guiTools.cpp File Reference

#include <qwidget.h>
#include <qapplication.h>
#include <qstring.h>
#include <qstringlist.h>
#include <qpixmap.h>
#include <QDesktopWidget>
#include "guiTools.h"

Include dependency graph for guiTools.cpp:

Go to the source code of this file.

Macros
#define	SUBALBUM_TEXT_LENGTH   35
#define	PHOTO_TEXT_LENGTH   35

Functions
void	centerWindow (QWidget *window)
QString	clipText (QString string, int lines, int lineWidth)
	clip text to fit within numer of lines and max width More...
QString	clipPhotoText (const QString in)
	clip photo text More...

Macro Definition Documentation

PHOTO_TEXT_LENGTH

#define PHOTO_TEXT_LENGTH   35

Definition at line 23 of file guiTools.cpp.

SUBALBUM_TEXT_LENGTH

#define SUBALBUM_TEXT_LENGTH   35

Definition at line 22 of file guiTools.cpp.

Function Documentation

centerWindow()

void centerWindow

(

QWidget *

window

)

Definition at line 26 of file guiTools.cpp.

{
  //---------------------------------------------------------
  //get size and location of application window
  QRect appRec = qApp->mainWidget()->frameGeometry();
  QRect windowRec = window->frameGeometry();
  //---------------------------------------------------------
  //if new window smaller then application window then center window
  //over application window, otherwise align left/top with application window
  int x, y;
 
  //horizontal alignment
  if(windowRec.width() < appRec.width())
  { x = appRec.x() + ((appRec.width() - windowRec.width())/2); }
  else
  { x = appRec.x(); }
 
  //vertical alignment
  if(windowRec.height() < appRec.height())
  { y = appRec.y() + ((appRec.height() - windowRec.height())/2); }
  else
  { y = appRec.y(); }
  //---------------------------------------------------------
  //ensure window is not off screen, favor top/left sides of window is bigger than screen!
  QRect screen = QApplication::desktop()->availableGeometry();
 
  //right
  if(x + windowRec.width() > screen.width() )
    x = screen.width() - windowRec.width();
 
  //left
  if(x < 0)
    x = 0;
 
  //bottom
  if(y + windowRec.height() > screen.height() )
    y = screen.height() - windowRec.height();
 
  //top
  if(y < 0)
    y = 0;
  //---------------------------------------------------------
  //place window
  window->move( QPoint( x, y) );
}

Referenced by TitleWidget::aboutProgram(), TitleWidget::albumStatistics(), TitleWidget::help(), main(), and TitleWidget::settings().

clipPhotoText()

QString clipPhotoText

(

const QString

in

)

clip photo text

Definition at line 152 of file guiTools.cpp.

{
  if(in.length() > PHOTO_TEXT_LENGTH)
  {
    QString res = in;
    res.truncate(PHOTO_TEXT_LENGTH-3); res = res + "...";
    return res;
  }
  else
    return in;
}

References PHOTO_TEXT_LENGTH.

clipText()

QString clipText	(	QString	string,
		int	lines,
		int	lineWidth
	)

clip text to fit within numer of lines and max width

Definition at line 72 of file guiTools.cpp.

{
  if(lineWidth == 0)
  {
//    cout << "ERROR: given 0 width when clipping: " << string << endl;
    return "";
  }
 
  QString result = "";
  QString building = "";
  QFontMetrics fm( qApp->font() );
 
  //decrement characters off head of string for each line
  while(string.length() > 0 && lines > 0)
  {
    bool spaceFound = false;
    QString line = "";
 
    //while there are character to be popped up
    while(string.length() > 0)
    {
      //if we can afford to add this character, add it to the building string
      //then update the character found, and space found strings
      if(fm.width( QString(line + building + string.at(0) ) )  < lineWidth )
      {
        building = building + string.at(0);
 
        //found a space, add this space and all built up words to the text for this line, no need
        //to wrap what has been found so far
        if(string.at(0) == ' ') // QChar::Separator_Space)
        {
          line = line + building;
          building = "";
          spaceFound = true;
          string = string.remove(0, 1);
          continue;
        }
 
        string = string.remove(0, 1);
        if(string.length() == 0)
        {
          line = line + building;
          building = "";
        }
 
      }
      //uh oh, can't add this character? move to next line
      else
      {
        //if no spaces found up to this point, suck up character so far, we're breaking on this one
        if(!spaceFound || lines == 1)
        {
          if(lines == 1)
            building = building + string;
 
          //if this is the last line then make sure we have enough space for the ...
          line = line + building;
          if(fm.width( line ) >  lineWidth )
          {
            while( fm.width(line + "...") > lineWidth )
            {
              line.truncate( line.length() - 1);
            }
            line = line + "...";
          }
          building = "";
        }
        break;
      }
    }
 
    //move on to next line
    result = result + line;
    line = "";
    lines--;
  }
 
  return result;
}

Referenced by PhotoPreviewWidget::setText(), and SubalbumPreviewWidget::setText().