GtkThemingEngine

struct GtkThemingEngineClass {
  GObjectClass parent_class;
  void (* render_line) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x0,
    gdouble y0,
    gdouble x1,
    gdouble y1
  );
  void (* render_background) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_frame) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_frame_gap) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height,
    GtkPositionType gap_side,
    gdouble xy0_gap,
    gdouble xy1_gap
  );
  void (* render_extension) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height,
    GtkPositionType gap_side
  );
  void (* render_check) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_option) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_arrow) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble angle,
    gdouble x,
    gdouble y,
    gdouble size
  );
  void (* render_expander) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_focus) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_layout) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    PangoLayout* layout
  );
  void (* render_slider) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height,
    GtkOrientation orientation
  );
  void (* render_handle) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  void (* render_activity) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    gdouble x,
    gdouble y,
    gdouble width,
    gdouble height
  );
  GdkPixbuf* (* render_icon_pixbuf) (
    GtkThemingEngine* engine,
    const GtkIconSource* source,
    GtkIconSize size
  );
  void (* render_icon) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    GdkPixbuf* pixbuf,
    gdouble x,
    gdouble y
  );
  void (* render_icon_surface) (
    GtkThemingEngine* engine,
    cairo_t* cr,
    cairo_surface_t* surface,
    gdouble x,
    gdouble y
  );
  
}

Base class for theming engines.

Class members

parent_class: GObjectClass

The parent class.

render_line: void (* render_line) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x0, gdouble y0, gdouble x1, gdouble y1 )

Renders a line between two points.

render_background: void (* render_background) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders the background area of a widget region.

render_frame: void (* render_frame) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders the frame around a widget area.

render_frame_gap: void (* render_frame_gap) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkPositionType gap_side, gdouble xy0_gap, gdouble xy1_gap )

Renders the frame around a widget area with a gap in it.

render_extension: void (* render_extension) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkPositionType gap_side )

Renders a extension to a box, usually a notebook tab.

render_check: void (* render_check) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders a checkmark, as in GtkCheckButton.

render_option: void (* render_option) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders an option, as in GtkRadioButton.

render_arrow: void (* render_arrow) ( GtkThemingEngine* engine, cairo_t* cr, gdouble angle, gdouble x, gdouble y, gdouble size )

Renders an arrow pointing to a certain direction.

render_expander: void (* render_expander) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders an element what will expose/expand part of the UI, as in GtkExpander.

render_focus: void (* render_focus) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders the focus indicator.

render_layout: void (* render_layout) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, PangoLayout* layout )

Renders a PangoLayout.

render_slider: void (* render_slider) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkOrientation orientation )

Renders a slider control, as in GtkScale.

render_handle: void (* render_handle) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders a handle to drag UI elements, as in GtkPaned.

render_activity: void (* render_activity) ( GtkThemingEngine* engine, cairo_t* cr, gdouble x, gdouble y, gdouble width, gdouble height )

Renders an area displaying activity, such as in GtkSpinner, or GtkProgressBar.

render_icon_pixbuf: GdkPixbuf* (* render_icon_pixbuf) ( GtkThemingEngine* engine, const GtkIconSource* source, GtkIconSize size )

Renders an icon as a GdkPixbuf.

render_icon: void (* render_icon) ( GtkThemingEngine* engine, cairo_t* cr, GdkPixbuf* pixbuf, gdouble x, gdouble y )

Renders an icon given as a GdkPixbuf.

render_icon_surface: void (* render_icon_surface) ( GtkThemingEngine* engine, cairo_t* cr, cairo_surface_t* surface, gdouble x, gdouble y )

Renders an icon given as a #cairo_surface_t.