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evolution/widgets/table/e-table-group.c
Christopher James Lahey c62863d087 Removed the unfocus method since that's handled by the canvas itself now. 
2000-06-20  Christopher James Lahey  <clahey@helixcode.com>

	* e-table-group-container.c, e-table-group-leaf.c,
	e-table-group.c, e-table-group.h: Removed the unfocus method since
	that's handled by the canvas itself now.

	* e-table-item.c, e-table-item.h: Finished adapting ETableItem to
	use the canvas selection/cursor system.  Selection and cursor now
	use row numbers associated with the source model instead of the
	sorted model (if the model they are given is an ETableSubset.)
	This has no effect on the interface, except that unfocus was
	removed and e_table_item_focus was renamed to
	e_table_item_set_cursor.

svn path=/trunk/; revision=3660
2000-06-21 03:07:30 +00:00

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* E-Table-Group.c: Implements the grouping objects for elements on a table
*
* Author:
* Miguel de Icaza (miguel@helixcode.com)
* Chris Lahey (clahey@helixcode.com)
*
* Copyright 1999, 2000 Helix Code, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-table-group.h"
#include "e-table-group-container.h"
#include "e-table-group-leaf.h"
#include "e-table-item.h"
#include <libgnomeui/gnome-canvas-rect-ellipse.h>
#include "e-util/e-util.h"
#define TITLE_HEIGHT 16
#define GROUP_INDENT 10
#define PARENT_TYPE gnome_canvas_group_get_type ()
#define ETG_CLASS(e) (E_TABLE_GROUP_CLASS(GTK_OBJECT(e)->klass))
static GnomeCanvasGroupClass *etg_parent_class;
enum {
ROW_SELECTION,
CURSOR_CHANGE,
DOUBLE_CLICK,
RIGHT_CLICK,
KEY_PRESS,
LAST_SIGNAL
};
static gint etg_signals [LAST_SIGNAL] = { 0, };
static gboolean etg_get_focus (ETableGroup *etg);
static void etg_destroy (GtkObject *object);
static void
etg_destroy (GtkObject *object)
{
ETableGroup *etg = E_TABLE_GROUP(object);
if (etg->header)
gtk_object_unref (GTK_OBJECT(etg->header));
if (etg->full_header)
gtk_object_unref (GTK_OBJECT(etg->full_header));
if (etg->model)
gtk_object_unref (GTK_OBJECT(etg->model));
if (GTK_OBJECT_CLASS (etg_parent_class)->destroy)
GTK_OBJECT_CLASS (etg_parent_class)->destroy (object);
}
ETableGroup *
e_table_group_new (GnomeCanvasGroup *parent,
ETableHeader *full_header,
ETableHeader *header,
ETableModel *model,
ETableSortInfo *sort_info,
int n)
{
g_return_val_if_fail (model != NULL, NULL);
if (n < e_table_sort_info_grouping_get_count(sort_info)) {
return e_table_group_container_new (parent, full_header, header, model, sort_info, n);
} else {
return e_table_group_leaf_new (parent, full_header, header, model, sort_info);
}
return NULL;
}
void
e_table_group_construct (GnomeCanvasGroup *parent,
ETableGroup *etg,
ETableHeader *full_header,
ETableHeader *header,
ETableModel *model)
{
etg->full_header = full_header;
gtk_object_ref (GTK_OBJECT(etg->full_header));
etg->header = header;
gtk_object_ref (GTK_OBJECT(etg->header));
etg->model = model;
gtk_object_ref (GTK_OBJECT(etg->model));
gnome_canvas_item_constructv (GNOME_CANVAS_ITEM (etg), parent, 0, NULL);
}
void
e_table_group_add (ETableGroup *etg,
gint row)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->add)
ETG_CLASS (etg)->add (etg, row);
}
void
e_table_group_add_all (ETableGroup *etg)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->add_all)
ETG_CLASS (etg)->add_all (etg);
}
gboolean
e_table_group_remove (ETableGroup *etg,
gint row)
{
g_return_val_if_fail (etg != NULL, FALSE);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), FALSE);
if (ETG_CLASS (etg)->remove)
return ETG_CLASS (etg)->remove (etg, row);
else
return FALSE;
}
gint
e_table_group_get_count (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, 0);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), 0);
if (ETG_CLASS (etg)->get_count)
return ETG_CLASS (etg)->get_count (etg);
else
return 0;
}
gint
e_table_group_row_count (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, 0);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), 0);
if (ETG_CLASS (etg)->row_count)
return ETG_CLASS (etg)->row_count (etg);
else
return 0;
}
void
e_table_group_increment (ETableGroup *etg,
gint position,
gint amount)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->increment)
ETG_CLASS (etg)->increment (etg, position, amount);
}
void
e_table_group_set_focus (ETableGroup *etg,
EFocus direction,
gint row)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->set_focus)
ETG_CLASS (etg)->set_focus (etg, direction, row);
}
void
e_table_group_select_row (ETableGroup *etg,
gint row)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->select_row)
ETG_CLASS (etg)->select_row (etg, row);
}
int
e_table_group_get_selected_view_row (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, -1);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), -1);
if (ETG_CLASS (etg)->get_selected_view_row)
return ETG_CLASS (etg)->get_selected_view_row (etg);
else
return -1;
}
gboolean
e_table_group_get_focus (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, FALSE);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), FALSE);
