123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144 |
- #include "zori.h"
- #include "zori_page.h"
- #include "zori_screen.h"
- struct zori_screen * zori_widget_to_screen(struct zori_widget * widget) {
- return ZORI_CONTAINER_OF(widget, struct zori_screen, widget);
- }
- /** Handles a mouse axis event and then pass it on to the active page. */
- int zori_screen_on_mouse_axes(union zori_event * event) {
- struct zori_screen * screen = zori_widget_to_screen(event->any.widget);
- screen->cursors.mouse.p.x = event->sys.ev->mouse.x;
- screen->cursors.mouse.p.y = event->sys.ev->mouse.y;
-
- if (screen->active_page) {
- return zori_widget_raise_system_event(&screen->active_page->widget,
- event->sys.ev);
- }
- return ZORI_HANDLE_PASS;
- }
- /** Handles a system event by passing it on to the active page. */
- int zori_screen_on_sysevent(union zori_event * event) {
- struct zori_screen * screen = zori_widget_to_screen(event->any.widget);
-
- if (screen->active_page) {
- return zori_widget_raise_system_event(&screen->active_page->widget,
- event->sys.ev);
- }
- return ZORI_HANDLE_PASS;
- }
-
- void zori_draw_cursor(const struct zori_cursor * cursor, const struct zori_style * style) {
- if (cursor->bitmap) {
- al_draw_bitmap(cursor->bitmap, cursor->p.x, cursor->p.y, 0);
- } else {
- float x1, x2, x3, y1, y2, y3;
- x1 = cursor->p.x;
- y1 = cursor->p.y;
- x2 = x1 + 24 + 8;
- y2 = y1 + 24 - 8;
- x3 = x1 + 24 - 8;
- y3 = y1 + 24 + 8;
- al_draw_filled_triangle(x1, y1, x2, y2, x3, y3, style->fore.color);
- al_draw_triangle(x1, y1, x2, y2, x3, y3, style->back.color, 1.0);
- }
- };
- void zori_draw_cursors(const struct zori_cursors * cursors, const struct zori_style * style) {
- zori_draw_cursor(&cursors->keyjoy, style);
- zori_draw_cursor(&cursors->mouse, style);
- };
-
- int zori_screen_on_overdraw(union zori_event * event) {
- struct zori_screen * screen = zori_widget_to_screen(event->any.widget);
- zori_draw_cursors(&screen->cursors, &screen->widget.style);
- return ZORI_HANDLE_PASS;
- }
- /* Handlers must beset up for many events on screen to funnel them all into
- * the active page. */
- struct zori_handler zori_screen_handlers[] = {
- { ZORI_SYSTEM_EVENT_KEY_DOWN , zori_screen_on_sysevent , NULL },
- { ZORI_SYSTEM_EVENT_KEY_UP , zori_screen_on_sysevent , NULL },
- { ZORI_SYSTEM_EVENT_KEY_CHAR , zori_screen_on_sysevent , NULL },
- { ZORI_SYSTEM_EVENT_MOUSE_BUTTON_DOWN , zori_screen_on_sysevent , NULL },
- { ZORI_SYSTEM_EVENT_MOUSE_BUTTON_UP , zori_screen_on_sysevent , NULL },
- { ZORI_SYSTEM_EVENT_MOUSE_AXES , zori_screen_on_mouse_axes , NULL },
- { ZORI_EVENT_OVERDRAW , zori_screen_on_overdraw , NULL },
- { -1, NULL, NULL }
- };
- struct zori_screen *
- zori_screen_init(struct zori_screen * screen, zori_display * display) {
- memset(&screen->cursors, 0, sizeof(screen->cursors));
- /* the keyjoy cursor is hidden off-screen to begin with. */
- screen->cursors.keyjoy.p.x = - 64;
- screen->cursors.keyjoy.p.y = - 64;
-
- screen->display = display;
- screen->active_page = NULL;
- return screen;
- }
- struct zori_screen * zori_screen_new(zori_id id, zori_display * display) {
- struct zori_screen * screen = NULL; zori_rebox box;
- box.at.x = 0;
- box.at.y = 0;
- if (!display) return NULL;
- screen = calloc(1, sizeof(*screen));
- if (!screen) return NULL;
- box.size.x = al_get_display_width(display);
- box.size.y = al_get_display_height(display);
- zori_widget_initall(&screen->widget, ZORI_WIDGET_TYPE_SCREEN, id, &zori_get_root()->widget,
- &box, NULL, ZORI_ARRAY_AND_AMOUNT(zori_screen_handlers));
- if (!zori_screen_init(screen, display)) {
- free(screen);
- screen = NULL;
- }
- return screen;
- }
- zori_id zori_new_screen(zori_id id, zori_display * display) {
- struct zori_screen * screen = zori_screen_new(id, display);
- if (!screen) return ZORI_ID_ENOMEM;
- return screen->widget.id;
- }
- zori_id zori_active_page(zori_id screen_id) {
- struct zori_screen * screen = zori_widget_to_screen(zori_get_widget(screen_id));
- if (!screen) {
- return ZORI_ID_EINVAL;
- }
- if (!screen->active_page) {
- return ZORI_ID_EINVAL;
- }
- return screen->active_page->widget.id;
- }
- zori_id zori_screen_go(zori_id screen_id, zori_id page_id, void * data) {
- struct zori_screen * screen = zori_widget_to_screen(zori_get_widget(screen_id));
- struct zori_page * page = zori_widget_to_page(zori_get_widget(page_id));
-
- if ((screen) && (page)) {
- screen->active_page = page;
- zori_widget_raise_action_event(&page->widget);
- return page->widget.id;
- } else {
- return ZORI_ID_EINVAL;
- }
- }
|