108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/***********************************************************
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*
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* custom-list.h
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*
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* A simple custom list model with sorting
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*
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* part of the Gtk+ tree view tutorial
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*
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* by Tim-Philipp Mueller < tim at centricular dot net >
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*
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***********************************************************/
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#ifndef _custom_list_h_included_
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#define _custom_list_h_included_
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#include <gtk/gtk.h>
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/* Some boilerplate GObject defines. 'klass' is used instead of 'class', because 'class' is a C++ keyword */
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#define CUSTOM_TYPE_LIST (custom_list_get_type ())
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#define CUSTOM_LIST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CUSTOM_TYPE_LIST, CustomList))
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#define CUSTOM_LIST_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CUSTOM_TYPE_LIST, CustomListClass))
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#define CUSTOM_IS_LIST(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CUSTOM_TYPE_LIST))
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#define CUSTOM_IS_LIST_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CUSTOM_TYPE_LIST))
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#define CUSTOM_LIST_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CUSTOM_TYPE_LIST, CustomListClass))
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/* The data columns that we export via the tree model interface */
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enum
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{
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CUSTOM_LIST_COL_RECORD = 0,
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CUSTOM_LIST_COL_NAME,
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CUSTOM_LIST_COL_YEAR_BORN,
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CUSTOM_LIST_N_COLUMNS,
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} ;
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enum
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{
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SORT_ID_NONE = 0,
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SORT_ID_NAME,
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SORT_ID_YEAR_BORN,
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};
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typedef struct _CustomRecord CustomRecord;
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typedef struct _CustomList CustomList;
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typedef struct _CustomListClass CustomListClass;
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/* CustomRecord: this structure represents a row */
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struct _CustomRecord
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{
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/* data - you can extend this */
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gchar *name;
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gchar *name_collate_key;
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guint year_born;
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/* admin stuff used by the custom list model */
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guint pos; /* pos within the array */
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};
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/* CustomList: this structure contains everything we need for our
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* model implementation. You can add extra fields to
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* this structure, e.g. hashtables to quickly lookup
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* rows or whatever else you might need, but it is
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* crucial that 'parent' is the first member of the
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* structure. */
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struct _CustomList
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{
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GObject parent; /* this MUST be the first member */
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guint num_rows; /* number of rows that we have */
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CustomRecord **rows; /* a dynamically allocated array of pointers to the CustomRecord structure for each row */
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gint n_columns; /* These two fields are not absolutely necessary, but they */
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GType column_types[CUSTOM_LIST_N_COLUMNS]; /* speed things up a bit in our get_value implementation */
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gint sort_id;
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GtkSortType sort_order;
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gint stamp; /* A random integer to check if an iter belongs to our model */
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};
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/* CustomListClass: more boilerplate GObject stuff */
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struct _CustomListClass
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{
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GObjectClass parent_class;
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};
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GType custom_list_get_type (void);
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CustomList *custom_list_new (void);
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void custom_list_append_record (CustomList *custom_list,
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const gchar *name,
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guint year_born);
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#endif /* _custom_list_h_included_ */
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