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Copy pathnemo-icon-view-container.c
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nemo-icon-view-container.c
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/* -*- Mode: C; indent-tabs-mode: f; c-basic-offset: 4; tab-width: 4 -*- */
/* fm-icon-container.h - the container widget for file manager icons
Copyright (C) 2002 Sun Microsystems, 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., 51 Franklin Street - Suite 500,
Boston, MA 02110-1335, USA.
Author: Michael Meeks <michael@ximian.com>
*/
#include <config.h>
#include "nemo-icon-view-container.h"
#include <string.h>
#include <errno.h>
#include <math.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <eel/eel-glib-extensions.h>
#include "nemo-icon-private.h"
#include <libnemo-private/nemo-global-preferences.h>
#include <libnemo-private/nemo-file-attributes.h>
#include <libnemo-private/nemo-metadata.h>
#include <libnemo-private/nemo-thumbnails.h>
#include <libnemo-private/nemo-desktop-icon-file.h>
#include <libnemo-private/nemo-desktop-utils.h>
#define DEBUG_FLAG NEMO_DEBUG_ICON_CONTAINER
#include "nemo-debug.h"
/* Maximum size (pixels) allowed for icons at the standard zoom level. */
#define MINIMUM_IMAGE_SIZE 24
#define MAXIMUM_IMAGE_SIZE 96
/* If icon size is bigger than this, request large embedded text.
* Its selected so that the non-large text should fit in "normal" icon sizes
*/
#define ICON_SIZE_FOR_LARGE_EMBEDDED_TEXT 55
static void get_max_icon_dimensions (GList *icon_start,
GList *icon_end,
double *max_icon_width,
double *max_icon_height,
double *max_text_width,
double *max_text_height,
double *max_bounds_height);
static void find_empty_location (NemoIconContainer *container,
NemoPlacementGrid *grid,
NemoIcon *icon,
int start_x,
int start_y,
int *x,
int *y);
G_DEFINE_TYPE (NemoIconViewContainer, nemo_icon_view_container, NEMO_TYPE_ICON_CONTAINER);
static GQuark attribute_none_q;
static GQuark *caption_attributes = NULL;
static NemoIconView *
get_icon_view (NemoIconContainer *container)
{
/* Type unsafe comparison for performance */
return ((NemoIconViewContainer *)container)->view;
}
static NemoIconInfo *
nemo_icon_view_container_get_icon_images (NemoIconContainer *container,
NemoIconData *data,
int size,
gboolean for_drag_accept,
gboolean *has_window_open,
gboolean visible)
{
NemoIconView *icon_view;
NemoFile *file;
NemoFileIconFlags flags;
NemoIconInfo *icon_info;
GdkPixbuf *pixbuf;
GIcon *emblemed_icon;
GEmblem *emblem;
GList *emblem_icons, *l;
gint scale;
file = (NemoFile *) data;
g_assert (NEMO_IS_FILE (file));
icon_view = get_icon_view (container);
g_return_val_if_fail (icon_view != NULL, NULL);
*has_window_open = nemo_file_has_open_window (file);
flags = NEMO_FILE_ICON_FLAGS_USE_MOUNT_ICON_AS_EMBLEM |
NEMO_FILE_ICON_FLAGS_FORCE_THUMBNAIL_SIZE;
if (visible) {
flags |= NEMO_FILE_ICON_FLAGS_USE_THUMBNAILS;
}
if (for_drag_accept) {
flags |= NEMO_FILE_ICON_FLAGS_FOR_DRAG_ACCEPT;
}
emblem_icons = nemo_file_get_emblem_icons (file,
nemo_view_get_directory_as_file (NEMO_VIEW (icon_view)));
scale = gtk_widget_get_scale_factor (GTK_WIDGET (icon_view));
icon_info = nemo_file_get_icon (file, size, size, scale, flags);
/* apply emblems */
if (emblem_icons != NULL) {
gint w, h, s;
gboolean bad_ratio;
l = emblem_icons;
pixbuf = nemo_icon_info_get_pixbuf (icon_info);
w = gdk_pixbuf_get_width (pixbuf);
h = gdk_pixbuf_get_height (pixbuf);
s = MAX (w, h);
if (s < size)
size = s;
