---
name: "Gtk_Ruler"
section: "3"
platform: "linux"
package: "libgtkmm-dev"
version: "1.0.3-1.1"
release: "Debian 2.2 (Potato)"
platforms: ["linux"]
url: "https://new.carta.tech/Gtk_Ruler"
---

# Gtk\_Ruler(3)

## NAME - Gtk\_Ruler

Abstract Ruler

## HEADER REQUIRED

**#include \<gtk--/ruler.h&gt;\>**

## BASE CLASSES

[Gtk\_Widget(3)](/Gtk_Widget/3.md)

## DERIVED BY

[Gtk\_HRuler(3)](/Gtk_HRuler/3.md) [Gtk\_VRuler(3)](/Gtk_VRuler/3.md)

## PROPERTIES

- *backing\_store*

  Type: GdkPixmap\*\

- *non\_gr\_exp\_gc*

  Type: GdkGC\*\

- *metric*

  Type: GtkRulerMetric\*\

- *slider\_size*

  Type: gint\

- *lower*

  Type: gfloat\

-

   The upper limit of the ruler (in points) \

- *upper*

  Type: gfloat\

-

   The lower limit of the ruler \

- *position*

  Type: gfloat\

-

   The position of the mark on the ruler \

- *max\_size*

  Type: gfloat\

-

   The maximum size of the ruler

## PUBLIC MEMBER INDEX

```
Gtk_Ruler(GtkRuler *castitem);
void  set_metric(GtkMetricType metric);
void  set_range(gfloat lower, gfloat upper, gfloat position, gfloat max_size);
void  draw_ticks();
void  draw_pos();
GtkRuler*  gtkobj();
const GtkRuler*  gtkobj() const;
static bool  isGtkRuler(Gtk_Object *checkcast);
```

## PROTECTED MEMBER INDEX

```
friend  CppClassType;
typedef GtkRuler  BaseObjectType;
typedef GtkRulerClass  BaseClassType;
virtual void * get_parent_class();
Gtk_Ruler();
```

## PRIVATE MEMBER INDEX

```
static CppClassType  ruler_class;
GtkType  get_type();
```

## PUBLIC MEMBER DESCRIPTIONS

## PROTECTED MEMBER DESCRIPTIONS

## PRIVATE MEMBER DESCRIPTIONS