/* -*- 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@ximian.com)
* Chris Lahey (clahey@ximian.com)
*
* Copyright 1999, 2000 Ximian, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include <libgnomeui/gnome-canvas-rect-ellipse.h>
#include "e-table-group.h"
#include "e-table-group-container.h"
#include "e-table-group-leaf.h"
#include "e-table-item.h"
#include "gal/util/e-util.h"
#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 {
CURSOR_CHANGE,
CURSOR_ACTIVATED,
DOUBLE_CLICK,
RIGHT_CLICK,
CLICK,
KEY_PRESS,
START_DRAG,
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));
etg->header = NULL;
}
if (etg->full_header) {
gtk_object_unref (GTK_OBJECT(etg->full_header));
etg->full_header = NULL;
}
if (etg->model) {
gtk_object_unref (GTK_OBJECT(etg->model));
etg->model = NULL;
}
if (GTK_OBJECT_CLASS (etg_parent_class)->destroy)
GTK_OBJECT_CLASS (etg_parent_class)->destroy (object);
}
/**
* e_table_group_new
* @parent: The %GnomeCanvasGroup to create a child of.
* @full_header: The full header of the %ETable.
* @header: The current header of the %ETable.
* @model: The %ETableModel of the %ETable.
* @sort_info: The %ETableSortInfo of the %ETable.
* @n: The grouping information object to group by.
*
* %ETableGroup is a collection of rows of an %ETable. It's a
* %GnomeCanvasItem. There are two different forms. If n < the
* number of groupings in the given %ETableSortInfo, then the
* %ETableGroup will need to contain other %ETableGroups, thus it
* creates an %ETableGroupContainer. Otherwise, it will just contain
* an %ETableItem, and thus it creates an %ETableGroupLeaf.
*
* Returns: The new %ETableGroup.
*/
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;
}
/**
* e_table_group_construct
* @parent: The %GnomeCanvasGroup to create a child of.
* @etg: The %ETableGroup to construct.
* @full_header: The full header of the %ETable.
* @header: The current header of the %ETable.
* @model: The %ETableModel of the %ETable.
*
* This routine does the base construction of the %ETableGroup.
*/
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);
}
/**
* e_table_group_add
* @etg: The %ETableGroup to add a row to
* @row: The row to add.
*
* This routine adds the given row from the %ETableModel to this set
* of rows.
*/
void
e_table_group_add (ETableGroup *etg,
gint row)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->add != NULL);
ETG_CLASS (etg)->add (etg, row);
}
/**
* e_table_group_add_array
* @etg: The %ETableGroup to add to
* @array: The array to add.
* @count: The number of times to add
*
* This routine adds all the rows in the array to this set of rows.
* It assumes that the array is already sorted properly.
*/
void
e_table_group_add_array (ETableGroup *etg,
const int *array,
int count)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->add_array != NULL);
ETG_CLASS (etg)->add_array (etg, array, count);
}
/**
* e_table_group_add_all
* @etg: The %ETableGroup to add to
*
* This routine adds all the rows from the %ETableModel to this set
* of rows.
*/
void
e_table_group_add_all (ETableGroup *etg)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->add_all != NULL);
ETG_CLASS (etg)->add_all (etg);
}
/**
* e_table_group_remove
* @etg: The %ETableGroup to remove a row from
* @row: The row to remove.
*
* This routine removes the given row from the %ETableModel from this
* set of rows.
*
* Returns: TRUE if the row was deleted and FALSE if the row was not
* found.
*/
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);
g_assert (ETG_CLASS (etg)->remove != NULL);
return ETG_CLASS (etg)->remove (etg, row);
}
/**
* e_table_group_increment
* @etg: The %ETableGroup to increment
* @position: The position to increment from
* @amount: The amount to increment.
*
* This routine adds amount to all rows greater than or equal to
* position. This is to handle when a row gets inserted into the
* model.