bad_ratio = (int)nemo_icon_get_emblem_size_for_icon_size (size) * scale > (int)(w * 0.75) ||
(int)nemo_icon_get_emblem_size_for_icon_size (size) * scale > (int)(h * 0.75);
if (bad_ratio)
goto skip_emblem; /* Would prefer to not use goto, but
* I don't want to do these checks on
* non-emblemed icons (the majority)
* as it would be too costly */
emblem = g_emblem_new (l->data);
emblemed_icon = g_emblemed_icon_new (G_ICON (pixbuf), emblem);
g_object_unref (emblem);
for (l = l->next; l != NULL; l = l->next) {
emblem = g_emblem_new (l->data);
g_emblemed_icon_add_emblem (G_EMBLEMED_ICON (emblemed_icon),
emblem);
g_object_unref (emblem);
}
nemo_icon_info_clear (&icon_info);
icon_info = nemo_icon_info_lookup (emblemed_icon, size, scale);
g_object_unref (emblemed_icon);
skip_emblem:
g_object_unref (pixbuf);
}
if (emblem_icons != NULL) {
g_list_free_full (emblem_icons, g_object_unref);
}
return icon_info;
}
static char *
nemo_icon_view_container_get_icon_description (NemoIconContainer *container,
NemoIconData *data)
{
NemoFile *file;
char *mime_type;
const char *description;
file = NEMO_FILE (data);
g_assert (NEMO_IS_FILE (file));
if (NEMO_IS_DESKTOP_ICON_FILE (file)) {
return NULL;
}
mime_type = nemo_file_get_mime_type (file);
description = g_content_type_get_description (mime_type);
g_free (mime_type);
return g_strdup (description);
}
static void
update_auto_strv_as_quarks (GSettings *settings,
const gchar *key,
gpointer user_data)
{
GQuark **storage = user_data;
int i = 0;
char **value;
value = g_settings_get_strv (settings, key);
g_free (*storage);
*storage = g_new (GQuark, g_strv_length (value) + 1);
for (i = 0; value[i] != NULL; ++i) {
(*storage)[i] = g_quark_from_string (value[i]);
}
(*storage)[i] = 0;
g_strfreev (value);
}
/*
* Get the preference for which caption text should appear
* beneath icons.
*/
static GQuark *
nemo_icon_view_container_get_icon_text_attributes_from_preferences (void)
{
if (caption_attributes == NULL) {
update_auto_strv_as_quarks (nemo_icon_view_preferences,
NEMO_PREFERENCES_ICON_VIEW_CAPTIONS,
&caption_attributes);
}
/* We don't need to sanity check the attributes list even though it came
* from preferences.
*
* There are 2 ways that the values in the list could be bad.
*
* 1) The user picks "bad" values. "bad" values are those that result in
* there being duplicate attributes in the list.
*
* 2) Value stored in GConf are tampered with. Its possible physically do
* this by pulling the rug underneath GConf and manually editing its
* config files. Its also possible to use a third party GConf key
* editor and store garbage for the keys in question.
*
* Thankfully, the Nemo preferences machinery deals with both of
* these cases.
*
* In the first case, the preferences dialog widgetry prevents
* duplicate attributes by making "bad" choices insensitive.
*
* In the second case, the preferences getter (and also the auto storage) for
* string_array values are always valid members of the enumeration associated
* with the preference.
*
* So, no more error checking on attributes is needed here and we can return
* a the auto stored value.
*/
return caption_attributes;
}
static int
quarkv_length (GQuark *attributes)
{
int i;
i = 0;
while (attributes[i] != 0) {
i++;
}
return i;
}
/**
* nemo_icon_view_get_icon_text_attribute_names:
*
* Get a list representing which text attributes should be displayed
* beneath an icon. The result is dependent on zoom level and possibly
* user configuration. Don't free the result.
* @view: NemoIconView to query.
