diff options
Diffstat (limited to 'widgets/text/e-reflow.h')
| -rw-r--r-- | widgets/text/e-reflow.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/widgets/text/e-reflow.h b/widgets/text/e-reflow.h new file mode 100644 index 0000000000..234dbc16a2 --- /dev/null +++ b/widgets/text/e-reflow.h @@ -0,0 +1,141 @@ +/* + * 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> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __E_REFLOW_H__ +#define __E_REFLOW_H__ + +#include <libgnomecanvas/gnome-canvas.h> +#include <text/e-reflow-model.h> +#include <misc/e-selection-model.h> +#include <e-util/e-sorter-array.h> + +G_BEGIN_DECLS + +/* EReflow - A canvas item container. + * + * The following arguments are available: + * + * name type read/write description + * -------------------------------------------------------------------------------- + * minimum_width double RW minimum width of the reflow. width >= minimum_width + * width double R width of the reflow + * height double RW height of the reflow + */ + +#define E_REFLOW_TYPE (e_reflow_get_type ()) +#define E_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_REFLOW_TYPE, EReflow)) +#define E_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), E_REFLOW_TYPE, EReflowClass)) +#define E_IS_REFLOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_REFLOW_TYPE)) +#define E_IS_REFLOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), E_REFLOW_TYPE)) + + +typedef struct EReflowPriv EReflowPriv; + +typedef struct _EReflow EReflow; +typedef struct _EReflowClass EReflowClass; + +struct _EReflow +{ + GnomeCanvasGroup parent; + + /* item specific fields */ + EReflowModel *model; + guint model_changed_id; + guint comparison_changed_id; + guint model_items_inserted_id; + guint model_item_removed_id; + guint model_item_changed_id; + + ESelectionModel *selection; + guint selection_changed_id; + guint selection_row_changed_id; + guint cursor_changed_id; + ESorterArray *sorter; + + GtkAdjustment *adjustment; + guint adjustment_changed_id; + guint adjustment_value_changed_id; + guint set_scroll_adjustments_id; + + gint *heights; + GnomeCanvasItem **items; + gint count; + gint allocated_count; + + gint *columns; + gint column_count; /* Number of columnns */ + + GnomeCanvasItem *empty_text; + gchar *empty_message; + + double minimum_width; + double width; + double height; + + double column_width; + + gint incarnate_idle_id; + gint do_adjustment_idle_id; + + /* These are all for when the column is being dragged. */ + gdouble start_x; + gint which_column_dragged; + double temp_column_width; + double previous_temp_column_width; + + gint cursor_row; + + gint reflow_from_column; + + guint column_drag : 1; + + guint need_height_update : 1; + guint need_column_resize : 1; + guint need_reflow_columns : 1; + + guint default_cursor_shown : 1; + + guint maybe_did_something : 1; + guint maybe_in_drag : 1; + GdkCursor *arrow_cursor; + GdkCursor *default_cursor; +}; + +struct _EReflowClass +{ + GnomeCanvasGroupClass parent_class; + + gint (*selection_event) (EReflow *reflow, GnomeCanvasItem *item, GdkEvent *event); + void (*column_width_changed) (EReflow *reflow, double width); +}; + +/* + * To be added to a reflow, an item must have the argument "width" as + * a Read/Write argument and "height" as a Read Only argument. It + * should also do an ECanvas parent reflow request if its size + * changes. + */ +GType e_reflow_get_type (void); + +G_END_DECLS + +#endif /* __E_REFLOW_H__ */ |