141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Chris Lahey <clahey@ximian.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#ifndef __E_REFLOW_H__
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#define __E_REFLOW_H__
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#include <libgnomecanvas/gnome-canvas.h>
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#include <text/e-reflow-model.h>
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#include <misc/e-selection-model.h>
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#include <e-util/e-sorter-array.h>
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G_BEGIN_DECLS
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/* EReflow - A canvas item container.
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*
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* The following arguments are available:
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*
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* name type read/write description
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* --------------------------------------------------------------------------------
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* minimum_width double RW minimum width of the reflow. width >= minimum_width
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* width double R width of the reflow
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* height double RW height of the reflow
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*/
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#define E_REFLOW_TYPE (e_reflow_get_type ())
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#define E_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_REFLOW_TYPE, EReflow))
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#define E_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), E_REFLOW_TYPE, EReflowClass))
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#define E_IS_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_REFLOW_TYPE))
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#define E_IS_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), E_REFLOW_TYPE))
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typedef struct EReflowPriv EReflowPriv;
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typedef struct _EReflow EReflow;
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typedef struct _EReflowClass EReflowClass;
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struct _EReflow
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{
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GnomeCanvasGroup parent;
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/* item specific fields */
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EReflowModel *model;
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guint model_changed_id;
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guint comparison_changed_id;
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guint model_items_inserted_id;
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guint model_item_removed_id;
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guint model_item_changed_id;
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ESelectionModel *selection;
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guint selection_changed_id;
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guint selection_row_changed_id;
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guint cursor_changed_id;
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ESorterArray *sorter;
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GtkAdjustment *adjustment;
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guint adjustment_changed_id;
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guint adjustment_value_changed_id;
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guint set_scroll_adjustments_id;
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gint *heights;
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GnomeCanvasItem **items;
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gint count;
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gint allocated_count;
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gint *columns;
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gint column_count; /* Number of columnns */
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GnomeCanvasItem *empty_text;
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gchar *empty_message;
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double minimum_width;
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double width;
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double height;
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double column_width;
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gint incarnate_idle_id;
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gint do_adjustment_idle_id;
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/* These are all for when the column is being dragged. */
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gdouble start_x;
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gint which_column_dragged;
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double temp_column_width;
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double previous_temp_column_width;
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gint cursor_row;
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gint reflow_from_column;
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guint column_drag : 1;
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guint need_height_update : 1;
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guint need_column_resize : 1;
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guint need_reflow_columns : 1;
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guint default_cursor_shown : 1;
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guint maybe_did_something : 1;
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guint maybe_in_drag : 1;
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GdkCursor *arrow_cursor;
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GdkCursor *default_cursor;
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};
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struct _EReflowClass
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{
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GnomeCanvasGroupClass parent_class;
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gint (*selection_event) (EReflow *reflow, GnomeCanvasItem *item, GdkEvent *event);
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void (*column_width_changed) (EReflow *reflow, double width);
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};
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/*
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* To be added to a reflow, an item must have the argument "width" as
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* a Read/Write argument and "height" as a Read Only argument. It
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* should also do an ECanvas parent reflow request if its size
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* changes.
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*/
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GType e_reflow_get_type (void);
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G_END_DECLS
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#endif /* __E_REFLOW_H__ */
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