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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,
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;
}
void
e_table_group_unfocus (ETableGroup *etg)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
if (ETG_CLASS (etg)->unfocus)
ETG_CLASS (etg)->unfocus (etg);
}
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;
}
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_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 [DOUBLE_CLICK],
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->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->unfocus = NULL;
klass->get_focus = etg_get_focus;
klass->get_ecol = 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 [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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