From 8592a98072740de43a5b469f60854d805641c999 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sat, 7 Mar 2020 05:15:17 +0100
Subject: eve screen/tile/canvas/page/form fw added; page widget added

---
 code/fe310/eos/eve/screen/form.c | 78 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 code/fe310/eos/eve/screen/form.c

(limited to 'code/fe310/eos/eve/screen/form.c')

diff --git a/code/fe310/eos/eve/screen/form.c b/code/fe310/eos/eve/screen/form.c
new file mode 100644
index 0000000..b4e59b9
--- /dev/null
+++ b/code/fe310/eos/eve/screen/form.c
@@ -0,0 +1,78 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "eve.h"
+#include "eve_kbd.h"
+
+#include "screen.h"
+#include "tile.h"
+#include "page.h"
+#include "form.h"
+
+#include "widget/widget.h"
+
+#define CH_EOF              0x1a
+
+int eve_form_init(EVEForm *form, EVETile *tile, eve_page_open_t open, eve_page_close_t close, EVEWidget *widget, uint16_t widget_size) {
+    memset(form, 0, sizeof(EVEForm));
+    eve_page_init(&form->p, tile, eve_form_touch, eve_form_draw, open, close);
+    form->widget = widget;
+    form->widget_size = widget_size;
+
+}
+int eve_form_touch(EVECanvas *c, uint8_t tag0, int touch_idx) {
+    EVEForm *form = (EVEForm *)c;
+    EVEWidget *widget = form->widget;
+    int a, i, ret = 0;
+    EVEPageFocus focus = { NULL, {0,0,0,0}};
+
+    for (i=0; i<form->widget_size; i++) {
+        a = widget->touch(widget, &form->p, tag0, touch_idx, &focus);
+        ret = ret || a;
+        if (focus.w && (form->widget_f != focus.w)) {
+            EVEKbd *kbd = eve_screen_get_kbd(form->p.tile->screen);
+
+            if (kbd) {
+                if (form->widget_f && form->widget_f->putc) {
+                    eve_screen_hide_kbd(form->p.tile->screen);
+                    form->widget_f->putc(form->widget_f, CH_EOF);
+                }
+                eve_kbd_set_handler(kbd, widget->putc);
+                if (widget && widget->putc) {
+                    eve_screen_show_kbd(form->p.tile->screen);
+                }
+            }
+            form->widget_f = widget;
+        }
+        widget = eve_widget_next(widget);
+    }
+
+    eve_page_focus(&form->p, &focus);
+    return ret;
+}
+
+uint8_t eve_form_draw(EVECanvas *c, uint8_t tag0) {
+    EVEForm *form = (EVEForm *)c;
+    EVEWidget *widget = form->widget;
+    int i, j;
+    uint8_t tagN, _tagN = 0;
+
+    for (i=0; i<form->widget_size; i++) {
+        tagN = widget->draw(widget, &form->p, tag0);
+        if (tagN) {
+            for (j=tag0; j<=tagN; j++) {
+                eve_touch_set_opt(j, eve_touch_get_opt(j) | EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_INERT);
+            }
+            if (tagN < 0xfe) {
+                tag0 = tagN + 1;
+            } else {
+                tag0 = 0;
+            }
+            _tagN = tagN;
+        }
+        widget = eve_widget_next(widget);
+    }
+
+    return _tagN;
+}
+
-- 
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