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/*
 * 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@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef _E_TABLE_H_
#define _E_TABLE_H_

#include <libgnomecanvas/gnome-canvas.h>
#include <gtk/gtk.h>
#include <libxml/tree.h>
#include <table/e-table-model.h>
#include <table/e-table-header.h>
#include <table/e-table-group.h>
#include <table/e-table-sort-info.h>
#include <table/e-table-item.h>
#include <table/e-table-selection-model.h>
#include <table/e-table-extras.h>
#include <table/e-table-specification.h>
#include <misc/e-printable.h>
#include <table/e-table-state.h>
#include <table/e-table-sorter.h>
#include <table/e-table-search.h>

G_BEGIN_DECLS

#define E_TABLE_TYPE        (e_table_get_type ())
#define E_TABLE(o)          (G_TYPE_CHECK_INSTANCE_CAST ((o), E_TABLE_TYPE, ETable))
#define E_TABLE_CLASS(k)    (G_TYPE_CHECK_CLASS_CAST((k), E_TABLE_TYPE, ETableClass))
#define E_IS_TABLE(o)       (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_TABLE_TYPE))
#define E_IS_TABLE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_TABLE_TYPE))

typedef struct _ETableDragSourceSite ETableDragSourceSite;

typedef enum {
    E_TABLE_CURSOR_LOC_NONE = 0,
    E_TABLE_CURSOR_LOC_ETCTA = 1 << 0,
    E_TABLE_CURSOR_LOC_TABLE = 1 << 1
} ETableCursorLoc;

typedef struct {
    GtkTable parent;

    ETableModel *model;

    ETableHeader *full_header, *header;

    GnomeCanvasItem *canvas_vbox;
    ETableGroup  *group;

    ETableSortInfo *sort_info;
    ETableSorter   *sorter;

    ETableSelectionModel *selection;
    ETableCursorLoc cursor_loc;
    ETableSpecification *spec;

    ETableSearch     *search;

    ETableCol        *current_search_col;

    guint     search_search_id;
    guint     search_accept_id;

    gint table_model_change_id;
    gint table_row_change_id;
    gint table_cell_change_id;
    gint table_rows_inserted_id;
    gint table_rows_deleted_id;

    gint group_info_change_id;
    gint sort_info_change_id;

    gint structure_change_id;
    gint expansion_change_id;
    gint dimension_change_id;

    gint reflow_idle_id;
    gint scroll_idle_id;

    GnomeCanvas *header_canvas, *table_canvas;

    GnomeCanvasItem *header_item, *root;

    GnomeCanvasItem *white_item;

    gint length_threshold;

    gint rebuild_idle_id;
    guint need_rebuild:1;

    /*
     * Configuration settings
     */
    guint alternating_row_colors : 1;
    guint horizontal_draw_grid : 1;
    guint vertical_draw_grid : 1;
    guint draw_focus : 1;
    guint row_selection_active : 1;

    guint horizontal_scrolling : 1;
    guint horizontal_resize : 1;

    guint is_grouped : 1;

    guint scroll_direction : 4;

    guint do_drag : 1;

    guint uniform_row_height : 1;
    guint allow_grouping : 1;

    guint always_search : 1;
    guint search_col_set : 1;

    gchar *click_to_add_message;
    GnomeCanvasItem *click_to_add;
    gboolean use_click_to_add;
    gboolean use_click_to_add_end;

    ECursorMode cursor_mode;

    gint drop_row;
    gint drop_col;
    GnomeCanvasItem *drop_highlight;
    gint last_drop_x;
    gint last_drop_y;
    gint last_drop_time;
    GdkDragContext *last_drop_context;

    gint drag_row;
    gint drag_col;
    ETableDragSourceSite *site;

    gint header_width;

    gchar *domain;
} ETable;

typedef struct {
    GtkTableClass parent_class;

    void        (*cursor_change)      (ETable *et, gint row);
    void        (*cursor_activated)   (ETable *et, gint row);
    void        (*selection_change)   (ETable *et);
    void        (*double_click)       (ETable *et, gint row, gint col, GdkEvent *event);
    gint        (*right_click)        (ETable *et, gint row, gint col, GdkEvent *event);
    gint        (*click)              (ETable *et, gint row, gint col, GdkEvent *event);
    gint        (*key_press)          (ETable *et, gint row, gint col, GdkEvent *event);
    gint        (*start_drag)         (ETable *et, gint row, gint col, GdkEvent *event);
    void        (*state_change)       (ETable *et);
    gint        (*white_space_event)  (ETable *et, GdkEvent *event);

    void  (*set_scroll_adjustments)   (ETable    *table,
                       GtkAdjustment *hadjustment,
                       GtkAdjustment *vadjustment);

    /* Source side drag signals */
    void (* table_drag_begin)          (ETable         *table,
                            gint                 row,
                            gint                 col,
                            GdkDragContext     *context);
    void (* table_drag_end)        (ETable         *table,
                        gint                 row,
                        gint                 col,
                        GdkDragContext     *context);
    void (* table_drag_data_get)             (ETable             *table,
                          gint                 row,
                          gint                 col,
                          GdkDragContext     *context,
                          GtkSelectionData   *selection_data,
                          guint               info,
                          guint               time);
    void (* table_drag_data_delete)          (ETable           *table,
                          gint                 row,
                          gint                 col,
                          GdkDragContext     *context);

