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Fix monitoring of file renames

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This commit is contained in:
Přemysl Eric Janouch 2023-06-05 14:53:06 +02:00
parent cc59e537da
commit a3745df84b
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 37 additions and 31 deletions
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68
fiv-io-model.c
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@ -330,6 +330,36 @@ model_find(const GPtrArray *target, GFile *file, FivIoModelEntry **entry)
return -1;
}
enum monitor_event {
MONITOR_NONE,
MONITOR_CHANGING,
MONITOR_RENAMING,
MONITOR_REMOVING,
MONITOR_ADDING
};
static void
monitor_apply(enum monitor_event event, GPtrArray *target, int index,
FivIoModelEntry *new_entry)
{
// The file used to be filtered out but isn't anymore.
// TODO(p): Handle the inverse transition as well.
if (event == MONITOR_RENAMING && index < 0)
event = MONITOR_ADDING;
if (event == MONITOR_CHANGING) {
g_assert(new_entry != NULL);
fiv_io_model_entry_unref(target->pdata[index]);
target->pdata[index] = fiv_io_model_entry_ref(new_entry);
}
if (event == MONITOR_REMOVING || event == MONITOR_RENAMING)
g_ptr_array_remove_index(target, index);
if (event == MONITOR_RENAMING || event == MONITOR_ADDING) {
g_assert(new_entry != NULL);
g_ptr_array_add(target, fiv_io_model_entry_ref(new_entry));
}
}
static void
on_monitor_changed(G_GNUC_UNUSED GFileMonitor *monitor, GFile *file,
GFile *other_file, GFileMonitorEvent event_type, gpointer user_data)
@ -340,25 +370,25 @@ on_monitor_changed(G_GNUC_UNUSED GFileMonitor *monitor, GFile *file,
gint files_index = model_find(self->files, file, &old_entry);
gint subdirs_index = model_find(self->subdirs, file, &old_entry);
enum { NONE, CHANGING, RENAMING, REMOVING, ADDING } action = NONE;
enum monitor_event action = MONITOR_NONE;
GFile *new_entry_file = NULL;
switch (event_type) {
case G_FILE_MONITOR_EVENT_CHANGED:
case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
action = CHANGING;
action = MONITOR_CHANGING;
new_entry_file = file;
break;
case G_FILE_MONITOR_EVENT_RENAMED:
action = RENAMING;
action = MONITOR_RENAMING;
new_entry_file = other_file;
break;
case G_FILE_MONITOR_EVENT_DELETED:
case G_FILE_MONITOR_EVENT_MOVED_OUT:
action = REMOVING;
action = MONITOR_REMOVING;
break;
case G_FILE_MONITOR_EVENT_CREATED:
case G_FILE_MONITOR_EVENT_MOVED_IN:
action = ADDING;
action = MONITOR_ADDING;
old_entry = NULL;
new_entry_file = file;
break;
@ -402,36 +432,12 @@ run:
fiv_io_model_entry_ref(old_entry);
if (files_index != -1 || new_target == self->files) {
if (action == CHANGING) {
g_assert(new_entry != NULL);
fiv_io_model_entry_unref(self->files->pdata[files_index]);
self->files->pdata[files_index] =
fiv_io_model_entry_ref(new_entry);
}
if (action == REMOVING || action == RENAMING)
g_ptr_array_remove_index(self->files, files_index);
if (action == RENAMING || action == ADDING) {
g_assert(new_entry != NULL);
g_ptr_array_add(self->files, fiv_io_model_entry_ref(new_entry));
}
monitor_apply(action, self->files, files_index, new_entry);
g_signal_emit(self, model_signals[FILES_CHANGED],
0, old_entry, new_entry);
}
if (subdirs_index != -1 || new_target == self->subdirs) {
if (action == CHANGING) {
g_assert(new_entry != NULL);
fiv_io_model_entry_unref(self->subdirs->pdata[subdirs_index]);
self->subdirs->pdata[subdirs_index] =
fiv_io_model_entry_ref(new_entry);
}
if (action == REMOVING || action == RENAMING)
g_ptr_array_remove_index(self->subdirs, subdirs_index);
if (action == RENAMING || action == ADDING) {
g_assert(new_entry != NULL);
g_ptr_array_add(self->subdirs, fiv_io_model_entry_ref(new_entry));
}
monitor_apply(action, self->subdirs, subdirs_index, new_entry);
g_signal_emit(self, model_signals[SUBDIRECTORIES_CHANGED],
0, old_entry, new_entry);
}