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

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-table-item.h
 * Copyright 1999, 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *   Miguel de Icaza <miguel@gnu.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License, version 2, as published by the Free Software Foundation.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifndef _E_TABLE_ITEM_H_
#define _E_TABLE_ITEM_H_

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

G_BEGIN_DECLS

#define E_TABLE_ITEM_TYPE        (e_table_item_get_type ())
#define E_TABLE_ITEM(o)          (G_TYPE_CHECK_INSTANCE_CAST ((o), E_TABLE_ITEM_TYPE, ETableItem))
#define E_TABLE_ITEM_CLASS(k)    (G_TYPE_CHECK_CLASS_CAST((k), E_TABLE_ITEM_TYPE, ETableItemClass))
#define E_IS_TABLE_ITEM(o)       (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_TABLE_ITEM_TYPE))
#define E_IS_TABLE_ITEM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_TABLE_ITEM_TYPE))

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

    ETableModel     *source_model;
    ESelectionModel *selection;

    int              x1, y1;
    int              minimum_width, width, height;

    int              cols, rows;

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

    int              selection_change_id;
    int              selection_row_change_id;
    int              cursor_change_id;
    int              cursor_activated_id;

    guint            cursor_idle_id;

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

    int              hadjustment_change_id;
    int              hadjustment_value_change_id;
    int              vadjustment_change_id;
    int              vadjustment_value_change_id;
    
    GdkGC           *fill_gc;
    GdkGC           *grid_gc;
    GdkGC           *focus_gc;
    GdkBitmap       *stipple;

    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;

    int              frozen_count;

    int              cursor_x1;
    int              cursor_y1;
    int              cursor_x2;
    int              cursor_y2;

    int          drag_col;
    int          drag_row;
    int          drag_x;
    int          drag_y;
    guint            drag_state;

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

    int             *height_cache;
    int              uniform_row_height_cache;
    int              height_cache_idle_id;
    int              height_cache_idle_count;

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

    int              motion_col, motion_row;

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

    int              save_col, save_row;
    void            *save_state;

    int grabbed_col, grabbed_row;
    int grabbed_count;

    /*
     * Tooltip
     */
    ETableTooltip *tooltip;

} ETableItem;

typedef struct {
    GnomeCanvasItemClass parent_class;

    void        (*cursor_change)    (ETableItem *eti, int row);
    void        (*cursor_activated) (ETableItem *eti, int row);
    void        (*double_click)     (ETableItem *eti, int row, int col, GdkEvent *event);
    gint        (*right_click)      (ETableItem *eti, int row, int col, GdkEvent *event);
    gint        (*click)            (ETableItem *eti, int row, int col, GdkEvent *event);
    gint        (*key_press)        (ETableItem *eti, int row, int col, GdkEvent *event);
    gint        (*start_drag)       (ETableItem *eti, int row, int 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);
} ETableItemClass;
GType       e_table_item_get_type            (void);


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

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

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

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

G_END_DECLS

#endif /* _E_TABLE_ITEM_H_ */