if (ETG_CLASS (etg)->get_focus)
return ETG_CLASS (etg)->get_focus (etg);
else
return FALSE;
}
gboolean
e_table_group_get_focus_column (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, FALSE);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), FALSE);
if (ETG_CLASS (etg)->get_focus_column)
return ETG_CLASS (etg)->get_focus_column (etg);
else
return FALSE;
}
ETableCol *
e_table_group_get_ecol (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), NULL);
if (ETG_CLASS (etg)->get_ecol)
return ETG_CLASS (etg)->get_ecol (etg);
else
return NULL;
}
EPrintable *
e_table_group_get_printable (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), NULL);
if (ETG_CLASS (etg)->get_printable)
return ETG_CLASS (etg)->get_printable (etg);
else
return NULL;
}
void
e_table_group_row_selection (ETableGroup *e_table_group, gint row, gboolean selected)
{
g_return_if_fail (e_table_group != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (e_table_group));
gtk_signal_emit (GTK_OBJECT (e_table_group),
etg_signals [ROW_SELECTION],
row, selected);
}
void
e_table_group_cursor_change (ETableGroup *e_table_group, gint row)
{
g_return_if_fail (e_table_group != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (e_table_group));
gtk_signal_emit (GTK_OBJECT (e_table_group),
etg_signals [CURSOR_CHANGE],
row);
}
void
e_table_group_double_click (ETableGroup *e_table_group, gint row)
{
g_return_if_fail (e_table_group != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (e_table_group));
gtk_signal_emit (GTK_OBJECT (e_table_group),
etg_signals [DOUBLE_CLICK],
row);
}
gint
e_table_group_right_click (ETableGroup *e_table_group, gint row, gint col, GdkEvent *event)
{
gint return_val = 0;
g_return_val_if_fail (e_table_group != NULL, 0);
g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
gtk_signal_emit (GTK_OBJECT (e_table_group),
etg_signals [RIGHT_CLICK],
row, col, event, &return_val);
return return_val;
}
gint
e_table_group_key_press (ETableGroup *e_table_group, gint row, gint col, GdkEvent *event)
{
gint return_val = 0;
g_return_val_if_fail (e_table_group != NULL, 0);
g_return_val_if_fail (E_IS_TABLE_GROUP (e_table_group), 0);
gtk_signal_emit (GTK_OBJECT (e_table_group),
etg_signals [KEY_PRESS],
row, col, event, &return_val);
return return_val;
}
ETableHeader *
e_table_group_get_header (ETableGroup *etg)
{
g_return_val_if_fail (etg != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_GROUP (etg), NULL);
return etg->header;
}
static int
etg_event (GnomeCanvasItem *item, GdkEvent *event)
{
ETableGroup *etg = E_TABLE_GROUP (item);
gboolean return_val = TRUE;
switch (event->type) {
case GDK_FOCUS_CHANGE:
etg->has_focus = event->focus_change.in;
return_val = FALSE;
default:
return_val = FALSE;
}
if (return_val == FALSE){
if (GNOME_CANVAS_ITEM_CLASS(etg_parent_class)->event)
return GNOME_CANVAS_ITEM_CLASS(etg_parent_class)->event (item, event);
}
return return_val;
}
static gboolean
etg_get_focus (ETableGroup *etg)
{
return etg->has_focus;
}
static void
etg_class_init (GtkObjectClass *object_class)
{
GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
ETableGroupClass *klass = (ETableGroupClass *) object_class;
object_class->destroy = etg_destroy;
item_class->event = etg_event;
klass->row_selection = NULL;
klass->cursor_change = NULL;
klass->double_click = NULL;
klass->right_click = NULL;
klass->key_press = NULL;
klass->add = NULL;
klass->add_all = NULL;
klass->remove = NULL;
klass->get_count = NULL;
klass->row_count = NULL;
klass->increment = NULL;
klass->set_focus = NULL;
klass->select_row = NULL;
klass->get_selected_view_row = NULL;
klass->get_focus = etg_get_focus;
klass->get_ecol = NULL;
klass->get_printable = NULL;
etg_parent_class = gtk_type_class (PARENT_TYPE);
etg_signals [ROW_SELECTION] =
gtk_signal_new ("row_selection",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableGroupClass, row_selection),
gtk_marshal_NONE__INT_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
etg_signals [CURSOR_CHANGE] =
gtk_signal_new ("cursor_change",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableGroupClass, cursor_change),
gtk_marshal_NONE__INT,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
etg_signals [DOUBLE_CLICK] =
gtk_signal_new ("double_click",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableGroupClass, double_click),
gtk_marshal_NONE__INT,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
etg_signals [RIGHT_CLICK] =
gtk_signal_new ("right_click",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableGroupClass, right_click),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_POINTER);
etg_signals [KEY_PRESS] =
gtk_signal_new ("key_press",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (ETableGroupClass, key_press),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_POINTER);
gtk_object_class_add_signals (object_class, etg_signals, LAST_SIGNAL);
}
E_MAKE_TYPE (e_table_group, "ETableGroup", ETableGroup, etg_class_init, NULL, PARENT_TYPE);
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