517 lines
20 KiB
Plaintext
517 lines
20 KiB
Plaintext
# ============================================================
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# main.vp — ViperAIChat：DeepSeek/OpenAI 兼容的桌面聊天客户端
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#
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# UI（微信/QQ 聊天气泡风格 + 深色主题，全局微软雅黑）:
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# 1) 顶部条：标题 + 右侧【设置】按钮（点按展开/收起配置面板）
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# 2) 配置面板（默认收起）：API Key（QLineEdit 密码回显，留空由用户填）、
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# 模型名（默认 deepseek-v4-flash）、API 地址（默认 DeepSeek 端点）
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# 3) 中部：QListWidget 气泡聊天区（自己=右侧绿色气泡，AI=左侧深灰气泡，
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# 错误=左侧暗红气泡），带滚动
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# 4) 底部输入条：输入框 +【发送】+【清空】
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# 5) 发送 = 异步（vthreading 后台线程）+ SSE 流式（requests/https
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# post_stream，stream:true）：AI 回复逐段刷新进同一条气泡；
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# 期间【发送】禁用，QTimer 主线程轮询增量。
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#
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# 说明：气泡行由 vqt6 QListWidget.addBubble()/replaceLastBubble() 提供，
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# 需重建 vqt6 静态库 includes/vqt6/build/lib/libvqt6_bridge.a。
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# ============================================================
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import t
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from stdint import *
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import stdlib
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import stdio
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import string
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import memhub
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import vqt6
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import vthreading
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import requests
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import requests.https as rhttps
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import json
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import win32.win32memory as win32mem
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# ============================================================
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# 常量
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# ============================================================
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# CA bundle（HTTPS 证书链校验用）
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CA_BUNDLE: str = "D:/msys64/mingw64/etc/ssl/certs/ca-bundle.crt"
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DEFAULT_MODEL: str = "deepseek-v4-flash"
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DEFAULT_API_URL: str = "https://api.deepseek.com/chat/completions"
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# 气泡角色
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define WHO_USER = 1 # 自己：右侧绿色气泡
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define WHO_AI = 0 # AI：左侧深灰气泡
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define WHO_SYS = 2 # 系统/错误：左侧暗红气泡
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# 气泡最大宽度（超出自动换行）
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define BUBBLE_MAX_W = 430
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# 全局字体：微软雅黑（作用于整窗所有控件，含气泡）
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APP_FONT_QSS: str = '* { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; }'
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# 气泡 QSS（与 addBubble 的 hpad/vpad 参数匹配）
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USER_QSS: str = "background-color:#95EC69;color:#111111;border-radius:10px;padding:8px 14px;"
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AI_QSS: str = "background-color:#3A3C40;color:#ECECEC;border:1px solid #4A4C50;border-radius:10px;padding:8px 14px;"
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SYS_QSS: str = "background-color:#5C2E2E;color:#FFB4B4;border-radius:10px;padding:6px 12px;"
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# 请求/回复缓冲上限（与服务端流式回复体量对应）
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define CUR_MSG_CAP = 8192
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define RESP_CAP = 262144
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define PULL_CAP = 8192
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# ============================================================
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# 模块级全局
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# ============================================================
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_mbuddy: memhub.MemBuddy* = None # requests/https 内存池
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_json_pool: memhub.MemPool* = None # json 解析内存池（保留：错误回退解析等）
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chat_list: vqt6.QListWidget* = None
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input_edit: vqt6.QLineEdit* = None
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key_edit: vqt6.QLineEdit* = None
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model_edit: vqt6.QLineEdit* = None
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url_edit: vqt6.QLineEdit* = None
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settings_panel: vqt6.QWidget* = None
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settings_btn: vqt6.QPushButton* = None
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settings_open: int = 0
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# ---- 异步流式状态 ----
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streaming_active: int = 0 # 1 = 后台线程流式请求中
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worker_handle: t.CPtr = None # 后台线程句柄（结束时等待并关闭）
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send_ptr: t.CPtr = None # 发送按钮原始指针（流式期间禁用）
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acc_len: sizet = 0 # 已累积的回复内容长度（resp_acc）
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resp_acc: t.CArray[char, 262144] # AI 流式回复累积文本（UI 线程写）
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disp_buf: t.CArray[char, 262144] # 刷新用（裁剪掉末尾不完整 UTF-8 字符）
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pull_tmp: t.CArray[char, 8192] # 拉取增量用临时缓冲
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cur_url: t.CArray[char, 2048] # 供后台线程读取的请求参数
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cur_key: t.CArray[char, 2048]
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cur_model: t.CArray[char, 256]
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cur_msg: t.CArray[char, 8192]
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# ============================================================
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# 工具函数
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# ============================================================
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def AddBubble(msg: str, who: int):
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"""追加一条气泡。who: WHO_USER/WHO_AI/WHO_SYS。"""
