#include <glib/gi18n-lib.h>
#include <gmodule.h>
#include <pango/pango.h>
+#include <gio/gio.h>
#include "chimara-glk.h"
#include "chimara-glk-private.h"
#include "chimara-marshallers.h"
#include "glkunix.h"
#include "init.h"
#include "magic.h"
+#include "style.h"
#define CHIMARA_GLK_MIN_WIDTH 0
#define CHIMARA_GLK_MIN_HEIGHT 0
* #include <gtk/gtk.h>
* #include <libchimara/chimara-glk.h>
*
- * static gboolean
- * quit(void)
- * {
- * gtk_main_quit();
- * return TRUE;
- * }
- *
* int
* main(int argc, char *argv[])
* {
* /<!---->* Construct the window and its contents. We quit the GTK main loop
* * when the window's close button is clicked. *<!---->/
* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- * g_signal_connect(window, "delete-event", G_CALLBACK(quit), NULL);
+ * g_signal_connect(window, "delete-event", G_CALLBACK(gtk_main_quit), NULL);
* glk = chimara_glk_new();
* gtk_container_add(GTK_CONTAINER(window), glk);
* gtk_widget_show_all(window);
+ *
+ * /<!---->* Add a reference to the ChimaraGlk widget, since we want it to
+ * * persist after the window's delete-event -- otherwise it will be destroyed
+ * * with the window. *<!---->/
+ * g_object_ref(glk);
*
* /<!---->* Start the Glk program in a separate thread *<!---->/
* if(!chimara_glk_run(CHIMARA_GLK(glk), "./plugin.so", 2, plugin_argv, &error))
* * it is still running, and wait for it to exit. *<!---->/
* chimara_glk_stop(CHIMARA_GLK(glk));
* chimara_glk_wait(CHIMARA_GLK(glk));
+ * g_object_unref(glk);
*
* return 0;
* }
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;
g_free(priv->program_name);
g_free(priv->program_info);
g_free(priv->story_name);
+ g_free(priv->styles);
+ g_free(priv->glk_styles);
/* Chain up to parent */
G_OBJECT_CLASS(chimara_glk_parent_class)->finalize(object);
_chimara_marshal_VOID__UINT_STRING,
G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING);
/**
- * ChimaraGlk::iliad-update-screen:
+ * ChimaraGlk::iliad-screen-update:
* @self: The widget that received the signal
* @typing: Whether to perform a typing or full screen update
*
int fd = open(filename, O_RDONLY);
if(fd == -1) {
- *error = g_error_new(G_IO_ERROR, g_io_error_from_errno(errno),
- _("Error opening file \"%s\": %s"), filename, g_strerror(errno));
+ if(error)
+ *error = g_error_new(G_IO_ERROR, g_io_error_from_errno(errno),
+ _("Error opening file \"%s\": %s"), filename, g_strerror(errno));
return FALSE;
}
scan_css_file(scanner, glk);
if(close(fd) == -1) {
- *error = g_error_new(G_IO_ERROR, g_io_error_from_errno(errno),
- _("Error closing file \"%s\": %s"), filename, g_strerror(errno));
+ if(error)
+ *error = g_error_new(G_IO_ERROR, g_io_error_from_errno(errno),
+ _("Error closing file \"%s\": %s"), filename, g_strerror(errno));
return FALSE;
}
return TRUE;
* 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)
g_async_queue_push(priv->line_input_queue, g_strdup(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 #ChimaraGlk widget
+ * @window: The type of window to retrieve the tag for
+ * @name: The name of the tag to retrieve
+ *
+ * Use this function to get a #GtkTextTag so style properties can be changed.
+ * See also chimara_glk_set_css_from_string().
+ *
+ * The layout of the text in Chimara is controlled by two sets of tags: one set
+ * describing the style in text buffers and one for text grids. See also the
+ * Glk specification for the difference between the two. The main narrative of
+ * a game is usually rendered in text buffers, whereas text grids are mostly
+ * used for status bars and in game menus.
+ *
+ * The following tag names are supported:
+ * <itemizedlist>
+ * <listitem><para>normal</para></listitem>
+ * <listitem><para>emphasized</para></listitem>
+ * <listitem><para>preformatted</para></listitem>
+ * <listitem><para>header</para></listitem>
+ * <listitem><para>subheader</para></listitem>
+ * <listitem><para>alert</para></listitem>
+ * <listitem><para>note</para></listitem>
+ * <listitem><para>block-quote</para></listitem>
+ * <listitem><para>input</para></listitem>
+ * <listitem><para>user1</para></listitem>
+ * <listitem><para>user2</para></listitem>
+ * <listitem><para>hyperlink</para></listitem>
+ * <listitem><para>pager</para></listitem>
+ * </itemizedlist>
+ */
+GtkTextTag *
+chimara_glk_get_tag(ChimaraGlk *glk, ChimaraGlkWindowType window, const gchar *name)
+{
+ CHIMARA_GLK_USE_PRIVATE(glk, priv);
+
+ switch(window) {
+ case CHIMARA_GLK_TEXT_BUFFER:
+ return GTK_TEXT_TAG( g_hash_table_lookup(priv->styles->text_buffer, name) );
+ break;
+ case CHIMARA_GLK_TEXT_GRID:
+ return GTK_TEXT_TAG( g_hash_table_lookup(priv->styles->text_grid, name) );
+ break;
+ default:
+ ILLEGAL_PARAM("Unknown window type: %u", window);
+ return NULL;
+ }
+}
+
+/**
+ * chimara_glk_get_tag_names:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Retrieves the possible tag names to use in chimara_glk_get_tag().
+ */
+const gchar **
+chimara_glk_get_tag_names(ChimaraGlk *glk)
+{
+ return style_get_tag_names();
+}
+
+/**
+ * chimara_glk_get_num_tag_names:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Retrieves the number of style tags returned by chimara_glk_get_tag_names().
+ */
+gint
+chimara_glk_get_num_tag_names(ChimaraGlk *glk)
+{
+ return CHIMARA_NUM_STYLES;
+}
+
+/**
+ * chimara_glk_update_style:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Processes style updates and updates the widget to reflect the new style.
+ * Call this every time you change a property of a #GtkTextTag retrieved by
+ * chimara_glk_get_tag().
+ */
+void
+chimara_glk_update_style(ChimaraGlk *glk)
+{
+ CHIMARA_GLK_USE_PRIVATE(glk, priv);
+ style_update(glk);
+
+ /* Schedule a redraw */
+ g_mutex_lock(priv->arrange_lock);
+ priv->needs_rearrange = TRUE;
+ priv->ignore_next_arrange_event = TRUE;
+ 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 <ulink url="http://eblong.com/zarf/blorb/blorb.html#s14">Blorb
+ * specification</ulink> 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;
+}
projects / projects / chimara / chimara.git / blobdiff