window hierarchy

11 files changed, 307 insertions, 241 deletions

diff --git a/fw/fe310/eos/eve/screen/Makefile b/fw/fe310/eos/eve/screen/Makefile
index fc21670..cc4a81d 100644
--- a/fw/fe310/eos/eve/screen/Makefile
+++ b/fw/fe310/eos/eve/screen/Makefile
@@ -2,7 +2,7 @@ include ../../../common.mk
 
 CFLAGS += -I.. -I../..
 
-obj = screen.o window.o view.o page.o form.o
+obj = window.o view.o page.o form.o
 
 
 %.o: %.c %.h
diff --git a/fw/fe310/eos/eve/screen/form.c b/fw/fe310/eos/eve/screen/form.c
index 5d71d80..d3707fc 100644
--- a/fw/fe310/eos/eve/screen/form.c
+++ b/fw/fe310/eos/eve/screen/form.c
@@ -7,9 +7,7 @@
 #include "eve_kbd.h"
 #include "eve_font.h"
 
-#include "screen.h"
 #include "window.h"
-#include "view.h"
 #include "page.h"
 #include "form.h"
 
@@ -24,30 +22,30 @@ static void form_update_g(EVEForm *form, EVEWidget *_widget) {
     int i;
     uint16_t w = 0;
     uint16_t h = 0;
-    uint16_t _h = 0;
+    uint16_t l_h = 0;
 
     for (i=0; i<form->widget_size; i++) {
         if (widget->label) {
-            h += _h;
+            h += l_h;
             w = widget->label->g.w;
-            _h = widget->label->g.h;
+            l_h = widget->label->g.h;
             widget->label->g.x = 0;
             widget->label->g.y = h;
         }
         if (w + widget->g.w > form->p.v.window->g.w) {
-            h += _h;
+            h += l_h;
             w = 0;
-            _h = 0;
+            l_h = 0;
         }
         widget->g.x = w;
         widget->g.y = h;
-        form->h = widget->g.y + widget->g.h;
 
         w += widget->g.w;
-        _h = MAX(_h, widget->g.h);
+        l_h = MAX(l_h, widget->g.h);
 
         widget = eve_widget_next(widget);
     }
+    form->h = h + l_h;
 }
 
 static int form_handle_evt(EVEForm *form, EVEWidget *widget, EVETouch *touch, uint16_t evt, uint8_t tag0) {
@@ -67,15 +65,20 @@ static int form_handle_evt(EVEForm *form, EVEWidget *widget, EVETouch *touch, ui
     /* Scroll stop */
     if (((evt & EVE_TOUCH_ETYPE_TRACK_STOP) && !(evt & EVE_TOUCH_ETYPE_TRACK_ABORT)) ||
         ((evt & EVE_TOUCH_ETYPE_POINT_UP) && (touch->eevt & EVE_TOUCH_EETYPE_ABORT) && !(touch->eevt & EVE_TOUCH_EETYPE_TRACK_XY))) {
-        int wmax_y;
+        int wmax_x, wmax_y;
+        int lho_x, lho_y;
         EVERect vg;
 
         eve_window_visible_g(page->v.window, &vg);
+        wmax_x = form->w > vg.w ? form->w - vg.w : 0;
         wmax_y = form->h > vg.h ? form->h - vg.h : 0;
-        if ((page->win_y < 0) || (page->win_y > wmax_y)) {
+        lho_x = page->win_x < 0 ? 0 : wmax_x;
+        lho_y = page->win_y < 0 ? 0 : wmax_y;
+        if ((page->win_x < 0) || (page->win_x > wmax_x) ||
+            (page->win_y < 0) || (page->win_y > wmax_y)) {
             EVEPhyLHO *lho = &form->lho;
-            eve_phy_lho_init(lho, 0, page->win_y < 0 ? 0 : wmax_y, 1000, 0.5, 0);
-            eve_phy_lho_start(lho, 0, page->win_y);
+            eve_phy_lho_init(lho, lho_x, lho_y, 1000, 0.5, 0);
+            eve_phy_lho_start(lho, page->win_x, page->win_y);
             form->lho_t0 = eve_time_get_tick();
             eve_touch_timer_start(tag0, 20);
         } else {
@@ -120,7 +123,7 @@ static int form_handle_evt(EVEForm *form, EVEWidget *widget, EVETouch *touch, ui
 
