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#include <string.h>
#include "nptext.h"
void show_header_button_callback( GtkWidget *widget, gpointer data )
{
NP_Text *text = ( NP_Text *)data;
if ( text->header_shown == -2 )
{
text->show_message( "There is no message currently loaded." );
return;
}
if ( text->header_shown < 0 )
{
text->show_message( "Message is a header-only news article. The "
"header is already shown." );
while( text->message_window != NULL )
while( gtk_events_pending() )
gtk_main_iteration();
return;
}
int len;
char *pointer;
if ( text->header_shown ^= 1 )
{
pointer = text->text;
len = strlen( text->text ) + 1;
}
else
{
pointer = strstr( text->text, "\r\n\r\n" );
if ( pointer != NULL )
{
pointer += 4;
len = strlen( pointer ) + 1;
}
else
{
pointer = text->text;
len = strlen( text->text ) + 1;
}
}
int old_len = gtk_text_get_length( GTK_TEXT( text->text_widget ));
gtk_text_freeze( GTK_TEXT( text->text_widget ));
gtk_text_set_point( GTK_TEXT( text->text_widget ), 0 );
gtk_text_forward_delete( GTK_TEXT( text->text_widget ), old_len );
gtk_text_insert( GTK_TEXT( text->text_widget ), NULL, NULL, NULL,
pointer, len );
gtk_text_thaw( GTK_TEXT( text->text_widget ));
return;
}
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