GocCanvas

GocCanvas — The canvas widget

Synopsis

enum                GocDirection;
                    GocCanvas;
typedef             GocCanvasClass;
GocGroup*           goc_canvas_get_root                 (GocCanvas *canvas);
int                 goc_canvas_get_width                (GocCanvas *canvas);
int                 goc_canvas_get_height               (GocCanvas *canvas);
void                goc_canvas_scroll_to                (GocCanvas *canvas,
                                                         double x,
                                                         double y);
void                goc_canvas_get_scroll_position      (GocCanvas *canvas,
                                                         double *x,
                                                         double *y);
void                goc_canvas_set_pixels_per_unit      (GocCanvas *canvas,
                                                         double pixels_per_unit);
double              goc_canvas_get_pixels_per_unit      (GocCanvas *canvas);
void                goc_canvas_invalidate               (GocCanvas *canvas,
                                                         double x0,
                                                         double y0,
                                                         double x1,
                                                         double y1);
GocItem*            goc_canvas_get_item_at              (GocCanvas *canvas,
                                                         double x,
                                                         double y);
void                goc_canvas_grab_item                (GocCanvas *canvas,
                                                         GocItem *item);
void                goc_canvas_ungrab_item              (GocCanvas *canvas);
GocItem*            goc_canvas_get_grabbed_item         (GocCanvas *canvas);
void                goc_canvas_set_document             (GocCanvas *canvas,
                                                         GODoc *document);
GODoc*              goc_canvas_get_document             (GocCanvas *canvas);
GdkEvent*           goc_canvas_get_cur_event            (GocCanvas *canvas);
void                goc_canvas_set_direction            (GocCanvas *canvas,
                                                         GocDirection direction);
GocDirection        goc_canvas_get_direction            (GocCanvas *canvas);
void                goc_canvas_w2c                      (GocCanvas *canvas,
                                                         int x,
                                                         int y,
                                                         double *x_,
                                                         double *y_);
void                goc_canvas_c2w                      (GocCanvas *canvas,
                                                         double x,
                                                         double y,
                                                         int *x_,
                                                         int *y_);

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GtkObject
               +----GtkWidget
                     +----GtkContainer
                           +----GtkLayout
                                 +----GocCanvas

Implemented Interfaces

GocCanvas implements AtkImplementorIface and GtkBuildable.

Description

The canvas widget used in gnumeric.

Details

enum GocDirection

typedef enum {
	GOC_DIRECTION_LTR,
	GOC_DIRECTION_RTL,
	GOC_DIRECTION_MAX
} GocDirection;


GocCanvas

typedef struct _GocCanvas GocCanvas;


GocCanvasClass

typedef GtkLayoutClass GocCanvasClass;


goc_canvas_get_root ()

GocGroup*           goc_canvas_get_root                 (GocCanvas *canvas);

canvas :

GocCanvas

Returns :

the top level item of canvas, always a GocGroup.

goc_canvas_get_width ()

int                 goc_canvas_get_width                (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_get_height ()

int                 goc_canvas_get_height               (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_scroll_to ()

void                goc_canvas_scroll_to                (GocCanvas *canvas,
                                                         double x,
                                                         double y);

canvas :

x :

y :


goc_canvas_get_scroll_position ()

void                goc_canvas_get_scroll_position      (GocCanvas *canvas,
                                                         double *x,
                                                         double *y);

canvas :

x :

y :


goc_canvas_set_pixels_per_unit ()

void                goc_canvas_set_pixels_per_unit      (GocCanvas *canvas,
                                                         double pixels_per_unit);

canvas :

pixels_per_unit :


goc_canvas_get_pixels_per_unit ()

double              goc_canvas_get_pixels_per_unit      (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_invalidate ()

void                goc_canvas_invalidate               (GocCanvas *canvas,
                                                         double x0,
                                                         double y0,
                                                         double x1,
                                                         double y1);

canvas :

x0 :

y0 :

x1 :

y1 :


goc_canvas_get_item_at ()

GocItem*            goc_canvas_get_item_at              (GocCanvas *canvas,
                                                         double x,
                                                         double y);

canvas :

x :

y :

Returns :


goc_canvas_grab_item ()

void                goc_canvas_grab_item                (GocCanvas *canvas,
                                                         GocItem *item);

canvas :

item :


goc_canvas_ungrab_item ()

void                goc_canvas_ungrab_item              (GocCanvas *canvas);

canvas :


goc_canvas_get_grabbed_item ()

GocItem*            goc_canvas_get_grabbed_item         (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_set_document ()

void                goc_canvas_set_document             (GocCanvas *canvas,
                                                         GODoc *document);

canvas :

document :


goc_canvas_get_document ()

GODoc*              goc_canvas_get_document             (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_get_cur_event ()

GdkEvent*           goc_canvas_get_cur_event            (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_set_direction ()

void                goc_canvas_set_direction            (GocCanvas *canvas,
                                                         GocDirection direction);

canvas :

direction :


goc_canvas_get_direction ()

GocDirection        goc_canvas_get_direction            (GocCanvas *canvas);

canvas :

Returns :


goc_canvas_w2c ()

void                goc_canvas_w2c                      (GocCanvas *canvas,
                                                         int x,
                                                         int y,
                                                         double *x_,
                                                         double *y_);

canvas :

x :

y :

x_ :

y_ :


goc_canvas_c2w ()

void                goc_canvas_c2w                      (GocCanvas *canvas,
                                                         double x,
                                                         double y,
                                                         int *x_,
                                                         int *y_);

canvas :

x :

y :

x_ :

y_ :