*/
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));
g_assert (ETG_CLASS (etg)->increment != NULL);
ETG_CLASS (etg)->increment (etg, position, amount);
}
/**
* e_table_group_increment
* @etg: The %ETableGroup to decrement
* @position: The position to decrement from
* @amount: The amount to decrement
*
* This routine removes amount from all rows greater than or equal to
* position. This is to handle when a row gets deleted from the
* model.
*/
void
e_table_group_decrement (ETableGroup *etg,
gint position,
gint amount)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->decrement != NULL);
ETG_CLASS (etg)->decrement (etg, position, amount);
}
/**
* e_table_group_increment
* @etg: The %ETableGroup to count
*
* This routine calculates the number of rows shown in this group.
*
* Returns: The number of rows.
*/
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), -1);
g_assert (ETG_CLASS (etg)->row_count != NULL);
return ETG_CLASS (etg)->row_count (etg);
}
/**
* e_table_group_set_focus
* @etg: The %ETableGroup to set
* @direction: The direction the focus is coming from.
* @view_col: The column to set the focus in.
*
* Sets the focus to this widget. Places the focus in the view column
* coming from direction direction.
*/
void
e_table_group_set_focus (ETableGroup *etg,
EFocus direction,
gint view_col)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->set_focus != NULL);
ETG_CLASS (etg)->set_focus (etg, direction, view_col);
}
/**
* e_table_group_get_focus
* @etg: The %ETableGroup to check
*
* Calculates if this group has the focus.
*
* Returns: TRUE if this group has the focus.
*/
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);
g_assert (ETG_CLASS (etg)->get_focus != NULL);
return ETG_CLASS (etg)->get_focus (etg);
}
/**
* e_table_group_get_focus_column
* @etg: The %ETableGroup to check
*
* Calculates which column in this group has the focus.
*
* Returns: The column index (view column).
*/
gint
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), -1);
g_assert (ETG_CLASS (etg)->get_focus_column != NULL);
return ETG_CLASS (etg)->get_focus_column (etg);
}
/**
* e_table_group_get_printable
* @etg: %ETableGroup which will be printed
*
* This routine creates and returns an %EPrintable that can be used to
* print the given %ETableGroup.
*
* Returns: The %EPrintable.
*/
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);
g_assert (ETG_CLASS (etg)->get_printable != NULL);
return ETG_CLASS (etg)->get_printable (etg);
}
/**
* e_table_group_compute_location
* @eti: %ETableGroup to look in.
* @x: A pointer to the x location to find in the %ETableGroup.
* @y: A pointer to the y location to find in the %ETableGroup.
* @row: A pointer to the location to store the found row in.
* @col: A pointer to the location to store the found col in.
*
* This routine locates the pixel location (*x, *y) in the
* %ETableGroup. If that location is in the %ETableGroup, *row and
* *col are set to the view row and column where it was found. If
* that location is not in the %ETableGroup, the height of the
* %ETableGroup is removed from the value y points to.
*/
void
e_table_group_compute_location (ETableGroup *etg, int *x, int *y, int *row, int *col)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->compute_location != NULL);
ETG_CLASS (etg)->compute_location (etg, x, y, row, col);
}
/**
* e_table_group_get_position
* @eti: %ETableGroup to look in.
* @x: A pointer to the location to store the found x location in.
* @y: A pointer to the location to store the found y location in.
* @row: A pointer to the row number to find.
* @col: A pointer to the col number to find.
*
* This routine finds the view cell (row, col) in the %ETableGroup.
* If that location is in the %ETableGroup *x and *y are set to the
* upper left hand corner of the cell found. If that location is not
* in the %ETableGroup, the number of rows in the %ETableGroup is
* removed from the value row points to.
*/
void
e_table_group_get_cell_geometry (ETableGroup *etg,
int *row,
int *col,
int *x,
int *y,
int *width,
int *height)
{
g_return_if_fail (etg != NULL);
g_return_if_fail (E_IS_TABLE_GROUP (etg));
g_assert (ETG_CLASS (etg)->get_cell_geometry != NULL);
ETG_CLASS (etg)->get_cell_geometry (etg, row, col, x, y, width, height);
}
/**
* e_table_group_cursor_change
* @eti: %ETableGroup to emit the signal on
* @row: The new cursor row (model row)
*
* This routine emits the "cursor_change" signal.
