src/interface/vapiGtkMessages.c

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#include <glade/glade.h>
#include <gtk/gtk.h>
#include "vapiString.h"
#include "vapiAux.h"

#define NUMBER_OF_LINES_TO_RECORD 40
static GtkWidget *txtMessages;
static GtkWidget *txtErrors;
static GMutex *MessageBufferMutex;
typedef struct _vTempMessages
{
        char *Message;
        int type;

} vTempMessages;


gboolean vapiGtkWriteMessageIdle (vTempMessages * TempMessages);

void
vapiGtkMessagesInit (GladeXML * xml)
{
        txtMessages = glade_xml_get_widget (xml, "txtMessages");
        txtErrors = glade_xml_get_widget (xml, "txtErrors");
        if (!g_thread_supported ())
        {
                g_thread_init (NULL);
        }
        MessageBufferMutex = g_mutex_new ();
}

void
vapiGtkWriteMessage (const char *Message, int type)
{
        vTempMessages *TempMessages = malloc (sizeof (vTempMessages));
        TempMessages->Message = v_printf ("%s", Message);
        TempMessages->type = type;
        g_idle_add ((GSourceFunc) & vapiGtkWriteMessageIdle, TempMessages);
}

gboolean
vapiGtkWriteMessageIdle (vTempMessages * TempMessages)
{
        GtkTextBuffer *textBuffer;
        GtkWidget *textBox;
        GtkTextIter iter, iter2, iter3;
        int lines;
        g_mutex_lock (MessageBufferMutex);
        if (TempMessages->type == v_ERROR || TempMessages->type == v_ERROR_UI)
        {
                textBox = txtErrors;
        }
        else
        {
                textBox = txtMessages;
        }
        textBuffer = gtk_text_view_get_buffer ((GtkTextView *) textBox);
        lines = gtk_text_buffer_get_line_count (textBuffer);
        if (lines > NUMBER_OF_LINES_TO_RECORD)
        {
                gtk_text_buffer_get_start_iter (textBuffer, &iter);
                gtk_text_buffer_get_iter_at_line (textBuffer, &iter2,
                                                  (lines -
                                                   NUMBER_OF_LINES_TO_RECORD));
                gtk_text_buffer_delete (textBuffer, &iter, &iter2);
        }

        if (lines <= 1)
        {
                gtk_text_buffer_set_text (textBuffer,
                                          TempMessages->Message, -1);
        }
        else
        {
                gtk_text_buffer_get_end_iter (textBuffer, &iter3);
                gtk_text_buffer_insert (textBuffer, &iter3,
                                        TempMessages->Message, -1);
        }

        free (TempMessages->Message);
        free (TempMessages);
        g_mutex_unlock (MessageBufferMutex);

        return FALSE;
}

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