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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* gnome-icon-container-private.h
Copyright (C) 1999, 2000 Free Software Foundation
Copyright (C) 2000 Eazel, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Author: Ettore Perazzoli <ettore@gnu.org>
*/
#ifndef GNOME_ICON_CONTAINER_PRIVATE_H
#define GNOME_ICON_CONTAINER_PRIVATE_H
#include "gnome-icon-container.h"
#include "gnome-icon-container-dnd.h"
#include "nautilus-icon-factory.h"
#include "nautilus-icons-view-icon-item.h"
/* An Icon. */
typedef struct {
/* Canvas item for the icon. */
NautilusIconsViewIconItem *item;
/* X/Y coordinates and size. We could use the GnomeCanvasItem
* functions, but this is a lot faster
*/
double x, y;
/* Whether this item is selected for operation. */
gboolean is_selected : 1;
/* Whether this item is selected for keyboard navigation. */
gboolean is_current : 1;
/* Whether this item has been repositioned during layout already. */
gboolean layout_done : 1;
/* Whether this item was selected before rubberbanding. */
gboolean was_selected_before_rubberband : 1;
NautilusControllerIcon *data;
} GnomeIconContainerIcon;
#define INITIAL_GRID_WIDTH 64
#define INITIAL_GRID_HEIGHT 64
typedef struct {
/* Size of the grid. */
guint width, height;
/* This is the width that we can actually use for finding an empty
* position.
*/
guint visible_width;
/* Array of grid elements. */
GList **elems;
/* Size of the allocated array. */
guint alloc_width, alloc_height;
/* Position of the first free cell (used to speed up progressive
* updates). If negative, there is no free cell.
*/
int first_free_x, first_free_y;
} GnomeIconContainerIconGrid;
/* Private GnomeIconContainer members. */
typedef struct {
gboolean active;
double start_x, start_y;
GnomeCanvasItem *selection_rectangle;
guint timer_id;
guint prev_x, prev_y;
guint prev_x1, prev_y1;
guint prev_x2, prev_y2;
} GnomeIconContainerRubberbandInfo;
struct _GnomeIconContainerDetails {
NautilusIconsController *controller;
/* linger selection mode setting. */
gboolean linger_selection_mode;
/* single-click mode setting */
gboolean single_click_mode;
/* Size of the container. */
guint width, height;
/* List of icons. */
GList *icons;
guint num_icons;
/* The grid. */
GnomeIconContainerIconGrid *grid;
/* FIXME: This is *ugly*, but more efficient (both memory- and
speed-wise) than using gtk_object_{set,get}_data() for all the
icon items. */
GHashTable *canvas_item_to_icon;
/* Current icon for keyboard navigation. */
GnomeIconContainerIcon *kbd_current;
/* Rubberbanding status. */
GnomeIconContainerRubberbandInfo rubberband_info;
/* Timeout used to make a selected icon fully visible after a short
* period of time. (The timeout is needed to make sure
* double-clicking still works.)
*/
guint kbd_icon_visibility_timer_id;
/* the time the mouse button went down in milliseconds */
guint32 button_down_time;
/* Position of the pointer during the last click. */
int drag_x, drag_y;
/* Button currently pressed, possibly for dragging. */
guint drag_button;
/* Icon on which the click happened. */
GnomeIconContainerIcon *drag_icon;
/* Whether we are actually performing a dragging action. */
gboolean doing_drag;
/* Idle ID. */
guint idle_id;
/* Timeout for selection in browser mode. */
guint linger_selection_mode_timer_id;
/* Icon to be selected at timeout in browser mode. */
GnomeIconContainerIcon *linger_selection_mode_icon;
/* DnD info. */
GnomeIconContainerDndInfo *dnd_info;
/* zoom level */
int zoom_level;
/* default fonts used to draw labels */
GdkFont *label_font[NAUTILUS_ZOOM_LEVEL_LARGEST + 1];
};
/* Layout and icon size constants.
These will change based on the zoom level eventually, so they
should probably become function calls instead of macros.
*/
#define GNOME_ICON_CONTAINER_CELL_WIDTH(container) 80
#define GNOME_ICON_CONTAINER_CELL_HEIGHT(container) 80
#define GNOME_ICON_CONTAINER_CELL_SPACING(container) 4
#define GNOME_ICON_CONTAINER_ICON_WIDTH(container) NAUTILUS_ICON_LEVEL_STANDARD
#define GNOME_ICON_CONTAINER_ICON_HEIGHT(container) NAUTILUS_ICON_LEVEL_STANDARD
/* Private functions shared by mutiple files. */
GnomeIconContainerIcon *gnome_icon_container_get_icon_by_uri (GnomeIconContainer *container,
const char *uri);
void gnome_icon_container_move_icon (GnomeIconContainer *container,
GnomeIconContainerIcon *icon,
int x,
int y,
gboolean raise);
void gnome_icon_container_select_list_unselect_others (GnomeIconContainer *container,
GList *icons);
#endif /* GNOME_ICON_CONTAINER_PRIVATE_H */
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