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if msg is None or string.strlen(msg) == 0:
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msg = " "
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if who == WHO_USER:
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chat_list.addBubble(msg, USER_QSS, 1, BUBBLE_MAX_W, 28, 16)
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elif who == WHO_SYS:
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chat_list.addBubble(msg, SYS_QSS, 0, BUBBLE_MAX_W, 12, 12)
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else:
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chat_list.addBubble(msg, AI_QSS, 0, BUBBLE_MAX_W, 28, 16)
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def ReplaceStreamBubble(msg: str):
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"""把最后一条气泡替换为最新流式回复文本（AI 气泡样式）。"""
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if msg is None or string.strlen(msg) == 0:
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msg = "…"
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chat_list.replaceLastBubble(msg, AI_QSS, 0, BUBBLE_MAX_W, 28, 16)
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def StreamRefresh():
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"""把累积回复裁剪掉末尾不完整 UTF-8 字符后刷新气泡（防流式切字显示 �）。"""
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global acc_len
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if acc_len == 0:
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return
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end: sizet = acc_len
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while end > 0:
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s: sizet = end - 1
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while s > 0 and (resp_acc[s] & 0xC0) == 0x80:
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s -= 1
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lead: char = resp_acc[s]
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need: sizet = 1
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if (lead & 0xE0) == 0xC0:
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need = 2
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elif (lead & 0xF0) == 0xE0:
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need = 3
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elif (lead & 0xF8) == 0xF0:
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need = 4
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if end - s >= need:
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break
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end = s
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if end == 0:
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return # 全是半截字符，等后续字节再显示
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for j in range(end):
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disp_buf[j] = resp_acc[j]
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disp_buf[end] = 0
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ReplaceStreamBubble(disp_buf)
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def JsonEscape(src: str, dst: str, cap: int) -> int:
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"""把 src 转义为可放入 JSON 字符串字面量的内容写入 dst（\\ " \\n \\r \\t）。"""
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if src is None:
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src = ""
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if dst is None or cap <= 0:
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return -1
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i: int = 0
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w: int = 0
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while src[i] != 0:
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ch: char = src[i]
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if ch == '"' or ch == '\\':
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if w + 2 >= cap: return -1
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dst[w] = '\\'
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dst[w + 1] = ch
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w += 2
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elif ch == '\n':
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if w + 2 >= cap: return -1
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dst[w] = '\\'
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dst[w + 1] = 'n'
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w += 2
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elif ch == '\r':
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if w + 2 >= cap: return -1
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dst[w] = '\\'
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dst[w + 1] = 'r'
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w += 2
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elif ch == '\t':
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if w + 2 >= cap: return -1
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dst[w] = '\\'
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dst[w + 1] = 't'
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w += 2
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else:
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if w + 1 >= cap: return -1
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dst[w] = ch
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w += 1
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i += 1
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if w + 1 >= cap:
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return -1
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dst[w] = 0
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return 0
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def _CopyStr(dst: str, src: str, cap: int):
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"""拷贝字符串到定长缓冲（自动补 0）。"""
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if dst is None or cap <= 0:
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return
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n: int = 0
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if src is not None:
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while n < cap - 1 and src[n] != 0:
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dst[n] = src[n]
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n += 1
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dst[n] = 0
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# ============================================================
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# 回调
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# ============================================================
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def OnToggleSettings(slot_id: int, data: t.CPtr):
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"""【设置】按钮：展开/收起顶部配置面板。"""
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global settings_open
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settings_open = 1 - settings_open
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if settings_open != 0:
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settings_panel.show()
