#include "weightgraphview.h"
#include "settings.h"
-#include <QPainter>
+#include <cmath>
+#include <limits>
#include <QDebug>
+#include <QPainter>
#include <QTimer>
-#include <cmath>
#include <QtGui/QX11Info>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
void WeightGraphView::keyPressEvent(QKeyEvent* event)
{
- //qDebug() << "Key pressed: " << event->key();
switch (event->key()) {
case Qt::Key_F7:
decPeriod();
QWidget::keyPressEvent(event);
}
-// Macros to transform dates and weights to paintdevice coords
-#define D_X(d) ((d)*qreal(width())/days)
-#define DW_X(dw) D_X(f.daysTo((dw).date))
-#define W_Y(w) (height()*(maxW-(w))/weightInterval)
-#define DW_Y(dw) W_Y((dw).weight)
+// X-coordinate of QDate / DateWeigth
+#define DATE_X(d) ((d)*qreal(width())/days)
+#define DW_X(dw) DATE_X(f.daysTo((dw).date))
+
+// Y-coordinate of Weight / DateWeight
+#define WEIGHT_Y(w) (height()*(maxW-(w))/weightInterval)
+#define DW_Y(dw) WEIGHT_Y((dw).weight)
+
+// Coordinate point of DateWeight
#define DW_POINT(dw) QPointF(DW_X(dw), DW_Y(dw))
-inline double weightIntervalToMult(double wi)
-{
- if (wi <= 0.2) return 0.01;
- else if (wi <= 0.5) return 0.025;
- else if (wi <= 1.0) return 0.05;
- else if (wi <= 2.0) return 0.1;
- else if (wi <= 5.0) return 0.25;
- else if (wi <= 10.0) return 0.5;
- else if (wi <= 20.0) return 1.0;
- else if (wi <= 50.0) return 2.5;
- else if (wi <= 100.0) return 5.0;
- else if (wi <= 200.0) return 10.0;
- else if (wi <= 500.0) return 25.0;
- else if (wi <= 1000.0) return 50.0;
- else return 100.0;
+namespace {
+ inline double weightIntervalToMult(double wi)
+ {
+ if (wi <= 0.2) return 0.01;
+ else if (wi <= 0.5) return 0.025;
+ else if (wi <= 1.0) return 0.05;
+ else if (wi <= 2.0) return 0.1;
+ else if (wi <= 5.0) return 0.25;
+ else if (wi <= 10.0) return 0.5;
+ else if (wi <= 20.0) return 1.0;
+ else if (wi <= 50.0) return 2.5;
+ else if (wi <= 100.0) return 5.0;
+ else if (wi <= 200.0) return 10.0;
+ else if (wi <= 500.0) return 25.0;
+ else if (wi <= 1000.0) return 50.0;
+ else return 100.0;
+ }
}
void WeightGraphView::paintEvent(QPaintEvent *)
{
+ // TODO: split this monster function!
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
}
else {
bool firstFound = false;
- min = 1e30;
- max = -1e30;
+ min = std::numeric_limits<double>::max();
+ max = std::numeric_limits<double>::min();
const QDate &l = allWeights.last().date;
for(int i=0; i < allWeights.size(); i++) {
if (period == 0 || firstFound || allWeights[i].date.daysTo(l) <= period) {
painter.setPen(Qt::NoPen);
painter.setBrush(QColor(0,255,0,100));
painter.setClipRect(QRectF(0,0,width(),height()));
- painter.drawRect(QRectF(QPointF(0, W_Y(Settings::goalWeightMax())),
- QPointF(width(), W_Y(Settings::goalWeightMin()))));
+ painter.drawRect(QRectF(QPointF(0, WEIGHT_Y(Settings::goalWeightMax())),
+ QPointF(width(), WEIGHT_Y(Settings::goalWeightMin()))));
painter.setClipping(false);
painter.setPen(oldPen);
painter.setBrush(oldBrush);
int count = 0;
for(double w=ceil(minW/mult)*mult; w < maxW; w += mult, count++) {
double len = count%5==0 ? 7.0 : 4.0;
- painter.drawLine(QPointF(-len,W_Y(w)),QPointF(len,W_Y(w)));
+ painter.drawLine(QPointF(-len,WEIGHT_Y(w)),QPointF(len,WEIGHT_Y(w)));
if (count%5 == 0) {
QPen p = painter.pen();
painter.setPen(QColor(50,50,50));
- painter.drawLine(QPointF(len,W_Y(w)),QPointF(width(),W_Y(w)));
