alecs/plasma-framework
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add dpi function from theme

Browse Source 
printScreenInfo() has the debugging prints for now, removes random crap
from the shell output.
This commit is contained in:
Sebastian Kügler 2014-01-22 01:36:30 +01:00
parent b89902c3e7
commit d51711edc6
2 changed files with 47 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
src/declarativeimports/plasmacomponents/units.cpp
View File

@ -23,6 +23,9 @@
#include <QDebug>
#include <QDesktopWidget>
#include <QtGlobal>
#include <QQuickItem>
#include <QQuickWindow>
#include <QScreen>
#include <cmath>
#include <KIconLoader>
@ -113,14 +116,47 @@ qreal Units::gu(qreal value) const
void Units::themeChanged()
{
const int gridUnit = QFontMetrics(QApplication::font()).boundingRect("M").height();
qDebug() << "FontMetrics: " << QApplication::font().pixelSize() << QFontMetrics(QApplication::font()).boundingRect("M");
qDebug() << " MRect" << QFontMetrics(QApplication::font()).boundingRect("M").size();
qDebug() << " like spacing" << QFontMetrics(QApplication::font()).boundingRect("M").size().height();
if (gridUnit != m_gridUnit) {
m_gridUnit = gridUnit;
emit gridUnitChanged();
}
}
qreal Units::dpi(QQuickItem* item)
{
int _dpi = 96;
if (item) {
QScreen* screen = item->window()->screen();
if (screen) {
_dpi = screen->physicalDotsPerInch();
}
}
return _dpi;
}
void Units::printScreenInfo(QQuickItem* item)
{
int _dpi = dpi(item);
qDebug() << " ----- printScreenInfo() ---- ";
if (item) {
QScreen* screen = item->window()->screen();
if (screen) {
qDebug() << "screen geo: " << screen->availableGeometry();
_dpi = screen->physicalDotsPerInch();
qDebug() << " refreshRate : " << screen->refreshRate();
qDebug() << " devicePixelRatio: " << screen->devicePixelRatio();
qDebug() << " depth : " << screen->depth();
qDebug() << " dpi X: " << screen->physicalDotsPerInchX();
qDebug() << " dpi Y: " << screen->physicalDotsPerInchY();
qDebug() << " ->> dpi: " << _dpi;
}
}
qDebug() << "FontMetrics: " << QApplication::font().pointSize() << QFontMetrics(QApplication::font()).boundingRect("M");
qDebug() << " MRect" << QFontMetrics(QApplication::font()).boundingRect("M").size();
qDebug() << " gridUnit: " << QFontMetrics(QApplication::font()).boundingRect("M").size().height();
}
#include "units.moc"

8
src/declarativeimports/plasmacomponents/units.h
View File

@ -25,6 +25,8 @@
#include <Plasma/Theme>
class QQuickItem;
class Units : public QObject
{
Q_OBJECT
@ -68,6 +70,12 @@ public:
*/
Q_INVOKABLE qreal gu(qreal value) const;
/**
* @returns the dpi value for the item's screen
*/
Q_INVOKABLE qreal dpi(QQuickItem *item);
Q_INVOKABLE void printScreenInfo(QQuickItem *item);
Q_SIGNALS:
void dpiScaleChanged();