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settings_btn.setText("收起配置")
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else:
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settings_panel.hide()
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settings_btn.setText("设置")
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def StreamWorker(arg: t.CPtr) -> t.CPtr:
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"""后台线程：发送 stream:true 请求并阻塞接收（SSE 增量由 https 库抽取）。"""
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# 读配置与消息（主线程已拷贝到模块数组）
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esc_buf: str = stdlib.malloc(CUR_MSG_CAP * 2 + 64)
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body_buf: str = stdlib.malloc(32768)
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auth_buf: str = stdlib.malloc(2048)
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if esc_buf is None or body_buf is None or auth_buf is None:
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if esc_buf is not None: stdlib.free(esc_buf)
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if body_buf is not None: stdlib.free(body_buf)
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if auth_buf is not None: stdlib.free(auth_buf)
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return t.CPtr(0)
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if JsonEscape(cur_msg, esc_buf, CUR_MSG_CAP * 2 + 64) == 0:
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stdio.snprintf(auth_buf, 2048, "Bearer %s", cur_key)
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stdio.snprintf(body_buf, 32768,
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'{"model":"%s","messages":[{"role":"user","content":"%s"}],"stream":true}',
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cur_model, esc_buf)
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rhttps.post_stream(cur_url, body_buf, "application/json", True, CA_BUNDLE, auth_buf)
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stdlib.free(esc_buf)
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stdlib.free(body_buf)
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stdlib.free(auth_buf)
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return t.CPtr(0)
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def OnSend(slot_id: int, data: t.CPtr):
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"""发送：校验配置 → 起后台线程做流式请求（不阻塞 UI）。"""
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global streaming_active, worker_handle, acc_len
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if streaming_active != 0:
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return # 上一轮还在回复中
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msg: str = input_edit.text()
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if msg is None or string.strlen(msg) == 0:
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return
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key_txt: str = key_edit.text()
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model_txt: str = model_edit.text()
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url_txt: str = url_edit.text()
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if key_txt is None or string.strlen(key_txt) == 0:
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AddBubble("【配置错误】请先填写 API Key（点右上角【设置】）。", WHO_SYS)
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return
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if model_txt is None or string.strlen(model_txt) == 0:
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AddBubble("【配置错误】模型名不能为空。", WHO_SYS)
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return
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if url_txt is None or string.strlen(url_txt) == 0:
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AddBubble("【配置错误】API 地址不能为空。", WHO_SYS)
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return
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input_edit.clear()
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AddBubble(msg, WHO_USER) # 自己：右侧绿色气泡
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# 拷贝请求参数到模块数组（后台线程读；主线程此后再写前会等本轮结束）
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_CopyStr(cur_url, url_txt, 2048)
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_CopyStr(cur_key, key_txt, 2048)
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_CopyStr(cur_model, model_txt, 256)
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_CopyStr(cur_msg, msg, CUR_MSG_CAP)
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acc_len = 0
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resp_acc[0] = 0
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# 流式回复占位气泡 + 起后台线程
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rhttps.stream_begin()
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AddBubble("…", WHO_AI)
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vqt6.vqt6_qwidget_set_enabled(send_ptr, 0) # 发送期间禁用
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streaming_active = 1
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th = vthreading.Thread(StreamWorker, t.CPtr(0))
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th.start()
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worker_handle = t.CPtr(th.handle)
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def OnStreamTick(slot_id: int, data: t.CPtr):
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"""QTimer：主线程增量拉取流式内容并刷新 AI 气泡；结束时收尾。"""
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global streaming_active, acc_len, worker_handle
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if streaming_active == 0:
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return
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# 拉取新内容
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n: INT = rhttps.stream_pull(pull_tmp, PULL_CAP)
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if n > 0:
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i: sizet = 0
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while i < sizet(n) and acc_len < sizet(RESP_CAP) - 1:
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resp_acc[acc_len] = pull_tmp[i]
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acc_len += 1
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i += 1
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resp_acc[acc_len] = 0
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StreamRefresh()
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st: INT = rhttps.stream_state()
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if st == 0:
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return # 仍在接收
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# ---- 结束：最终拉取 + 收尾 ----
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n2: INT = rhttps.stream_pull(pull_tmp, PULL_CAP)
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if n2 > 0:
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i2: sizet = 0
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while i2 < sizet(n2) and acc_len < sizet(RESP_CAP) - 1:
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resp_acc[acc_len] = pull_tmp[i2]
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acc_len += 1
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i2 += 1
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resp_acc[acc_len] = 0
