/* test_meow_ui_widgets.c — 宿主验证 §5.8.6 Material 子集纯逻辑（create/hit/state/滚动/选中）+ * 各组件绘制（5x7 字库兜底）dump PPM 目检。不依赖 /dev/fb0/字库（meow_font 打桩）。 * * 编译（宿主 gcc，链真实 gfx/sys/theme/vol/log/widget/input/activity/dialog/ime + 打桩 font/global）： * gcc -o test_meow_ui_widgets test_meow_ui_widgets.c test_host_stub.c \ * meow_ui_gfx.c meow_ui_sys.c meow_ui_theme.c meow_ui_vol.c meow_ui_log.c \ * meow_ui_widget.c meow_ui_input.c meow_ui_activity.c meow_ui_dialog.c meow_ui_ime.c \ * meow_ui_draw.c meow_ui_view.c meow_ui_img.c meow_notify_ipc.c stb_image.c \ * -I. -I../meow_launcherd -DMEOW_UI_HOST_TEST -pthread -lm * 运行：MEOW_UI_DUMP=/tmp/b2.ppm ./test_meow_ui_widgets （可选，dump 屏幕） * * 注：W_LISTVIEW 的 MEOW_LIST_ICON_IMG 分支调用 meow_ui_img_scaled → 宿主链 meow_ui_img.c+stb_image.c+-lm。 * 结构化列表断言用 back_buf 像素（region_has/px_near），画完即读，非目检。 */ #include "meow_ui.h" #include "meow_ui_internal.h" /* meow_ui_back_buf/pitch/bpp：真实像素断言 */ #include "meow_ui_view.h" /* 任务② view 递归 + on_event 路由断言 */ #include #include #include #include /* ---- back_buf 像素读取（断言真实渲染：画完读像素，不依赖目检） ---- */ static void rd_px(int x, int y, int *r, int *g, int *b) { unsigned char *bb = meow_ui_back_buf(); int line = meow_ui_back_buf_pitch(), bpp = meow_ui_back_buf_bpp(); if (!bb || x < 0 || y < 0) { *r = *g = *b = 0; return; } if (bpp == 16) { uint16_t px = *(uint16_t *)(bb + (size_t)y * line + (size_t)x * 2); *r = (((px >> 11) & 0x1F) << 3) | ((px >> 11) & 0x1F) >> 2; *g = (((px >> 5) & 0x3F) << 2) | ((px >> 5) & 0x3F) >> 4; *b = ((px & 0x1F) << 3) | ((px & 0x1F) >> 2); } else { uint32_t px = *(uint32_t *)(bb + (size_t)y * line + (size_t)x * 4); *r = (px >> 16) & 0xFF; *g = (px >> 8) & 0xFF; *b = px & 0xFF; } } static int near2(int a, int b) { int d = a - b; if (d < 0) d = -d; return d <= 14; } static int px_near(int x, int y, int r, int g, int b) { int rr, gg, bb; rd_px(x, y, &rr, &gg, &bb); return near2(rr, r) && near2(gg, g) && near2(bb, b); } /* 区域内含「接近 target 色」的像素数（>0 即该色被真实绘出）。 */ static int region_has(int x, int y, int w, int h, int r, int g, int b) { int cnt = 0; for (int dy = 0; dy < h; dy++) for (int dx = 0; dx < w; dx++) if (px_near(x + dx, y + dy, r, g, b)) cnt++; return cnt; } #define UNPK(c, rr, gg, bb) do { (rr) = ((c) >> 16) & 0xFF; (gg) = ((c) >> 8) & 0xFF; (bb) = (c) & 0xFF; } while (0) /* 结构化列表（W_LISTVIEW）测试数据源 */ typedef struct { const char *title; const char *sub; int ik; int right; int enabled; } lvrow_t; static lvrow_t g_lvrows[4] = { { "Row A", "sub A", MEOW_LIST_ICON_FOLDER, MEOW_LIST_RIGHT_MORE, 1 }, { "Row B", "sub B", MEOW_LIST_ICON_FILE, MEOW_LIST_RIGHT_NONE, 1 }, { "Row C", "sub C", MEOW_LIST_ICON_NONE, MEOW_LIST_RIGHT_ARROW, 0 }, /* 禁用 */ { "Row D", "sub D", MEOW_LIST_ICON_FOLDER, MEOW_LIST_RIGHT_CHECK, 1 }, }; static int lv_src(int idx, meow_list_item *out, void *ctx) { (void)ctx; if (idx < 0 || idx >= 4) return 0; out->icon_kind = g_lvrows[idx].ik; out->title = g_lvrows[idx].title; out->subtitle = g_lvrows[idx].sub; out->right = g_lvrows[idx].right; out->on = 1; out->enabled = g_lvrows[idx].enabled; return 1; } /* 测试数据源（列表容器） */ static int list_src(int idx, char *label, int len, void *ctx) { (void)ctx; if (idx < 0 || idx >= 100) return 0; snprintf(label, (size_t)len, "item %d", idx); return 1; } static meow_widget *g_w[64]; static int g_wn = 0; static meow_widget *W(meow_widget *w) { g_w[g_wn++] = w; return w; } static void free_all(void) { for (int i = 0; i < g_wn; i++) meow_widget_free(g_w[i]); g_wn = 0; } /* §6.3 通用长按测试回调（开闸长按判定用；事件本身经 meow_input_pop 断言）。 */ static void lp_recv(int x, int y) { (void)x; (void)y; } /* ---- 任务① 绘制期 clip：W_CUSTOM 越界绘制被裁掉（render 回调经 flag 切换越界）---- * 控件几何硬编码为 (40,40,80,40)（与下方创建一致）：meow_widget 是对外不透明类型， * 测试经 meow_widget_custom_create(40,40,80,40,...) 建在同址，回调按常量绘制。 */ static int g_custom_oob = 1; /* 1=画越界实心块+越界文本；0=只画控件内 */ static void clip_oob_render(meow_widget *w, const meow_theme *th, void *ctx) { (void)w; (void)th; (void)ctx; meow_ui_fill_rect(45, 45, 20, 20, 0xFF0000); /* 控件 (40,40,80,40) 内：必画红块 */ if (g_custom_oob) { /* 越界（右/下，出控件矩形 [40..120)×[40..80)）：应被 widget clip 裁掉 */ meow_ui_fill_rect(140, 40, 60, 40, 0xFF0000); meow_ui_text(160, 100, "OOB", 20, 0xFF0000); } } /* ---- 任务② view 递归 enter/leave + on_event 子>父：trace 顺序 + 命中计数 ---- */ static int g_vtrace[16]; static int g_vtrace_n = 0; static void vtrace_enter(meow_view *v, void *ctx) { (void)ctx; g_vtrace[g_vtrace_n++] = v->id; } static void vtrace_leave(meow_view *v, void *ctx) { (void)ctx; g_vtrace[g_vtrace_n++] = -v->id; } static int g_ev_child_hits = 0, g_ev_parent_hits = 0; static int vev_child(meow_view *v, int ev, int a, int b, void *ctx) { (void)v; (void)ctx; if (ev == 7 && a == 10 && b == 10) { g_ev_child_hits++; return 1; } return 0; } static int vev_parent(meow_view *v, int ev, int a, int b, void *ctx) { (void)v; (void)ctx; if (ev == 7) { g_ev_parent_hits++; return 1; } return 0; } int main(void) { setenv("MEOW_UI_DUMP", "/tmp/b2.ppm", 1); meow_ui_opts o = { 480, 720 }; assert(meow_ui_init(&o) == 0); int xres = meow_ui_width(), yres = meow_ui_height(); assert(xres == 480 && yres == 720); /* ---------- Button 五型：create_variant/set_variant + 命中 ---------- */ meow_widget *bf = W(meow_btn_create_variant(10, 10, 200, 56, "FILLED", MEOW_BTN_FILLED)); meow_widget *bt = W(meow_btn_create_variant(10, 80, 200, 56, "TONAL", MEOW_BTN_TONAL)); meow_widget *bo = W(meow_btn_create_variant(10, 150, 200, 56, "OUTLINED", MEOW_BTN_OUTLINED)); meow_widget *bx = W(meow_btn_create_variant(10, 220, 