1 files changed, 94 insertions, 0 deletions
diff --git a/fw/fe310/eos/eve/screen/view.c b/fw/fe310/eos/eve/screen/view.c
new file mode 100644
index 0000000..ac9aef4
--- /dev/null
+++ b/fw/fe310/eos/eve/screen/view.c
@@ -0,0 +1,94 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "eve.h"
+#include "eve_kbd.h"
+#include "eve_font.h"
+
+#include "window.h"
+
+void eve_view_init(EVEView *view, EVEWindow *window, eve_view_draw_t draw, eve_view_touch_t touch, eve_view_uievt_t uievt, void *param) {
+    view->draw = draw;
+    view->touch = touch;
+    view->uievt = uievt;
+    view->param = param;
+    view->window = window;
+    view->color_bg = 0x000000;
+    view->color_fg = 0xffffff;
+    window->view = view;
+}
+
+void eve_view_set_color_bg(EVEView *view, uint8_t r, uint8_t g, uint8_t b) {
+    view->color_bg = (r << 16) | (g << 8) | b;
+}
+
+void eve_view_set_color_fg(EVEView *view, uint8_t r, uint8_t g, uint8_t b) {
+    view->color_fg = (r << 16) | (g << 8) | b;
+}
+
+uint8_t eve_view_clear(EVEView *view, uint8_t tag0, uint8_t tag_opt) {
+    EVEWindow *win_scroll = NULL;
+    EVEWindow *window = view->window;
+    uint8_t _tag;
+
+    win_scroll = eve_window_scroll(window->root, &_tag);
+    eve_cmd_dl(CLEAR_COLOR_RGBC(view->color_bg));
+    eve_cmd_dl(COLOR_RGBC(view->color_fg));
+    if (win_scroll == window) {
+        view->tag = _tag;
+        eve_touch_set_opt(view->tag, tag_opt);
+        eve_cmd_dl(TAG(view->tag));
+        eve_cmd_dl(CLEAR_TAG(view->tag));
+    } else if (win_scroll) {
+        view->tag = EVE_NOTAG;
+        eve_cmd_dl(TAG(view->tag));
+        eve_cmd_dl(CLEAR_TAG(view->tag));
+    } else {
+        view->tag = tag0;
+        if (tag0 != EVE_NOTAG) {
+            eve_touch_set_opt(tag0, tag_opt);
+            eve_cmd_dl(CLEAR_TAG(tag0));
+            tag0++;
+        }
+    }
+    eve_cmd_dl(CLEAR(1,1,1));
+    return tag0;
+}
+
+void eve_view_stack_init(EVEViewStack *stack) {
+    memset(stack, 0, sizeof(EVEViewStack));
+}
+
+void eve_view_create(EVEWindow *window, EVEViewStack *stack, eve_view_constructor_t constructor) {
+    if (stack->level < EVE_VIEW_SIZE_STACK - 1) {
+        stack->constructor[stack->level] = constructor;
+        stack->level++;
+        constructor(window, stack);
+    }
+}
+
+void eve_view_destroy(EVEWindow *window, EVEViewStack *stack) {
+    if (stack->level > 1) {
+        eve_view_constructor_t constructor;
+
+        stack->level--;
+        constructor = stack->constructor[stack->level - 1];
+        constructor(window, stack);
+    }
+}
+
+void eve_view_uievt_push(EVEView *view, uint16_t evt, void *param) {
+    if (view->uievt) view->uievt(view, evt, param);
+}
+
+int eve_view_uievt_pusht(EVEView *view, uint16_t evt, EVETouch *touch, uint16_t t_evt, uint8_t tag0) {
+    if (view->uievt) {
+        EVEUIEvtTouch param;
+
+        param.touch = touch;
+        param.evt = t_evt;
+        param.tag0 = tag0;
+        view->uievt(view, evt, &param);
+    }
+    return 0;
+}