Ejemplo n.º 1
0
static void begin_print(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
{
	DocInfo *dinfo = user_data;
	PangoFontDescription *desc;

	if (dinfo == NULL)
		return;

	gtk_widget_show(main_widgets.progressbar);

	/* init dinfo fields */

	/* setup printing scintilla object */
	dinfo->sci = editor_create_widget(dinfo->doc->editor);
	scintilla_send_message(dinfo->sci, SCI_SETDOCPOINTER, 0,
			scintilla_send_message(dinfo->doc->editor->sci, SCI_GETDOCPOINTER, 0, 0));
	highlighting_set_styles(dinfo->sci, dinfo->doc->file_type);
	sci_set_line_numbers(dinfo->sci, printing_prefs.print_line_numbers, 0);
	scintilla_send_message(dinfo->sci, SCI_SETVIEWWS, SCWS_INVISIBLE, 0);
	scintilla_send_message(dinfo->sci, SCI_SETVIEWEOL, FALSE, 0);
	scintilla_send_message(dinfo->sci, SCI_SETEDGEMODE, EDGE_NONE, 0);
	scintilla_send_message(dinfo->sci, SCI_SETPRINTMAGNIFICATION, (uptr_t) -2, 0); /* WTF? */
	scintilla_send_message(dinfo->sci, SCI_SETPRINTCOLOURMODE, SC_PRINT_COLOURONWHITE, 0);

	dinfo->pages = g_array_new(FALSE, FALSE, sizeof(gint));

	dinfo->print_time = time(NULL);
	/* create a PangoLayout to be commonly used in add_page_header() and draw_page() */
	desc = pango_font_description_from_string(interface_prefs.editor_font);
	dinfo->layout = setup_pango_layout(context, desc);
	pango_font_description_free(desc);
	get_text_dimensions(dinfo->layout, "|XMfjgq_" /* reasonably representative character set */,
		NULL, &dinfo->line_height);
	get_text_dimensions(dinfo->layout, "99999 " /* Scintilla resets the margin to the width of "99999" when printing */,
		&dinfo->margin_width, NULL);
	/* setup dinfo->fr */
	setup_range(dinfo, context);
}
Ejemplo n.º 2
0
static void begin_print(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
{
	DocInfo *dinfo = user_data;
	PangoFontDescription *desc;
	gint i;
	gint style_max;

	if (dinfo == NULL)
		return;

	gtk_widget_show(main_widgets.progressbar);

	desc = pango_font_description_from_string(interface_prefs.editor_font);

	/* init dinfo fields */
	dinfo->lines = sci_get_line_count(dinfo->doc->editor->sci);
	dinfo->lines_per_page = 0;
	dinfo->cur_line = 0;
	dinfo->cur_pos = 0;
	dinfo->long_line = FALSE;
	dinfo->print_time = time(NULL);
	dinfo->max_line_number_margin = get_line_numbers_arity(dinfo->lines) + 1;
	/* increase font width by 1 (looks better) */
	dinfo->font_width = get_font_width(context, desc) + 1;
	/* create a PangoLayout to be commonly used in get_page_count and draw_page */
	dinfo->layout = setup_pango_layout(context, desc);
	/* this is necessary because of possible line breaks on the printed page and then
	 * lines_per_page differs from document line count */
	dinfo->n_pages = get_page_count(context, dinfo);

	/* read all styles from Scintilla */
	style_max = pow(2, scintilla_send_message(dinfo->doc->editor->sci, SCI_GETSTYLEBITS, 0, 0));
	/* if the lexer uses only the first 32 styles(style bits = 5),
	 * we need to add the pre-defined styles */
	if (style_max == 32)
		style_max = STYLE_LASTPREDEFINED;
	for (i = 0; i < style_max; i++)
	{
		dinfo->styles[i][FORE] = ROTATE_RGB(scintilla_send_message(
			dinfo->doc->editor->sci, SCI_STYLEGETFORE, i, 0));
		if (i == STYLE_LINENUMBER)
		{	/* ignore background colour for line number margin to avoid trouble with wrapped lines */
			dinfo->styles[STYLE_LINENUMBER][BACK] = ROTATE_RGB(scintilla_send_message(
				dinfo->doc->editor->sci, SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
		}
		else
		{
			dinfo->styles[i][BACK] = ROTATE_RGB(scintilla_send_message(
				dinfo->doc->editor->sci, SCI_STYLEGETBACK, i, 0));
		}
		/* use white background color unless foreground is white to save ink */
		if (dinfo->styles[i][FORE] != 0xffffff)
			dinfo->styles[i][BACK] = 0xffffff;
		dinfo->styles[i][BOLD] =
			scintilla_send_message(dinfo->doc->editor->sci, SCI_STYLEGETBOLD, i, 0);
		dinfo->styles[i][ITALIC] =
			scintilla_send_message(dinfo->doc->editor->sci, SCI_STYLEGETITALIC, i, 0);
	}

	if (dinfo->n_pages >= 0)
		gtk_print_operation_set_n_pages(operation, dinfo->n_pages);

	pango_font_description_free(desc);
}