*
**/
static GQuark *
nemo_icon_view_container_get_icon_text_attribute_names (NemoIconContainer *container,
int *len)
{
GQuark *attributes;
int piece_count;
const int pieces_by_level[] = {
0, /* NEMO_ZOOM_LEVEL_SMALLEST */
0, /* NEMO_ZOOM_LEVEL_SMALLER */
0, /* NEMO_ZOOM_LEVEL_SMALL */
1, /* NEMO_ZOOM_LEVEL_STANDARD */
2, /* NEMO_ZOOM_LEVEL_LARGE */
2, /* NEMO_ZOOM_LEVEL_LARGER */
3 /* NEMO_ZOOM_LEVEL_LARGEST */
};
piece_count = pieces_by_level[nemo_icon_container_get_zoom_level (container)];
attributes = nemo_icon_view_container_get_icon_text_attributes_from_preferences ();
*len = MIN (piece_count, quarkv_length (attributes));
return attributes;
}
/* This callback returns the text, both the editable part, and the
* part below that is not editable.
*/
static void
nemo_icon_view_container_get_icon_text (NemoIconContainer *container,
NemoIconData *data,
char **editable_text,
char **additional_text,
gboolean *pinned,
gboolean *fav_unavailable,
gboolean include_invisible)
{
GQuark *attributes;
char *text_array[4];
int i, j, num_attributes;
NemoIconView *icon_view;
NemoFile *file;
gboolean use_additional;
file = NEMO_FILE (data);
g_assert (NEMO_IS_FILE (file));
g_assert (editable_text != NULL);
icon_view = get_icon_view (container);
g_return_if_fail (icon_view != NULL);
use_additional = (additional_text != NULL);
/* In the smallest zoom mode, no text is drawn. */
if (nemo_icon_container_get_zoom_level (container) == NEMO_ZOOM_LEVEL_SMALLEST &&
!include_invisible) {
*editable_text = NULL;
if (pinned) {
*pinned = FALSE;
}
} else {
/* Strip the suffix for nemo object xml files. */
*editable_text = nemo_file_get_display_name (file);
if (pinned) {
*pinned = nemo_file_get_pinning (file) && !nemo_file_is_in_favorites (file);
}
}
if (fav_unavailable) {
*fav_unavailable = nemo_file_is_unavailable_favorite (file);
}
if (!use_additional) {
return;
}
if (nemo_icon_view_is_compact (icon_view)) {
*additional_text = NULL;
return;
}
if (NEMO_IS_DESKTOP_ICON_FILE (file) ||
nemo_file_is_nemo_link (file)) {
/* Don't show the normal extra information for desktop icons,
* or desktop files, it doesn't make sense. */
*additional_text = NULL;
return;
}
/* Find out what attributes go below each icon. */
attributes = nemo_icon_view_container_get_icon_text_attribute_names (container,
&num_attributes);
/* Get the attributes. */
j = 0;
for (i = 0; i < num_attributes; ++i) {
if (attributes[i] == attribute_none_q) {
continue;
}
text_array[j++] =
nemo_file_get_string_attribute_with_default_q (file, attributes[i]);
}
text_array[j] = NULL;
/* Return them. */
if (j == 0) {
*additional_text = NULL;
} else if (j == 1) {
/* Only one item, avoid the strdup + free */
*additional_text = text_array[0];
} else {
*additional_text = g_strjoinv ("\n", text_array);
for (i = 0; i < j; i++) {
g_free (text_array[i]);
}
}
}
/* Sort as follows:
* 0) computer link
* 1) home link
* 2) network link
* 3) mount links
* 4) trash link
* 5) other
*/
typedef enum {
SORT_COMPUTER_LINK,
SORT_HOME_LINK,
SORT_NETWORK_LINK,
SORT_MOUNT_LINK,
SORT_TRASH_LINK,
SORT_OTHER
} SortCategory;
static SortCategory
get_sort_category (NemoFile *file)
{
NemoDesktopLink *link;
SortCategory category;
category = SORT_OTHER;
if (NEMO_IS_DESKTOP_ICON_FILE (file)) {
link = nemo_desktop_icon_file_get_link (NEMO_DESKTOP_ICON_FILE (file));
if (link != NULL) {
switch (nemo_desktop_link_get_link_type (link)) {
case NEMO_DESKTOP_LINK_COMPUTER:
category = SORT_COMPUTER_LINK;
break;
case NEMO_DESKTOP_LINK_HOME:
category = SORT_HOME_LINK;
break;
case NEMO_DESKTOP_LINK_MOUNT:
category = SORT_MOUNT_LINK;