*/
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);
}
/**
* e_table_group_cursor_activated
* @eti: %ETableGroup to emit the signal on
* @row: The cursor row (model row)
*
* This routine emits the "cursor_activated" signal.
*/
void
e_table_group_cursor_activated (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_ACTIVATED],
row);
}
/**
* e_table_group_double_click
* @eti: %ETableGroup to emit the signal on
* @row: The row clicked on (model row)
* @col: The col clicked on (model col)
* @event: The event that caused this signal
*
* This routine emits the "double_click" signal.
*/
void
e_table_group_double_click (ETableGroup *e_table_group, gint row, gint col, GdkEvent *event)
{
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, col, event);
}
/**
* e_table_group_right_click
* @eti: %ETableGroup to emit the signal on
* @row: The row clicked on (model row)
* @col: The col clicked on (model col)
* @event: The event that caused this signal
*
* This routine emits the "right_click" signal.
*/
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;
}
/**
* e_table_group_click
* @eti: %ETableGroup to emit the signal on
* @row: The row clicked on (model row)
* @col: The col clicked on (model col)
* @event: The event that caused this signal
*
* This routine emits the "click" signal.
*/
gint
e_table_group_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 [CLICK],
row, col, event, &return_val);
return return_val;
}
/**
* e_table_group_key_press
* @eti: %ETableGroup to emit the signal on
* @row: The cursor row (model row)
* @col: The cursor col (model col)
* @event: The event that caused this signal
*
* This routine emits the "key_press" signal.
*/
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;
}
/**
* e_table_group_start_drag
* @eti: %ETableGroup to emit the signal on
* @row: The cursor row (model row)
* @col: The cursor col (model col)
* @event: The event that caused this signal
*
* This routine emits the "start_drag" signal.
*/
gint
e_table_group_start_drag (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 [START_DRAG],
row, col, event, &return_val);
return return_val;
}
/**
* e_table_group_get_header
* @eti: %ETableGroup to check
*
* This routine returns the %ETableGroup's header.
*
* Returns: The %ETableHeader.
*/
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->cursor_change = NULL;
klass->cursor_activated = NULL;
klass->double_click = NULL;
klass->right_click = NULL;
klass->click = NULL;
klass->key_press = NULL;
klass->start_drag = NULL;
klass->add = NULL;
klass->add_array = NULL;
klass->add_all = NULL;
klass->remove = NULL;
klass->row_count = NULL;
klass->increment = NULL;
klass->decrement = NULL;
klass->set_focus = NULL;
klass->get_focus = etg_get_focus;
klass->get_printable = NULL;
klass->compute_location = NULL;
klass->get_cell_geometry = NULL;
etg_parent_class = gtk_type_class (PARENT_TYPE);
etg_signals [CURSOR_CHANGE] =
gtk_signal_new ("cursor_change",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, cursor_change),
gtk_marshal_NONE__INT,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
etg_signals [CURSOR_ACTIVATED] =
gtk_signal_new ("cursor_activated",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, cursor_activated),
gtk_marshal_NONE__INT,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
etg_signals [DOUBLE_CLICK] =
gtk_signal_new ("double_click",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, double_click),
gtk_marshal_NONE__INT_INT_POINTER,
GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
etg_signals [RIGHT_CLICK] =
gtk_signal_new ("right_click",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, right_click),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
etg_signals [CLICK] =
gtk_signal_new ("click",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, click),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
etg_signals [KEY_PRESS] =
gtk_signal_new ("key_press",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, key_press),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
etg_signals [START_DRAG] =
gtk_signal_new ("start_drag",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableGroupClass, start_drag),
e_marshal_INT__INT_INT_POINTER,
GTK_TYPE_INT, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
E_OBJECT_CLASS_ADD_SIGNALS (object_class, etg_signals, LAST_SIGNAL);
}
E_MAKE_TYPE (e_table_group, "ETableGroup", ETableGroup, etg_class_init, NULL, PARENT_TYPE);
