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collect.cc
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/*
* Copyright (C) 2006 John Ellis
* Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: John Ellis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "collect.h"
#include <sys/stat.h>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <utility>
#include <glib-object.h>
#include "collect-dlg.h"
#include "collect-io.h"
#include "collect-table.h"
#include "compat.h"
#include "filedata.h"
#include "img-view.h"
#include "intl.h"
#include "layout-image.h"
#include "layout-util.h"
#include "layout.h"
#include "main-defines.h"
#include "misc.h"
#include "options.h"
#include "pixbuf-util.h"
#include "print.h"
#include "ui-fileops.h"
#include "ui-misc.h"
#include "ui-tree-edit.h"
#include "ui-utildlg.h"
#include "utilops.h"
#include "window.h"
namespace
{
constexpr gint COLLECT_DEF_WIDTH = 440;
constexpr gint COLLECT_DEF_HEIGHT = 450;
/**
* list of paths to collections */
/**
* @brief List of currently open Collections.
*
* Type ::_CollectionData
*/
GList *collection_list = nullptr;
/**
* @brief List of currently open Collection windows.
*
* Type ::_CollectWindow
*/
GList *collection_window_list = nullptr;
} // namespace
static void collection_window_get_geometry(CollectWindow *cw);
static void collection_window_refresh(CollectWindow *cw);
static void collection_window_update_title(CollectWindow *cw);
static void collection_window_add(CollectWindow *cw, CollectInfo *ci);
static void collection_window_insert(CollectWindow *cw, CollectInfo *ci);
static void collection_window_remove(CollectWindow *cw, CollectInfo *ci);
static void collection_window_update(CollectWindow *cw, CollectInfo *ci);
static void collection_window_close(CollectWindow *cw);
static void collection_notify_cb(FileData *fd, NotifyType type, gpointer data);
/*
*-------------------------------------------------------------------
* data, list handling
*-------------------------------------------------------------------
*/
CollectInfo *collection_info_new(FileData *fd, struct stat *, GdkPixbuf *pixbuf)
{
CollectInfo *ci;
if (!fd) return nullptr;
ci = g_new0(CollectInfo, 1);
ci->fd = file_data_ref(fd);
ci->pixbuf = pixbuf;
if (ci->pixbuf) g_object_ref(ci->pixbuf);
return ci;
}
static void collection_info_free_thumb(CollectInfo *ci)
{
if (ci->pixbuf) g_object_unref(ci->pixbuf);
ci->pixbuf = nullptr;
}
void collection_info_free(CollectInfo *ci)
{
if (!ci) return;
file_data_unref(ci->fd);
collection_info_free_thumb(ci);
g_free(ci);
}
void collection_info_set_thumb(CollectInfo *ci, GdkPixbuf *pixbuf)
{
if (pixbuf) g_object_ref(pixbuf);
collection_info_free_thumb(ci);
ci->pixbuf = pixbuf;
}
/* an ugly static var, well what ya gonna do ? */
static SortType collection_list_sort_method = SORT_NAME;
static gint collection_list_sort_cb(gconstpointer a, gconstpointer b)
{
auto cia = static_cast<const CollectInfo *>(a);
auto cib = static_cast<const CollectInfo *>(b);
switch (collection_list_sort_method)
{
case SORT_NAME:
break;
case SORT_NONE:
return 0;
break;
case SORT_SIZE:
if (cia->fd->size < cib->fd->size) return -1;
if (cia->fd->size > cib->fd->size) return 1;
return 0;
break;
case SORT_TIME:
if (cia->fd->date < cib->fd->date) return -1;
if (cia->fd->date > cib->fd->date) return 1;
return 0;
break;
case SORT_CTIME:
if (cia->fd->cdate < cib->fd->cdate) return -1;
if (cia->fd->cdate > cib->fd->cdate) return 1;
return 0;
break;
case SORT_EXIFTIME:
if (cia->fd->exifdate < cib->fd->exifdate) return -1;
