem = new QGraphicsPathItem(stroker.createStroke(textPath), group);
strokedItem->setBrush(QBrush(getColor(TEXT_BACKGROUND)));
strokedItem->setPen(Qt::NoPen);
QGraphicsPathItem *textItem = new QGraphicsPathItem(textPath, group);
textItem->setBrush(QBrush(getColor(tro->color)));
textItem->setPen(Qt::NoPen);
group->setPos(point.x() + dx, point.y() + dy);
if (!printMode)
group->setFlag(QGraphicsItem::ItemIgnoresTransformations);
if (!parent)
scene()->addItem(group);
return group;
}
void ProfileGraphicsView::resizeEvent(QResizeEvent *event)
{
refresh();
}
void ProfileGraphicsView::plot_temperature_profile()
{
int last = 0;
if (!setup_temperature_limits(&gc))
return;
QPointF from;
QPointF to;
QColor color = getColor(TEMP_PLOT);
for (int i = 0; i < gc.pi.nr; i++) {
struct plot_data *entry = gc.pi.entry + i;
int mkelvin = entry->temperature;
int sec = entry->sec;
if (!mkelvin) {
if (!last)
continue;
mkelvin = last;
}
if (last) {
to = QPointF(SCALEGC(sec, mkelvin));
QGraphicsLineItem *item = new QGraphicsLineItem(from.x(), from.y(), to.x(), to.y());
QPen pen(defaultPen);
pen.setColor(color);
item->setPen(pen);
scene()->addItem(item);
from = to;
} else {
from = QPointF(SCALEGC(sec, mkelvin));
}
last = mkelvin;
}
}
void ProfileGraphicsView::edit_dive_time(const QString& time)
{
// this should set the full time of the dive.
refresh();
}
void ProfileGraphicsView::on_rulerAction()
{
rulerEnabled = !rulerEnabled;
refresh();
}
void ProfileGraphicsView::on_scaleAction()
{
zoomed_plot = !zoomed_plot;
refresh();
}
void ToolTipItem::addToolTip(const QString& toolTip, const QIcon& icon)
{
QGraphicsPixmapItem *iconItem = 0;
double yValue = title->boundingRect().height() + SPACING;
Q_FOREACH(ToolTip t, toolTips) {
yValue += t.second->boundingRect().height();
}
if (!icon.isNull()) {
iconItem = new QGraphicsPixmapItem(icon.pixmap(ICON_SMALL,ICON_SMALL), this);
iconItem->setPos(SPACING, yValue);
}
QGraphicsSimpleTextItem *textItem = new QGraphicsSimpleTextItem(toolTip, this);
textItem->setPos(SPACING + ICON_SMALL + SPACING, yValue);
textItem->setBrush(QBrush(Qt::white));
textItem->setFlag(ItemIgnoresTransformations);
toolTips.push_back(qMakePair(iconItem, textItem));
expand();
}
void ToolTipItem::refresh(struct graphics_context *gc, QPointF pos)
{
clear();
int time = (pos.x() * gc->maxtime) / gc->maxx;
char buffer[500];
get_plot_details(gc, time, buffer, 500);
addToolTip(QString(buffer));
QList<QGraphicsItem*> items = scene()->items(pos, Qt::IntersectsItemShape, Qt::DescendingOrder, transform());
Q_FOREACH(QGraphicsItem *item, items) {
if (!item->toolTip().isEmpty())
addToolTip(item->toolTip());
}
}
void ToolTipItem::clear()
{
Q_FOREACH(ToolTip t, toolTips) {
delete t.first;
delete t.second;
}
toolTips.clear();
}
void ToolTipItem::setRect(const QRectF& r)
{
// qDeleteAll(childItems());
delete background;
rectangle = r;
setBrush(QBrush(Qt::white));
setPen(QPen(Qt::black, 0.5));
// Creates a 2pixels border
QPainterPath border;
border.addRoundedRect(-4, -4, rectangle.width() + 8, rectangle.height() + 10, 3, 3);
border.addRoundedRect(-1, -1, rectangle.width() + 3, rectangle.height() + 4, 3, 3);
setPath(border);
QPainterPath bg;
bg.addRoundedRect(-1, -1, rectangle.width() + 3, rectangle.height() + 4, 3, 3);
QColor c = QColor(Qt::black);
c.setAlpha(155);
QGraphicsPathItem *b = new QGraphicsPathItem(bg, this);
b->setFlag(ItemStacksBehindParent);
b->setFlags(ItemIgnoresTransformations);
b->setBrush(c);
b->setPen(QPen(QBrush(Qt::transparent), 0));
b->setZValue(-10);
background = b;
updateTitlePosition();
}
void ToolTipItem::collapse()
{
QPropertyAnimation *animation = new QPropertyAnimation(this, "rect");
animation->setDuration(100);
animation->setStartValue(nextRectangle);
animation->setEndValue(QRect(0, 0, ICON_SMALL, ICON_SMALL));
animation->start(QAbstractAnimation::DeleteWhenStopped);
