gui_internal.h

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struct widget;
struct graphics_image;
struct gui_priv;

#define STATE_INVISIBLE 1
#define STATE_SELECTED 2
#define STATE_HIGHLIGHTED 4
#define STATE_SENSITIVE 8
#define STATE_EDIT 16
#define STATE_CLEAR 32
#define STATE_EDITABLE 64
#define STATE_SCROLLABLE 128
#define STATE_OFFSCREEN 256

#define GESTURE_RINGSIZE 100

enum widget_type {
        widget_box=1,
        widget_button,
        widget_label,
        widget_image,
        widget_table,
        widget_table_row
};

enum flags {
        gravity_none=0x00,
        gravity_left=1,
        gravity_xcenter=2,
        gravity_right=4,
        gravity_top=8,
        gravity_ycenter=16,
        gravity_bottom=32,
        gravity_left_top=gravity_left|gravity_top,
        gravity_top_center=gravity_xcenter|gravity_top,
        gravity_right_top=gravity_right|gravity_top,
        gravity_left_center=gravity_left|gravity_ycenter,
        gravity_center=gravity_xcenter|gravity_ycenter,
        gravity_right_center=gravity_right|gravity_ycenter,
        gravity_left_bottom=gravity_left|gravity_bottom,
        gravity_bottom_center=gravity_xcenter|gravity_bottom,
        gravity_right_bottom=gravity_right|gravity_bottom,
        flags_expand=0x100,
        flags_fill=0x200,
        flags_swap=0x400,
        flags_scrollx=0x800,
        flags_scrolly=0x1000,
        orientation_horizontal=0x10000,
        orientation_vertical=0x20000,
        orientation_horizontal_vertical=0x40000,
};


struct gui_internal_methods {
        void (*add_callback)(struct gui_priv *priv, struct callback *cb);
        void (*remove_callback)(struct gui_priv *priv, struct callback *cb);
        void (*menu_render)(struct gui_priv *this);
        struct graphics_image * (*image_new_xs)(struct gui_priv *this, const char *name);
        struct graphics_image * (*image_new_l)(struct gui_priv *this, const char *name);
};

struct gui_internal_widget_methods {
        void (*append)(struct widget *parent, struct widget *child);
        struct widget * (*button_new)(struct gui_priv *this, const char *text, struct graphics_image *image, enum flags flags);
        struct widget * (*button_new_with_callback)(struct gui_priv *this, const char *text, struct graphics_image *image, enum flags flags, void(*func)(struct gui_priv *priv, struct widget *widget, void *data), void *data);
        struct widget * (*box_new)(struct gui_priv *this, enum flags flags);
        struct widget * (*label_new)(struct gui_priv *this, const char *text);
        struct widget * (*image_new)(struct gui_priv *this, struct graphics_image *image);
        struct widget * (*keyboard)(struct gui_priv *this, int mode);
        struct widget * (*menu)(struct gui_priv *this, const char *label);
        enum flags (*get_flags)(struct widget *widget);
        void (*set_flags)(struct widget *widget, enum flags flags);
        int (*get_state)(struct widget *widget);
        void (*set_state)(struct widget *widget, int state);
        void (*set_func)(struct widget *widget, void (*func)(struct gui_priv *priv, struct widget *widget, void *data));
        void (*set_data)(struct widget *widget, void *data);
        void (*set_default_background)(struct gui_priv *this, struct widget *widget);

};

struct gui_internal_data {
        struct gui_priv *priv;
        struct gui_internal_methods *gui;
        struct gui_internal_widget_methods *widget;
};