 int eve_form_init(EVEForm *form, EVEWindow *window, EVEViewStack *stack, EVEWidget *widget, uint16_t widget_size, eve_form_action_t action, eve_form_destructor_t destructor) {
     memset(form, 0, sizeof(EVEForm));
-    eve_page_init(&form->p, window, stack, eve_form_touch, eve_form_draw, (eve_page_destructor_t)destructor);
+    eve_page_init(&form->p, window, stack, eve_form_draw, eve_form_touch, (eve_page_destructor_t)destructor);
 
     form->widget = widget;
     form->widget_size = widget_size;
@@ -128,36 +131,6 @@ int eve_form_init(EVEForm *form, EVEWindow *window, EVEViewStack *stack, EVEWidg
     form_update_g(form, NULL);
 }
 
-int eve_form_touch(EVEView *view, EVETouch *touch, uint16_t evt, uint8_t tag0) {
-    EVEForm *form = (EVEForm *)view;
-    EVEWidget *widget = form->widget;
-    int8_t touch_idx = eve_touch_get_idx(touch);
-    uint16_t _evt;
-    int i, ret;
-
-    if (touch_idx > 0) return 0;
-
-    _evt = eve_touch_evt(touch, evt, tag0, form->p.v.window->tag, 1);
-    if (_evt) {
-        ret = form_handle_evt(form, NULL, touch, _evt, tag0);
-        if (ret) return 1;
-    }
-    for (i=0; i<form->widget_size; i++) {
-        _evt = eve_touch_evt(touch, evt, tag0, widget->tag0, widget->tagN - widget->tag0);
-        if (_evt) {
-            if (!form->evt_lock) {
-                ret = widget->touch(widget, &form->p, touch, _evt);
-                if (ret) return 1;
-            }
-            ret = form_handle_evt(form, widget, touch, _evt, tag0);
-            if (ret) return 1;
-        }
-        widget = eve_widget_next(widget);
-    }
-
-    return 0;
-}
-
 uint8_t eve_form_draw(EVEView *view, uint8_t tag0) {
     EVEForm *form = (EVEForm *)view;
     EVEWidget *widget = form->widget;
@@ -165,6 +138,8 @@ uint8_t eve_form_draw(EVEView *view, uint8_t tag0) {
     uint8_t tagN = tag0;
     uint8_t tag_opt = EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_TRACK_EXT_Y;
 
+    tagN = eve_view_clear(view, tagN);
+
     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));
@@ -188,11 +163,41 @@ uint8_t eve_form_draw(EVEView *view, uint8_t tag0) {
     for (i=tag0; i<tagN; i++) {
         eve_touch_set_opt(i, eve_touch_get_opt(i) | tag_opt);
     }
-    if (view->window->tag != EVE_TAG_NOTAG) eve_touch_set_opt(view->window->tag, eve_touch_get_opt(view->window->tag) | tag_opt);
+    if (view->tag != EVE_TAG_NOTAG) eve_touch_set_opt(view->tag, eve_touch_get_opt(view->tag) | tag_opt);
 
     return tagN;
 }
 
+int eve_form_touch(EVEView *view, EVETouch *touch, uint16_t evt, uint8_t tag0) {
+    EVEForm *form = (EVEForm *)view;
+    EVEWidget *widget = form->widget;
+    int8_t touch_idx = eve_touch_get_idx(touch);
+    uint16_t _evt;
+    int i, ret;
+
+    if (touch_idx > 0) return 0;
+
+    _evt = eve_touch_evt(touch, evt, tag0, form->p.v.tag, 1);
+    if (_evt) {
+        ret = form_handle_evt(form, NULL, touch, _evt, tag0);
+        if (ret) return 1;
+    }
+    for (i=0; i<form->widget_size; i++) {
+        _evt = eve_touch_evt(touch, evt, tag0, widget->tag0, widget->tagN - widget->tag0);
+        if (_evt) {
+            if (!form->evt_lock) {
+                ret = widget->touch(widget, &form->p, touch, _evt);
+                if (ret) return 1;
+            }
+            ret = form_handle_evt(form, widget, touch, _evt, tag0);
+            if (ret) return 1;
+        }
+        widget = eve_widget_next(widget);
+    }
+
+    return 0;
+}
+
 EVEWidget *eve_form_widget(EVEForm *form, uint16_t idx) {
     EVEWidget *w = form->widget;
     int i;
diff --git a/fw/fe310/eos/eve/screen/form.h b/fw/fe310/eos/eve/screen/form.h
index 51b56b0..96c5930 100644
--- a/fw/fe310/eos/eve/screen/form.h
+++ b/fw/fe310/eos/eve/screen/form.h
@@ -13,6 +13,7 @@ typedef struct EVEForm {
     eve_form_action_t action;
     int win_x0;
     int win_y0;
+    uint16_t w;
     uint16_t h;
     uint8_t evt_lock;
     EVEPhyLHO lho;
diff --git a/fw/fe310/eos/eve/screen/page.c b/fw/fe310/eos/eve/screen/page.c
index 51e2637..0951b1b 100644
--- a/fw/fe310/eos/eve/screen/page.c
+++ b/fw/fe310/eos/eve/screen/page.c
@@ -7,9 +7,7 @@
 #include "eve_kbd.h"
 #include "eve_font.h"
 
