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Allow user to set number of rows to pre-read async.

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This commit is contained in:
Dave Davenport 2017-01-30 17:15:34 +01:00
parent c9d16d2eda
commit 714b5968d5
1 changed files with 16 additions and 2 deletions
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18
source/dialogs/dmenu.c
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@ -168,10 +168,22 @@ static void async_read_cancel ( G_GNUC_UNUSED GCancellable *cancel, G_GNUC_UNUSE
g_log ( LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Cancelled the async read." ); g_log ( LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Cancelled the async read." );
} }
static void get_dmenu_async ( DmenuModePrivateData *pd ) static int get_dmenu_async ( DmenuModePrivateData *pd, int sync_pre_read )
{ {
while(sync_pre_read-- ){
gsize len = 0;
char *data = g_data_input_stream_read_upto ( pd->data_input_stream, &( pd->separator ), 1, &len, NULL, NULL );
if ( data == NULL ) {
g_input_stream_close_async ( G_INPUT_STREAM ( pd->input_stream ), G_PRIORITY_LOW, pd->cancel, async_close_callback, pd );
return FALSE;
}
g_data_input_stream_read_byte ( pd->data_input_stream, NULL, NULL );
read_add ( pd, data, len );
g_free ( data );
}
g_data_input_stream_read_upto_async ( pd->data_input_stream, &( pd->separator ), 1, G_PRIORITY_LOW, pd->cancel, g_data_input_stream_read_upto_async ( pd->data_input_stream, &( pd->separator ), 1, G_PRIORITY_LOW, pd->cancel,
async_read_callback, pd ); async_read_callback, pd );
return TRUE;
} }
static void get_dmenu_sync ( DmenuModePrivateData *pd ) static void get_dmenu_sync ( DmenuModePrivateData *pd )
{ {
@ -622,7 +634,9 @@ int dmenu_switcher_dialog ( void )
async = FALSE; async = FALSE;
} }
if ( async ) { if ( async ) {
get_dmenu_async ( pd ); unsigned int pre_read = 0;
find_arg_uint("-async-pre-read", &pre_read);
async = get_dmenu_async ( pd, pre_read );
} }
else { else {
get_dmenu_sync ( pd ); get_dmenu_sync ( pd );