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Display XPM Images in a Scrolled Window

Ven, 04/03/2005 - 16:02 — Joachim Werner

This snippet loads all the XPM pictures it can find in its directory, and displays them horizontally in a scrolled window, as thumbnails.

<?php
/**
* pixmaps_example.php
*
* Loads all xpm pictures in the script directory
* and displays it horizontally in a scrolled window.
*
* (C) 2005 Joachim Werner
* joachim.werner@diggin-data.de
*/

if( !extension_loaded('gtk')) {   
    dl( 'php_gtk.' . PHP_SHLIB_SUFFIX);
}

$window = &new GtkWindow();
$window->connect('destroy', 'shutdown');
$window->connect('delete-event', 'delete_event');
$window->set_title( "XPM Viewer" );

// landscape window
$window->set_usize( 400, 150 );
$window->set_border_width( 10 );
$window->set_position(GTK_WIN_POS_CENTER);
$window->realize();

$sw = &new GtkScrolledWindow();

$hbox = &new GtkHBox();

// Make all xpm buttons within the HBox homogenous:
$hbox->set_homogeneous(TRUE);

// Add all xpm's in this script's directory
$counter = AddXPMs(dirname( __FILE__), $window, $hbox);

// Alert, if no xpm files were found
if( $counter==0 ) {
    $label = &new GtkLabel( "$counter xpm's found in "
      . dirname( __FILE__) );
    $hbox->pack_start( $label );
}

$sw->add_with_viewport($hbox);
$window->add($sw);
$window->show_all();

gtk::main();

// {{{ AddXPMs
/**
* Adds all XPM files in $startdir to the $window's $hbox
*/
function AddXPMs ($startdir, &$window, &$hbox) {
  $clTrans = &new GdkColor('#000000' );
 
  // get an object to the start directory
  $d = dir( $startdir );
 
  $counter = 0;
  // loop through all entries
  while($entry=$d->read()) {
    // if we found an XPM file
    if( substr( $entry, -4) == ".xpm") {
      $counter++;
      echo "$entry\n";
   
      $arPix = gdk::pixmap_create_from_xpm(
        $window->window,
        $clTrans,
        $d->path . "/" . $entry );
     
      // Create a pixmap
      $pxmBdB = & new GtkPixmap( $arPix[0], $arPix[1] );
      $pxmBdB->padding = 20;

      // Create a button
      $btn = &new GtkButton();
      // Add pixmap to button
      $btn->add($pxmBdB);
      // Add button to the HBox
      $hbox->pack_start($btn);
      }
    }
  $d->close();
  return $counter;
}
// }}}

function delete_event() {
  return false;
}

function shutdown() {
  print("Shutting down...\n");
  gtk::main_quit();
}
?>