-#include "screen.h"
 #include "window.h"
-#include "view.h"
 #include "page.h"
 
 #include "widget/label.h"
@@ -17,9 +15,9 @@
 
 #define CH_EOF              0x1a
 
-void eve_page_init(EVEPage *page, EVEWindow *window, EVEViewStack *stack, eve_view_touch_t touch, eve_view_draw_t draw, eve_page_destructor_t destructor) {
+void eve_page_init(EVEPage *page, EVEWindow *window, EVEViewStack *stack, eve_view_draw_t draw, eve_view_touch_t touch, eve_page_destructor_t destructor) {
     memset(page, 0, sizeof(EVEPage));
-    eve_view_init(&page->v, window, touch, draw, NULL);
+    eve_view_init(&page->v, window, draw, touch, NULL);
     page->destructor = destructor;
     page->stack = stack;
     page->widget_f = NULL;
@@ -36,13 +34,12 @@ void eve_page_open(EVEPage *parent, eve_view_constructor_t constructor) {
 
 void eve_page_close(EVEPage *page) {
     EVEWindow *window = page->v.window;
-    EVEScreen *screen = window->screen;
     EVEViewStack *stack = page->stack;
     eve_page_destructor_t destructor = page->destructor;
 
     if (stack->level > 1) {
         if (destructor) destructor(page);
-        eve_screen_hide_kbd(screen);
+        eve_window_kbd_detach(window);
         eve_view_destroy(window, stack);
     }
 }
@@ -65,18 +62,20 @@ int16_t eve_page_scr_y(EVEPage *page, int16_t y) {
 
 void eve_page_set_focus(EVEPage *page, EVEWidget *widget, EVERect *f) {
     if (page->widget_f != widget) {
-        EVEScreen *screen = page->v.window->screen;
+        EVEWindow *window = page->v.window;
         EVEWidget *widget_f = page->widget_f;
 
         if (widget_f && widget_f->putc) {
-            eve_screen_hide_kbd(screen);
+            eve_window_kbd_detach(window);
             widget_f->putc(page, CH_EOF);
         }
         if (widget && widget->putc) {
-            EVEKbd *kbd = eve_screen_get_kbd(screen);
+            EVEKbd *kbd = eve_window_kbd(window);
 
-            if (kbd) eve_kbd_set_handler(kbd, widget->putc, page);
-            eve_screen_show_kbd(screen);
+            if (kbd) {
+                eve_kbd_set_handler(kbd, widget->putc, page);
+                eve_window_kbd_attach(window);
+            }
         }
         page->widget_f = widget;
     }
diff --git a/fw/fe310/eos/eve/screen/page.h b/fw/fe310/eos/eve/screen/page.h
index c198d94..cf6b8be 100644
--- a/fw/fe310/eos/eve/screen/page.h
+++ b/fw/fe310/eos/eve/screen/page.h
@@ -14,7 +14,7 @@ typedef struct EVEPage {
     struct EVEWidget *widget_f;
 } EVEPage;
 
