FontButton

Introduction

The FontButton widget allow the user to select a font from all available fonts in the system.

Constructor

• FontButton(Composite parent, int style)
  • parent a widget which will be the parent of the new widget.
  • style the style of widget to construct.

Methods

• FontData getFontData() returns the selected font data object.
• void setFontData(final FontData fontData) sets the initial font data. If no font data is set the system font is used.
• RGB getFontColor() gets the selected font color or null if no color chooser factory is set.
• void setFontColor(final RGB fontColor) sets the initial font color. The font color is only used when a color chooser factory is defined.
• void setColorChooserFactory(final IColorChooserFactory factory) sets the factory for creating the color chooser.
• boolean chooseFont() opens the font selection popup (for use inside a selection listener).
• void setDropDownArrowVisible(boolean) switch visibility of drop down arrow.
• boolean isDropDownArrowVisible() returns the visibility of drop down arrow.

Example: select font only

...
final FontButton button = new FontButton(shell, SWT.NONE);
button.setText("  Select Font  ");
button.setFontConsumer(fd -> {
  [ consume selected font data here ]
});
...

Example: select font and color

...
final FontButton button = new FontButton(shell, SWT.NONE);
button.setText("  Select Font  ");
button.setColorChooserFactory(new ColorChooserRGB.Factory(ColorResolution.Minimal));
button.setFontConsumer((fd, rgb) -> {
  [ consume selected font data and color here ]
});
...

Example: handling font selection with SelectionListener

...
final FontButton button = new FontButton(shell, SWT.NONE);
button.setText("  Select Font  ");

// allow color selection
button.setColorChooserFactory(new ColorChooserHSB.Factory(ColorResolution.Maximal, true, true));

// add selection listener
button.addListener(SWT.Selection, e -> {
  // sets the initial font and color
  button.setFontData(shell.getFont().getFontData()[0]);
  button.setFontColor(shell.getForeground().getRGB());

  // open the font chooser popup
  if (chooseFont()) {
    // get selected font and color
    final FontData fd = button.getFontData();
    final RGB rgb = button.getFontColor();

    [ consume selected font data and color here ]
  }
});
...