if (cia->fd->exifdate > cib->fd->exifdate) return 1;
break;
case SORT_EXIFTIMEDIGITIZED:
if (cia->fd->exifdate_digitized < cib->fd->exifdate_digitized) return -1;
if (cia->fd->exifdate_digitized > cib->fd->exifdate_digitized) return 1;
break;
case SORT_RATING:
if (cia->fd->rating < cib->fd->rating) return -1;
if (cia->fd->rating > cib->fd->rating) return 1;
break;
case SORT_PATH:
return utf8_compare(cia->fd->path, cib->fd->path, options->file_sort.case_sensitive);
break;
case SORT_CLASS:
if (cia->fd->format_class < cib->fd->format_class) return -1;
if (cia->fd->format_class > cib->fd->format_class) return 1;
break;
default:
break;
}
if (options->file_sort.case_sensitive)
return strcmp(cia->fd->collate_key_name, cib->fd->collate_key_name);
return strcmp(cia->fd->collate_key_name_nocase, cib->fd->collate_key_name_nocase);
}
GList *collection_list_sort(GList *list, SortType method)
{
if (method == SORT_NONE) return list;
collection_list_sort_method = method;
return g_list_sort(list, collection_list_sort_cb);
}
static GList *collection_list_randomize(GList *list)
{
guint random;
guint length;
guint i;
GList *nlist;
GList *olist;
length = g_list_length(list);
if (!length) return nullptr;
srand(static_cast<unsigned int>(time(nullptr))); // Initialize random generator (hasn't to be that much strong)
for (i = 0; i < length; i++)
{
random = static_cast<guint>(1.0 * length * rand()/(RAND_MAX + 1.0));
olist = g_list_nth(list, i);
nlist = g_list_nth(list, random);
std::swap(olist->data, nlist->data);
}
return list;
}
GList *collection_list_add(GList *list, CollectInfo *ci, SortType method)
{
if (method != SORT_NONE)
{
collection_list_sort_method = method;
list = g_list_insert_sorted(list, ci, collection_list_sort_cb);
}
else
{
list = g_list_append(list, ci);
}
return list;
}
GList *collection_list_insert(GList *list, CollectInfo *ci, CollectInfo *insert_ci, SortType method)
{
if (method != SORT_NONE)
{
collection_list_sort_method = method;
list = g_list_insert_sorted(list, ci, collection_list_sort_cb);
}
else
{
GList *point;
point = g_list_find(list, insert_ci);
list = uig_list_insert_link(list, point, ci);
}
return list;
}
GList *collection_list_remove(GList *list, CollectInfo *ci)
{
list = g_list_remove(list, ci);
collection_info_free(ci);
return list;
}
CollectInfo *collection_list_find_fd(GList *list, FileData *fd)
{
GList *work = list;
while (work)
{
auto ci = static_cast<CollectInfo *>(work->data);
if (ci->fd == fd) return ci;
work = work->next;
}
return nullptr;
}
GList *collection_list_to_filelist(GList *list)
{
GList *filelist = nullptr;
GList *work = list;
while (work)
{
auto info = static_cast<CollectInfo *>(work->data);
filelist = g_list_prepend(filelist, file_data_ref(info->fd));
work = work->next;
}
filelist = g_list_reverse(filelist);
return filelist;
}
CollectWindow *collection_window_find(CollectionData *cd)
{
GList *work;
work = collection_window_list;
while (work)
{
auto cw = static_cast<CollectWindow *>(work->data);
if (cw->cd == cd) return cw;
work = work->next;
}
return nullptr;
}
CollectWindow *collection_window_find_by_path(const gchar *path)
{
if (!path) return nullptr;
const auto collect_window_compare_data_path = [](gconstpointer data, gconstpointer user_data)
{
return g_strcmp0(static_cast<const CollectWindow *>(data)->cd->path, static_cast<const gchar *>(user_data));
};
GList *work = g_list_find_custom(collection_window_list, path, collect_window_compare_data_path);
return work ? static_cast<CollectWindow *>(work->data) : nullptr;
}
/**
* @brief Checks string for existence of Collection.