break;
case NEMO_DESKTOP_LINK_TRASH:
category = SORT_TRASH_LINK;
break;
case NEMO_DESKTOP_LINK_NETWORK:
category = SORT_NETWORK_LINK;
break;
default:
category = SORT_OTHER;
break;
}
g_object_unref (link);
}
}
return category;
}
static int
fm_desktop_icon_container_icons_compare (NemoIconContainer *container,
NemoIconData *data_a,
NemoIconData *data_b)
{
NemoFile *file_a;
NemoFile *file_b;
NemoView *directory_view;
SortCategory category_a, category_b;
file_a = (NemoFile *) data_a;
file_b = (NemoFile *) data_b;
directory_view = NEMO_VIEW (NEMO_ICON_VIEW_CONTAINER (container)->view);
g_return_val_if_fail (directory_view != NULL, 0);
category_a = get_sort_category (file_a);
category_b = get_sort_category (file_b);
if (category_a == category_b) {
return nemo_file_compare_for_sort
(file_a, file_b, NEMO_FILE_SORT_BY_DISPLAY_NAME,
nemo_view_should_sort_directories_first (directory_view),
nemo_view_should_sort_favorites_first (directory_view),
FALSE,
NULL);
}
if (category_a < category_b) {
return -1;
} else {
return +1;
}
}
static int
nemo_icon_view_container_compare_icons (NemoIconContainer *container,
NemoIconData *icon_a,
NemoIconData *icon_b)
{
NemoIconView *icon_view;
icon_view = get_icon_view (container);
g_return_val_if_fail (icon_view != NULL, 0);
if (NEMO_ICON_VIEW_CONTAINER (container)->sort_for_desktop) {
return fm_desktop_icon_container_icons_compare
(container, icon_a, icon_b);
}
/* Type unsafe comparisons for performance */
return nemo_icon_view_compare_files (icon_view,
(NemoFile *)icon_a,
(NemoFile *)icon_b);
}
static void
nemo_icon_view_container_freeze_updates (NemoIconContainer *container)
{
NemoIconView *icon_view;
icon_view = get_icon_view (container);
g_return_if_fail (icon_view != NULL);
nemo_view_freeze_updates (NEMO_VIEW (icon_view));
}
static void
nemo_icon_view_container_unfreeze_updates (NemoIconContainer *container)
{
NemoIconView *icon_view;
icon_view = get_icon_view (container);
g_return_if_fail (icon_view != NULL);
nemo_view_unfreeze_updates (NEMO_VIEW (icon_view));
}
inline static void
nemo_icon_view_container_icon_get_bounding_box (NemoIcon *icon,
int *x1_return, int *y1_return,
int *x2_return, int *y2_return,
NemoIconCanvasItemBoundsUsage usage)
{
double x1, y1, x2, y2;
if (usage == BOUNDS_USAGE_FOR_DISPLAY) {
eel_canvas_item_get_bounds (EEL_CANVAS_ITEM (icon->item),
&x1, &y1, &x2, &y2);
} else if (usage == BOUNDS_USAGE_FOR_LAYOUT) {
nemo_icon_canvas_item_get_bounds_for_layout (icon->item,
&x1, &y1, &x2, &y2);
} else if (usage == BOUNDS_USAGE_FOR_ENTIRE_ITEM) {
nemo_icon_canvas_item_get_bounds_for_entire_item (icon->item,
&x1, &y1, &x2, &y2);
} else {
g_assert_not_reached ();
}
if (x1_return != NULL) {
*x1_return = x1;
}
if (y1_return != NULL) {
*y1_return = y1;
}
if (x2_return != NULL) {
*x2_return = x2;
}
if (y2_return != NULL) {
*y2_return = y2;
}
}
static gboolean
get_stored_icon_position (NemoIconContainer *container,
NemoIconData *data,
NemoIconPosition *position)
{
GdkPoint point;
char *scale_string;
NemoIconView *icon_view;
NemoFile *file;
g_assert (NEMO_IS_ICON_CONTAINER (container));
g_assert (NEMO_IS_FILE (data));
g_assert (position != NULL);
file = NEMO_FILE (data);
icon_view = get_icon_view (container);
g_assert (NEMO_IS_ICON_VIEW (icon_view));
if (nemo_icon_view_is_compact (icon_view) || nemo_file_get_is_desktop_orphan (file)) {
return FALSE;
}
nemo_file_get_position (file, &point);
position->x = point.x;
position->y = point.y;
/* If it is the desktop directory, maybe the gnome-libs metadata has information about it */
/* Disable scaling if not on the desktop */
