static void scope_realize(GtkWidget *widget)
{
Scope *scope;
GdkWindowAttr attributes;
gint attributes_mask;
GdkGCValues gc_values;
GtkAllocation allocation;
GdkWindow *window;
GtkStyle *style;
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_SCOPE(widget));
scope = SCOPE(widget);
gtk_widget_set_realized(widget, TRUE);
gtk_widget_get_allocation(widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual(widget);
attributes.colormap = gtk_widget_get_colormap(widget);
attributes.event_mask = gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
gtk_widget_set_has_window(widget, TRUE);
window = gdk_window_new(gtk_widget_get_parent_window(widget), &attributes, attributes_mask);
gtk_widget_set_window(widget, window);
gdk_window_set_user_data(window, scope);
gtk_widget_style_attach(widget);
style = gtk_widget_get_style(widget);
gtk_style_set_background(style, window, GTK_STATE_NORMAL);
/* gc's if necessary */
if (!gdk_colormap_alloc_color(style->colormap, &scope->tracecol,
FALSE, TRUE))
g_warning("unable to allocate color: ( %d %d %d )",
scope->tracecol.red, scope->tracecol.green, scope->tracecol.blue);
gc_values.foreground = scope->tracecol;
scope->trace_gc = gtk_gc_get(style->depth,
style->colormap,
&gc_values, GDK_GC_FOREGROUND);
if (!gdk_colormap_alloc_color(style->colormap, &scope->gridcol,
FALSE, TRUE))
g_warning("unable to allocate color: ( %d %d %d )",
scope->gridcol.red, scope->gridcol.green, scope->gridcol.blue);
gc_values.foreground = scope->gridcol;
scope->grid_gc = gtk_gc_get(style->depth,
style->colormap,
&gc_values, GDK_GC_FOREGROUND);
/* create backing store */
scope->pixmap = gdk_pixmap_new(window, SCOPE_WIDTH, SCOPE_HEIGHT, -1);
scope_send_configure(SCOPE(widget));
}
static void scope_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_SCOPE(widget));
g_return_if_fail(allocation != NULL);
widget->allocation = *allocation;
widget->allocation.width = SCOPE_WIDTH;
widget->allocation.height = SCOPE_HEIGHT;
if (GTK_WIDGET_REALIZED(widget)) {
gdk_window_move_resize (widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
scope_send_configure(SCOPE(widget));
}
}
static void scope_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
GtkAllocation alloc;
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_SCOPE(widget));
g_return_if_fail(allocation != NULL);
alloc = *allocation;
alloc.width = SCOPE_WIDTH;
alloc.height = SCOPE_HEIGHT;
gtk_widget_set_allocation(widget, &alloc);
if (gtk_widget_get_realized(widget)) {
gdk_window_move_resize (gtk_widget_get_window(widget),
allocation->x, allocation->y,
allocation->width, allocation->height);
scope_send_configure(SCOPE(widget));
}
}