moving from https://github.com/perberos/mate-desktop-environment

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;
+}