* @param[in] param Filename, with or without extension of any collection
* @returns full pathname if found or NULL
*
* Return value must be freed with g_free()
*/
gchar *collection_path(const gchar *param)
{
gchar *path = nullptr;
if (file_extension_match(param, GQ_COLLECTION_EXT))
{
path = g_build_filename(get_collections_dir(), param, NULL);
}
else if (file_extension_match(param, nullptr))
{
g_autofree gchar *full_name = g_strconcat(param, GQ_COLLECTION_EXT, NULL);
path = g_build_filename(get_collections_dir(), full_name, NULL);
}
if (!isfile(path))
{
g_free(path);
path = nullptr;
}
return path;
}
/**
* @brief Checks input string for existence of Collection.
* @param[in] param Filename with or without extension of any collection
* @returns TRUE if found
*
*
*/
gboolean is_collection(const gchar *param)
{
g_autofree gchar *name = collection_path(param);
return name != nullptr;
}
/**
* @brief Creates a text list of the image paths of the contents of a Collection
* @param[in] name The name of the collection, with or without extension
* @param[inout] contents A GString to which the image paths are appended
*
*
*/
GString *collection_contents(const gchar *name, GString *contents)
{
if (!is_collection(name)) return contents;
CollectionData *cd = collection_new("");
g_autofree gchar *path = collection_path(name);
collection_load(cd, path, COLLECTION_LOAD_APPEND);
for (GList *work = cd->list; work; work = work->next)
{
auto *ci = static_cast<CollectInfo *>(work->data);
contents = g_string_append(contents, ci->fd->path);
contents = g_string_append(contents, "\n");
}
collection_free(cd);
return contents;
}
/**
* @brief Returns a list of filedatas of the contents of a Collection
* @param[in] name The name of the collection, with or without extension
*
*
*/
GList *collection_contents_fd(const gchar *name)
{
CollectionData *cd;
CollectInfo *ci;
GList *work;
GList *list = nullptr;
if (!is_collection(name)) return nullptr;
g_autofree gchar *path = collection_path(name);
cd = collection_new("");
collection_load(cd, path, COLLECTION_LOAD_APPEND);
work = cd->list;
while (work)
{
ci = static_cast<CollectInfo *>(work->data);
list = g_list_append(list, ci->fd);
work = work->next;
}
collection_free(cd);
return list;
}
/*
*-------------------------------------------------------------------
* please use these to actually add/remove stuff
*-------------------------------------------------------------------
*/
CollectionData *collection_new(const gchar *path)
{
CollectionData *cd;
static gint untitled_counter = 0;
cd = g_new0(CollectionData, 1);
cd->ref = 1; /* starts with a ref of 1 */
cd->sort_method = SORT_NONE;
cd->window.width = COLLECT_DEF_WIDTH;
cd->window.height = COLLECT_DEF_HEIGHT;
cd->existence = g_hash_table_new(nullptr, nullptr);
if (path)
{
cd->path = g_strdup(path);
cd->name = g_strdup(filename_from_path(cd->path));
/* load it */
}
else
{
if (untitled_counter == 0)
{
cd->name = g_strdup(_("Untitled"));
}
else
{
cd->name = g_strdup_printf(_("Untitled (%d)"), untitled_counter + 1);
}
untitled_counter++;
}
file_data_register_notify_func(collection_notify_cb, cd, NOTIFY_PRIORITY_MEDIUM);
collection_list = g_list_append(collection_list, cd);
return cd;
}
void collection_free(CollectionData *cd)
{
if (!cd) return;
DEBUG_1("collection \"%s\" freed", cd->name);
collection_load_stop(cd);
g_list_free_full(cd->list, reinterpret_cast<GDestroyNotify>(collection_info_free));
file_data_unregister_notify_func(collection_notify_cb, cd);
collection_list = g_list_remove(collection_list, cd);
g_hash_table_destroy(cd->existence);
g_free(cd->collection_path);
g_free(cd->path);
g_free(cd->name);
g_free(cd);
}