200, 56, "TEXT", MEOW_BTN_TEXT)); meow_widget *be = W(meow_btn_create_variant(10, 290, 200, 56, "ELEV", MEOW_BTN_ELEVATED)); assert(meow_btn_set_variant(bt, MEOW_BTN_TONAL) == 0); /* 同值 */ assert(meow_btn_set_variant(bo, MEOW_BTN_OUTLINED) == 0); assert(meow_widget_hit(bf, 100, 30) == 1); assert(meow_widget_hit(bf, 5, 5) == 0); /* 越界 */ meow_widget_set_enabled(bf, 0); assert(meow_widget_hit(bf, 100, 30) == 0); /* 禁用不命中 */ meow_widget_set_enabled(bf, 1); meow_widget_set_selected(be, 1); assert(meow_widget_selected(be) == 1); printf("PASS button-variant: create/set/hit/disabled/selected\n"); /* ---------- TextField ---------- */ char tfbuf[32] = ""; meow_widget *tf = W(meow_textfield_create(10, 360, 300, 44, "Type here...", tfbuf, 32, MEOW_IME_ASCII)); strcpy(tfbuf, "abc"); assert(strcmp(meow_textfield_text(tf), "abc") == 0); assert(meow_widget_hit(tf, 20, 380) == 1); meow_textfield_set_placeholder(tf, "placeholder"); printf("PASS textfield: create/text/placeholder/hit\n"); /* ---------- Card + content ---------- */ meow_widget *card = W(meow_card_create(240, 10, 220, 180)); meow_widget *inner = W(meow_btn_create_variant(260, 40, 180, 44, "IN CARD", MEOW_BTN_FILLED)); meow_card_set_content(card, inner); assert(meow_widget_hit(card, 250, 20) == 1); printf("PASS card: create/content/hit\n"); /* ---------- Divider / Badge ---------- */ meow_widget *dv = W(meow_divider_create(10, 470, 200, 0)); meow_widget *dv2 = W(meow_divider_create(230, 470, 8, 1)); meow_widget *bd = W(meow_badge_create(400, 100)); meow_badge_set(bd, 3); meow_badge_set(bd, 0); printf("PASS divider/badge: create/set\n"); /* ---------- Checkbox / Radio ---------- */ meow_widget *ck = W(meow_checkbox_create(300, 200)); meow_widget *rd = W(meow_radio_create(300, 250)); meow_widget_set_selected(ck, 1); meow_widget_set_selected(rd, 1); assert(meow_widget_selected(ck) == 1); assert(meow_widget_hit(rd, 315, 265) == 1); printf("PASS checkbox/radio: create/select/hit\n"); /* ---------- ProgressBar ---------- */ meow_widget *pg = W(meow_progress_create(10, 520, 300, 6, 40)); meow_progress_set(pg, 200); /* clamp 100（无 getter，仅不崩） */ meow_widget *pgc = W(meow_progress_circular_create(420, 520, 20, 66)); meow_progress_set(pgc, -1); /* 不定 */ printf("PASS progress: create/set linear+circular\n"); /* ---------- FAB ---------- */ meow_widget *fab = W(meow_fab_create(410, 620, 56, "+")); assert(meow_widget_hit(fab, 430, 640) == 1); printf("PASS fab: create/hit\n"); /* ---------- TopAppBar ---------- */ meow_widget *tab_ = W(meow_topappbar_create(0, 0, 480, 56, "Title")); meow_topappbar_set_back(tab_, 1); int a0 = meow_topappbar_add_action(tab_, "Save"); int a1 = meow_topappbar_add_action(tab_, "Edit"); assert(a0 == 0 && a1 == 