/*static*/ void TabPage::onFolderStartLoading(FmFolder* _folder, TabPage* pThis) {
if(!pThis->overrideCursor_) {
// FIXME: sometimes FmFolder of libfm generates unpaired "start-loading" and
// "finish-loading" signals of uncertain reasons. This should be a bug in libfm.
// Until it's fixed in libfm, we need to workaround the problem here, not to
// override the cursor twice.
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
pThis->overrideCursor_ = true;
}
#if 0
#if FM_CHECK_VERSION(1, 0, 2) && 0 // disabled
if(fm_folder_is_incremental(_folder)) {
/* create a model for the folder and set it to the view
it is delayed for non-incremental folders since adding rows into
model is much faster without handlers connected to its signals */
FmFolderModel* model = fm_folder_model_new(folder, FALSE);
fm_folder_view_set_model(fv, model);
fm_folder_model_set_sort(model, app_config->sort_by,
(app_config->sort_type == GTK_SORT_ASCENDING) ?
FM_SORT_ASCENDING : FM_SORT_DESCENDING);
g_object_unref(model);
}
else
#endif
fm_folder_view_set_model(fv, NULL);
#endif
}
static void on_folder_start_loading(FmFolder* folder, FmTabPage* page)
{
FmFolderView* fv = page->folder_view;
/* g_debug("start-loading"); */
/* FIXME: this should be set on toplevel parent */
fm_set_busy_cursor(GTK_WIDGET(page));
if(fm_folder_is_incremental(folder))
{
/* create a model for the folder and set it to the view
it is delayed for non-incremental folders since adding rows into
model is much faster without handlers connected to its signals */
FmFolderModel* model = fm_folder_model_new(folder, FALSE);
fm_folder_view_set_model(fv, model);
fm_folder_model_set_sort(model, app_config->sort_by,
(app_config->sort_type == GTK_SORT_ASCENDING) ?
FM_SORT_ASCENDING : FM_SORT_DESCENDING);
g_object_unref(model);
}
else
fm_folder_view_set_model(fv, NULL);
page->loading = TRUE;
g_object_notify_by_pspec(G_OBJECT(page), props[PROP_LOADING]);
}
static void on_folder_finish_loading(FmFolder* folder, FmTabPage* page)
{
FmFolderView* fv = page->folder_view;
const FmNavHistoryItem* item;
GtkScrolledWindow* scroll = GTK_SCROLLED_WINDOW(fv);
/* Note: most of the time, we delay the creation of the
* folder model and do it after the whole folder is loaded.
* That is because adding rows into model is much faster when no handlers
* are connected to its signals. So we detach the model from folder view
* and create the model again when it's fully loaded.
* This optimization, however, is not used for FmFolder objects
* with incremental loading (search://) */
if(fm_folder_view_get_model(fv) == NULL)
{
/* create a model for the folder and set it to the view */
FmFolderModel* model = fm_folder_model_new(folder, app_config->show_hidden);
fm_folder_view_set_model(fv, model);
fm_folder_model_set_sort(model, app_config->sort_by,
(app_config->sort_type == GTK_SORT_ASCENDING) ?
FM_SORT_ASCENDING : FM_SORT_DESCENDING);
g_object_unref(model);
}
fm_folder_query_filesystem_info(folder); /* FIXME: is this needed? */
if (page->select_path_after_chdir)
{
fm_folder_view_select_file_path(fv, page->select_path_after_chdir);
fm_path_unref(page->select_path_after_chdir);
page->select_path_after_chdir = NULL;
}
// fm_path_entry_set_path(entry, path);
/* scroll to recorded position */
item = fm_nav_history_get_cur(page->nav_history);
gtk_adjustment_set_value(gtk_scrolled_window_get_vadjustment(scroll), item->scroll_pos);
/* update status bar */
/* update status text */
g_free(page->status_text[FM_STATUS_TEXT_NORMAL]);
page->status_text[FM_STATUS_TEXT_NORMAL] = format_status_text(page);
g_signal_emit(page, signals[STATUS], 0,
(guint)FM_STATUS_TEXT_NORMAL,
page->status_text[FM_STATUS_TEXT_NORMAL]);
fm_unset_busy_cursor(GTK_WIDGET(page));
/* g_debug("finish-loading"); */
page->loading = FALSE;
g_object_notify_by_pspec(G_OBJECT(page), props[PROP_LOADING]);
}
/*static*/ void TabPage::onFolderFinishLoading(FmFolder* _folder, TabPage* pThis) {
// FIXME: is this needed?
FmFileInfo* fi = fm_folder_get_info(_folder);
if(fi) { // if loading of the folder fails, it's possible that we don't have FmFileInfo.
pThis->title_ = QString::fromUtf8(fm_file_info_get_disp_name(fi));
Q_EMIT pThis->titleChanged(pThis->title_);
}
fm_folder_query_filesystem_info(_folder); // FIXME: is this needed?
#if 0
FmFolderView* fv = folder_view;
const FmNavHistoryItem* item;
GtkScrolledWindow* scroll = GTK_SCROLLED_WINDOW(fv);
/* Note: most of the time, we delay the creation of the
* folder model and do it after the whole folder is loaded.
* That is because adding rows into model is much faster when no handlers
* are connected to its signals. So we detach the model from folder view
* and create the model again when it's fully loaded.
* This optimization, however, is not used for FmFolder objects
* with incremental loading (search://) */
if(fm_folder_view_get_model(fv) == NULL) {
/* create a model for the folder and set it to the view */
FmFolderModel* model = fm_folder_model_new(folder, app_config->show_hidden);
fm_folder_view_set_model(fv, model);
#if FM_CHECK_VERSION(1, 0, 2)
/* since 1.0.2 sorting should be applied on model instead of view */
fm_folder_model_set_sort(model, app_config->sort_by,
(app_config->sort_type == GTK_SORT_ASCENDING) ?
FM_SORT_ASCENDING : FM_SORT_DESCENDING);
#endif
g_object_unref(model);
}
#endif
// update status text
QString& text = pThis->statusText_[StatusTextNormal];
text = pThis->formatStatusText();
Q_EMIT pThis->statusChanged(StatusTextNormal, text);
if(pThis->overrideCursor_) {
QApplication::restoreOverrideCursor(); // remove busy cursor
pThis->overrideCursor_ = false;
}
// After finishing loading the folder, the model is updated, but Qt delays the UI update
// for performance reasons. Therefore at this point the UI is not up to date.
// Of course, the scrollbar ranges are not updated yet. We solve this by installing an Qt timeout handler.
QTimer::singleShot(10, pThis, SLOT(restoreScrollPos()));
}