diff options
Diffstat (limited to 'src/file-manager/fm-icon-container.c')
| -rw-r--r-- | src/file-manager/fm-icon-container.c | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/src/file-manager/fm-icon-container.c b/src/file-manager/fm-icon-container.c new file mode 100644 index 00000000..86e54669 --- /dev/null +++ b/src/file-manager/fm-icon-container.c @@ -0,0 +1,625 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ + +/* fm-icon-container.h - the container widget for file manager icons + + Copyright (C) 2002 Sun Microsystems, Inc. + + The Mate 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 Mate 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 Mate 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: Michael Meeks <[email protected]> +*/ +#include <config.h> + +#include <string.h> +#include <glib/gi18n.h> +#include <gio/gio.h> +#include <libcaja-private/caja-global-preferences.h> +#include <libcaja-private/caja-file-attributes.h> +#include <libcaja-private/caja-thumbnails.h> +#include <libcaja-private/caja-desktop-icon-file.h> + +#include "fm-icon-container.h" + +#define ICON_TEXT_ATTRIBUTES_NUM_ITEMS 3 +#define ICON_TEXT_ATTRIBUTES_DEFAULT_TOKENS "size,date_modified,type" + +G_DEFINE_TYPE (FMIconContainer, fm_icon_container, CAJA_TYPE_ICON_CONTAINER); + +static GQuark attribute_none_q; + +static FMIconView * +get_icon_view (CajaIconContainer *container) +{ + /* Type unsafe comparison for performance */ + return ((FMIconContainer *)container)->view; +} + +static CajaIconInfo * +fm_icon_container_get_icon_images (CajaIconContainer *container, + CajaIconData *data, + int size, + GList **emblem_pixbufs, + char **embedded_text, + gboolean for_drag_accept, + gboolean need_large_embeddded_text, + gboolean *embedded_text_needs_loading, + gboolean *has_window_open) +{ + FMIconView *icon_view; + char **emblems_to_ignore; + CajaFile *file; + gboolean use_embedding; + CajaFileIconFlags flags; + guint emblem_size; + + file = (CajaFile *) data; + + g_assert (CAJA_IS_FILE (file)); + icon_view = get_icon_view (container); + g_return_val_if_fail (icon_view != NULL, NULL); + + use_embedding = FALSE; + if (embedded_text) + { + *embedded_text = caja_file_peek_top_left_text (file, need_large_embeddded_text, embedded_text_needs_loading); + use_embedding = *embedded_text != NULL; + } + + if (emblem_pixbufs != NULL) + { + emblem_size = caja_icon_get_emblem_size_for_icon_size (size); + /* don't return images larger than the actual icon size */ + emblem_size = MIN (emblem_size, size); + + if (emblem_size > 0) + { + emblems_to_ignore = fm_directory_view_get_emblem_names_to_exclude + (FM_DIRECTORY_VIEW (icon_view)); + *emblem_pixbufs = caja_file_get_emblem_pixbufs (file, + emblem_size, + FALSE, + emblems_to_ignore); + g_strfreev (emblems_to_ignore); + } + } + + *has_window_open = caja_file_has_open_window (file); + + flags = CAJA_FILE_ICON_FLAGS_USE_MOUNT_ICON_AS_EMBLEM; + if (!fm_icon_view_is_compact (icon_view) || + caja_icon_container_get_zoom_level (container) > CAJA_ZOOM_LEVEL_STANDARD) + { + flags |= CAJA_FILE_ICON_FLAGS_USE_THUMBNAILS; + if (fm_icon_view_is_compact (icon_view)) + { + flags |= CAJA_FILE_ICON_FLAGS_FORCE_THUMBNAIL_SIZE; + } + } + + if (use_embedding) + { + flags |= CAJA_FILE_ICON_FLAGS_EMBEDDING_TEXT; + } + if (for_drag_accept) + { + flags |= CAJA_FILE_ICON_FLAGS_FOR_DRAG_ACCEPT; + } + + return caja_file_get_icon (file, size, flags); +} + +static char * +fm_icon_container_get_icon_description (CajaIconContainer *container, + CajaIconData *data) +{ + CajaFile *file; + char *mime_type; + const char *description; + + file = CAJA_FILE (data); + g_assert (CAJA_IS_FILE (file)); + + if (CAJA_IS_DESKTOP_ICON_FILE (file)) + { + return NULL; + } + + mime_type = caja_file_get_mime_type (file); + description = g_content_type_get_description (mime_type); + g_free (mime_type); + return g_strdup (description); +} + +static void +fm_icon_container_start_monitor_top_left (CajaIconContainer *container, + CajaIconData *data, + gconstpointer client, + gboolean large_text) +{ + CajaFile *file; + CajaFileAttributes attributes; + + file = (CajaFile *) data; + + g_assert (CAJA_IS_FILE (file)); + + attributes = CAJA_FILE_ATTRIBUTE_TOP_LEFT_TEXT; + if (large_text) + { + attributes |= CAJA_FILE_ATTRIBUTE_LARGE_TOP_LEFT_TEXT; + } + caja_file_monitor_add (file, client, attributes); +} + +static void +fm_icon_container_stop_monitor_top_left (CajaIconContainer *container, + CajaIconData *data, + gconstpointer client) +{ + CajaFile *file; + + file = (CajaFile *) data; + + g_assert (CAJA_IS_FILE (file)); + + caja_file_monitor_remove (file, client); +} + +static void +fm_icon_container_prioritize_thumbnailing (CajaIconContainer *container, + CajaIconData *data) +{ + CajaFile *file; + char *uri; + + file = (CajaFile *) data; + + g_assert (CAJA_IS_FILE (file)); + + if (caja_file_is_thumbnailing (file)) + { + uri = caja_file_get_uri (file); + caja_thumbnail_prioritize (uri); + g_free (uri); + } +} + +/* + * Get the preference for which caption text should appear + * beneath icons. + */ +static GQuark * +fm_icon_container_get_icon_text_attributes_from_preferences (void) +{ + static GQuark *attributes = NULL; + + if (attributes == NULL) + { + eel_preferences_add_auto_string_array_as_quarks (CAJA_PREFERENCES_ICON_VIEW_CAPTIONS, + &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 MateConf are tampered with. Its possible physically do + * this by pulling the rug underneath MateConf and manually editing its + * config files. Its also possible to use a third party MateConf key + * editor and store garbage for the keys in question. + * + * Thankfully, the Caja 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 attributes; +} + +static int +quarkv_length (GQuark *attributes) +{ + int i; + i = 0; + while (attributes[i] != 0) + { + i++; + } + return i; +} + +/** + * fm_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: FMIconView to query. + * + **/ +static GQuark * +fm_icon_container_get_icon_text_attribute_names (CajaIconContainer *container, + int *len) +{ + GQuark *attributes; + int piece_count; + + const int pieces_by_level[] = + { + 0, /* CAJA_ZOOM_LEVEL_SMALLEST */ + 0, /* CAJA_ZOOM_LEVEL_SMALLER */ + 0, /* CAJA_ZOOM_LEVEL_SMALL */ + 1, /* CAJA_ZOOM_LEVEL_STANDARD */ + 2, /* CAJA_ZOOM_LEVEL_LARGE */ + 2, /* CAJA_ZOOM_LEVEL_LARGER */ + 3 /* CAJA_ZOOM_LEVEL_LARGEST */ + }; + + piece_count = pieces_by_level[caja_icon_container_get_zoom_level (container)]; + + attributes = fm_icon_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 +fm_icon_container_get_icon_text (CajaIconContainer *container, + CajaIconData *data, + char **editable_text, + char **additional_text, + gboolean include_invisible) +{ + char *actual_uri; + gchar *description; + GQuark *attributes; + char *text_array[4]; + int i, j, num_attributes; + FMIconView *icon_view; + CajaFile *file; + gboolean use_additional; + + file = CAJA_FILE (data); + + g_assert (CAJA_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 (caja_icon_container_get_zoom_level (container) == CAJA_ZOOM_LEVEL_SMALLEST && + !include_invisible) + { + *editable_text = NULL; + } + else + { + /* Strip the suffix for caja object xml files. */ + *editable_text = caja_file_get_display_name (file); + } + + if (!use_additional) + { + return; + } + + if (fm_icon_view_is_compact (icon_view)) + { + *additional_text = NULL; + return; + } + + if (CAJA_IS_DESKTOP_ICON_FILE (file)) + { + /* Don't show the normal extra information for desktop icons, it doesn't + * make sense. */ + *additional_text = NULL; + return; + } + + /* Handle link files specially. */ + if (caja_file_is_caja_link (file)) + { + /* FIXME bugzilla.gnome.org 42531: Does sync. I/O and works only locally. */ + *additional_text = NULL; + if (caja_file_is_local (file)) + { + actual_uri = caja_file_get_uri (file); + description = caja_link_local_get_additional_text (actual_uri); + if (description) + *additional_text = g_strdup_printf (" \n%s\n ", description); + g_free (description); + g_free (actual_uri); + } + /* Don't show the normal extra information for desktop files, it doesn't + * make sense. */ + return; + } + + /* Find out what attributes go below each icon. */ + attributes = fm_icon_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++] = + caja_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) other + * 5) trash link + */ +typedef enum +{ + SORT_COMPUTER_LINK, + SORT_HOME_LINK, + SORT_NETWORK_LINK, + SORT_MOUNT_LINK, + SORT_OTHER, + SORT_TRASH_LINK +} SortCategory; + +static SortCategory +get_sort_category (CajaFile *file) +{ + CajaDesktopLink *link; + SortCategory category; + + category = SORT_OTHER; + + if (CAJA_IS_DESKTOP_ICON_FILE (file)) + { + link = caja_desktop_icon_file_get_link (CAJA_DESKTOP_ICON_FILE (file)); + if (link != NULL) + { + switch (caja_desktop_link_get_link_type (link)) + { + case CAJA_DESKTOP_LINK_COMPUTER: + category = SORT_COMPUTER_LINK; + break; + case CAJA_DESKTOP_LINK_HOME: + category = SORT_HOME_LINK; + break; + case CAJA_DESKTOP_LINK_MOUNT: + category = SORT_MOUNT_LINK; + break; + case CAJA_DESKTOP_LINK_TRASH: + category = SORT_TRASH_LINK; + break; + case CAJA_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 (CajaIconContainer *container, + CajaIconData *data_a, + CajaIconData *data_b) +{ + CajaFile *file_a; + CajaFile *file_b; + FMDirectoryView *directory_view; + SortCategory category_a, category_b; + + file_a = (CajaFile *) data_a; + file_b = (CajaFile *) data_b; + + directory_view = FM_DIRECTORY_VIEW (FM_ICON_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 caja_file_compare_for_sort + (file_a, file_b, CAJA_FILE_SORT_BY_DISPLAY_NAME, + fm_directory_view_should_sort_directories_first (directory_view), + FALSE); + } + + if (category_a < category_b) + { + return -1; + } + else + { + return +1; + } +} + +static int +fm_icon_container_compare_icons (CajaIconContainer *container, + CajaIconData *icon_a, + CajaIconData *icon_b) +{ + FMIconView *icon_view; + + icon_view = get_icon_view (container); + g_return_val_if_fail (icon_view != NULL, 0); + + if (FM_ICON_CONTAINER (container)->sort_for_desktop) + { + return fm_desktop_icon_container_icons_compare + (container, icon_a, icon_b); + } + + /* Type unsafe comparisons for performance */ + return fm_icon_view_compare_files (icon_view, + (CajaFile *)icon_a, + (CajaFile *)icon_b); +} + +static int +fm_icon_container_compare_icons_by_name (CajaIconContainer *container, + CajaIconData *icon_a, + CajaIconData *icon_b) +{ + return caja_file_compare_for_sort + (CAJA_FILE (icon_a), + CAJA_FILE (icon_b), + CAJA_FILE_SORT_BY_DISPLAY_NAME, + FALSE, FALSE); +} + +static void +fm_icon_container_freeze_updates (CajaIconContainer *container) +{ + FMIconView *icon_view; + icon_view = get_icon_view (container); + g_return_if_fail (icon_view != NULL); + fm_directory_view_freeze_updates (FM_DIRECTORY_VIEW (icon_view)); +} + +static void +fm_icon_container_unfreeze_updates (CajaIconContainer *container) +{ + FMIconView *icon_view; + icon_view = get_icon_view (container); + g_return_if_fail (icon_view != NULL); + fm_directory_view_unfreeze_updates (FM_DIRECTORY_VIEW (icon_view)); +} + +static void +fm_icon_container_dispose (GObject *object) +{ + FMIconContainer *icon_container; + + icon_container = FM_ICON_CONTAINER (object); + + icon_container->view = NULL; + + G_OBJECT_CLASS (fm_icon_container_parent_class)->dispose (object); +} + +static void +fm_icon_container_class_init (FMIconContainerClass *klass) +{ + CajaIconContainerClass *ic_class; + + ic_class = &klass->parent_class; + + attribute_none_q = g_quark_from_static_string ("none"); + + ic_class->get_icon_text = fm_icon_container_get_icon_text; + ic_class->get_icon_images = fm_icon_container_get_icon_images; + ic_class->get_icon_description = fm_icon_container_get_icon_description; + ic_class->start_monitor_top_left = fm_icon_container_start_monitor_top_left; + ic_class->stop_monitor_top_left = fm_icon_container_stop_monitor_top_left; + ic_class->prioritize_thumbnailing = fm_icon_container_prioritize_thumbnailing; + + ic_class->compare_icons = fm_icon_container_compare_icons; + ic_class->compare_icons_by_name = fm_icon_container_compare_icons_by_name; + ic_class->freeze_updates = fm_icon_container_freeze_updates; + ic_class->unfreeze_updates = fm_icon_container_unfreeze_updates; + + G_OBJECT_CLASS (klass)->dispose = fm_icon_container_dispose; +} + +static void +fm_icon_container_init (FMIconContainer *icon_container) +{ +} + +CajaIconContainer * +fm_icon_container_construct (FMIconContainer *icon_container, FMIconView *view) +{ + AtkObject *atk_obj; + + g_return_val_if_fail (FM_IS_ICON_VIEW (view), NULL); + + icon_container->view = view; + atk_obj = gtk_widget_get_accessible (GTK_WIDGET (icon_container)); + atk_object_set_name (atk_obj, _("Icon View")); + + return CAJA_ICON_CONTAINER (icon_container); +} + +CajaIconContainer * +fm_icon_container_new (FMIconView *view) +{ + return fm_icon_container_construct + (g_object_new (FM_TYPE_ICON_CONTAINER, NULL), + view); +} + +void +fm_icon_container_set_sort_desktop (FMIconContainer *container, + gboolean desktop) +{ + container->sort_for_desktop = desktop; +} |