Backend

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Object Hierarchy:

Description:

Content:

Creation methods:

• protected Backend ()

Methods:

• public virtual void add_options (OptionGroup group)
• public virtual bool create_context () throws Error
• public virtual weak StageWindow create_stage (Stage wrapper) throws Error
• public virtual void ensure_context (Stage stage)
• public virtual weak DeviceManager get_device_manager ()
• public uint get_double_click_distance ()
  Retrieves the distance used to verify a double click event
• public uint get_double_click_time ()
  Gets the maximum time between two button press events, as set by set_double_click_time.
• public virtual FeatureFlags get_features ()
• public unowned string get_font_name ()
  Retrieves the default font name as set by set_font_name.
• public unowned FontOptions get_font_options ()
  Retrieves the font options for backend.
• public double get_resolution ()
  Gets the resolution for font handling on the screen.
• public virtual void init_events ()
• public virtual void init_features ()
• public virtual bool post_parse () throws Error
• public virtual bool pre_parse () throws Error
• public virtual void redraw (Stage stage)
• public void set_double_click_distance (uint distance)
  Sets the maximum distance used to verify a double click event.
• public void set_double_click_time (uint msec)
  Sets the maximum time between two button press events, used to verify whether it's a double click event or not.
• public void set_font_name (string font_name)
  Sets the default font to be used by Clutter. The font_name string must either be null , which means that the font name from the default Backend will be used; or be something that can be parsed by the from_string function.
• public void set_font_options (FontOptions options)
  Sets the new font options for backend. The Backend will copy the FontOptions.
• public void set_resolution (double dpi)
  Sets the resolution for font handling on the screen. This is a scale factor between points specified in a FontDescription and cairo units. The default value is 96, meaning that a 10 point font will be 13 units high. (10 * 96. / 72. = 13.3).

Signals:

• public void font_changed ()
  The font_changed signal is emitted each time the font options have been changed through Settings.
• public void resolution_changed ()
  The resolution_changed signal is emitted each time the font resolutions has been changed through Settings.
• public void settings_changed ()
  The settings_changed signal is emitted each time the Settings properties have been changed.