us_font.cpp

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#include "us_font.h"
#include "us_gui_settings.h"

US_Font::US_Font( QWidget* w, Qt::WindowFlags flags ) 
   : US_Widgets( true, w, flags )
{
   // Frame layout
   setPalette( US_GuiSettings::frameColor() );
   setWindowTitle( "Font Selection Dialog" );
   setAttribute( Qt::WA_DeleteOnClose );
 
   QBoxLayout* topbox = new QVBoxLayout( this );
   topbox->setSpacing( 2 );

   // Body
   pb_font = us_pushbutton( tr( "Select Base Font" ) );
   topbox->addWidget( pb_font );
   connect( pb_font, SIGNAL( clicked() ), SLOT( selectFont() ) );

   lbl_family = us_label( tr( "Current Family:" ), -1 );
   lbl_family->setFixedHeight( BUTTON_H );
   
   QGridLayout* lineGrid = new QGridLayout();
   
   le_family = us_lineedit( US_GuiSettings::fontFamily(), -1, true );
   
   int row = 0;

   lineGrid->addWidget( lbl_family, row  , 0 );
   lineGrid->addWidget( le_family , row++, 1 );

   size = us_label( tr( "Point Size:" ), -1 );
   size->setFixedHeight( BUTTON_H );
  
   le_pointSize = us_lineedit( QString::number( US_GuiSettings::fontSize() ),
         -1, true );

   lineGrid->addWidget( size        , row  , 0 );
   lineGrid->addWidget( le_pointSize, row++, 1 );

   samples = us_banner( tr( "Selected Font Samples:" ) );
   lineGrid->addWidget( samples, row++, 0, 1, 2 );

   small = us_label( tr( "Small Font Sample" ), -1 );
   lineGrid->addWidget( small, row++, 0, 1, 2 );

   regular = us_label( tr( "Regular Font Sample" ) );
   lineGrid->addWidget( regular, row++, 0, 1, 2 );

   regularBold = us_label( tr( "Regular Font Sample, Bold" ), 0, QFont::Bold );
   lineGrid->addWidget( regularBold, row++, 0, 1, 2 );

   large = us_label( tr( "Large Font Sample" ), +1 );
   lineGrid->addWidget( large, row++, 0, 1, 2 );

   largeBold = us_label( tr( "Large Font Sample, Bold" ), +1, QFont::Bold );
   lineGrid->addWidget( largeBold, row++, 0, 1, 2 );

   title = us_label( tr( "Title Font Sample" ), +2, QFont::Bold );
   lineGrid->addWidget( title, row++, 0, 1, 2 );

   topbox->addLayout( lineGrid );

   pb_default = us_pushbutton( tr( "Select Default" ) );
   connect( pb_default, SIGNAL( clicked() ), SLOT( setDefault() ) );
   topbox->addWidget( pb_default );

   pb_save = us_pushbutton( tr( "Save" ) );
   connect( pb_save, SIGNAL( clicked() ), SLOT( save() ) );

   pb_help = us_pushbutton( tr( "Help" ) );
   connect( pb_help, SIGNAL( clicked() ), SLOT( help() ) );

   pb_cancel = us_pushbutton( tr( "Close" ) );
   connect( pb_cancel, SIGNAL( clicked() ), SLOT( close() ) );

   QBoxLayout* buttons = new QHBoxLayout();

   buttons->addWidget( pb_save   );
   buttons->addWidget( pb_help   );
   buttons->addWidget( pb_cancel );

  topbox->addLayout( buttons );
}

void US_Font::setDefault( void )
{
   le_family   ->setText( "Helvetica" );
   le_pointSize->setText( QString::number( 10 ) );

   redraw();
}


void US_Font::save()
{
   US_GuiSettings::set_fontFamily( le_family->text() );
   US_GuiSettings::set_fontSize( le_pointSize->text().toInt() );

   QMessageBox::information( this,
      tr( "Settings Saved" ),
      tr( "The settings were successfully saved.\n"
          "Changes will be applied in new windows." ) );
}

void US_Font::help()
{
   US_Help* help = new US_Help();
   help->show_help( "manual/usfont.html" );
}

void US_Font::selectFont()
{
   bool ok;

   QFont oldFont = QFont( US_GuiSettings::fontFamily(), US_GuiSettings::fontSize() );
   QFont newFont = QFontDialog::getFont( &ok, oldFont, this, "Select a Font" );

   if ( ! ok ) return;

   le_family   ->setText( newFont.family() );
   le_pointSize->setText( QString::number( newFont.pointSize() ) );

   redraw();
}

void US_Font::redraw( void )
{
   QString family    = le_family->text();
   int     pointSize = le_pointSize->text().toInt();


   le_family   ->setFont( QFont( family, pointSize                  ) );
   le_pointSize->setFont( QFont( family, pointSize                  ) );
   lbl_family  ->setFont( QFont( family, pointSize                  ) );
   size        ->setFont( QFont( family, pointSize                  ) );
   samples     ->setFont( QFont( family, pointSize                  ) );

   small       ->setFont( QFont( family, pointSize - 1              ) );
   regular     ->setFont( QFont( family, pointSize                  ) );
   regularBold ->setFont( QFont( family, pointSize,     QFont::Bold ) );
   large       ->setFont( QFont( family, pointSize + 1              ) );
   largeBold   ->setFont( QFont( family, pointSize + 1, QFont::Bold ) );
   title       ->setFont( QFont( family, pointSize + 2, QFont::Bold ) );
   pb_default  ->setFont( QFont( family, pointSize + 1 ) );
   pb_save     ->setFont( QFont( family, pointSize + 1 ) );
   pb_font     ->setFont( QFont( family, pointSize + 1 ) );
   pb_help     ->setFont( QFont( family, pointSize + 1 ) );
   pb_cancel   ->setFont( QFont( family, pointSize + 1 ) );

   this->repaint();
}