1 files changed, 100 insertions, 0 deletions
diff --git a/code/fe310/eos/eve/screen/page.c b/code/fe310/eos/eve/screen/page.c
new file mode 100644
index 0000000..f54056c
--- /dev/null
+++ b/code/fe310/eos/eve/screen/page.c
@@ -0,0 +1,100 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "eve.h"
+#include "eve_kbd.h"
+#include "unicode.h"
+
+#include "screen.h"
+#include "window.h"
+#include "page.h"
+#include "font.h"
+
+#include "widget/label.h"
+#include "widget/widget.h"
+
+#define CH_EOF              0x1a
+
+void eve_page_init(EVEPage *page, EVEWindow *window, eve_view_touch_t touch, eve_view_draw_t draw, eve_page_open_t open, eve_page_close_t close, eve_page_evt_handler_t handle_evt, eve_page_g_updater_t update_g) {
+    memset(page, 0, sizeof(EVEPage));
+    page->v.touch = touch;
+    page->v.draw = draw;
+    page->v.window = window;
+    page->open = open;
+    page->close = close;
+    page->handle_evt = handle_evt;
+    page->update_g = update_g;
+    page->widget_f = NULL;
+    window->view = (EVEView *)page;
+}
+
+int16_t eve_page_x(EVEPage *page, int16_t x) {
+    return x + page->win_x - page->v.window->g.x;
+}
+
+int16_t eve_page_y(EVEPage *page, int16_t y) {
+    return y + page->win_y - page->v.window->g.y;
+}
+
+int16_t eve_page_scr_x(EVEPage *page, int16_t x) {
+    return x - page->win_x + page->v.window->g.x;
+}
+
+int16_t eve_page_scr_y(EVEPage *page, int16_t y) {
+    return y - page->win_y + page->v.window->g.y;
+}
+
+void eve_page_set_focus(EVEPage *page, EVEWidget *widget, EVERect *f) {
+    if (page->widget_f != widget) {
+        EVEKbd *kbd = eve_screen_get_kbd(page->v.window->screen);
+
+        if (kbd) {
+            EVEWidget *widget_f = page->widget_f;
+
+            if (widget_f && widget_f->putc) {
+                eve_screen_hide_kbd(page->v.window->screen);
+                widget_f->putc(page, CH_EOF);
+            }
+            if (widget && widget->putc) {
+                eve_kbd_set_handler(kbd, widget->putc, page);
+                eve_screen_show_kbd(page->v.window->screen);
+            } else {
+                eve_kbd_set_handler(kbd, NULL, NULL);
+            }
+        }
+        page->widget_f = widget;
+    }
+
+    if (f) {
+        EVERect g;
+
+        eve_window_visible_g(page->v.window, &g);
+        g.x -= page->v.window->g.x;
+        g.y -= page->v.window->g.y;
+
+        if (f->x < page->win_x + g.x) {
+            page->win_x = f->x - g.x;
+        }
+        if (f->y < page->win_y + g.y) {
+            page->win_y = f->y - g.y;
+        }
+        if ((f->x + f->w) > (page->win_x + g.x + g.w)) {
+            page->win_x = (f->x + f->w) - (g.x + g.w);
+        }
+        if ((f->y + f->h) > (page->win_y + g.y + g.h)) {
+            page->win_y = (f->y + f->h) - (g.y + g.h);
+        }
+    }
+}
+
+EVEWidget *eve_page_get_focus(EVEPage *page) {
+    return page->widget_f;
+}
+
+int eve_page_rect_visible(EVEPage *page, EVERect *g) {
+    uint16_t w = page->v.window->g.w;
+    uint16_t h = page->v.window->g.h;
+
+    if (((g->x + g->w) >= page->win_x) && ((g->y + g->h) >= page->win_y) && (g->x <= (page->win_x + w)) && (g->y <= (page->win_y + h))) return 1;
+    return 0;
+}