1 files changed, 109 insertions, 0 deletions
diff --git a/code/fe310/eos/eve/screen/form.c b/code/fe310/eos/eve/screen/form.c
new file mode 100644
index 0000000..f7d37ee
--- /dev/null
+++ b/code/fe310/eos/eve/screen/form.c
@@ -0,0 +1,109 @@
+#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 "form.h"
+
+#include "widget/label.h"
+#include "widget/widget.h"
+
+int eve_form_init(EVEForm *form, EVEWindow *window, EVEWidget *widget, uint16_t widget_size, eve_page_open_t open, eve_page_close_t close) {
+    memset(form, 0, sizeof(EVEForm));
+    eve_page_init(&form->p, window, eve_form_touch, eve_form_draw, open, close, eve_form_handle_evt, eve_form_update_g);
+    form->widget = widget;
+    form->widget_size = widget_size;
+    eve_form_update_g(&form->p, NULL);
+}
+
+int eve_form_touch(EVEView *v, uint8_t tag0, int touch_idx) {
+    EVEForm *form = (EVEForm *)v;
+    EVEWidget *widget = form->widget;
+    int i, ret = 0;
+
+    if (touch_idx == 0) {
+        EVETouch *t;
+        uint16_t evt;
+
+        t = eve_touch_evt(tag0, touch_idx, form->p.v.window->tag, 1, &evt);
+        if (t && evt) {
+            eve_form_handle_evt(&form->p, NULL, t, evt, tag0, touch_idx);
+            if ((evt & EVE_TOUCH_ETYPE_POINT_UP) && (t->eevt == 0)) eve_page_set_focus(&form->p, NULL, NULL);
+            ret = 1;
+        }
+    }
+    for (i=0; i<form->widget_size; i++) {
+        if (eve_page_rect_visible(&form->p, &widget->g)) {
+            int r = widget->touch(widget, &form->p, tag0, touch_idx);
+            ret = ret || r;
+        }
+        widget = eve_widget_next(widget);
+    }
+
+    return ret;
+}
+
+uint8_t eve_form_draw(EVEView *v, uint8_t tag0) {
+    EVEForm *form = (EVEForm *)v;
+    EVEWidget *widget = form->widget;
+    int i;
+    uint8_t tagN = tag0;
+
+    eve_cmd_dl(SAVE_CONTEXT());
+    eve_cmd_dl(VERTEX_FORMAT(0));
+    eve_cmd_dl(VERTEX_TRANSLATE_X(eve_page_scr_x(&form->p, 0) * 16));
+    eve_cmd_dl(VERTEX_TRANSLATE_Y(eve_page_scr_y(&form->p, 0) * 16));
+
+    for (i=0; i<form->widget_size; i++) {
+        if (widget->label && eve_page_rect_visible(&form->p, &widget->label->g)) {
+            eve_cmd_dl(TAG_MASK(0));
+            eve_label_draw(widget->label);
+            eve_cmd_dl(TAG_MASK(1));
+        }
+        if (eve_page_rect_visible(&form->p, &widget->g)) tagN = widget->draw(widget, &form->p, tagN);
+        widget = eve_widget_next(widget);
+    }
+
+    eve_cmd_dl(RESTORE_CONTEXT());
+
+    for (i=tag0; i<tagN; i++) {
+        eve_touch_set_opt(i, eve_touch_get_opt(i) | EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_TRACK_EXT);
+    }
+    if (v->window->tag != EVE_TAG_NOTAG) eve_touch_set_opt(v->window->tag, eve_touch_get_opt(v->window->tag) | EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_TRACK_EXT);
+
+    return tagN;
+}
+
+void eve_form_handle_evt(EVEPage *page, EVEWidget *widget, EVETouch *touch, uint16_t evt, uint8_t tag0, int touch_idx) {
+    /*
+    if (evt & EVE_TOUCH_ETYPE_TRACK_Y) {
+        // do scroll
+    } else {
+        // go back / forward
+    }
+    */
+}
+
+void eve_form_update_g(EVEPage *page, EVEWidget *_widget) {
+    EVEForm *form = (EVEForm *)page;
+    EVEWidget *widget = form->widget;
+    int i;
+    uint16_t h = 0;
+
+    for (i=0; i<form->widget_size; i++) {
+        if (widget->label) {
+            widget->label->g.y = h;
+            if (widget->label->g.w + widget->g.w > form->p.v.window->g.w) h += widget->label->g.h;
+        }
+        widget->g.y = h;
+        h += widget->g.h;
+
+        widget = eve_widget_next(widget);
+    }
+}