clear();
status = COLLAPSED;
}
void ToolTipItem::expand()
{
if (!title)
return;
double width = 0, height = title->boundingRect().height() + SPACING;
Q_FOREACH(ToolTip t, toolTips) {
if (t.second->boundingRect().width() > width)
width = t.second->boundingRect().width();
height += t.second->boundingRect().height();
}
/* Left padding, Icon Size, space, right padding */
width += SPACING + ICON_SMALL + SPACING + SPACING;
if (width < title->boundingRect().width() + SPACING*2)
width = title->boundingRect().width() + SPACING*2;
if (height < ICON_SMALL)
height = ICON_SMALL;
nextRectangle.setWidth(width);
nextRectangle.setHeight(height);
QPropertyAnimation *animation = new QPropertyAnimation(this, "rect");
animation->setDuration(100);
animation->setStartValue(rectangle);
animation->setEndValue(nextRectangle);
animation->start(QAbstractAnimation::DeleteWhenStopped);
status = EXPANDED;
}
ToolTipItem::ToolTipItem(QGraphicsItem* parent): QGraphicsPathItem(parent), background(0)
{
title = new QGraphicsSimpleTextItem(tr("Information"), this);
separator = new QGraphicsLineItem(this);
setFlags(ItemIgnoresTransformations | ItemIsMovable | ItemClipsChildrenToShape);
status = COLLAPSED;
updateTitlePosition();
setZValue(99);
}
ToolTipItem::~ToolTipItem()
{
clear();
}
void ToolTipItem::updateTitlePosition()
{
if (rectangle.width() < title->boundingRect().width() + SPACING*4) {
QRectF newRect = rectangle;
newRect.setWidth(title->boundingRect().width() + SPACING*4);
newRect.setHeight((newRect.height() && isExpanded()) ? newRect.height() : ICON_SMALL);
setRect(newRect);
}
title->setPos(boundingRect().width()/2 - title->boundingRect().width()/2 -1, 0);
title->setFlag(ItemIgnoresTransformations);
title->setPen(QPen(Qt::white, 1));
title->setBrush(Qt::white);
if (toolTips.size() > 0) {
double x1 = 3;
double y1 = title->pos().y() + SPACING/2 + title->boundingRect().height();
double x2 = boundingRect().width() - 10;
double y2 = y1;
separator->setLine(x1, y1, x2, y2);
separator->setFlag(ItemIgnoresTransformations);
separator->setPen(QPen(Qt::white));
separator->show();
} else {
separator->hide();
}
}
bool ToolTipItem::isExpanded() {
return status == EXPANDED;
}
void ToolTipItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
{
persistPos();
QGraphicsPathItem::mouseReleaseEvent(event);
}
void ToolTipItem::persistPos()
{
QPoint currentPos = scene()->views().at(0)->mapFromScene(pos());
QSettings s;
s.beginGroup("ProfileMap");
s.setValue("tooltip_position", currentPos);
s.endGroup();
}
void ToolTipItem::readPos()
{
QSettings s;
s.beginGroup("ProfileMap");
QPointF value = scene()->views().at(0)->mapToScene(
s.value("tooltip_position").toPoint()
);
if (!scene()->sceneRect().contains(value)){
value = QPointF(0,0);
}
setPos(value);
}
QColor EventItem::getColor(const color_indice_t i)
{
return profile_color[i].at((isGrayscale) ? 1 : 0);
}
EventItem::EventItem(struct event *ev, QGraphicsItem* parent, bool grayscale): QGraphicsPixmapItem(parent), ev(ev), isGrayscale(grayscale)
{
if(ev->name && (strcmp(ev->name, "bookmark") == 0 || strcmp(ev->name, "heading") == 0)) {
setPixmap( QPixmap(QString(":flag")).scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation));
} else {
setPixmap( QPixmap(QString(":warning")).scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation));
}
}
RulerNodeItem::RulerNodeItem(QGraphicsItem *parent, graphics_context context) : QGraphicsEllipseItem(parent), gc(context), entry(NULL) , ruler(NULL)
{
setRect(QRect(QPoint(-8,8),QPoint(8,-8)));
setBrush(QColor(0xff, 0, 0, 127));
setPen(QColor("#FF0000"));
setFlag(QGraphicsItem::ItemIsMovable);
setFlag(ItemSendsGeometryChanges);
setFlag(ItemIgnoresTransformations);
}
void RulerNodeItem::setRuler(RulerItem *r)
{
ruler = r;
}
void RulerNodeItem::recalculate()
{
struct plot_info *pi = &gc.pi;