1); assert(meow_topappbar_hit(tab_, 10, 28) == MEOW_TOPBAR_BACK); /* 返回区 */ assert(meow_topappbar_hit(tab_, 440, 28) == 1); /* 右缘动作 "Edit"（最右） */ printf("PASS topappbar: create/back/action/hit\n"); /* ---------- NavigationBar ---------- */ meow_widget *nav = W(meow_navigationbar_create(0, 680, 480, 40)); int n0 = meow_navigationbar_add_item(nav, "Home"); int n1 = meow_navigationbar_add_item(nav, "Library"); int n2 = meow_navigationbar_add_item(nav, "Settings"); assert(n0 == 0 && n1 == 1 && n2 == 2); meow_navigationbar_set_selected(nav, 2); assert(meow_navigationbar_selected(nav) == 2); assert(meow_navigationbar_hit(nav, 420, 700) == 2); /* 第 3 项 */ assert(meow_navigationbar_hit(nav, 10, 700) == 0); printf("PASS navigationbar: add/select/hit\n"); /* ---------- TabBar ---------- */ meow_widget *tbb = W(meow_tabbar_create(0, 660, 480, 36)); meow_tabbar_add_tab(tbb, "Playlist"); meow_tabbar_add_tab(tbb, "Queue"); meow_tabbar_set_selected(tbb, 1); assert(meow_tabbar_hit(tbb, 300, 678) == 1); printf("PASS tabbar: add/select/hit\n"); /* ---------- 列表容器（LazyColumn 虚拟化 + 滚动） ---------- */ meow_widget *lc = W(meow_lazycolumn_create(20, 460, 260, 180, 40, 100, list_src, NULL)); assert(meow_list_scroll(lc) == 0); assert(meow_list_max_scroll(lc) == 100 * 40 - 180); /* 4000-180=3820 */ meow_list_set_scroll(lc, 5000); assert(meow_list_scroll(lc) == 3820); /* clamp 到 max */ meow_list_scroll_by(lc, -320); assert(meow_list_scroll(lc) == 3500); assert(meow_list_hit_index(lc, 30, 480) == ((480 - 460 + 3500) / 40)); /* 可见项换算 */ meow_list_set_item_h(lc, 50); assert(meow_widget_hit(lc, 30, 470) == 1); /* M2.71-bug8：行选中 + 命中点击回调 */ meow_list_set_selected(lc, 5); assert(meow_list_selected(lc) == 5); /* 验证 tap_at 返回命中下标并置选中 */ int hidx = meow_list_tap_at(lc, 30, 480); assert(hidx == ((480 - 460 + meow_list_scroll(lc)) / 50)); assert(meow_list_selected(lc) == hidx); /* LazyRow 横向 */ meow_widget *lr = W(meow_lazyrow_create(20, 640, 380, 40, 60, 100, list_src, NULL)); meow_list_scroll_by(lr, 200); assert(meow_list_hit_index(lr, 40, 660) == ((40 - 20 + 200) / 60)); printf("PASS lazy list: scroll clamp/virtualize/hit_index/tap_at/select (col+row)\n"); /* ---------- 结构化列表（W_LISTVIEW）：行渲染像素 + 命中 + 滚动裁剪 ---------- * lv 位于 (20,240,320,112)item_h=56 → 行0 y240..296、行1 296..352。 * 断言全部「画完读 back_buf 像素」（region_has/px_near），非目检。 */ meow_widget *lv = W(meow_listview_create(20, 240, 320, 112, 4, lv_src, NULL, MEOW_LIST_SEL_SINGLE)); assert(meow_listview_set_item_h(lv, 56) == 56); const meow_theme *lth = meow_theme_get(); int lvx = 20, lvy = 240, lvw = 320, lvh = 112, itemh = 56; int textx = lvx + 16 + 24 + 16; /* 文本起 x = 76 */ int op_start = lvx + (lvw * 2 / 3); /* 行右 1/3 操作区起 = 20+213=233 */ int sb_r, sb_g, sb_b, os_r, os_g, os_b, pc_r, pc_g, pc_b; int ospv_r, ospv_g, ospv_b, prim_r, prim_g, prim_b; UNPK(lth->bg, sb_r, sb_g, sb_b); UNPK(lth->onSurface, os_r, os_g, os_b); UNPK(lth->primaryContainer, pc_r, pc_g, pc_b); UNPK(lth->onSurfaceVariant, ospv_r, ospv_g, ospv_b); UNPK(lth->primary, prim_r, prim_g, prim_b); int thh = meow_ui_text_height(lth->font_body); /* 20（宿主 5x7） */ /* 行 0 的标题/副标题 y（含 subtitle 的两行居中）：ty=240+(56-42)/2=247 */ int r0_ty = lvy + (itemh - (2 * thh + 2)) / 2; int r0_sy = r0_ty + thh + 2; /* 1) 行内容渲染：清底 + 只画列表，断言图标/标题/副标题/右侧 ⋯ 真实像素 */ meow_ui_clear(lth->bg); meow_widget_draw(lv); assert(region_has(lvx + 16, lvy + (itemh - 24) / 2, 24, 24, prim_r, prim_g, prim_b) > 100); assert(region_has(textx, r0_ty, 80, thh, os_r, os_g, os_b) > 2); assert(region_has(textx, r0_sy, 80, thh, ospv_r, ospv_g, ospv_b) > 2); assert(region_has(lvx + lvw - 16 - 24, lvy + (itemh - 20) / 2, 8, 20, ospv_r, ospv_g, ospv_b) > 20); printf("PASS listview: row render (icon/title/subtitle/right-more) pixels\n"); /* 2) 选中态：行 1 → primaryContainer 高亮；行 0 无高亮（bg） */ meow_listview_set_sel(lv, 1); meow_ui_clear(lth->bg); meow_widget_draw(lv); assert(px_near(28, lvy + itemh + 48, pc_r, pc_g, pc_b)); /* 行1带底部空白 = primaryContainer */ assert(px_near(28, lvy + 48, sb_r, sb_g, sb_b)); /* 行0带空白 = bg（未选中无高亮） */ int selout[4]; assert(meow_listview_get_sel(lv, selout, 4) == 1 && selout[0] == 1); assert(meow_listview_sel_count(lv) == 1); printf("PASS listview: selected row highlight + get_sel/sel_count\n"); /* 3) 命中：行号 + 右侧操作区分 + 禁用行不命中 */ assert(meow_listview_hit(lv, 28, lvy + 20) == 0); /* 行0 体 */ assert(meow_listview_hit_op(lv, 28, lvy + 20) == 0); /* 体非操作区 */ assert(meow_listview_hit_op(lv, op_start + 10, lvy + 20) == 1); /* 行0 右1/3=操作区 */ meow_listview_set_sel(lv, -1); /* 滚动到 3、4 行行内命中（scroll=112 → 行2 y240、行3 y296） */ meow_listview_set_scroll(lv, 112); assert(meow_listview_scroll(lv) == 112); assert(meow_listview_max_scroll(lv) == 4 * 56 - 112); assert(meow_listview_hit(lv, 28, lvy + 28) == -1); /* 行2 禁用 → 不命中 */ assert(meow_listview_hit(lv, 28, lvy + itemh + 28) == 3); /* 行3 命中 */ printf("PASS listview: hit row/hit_op/disabled-not-hit\n"); /* 4) 滚动视口裁剪：滚到 112 后画，视口外（上缘/下缘）无泄漏（保持 bg） */ meow_ui_clear(lth->bg); meow_widget_draw(lv); assert(px_near(21, lvy - 1, sb_r, sb_g, sb_b)); /* 视口上缘外 = bg（无上漏） */ assert(px_near(21, lvy + lvh, sb_r, sb_g, sb_b)); /* 视口下缘外 = bg（无下漏） */ /* 视口内 行3 标题真实渲染（行3 y=296，标题 y=303） */ assert(region_has(textx, lvy + itemh + (itemh - (2 * thh + 2)) / 2, 80, thh, os_r, os_g, os_b) > 2); /* 行 2 禁用行「变淡」：draw 后其左 padding 像素应被 dim 覆盖（偏离纯 bg） */ assert(!px_near(28, lvy + 28, sb_r, sb_g, sb_b)); printf("PASS listview: scroll clip no-leak + disabled-row dim\n"); meow_listview_set_scroll(lv, 