-void eve_page_init(EVEPage *page, EVEWindow *window, EVEViewStack *stack, eve_view_touch_t touch, eve_view_draw_t draw, eve_page_destructor_t destructor);
+void eve_page_init(EVEPage *page, EVEWindow *window, EVEViewStack *stack, eve_view_draw_t draw, eve_view_touch_t touch, eve_page_destructor_t destructor);
 void eve_page_open(EVEPage *parent, eve_view_constructor_t constructor);
 void eve_page_close(EVEPage *page);
 
diff --git a/fw/fe310/eos/eve/screen/screen.c b/fw/fe310/eos/eve/screen/screen.c
deleted file mode 100644
index 25a1a76..0000000
--- a/fw/fe310/eos/eve/screen/screen.c
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-
-#include "eve.h"
-#include "eve_kbd.h"
-
-#include "screen.h"
-#include "window.h"
-#include "view.h"
-
-int eve_screen_init(EVEScreen *screen, uint16_t w, uint16_t h) {
-    memset(screen, 0, sizeof(EVEScreen));
-    screen->w = w;
-    screen->h = h;
-    screen->mem_next = EVE_RAM_G;
-    eve_touch_set_handler(eve_screen_handle_touch, screen);
-}
-
-void eve_screen_set_kbd(EVEScreen *screen, EVEKbd *kbd) {
-    screen->kbd = kbd;
-}
-
-EVEKbd *eve_screen_get_kbd(EVEScreen *screen) {
-    return screen->kbd;
-}
-
-void eve_screen_show_kbd(EVEScreen *screen) {
-    EVEWindow *win = screen->win_tail;
-    EVEKbd *kbd = eve_screen_get_kbd(screen);
-
-    if (win && kbd) win->g.y = screen->h - kbd->g.h;
-}
-
-void eve_screen_hide_kbd(EVEScreen *screen) {
-    EVEWindow *win = screen->win_tail;
-    EVEKbd *kbd = eve_screen_get_kbd(screen);
-
-    if (win && kbd) {
-        win->g.y = screen->h;
-        eve_kbd_close(kbd);
-    }
-}
-
-void eve_screen_draw(EVEScreen *screen) {
-    EVEWindow *win;
-    uint8_t tagN = 0x80;
-
-    eve_cmd_burst_start();
-	eve_cmd_dl(CMD_DLSTART);
-
-    win = screen->win_head;
-    while (win) {
-        if (eve_window_visible(win)) {
-            int16_t x = win->g.x;
-            int16_t y = win->g.y;
-            uint16_t w = win->g.w;
-            uint16_t h = win->g.h;
-
-            if (x < 0) {
-                w += x;
-                x = 0;
-            }
-            if (y < 0) {
-                h += y;
-                y = 0;
-            }
-            if (x + w > screen->w) w = screen->w - x;
-            if (y + h > screen->h) h = screen->h - y;
-            win->tag = tagN;
-
-            if (tagN != EVE_TAG_NOTAG) {
-                eve_cmd_dl(CLEAR_TAG(tagN));
-                tagN++;
-            }
-            eve_cmd_dl(CLEAR_COLOR_RGBC(win->color_bg));
-            eve_cmd_dl(SCISSOR_XY(x, y));
-            eve_cmd_dl(SCISSOR_SIZE(w, h));
-            eve_cmd_dl(CLEAR(1,1,1));
-            eve_cmd_dl(COLOR_RGBC(win->color_fg));
-            tagN = win->view->draw(win->view, tagN);
-        }
-        win = win->next;
-    }
-
-    eve_cmd_dl(DISPLAY());
-	eve_cmd_dl(CMD_SWAP);
-    eve_cmd_burst_end();
-    eve_cmd_exec(1);
-}
-
-void eve_screen_handle_touch(EVETouch *touch, uint16_t evt, uint8_t tag0, void *s) {
-    EVEScreen *screen = s;
-    EVEWindow *win;
-    int h = 0;
-
-    win = screen->win_tail;
-    while (win) {
-        if (eve_window_visible(win)) {
-            h = win->view->touch(win->view, touch, evt, tag0);
-            if (h) break;
-        }
-        win = win->prev;
-    }
-
-    if (h) {
-        eve_touch_clear_opt();
-        eve_screen_draw(screen);
-    }
-}
diff --git a/fw/fe310/eos/eve/screen/screen.h b/fw/fe310/eos/eve/screen/screen.h
deleted file mode 100644
index 2f3f3ac..0000000
--- a/fw/fe310/eos/eve/screen/screen.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <stdint.h>
-
-struct EVEWindow;
-
-typedef struct EVEScreen {
-    uint16_t w;
-    uint16_t h;
-    uint32_t mem_next;
-    struct EVEWindow *win_head;
-    struct EVEWindow *win_tail;
-    EVEKbd *kbd;
-} EVEScreen;
-
-int eve_screen_init(EVEScreen *screen, uint16_t w, uint16_t h);
-void eve_screen_set_kbd(EVEScreen *screen, EVEKbd *kbd);
-EVEKbd *eve_screen_get_kbd(EVEScreen *screen);
-void eve_screen_show_kbd(EVEScreen *screen);
-void eve_screen_hide_kbd(EVEScreen *screen);
-
-void eve_screen_draw(EVEScreen *screen);
-void eve_screen_handle_touch(EVETouch *touch, uint16_t evt, uint8_t tag0, void *s);
diff --git a/fw/fe310/eos/eve/screen/view.c b/fw/fe310/eos/eve/screen/view.c
index 30229e5..ce4101f 100644
--- a/fw/fe310/eos/eve/screen/view.c
+++ b/fw/fe310/eos/eve/screen/view.c
@@ -4,18 +4,38 @@
 #include "eve.h"
 #include "eve_kbd.h"
 
