X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=libchimara%2Fchimara-glk.c;h=ca01f44510d7c7dd86a0db2fa9698385cea1197b;hb=8dc72fc5acf19793c8edb5d69ac2d55f7c5a7510;hp=5cdf63eba1ab7d64a241380d76d86f73cd7cb5dc;hpb=ae4847f3dc67b8bdddf6e3e8dbec0348995efaef;p=projects%2Fchimara%2Fchimara.git diff --git a/libchimara/chimara-glk.c b/libchimara/chimara-glk.c index 5cdf63e..ca01f44 100644 --- a/libchimara/chimara-glk.c +++ b/libchimara/chimara-glk.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "chimara-glk.h" #include "chimara-glk-private.h" #include "chimara-marshallers.h" @@ -178,9 +179,12 @@ chimara_glk_init(ChimaraGlk *self) priv->char_input_queue = g_async_queue_new(); priv->line_input_queue = g_async_queue_new(); /* Should be g_async_queue_new_full(g_free); but only in GTK >= 2.16 */ + priv->resource_map = NULL; priv->resource_lock = g_mutex_new(); priv->resource_loaded = g_cond_new(); priv->resource_info_available = g_cond_new(); + priv->resource_load_callback = NULL; + priv->resource_load_callback_data = NULL; priv->image_cache = NULL; priv->program_name = NULL; priv->program_info = NULL; @@ -1362,8 +1366,8 @@ chimara_glk_feed_char_input(ChimaraGlk *glk, guint keyval) * request. @text does not need to end with a newline. You can call this * function even when no window has requested line input, in which case the text * will be saved for the following window that requests line input. This has the - * disadvantage that if more than one window has requested character input, it - * is arbitrary which one gets the text. + * disadvantage that if more than one window has requested line input, it is + * arbitrary which one gets the text. */ void chimara_glk_feed_line_input(ChimaraGlk *glk, const gchar *text) @@ -1375,6 +1379,40 @@ chimara_glk_feed_line_input(ChimaraGlk *glk, const gchar *text) event_throw(glk, evtype_ForcedLineInput, NULL, 0, 0); } +/** + * chimara_glk_is_char_input_pending: + * @glk: a #ChimaraGlk widget + * + * Use this function to tell if character input forced by + * chimara_glk_feed_char_input() has been passed to an input request or not. + * + * Returns: %TRUE if forced character input is pending, %FALSE otherwise. + */ +gboolean +chimara_glk_is_char_input_pending(ChimaraGlk *glk) +{ + g_return_val_if_fail(glk || CHIMARA_IS_GLK(glk), FALSE); + CHIMARA_GLK_USE_PRIVATE(glk, priv); + return g_async_queue_length(priv->char_input_queue) > 0; +} + +/** + * chimara_glk_is_line_input_pending: + * @glk: a #ChimaraGlk widget + * + * Use this function to tell if line input forced by + * chimara_glk_feed_line_input() has been passed to an input request or not. + * + * Returns: %TRUE if forced line input is pending, %FALSE otherwise. + */ +gboolean +chimara_glk_is_line_input_pending(ChimaraGlk *glk) +{ + g_return_val_if_fail(glk || CHIMARA_IS_GLK(glk), FALSE); + CHIMARA_GLK_USE_PRIVATE(glk, priv); + return g_async_queue_length(priv->line_input_queue) > 0; +} + /** * chimara_glk_get_tag: * @glk: a #ChimarGlk widget @@ -1470,3 +1508,30 @@ chimara_glk_update_style(ChimaraGlk *glk) g_mutex_unlock(priv->arrange_lock); gtk_widget_queue_resize( GTK_WIDGET(priv->self) ); } + +/** + * chimara_glk_set_resource_load_callback: + * @glk: a #ChimaraGlk widget + * @func: a function to call for loading resources, or %NULL + * @user_data: user data to pass to @func, or %NULL + * + * Sometimes it is preferable to load image and sound resources from somewhere + * else than a Blorb file, for example while developing a game. Section 14 of + * the Blorb + * specification allows for this possibility. This function sets @func + * to be called when the Glk program requests loading an image or sound without + * a Blorb resource map having been loaded, optionally passing @user_data as an + * extra parameter. + * + * Note that @func is only called if no Blorb resource map has been set; having + * a resource map in place overrides this function. + * + * To deactivate the callback, call this function with @func set to %NULL. + */ +void +chimara_glk_set_resource_load_callback(ChimaraGlk *glk, ChimaraResourceLoadFunc func, gpointer user_data) +{ + CHIMARA_GLK_USE_PRIVATE(glk, priv); + priv->resource_load_callback = func; + priv->resource_load_callback_data = user_data; +}