0); meow_listview_set_sel(lv, -1); /* ---------- Dialog / BottomSheet 纯逻辑（create/set/add；show 阻塞故不调） ---------- */ meow_dialog *dlg = meow_dialog_create(MEOW_DLG_SELECT, "Pick one"); const char *items[] = { "Alpha", "Beta", "Gamma" }; meow_dialog_set_items(dlg, items, 3, 1); assert(meow_dialog_result(dlg) == 0); /* 未 show 默认 */ meow_dialog_free(dlg); meow_dialog *dc = meow_dialog_create(MEOW_DLG_CONFIRM, "Sure?"); assert(meow_dialog_result(dc) == 0); meow_dialog_free(dc); meow_sheet *sh = meow_sheet_create("Options", 0); int s0 = meow_sheet_add_item(sh, "Copy"); int s1 = meow_sheet_add_item(sh, "Delete"); assert(s0 == 0 && s1 == 1); meow_sheet_free(sh); printf("PASS dialog/sheet: create/set_items/add_item (blocking show skipped)\n"); /* ---------- §6.3 通用长按：触发/取消/短按不受影响（模拟时序） ---------- * 用 meow_input_touch_set（按下+已按住时长回拨）驱动 SDK 触摸状态机，meow_input_long_press_poll * 检测阈值跨越；meow_input_touch_release 走真实 touch_release（含长按后抑制 TAP/SWIPE）。 * 断言：① 长按触发（poll=1 + 入队 LONG_PRESS）；② 长按后抬手不再产生 TAP；③ 短按不受影响； * ④ 移动超容忍取消长按；⑤ 阈值可配；⑥ 未注册回调 = 长按关闭（opt-in，hello 等零回归）。 */ { meow_input_ev e; meow_input_drain(); meow_input_touch_set(0, 0, 0, 0); /* 复位（清任何残留按住态） */ meow_ui_set_long_press_ms(500); /* 显式回默认，防其它段干扰 */ /* ⑥ opt-in：未注册回调 → 长按判定关闭：poll=0（即使 hold≥阈值），抬手照常 TAP。 */ assert(meow_input_long_press_poll() == 0); meow_input_touch_set(1, 130, 310, 700); assert(meow_input_long_press_poll() == 0); /* 未注册回调：不触发 */ meow_input_touch_release(); assert(meow_input_pop(&e) == 1 && e.type == MEOW_EV_TAP); meow_ui_set_long_press_cb(lp_recv); /* ① 长按触发：hold=700ms（≥500）→ poll=1，LONG_PRESS 入队且坐标=按下点。 */ meow_input_touch_set(1, 120, 300, 700); assert(meow_input_long_press_poll() == 1); assert(meow_input_pop(&e) == 1 && e.type == MEOW_EV_LONG_PRESS && e.a == 120 && e.b == 300); /* ② 长按后抬手：点击被抑制（不再产生 TAP）。 */ meow_input_touch_release(); assert(meow_input_pop(&e) == 0); /* ③ 短按不受影响：hold=100ms（<500）→ poll=0（不触发）；抬手 → TAP 正常。 */ meow_input_touch_set(1, 200, 400, 100); assert(meow_input_long_press_poll() == 0); meow_input_touch_release(); assert(meow_input_pop(&e) == 1 && e.type == MEOW_EV_TAP && e.a == 200 && e.b == 400); /* ④ 长按取消（移动超容忍）：hold=700ms 但按下后位移 30px（>12）→ poll=0；抬手仍 TAP * （位移 < SWIPE_THRESH 65，手势判定为点击）。 */ meow_input_touch_set(1, 300, 500, 700); meow_input_touch_move(300 + 30, 500); assert(meow_input_long_press_poll() == 0); meow_input_touch_release(); assert(meow_input_pop(&e) == 1 && e.type == MEOW_EV_TAP); /* ⑤ 阈值可配：设 200ms → hold=250ms 也触发；恢复默认。 */ meow_ui_set_long_press_ms(200); assert(meow_ui_long_press_ms() == 200); meow_input_touch_set(1, 180, 260, 250); assert(meow_input_long_press_poll() == 1); meow_input_touch_release(); meow_ui_set_long_press_ms(500); assert(meow_ui_long_press_ms() == 500); meow_ui_set_long_press_cb(NULL); /* 复位，避免影响其它段 */ meow_input_touch_set(0, 0, 0, 0); /* 复位，避免影响后续绘制 */ meow_input_drain(); printf("PASS long-press: trigger/suppress-tap/short-tap/cancel-move/configurable/opt-in\n"); } /* ---------- 任务① 绘制期 clip：W_CUSTOM 越界绘制被裁掉 ---------- */ { const meow_theme *thc = meow_theme_get(); int bg_r, bg_g, bg_b; UNPK(thc->bg, bg_r, bg_g, bg_b); meow_widget *cw = W(meow_widget_custom_create(40, 40, 80, 40, clip_oob_render, NULL, NULL)); /* a) clip 生效：经 meow_widget_draw（push 控件矩形）→ 越界块/文本被裁掉 */ g_custom_oob = 1; meow_ui_clear(thc->bg); meow_widget_draw(cw); assert(region_has(45, 45, 20, 20, 0xFF, 0x00, 0x00) > 30); /* 控件内红块画出 */ assert(px_near(40 + 80 + 25, 40 + 10, bg_r, bg_g, bg_b)); /* 越界实心块被裁 → bg */ assert(px_near(40 + 80 + 45, 40 + 65, bg_r, bg_g, bg_b)); /* 越界文本被裁 → bg */ /* b) 对照：无 clip 直绘同尺寸块会画出（证明是 clip 在裁） */ meow_ui_clear(thc->bg); meow_ui_fill_rect(40 + 80 + 20, 40, 60, 40, 0x00FF00); assert(region_has(40 + 80 + 20, 40, 60, 40, 0x00, 0xFF, 0x00) > 100); printf("PASS clip: W_CUSTOM out-of-bounds fill+text clipped by widget clip\n"); } /* ---------- 任务② view 递归 enter/leave + on_event 子>父命中 ---------- */ { static const meow_view_hooks ph = { .on_enter = vtrace_enter, .on_leave = vtrace_leave, .on_event = vev_parent }; static const meow_view_hooks ch = { .on_enter = vtrace_enter, .on_leave = vtrace_leave, .on_event = vev_child }; /* 页 id 须 < MEOW_VIEW_BY_ID_MAX(32) 才能进 g_view_by_id（page_push 查找） */ meow_view *pv = meow_view_create(3, MEOW_VIEW_ACTIVITY, &ph, NULL); meow_view *cv = meow_view_create(4, MEOW_VIEW_CONTAINER, &ch, NULL); assert(meow_view_add_child(pv, cv) == 0); g_vtrace_n = 0; g_ev_child_hits = 0; g_ev_parent_hits = 0; meow_view_page_push(3); /* 进入 pv → 递归进 cv：pv.on_enter→cv.on_enter */ assert(g_vtrace_n == 2 && g_vtrace[0] == 3 && g_vtrace[1] == 4); /* 命中 (10,10)：先发子（按 z 降序），子命中即消费，父不再收 */ assert(meow_view_dispatch_event(7, 10, 10) == 1); assert(g_ev_child_hits == 1 && g_ev_parent_hits == 0); /* 命中 (20,20)：子不命中 → 落父 on_event */ assert(meow_view_dispatch_event(7, 20, 20) == 1); assert(g_ev_child_hits == 1 && g_ev_parent_hits == 1); /* 离开 pv → 递归离开：cv.on_leave(-4) → pv.on_leave(-3) */ g_vtrace_n = 0; meow_view_page_pop(); assert(g_vtrace_n == 2 && g_vtrace[0] == -4 && g_vtrace[1] == -3); meow_view_free(pv); /* 递归释放 cv */ printf("PASS view: recursive enter/leave order + on_event child>parent hit\n"); } /* ---------- 绘制所有控件到 back_buf（5x7 兜底），flush 出屏幕 ---------- */ const meow_theme *th = meow_theme_get(); meow_ui_clear(th->bg); for (int i = 0; i < g_wn; i++) meow_widget_draw(g_w[i]); meow_ui_flush(); printf("PASS draw: all %d widgets rendered, screen dumps to /tmp/b2.ppm\n", g_wn); free_all(); meow_ui_shutdown(); printf("ALL PASS\n"); return 0; }