if (nemo_icon_container_get_is_desktop (container)) {
/* Get the scale of the icon from the metadata. */
scale_string = nemo_file_get_metadata
(file, NEMO_METADATA_KEY_ICON_SCALE, "1");
position->scale = g_ascii_strtod (scale_string, NULL);
if (errno != 0) {
position->scale = 1.0;
}
g_free (scale_string);
} else {
position->scale = 1.0;
}
return position->x > ICON_UNPOSITIONED_VALUE;
}
static void
lay_down_one_line (NemoIconContainer *container,
GList *line_start,
GList *line_end,
double y,
double max_height,
GArray *positions,
gboolean whole_text,
gint gap)
{
GList *p;
NemoIcon *icon;
double x, y_offset;
NemoCanvasRects *position;
int i;
gboolean is_rtl;
is_rtl = nemo_icon_container_is_layout_rtl (container);
/* Lay out the icons along the baseline. */
x = gap;
i = 0;
for (p = line_start; p != line_end; p = p->next) {
icon = p->data;
position = &g_array_index (positions, NemoCanvasRects, i++);
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
y_offset = (max_height - position->height) / 2;
} else {
y_offset = position->y_offset;
}
nemo_icon_container_icon_set_position
(container, icon,
is_rtl ? nemo_icon_container_get_mirror_x_position (container, icon, x + position->x_offset) : x + position->x_offset,
y + y_offset);
nemo_icon_canvas_item_set_entire_text (icon->item, whole_text);
icon->saved_ltr_x = is_rtl ? nemo_icon_container_get_mirror_x_position (container, icon, icon->x) : icon->x;
x += position->width;
}
}
static void
lay_down_one_column (NemoIconContainer *container,
GList *line_start,
GList *line_end,
double x,
double y_start,
double y_iter,
GArray *positions)
{
GList *p;
NemoIcon *icon;
double y;
NemoCanvasRects *position;
int i;
gboolean is_rtl;
is_rtl = nemo_icon_container_is_layout_rtl (container);
/* Lay out the icons along the baseline. */
y = y_start;
i = 0;
for (p = line_start; p != line_end; p = p->next) {
icon = p->data;
position = &g_array_index (positions, NemoCanvasRects, i++);
nemo_icon_container_icon_set_position
(container, icon,
is_rtl ? nemo_icon_container_get_mirror_x_position (container, icon, x + position->x_offset) : x + position->x_offset,
y + position->y_offset);
icon->saved_ltr_x = is_rtl ? nemo_icon_container_get_mirror_x_position (container, icon, icon->x) : icon->x;
y += y_iter;
}
}
#define ICON_TEXT_GAP 4
#define COLUMN_GAP 4
#define ROW_GAP 10
static void
lay_down_icons_horizontal (NemoIconContainer *container,
GList *icons,
double start_y)
{
GList *p, *line_start;
NemoIcon *icon;
double canvas_width, y;
GArray *positions;
NemoCanvasRects *position;
EelDRect bounds;
EelDRect icon_bounds;
EelDRect text_bounds;
double line_width;
double grid_width;
double max_text_width, max_icon_width;
int icon_width;
int i;
int num_columns;
double ppu;
int icon_text_gap, column_gap, row_gap;
int device_canvas_width;
GtkAllocation allocation;
gint icon_size, text_size, use_size;
g_assert (NEMO_IS_ICON_CONTAINER (container));
if (icons == NULL) {
return;
}
positions = g_array_new (FALSE, FALSE, sizeof (NemoCanvasRects));
gtk_widget_get_allocation (GTK_WIDGET (container), &allocation);
/* Lay out icons a line at a time. */
canvas_width = nemo_icon_container_get_canvas_width (container, allocation);
max_icon_width = max_text_width = 0.0;
ppu = EEL_CANVAS (container)->pixels_per_unit;
icon_text_gap = floor (ICON_TEXT_GAP / ppu);
column_gap = floor (COLUMN_GAP / ppu);
row_gap = floor (ROW_GAP / ppu);
device_canvas_width = floor (canvas_width * ppu);
icon_size = nemo_get_icon_size_for_zoom_level (container->details->zoom_level);
text_size = nemo_get_icon_text_width_for_zoom_level (container->details->zoom_level);
