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enum gui_internal_reason {
gui_internal_reason_click=1,
gui_internal_reason_keypress,
gui_internal_reason_keypress_finish
};
//##############################################################################################################
//# Description:
//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
struct widget {
enum widget_type type;
struct graphics_gc *background,*text_background;
struct graphics_gc *foreground_frame;
struct graphics_gc *foreground;
char *text;
struct graphics_image *img;
/**
* A function to be invoked on actions.
* @li widget The widget that is receiving the button press.
*
*/
void (*func)(struct gui_priv *priv, struct widget *widget, void *data);
enum gui_internal_reason reason;
int datai;
void *data;
/**
* @brief A function to deallocate data
*/
void (*data_free)(void *data);
/**
* @brief a function that will be called as the widget is being destroyed.
* This function can act as a destructor for the widget. It allows for
* on deallocation actions to be specified on a per widget basis.
* This function will call g_free on the widget (if required).
*/
void (*wfree) (struct gui_priv *this_, struct widget * w);
char *prefix;
char *name;
char *speech;
char *command;
struct pcoord c;
struct item item;
int selection_id;
int state;
struct point p;
int wmin,hmin;
int w,h;
int textw,texth;
int font_idx;
int bl,br,bt,bb,spx,spy;
int border;
int packed;
/**
* The number of widgets to layout horizontally when doing
* a orientation_horizontal_vertical layout
*/
int cols;
enum flags flags;
int flags2;
void *instance;
int (*set_attr)(void *, struct attr *);
int (*get_attr)(void *, enum attr_type, struct attr *, struct attr_iter *);
void (*remove_cb)(void *, struct callback *cb);
struct callback *cb;
struct attr on;
struct attr off;
int deflt;
int is_on;
int redraw;
struct menu_data *menu_data;
struct form *form;
GList *children;
struct widget *parent;
struct scroll_buttons *scroll_buttons;
};
struct scroll_buttons {
/**
* Button box should not be displayed if button_box_hide is not zero.
*/
int button_box_hide;
/**
* A container box that is the child of the table widget that contains+groups
* the next and previous button.
*/
struct widget * button_box;
/**
* A button widget to handle 'next page' requests
*/
struct widget * next_button;
/**
* A button widget to handle 'previous page' requests.
*/
struct widget * prev_button;
/**
* a pointer to the gui context.
* This is needed by the free function to destroy the buttons.
*/
struct gui_priv * this;
};
/**
* @brief A structure to store information about a table.
*
* The table_data widget stores pointers to extra information needed by the
* table widget.
*
* The table_data structure needs to be freed with data_free along with the widget.
*
*/
struct table_data
{
/**
* A GList pointer into a widget->children list that indicates the row
* currently being rendered at the top of the table.
*/
GList * top_row;
/**
* A Glist pointer into a widget->children list that indicates the row
* currently being rendered at the bottom of the table.
*/
GList * bottom_row;
struct scroll_buttons scroll_buttons;
};
/**
* A data structure that holds information about a column that makes up a table.
*
*
*/
struct table_column_desc
{
/**
* The computed height of a cell in the table.
*/
int height;
/**
* The computed width of a cell in the table.
*/
int width;
};
/* prototypes */
enum flags;
struct graphics_image;
struct gui_priv;
struct point;
struct table_data;
struct widget;
struct widget *gui_internal_label_font_new(struct gui_priv *this, const char *text, int font);
struct widget *gui_internal_label_new(struct gui_priv *this, const char *text);
struct widget *gui_internal_label_new_abbrev(struct gui_priv *this, const char *text, int maxwidth);
struct widget *gui_internal_image_new(struct gui_priv *this, struct graphics_image *image);
struct widget *gui_internal_text_font_new(struct gui_priv *this, const char *text, int font, enum flags flags);
struct widget *gui_internal_text_new(struct gui_priv *this, const char *text, enum flags flags);
struct widget *gui_internal_button_font_new_with_callback(struct gui_priv *this, const char *text, int font, struct graphics_image *image, enum flags flags, void (*func)(struct gui_priv *priv, struct widget *widget, void *data), void *data);
struct widget *gui_internal_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 *gui_internal_button_new(struct gui_priv *this, const char *text, struct graphics_image *image, enum flags flags);
struct widget *gui_internal_find_widget(struct widget *wi, struct point *p, int flags);
void gui_internal_highlight_do(struct gui_priv *this, struct widget *found);
void gui_internal_highlight(struct gui_priv *this);
struct widget *gui_internal_box_new_with_label(struct gui_priv *this, enum flags flags, const char *label);
struct widget *gui_internal_box_new(struct gui_priv *this, enum flags flags);
void gui_internal_widget_reset_pack(struct gui_priv *this, struct widget *w);
void gui_internal_widget_append(struct widget *parent, struct widget *child);
void gui_internal_widget_prepend(struct widget *parent, struct widget *child);
void gui_internal_widget_insert_sorted(struct widget *parent, struct widget *child, GCompareFunc func);
void gui_internal_widget_children_destroy(struct gui_priv *this, struct widget *w);
void gui_internal_widget_destroy(struct gui_priv *this, struct widget *w);
void gui_internal_widget_render(struct gui_priv *this, struct widget *w);
void gui_internal_widget_pack(struct gui_priv *this, struct widget *w);
struct widget *gui_internal_button_label(struct gui_priv *this, const char *label, int mode);
struct widget *gui_internal_widget_table_new(struct gui_priv *this, enum flags flags, int buttons);
void gui_internal_widget_table_clear(struct gui_priv *this, struct widget *table);
GList *gui_internal_widget_table_next_row(GList *row);
GList *gui_internal_widget_table_prev_row(GList *row);
GList *gui_internal_widget_table_first_row(GList *row);
GList *gui_internal_widget_table_top_row(struct gui_priv *this, struct widget *table);
GList *gui_internal_widget_table_set_top_row(struct gui_priv *this, struct widget * table, struct widget *row);
struct widget *gui_internal_widget_table_row_new(struct gui_priv *this, enum flags flags);
void gui_internal_table_pack(struct gui_priv *this, struct widget *w);
void gui_internal_table_hide_rows(struct table_data *table_data);
void gui_internal_table_render(struct gui_priv *this, struct widget *w);
void gui_internal_table_button_next(struct gui_priv *this, struct widget *wm, void *data);
void gui_internal_table_button_prev(struct gui_priv *this, struct widget *wm, void *data);
void gui_internal_table_data_free(void *p);
/* end of prototypes */
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