path: root/widgets/table/e-table-item.h

/*
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *      Miguel de Icaza <miguel@gnu.org>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef _E_TABLE_ITEM_H_
#define _E_TABLE_ITEM_H_

#include <libgnomecanvas/libgnomecanvas.h>
#include <table/e-table-model.h>
#include <table/e-table-header.h>
#include <table/e-table-defines.h>
#include <misc/e-selection-model.h>
#include <misc/e-printable.h>

/* Standard GObject macros */
#define E_TYPE_TABLE_ITEM \
    (e_table_item_get_type ())
#define E_TABLE_ITEM(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_TABLE_ITEM, ETableItem))
#define E_TABLE_ITEM_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_TABLE_ITEM, ETableItemClass))
#define E_IS_TABLE_ITEM(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_TABLE_ITEM))
#define E_IS_TABLE_ITEM_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_TABLE_ITEM))
#define E_TABLE_ITEM_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_TABLE_ITEM, ETableItemClass))

G_BEGIN_DECLS

typedef struct _ETableItem ETableItem;
typedef struct _ETableItemClass ETableItemClass;

struct _ETableItem {
    GnomeCanvasItem  parent;
    ETableModel     *table_model;
    ETableHeader    *header;

    ETableModel     *source_model;
    ESelectionModel *selection;

    gint              minimum_width, width, height;

    gint              cols, rows;

    gint              click_count;

    /*
     * Ids for the signals we connect to
     */
    gint              header_dim_change_id;
    gint              header_structure_change_id;
    gint              header_request_width_id;
    gint              table_model_pre_change_id;
    gint              table_model_no_change_id;
    gint              table_model_change_id;
    gint              table_model_row_change_id;
    gint              table_model_cell_change_id;
    gint              table_model_rows_inserted_id;
    gint              table_model_rows_deleted_id;

    gint              selection_change_id;
    gint              selection_row_change_id;
    gint              cursor_change_id;
    gint              cursor_activated_id;

    guint            cursor_idle_id;

    /* View row, -1 means unknown */
    gint              old_cursor_row;

    guint        alternating_row_colors : 1;
    guint        horizontal_draw_grid : 1;
    guint        vertical_draw_grid : 1;
    guint        draw_focus : 1;
    guint        uniform_row_height : 1;
    guint        cell_views_realized : 1;

    guint        needs_redraw : 1;
    guint        needs_compute_height : 1;
    guint        needs_compute_width : 1;

    guint            uses_source_model : 1;

    guint            in_key_press : 1;

    guint            maybe_in_drag : 1;
    guint            in_drag : 1;
    guint            grabbed : 1;

    guint            maybe_did_something : 1;

    guint            cursor_on_screen : 1;
    guint            gtk_grabbed : 1;

    guint            queue_show_cursor : 1;
    guint            grab_cancelled : 1;

    gint              frozen_count;

    gint              cursor_x1;
    gint              cursor_y1;
    gint              cursor_x2;
    gint              cursor_y2;

    gint         drag_col;
    gint         drag_row;
    gint         drag_x;
    gint         drag_y;
    guint            drag_state;

    /*
     * Realized views, per column
     */
    ECellView      **cell_views;
    gint              n_cells;

    gint             *height_cache;
    gint              uniform_row_height_cache;
    gint              height_cache_idle_id;
    gint              height_cache_idle_count;

    /*
     * Lengh Threshold: above this, we stop computing correctly
     * the size
     */
    gint              length_threshold;

    gint             row_guess;
    ECursorMode      cursor_mode;

    gint              motion_col, motion_row;

    /*
     * During editing
     */
    gint              editing_col, editing_row;
    void            *edit_ctx;

    gint              save_col, save_row;
    void            *save_state;

    gint grabbed_col, grabbed_row;
    gint grabbed_count;
};

struct _ETableItemClass {
    GnomeCanvasItemClass parent_class;

    void        (*cursor_change)    (ETableItem *eti,
                         gint row);
    void        (*cursor_activated) (ETableItem *eti,
                         gint row);
    void        (*double_click)     (ETableItem *eti,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*right_click)      (ETableItem *eti,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*click)        (ETableItem *eti,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*key_press)        (ETableItem *eti,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*start_drag)       (ETableItem *eti,
                         gint row,
                         gint col,
                         GdkEvent *event);
    void        (*style_set)        (ETableItem *eti,
                         GtkStyle *previous_style);
    void        (*selection_model_removed)
                        (ETableItem *eti,
                         ESelectionModel *selection);
    void        (*selection_model_added)
                        (ETableItem *eti,
                         ESelectionModel *selection);
};

GType       e_table_item_get_type       (void) G_GNUC_CONST;

/*
 * Focus
 */
void        e_table_item_set_cursor     (ETableItem *eti,
                         gint col,
                         gint row);

gint        e_table_item_get_focused_column (ETableItem *eti);

void        e_table_item_leave_edit     (ETableItem *eti);
void        e_table_item_enter_edit     (ETableItem *eti,
                         gint col,
                         gint row);

void        e_table_item_redraw_range   (ETableItem *eti,
                         gint start_col,
                         gint start_row,
                         gint end_col,
                         gint end_row);

EPrintable *    e_table_item_get_printable  (ETableItem *eti);
void        e_table_item_compute_location   (ETableItem *eti,
                         gint *x,
                         gint *y,
                         gint *row,
                         gint *col);
void        e_table_item_compute_mouse_over (ETableItem *eti,
                         gint x,
                         gint y,
                         gint *row,
                         gint *col);
void        e_table_item_get_cell_geometry  (ETableItem *eti,
                         gint *row,
                         gint *col,
                         gint *x,
                         gint *y,
                         gint *width,
                         gint *height);

gint        e_table_item_row_diff       (ETableItem *eti,
                         gint start_row,
                         gint end_row);

G_END_DECLS

#endif /* _E_TABLE_ITEM_H_ */