#include <glade/glade.h>
#include <ctype.h>
+#include "xalloc.h"
+
struct output_viewer
{
struct editor_window parent;
static struct output_viewer *the_output_viewer = NULL;
+int viewer_length = 16;
+int viewer_width = 59;
/* Callback for the "delete" action (clicking the x on the top right
hand corner of the window) */
}
+/* Sets width and length according to the new size
+ of the output window */
+static void
+on_textview_resize (GtkWidget *widget,
+ GtkAllocation *allocation,
+ gpointer user_data)
+{
+ PangoContext * context ;
+ PangoLayout *layout ;
+ PangoRectangle logical;
+ GtkStyle *style;
+ gint right_margin, left_margin;
+ GtkTextView *text_view = GTK_TEXT_VIEW (widget);
+
+ context = gtk_widget_create_pango_context (widget);
+ layout = pango_layout_new (context);
+
+ style = gtk_widget_get_style (widget);
+
+ pango_layout_set_font_description (layout, style->font_desc);
+
+ /* Find the width of one character. We can use any character, because
+ the textview has a monospaced font */
+ pango_layout_set_text (layout, "M", 1);
+
+ pango_layout_get_extents (layout, NULL, &logical);
+
+ left_margin = gtk_text_view_get_left_margin (text_view);
+ right_margin = gtk_text_view_get_right_margin (text_view);
+
+ viewer_length = allocation->height / PANGO_PIXELS (logical.height);
+ viewer_width = (allocation->width - right_margin - left_margin)
+ / PANGO_PIXELS (logical.width);
+
+ g_object_unref (G_OBJECT (layout));
+ g_object_unref (G_OBJECT (context));
+}
+
+
+
/*
Create a new output viewer
*/
pango_font_description_free (font_desc);
}
+ g_signal_connect (ov->textview, "size-allocate",
+ G_CALLBACK (on_textview_resize), NULL);
+
ov->fp = NULL;
g_signal_connect (get_widget_assert (xml,"help_about"),
reload_viewer (struct output_viewer *ov)
{
GtkTextIter end_iter;
- char line[OUTPUT_LINE_WIDTH];
+ static char *line = NULL;
GtkTextMark *mark ;
gboolean chars_inserted = FALSE;
}
}
+ line = xrealloc (line, sizeof (char) * (viewer_width + 1));
+
gtk_text_buffer_get_end_iter (ov->buffer, &end_iter);
mark = gtk_text_buffer_create_mark (ov->buffer, NULL, &end_iter, TRUE);
/* Read in the next lot of text */
- while (fgets (line, OUTPUT_LINE_WIDTH, ov->fp) != NULL)
+ while (fgets (line, viewer_width + 1, ov->fp) != NULL)
{
chars_inserted = TRUE;
gtk_text_buffer_insert (ov->buffer, &end_iter, line, -1);