void collection_ref(CollectionData *cd)
{
cd->ref++;
DEBUG_1("collection \"%s\" ref count = %d", cd->name, cd->ref);
}
void collection_unref(CollectionData *cd)
{
cd->ref--;
DEBUG_1("collection \"%s\" ref count = %d", cd->name, cd->ref);
if (cd->ref < 1)
{
collection_free(cd);
}
}
void collection_path_changed(CollectionData *cd)
{
collection_window_update_title(collection_window_find(cd));
}
gint collection_to_number(const CollectionData *cd)
{
return g_list_index(collection_list, cd);
}
CollectionData *collection_from_number(gint n)
{
return static_cast<CollectionData *>(g_list_nth_data(collection_list, n));
}
/**
* @brief Pass a NULL pointer to whatever you don't need
* use free_selected_list to free list, and
* g_list_free to free info_list, which is a list of
* CollectInfo pointers into CollectionData
*/
CollectionData *collection_from_dnd_data(const gchar *data, GList **list, GList **info_list)
{
if (list) *list = nullptr;
if (info_list) *info_list = nullptr;
if (strncmp(data, "COLLECTION:", 11) != 0) return nullptr;
data += 11;
gint collection_number = atoi(data);
CollectionData *cd = collection_from_number(collection_number);
if (!cd) return nullptr;
if (!list && !info_list) return cd;
g_auto(GStrv) numbers = g_strsplit(data, "\n", -1);
for (gint i = 1; numbers[i] != nullptr; i++)
{
if (!numbers[i + 1]) break; // numbers[i] is data after last \n, skip it
auto item_number = static_cast<guint>(atoi(numbers[i]));
auto *info = static_cast<CollectInfo *>(g_list_nth_data(cd->list, item_number));
if (!info) continue;
if (list) *list = g_list_append(*list, file_data_ref(info->fd));
if (info_list) *info_list = g_list_append(*info_list, info);
}
return cd;
}
gchar *collection_info_list_to_dnd_data(const CollectionData *cd, const GList *list, gint &length)
{
length = 0;
if (!list) return nullptr;
gint collection_number = collection_to_number(cd);
if (collection_number < 0) return nullptr;
GString *text = g_string_new(nullptr);
g_string_printf(text, "COLLECTION:%d\n", collection_number);
for (const GList *work = list; work; work = work->next)
{
gint item_number = g_list_index(cd->list, work->data);
if (item_number < 0) continue;
g_string_append_printf(text, "%d\n", item_number);
}
length = text->len + 1; /* ending nul char */
return g_string_free(text, FALSE);
}
gint collection_info_valid(CollectionData *cd, CollectInfo *info)
{
if (collection_to_number(cd) < 0) return FALSE;
return (g_list_index(cd->list, info) != 0);
}
CollectInfo *collection_next_by_info(CollectionData *cd, CollectInfo *info)
{
GList *work;
work = g_list_find(cd->list, info);
if (!work) return nullptr;
work = work->next;
if (work) return static_cast<CollectInfo *>(work->data);
return nullptr;
}
CollectInfo *collection_prev_by_info(CollectionData *cd, CollectInfo *info)
{
GList *work;
work = g_list_find(cd->list, info);
if (!work) return nullptr;
work = work->prev;
if (work) return static_cast<CollectInfo *>(work->data);
return nullptr;
}
CollectInfo *collection_get_first(CollectionData *cd)
{
if (cd->list) return static_cast<CollectInfo *>(cd->list->data);
return nullptr;
}
CollectInfo *collection_get_last(CollectionData *cd)
{
GList *list;
list = g_list_last(cd->list);
if (list) return static_cast<CollectInfo *>(list->data);
return nullptr;
}
void collection_set_sort_method(CollectionData *cd, SortType method)
{
if (!cd) return;
if (cd->sort_method == method) return;
cd->sort_method = method;
cd->list = collection_list_sort(cd->list, cd->sort_method);
if (cd->list) cd->changed = TRUE;
collection_window_refresh(collection_window_find(cd));
}
void collection_randomize(CollectionData *cd)
{
if (!cd) return;
cd->list = collection_list_randomize(cd->list);
