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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 NAUTILUS_ICON_CONTAINER_PRIVATE_H
#define NAUTILUS_ICON_CONTAINER_PRIVATE_H
#include "nautilus-entry.h"
#include "nautilus-glib-extensions.h"
#include "nautilus-icon-container.h"
#include "nautilus-icon-dnd.h"
#include "nautilus-icon-factory.h"
#include "nautilus-icon-canvas-item.h"
#include "nautilus-icon-text-item.h"
/* An Icon. */
typedef struct {
/* Object represented by this icon. */
NautilusIconData *data;
/* Canvas item for the icon. */
NautilusIconCanvasItem *item;
/* X/Y coordinates. */
double x, y;
/* Scale factor (stretches icon). */
double scale_x, scale_y;
/* Whether this item is selected. */
nautilus_boolean_bit is_selected : 1;
/* Whether this item was selected before rubberbanding. */
nautilus_boolean_bit was_selected_before_rubberband : 1;
} NautilusIcon;
/* Private NautilusIconContainer members. */
typedef struct {
gboolean active;
double start_x, start_y;
GnomeCanvasItem *selection_rectangle;
guint timer_id;
guint prev_x, prev_y;
ArtDRect prev_rect;
} NautilusIconRubberbandInfo;
typedef enum {
DRAG_STATE_INITIAL,
DRAG_STATE_MOVE_OR_COPY,
DRAG_STATE_MOVE_COPY_OR_MENU,
DRAG_STATE_STRETCH
} DragState;
typedef struct {
/* Pointer position in canvas coordinates. */
int pointer_x, pointer_y;
/* Icon top, left, and size in canvas coordinates. */
int icon_x, icon_y;
guint icon_size;
} StretchState;
typedef enum {
AXIS_NONE,
AXIS_HORIZONTAL,
AXIS_VERTICAL
} Axis;
typedef struct {
char *type_select_pattern;
guint64 last_typeselect_time;
} TypeSelectState;
struct NautilusIconContainerDetails {
/* List of icons. */
GList *icons;
GList *new_icons;
/* Current icon for keyboard navigation. */
NautilusIcon *keyboard_focus;
/* Current icon with stretch handles, so we have only one. */
NautilusIcon *stretch_icon;
double stretch_initial_x, stretch_initial_y;
guint stretch_initial_size;
/* Last highlighted drop target. */
NautilusIcon *drop_target;
/* Rubberbanding status. */
NautilusIconRubberbandInfo 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 keyboard_icon_reveal_timer_id;
NautilusIcon *keyboard_icon_to_reveal;
/* If a request is made to reveal an unpositioned icon we remember
* it and reveal it once it gets positioned (in relayout).
*/
NautilusIcon *pending_icon_to_reveal;
/* If a request is made to rename an unpositioned icon we remember
* it and start renaming it once it gets positioned (in relayout).
*/
NautilusIcon *pending_icon_to_rename;
/* Remembered information about the start of the current event. */
guint32 button_down_time;
/* Drag state. Valid only if drag_button is non-zero. */
guint drag_button;
NautilusIcon *drag_icon;
int drag_x, drag_y;
DragState drag_state;
gboolean drag_started;
StretchState stretch_start;
int context_menu_timeout_id;
/* Renaming Details */
gboolean renaming;
NautilusIconTextItem *rename_widget; /* Editable text item */
char *original_text; /* Copy of editable text for later compare */
/* typeahead selection state */
TypeSelectState *type_select_state;
/* Idle ID. */
guint idle_id;
/* Idle handler for stretch code */
guint stretch_idle_id;
/* Timeout for selection in browser mode. */
guint linger_selection_mode_timer_id;
/* Icon to be selected at timeout in browser mode. */
NautilusIcon *linger_selection_mode_icon;
/* DnD info. */
NautilusIconDndInfo *dnd_info;
/* zoom level */
int zoom_level;
/* fonts used to draw labels in regular mode */
GdkFont *label_font[NAUTILUS_ZOOM_LEVEL_LARGEST + 1];
/* font used to draw labels in smooth mode */
NautilusScalableFont *smooth_label_font;
int font_size_table[NAUTILUS_ZOOM_LEVEL_LARGEST + 1];
/* pixbuf and color for label highlighting */
GdkPixbuf *highlight_frame;
guint32 highlight_color;
/* color for text labels */
guint32 label_color;
guint32 label_info_color;
/* State used so arrow keys don't wander if icons aren't lined up.
* Keeps track of last axis arrow key was used on.
*/
Axis arrow_key_axis;
int arrow_key_start;
/* Mode settings. */
gboolean single_click_mode;
gboolean auto_layout;
gboolean tighter_layout;
/* Layout mode */
NautilusIconLayoutMode layout_mode;
/* Set to TRUE after first allocation has been done */
gboolean has_been_allocated;
/* Is the container fixed or resizable */
gboolean is_fixed_size;
/* Ignore the visible area the next time the scroll region is recomputed */
gboolean reset_scroll_region_trigger;
/* The position we are scaling to on stretch */
int window_x;
int window_y;
/* margins to follow, used for the desktop panel avoidance */
int left_margin;
int right_margin;
int top_margin;
int bottom_margin;
};
/* Private functions shared by mutiple files. */
NautilusIcon *nautilus_icon_container_get_icon_by_uri (NautilusIconContainer *container,
const char *uri);
void nautilus_icon_container_move_icon (NautilusIconContainer *container,
NautilusIcon *icon,
int x,
int y,
double scale_x,
double scale_y,
gboolean raise,
gboolean update_position);
void nautilus_icon_container_select_list_unselect_others (NautilusIconContainer *container,
GList *icons);
char * nautilus_icon_container_get_icon_uri (NautilusIconContainer *container,
NautilusIcon *icon);
char * nautilus_icon_container_get_icon_drop_target_uri (NautilusIconContainer *container,
NautilusIcon *icon);
void nautilus_icon_container_update_icon (NautilusIconContainer *container,
NautilusIcon *icon);
void nautilus_icon_container_flush_typeselect_state (NautilusIconContainer *container);
gboolean nautilus_icon_container_has_stored_icon_positions (NautilusIconContainer *container);
gboolean nautilus_icon_container_emit_preview_signal (NautilusIconContainer *view,
NautilusIcon *icon,
gboolean start_flag);
gboolean nautilus_icon_container_scroll (NautilusIconContainer *container,
int delta_x,
int delta_y);
void nautilus_icon_container_update_scroll_region (NautilusIconContainer *container);
/* label color for items */
guint32 nautilus_icon_container_get_label_color (NautilusIconContainer *container,
gboolean first_line);
#endif /* NAUTILUS_ICON_CONTAINER_PRIVATE_H */
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