-#include "screen.h"
 #include "window.h"
-#include "view.h"
 
-void eve_view_init(EVEView *view, EVEWindow *window, eve_view_touch_t touch, eve_view_draw_t draw, void *param) {
+void eve_view_init(EVEView *view, EVEWindow *window, eve_view_draw_t draw, eve_view_touch_t touch, void *param) {
     view->touch = touch;
     view->draw = draw;
     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) {
+    eve_cmd_dl(CLEAR_COLOR_RGBC(view->color_bg));
+    eve_cmd_dl(COLOR_RGBC(view->color_fg));
+    view->tag = tag0;
+    if (tag0 != EVE_TAG_NOTAG) {
+        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));
 }
diff --git a/fw/fe310/eos/eve/screen/view.h b/fw/fe310/eos/eve/screen/view.h
index 6164a88..f0e2eb0 100644
--- a/fw/fe310/eos/eve/screen/view.h
+++ b/fw/fe310/eos/eve/screen/view.h
@@ -4,16 +4,20 @@
 
 struct EVEView;
 struct EVEViewStack;
+struct EVEWindow;
 
-typedef int (*eve_view_touch_t) (struct EVEView *, EVETouch *, uint16_t, uint8_t);
 typedef uint8_t (*eve_view_draw_t) (struct EVEView *, uint8_t);
-typedef void (*eve_view_constructor_t) (EVEWindow *window, struct EVEViewStack *);
+typedef int (*eve_view_touch_t) (struct EVEView *, EVETouch *, uint16_t, uint8_t);
+typedef void (*eve_view_constructor_t) (struct EVEWindow *window, struct EVEViewStack *);
 
 typedef struct EVEView {
-    eve_view_touch_t touch;
     eve_view_draw_t draw;
-    EVEWindow *window;
+    eve_view_touch_t touch;
+    struct EVEWindow *window;
     void *param;
+    uint32_t color_bg;
+    uint32_t color_fg;
+    uint8_t tag;
 } EVEView;
 
 typedef struct EVEViewStack {
@@ -21,7 +25,11 @@ typedef struct EVEViewStack {
     uint8_t level;
 } EVEViewStack;
 
-void eve_view_init(EVEView *view, EVEWindow *window, eve_view_touch_t touch, eve_view_draw_t draw, void *param);
+void eve_view_init(EVEView *view, struct EVEWindow *window, eve_view_draw_t draw, eve_view_touch_t touch, void *param);
+void eve_view_set_color_bg(EVEView *view, uint8_t r, uint8_t g, uint8_t b);
+void eve_view_set_color_fg(EVEView *view, uint8_t r, uint8_t g, uint8_t b);
+uint8_t eve_view_clear(EVEView *view, uint8_t tag0);
+
 void eve_view_stack_init(EVEViewStack *stack);
-void eve_view_create(EVEWindow *window, EVEViewStack *stack, eve_view_constructor_t constructor);
-void eve_view_destroy(EVEWindow *window, EVEViewStack *stack);
\ No newline at end of file
+void eve_view_create(struct EVEWindow *window, EVEViewStack *stack, eve_view_constructor_t constructor);
+void eve_view_destroy(struct EVEWindow *window, EVEViewStack *stack);
\ No newline at end of file
diff --git a/fw/fe310/eos/eve/screen/window.c b/fw/fe310/eos/eve/screen/window.c
index bfa53d1..369c134 100644
--- a/fw/fe310/eos/eve/screen/window.c
+++ b/fw/fe310/eos/eve/screen/window.c
@@ -4,40 +4,68 @@
 #include "eve.h"
 #include "eve_kbd.h"
 