cd->sort_method = SORT_NONE;
if (cd->list) cd->changed = TRUE;
collection_window_refresh(collection_window_find(cd));
}
void collection_set_update_info_func(CollectionData *cd,
void (*func)(CollectionData *, CollectInfo *, gpointer), gpointer data)
{
cd->info_updated_func = func;
cd->info_updated_data = data;
}
static CollectInfo *collection_info_new_if_not_exists(CollectionData *cd, struct stat *st, FileData *fd)
{
CollectInfo *ci;
if (!options->collections_duplicates)
{
if (g_hash_table_lookup(cd->existence, fd->path)) return nullptr;
}
ci = collection_info_new(fd, st, nullptr);
if (ci) g_hash_table_insert(cd->existence, fd->path, g_strdup(""));
return ci;
}
gboolean collection_add_check(CollectionData *cd, FileData *fd, gboolean sorted, gboolean must_exist)
{
struct stat st;
gboolean valid;
if (!fd) return FALSE;
g_assert(fd->magick == FD_MAGICK);
if (must_exist)
{
valid = (stat_utf8(fd->path, &st) && !S_ISDIR(st.st_mode));
}
else
{
valid = TRUE;
st.st_size = 0;
st.st_mtime = 0;
}
if (valid)
{
CollectInfo *ci;
ci = collection_info_new_if_not_exists(cd, &st, fd);
if (!ci) return FALSE;
DEBUG_3("add to collection: %s", fd->path);
cd->list = collection_list_add(cd->list, ci, sorted ? cd->sort_method : SORT_NONE);
cd->changed = TRUE;
if (!sorted || cd->sort_method == SORT_NONE)
{
collection_window_add(collection_window_find(cd), ci);
}
else
{
collection_window_insert(collection_window_find(cd), ci);
}
}
return valid;
}
gboolean collection_add(CollectionData *cd, FileData *fd, gboolean sorted)
{
return collection_add_check(cd, fd, sorted, TRUE);
}
gboolean collection_insert(CollectionData *cd, FileData *fd, CollectInfo *insert_ci, gboolean sorted)
{
struct stat st;
if (!insert_ci) return collection_add(cd, fd, sorted);
if (stat_utf8(fd->path, &st) >= 0 && !S_ISDIR(st.st_mode))
{
CollectInfo *ci;
ci = collection_info_new_if_not_exists(cd, &st, fd);
if (!ci) return FALSE;
DEBUG_3("insert in collection: %s", fd->path);
cd->list = collection_list_insert(cd->list, ci, insert_ci, sorted ? cd->sort_method : SORT_NONE);
cd->changed = TRUE;
collection_window_insert(collection_window_find(cd), ci);
return TRUE;
}
return FALSE;
}
gboolean collection_remove(CollectionData *cd, FileData *fd)
{
CollectInfo *ci;
ci = collection_list_find_fd(cd->list, fd);
if (!ci) return FALSE;
g_hash_table_remove(cd->existence, fd->path);
cd->list = g_list_remove(cd->list, ci);
cd->changed = TRUE;
collection_window_remove(collection_window_find(cd), ci);
collection_info_free(ci);
return TRUE;
}
static void collection_remove_by_info(CollectionData *cd, CollectInfo *info)
{
if (!info || !g_list_find(cd->list, info)) return;
cd->list = g_list_remove(cd->list, info);
cd->changed = (cd->list != nullptr);
collection_window_remove(collection_window_find(cd), info);
collection_info_free(info);
}
void collection_remove_by_info_list(CollectionData *cd, GList *list)
{
GList *work;
if (!list) return;
if (!list->next)
{
/* more efficient (in collect-table) to remove a single item this way */
collection_remove_by_info(cd, static_cast<CollectInfo *>(list->data));
return;
}
work = list;
while (work)
{
cd->list = collection_list_remove(cd->list, static_cast<CollectInfo *>(work->data));
work = work->next;
}
cd->changed = (cd->list != nullptr);
collection_window_refresh(collection_window_find(cd));
}
gboolean collection_rename(CollectionData *cd, FileData *fd)
{
CollectInfo *ci;
ci = collection_list_find_fd(cd->list, fd);
if (!ci) return FALSE;
cd->changed = TRUE;
collection_window_update(collection_window_find(cd), ci);
return TRUE;
}
void collection_update_geometry(CollectionData *cd)
{
collection_window_get_geometry(collection_window_find(cd));
