Custom splashscreen with text: Difference between revisions
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{{LangSwitch}} | |||
[[Category:snippets]] | |||
Snippet how to create a splashscreen with opacity and dynamic text. | |||
In main.cpp: | |||
<code> | |||
QPixmap splashImage(":images/splash.png"); | |||
QPixmap splashMask(":images/splashmask.png"); | |||
customSplashScreen* splash = new customSplashScreen(splashImage); | |||
splash->setMessageRect(QRect::QRect(7, 253, 415, 14), Qt::AlignCenter); // Setting the message position. | |||
QFont splashFont; | |||
splashFont.setFamily("Arial"); | |||
splashFont.setBold(true); | |||
splashFont.setPixelSize(9); | |||
splashFont.setStretch(125); | |||
splash->setFont(splashFont); | |||
splash->setMask(splashMask); | |||
splash->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::SplashScreen); | |||
splash->show(); | |||
* | /* To intercept mousclick to hide splash screen. Since the | ||
splash screen is typically displayed before the event loop | |||
has started running, it is necessary to periodically call. */ | |||
app.processEvents(); | |||
splash->showStatusMessage(QObject::tr("Initializing…")); | |||
/* Some code here */ | |||
app.processEvents(); | |||
splash->showStatusMessage(QObject::tr("Loading something…")); | |||
</code> | |||
customSplashScreen.h: | |||
<code> | |||
#ifndef CUSTOMSPLASHSCREEN_H | |||
#define CUSTOMSPLASHSCREEN_H | |||
#include <QSplashScreen> | |||
#include <QPainter> | |||
class customSplashScreen : public QSplashScreen | |||
{ | |||
public: | |||
customSplashScreen(const QPixmap& pixmap); | |||
~customSplashScreen(); | |||
virtual void drawContents(QPainter *painter); | |||
void showStatusMessage(const QString &message, const QColor &color = Qt::black); | |||
void setMessageRect(QRect rect, int alignment = Qt::AlignLeft); | |||
private: | |||
QString message; | |||
int alignement; | |||
QColor color; | |||
QRect rect; | |||
}; | |||
#endif // CUSTOMSPLASHSCREEN_H | |||
</code> | |||
customSplashScreen.cpp: | |||
<code> | |||
#include "customSplashScreen.h" | |||
customSplashScreen::customSplashScreen(const QPixmap& pixmap) | |||
{ | |||
QSplashScreen::setPixmap(pixmap); | |||
}; | |||
customSplashScreen::~customSplashScreen() | |||
{ | |||
}; | |||
void customSplashScreen::drawContents(QPainter *painter) | |||
{ | |||
QPixmap textPix = QSplashScreen::pixmap(); | |||
painter->setPen(this->color); | |||
painter->drawText(this->rect, this->alignement, this->message); | |||
}; | |||
void customSplashScreen::showStatusMessage(const QString &message, const QColor &color) | |||
{ | |||
this->message = message; | |||
this->color = color; | |||
this->showMessage(this->message, this->alignement, this->color); | |||
}; | |||
void customSplashScreen::setMessageRect(QRect rect, int alignement) | |||
{ | |||
this->rect = rect; | |||
this->alignement = alignement; | |||
}; | |||
</code> |
Latest revision as of 13:26, 28 June 2015
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Snippet how to create a splashscreen with opacity and dynamic text.
In main.cpp:
QPixmap splashImage(":images/splash.png");
QPixmap splashMask(":images/splashmask.png");
customSplashScreen* splash = new customSplashScreen(splashImage);
splash->setMessageRect(QRect::QRect(7, 253, 415, 14), Qt::AlignCenter); // Setting the message position.
QFont splashFont;
splashFont.setFamily("Arial");
splashFont.setBold(true);
splashFont.setPixelSize(9);
splashFont.setStretch(125);
splash->setFont(splashFont);
splash->setMask(splashMask);
splash->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::SplashScreen);
splash->show();
/* To intercept mousclick to hide splash screen. Since the
splash screen is typically displayed before the event loop
has started running, it is necessary to periodically call. */
app.processEvents();
splash->showStatusMessage(QObject::tr("Initializing…"));
/* Some code here */
app.processEvents();
splash->showStatusMessage(QObject::tr("Loading something…"));
customSplashScreen.h:
#ifndef CUSTOMSPLASHSCREEN_H
#define CUSTOMSPLASHSCREEN_H
#include <QSplashScreen>
#include <QPainter>
class customSplashScreen : public QSplashScreen
{
public:
customSplashScreen(const QPixmap& pixmap);
~customSplashScreen();
virtual void drawContents(QPainter *painter);
void showStatusMessage(const QString &message, const QColor &color = Qt::black);
void setMessageRect(QRect rect, int alignment = Qt::AlignLeft);
private:
QString message;
int alignement;
QColor color;
QRect rect;
};
#endif // CUSTOMSPLASHSCREEN_H
customSplashScreen.cpp:
#include "customSplashScreen.h"
customSplashScreen::customSplashScreen(const QPixmap& pixmap)
{
QSplashScreen::setPixmap(pixmap);
};
customSplashScreen::~customSplashScreen()
{
};
void customSplashScreen::drawContents(QPainter *painter)
{
QPixmap textPix = QSplashScreen::pixmap();
painter->setPen(this->color);
painter->drawText(this->rect, this->alignement, this->message);
};
void customSplashScreen::showStatusMessage(const QString &message, const QColor &color)
{
this->message = message;
this->color = color;
this->showMessage(this->message, this->alignement, this->color);
};
void customSplashScreen::setMessageRect(QRect rect, int alignement)
{
this->rect = rect;
this->alignement = alignement;
};