+ painter.drawLine(QPointF(len,WEIGHT_Y(w)),QPointF(width(),WEIGHT_Y(w)));
painter.setPen(p);
QString text = tr("%1").arg(double(w),0,'f', mult <= 0.25 ? 2 : 1);
QSize textSize = painter.fontMetrics().size(0, text);
- painter.drawText(QPointF(-len-3-textSize.width(), W_Y(w)+6), text);
+ painter.drawText(QPointF(-len-3-textSize.width(), WEIGHT_Y(w)+6), text);
}
}
QString text = f.addDays(day).toString(Qt::ISODate);
QSize textSize = painter.fontMetrics().size(0, text);
double tickLen;
- if (D_X(day)-textSize.width()/2 > endOfLastDate + 10) {
+ if (DATE_X(day)-textSize.width()/2 > endOfLastDate + 10) {
tickLen = 5.0;
- painter.drawText(QPointF(D_X(day)-textSize.width()/2,
- W_Y(minW)+18), text);
- endOfLastDate = D_X(day)+textSize.width()/2;
+ painter.drawText(QPointF(DATE_X(day)-textSize.width()/2,
+ WEIGHT_Y(minW)+18), text);
+ endOfLastDate = DATE_X(day)+textSize.width()/2;
}
else
tickLen = 3.0;
- painter.drawLine(QPointF(D_X(day), W_Y(minW)-tickLen),
- QPointF(D_X(day), W_Y(minW)+tickLen));
+ painter.drawLine(QPointF(DATE_X(day), WEIGHT_Y(minW)-tickLen),
+ QPointF(DATE_X(day), WEIGHT_Y(minW)+tickLen));
}
// The weight data
void WeightGraphView::show()
{
QWidget::show();
- grabZoomKeys(Settings::grabZoomKeys()); //Need to be regrabbed somewhy
- //Work around a bug: hidden graphs don't update. Must wait for the
+ grabZoomKeysForWindow(winId(), Settings::grabZoomKeys()); //Need to be regrabbed somewhy
+ //Work around a bug: hidden graphs don't update - must wait for the
//graph to actually show up, then call update.
QTimer *tmp = new QTimer(this);
tmp->setSingleShot(true);
tmp->start();
}
-void WeightGraphView::grabZoomKeys(bool grab)
+void WeightGraphView::update() {
+ grabZoomKeysForWindow(winId(), Settings::grabZoomKeys());
+ QWidget::update();
+}
+
+void WeightGraphView::grabZoomKeys(bool grab) {
+ WeightGraphView::grabZoomKeysForWindow(winId(), grab);
+}
+void WeightGraphView::grabZoomKeysForWindow(WId winId, bool grab)
{
- if (!winId()) {
+ if (!winId) {
qWarning("Can't grab keys unless we have a window id");
return;
}
unsigned long val = (grab) ? 1 : 0;
Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
if (!atom) {
- qWarning("Unable to obtain _HILDON_ZOOM_KEY_ATOM. This example will only work "
- "on a Maemo 5 device!");
+ qWarning("Unable to obtain _HILDON_ZOOM_KEY_ATOM. Is this Maemo 5?");
return;
}
+ XChangeProperty (QX11Info::display(), winId, atom, XA_INTEGER, 32,
+ PropModeReplace, reinterpret_cast<unsigned char *>(&val), 1);
+}
- XChangeProperty (QX11Info::display(),
- winId(),
- atom,
- XA_INTEGER,
- 32,
- PropModeReplace,
- reinterpret_cast<unsigned char *>(&val),
- 1);
+namespace {
+ int getNumberOfDaysBetweenFirstAndLastEntry(WeightDataModel *wdm) {
+ QDate first = wdm->getWeights().first().date;
+ QDate last = wdm->getWeights().last().date;
+ return first.daysTo(last);
+ }
+}
- //qDebug() << "Grabbed for winId " << winId();
+#define PERIOD_CHANGE_FACTOR 0.05
+void WeightGraphView::incPeriod() {
+ if (period == 0)
+ period = getNumberOfDaysBetweenFirstAndLastEntry(wdm) + 1;
+ else
+ period += qMax(1, int(period*PERIOD_CHANGE_FACTOR));
+ update();
+}
+void WeightGraphView::decPeriod() {
+ if (period == 0)
+ period = getNumberOfDaysBetweenFirstAndLastEntry(wdm) - 1;
+ else
+ period = qMax(2, qMin(period-1, int(period*(1-PERIOD_CHANGE_FACTOR))));
+ update();
}
projects / weightgraph / blobdiff