static void
gwy_app_file_chooser_destroy(GtkObject *object)
{
GwyAppFileChooser *chooser = GWY_APP_FILE_CHOOSER(object);
gwy_app_file_chooser_free_preview(chooser);
GTK_OBJECT_CLASS(_gwy_app_file_chooser_parent_class)->destroy(object);
}
static void
gwy_app_file_chooser_hide(GtkWidget *widget)
{
GwyAppFileChooser *chooser = GWY_APP_FILE_CHOOSER(widget);
gwy_app_file_chooser_free_preview(chooser);
GTK_WIDGET_CLASS(_gwy_app_file_chooser_parent_class)->hide(widget);
}
static void
gwy_app_file_chooser_update_preview(GwyAppFileChooser *chooser)
{
GtkFileChooser *fchooser;
GtkTreeModel *model;
GdkPixbuf *pixbuf;
GtkTreeIter iter;
gchar *filename_sys;
gwy_app_file_chooser_free_preview(chooser);
model = gtk_icon_view_get_model(GTK_ICON_VIEW(chooser->preview));
gtk_list_store_clear(GTK_LIST_STORE(model));
fchooser = GTK_FILE_CHOOSER(chooser);
filename_sys = gtk_file_chooser_get_preview_filename(fchooser);
/* It should be UTF-8, but don't convert it just for gwy_debug() */
gwy_debug("%s", filename_sys);
/* Make directories fail gracefully */
if (filename_sys && g_file_test(filename_sys, G_FILE_TEST_IS_DIR)) {
g_free(filename_sys);
filename_sys = NULL;
}
/* Never set the preview inactive. Gtk+ can do all kinds of silly things
* if you do. */
if (!filename_sys)
return;
pixbuf = _gwy_app_recent_file_try_thumbnail(filename_sys);
g_free(filename_sys);
if (!pixbuf) {
pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
gdk_pixbuf_fill(pixbuf, 0x00000000);
chooser->make_thumbnail = TRUE;
}
else
chooser->make_thumbnail = FALSE;
g_object_set(chooser->renderer_fileinfo,
"ellipsize", PANGO_ELLIPSIZE_NONE,
"wrap-width", TMS_NORMAL_THUMB_SIZE,
NULL);
gtk_list_store_insert_with_values(GTK_LIST_STORE(model), &iter, -1,
COLUMN_PIXBUF, pixbuf,
COLUMN_FILEINFO, _("…"),
-1);
g_object_unref(pixbuf);
chooser->full_preview_id
= g_timeout_add_full(G_PRIORITY_LOW, 250,
gwy_app_file_chooser_do_full_preview, chooser,
NULL);
}
static gboolean
gwy_app_file_chooser_do_full_preview(gpointer user_data)
{
GtkFileChooser *fchooser;
GtkTreeModel *model;
GtkListStore *store;
GwyAppFileChooser *chooser;
GSList *channel_ids, *l;
GdkPixbuf *pixbuf;
GtkTreeIter iter;
GString *str;
gint id;
chooser = GWY_APP_FILE_CHOOSER(user_data);
chooser->full_preview_id = 0;
/* Always no-op here? */
gwy_app_file_chooser_free_preview(chooser);
fchooser = GTK_FILE_CHOOSER(chooser);
chooser->preview_name_sys = gtk_file_chooser_get_preview_filename(fchooser);
/* We should not be called when gtk_file_chooser_get_preview_filename()
* returns NULL preview file name */
if (!chooser->preview_name_sys) {
g_warning("Full preview invoked with NULL preview file name");
return FALSE;
}
model = gtk_icon_view_get_model(GTK_ICON_VIEW(chooser->preview));
store = GTK_LIST_STORE(model);
chooser->preview_data = gwy_file_load(chooser->preview_name_sys,
GWY_RUN_NONINTERACTIVE, NULL);
if (!chooser->preview_data) {
gwy_app_file_chooser_free_preview(chooser);
gtk_tree_model_get_iter_first(model, &iter);
gtk_list_store_set(store, &iter,
COLUMN_FILEINFO, _("Cannot preview"),
-1);
return FALSE;
}
channel_ids = NULL;
gwy_container_foreach(chooser->preview_data, NULL,
add_channel_id, &channel_ids);
channel_ids = g_slist_sort(channel_ids, compare_ids);
if (!channel_ids) {
gwy_app_file_chooser_free_preview(chooser);
return FALSE;
}
g_object_set(chooser->renderer_fileinfo,
"ellipsize", PANGO_ELLIPSIZE_END,
"wrap-width", -1,
NULL);
gtk_list_store_clear(store);
str = g_string_new(NULL);
for (l = channel_ids; l; l = g_slist_next(l)) {
id = GPOINTER_TO_INT(l->data);
pixbuf = gwy_app_get_channel_thumbnail(chooser->preview_data, id,
TMS_NORMAL_THUMB_SIZE,
TMS_NORMAL_THUMB_SIZE);
if (!pixbuf) {
g_warning("Cannot make a pixbuf of channel %d", id);
continue;
}
if (chooser->make_thumbnail) {
_gwy_app_recent_file_write_thumbnail(chooser->preview_name_sys,