struct plot_data *data = pi->entry+(pi->nr-1);
uint16_t count = 0;
if (x() < 0) {
setPos(0, y());
}
else if (x() > SCALEXGC(data->sec)) {
setPos(SCALEXGC(data->sec), y());
}
else {
data = pi->entry;
count=0;
while (SCALEXGC(data->sec) < x() && count < pi->nr) {
data = pi->entry+count;
count++;
}
setPos(SCALEGC(data->sec, data->depth));
entry=data;
}
}
QVariant RulerNodeItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
if(change == ItemPositionHasChanged) {
recalculate();
if(ruler != NULL)
ruler->recalculate();
if (scene()) {
scene()->update();
}
}
return QGraphicsEllipseItem::itemChange(change, value);
}
RulerItem::RulerItem(QGraphicsItem *parent, RulerNodeItem *sourceNode, RulerNodeItem *destNode) : QGraphicsObject(parent), source(sourceNode), dest(destNode)
{
recalculate();
}
void RulerItem::recalculate()
{
char buffer[500];
QPointF tmp;
QFont font;
QFontMetrics fm(font);
if (source == NULL || dest == NULL)
return;
prepareGeometryChange();
startPoint = mapFromItem(source, 0, 0);
endPoint = mapFromItem(dest, 0, 0);
if (startPoint.x() > endPoint.x()) {
tmp = endPoint;
endPoint = startPoint;
startPoint = tmp;
}
QLineF line(startPoint, endPoint);
compare_samples(source->entry, dest->entry, buffer, 500, 1);
text = QString(buffer);
QRect r = fm.boundingRect(QRect(QPoint(10,-1*INT_MAX), QPoint(line.length()-10, 0)), Qt::TextWordWrap, text);
if (r.height() < 10)
height = 10;
else
height = r.height();
QLineF line_n = line.normalVector();
line_n.setLength(height);
if (scene()) {
/* Determine whether we draw down or upwards */
if (scene()->sceneRect().contains(line_n.p2()) &&
scene()->sceneRect().contains(endPoint+QPointF(line_n.dx(),line_n.dy())))
paint_direction = -1;
else
paint_direction = 1;
}
}
RulerNodeItem *RulerItem::sourceNode() const
{
return source;
}
RulerNodeItem *RulerItem::destNode() const
{
return dest;
}
void RulerItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QLineF line(startPoint, endPoint);
QLineF line_n = line.normalVector();
painter->setPen(QColor(Qt::black));
painter->setBrush(Qt::NoBrush);
line_n.setLength(height);
if (paint_direction == 1)
line_n.setAngle(line_n.angle()+180);
painter->drawLine(line);
painter->drawLine(line_n);
painter->drawLine(line_n.p1() + QPointF(line.dx(), line.dy()), line_n.p2() + QPointF(line.dx(), line.dy()));
//Draw Text
painter->save();
painter->translate(startPoint.x(), startPoint.y());
painter->rotate(line.angle()*-1);
if (paint_direction == 1)
painter->translate(0, height);
painter->setPen(Qt::black);
painter->drawText(QRectF(QPointF(10,-1*height), QPointF(line.length()-10, 0)), Qt::TextWordWrap, text);
painter->restore();
}
QRectF RulerItem::boundingRect() const
{
return shape().controlPointRect();
}
QPainterPath RulerItem::shape() const
{
QPainterPath path;
QLineF line(startPoint, endPoint);
QLineF line_n = line.normalVector();
line_n.setLength(height);
if (paint_direction == 1)
line_n.setAngle(line_n.angle()+180);
path.moveTo(startPoint);
path.lineTo(line_n.p2());
path.lineTo(line_n.p2() + QPointF(line.dx(), line.dy()));
path.lineTo(endPoint);
path.lineTo(startPoint);
return path;
}
GraphicsTextEditor::GraphicsTextEditor(QGraphicsItem* parent): QGraphicsTextItem(parent)
{
}
void GraphicsTextEditor::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
{
// Remove the proxy filter so we can focus here.
mainWindow()->graphics()->setFocusProxy(0);
setTextInteractionFlags(Qt::TextEditorInteraction | Qt::TextEditable);
}
void GraphicsTextEditor::keyReleaseEvent(QKeyEvent* event)
{
if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return){
setTextInteractionFlags(Qt::NoTextInteraction);
emit editingFinished( toPlainText() );
mainWindow()->graphics()->setFocusProxy(mainWindow()->dive_list());
return;
}
emit textChanged( toPlainText() );
QGraphicsTextItem::keyReleaseEvent(event);
}