-#include "screen.h"
 #include "window.h"
 
 #define MIN(X, Y)           (((X) < (Y)) ? (X) : (Y))
 
-void eve_window_init(EVEWindow *window, EVERect *g, EVEScreen *screen, char *name) {
+void eve_window_init(EVEWindow *window, EVERect *g, EVEWindow *parent, char *name) {
     memset(window, 0, sizeof(EVEWindow));
 
     if (g) window->g = *g;
-    window->screen = screen;
+    window->root = parent ? parent->root : NULL;
+    window->parent = parent;
     window->name = name;
-    window->color_fg = 0xffffff;
 }
 
-void eve_window_set_color_bg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) {
-    window->color_bg = (r << 16) | (g << 8) | b;
+void eve_window_init_root(EVEWindowRoot *window, EVERect *g, char *name) {
+    EVEWindow *_window = &window->w;
+
+    eve_window_init(_window, g, NULL, name);
+    _window->root = _window;
+    window->mem_next = EVE_RAM_G;
+    window->win_kbd = NULL;
+    eve_touch_set_handler(eve_window_root_touch, window);
+}
+
+static uint8_t kbd_draw(EVEView *view, uint8_t tag0) {
+    EVEKbd *kbd = view->param;
+
+    tag0 = eve_view_clear(view, tag0);
+
+    eve_kbd_draw(kbd);
+    return tag0;
+}
+
+static int kbd_touch(EVEView *view, EVETouch *touch, uint16_t evt, uint8_t tag0) {
+    EVEKbd *kbd = view->param;
+
+    return eve_kbd_touch(kbd, touch, evt, tag0);
+}
+
+void eve_window_init_kbd(EVEWindowKbd *window, EVERect *g, EVEWindowRoot *root, char *name, EVEKbd *kbd) {
+    EVEWindow *_window = &window->w;
+
+    eve_window_init(_window, g, NULL, name);
+    _window->root = (EVEWindow *)root;
+    window->kbd = kbd;
+    root->win_kbd = window;
+    eve_view_init(&window->v, _window, kbd_draw, kbd_touch, kbd);
 }
 
-void eve_window_set_color_fg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) {
-    window->color_fg = (r << 16) | (g << 8) | b;
+void eve_window_set_parent(EVEWindow *window, EVEWindow *parent) {
+    window->parent = parent;
+    window->root = parent->root;
 }
 
 int eve_window_visible(EVEWindow *window) {
-    if (window->g.x >= window->screen->w) return 0;
-    if (window->g.y >= window->screen->h) return 0;
+    if (window->g.x >= window->root->g.w) return 0;
+    if (window->g.y >= window->root->g.h) return 0;
     if ((window->g.x + window->g.w) <= 0) return 0;
     if ((window->g.y + window->g.h) <= 0) return 0;
     return 1;
 }
 
-void eve_window_visible_g(EVEWindow *window, EVERect *g) {
-    EVEWindow *w = window->next;
-
-    *g = window->g;
+static void _window_visible_g(EVEWindow *w, EVERect *g) {
     while (w) {
         if (eve_window_visible(w)) {
             if (w->g.x > g->x) g->w = MIN(g->w, w->g.x - g->x);
@@ -53,24 +81,32 @@ void eve_window_visible_g(EVEWindow *window, EVERect *g) {
                 g->h -= y0;
             }
         }
+        if (w->child_head) _window_visible_g(w->child_head, g);
         w = w->next;
     }
 }
 
+void eve_window_visible_g(EVEWindow *window, EVERect *g) {
+    *g = window->g;
+    if (window->child_head) _window_visible_g(window->child_head, g);
+    _window_visible_g(window->next, g);
+}
+
 void eve_window_append(EVEWindow *window) {
-    EVEScreen *screen = window->screen;
+    EVEWindow *parent = window->parent;
 