use_size = MAX (icon_size, text_size) + 15;
icon_size /= ppu;
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
/* Would it be worth caching these bounds for the next loop? */
for (p = icons; p != NULL; p = p->next) {
icon = p->data;
icon_bounds = nemo_icon_canvas_item_get_icon_rectangle (icon->item);
max_icon_width = MAX (max_icon_width, ceil (icon_bounds.x1 - icon_bounds.x0));
text_bounds = nemo_icon_canvas_item_get_text_rectangle (icon->item, TRUE);
max_text_width = MAX (max_text_width, ceil (text_bounds.x1 - text_bounds.x0));
}
grid_width = max_icon_width + max_text_width + column_gap;
} else {
num_columns = device_canvas_width / use_size;
/* Minimum of one column */
num_columns = MAX (num_columns, 1);
/* -1 prevents jitter */
grid_width = (((device_canvas_width / num_columns) / ppu) - 1.0);
}
line_width = container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE ? column_gap : 0;
line_start = icons;
y = start_y + row_gap;
i = 0;
for (p = icons; p != NULL; p = p->next) {
icon = p->data;
if (container->details->fixed_text_height == -1) {
container->details->fixed_text_height = nemo_icon_canvas_item_get_fixed_text_height_for_layout (icon->item) / ppu;
}
/* Assume it's only one level hierarchy to avoid costly affine calculations */
nemo_icon_canvas_item_get_bounds_for_layout (icon->item,
&bounds.x0, &bounds.y0,
&bounds.x1, &bounds.y1);
icon_bounds = nemo_icon_canvas_item_get_icon_rectangle (icon->item);
icon_width = grid_width;
/* If this icon doesn't fit, it's time to lay out the line that's queued up. */
if (line_start != p && line_width + icon_width >= canvas_width ) {
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
y += row_gap;
} else {
/* Advance to the baseline. */
y += icon_text_gap + icon_size;
}
lay_down_one_line (container, line_start, p, y, icon_size, positions, FALSE, column_gap);
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
y += row_gap + icon_size;
} else {
/* Advance to next line. */
y += container->details->fixed_text_height + row_gap;
}
line_width = container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE ? column_gap : 0;
line_start = p;
i = 0;
}
g_array_set_size (positions, i + 1);
position = &g_array_index (positions, NemoCanvasRects, i++);
position->width = icon_width;
position->height = icon_bounds.y1 - icon_bounds.y0;
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
position->x_offset = max_icon_width + (2 * row_gap) - (icon_bounds.x1 - icon_bounds.x0);
position->y_offset = 0;
} else {
position->x_offset = (icon_width - (icon_bounds.x1 - icon_bounds.x0)) / 2;
position->y_offset = icon_bounds.y0 - icon_bounds.y1;
}
/* Add this icon. */
line_width += icon_width;
}
/* Lay down that last line of icons. */
if (line_start != NULL) {
if (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE) {
y += row_gap;
} else {
/* Advance to the baseline. */
y += icon_text_gap + icon_size;
}
lay_down_one_line (container, line_start, NULL, y, icon_size, positions, TRUE, column_gap);
}
g_array_free (positions, TRUE);
}
/* column-wise layout. At the moment, this only works with label-beside-icon (used by "Compact View"). */
static void
lay_down_icons_vertical (NemoIconContainer *container,
GList *icons,
double start_y)
{
GList *p, *line_start;
NemoIcon *icon;
double x, canvas_height;
GArray *positions;
NemoCanvasRects *position;
EelDRect icon_bounds;
EelDRect text_bounds;
GtkAllocation allocation;
double ppu;
int gap;
double line_height;
double max_height;
double max_height_with_borders;
double max_width;
double max_width_in_column;
