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Dynamic ToolTipItem metrics

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Instead of hard-coding the icon sizes and spacing, compute them from the
font sizes, that Qt auto-computes from the displya DPI.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Giuseppe Bilotta 2014-10-15 15:30:47 +02:00 • committed by Dirk Hohndel
parent 0171368b6d
commit d8f756fe14
2 changed files with 40 additions and 21 deletions
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48
qt-ui/profile/divetooltipitem.cpp
View file

@ -18,25 +18,27 @@
#include "display.h"
#endif
ToolTipItem::IconMetrics ToolTipItem::iconMetrics = { -1, -1, -1, -1 };
void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon, const QPixmap *pixmap)
{
QGraphicsPixmapItem *iconItem = 0, *pixmapItem = 0;
double yValue = title->boundingRect().height() + SPACING;
double yValue = title->boundingRect().height() + iconMetrics.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);
iconItem = new QGraphicsPixmapItem(icon.pixmap(iconMetrics.small, iconMetrics.small), this);
iconItem->setPos(iconMetrics.spacing, yValue);
} else {
if (pixmap && !pixmap->isNull()) {
pixmapItem = new QGraphicsPixmapItem(*pixmap, this);
pixmapItem->setPos(SPACING, yValue);
pixmapItem->setPos(iconMetrics.spacing, yValue);
}
}
QGraphicsSimpleTextItem *textItem = new QGraphicsSimpleTextItem(toolTip, this);
textItem->setPos(SPACING + ICON_SMALL + SPACING, yValue);
textItem->setPos(iconMetrics.spacing + iconMetrics.small + iconMetrics.spacing, yValue);
textItem->setBrush(QBrush(Qt::white));
textItem->setFlag(ItemIgnoresTransformations);
toolTips.push_back(qMakePair(iconItem, textItem));
@ -89,7 +91,7 @@ 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->setEndValue(QRect(0, 0, iconMetrics.small, iconMetrics.small));
animation->start(QAbstractAnimation::DeleteWhenStopped);
clear();
@ -101,20 +103,20 @@ void ToolTipItem::expand()
if (!title)
return;
double width = 0, height = title->boundingRect().height() + SPACING;
double width = 0, height = title->boundingRect().height() + iconMetrics.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;
width += iconMetrics.spacing + iconMetrics.small + iconMetrics.spacing + iconMetrics.spacing;
if (width < title->boundingRect().width() + SPACING * 2)
width = title->boundingRect().width() + SPACING * 2;
if (width < title->boundingRect().width() + iconMetrics.spacing * 2)
width = title->boundingRect().width() + iconMetrics.spacing * 2;
if (height < ICON_SMALL)
height = ICON_SMALL;
if (height < iconMetrics.small)
height = iconMetrics.small;
nextRectangle.setWidth(width);
nextRectangle.setHeight(height);
@ -136,6 +138,20 @@ ToolTipItem::ToolTipItem(QGraphicsItem *parent) : QGraphicsPathItem(parent),
timeAxis(0),
lastTime(-1)
{
// compute icon size, by rounding the font height to the nearest multiple of
// 16 (small), and setting medium, big and spacing proportionally
if (iconMetrics.small == -1) {
int height = QFontMetrics(title->font()).height();
iconMetrics.small = (height + 8)/16;
iconMetrics.small *= 16;
// enforce a minimum small
if (iconMetrics.small < 16)
iconMetrics.small = 16;
iconMetrics.medium = iconMetrics.small + iconMetrics.small/2;
iconMetrics.big = iconMetrics.small*2;
iconMetrics.spacing = iconMetrics.small/4;
}
memset(&pInfo, 0, sizeof(pInfo));
setFlags(ItemIgnoresTransformations | ItemIsMovable | ItemClipsChildrenToShape);
@ -150,10 +166,10 @@ ToolTipItem::~ToolTipItem()
void ToolTipItem::updateTitlePosition()
{
if (rectangle.width() < title->boundingRect().width() + SPACING * 4) {
if (rectangle.width() < title->boundingRect().width() + iconMetrics.spacing * 4) {
QRectF newRect = rectangle;
newRect.setWidth(title->boundingRect().width() + SPACING * 4);
newRect.setHeight((newRect.height() && isExpanded()) ? newRect.height() : ICON_SMALL);
newRect.setWidth(title->boundingRect().width() + iconMetrics.spacing * 4);
newRect.setHeight((newRect.height() && isExpanded()) ? newRect.height() : iconMetrics.small);
setRect(newRect);
}
@ -164,7 +180,7 @@ void ToolTipItem::updateTitlePosition()
if (toolTips.size() > 0) {
double x1 = 3;
double y1 = title->pos().y() + SPACING / 2 + title->boundingRect().height();
double y1 = title->pos().y() + iconMetrics.spacing / 2 + title->boundingRect().height();
double x2 = boundingRect().width() - 10;
double y2 = y1;

13
qt-ui/profile/divetooltipitem.h
View file

@ -27,11 +27,12 @@ public:
COLLAPSED,
EXPANDED
};
enum {
ICON_SMALL = 16,
ICON_MEDIUM = 24,
ICON_BIG = 32,
SPACING = 4
struct IconMetrics {
int small;
int medium;
int big;
int spacing;
};
explicit ToolTipItem(QGraphicsItem *parent = 0);
@ -67,6 +68,8 @@ private:
int lastTime;
QList<QGraphicsItem*> oldSelection;
static IconMetrics iconMetrics;
};
#endif // DIVETOOLTIPITEM_H