-    window->prev = screen->win_tail;
-    if (screen->win_tail) {
-        screen->win_tail->next = window;
+    window->prev = parent->child_tail;
+    window->next = NULL;
+    if (parent->child_tail) {
+        parent->child_tail->next = window;
     } else {
-        screen->win_head = window;
+        parent->child_head = window;
     }
-    screen->win_tail = window;
+    parent->child_tail = window;
 }
 
 void eve_window_insert_above(EVEWindow *window, EVEWindow *win_prev) {
-    EVEScreen *screen = window->screen;
+    EVEWindow *parent = window->parent;
 
     window->prev = win_prev;
     window->next = win_prev->next;
@@ -78,13 +114,13 @@ void eve_window_insert_above(EVEWindow *window, EVEWindow *win_prev) {
     if (window->next) {
         window->next->prev = window;
     } else {
-        screen->win_tail = window;
+        parent->child_tail = window;
     }
     win_prev->next = window;
 }
 
 void eve_window_insert_below(EVEWindow *window, EVEWindow *win_next) {
-    EVEScreen *screen = window->screen;
+    EVEWindow *parent = window->parent;
 
     window->prev = win_next->prev;
     window->next = win_next;
@@ -93,32 +129,138 @@ void eve_window_insert_below(EVEWindow *window, EVEWindow *win_next) {
     if (window->prev) {
         window->prev->next = window;
     } else {
-        screen->win_head = window;
+        parent->child_head = window;
     }
 }
 
 void eve_window_remove(EVEWindow *window) {
-    EVEScreen *screen = window->screen;
+    EVEWindow *parent = window->parent;
 
     if (window->prev) {
         window->prev->next = window->next;
     } else {
-        screen->win_head = window->next;
+        parent->child_head = window->next;
     }
     if (window->next) {
         window->next->prev = window->prev;
     } else {
-        screen->win_tail = window->prev;
+        parent->child_tail = window->prev;
     }
+    window->parent = NULL;
+    window->prev = NULL;
+    window->next = NULL;
 }
 
-EVEWindow *eve_window_get(EVEScreen *screen, char *name) {
-    EVEWindow *w = screen->win_head;
+EVEWindow *eve_window_search(EVEWindow *window, char *name) {
+    while (window) {
+        if (window->name && (strcmp(name, window->name) == 0)) return window;
+        if (window->child_head) {
+            EVEWindow *ret = eve_window_search(window->child_head, name);
+            if (ret) return ret;
+        }
+        window = window->next;
+    }
 
-    while (w) {
-        if (strcmp(name, w->name) == 0) return w;
-        w = w->next;
+    return NULL;
+}
+
+uint8_t eve_window_draw(EVEWindow *window, uint8_t tag0) {
+    while (window) {
+        if (eve_window_visible(window) && window->view) {
+            int16_t s_x = window->g.x;
+            int16_t s_y = window->g.y;
+            uint16_t s_w = window->g.w;
+            uint16_t s_h = window->g.h;
+
+            if (s_x < 0) {
+                s_w += s_x;
+                s_x = 0;
+            }
+            if (s_y < 0) {
+                s_h += s_y;
+                s_y = 0;
+            }
+            if (s_x + s_w > window->root->g.w) s_w = window->root->g.w - s_x;
+            if (s_y + s_h > window->root->g.h) s_h = window->root->g.h - s_y;
+            eve_cmd_dl(SCISSOR_XY(s_x, s_y));
+            eve_cmd_dl(SCISSOR_SIZE(s_w, s_h));
+            tag0 = window->view->draw(window->view, tag0);
+        }
+        if (window->child_head) tag0 = eve_window_draw(window->child_head, tag0);
+        window = window->next;
+    }
+
+    return tag0;
+}
+
+int eve_window_touch(EVEWindow *window, EVETouch *touch, uint16_t evt, uint8_t tag0) {
+    int ret = 0;
+
+    while (window) {
+        if (window->child_tail) {
+            ret = eve_window_touch(window->child_tail, touch, evt, tag0);
+            if (ret) return 1;
+        }
+        if (eve_window_visible(window) && window->view) {
+            ret = window->view->touch(window->view, touch, evt, tag0);
+            if (ret) return 1;
+        }
+        window = window->prev;
+    }
+
+    return 0;
+}
+
+void eve_window_root_draw(EVEWindow *window) {
+    uint8_t tag0 = 0x80;
+
+    eve_cmd_burst_start();
+	eve_cmd_dl(CMD_DLSTART);
+
+    eve_window_draw(window, tag0);
+
+    eve_cmd_dl(DISPLAY());
+	eve_cmd_dl(CMD_SWAP);
+    eve_cmd_burst_end();
+    eve_cmd_exec(1);
+}
+
+void eve_window_root_touch(EVETouch *touch, uint16_t evt, uint8_t tag0, void *win) {
+    EVEWindow *window = (EVEWindow *)win;
+    int ret = eve_window_touch(window, touch, evt, tag0);
+
+    if (ret) {
+        eve_touch_clear_opt();
+        eve_window_root_draw(window);
     }
+}
+
+EVEKbd *eve_window_kbd(EVEWindow *window) {
+    EVEWindowRoot *win_root = (EVEWindowRoot *)window->root;
+    EVEWindowKbd *win_kbd = win_root->win_kbd;
 
