/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * e-tree.h * Copyright 2000, 2001, Ximian, Inc. * * Authors: * Chris Lahey * * 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_TREE_H_ #define _E_TREE_H_ #include #include #include #include #include #include #include
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#define E_TREE_USE_TREE_SELECTION #ifdef E_TREE_USE_TREE_SELECTION #include
#endif G_BEGIN_DECLS #define E_TREE_TYPE (e_tree_get_type ()) #define E_TREE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), E_TREE_TYPE, ETree)) #define E_TREE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), E_TREE_TYPE, ETreeClass)) #define E_IS_TREE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_TREE_TYPE)) #define E_IS_TREE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_TREE_TYPE)) typedef struct _ETreeDragSourceSite ETreeDragSourceSite; typedef struct ETreePriv ETreePriv; typedef struct { GtkTable parent; ETreePriv *priv; } ETree; typedef struct { GtkTableClass parent_class; void (*cursor_change) (ETree *et, int row, ETreePath path); void (*cursor_activated) (ETree *et, int row, ETreePath path); void (*selection_change) (ETree *et); void (*double_click) (ETree *et, int row, ETreePath path, int col, GdkEvent *event); gint (*right_click) (ETree *et, int row, ETreePath path, int col, GdkEvent *event); gint (*click) (ETree *et, int row, ETreePath path, int col, GdkEvent *event); gint (*key_press) (ETree *et, int row, ETreePath path, int col, GdkEvent *event); gint (*start_drag) (ETree *et, int row, ETreePath path, int col, GdkEvent *event); gint (*state_change) (ETree *et); gint (*white_space_event) (ETree *et, GdkEvent *event); void (*set_scroll_adjustments) (ETree *tree, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment); /* Source side drag signals */ void (* tree_drag_begin) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context); void (* tree_drag_end) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context); void (* tree_drag_data_get) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time); void (* tree_drag_data_delete) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context); /* Target side drag signals */ void (* tree_drag_leave) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context, guint time); gboolean (* tree_drag_motion) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context, gint x, gint y, guint time); gboolean (* tree_drag_drop) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context, gint x, gint y, guint time); void (* tree_drag_data_received) (ETree *tree, int row, ETreePath path, int col, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time); } ETreeClass; GType e_tree_get_type (void); gboolean e_tree_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete, const char *spec, const char *state); GtkWidget *e_tree_new (ETreeModel *etm, ETableExtras *ete, const char *spec, const char *state); /* Create an ETree using files. */ gboolean e_tree_construct_from_spec_file (ETree *e_tree, ETreeModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn); GtkWidget *e_tree_new_from_spec_file (ETreeModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn); /* To save the state */ gchar *e_tree_get_state (ETree *e_tree); void e_tree_save_state (ETree *e_tree, const gchar *filename); ETableState *e_tree_get_state_object (ETree *e_tree); ETableSpecification *e_tree_get_spec (ETree *e_tree); /* note that it is more efficient to provide the state at creation time */ void e_tree_set_search_column (ETree *e_tree, gint col); void e_tree_set_state (ETree *e_tree, const gchar *state); void e_tree_set_state_object (ETree *e_tree, ETableState *state); void e_tree_load_state (ETree *e_tree, const gchar *filename); void e_tree_set_cursor (ETree *e_tree, ETreePath path); /* NULL means we don't have the cursor. */ ETreePath e_tree_get_cursor (ETree *e_tree); void e_tree_selected_row_foreach (ETree *e_tree, EForeachFunc callback, gpointer closure); #ifdef E_TREE_USE_TREE_SELECTION void e_tree_selected_path_foreach (ETree *e_tree, ETreeForeachFunc callback, gpointer closure); void e_tree_path_foreach (ETree *e_tree, ETreeForeachFunc callback, gpointer closure); #endif gint e_tree_selected_count (ETree *e_tree); EPrintable *e_tree_get_printable (ETree *e_tree); gint e_tree_get_next_row (ETree *e_tree, gint model_row); gint e_tree_get_prev_row (ETree *e_tree, gint model_row); gint e_tree_model_to_view_row (ETree *e_tree, gint model_row); gint e_tree_view_to_model_row (ETree *e_tree, gint view_row); void e_tree_get_cell_at (ETree *tree, int x, int y, int *row_return, int *col_return); void e_tree_get_cell_geometry (ETree *tree, int row, int col, int *x_return, int *y_return, int *width_return, int *height_return); /* Useful accessors */ ETreeModel * e_tree_get_model (ETree *et); ESelectionModel *e_tree_get_selection_model (ETree *et); ETreeTableAdapter *e_tree_get_table_adapter (ETree *et); /* Drag & drop stuff. */ /* Target */ void e_tree_drag_get_data (ETree *tree, int row, int col, GdkDragContext *context, GdkAtom target, guint32 time); void e_tree_drag_highlight (ETree *tree, int row, int col); /* col == -1 to highlight entire row. */ void e_tree_drag_unhighlight (ETree *tree); void e_tree_drag_dest_set (ETree *tree, GtkDestDefaults flags, const GtkTargetEntry *targets, gint n_targets, GdkDragAction actions); void e_tree_drag_dest_set_proxy (ETree *tree, GdkWindow *proxy_window, GdkDragProtocol protocol, gboolean use_coordinates); /* There probably should be functions for setting the targets * as a GtkTargetList */ void e_tree_drag_dest_unset (GtkWidget *widget); /* Source side */ void e_tree_drag_source_set (ETree *tree, GdkModifierType start_button_mask, const GtkTargetEntry *targets, gint n_targets, GdkDragAction actions); void e_tree_drag_source_unset (ETree *tree); /* There probably should be functions for setting the targets * as a GtkTargetList */ GdkDragContext *e_tree_drag_begin (ETree *tree, int row, int col, GtkTargetList *targets, GdkDragAction actions, gint button, GdkEvent *event); /* Adapter functions */ gboolean e_tree_node_is_expanded (ETree *et, ETreePath path); void e_tree_node_set_expanded (ETree *et, ETreePath path, gboolean expanded); void e_tree_node_set_expanded_recurse (ETree *et, ETreePath path, gboolean expanded); void e_tree_root_node_set_visible (ETree *et, gboolean visible); ETreePath e_tree_node_at_row (ETree *et, int row); int e_tree_row_of_node (ETree *et, ETreePath path); gboolean e_tree_root_node_is_visible (ETree *et); void e_tree_show_node (ETree *et, ETreePath path); void e_tree_save_expanded_state (ETree *et, char *filename); void e_tree_load_expanded_state (ETree *et, char *filename); int e_tree_row_count (ETree *et); GtkWidget *e_tree_get_tooltip (ETree *et); void e_tree_load_all_expanded_state (ETree *et, gboolean state); typedef enum { E_TREE_FIND_NEXT_BACKWARD = 0, E_TREE_FIND_NEXT_FORWARD = 1 << 0, E_TREE_FIND_NEXT_WRAP = 1 << 1 } ETreeFindNextParams; gboolean e_tree_find_next (ETree *et, ETreeFindNextParams params, ETreePathFunc func, gpointer data); /* This function is only needed in single_selection_mode. */ void e_tree_right_click_up (ETree *et); ETableItem * e_tree_get_item(ETree * et); GnomeCanvasItem * e_tree_get_header_item(ETree * et); G_END_DECLS #endif /* _E_TREE_H_ */