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- #include "zori.h"
- #include "miao.h"
- #include <allegro5/allegro_color.h>
- /*
- * Pardon the pun name, but Zori is the submodule that handles the user
- * interface and the menus.
- */
- /* registry functionality */
- /** Compare registry entries. */
- int zori_registry_entry_compare(const void * v1, const void * v2) {
- const struct zori_registry_entry * entry1 = v1;
- const struct zori_registry_entry * entry2 = v2;
- return (entry2->id - entry1->id);
- }
- /** Initialize the registry. */
- zori_id zori_registry_init(struct zori_registry * registry) {
- miao_init(registry);
- return ZORI_ID_OK;
- }
- /** Add an entry to the registry. */
- zori_id
- zori_registry_add(struct zori_registry * registry, zori_id id,
- struct zori_widget * widget) {
- struct zori_registry_entry entry = { id, widget };
- if (miao_push(registry, entry)) {
- miao_qsort(registry, zori_registry_entry_compare);
- return ZORI_ID_OK;
- }
- return ZORI_ID_ENOMEM;
- }
- /** Look up an entry in the registry. */
- struct zori_registry_entry *
- zori_registry_lookup_entry(struct zori_registry * registry, zori_id id) {
- struct zori_registry_entry key = { id, NULL };
- return miao_bsearch(registry, zori_registry_entry_compare, &key);
- }
- /** Look up a widget in the registry. */
- struct zori_widget *
- zori_registry_lookup(struct zori_registry * registry, zori_id id) {
- struct zori_widget * result = NULL;
- struct zori_registry_entry * entry = NULL;
-
- entry = zori_registry_lookup_entry(registry, id);
- if (entry) {
- result = entry->widget;
- }
- return result;
- }
- /** Remove an entry from the registry. */
- zori_id
- zori_registry_remove(struct zori_registry * registry, zori_id id) {
- struct zori_registry_entry * entry = NULL;
- entry = zori_registry_lookup_entry(registry, id);
- if (entry) {
- miao_delete_entry(registry, entry);
- }
- return ZORI_ID_OK;
- }
- /** Handler functionality */
- int zori_handler_compare(const void * v1, const void * v2) {
- const struct zori_handler * h1 = v1;
- const struct zori_handler * h2 = v2;
-
- if (h1->type < h2->type) return -1;
- if (h1->type > h2->type) return 1;
- return 0;
- }
- struct zori_handler * zori_handlers_add(struct zori_handlers * me, zori_event_type type, zori_handler_func * handler, void * data) {
- struct zori_handler * result = NULL;
-
- result = miao_push_ptr(me);
- if (result) {
- result->type = type;
- result->handler = handler;
- result->data = data;
- }
- miao_qsort(me, zori_handler_compare);
- return result;
- }
- void zori_handlers_done(struct zori_handlers * me) {
- miao_done(me);
- }
- void zori_handlers_init(struct zori_handlers * me) {
- miao_init(me);
- }
- struct zori_handler * zori_handlers_search(struct zori_handlers * me, zori_event_type type) {
- struct zori_handler * result;
- struct zori_handler key;
- key.type = type;
- key.handler = NULL;
- key.data = NULL;
- if (!me) return NULL;
- result = miao_bsearch(me, zori_handler_compare, &key);
- return result;
- }
- int zori_handlers_handle(struct zori_handlers * me, struct zori_event * event, struct zori_widget * widget) {
- struct zori_handler * handler = zori_handlers_search(me, event->sysev.type);
- if (!handler) return 0;
- return handler->handler(event);
- }
- static struct zori_root * the_zori_root = NULL;
- static struct zori_style * the_default_style = NULL;
- static struct zori_registry * the_zori_registry = NULL;
- int zori_widget_compare(const void * v1, const void * v2) {
- const struct zori_widget * w1 = v1, * w2 = v2;
- return (w2->id - w1->id);
- }
- struct zori_widget * zori_get_widget(zori_id id) {
- struct zori_widget key = {0};
- key.id = id;
- return miao_bsearch(the_zori_root->widgets, zori_widget_compare, &key);
- }
- zori_id zori_get_unused_id(void) {
- zori_id id = -1;
- struct zori_widget * found;
- do {
- id++;
- if (id == INT_MAX) { return ZORI_ID_ERROR; }
- found = zori_get_widget(id);
- } while(found);
-
- return id;
- }
- zori_id zori_start(struct zori_style * default_style) {
- if (the_zori_root) return ZORI_ID_OK;
