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;
};