static void
zoom_one_button_clicked (GtkWidget *button,
SoliPrintPreview *preview)
{
set_zoom_factor (preview, 1);
gtk_widget_grab_focus (GTK_WIDGET (preview->layout));
}
static void
preview_ready (GtkPrintOperationPreview *gtk_preview,
GtkPrintContext *context,
SoliPrintPreview *preview)
{
init_last_page_label (preview);
goto_page (preview, 0);
set_zoom_factor (preview, 1.0);
/* let the default gtklayout handler clear the background */
g_signal_connect_after (preview->layout,
"draw",
G_CALLBACK (preview_draw),
preview);
gtk_widget_queue_draw (GTK_WIDGET (preview->layout));
}
static void
set_zoom_fit_to_size (SoliPrintPreview *preview)
{
GtkAdjustment *hadj, *vadj;
gdouble width, height;
gdouble paper_width, paper_height;
gdouble zoomx, zoomy;
get_adjustments (preview, &hadj, &vadj);
width = gtk_adjustment_get_page_size (hadj);
height = gtk_adjustment_get_page_size (vadj);
width /= preview->n_columns;
paper_width = get_paper_width (preview);
paper_height = get_paper_height (preview);
zoomx = MAX (1, width - 2 * PAGE_PAD) / paper_width;
zoomy = MAX (1, height - 2 * PAGE_PAD) / paper_height;
set_zoom_factor (preview, zoomx <= zoomy ? zoomx : zoomy);
}
static void
zoom_out (SoliPrintPreview *preview)
{
set_zoom_factor (preview, preview->scale * ZOOM_OUT_FACTOR);
}
static void
zoom_in (GeditPrintPreview *preview)
{
set_zoom_factor (preview, preview->scale * ZOOM_IN_FACTOR);
}