- the_zori_root = calloc(1, sizeof(*the_zori_root));
- if (!the_zori_root) return ZORI_ID_ENOMEM;
- the_default_style = calloc(1, sizeof(*the_default_style));
- if (!the_default_style) return ZORI_ID_ENOMEM;
- the_zori_registry = calloc(1, sizeof(*the_zori_registry));
- if (!the_zori_registry) return ZORI_ID_ENOMEM;
-
-
- the_default_style->text.font = al_create_builtin_font();
- the_default_style->text.color = al_color_name("white");
- the_default_style->border.color = al_color_name("white");
- the_default_style->back.color = al_color_name("green");
-
- if (default_style) {
- the_zori_root->widget.style = *default_style;
- } else {
- the_zori_root->widget.style = *the_default_style;
- }
-
- miao_init(the_zori_root->widgets);
- the_zori_root->widget.id = 0;
- zori_registry_add(the_zori_registry, the_zori_root->widget.id, &the_zori_root->widget);
-
- /*
- * miao_push(the_zori_root->widgets, &the_zori_root->widget);
- * miao_qsort(the_zori_root->widgets, zori_widget_compare);
- */
-
-
- return the_zori_root->widget.id;
- }
- void zori_widget_free(struct zori_widget * widget);
- struct zori_widget * zori_widget_done(struct zori_widget * widget) {
- struct zori_widget * aid, * next;
- if (!widget) return widget;
-
- if (widget->child) {
- /* Free all children. */
- aid = widget->child;
- while (aid) {
- next = aid->sibling;
- zori_widget_free(aid);
- aid = next;
- }
- }
- return widget;
- }
- void zori_widget_free(struct zori_widget * widget) {
- /* XXX remove from widget registry too... */
- return free(zori_widget_done(widget));
- }
- /* Shut down Zori and destroys all widgets. Return 0 on succes or
- * negative on error.
- */
- zori_id zori_shutdown() {
- miao_done(the_zori_registry);
- free(the_zori_registry);
- the_zori_registry = NULL;
- free(the_default_style);
- the_default_style = NULL;
- assert((void *)(&the_zori_root->widget) == (void *)the_zori_root);
- zori_widget_free(&the_zori_root->widget);
- the_zori_root = NULL;
- return ZORI_ID_OK;
- }
- /* Creates a new screen widget. Normally this should be the first widget
- * you create after zori_start. */
- zori_id zori_new_screen(zori_display * display);
- /* Creates a new page widget on the given screen. The page is not
- * made the active page, unless if it is the first one created. */
- zori_id zori_new_page(zori_id screen);
- /* Activates the page on it's display. All other pages are dectivated and
- * hidden. */
- zori_id zori_activate_page(zori_id page);
- /* Creates a new generic widget on the given screen with the given
- * dimensions. */
- zori_id zori_new(zori_id screen, zori_rebox * box);
- /* Sets the flags of a widget. */
- zori_id zori_set_flags(zori_id widget, enum zori_flag flags);
- /* Sets the whole style of a widget. */
- zori_id zori_set_style(zori_id id, struct zori_style * style);
- /* Sets the background color of the widget. */
- zori_id zori_set_background_color(zori_id id, zori_color color);
- /* Sets the foreground color of the widget. */
- zori_id zori_set_foreground_color(zori_id id, zori_color color);
- /* Creates a new frame widget. */
- zori_id zori_new_frame_widget(zori_id parent, zori_rebox box);
- /* Creates a new (vertical) menu widget. */
- zori_id zori_new_menu_widget(zori_id parent, zori_rebox box, char * text);
- /* Creates a new button widget. */
- zori_id zori_new_button_widget(zori_id parent, zori_rebox box, char * text);
- /* Creates a new conversation widget. */
- zori_id zori_new_conversation_widget(zori_id parent, zori_rebox box, char * text);
- /* Draws the whole UI and all visible parts. */
- void zori_draw_all(void) {
- }
- /* Updates the state of the UI. Pass in the time passed since last update. */
- void zori_update(double dt)
- {
- struct zori_event event;
- event.sysev.type = ZORI_EVENT_UPDATE;
- event.sysev.user.data1 = (intptr_t)&dt;
- zori_handlers_handle(&the_zori_root->widget.handlers, &event, &the_zori_root->widget);
- }
- /* Registers an event handler for a widget. */
- zori_id zori_register(zori_id id, zori_event_type type, zori_handler_func handler, void * extra);
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