static void selectcolor_paint(GtkWidget *widget) {
cairo_t *cr;
cr = gdk_cairo_create(widget->window);
cairo_fill(cr);
gint color = SELECT_COLOR(widget)->color;
gint circle = SELECT_COLOR(widget)->circle;
double r = ((color & 0xff0000) >> 16) / 255.0;
double g = ((color & 0xff00) >> 8) / 255.0;
double b = ((color & 0xff)) / 255.0;
gboolean sensitiv = gtk_widget_is_sensitive(widget);
int x = widget->allocation.x;
int y = widget->allocation.y;
int width = 10;
if (!sensitiv) {
r = r / 2 + 0.5;
g = g / 2 + 0.5;
b = b / 2 + 0.5;
}
double radius = 0;
if (widget->allocation.width > widget->allocation.height) {
width = widget->allocation.height;
x += (widget->allocation.width - width) / 2;
radius = widget->allocation.height / 2.0;
} else {
width = widget->allocation.width;
y += (widget->allocation.height - width) / 2;
radius = widget->allocation.width / 2.0;
}
cairo_set_source_rgb(cr, r, g, b);
if (circle) {
cairo_arc(cr, radius + x, radius + y, radius - 1, 0, 2 * M_PI);
} else {
cairo_rectangle(cr, x + 1, y + 1, width - 2, width - 2);
}
cairo_fill(cr);
if (sensitiv) {
cairo_set_source_rgb(cr, 0, 0, 0);
} else {
cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
}
if (circle) {
cairo_arc(cr, radius + x, radius + y, radius - 1, 0, 2 * M_PI);
} else {
cairo_rectangle(cr, x + 1, y + 1, width - 2, width - 2);
}
cairo_stroke(cr);
cairo_destroy(cr);
}
static void selectcolor_size_request(GtkWidget *widget, GtkRequisition *requisition) {
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_SELECT_COLOR(widget));
g_return_if_fail(requisition != NULL);
requisition->width = SELECT_COLOR(widget)->size;
requisition->height = SELECT_COLOR(widget)->size;
}
GtkWidget * selectcolor_new(gint color) {
GtkWidget * w = GTK_WIDGET(gtk_type_new(selectcolor_get_type()));
selectcolor_set_color(w, color);
SELECT_COLOR(w)->circle = false;
SELECT_COLOR(w)->size = 16;
return w;
}
void selectcolor_set_size(GtkWidget* sc, gint size)
{
g_return_if_fail(sc != NULL);
g_return_if_fail(IS_SELECT_COLOR(sc));
SELECT_COLOR(sc)->size = size;
}
void selectcolor_set_circle(GtkWidget * sc, gboolean circle) {
g_return_if_fail(sc != NULL);
g_return_if_fail(IS_SELECT_COLOR(sc));
SELECT_COLOR(sc)->circle = circle;
if (gtk_widget_is_drawable(GTK_WIDGET(sc))) {
selectcolor_paint(sc);
}
}
void selectcolor_set_color(GtkWidget * sc, gint color) {
g_return_if_fail(sc != NULL);
g_return_if_fail(IS_SELECT_COLOR(sc));
SELECT_COLOR(sc)->color = color;
if (gtk_widget_is_drawable(GTK_WIDGET(sc))) {
selectcolor_paint(sc);
}
}
static void selectcolor_destroy(GtkObject *object) {
SelectColor *sc;
SelectColorClass *klass;
g_return_if_fail(object != NULL);
g_return_if_fail(IS_SELECT_COLOR(object));
sc = SELECT_COLOR(object);
klass = (SelectColorClass*) gtk_type_class(gtk_widget_get_type());
if (GTK_OBJECT_CLASS(klass)->destroy) {
(*GTK_OBJECT_CLASS(klass)->destroy)(object);
}
}