    /* Target side drag signals */
    void (* table_drag_leave)          (ETable         *table,
                            gint                 row,
                            gint                 col,
                            GdkDragContext     *context,
                            guint               time);
    gboolean (* table_drag_motion)           (ETable           *table,
                          gint                 row,
                          gint                 col,
                          GdkDragContext     *context,
                          gint                x,
                          gint                y,
                          guint               time);
    gboolean (* table_drag_drop)             (ETable           *table,
                          gint                 row,
                          gint                 col,
                          GdkDragContext     *context,
                          gint                x,
                          gint                y,
                          guint               time);
    void (* table_drag_data_received)        (ETable             *table,
                          gint                 row,
                          gint                 col,
                          GdkDragContext     *context,
                          gint                x,
                          gint                y,
                          GtkSelectionData   *selection_data,
                          guint               info,
                          guint               time);
} ETableClass;
GType            e_table_get_type                  (void);
ETable          *e_table_construct                 (ETable               *e_table,
                            ETableModel          *etm,
                            ETableExtras         *ete,
                            const gchar           *spec,
                            const gchar           *state);
GtkWidget       *e_table_new                       (ETableModel          *etm,
                            ETableExtras         *ete,
                            const gchar           *spec,
                            const gchar           *state);

/* Create an ETable using files. */
ETable          *e_table_construct_from_spec_file  (ETable               *e_table,
                            ETableModel          *etm,
                            ETableExtras         *ete,
                            const gchar           *spec_fn,
                            const gchar           *state_fn);
GtkWidget       *e_table_new_from_spec_file        (ETableModel          *etm,
                            ETableExtras         *ete,
                            const gchar           *spec_fn,
                            const gchar           *state_fn);

/* To save the state */
gchar           *e_table_get_state                 (ETable               *e_table);
void             e_table_save_state                (ETable               *e_table,
                            const gchar          *filename);
ETableState     *e_table_get_state_object          (ETable               *e_table);

/* note that it is more efficient to provide the state at creation time */
void             e_table_set_state                 (ETable               *e_table,
                            const gchar          *state);
void             e_table_set_state_object          (ETable               *e_table,
                            ETableState          *state);
void             e_table_load_state                (ETable               *e_table,
                            const gchar          *filename);
void             e_table_set_cursor_row            (ETable               *e_table,
                            gint                   row);

/* -1 means we don't have the cursor.  This is in model rows. */
gint              e_table_get_cursor_row            (ETable               *e_table);
void             e_table_selected_row_foreach      (ETable               *e_table,
                            EForeachFunc          callback,
                            gpointer              closure);
gint             e_table_selected_count            (ETable               *e_table);
EPrintable      *e_table_get_printable             (ETable               *e_table);
gint             e_table_get_next_row              (ETable               *e_table,
                            gint                  model_row);
gint             e_table_get_prev_row              (ETable               *e_table,
                            gint                  model_row);
gint             e_table_model_to_view_row         (ETable               *e_table,
                            gint                  model_row);
gint             e_table_view_to_model_row         (ETable               *e_table,
                            gint                  view_row);
void             e_table_get_cell_at               (ETable               *table,
                            gint                   x,
                            gint                   y,
                            gint                  *row_return,
                            gint                  *col_return);
void e_table_get_mouse_over_cell (ETable *table, gint *row, gint *col);
void             e_table_get_cell_geometry         (ETable               *table,
                            gint                   row,
                            gint                   col,
                            gint                  *x_return,
                            gint                  *y_return,
                            gint                  *width_return,
                            gint                  *height_return);

/* Useful accessor functions. */
ESelectionModel *e_table_get_selection_model       (ETable               *table);

/* Drag & drop stuff. */
/* Target */
void             e_table_drag_get_data             (ETable               *table,
                            gint                   row,
                            gint                   col,
                            GdkDragContext       *context,
                            GdkAtom               target,
                            guint32               time);
void             e_table_drag_highlight            (ETable               *table,
                            gint                   row,
                            gint                   col); /* col == -1 to highlight entire row. */
void             e_table_drag_unhighlight          (ETable               *table);
void             e_table_drag_dest_set             (ETable               *table,
                            GtkDestDefaults       flags,
                            const GtkTargetEntry *targets,
                            gint                  n_targets,
                            GdkDragAction         actions);
void             e_table_drag_dest_set_proxy       (ETable               *table,
                            GdkWindow            *proxy_window,
                            GdkDragProtocol       protocol,
                            gboolean              use_coordinates);

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */
void             e_table_drag_dest_unset           (GtkWidget            *widget);

/* Source side */
void             e_table_drag_source_set           (ETable               *table,
                            GdkModifierType       start_button_mask,
                            const GtkTargetEntry *targets,
                            gint                  n_targets,
                            GdkDragAction         actions);
void             e_table_drag_source_unset         (ETable               *table);

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */
GdkDragContext  *e_table_drag_begin                (ETable               *table,
                            gint                   row,
                            gint                   col,
                            GtkTargetList        *targets,
                            GdkDragAction         actions,
                            gint                  button,
                            GdkEvent             *event);

/* selection stuff */
void             e_table_select_all                (ETable               *table);
void             e_table_invert_selection          (ETable               *table);

/* This function is only needed in single_selection_mode. */
void             e_table_right_click_up            (ETable               *table);

void             e_table_commit_click_to_add       (ETable               *table);

G_END_DECLS

#endif /* _E_TABLE_H_ */