diff options
Diffstat (limited to 'gtk/gtkcurve.c')
| -rw-r--r-- | gtk/gtkcurve.c | 103 |
1 files changed, 96 insertions, 7 deletions
diff --git a/gtk/gtkcurve.c b/gtk/gtkcurve.c index 5dd85900d2..2e19e0a900 100644 --- a/gtk/gtkcurve.c +++ b/gtk/gtkcurve.c @@ -46,6 +46,15 @@ GDK_BUTTON_RELEASE_MASK | \ GDK_BUTTON1_MOTION_MASK) +enum { + ARG_0, + ARG_CURVE_TYPE, + ARG_MIN_X, + ARG_MAX_X, + ARG_MIN_Y, + ARG_MAX_Y +}; + static GtkDrawingAreaClass *parent_class = NULL; static guint curve_type_changed_signal = 0; @@ -53,6 +62,12 @@ static guint curve_type_changed_signal = 0; /* forward declarations: */ static void gtk_curve_class_init (GtkCurveClass *class); static void gtk_curve_init (GtkCurve *curve); +static void gtk_curve_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); +static void gtk_curve_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); static void gtk_curve_finalize (GtkObject *object); static gint gtk_curve_graph_events (GtkWidget *widget, GdkEvent *event, @@ -78,7 +93,7 @@ gtk_curve_get_type (void) (GtkClassInitFunc) NULL, }; - curve_type = gtk_type_unique (gtk_drawing_area_get_type (), &curve_info); + curve_type = gtk_type_unique (GTK_TYPE_DRAWING_AREA, &curve_info); } return curve_type; } @@ -87,18 +102,31 @@ static void gtk_curve_class_init (GtkCurveClass *class) { GtkObjectClass *object_class; - - parent_class = gtk_type_class (gtk_drawing_area_get_type ()); - + + parent_class = gtk_type_class (GTK_TYPE_DRAWING_AREA); + object_class = (GtkObjectClass *) class; - + + object_class->set_arg = gtk_curve_set_arg; + object_class->get_arg = gtk_curve_get_arg; + object_class->finalize = gtk_curve_finalize; + curve_type_changed_signal = gtk_signal_new ("curve_type_changed", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCurveClass, curve_type_changed), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, &curve_type_changed_signal, 1); - - object_class->finalize = gtk_curve_finalize; + + gtk_object_add_arg_type ("GtkCurve::curve_type", GTK_TYPE_CURVE_TYPE, + GTK_ARG_READWRITE, ARG_CURVE_TYPE); + gtk_object_add_arg_type ("GtkCurve::min_x", GTK_TYPE_FLOAT, + GTK_ARG_READWRITE, ARG_MIN_X); + gtk_object_add_arg_type ("GtkCurve::max_x", GTK_TYPE_FLOAT, + GTK_ARG_READWRITE, ARG_MAX_X); + gtk_object_add_arg_type ("GtkCurve::min_y", GTK_TYPE_FLOAT, + GTK_ARG_READWRITE, ARG_MIN_Y); + gtk_object_add_arg_type ("GtkCurve::max_y", GTK_TYPE_FLOAT, + GTK_ARG_READWRITE, ARG_MAX_Y); } static void @@ -130,6 +158,67 @@ gtk_curve_init (GtkCurve *curve) gtk_curve_size_graph (curve); } +static void +gtk_curve_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkCurve *curve = GTK_CURVE (object); + + switch (arg_id) + { + case ARG_CURVE_TYPE: + gtk_curve_set_curve_type (curve, GTK_VALUE_ENUM (*arg)); + break; + case ARG_MIN_X: + gtk_curve_set_range (curve, GTK_VALUE_FLOAT (*arg), curve->max_x, + curve->min_y, curve->max_y); + break; + case ARG_MAX_X: + gtk_curve_set_range (curve, curve->min_x, GTK_VALUE_FLOAT (*arg), + curve->min_y, curve->max_y); + break; + case ARG_MIN_Y: + gtk_curve_set_range (curve, curve->min_x, curve->max_x, + GTK_VALUE_FLOAT (*arg), curve->max_y); + break; + case ARG_MAX_Y: + gtk_curve_set_range (curve, curve->min_x, curve->max_x, + curve->min_y, GTK_VALUE_FLOAT (*arg)); + break; + } +} + +static void +gtk_curve_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkCurve *curve = GTK_CURVE (object); + + switch (arg_id) + { + case ARG_CURVE_TYPE: + GTK_VALUE_ENUM (*arg) = curve->curve_type; + break; + case ARG_MIN_X: + GTK_VALUE_FLOAT (*arg) = curve->min_x; + break; + case ARG_MAX_X: + GTK_VALUE_FLOAT (*arg) = curve->max_x; + break; + case ARG_MIN_Y: + GTK_VALUE_FLOAT (*arg) = curve->min_y; + break; + case ARG_MAX_Y: + GTK_VALUE_FLOAT (*arg) = curve->max_y; + break; + default: + arg->type = GTK_TYPE_INVALID; + break; + } +} + static int project (gfloat value, gfloat min, gfloat max, int norm) { |