HippoCanvasContext

HippoCanvasContext

Synopsis


#include <hippo/hippo-canvas-context.h>

enum                HippoStockColor;
                    HippoCanvasContext;
                    HippoCanvasContextIface;
PangoLayout*        hippo_canvas_context_create_layout  (HippoCanvasContext *context);
cairo_surface_t*    hippo_canvas_context_load_image     (HippoCanvasContext *context,
                                                         const char *image_name);
guint32             hippo_canvas_context_get_color      (HippoCanvasContext *context,
                                                         HippoStockColor color);
void                hippo_canvas_context_register_widget_item
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item);
void                hippo_canvas_context_unregister_widget_item
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item);
void                hippo_canvas_context_translate_to_widget
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item,
                                                         int *x_p,
                                                         int *y_p);
void                hippo_canvas_context_translate_to_screen
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item,
                                                         int *x_p,
                                                         int *y_p);
void                hippo_canvas_context_emit_style_changed
                                                        (HippoCanvasContext *context,
                                                         gboolean resize_needed);

Object Hierarchy

  GInterface
   +----HippoCanvasContext

Known Implementations

HippoCanvasContext is implemented by HippoCanvasGradient, HippoCanvasLink, HippoCanvasImage, HippoCanvasBox, HippoCanvasText and HippoCanvasImageButton.

Signals

  "style-changed"                                  : Run Last

Description

Details

enum HippoStockColor

typedef enum {
    HIPPO_STOCK_COLOR_BG_NORMAL,
    HIPPO_STOCK_COLOR_BG_PRELIGHT,
    HIPPO_STOCK_COLOR_FG
} HippoStockColor;


HippoCanvasContext

typedef struct _HippoCanvasContext HippoCanvasContext;


HippoCanvasContextIface

typedef struct {
    GTypeInterface base_iface;

    PangoLayout*     (* create_layout)  (HippoCanvasContext  *context);
    cairo_surface_t* (* create_surface) (HippoCanvasContext  *context,
                                         cairo_content_t      content,
                                         int                  width,
                                         int                  height);

    cairo_surface_t* (* load_image)     (HippoCanvasContext  *context,
                                         const char          *image_name);

    guint32          (* get_color)      (HippoCanvasContext  *context,
                                         HippoStockColor      color);

    void             (* register_widget_item)   (HippoCanvasContext *context,
                                                 HippoCanvasItem    *item);
    void             (* unregister_widget_item) (HippoCanvasContext *context,
                                                 HippoCanvasItem    *item);    
    void             (* translate_to_widget)    (HippoCanvasContext *context,
                                                 HippoCanvasItem    *item,
                                                 int                *x_p,
                                                 int                *y_p);
    void             (* translate_to_screen)    (HippoCanvasContext *context,
                                                 HippoCanvasItem    *item,
                                                 int                *x_p,
                                                 int                *y_p);
    HippoCanvasStyle *(* get_style)             (HippoCanvasContext *context);
    double            (* get_resolution)        (HippoCanvasContext *context);
    PangoFontDescription *(* get_font)          (HippoCanvasContext *context);
    
    HippoAnimationManager *( *get_animation_manager) (HippoCanvasContext *context);

    /* Signals */

    /* Inherited style properties (see affect_* methods) have changed.
     * resize_needed means the change needs a resize not just repaint.
     */
    void             (* style_changed)    (HippoCanvasContext *context,
                                           gboolean            resize_needed);
} HippoCanvasContextIface;


hippo_canvas_context_create_layout ()

PangoLayout*        hippo_canvas_context_create_layout  (HippoCanvasContext *context);

context :

Returns :


hippo_canvas_context_load_image ()

cairo_surface_t*    hippo_canvas_context_load_image     (HippoCanvasContext *context,
                                                         const char *image_name);

context :

image_name :

Returns :


hippo_canvas_context_get_color ()

guint32             hippo_canvas_context_get_color      (HippoCanvasContext *context,
                                                         HippoStockColor color);

context :

color :

Returns :


hippo_canvas_context_register_widget_item ()

void                hippo_canvas_context_register_widget_item
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item);

context :

item :


hippo_canvas_context_unregister_widget_item ()

void                hippo_canvas_context_unregister_widget_item
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item);

context :

item :


hippo_canvas_context_translate_to_widget ()

void                hippo_canvas_context_translate_to_widget
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item,
                                                         int *x_p,
                                                         int *y_p);

context :

item :

x_p :

y_p :


hippo_canvas_context_translate_to_screen ()

void                hippo_canvas_context_translate_to_screen
                                                        (HippoCanvasContext *context,
                                                         HippoCanvasItem *item,
                                                         int *x_p,
                                                         int *y_p);

context :

item :

x_p :

y_p :


hippo_canvas_context_emit_style_changed ()

void                hippo_canvas_context_emit_style_changed
                                                        (HippoCanvasContext *context,
                                                         gboolean resize_needed);

context :

resize_needed :

Signal Details

The "style-changed" signal

void                user_function                      (HippoCanvasContext *hippocanvascontext,
                                                        gboolean            arg1,
                                                        gpointer            user_data)               : Run Last

hippocanvascontext :

the object which received the signal.

arg1 :

user_data :

user data set when the signal handler was connected.