From 0a11eb9d378d66387dca3178e1bd2c62e61174bd Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sun, 28 Feb 2021 21:51:55 +0100
Subject: added app form

---
 fw/fe310/eos/app/app_form.c | 99 +++++++++++++++++++++++++++++++++++++++++++++
 fw/fe310/eos/app/app_form.h |  7 ++++
 2 files changed, 106 insertions(+)
 create mode 100644 fw/fe310/eos/app/app_form.c
 create mode 100644 fw/fe310/eos/app/app_form.h

diff --git a/fw/fe310/eos/app/app_form.c b/fw/fe310/eos/app/app_form.c
new file mode 100644
index 0000000..ffb416b
--- /dev/null
+++ b/fw/fe310/eos/app/app_form.c
@@ -0,0 +1,99 @@
+#include <stdlib.h>
+
+#include "unicode.h"
+
+#include "eve/eve.h"
+#include "eve/eve_kbd.h"
+#include "eve/eve_font.h"
+
+#include "eve/screen/screen.h"
+#include "eve/screen/window.h"
+#include "eve/screen/view.h"
+#include "eve/screen/page.h"
+#include "eve/screen/form.h"
+
+#include "eve/widget/widgets.h"
+
+#include "app_screen.h"
+#include "app_form.h"
+
+static EVEFont font;
+
+static void widgets_destroy(EVEWidget *widget, uint16_t widget_size) {
+    int i;
+
+    for (i=0; i<widget_size; i++) {
+        if (widget->label) eve_free(widget->label);
+        eve_widget_destroy(widget);
+        widget = eve_widget_next(widget);
+    }
+}
+
+EVEForm *app_form_create(EVEWindow *window, EVEViewStack *stack, EVEWidgetSpec spec[], uint16_t spec_size, eve_form_action_t action, eve_form_destructor_t destructor) {
+    EVEWidget *widgets;
+    EVEWidget *widget;
+    EVELabel *label;
+    EVEForm *form;
+    EVEFont *_font;
+    int w_size = 0;
+    int i, r;
+
+    for (i=0; i<spec_size; i++) {
+        w_size += eve_widget_size(spec[i].widget.type);
+    }
+    form = eve_malloc(sizeof(EVEForm));
+    if (form == NULL) {
+        return NULL;
+    }
+
+    widgets = eve_malloc(w_size);
+    if (widgets == NULL) {
+        eve_free(form);
+        return NULL;
+    }
+
+    widget = widgets;
+    for (i=0; i<spec_size; i++) {
+        _font = spec[i].widget.font ? spec[i].widget.font : &font;
+        r = eve_widget_create(widget, spec[i].widget.type, &spec[i].widget.g, _font, &spec[i].widget.spec);
+        if (r) {
+            widgets_destroy(widgets, i);
+            eve_free(widgets);
+            eve_free(form);
+            return NULL;
+        }
+        if (spec[i].label.title) {
+            _font = spec[i].label.font ? spec[i].label.font : &font;
+            label = eve_malloc(sizeof(EVELabel));
+            if (label == NULL) {
+                eve_widget_destroy(widget);
+                widgets_destroy(widgets, i);
+                eve_free(widgets);
+                eve_free(form);
+                return NULL;
+            }
+            eve_label_init(label, &spec[i].label.g, _font, spec[i].label.title);
+            eve_widget_set_label(widget, label);
+        }
+        if (widget->label && (widget->label->g.w == 0)) eve_font_str_w(label->font, label->title) + APP_LABEL_MARGIN;
+        if (widget->g.w == 0) widget->g.w = APP_SCREEN_W - (widget->label ? widget->label->g.w : 0);
+        widget = eve_widget_next(widget);
+    }
+
+    if (destructor == NULL) destructor = app_form_destroy;
+    eve_form_init(form, window, stack, widgets, spec_size, action, destructor);
+
+    return form;
+}
+
+void app_form_destroy(EVEForm *form) {
+    widgets_destroy(form->widget, form->widget_size);
+    eve_free(form->widget);
+    eve_free(form);
+}
+
+void app_form_init(void) {
+    eve_spi_start();
+    eve_font_init(&font, APP_FONT_HANDLE);
+    eve_spi_stop();
+}
diff --git a/fw/fe310/eos/app/app_form.h b/fw/fe310/eos/app/app_form.h
new file mode 100644
index 0000000..ed62253
--- /dev/null
+++ b/fw/fe310/eos/app/app_form.h
@@ -0,0 +1,7 @@
+#include <stdint.h>
+
+#define APP_FONT_HANDLE     31
+#define APP_LABEL_MARGIN    10
+
+EVEForm *app_form_create(EVEWindow *window, EVEViewStack *stack, EVEWidgetSpec spec[], uint16_t spec_size, eve_form_action_t action, eve_form_destructor_t destructor);
+void app_form_destroy(EVEForm *form);
-- 
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