}
/*
*-------------------------------------------------------------------
* simple maintenance for renaming, deleting
*-------------------------------------------------------------------
*/
static void collection_notify_cb(FileData *fd, NotifyType type, gpointer data)
{
auto cd = static_cast<CollectionData *>(data);
if (!(type & NOTIFY_CHANGE) || !fd->change) return;
DEBUG_1("Notify collection: %s %04x", fd->path, type);
switch (fd->change->type)
{
case FILEDATA_CHANGE_MOVE:
case FILEDATA_CHANGE_RENAME:
collection_rename(cd, fd);
break;
case FILEDATA_CHANGE_COPY:
break;
case FILEDATA_CHANGE_DELETE:
while (collection_remove(cd, fd));
break;
case FILEDATA_CHANGE_UNSPECIFIED:
case FILEDATA_CHANGE_WRITE_METADATA:
break;
}
}
/*
*-------------------------------------------------------------------
* window key presses
*-------------------------------------------------------------------
*/
static gboolean collection_window_keypress(GtkWidget *, GdkEventKey *event, gpointer data)
{
auto cw = static_cast<CollectWindow *>(data);
gboolean stop_signal = FALSE;
GList *list;
if (event->state & GDK_CONTROL_MASK)
{
stop_signal = TRUE;
switch (event->keyval)
{
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '0':
break;
case 'A': case 'a':
if (event->state & GDK_SHIFT_MASK)
{
collection_table_unselect_all(cw->table);
}
else
{
collection_table_select_all(cw->table);
}
break;
case 'L': case 'l':
list = layout_list(nullptr);
if (list)
{
collection_table_add_filelist(cw->table, list);
filelist_free(list);
}
break;
case 'C': case 'c':
file_util_copy(nullptr, collection_table_selection_get_list(cw->table), nullptr, cw->window);
break;
case 'M': case 'm':
file_util_move(nullptr, collection_table_selection_get_list(cw->table), nullptr, cw->window);
break;
case 'R': case 'r':
file_util_rename(nullptr, collection_table_selection_get_list(cw->table), cw->window);
break;
case 'D': case 'd':
options->file_ops.safe_delete_enable = TRUE;
file_util_delete(nullptr, collection_table_selection_get_list(cw->table), cw->window);
break;
case 'S': case 's':
collection_dialog_save_as(cw->cd);
break;
case 'W': case 'w':
collection_window_close(cw);
break;
default:
stop_signal = FALSE;
break;
}
}
else
{
stop_signal = TRUE;
switch (event->keyval)
{
case GDK_KEY_Return: case GDK_KEY_KP_Enter:
layout_image_set_collection(nullptr, cw->cd,
collection_table_get_focus_info(cw->table));
break;
case 'V': case 'v':
view_window_new_from_collection(cw->cd,
collection_table_get_focus_info(cw->table));
break;
case 'S': case 's':
if (!cw->cd->path)
{
collection_dialog_save_as(cw->cd);
}
else if (!collection_save(cw->cd, cw->cd->path))
{
log_printf("failed saving to collection path: %s\n", cw->cd->path);
}
break;
case 'A': case 'a':
collection_dialog_append(cw->cd);
break;
case 'N': case 'n':
collection_set_sort_method(cw->cd, SORT_NAME);
break;
case 'D': case 'd':
collection_set_sort_method(cw->cd, SORT_TIME);
break;
case 'B': case 'b':
collection_set_sort_method(cw->cd, SORT_SIZE);
break;
case 'P': case 'p':
if (event->state & GDK_SHIFT_MASK)
{
CollectInfo *info;
info = collection_table_get_focus_info(cw->table);
print_window_new(info->fd, collection_table_selection_get_list(cw->table),
collection_list_to_filelist(cw->cd->list), cw->window);
}
else
{
collection_set_sort_method(cw->cd, SORT_PATH);
}
break;
case 'R': case 'r':
if (event->state & GDK_MOD1_MASK)
{
options->collections.rectangular_selection = !(options->collections.rectangular_selection);
}
break;
case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
list = g_list_copy(cw->table->selection);
if (list)
{
collection_remove_by_info_list(cw->cd, list);
collection_table_refresh(cw->table);