+    if (win_kbd) return win_kbd->kbd;
     return NULL;
 }
+
+void eve_window_kbd_attach(EVEWindow *window) {
+    EVEWindowRoot *win_root = (EVEWindowRoot *)window->root;
+    EVEWindowKbd *win_kbd = win_root->win_kbd;
+    EVEKbd *kbd = win_kbd ? win_kbd->kbd : NULL;
+
+    if (kbd) {
+        eve_window_set_parent(&win_kbd->w, window);
+        eve_window_append(&win_kbd->w);
+    }
+}
+
+void eve_window_kbd_detach(EVEWindow *window) {
+    EVEWindowRoot *win_root = (EVEWindowRoot *)window->root;
+    EVEWindowKbd *win_kbd = win_root->win_kbd;
+    EVEKbd *kbd = win_kbd ? win_kbd->kbd : NULL;
+
+    if (kbd && win_kbd->w.parent) {
+        eve_window_remove(&win_kbd->w);
+        eve_kbd_close(kbd);
+    }
+}
diff --git a/fw/fe310/eos/eve/screen/window.h b/fw/fe310/eos/eve/screen/window.h
index 89c83eb..3e082d4 100644
--- a/fw/fe310/eos/eve/screen/window.h
+++ b/fw/fe310/eos/eve/screen/window.h
@@ -1,23 +1,35 @@
 #include <stdint.h>
 
-struct EVEView;
-struct EVEWindow;
+#include "view.h"
 
 typedef struct EVEWindow {
     EVERect g;
-    EVEScreen *screen;
     char *name;
-    struct EVEView *view;
+    EVEView *view;
+    struct EVEWindow *root;
+    struct EVEWindow *parent;
     struct EVEWindow *next;
     struct EVEWindow *prev;
-    uint32_t color_bg;
-    uint32_t color_fg;
-    uint8_t tag;
+    struct EVEWindow *child_head;
+    struct EVEWindow *child_tail;
 } EVEWindow;
 
-void eve_window_init(EVEWindow *window, EVERect *g, EVEScreen *screen, char *name);
-void eve_window_set_color_bg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b);
-void eve_window_set_color_fg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b);
+typedef struct EVEWindowKbd {
+    EVEWindow w;
+    EVEView v;
+    EVEKbd *kbd;
+} EVEWindowKbd;
+
+typedef struct EVEWindowRoot {
+    EVEWindow w;
+    uint32_t mem_next;
+    EVEWindowKbd *win_kbd;
+} EVEWindowRoot;
+
+void eve_window_init(EVEWindow *window, EVERect *g, EVEWindow *parent, char *name);
+void eve_window_init_root(EVEWindowRoot *window, EVERect *g, char *name);
+void eve_window_init_kbd(EVEWindowKbd *window, EVERect *g, EVEWindowRoot *root, char *name, EVEKbd *kbd);
+void eve_window_set_parent(EVEWindow *window, EVEWindow *parent);
 
 int eve_window_visible(EVEWindow *window);
 void eve_window_visible_g(EVEWindow *window, EVERect *g);
@@ -26,4 +38,13 @@ void eve_window_append(EVEWindow *window);
 void eve_window_insert_above(EVEWindow *window, EVEWindow *win_prev);
 void eve_window_insert_below(EVEWindow *window, EVEWindow *win_next);
 void eve_window_remove(EVEWindow *window);
-EVEWindow *eve_window_get(EVEScreen *screen, char *name);
+EVEWindow *eve_window_search(EVEWindow *window, char *name);
+
+uint8_t eve_window_draw(EVEWindow *window, uint8_t tag0);
+int eve_window_touch(EVEWindow *window, EVETouch *touch, uint16_t evt, uint8_t tag0);
+void eve_window_root_draw(EVEWindow *window);
+void eve_window_root_touch(EVETouch *touch, uint16_t evt, uint8_t tag0, void *win);
+
+EVEKbd *eve_window_kbd(EVEWindow *window);
+void eve_window_kbd_attach(EVEWindow *window);
+void eve_window_kbd_detach(EVEWindow *window);