Difference between revisions of "Custom splashscreen with text"

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{{LangSwitch}}
 
[[Category:snippets]]
 
[[Category:snippets]]
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Snippet how to create a splashscreen with opacity and dynamic text.
  
= Custom splashscreen with text =
 
  
Snippet how to create a splashscreen with opacity and dynamic text:<br />[[Image:http://img.mobypicture.com/aa470873918e7804b36e6fb037e5b0b0_view.jpg|screencap]]
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In main.cpp:
  
Example of main:<br /><code>QPixmap splashImage(&quot;:images/splash.png&amp;quot;);<br />QPixmap splashMask(&quot;:images/splashmask.png&amp;quot;);
 
  
customSplashScreen '''splash = new customSplashScreen(splashImage);<br />splash-&gt;setMessageRect(QRect::QRect(7, 253, 415, 14), Qt::AlignCenter); // Setting the message position.
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<code>
<br />QFont splashFont;<br />splashFont.setFamily(&quot;Arial&amp;quot;);<br />splashFont.setBold(true);<br />splashFont.setPixelSize(9);<br />splashFont.setStretch(125);
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QPixmap splashImage(":images/splash.png");
<br />splash-&gt;setFont(splashFont);<br />splash-&gt;setMask(splashMask);<br />splash-&gt;setWindowFlags(Qt::WindowStaysOnTopHint | Qt::SplashScreen);<br />splash-&gt;show();
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QPixmap splashMask(":images/splashmask.png");
<br />/''' To intercept mousclick to hide splash screen. Since the<br />splash screen is typically displayed before the event loop<br />has started running, it is necessary to periodically call. '''/<br />app.processEvents();
 
<br />splash-&gt;showStatusMessage(QObject::tr(&quot;Initializing…&quot;));
 
<br />/''' Some code here */
 
  
 +
customSplashScreen* splash = new customSplashScreen(splashImage);
 +
splash->setMessageRect(QRect::QRect(7, 253, 415, 14), Qt::AlignCenter); // Setting the message position.
 +
 +
QFont splashFont;
 +
splashFont.setFamily("Arial");
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splashFont.setBold(true);
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splashFont.setPixelSize(9);
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splashFont.setStretch(125);
 +
 +
splash->setFont(splashFont);
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splash->setMask(splashMask);
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splash->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::SplashScreen);
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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();
 
app.processEvents();
  
splash-&gt;showStatusMessage(QObject::tr(&quot;Loading something…&quot;));</code>
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splash->showStatusMessage(QObject::tr("Initializing…"));
 +
 
 +
/* Some code here */
 +
 
 +
app.processEvents();
 +
 
 +
splash->showStatusMessage(QObject::tr("Loading something…"));
 +
</code>
 +
 
 +
 
 +
customSplashScreen.h:
  
customSplashScreen.h:<br /><code>#ifndef CUSTOMSPLASHSCREEN_H<br />#define CUSTOMSPLASHSCREEN_H
 
  
#include &lt;QSplashScreen&amp;gt;<br />#include &lt;QPainter&amp;gt;
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<code>
 +
#ifndef CUSTOMSPLASHSCREEN_H
 +
#define CUSTOMSPLASHSCREEN_H
  
class customSplashScreen<br /> :public QSplashScreen<br />{
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#include <QSplashScreen>
 +
#include <QPainter>
  
public:<br /> customSplashScreen(const QPixmap&amp;amp; pixmap);<br /> ~customSplashScreen();<br /> virtual void drawContents(QPainter *painter);<br /> void showStatusMessage(const QString &amp;message, const QColor &amp;color = Qt::black);<br /> void setMessageRect(QRect rect, int alignment = Qt::AlignLeft);
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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;
 +
};
  
private:<br /> QString message;<br /> int alignement;<br /> QColor color;<br /> QRect rect;<br />};
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#endif // CUSTOMSPLASHSCREEN_H
 +
</code>
  
#endif // CUSTOMSPLASHSCREEN_H</code>
 
  
customSplashScreen.cpp:<br /><code>#include &quot;customSplashScreen.h&amp;quot;
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customSplashScreen.cpp:
  
customSplashScreen::customSplashScreen(const QPixmap&amp;amp; pixmap)<br />{<br /> QSplashScreen::setPixmap(pixmap);<br />};
 
  
customSplashScreen::~customSplashScreen()<br />{<br />};
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<code>
 +
#include "customSplashScreen.h"
  
void customSplashScreen::drawContents(QPainter *painter)<br />{<br /> QPixmap textPix = QSplashScreen::pixmap();<br /> painter-&gt;setPen(this-&gt;color);<br /> painter-&gt;drawText(this-&gt;rect, this-&gt;alignement, this-&gt;message);<br />};
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customSplashScreen::customSplashScreen(const QPixmap& pixmap)  
 +
{
 +
  QSplashScreen::setPixmap(pixmap);
 +
};
  
void customSplashScreen::showStatusMessage(const QString &amp;message, const QColor &amp;color)<br />{<br /> this-&gt;message = message;<br /> this-&gt;color = color;<br /> this-&gt;showMessage(this-&gt;message, this-&gt;alignement, this-&gt;color);<br />};
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customSplashScreen::~customSplashScreen()
 +
{
 +
};
  
void customSplashScreen::setMessageRect(QRect rect, int alignement)<br />{<br /> this-&gt;rect = rect;<br /> this-&gt;alignement = alignement;<br />};</code>
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void customSplashScreen::drawContents(QPainter *painter)
 +
{
 +
    QPixmap textPix = QSplashScreen::pixmap();
 +
    painter->setPen(this->color);
 +
    painter->drawText(this->rect, this->alignement, this->message);
 +
};
  
Splash PNG:<br />[[Image:http://img.mobypicture.com/4ffeff271423757e1833f553a292bd1c_view.jpg|splash]]
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void customSplashScreen::showStatusMessage(const QString &message, const QColor &color)
 +
{
 +
    this->message = message;
 +
    this->color = color;
 +
    this->showMessage(this->message, this->alignement, this->color);
 +
};
  
Mask PNG:
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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;
};