double max_bounds_height;
double max_bounds_height_with_borders;
double max_text_width, max_icon_width;
double max_text_height, max_icon_height;
int height;
int i;
g_assert (NEMO_IS_ICON_CONTAINER (container));
g_assert (container->details->label_position == NEMO_ICON_LABEL_POSITION_BESIDE);
if (icons == NULL) {
return;
}
ppu = EEL_CANVAS (container)->pixels_per_unit;
gap = floor (ICON_TEXT_GAP / ppu);
positions = g_array_new (FALSE, FALSE, sizeof (NemoCanvasRects));
gtk_widget_get_allocation (GTK_WIDGET (container), &allocation);
/* Lay out icons a column at a time. */
canvas_height = nemo_icon_container_get_canvas_height (container, allocation);
max_icon_width = max_text_width = 0.0;
max_icon_height = max_text_height = 0.0;
max_bounds_height = 0.0;
get_max_icon_dimensions (icons, NULL,
&max_icon_width, &max_icon_height,
&max_text_width, &max_text_height,
&max_bounds_height);
max_width = max_icon_width + max_text_width;
max_height = MAX (max_icon_height, max_text_height);
max_height_with_borders = gap + max_height;
max_bounds_height_with_borders = gap + max_bounds_height;
line_height = gap;
line_start = icons;
x = 0;
i = 0;
max_width_in_column = 0.0;
for (p = icons; p != NULL; p = p->next) {
icon = p->data;
/* If this icon doesn't fit, it's time to lay out the column that's queued up. */
/* We use the bounds height here, since for wrapping we also want to consider
* overlapping emblems at the bottom. We may wrap a little bit too early since
* the icon with the max. bounds height may actually not be in the last row, but
* it is better than visual glitches
*/
if (line_start != p && line_height + (max_bounds_height_with_borders-1) >= canvas_height ) {
x += gap;
/* correctly set (per-column) width */
if (!container->details->all_columns_same_width) {
for (i = 0; i < (int) positions->len; i++) {
position = &g_array_index (positions, NemoCanvasRects, i);
position->width = max_width_in_column;
}
}
lay_down_one_column (container, line_start, p, x, gap, max_height_with_borders, positions);
/* Advance to next column. */
if (container->details->all_columns_same_width) {
x += max_width + gap;
} else {
x += max_width_in_column + gap;
}
line_height = gap;
line_start = p;
i = 0;
max_width_in_column = 0;
}
icon_bounds = nemo_icon_canvas_item_get_icon_rectangle (icon->item);
text_bounds = nemo_icon_canvas_item_get_text_rectangle (icon->item, TRUE);
max_width_in_column = MAX (max_width_in_column,
ceil (icon_bounds.x1 - icon_bounds.x0) +
ceil (text_bounds.x1 - text_bounds.x0));
g_array_set_size (positions, i + 1);
position = &g_array_index (positions, NemoCanvasRects, i++);
if (container->details->all_columns_same_width) {
position->width = max_width;
}
position->height = max_height;
position->y_offset = gap;
position->x_offset = gap;
position->x_offset += max_icon_width - ceil (icon_bounds.x1 - icon_bounds.x0);
height = MAX (ceil (icon_bounds.y1 - icon_bounds.y0), ceil(text_bounds.y1 - text_bounds.y0));
position->y_offset += (max_height - height) / 2;
/* Add this icon. */
line_height += max_height_with_borders;
}
/* Lay down that last column of icons. */
if (line_start != NULL) {
x += gap;
lay_down_one_column (container, line_start, NULL, x, gap, max_height_with_borders, positions);
}
g_array_free (positions, TRUE);
}
static void
lay_down_icons_vertical_desktop (NemoIconContainer *container, GList *icons)
{
GList *p, *placed_icons, *unplaced_icons;
int total, new_length, placed;
NemoIcon *icon;
int height, max_width, column_width, icon_width, icon_height;
int x, y, x1, x2, y1, y2;
EelDRect icon_rect;
GtkAllocation allocation;