chooser->preview_data,
id, pixbuf);
chooser->make_thumbnail = FALSE;
}
gwy_app_file_chooser_describe_channel(chooser->preview_data, id, str);
gtk_list_store_insert_with_values(store, &iter, -1,
COLUMN_PIXBUF, pixbuf,
COLUMN_FILEINFO, str->str,
-1);
g_object_unref(pixbuf);
}
g_string_free(str, TRUE);
return FALSE;
}
static gboolean
gwy_app_file_chooser_do_full_preview(gpointer user_data)
{
GtkFileChooser *fchooser;
GtkTreeModel *model;
GtkListStore *store;
GwyAppFileChooser *chooser;
FileInfoData filedata;
GwyContainer *data, *settings;
GdkPixbuf *pixbuf;
GtkTreeIter iter;
const gchar *name;
gboolean row_level = FALSE, plane_level = FALSE;
GString *str;
GSList *l;
gint id;
chooser = GWY_APP_FILE_CHOOSER(user_data);
chooser->full_preview_id = 0;
/* Always no-op here? */
gwy_app_file_chooser_free_preview(chooser);
fchooser = GTK_FILE_CHOOSER(chooser);
chooser->preview_name_sys = gtk_file_chooser_get_preview_filename(fchooser);
/* We should not be called when gtk_file_chooser_get_preview_filename()
* returns NULL preview file name */
if (!chooser->preview_name_sys) {
g_warning("Full preview invoked with NULL preview file name");
return FALSE;
}
model = gtk_icon_view_get_model(GTK_ICON_VIEW(chooser->preview));
store = GTK_LIST_STORE(model);
data = gwy_file_load(chooser->preview_name_sys,
GWY_RUN_NONINTERACTIVE, NULL);
if (!data) {
gwy_app_file_chooser_free_preview(chooser);
gtk_list_store_clear(store);
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
COLUMN_FILEINFO, _("Cannot preview"),
-1);
return FALSE;
}
gwy_data_validate(data,
GWY_DATA_VALIDATE_CORRECT | GWY_DATA_VALIDATE_NO_REPORT);
memset(&filedata, 0, sizeof(FileInfoData));
gwy_container_foreach(data, NULL, add_object_id, &filedata);
filedata.channels = g_slist_sort(filedata.channels, compare_ids);
filedata.graphs = g_slist_sort(filedata.graphs, compare_ids);
filedata.spectra = g_slist_sort(filedata.spectra, compare_ids);
str = g_string_new(NULL);
if (gwy_file_get_data_info(data, &name, NULL)) {
/* FIXME: Make this translatable */
g_string_printf(str, "<small>%s", name);
if (filedata.nchannels)
g_string_append_printf(str, ", %d ch", filedata.nchannels);
if (filedata.graphs)
g_string_append_printf(str, ", %d gr", filedata.ngraphs);
if (filedata.spectra)
g_string_append_printf(str, ", %d sps", filedata.nspectra);
g_string_append(str, "</small>");
gtk_label_set_markup(GTK_LABEL(chooser->preview_type), str->str);
}
if (!filedata.channels) {
g_string_free(str, TRUE);
g_slist_free(filedata.channels);
g_slist_free(filedata.graphs);
g_slist_free(filedata.spectra);
g_object_unref(data);
gwy_app_file_chooser_free_preview(chooser);
return FALSE;
}
g_object_set(chooser->renderer_fileinfo,
"ellipsize", PANGO_ELLIPSIZE_END,
"wrap-width", -1,
NULL);
settings = gwy_app_settings_get();
gwy_container_gis_boolean_by_name(settings, "/app/file/preview/plane-level",
&plane_level);
gwy_container_gis_boolean_by_name(settings, "/app/file/preview/row-level",
&row_level);
gtk_list_store_clear(store);
for (l = filedata.channels; l; l = g_slist_next(l)) {
id = GPOINTER_TO_INT(l->data);
modify_channel_for_preview(data, id, plane_level, row_level);
pixbuf = gwy_app_get_channel_thumbnail(data, id,
TMS_NORMAL_THUMB_SIZE,
TMS_NORMAL_THUMB_SIZE);
if (!pixbuf) {
g_warning("Cannot make a pixbuf of channel %d", id);
continue;
}
if (chooser->make_thumbnail) {
_gwy_app_recent_file_write_thumbnail(chooser->preview_name_sys,
data,
id, pixbuf);
chooser->make_thumbnail = FALSE;
}
gwy_app_file_chooser_describe_channel(data, id, str);
gtk_list_store_insert_with_values(store, &iter, -1,
COLUMN_PIXBUF, pixbuf,
COLUMN_FILEINFO, str->str,
-1);
g_object_unref(pixbuf);
}
g_slist_free(filedata.channels);
g_slist_free(filedata.graphs);
g_slist_free(filedata.spectra);
g_string_free(str, TRUE);
g_object_unref(data);
return FALSE;
}
