106 lines
3.8 KiB
C
106 lines
3.8 KiB
C
/* ui/common/chrome.c — os.meow.ncm 共享 chrome（TopAppBar 建置 / 几何 / 空态&页脚 / 底部提示条）。
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*
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* 与 files_app/ui/common/chrome.c 同理：把「页面 chrome 固定不随内容重建」分出去。绘制全部读
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* meow_theme_get() 语义色（§8.1），不硬编码配色。topbar 由 meow_topappbar 建，自动注册进绘制物
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* 注册表（§6.2），owner=创建时 active activity。
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*/
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#include "../ncm_app_internal.h"
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#include <string.h>
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int ncm_statusbar(void)
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{
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int sb = meow_ui_statusbar_height();
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return sb < 0 ? 0 : sb;
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}
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ncm_rect_t ncm_topbar_rect(void)
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{
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int sb = ncm_statusbar();
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return NR(0, sb, meow_ui_width(), APP_TOPBAR_H);
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}
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ncm_rect_t ncm_content_rect(void)
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{
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int sb = ncm_statusbar();
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int y = sb + APP_TOPBAR_H;
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int h = meow_ui_height() - y;
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if (h < 0) h = 0;
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return NR(0, y, meow_ui_width(), h);
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}
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meow_widget *ncm_topbar_create(const char *title, int back, const char *action_label)
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{
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ncm_rect_t r = ncm_topbar_rect();
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meow_widget *tb = meow_topappbar_create(r.x, r.y, r.w, r.h, title);
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meow_topappbar_set_back(tb, back);
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if (action_label) meow_topappbar_add_action(tb, action_label);
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meow_widget_set_z(tb, 999); /* chrome 置顶（§6.2：> 一切自动 z） */
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return tb;
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}
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/* 空态/错误：居中两行（kind 大字 + what 小字）。kind 用品牌红（§3.1 品牌元素走 App 调色板）。 */
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void ncm_draw_empty(ncm_rect_t r, const char *kind, const char *what)
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{
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const meow_theme *th = meow_theme_get();
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const ncm_pal_t *pa = ncm_palette(g_dark);
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int cy = r.y + r.h / 2;
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meow_ui_text_center(r.x + r.w / 2, cy - 34, kind ? kind : "", 28, pa->red);
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if (what && what[0])
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meow_ui_text_center(r.x + r.w / 2, cy + 4, what, 20, th->onSurfaceVariant);
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}
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/* 底部信息（右对齐 dim）。 */
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void ncm_draw_footer(ncm_rect_t r, const char *text)
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{
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const meow_theme *th = meow_theme_get();
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if (!text || !text[0]) return;
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meow_ui_text_right(r.x + r.w - APP_PAD, r.y + r.h - 26, text, 20, th->dim);
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}
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/* 底部提示条（非阻塞）：画在内容区底部之上，2s 后由 tick 清除。
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* 只画一次并标脏；g_snack_until 为过期时间（0=无）。 */
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static char s_snack[192];
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static uint64_t s_snack_until; /* monotonic ms 过期时刻 */
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static ncm_rect_t s_snack_r;
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static int s_snack_id; /* <0=未注册 */
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static void snack_draw(void *ctx)
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{
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(void)ctx;
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if (meow_ui_time_ms() >= s_snack_until && s_snack_until != 0) {
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meow_ui_invalidate(s_snack_r.x, s_snack_r.y, s_snack_r.w, s_snack_r.h);
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s_snack_until = 0;
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return;
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}
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const meow_theme *th = meow_theme_get();
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/* 深色底 + 白字 */
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meow_ui_fill_rect(s_snack_r.x, s_snack_r.y, s_snack_r.w, s_snack_r.h, th->inverseSurface);
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meow_ui_text_center(s_snack_r.x + s_snack_r.w / 2, s_snack_r.y + (s_snack_r.h - 26) / 2 + 4,
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s_snack, 20, th->inverseOnSurface);
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}
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void ncm_snack(const char *text)
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{
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if (!text) return;
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strncpy(s_snack, text, sizeof s_snack - 1);
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s_snack[sizeof s_snack - 1] = 0;
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s_snack_until = meow_ui_time_ms() + 2000;
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int w = meow_ui_width() - 2 * APP_PAD;
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s_snack_r = NR(APP_PAD, meow_ui_height() - 56, w, 40);
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if (s_snack_id < 0)
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s_snack_id = meow_draw_custom_register(999, s_snack_r.x, s_snack_r.y, s_snack_r.w,
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s_snack_r.h, snack_draw, NULL);
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else
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meow_draw_set_z(s_snack_id, 999);
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meow_ui_invalidate(s_snack_r.x, s_snack_r.y, s_snack_r.w, s_snack_r.h);
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}
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/* 周期检查：snack 到期清除。可由各页 tick 调。 */
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void chrome_tick(void)
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{
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if (s_snack_until && meow_ui_time_ms() >= s_snack_until) {
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meow_ui_invalidate(s_snack_r.x, s_snack_r.y, s_snack_r.w, s_snack_r.h);
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s_snack_until = 0;
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}
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}
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