dynamic memory alloc for gui added; page navigation added

1 files changed, 133 insertions, 0 deletions

diff --git a/fw/fe310/eos/app/root.c b/fw/fe310/eos/app/root.c
new file mode 100644
index 0000000..160316f
--- /dev/null
+++ b/fw/fe310/eos/app/root.c
@@ -0,0 +1,133 @@
+#include <stdlib.h>
+
+#include "net.h"
+#include "unicode.h"
+
+#include "eve/eve.h"
+#include "eve/eve_kbd.h"
+
+#include "eve/screen/screen.h"
+#include "eve/screen/window.h"
+#include "eve/screen/kbdwin.h"
+#include "eve/screen/page.h"
+#include "eve/screen/form.h"
+
+#include "eve/widget/widgets.h"
+
+#include "status.h"
+#include "root.h"
+
+EVEFont _app_font_default;
+extern eve_page_constructor_t _app_home_page;
+
+static EVEScreen screen;
+static EVEWindow win_status;
+static EVEWindow win_main;
+static EVEKbdWin win_kbd;
+static EVEView view_status = {
+    app_status_touch,
+    app_status_draw,
+    NULL
+};
+static EVEPageStack page_stack;
+
+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);
+    }
+}
+
+EVEForm *app_form_create(EVEWindow *window, EVEPageStack *stack, APPWidgetSpec spec[], uint16_t spec_size, eve_page_destructor_t destructor) {
+    EVEWidget *widgets;
+    EVEWidget *widget;
+    EVELabel *label;
+    EVEForm *form;
+    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(form));
+    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++) {
+        r = eve_widget_create(widget, spec[i].widget.type, &spec[i].widget.g, &spec[i].widget.spec);
+        if (r) {
+            widgets_destroy(widgets, i);
+            eve_free(widgets);
+            eve_free(form);
+            return NULL;
+        }
+        if (spec[i].label.title) {
+            label = eve_malloc(sizeof(label));
+            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, spec[i].label.font, spec[i].label.title);
+            eve_widget_set_label(widget, label);
+        }
+        widget = eve_widget_next(widget);
+    }
+
+    if (destructor == NULL) destructor = (eve_page_destructor_t)app_form_destroy;
+    eve_form_init(form, window, stack, widgets, spec_size, 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_root_init(void) {
+    EVERect g;
+
+    eos_spi_dev_start(EOS_DEV_DISP);
+
+    eve_brightness(0x40);
+    eve_font_init(&_app_font_default, APP_FONT_HANDLE);
+    eve_screen_init(&screen, APP_SCREEN_W, APP_SCREEN_H);
+
+    g.x = 0;
+    g.y = 0;
+    g.w = APP_SCREEN_W;
+    g.h = APP_STATUS_H;
+    eve_window_init(&win_status, &g, &view_status, &screen);
+    g.x = 0;
+    g.y = APP_STATUS_H;
+    g.w = APP_SCREEN_W;
+    g.h = APP_SCREEN_H - APP_STATUS_H;
+    eve_window_init(&win_main, &g, NULL, &screen);
+    eve_kbdwin_init(&win_kbd, &screen);
+
+    eve_page_stack_init(&page_stack);
+    eve_page_create(&win_main, &page_stack, _app_home_page);
+
+    eve_window_append(&win_status);
+    eve_window_append(&win_main);
+    eve_kbdwin_append(&win_kbd);
+    eve_screen_draw(&screen);
+
+    eos_spi_dev_stop();
+
+    eos_net_acquire_for_evt(EOS_EVT_UI | EVE_ETYPE_INTR, 1);
+}