path: root/widgets/table/e-table.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@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef _E_TABLE_H_
#define _E_TABLE_H_

#include <libgnomecanvas/libgnomecanvas.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>

/* Standard GObject macros */
#define E_TYPE_TABLE \
    (e_table_get_type ())
#define E_TABLE(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_TABLE, ETable))
#define E_TABLE_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_TABLE, ETableClass))
#define E_IS_TABLE(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_TABLE))
#define E_IS_TABLE_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_TABLE))
#define E_TABLE_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_TABLE, ETableClass))

G_BEGIN_DECLS

typedef struct _ETable ETable;
typedef struct _ETableClass ETableClass;

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;

struct _ETable {
    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;
    guint size_allocated : 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;

    gboolean state_changed;
    guint state_change_freeze;
};

struct _ETableClass {
    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);
    gboolean    (*right_click)      (ETable *et,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*click)        (ETable *et,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*key_press)        (ETable *et,
                         gint row,
                         gint col,
                         GdkEvent *event);
    gboolean    (*start_drag)       (ETable *et,
                         gint row,
                         gint col,
                         GdkEvent *event);
    void        (*state_change)     (ETable *et);
    gboolean    (*white_space_event)    (ETable *et,
                         GdkEvent *event);

    /* 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);
};

GType       e_table_get_type        (void) G_GNUC_CONST;
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);

void        e_table_freeze_state_change (ETable *table);
void        e_table_thaw_state_change   (ETable *table);

G_END_DECLS

#endif /* _E_TABLE_H_ */