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StreamRefresh()
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if st == 1:
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if acc_len == 0:
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ReplaceStreamBubble("（空回复）")
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else:
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# 2 = 失败
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err_txt: str = rhttps.stream_error_text()
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if err_txt is None or string.strlen(err_txt) == 0:
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err_txt = rhttps.last_error()
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if err_txt is None or string.strlen(err_txt) == 0:
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err_txt = "未知网络/证书错误"
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ebuf: str = stdlib.malloc(1024)
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if ebuf is not None:
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stdio.snprintf(ebuf, 1024, "【请求失败】%s", err_txt)
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AddBubble(ebuf, WHO_SYS)
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stdlib.free(ebuf)
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else:
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AddBubble("【请求失败】", WHO_SYS)
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streaming_active = 0
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vqt6.vqt6_qwidget_set_enabled(send_ptr, 1)
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if worker_handle is not None:
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vthreading.wait_handle(worker_handle, 2000)
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vthreading.close_handle(worker_handle)
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worker_handle = None
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def OnClearHistory(slot_id: int, data: t.CPtr):
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"""清空聊天历史（流式中提示不可清）。"""
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if streaming_active != 0:
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AddBubble("正在回复中，稍后再清空。", WHO_SYS)
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return
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chat_list.clear()
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# ============================================================
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# 主入口
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# ============================================================
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@t.CExport
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def main() -> int:
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global _mbuddy, _json_pool
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global chat_list, input_edit, key_edit, model_edit, url_edit
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global settings_panel, settings_btn, send_ptr
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# ---- 内存池：requests(16MB) + json(4MB) ----
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http_arena: bytes = stdlib.malloc(16 * 1024 * 1024)
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if http_arena is None:
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return 1
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_mbuddy = memhub.MemBuddy(http_arena, 16 * 1024 * 1024)
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requests._mbuddy = _mbuddy
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json_mem: t.CPtr = win32mem.VirtualAlloc(0, 4 * 1024 * 1024, 0x3000, 0x04)
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if json_mem is None:
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return 1
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_json_pool = memhub.MemPool(json_mem, 4 * 1024 * 1024)
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# ---- 应用与主窗口 ----
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app = vqt6.QApplication([])
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win = vqt6.QMainWindow()
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win.setWindowTitle("Viper AI Chat")
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win.resize(900, 680)
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central = vqt6.QWidget()
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win.setCentralWidget(central._ptr)
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vroot = vqt6.QVBoxLayout(central)
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vroot.setContentsMargins(0, 0, 0, 0)
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vroot.setSpacing(0)
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# ============================================================
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# 顶部条：标题 + 【设置】
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# ============================================================
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hdr = vqt6.QWidget()
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hdr.setStyleSheet("QWidget { background-color:#2A2B2E; border-bottom:1px solid #3F4045; }")
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hrow = vqt6.QHBoxLayout(hdr)
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hrow.setContentsMargins(14, 8, 12, 8)
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hrow.setSpacing(8)
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title_lb = vqt6.QLabel("Viper AI Chat")
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title_lb.setStyleSheet("color:#F2F2F2;font-size:16px;font-weight:600;background:transparent;")
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hrow.addWidget(title_lb._ptr)
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hrow.addStretch(1)
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_st_btn = vqt6.QPushButton("设置")
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vqt6.vqt6_qwidget_set_stylesheet_utf8(_st_btn._ptr,
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"QPushButton { background:#33353A; color:#B9C8F0; border:1px solid #4A4C52; border-radius:13px; padding:3px 14px; font-size:13px; }"
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" QPushButton:hover { background:#3E4046; } QPushButton:pressed { background:#484B52; }")
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_st_btn.clicked(OnToggleSettings, 0)
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hrow.addWidget(_st_btn._ptr)
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settings_btn = _st_btn
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vroot.addWidget(hdr._ptr)
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# ============================================================
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# 配置面板（默认收起）
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# ============================================================
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_panel = vqt6.QWidget()
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_panel.setStyleSheet("QWidget { background-color:#222326; border-bottom:1px solid #3F4045; }")
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pv = vqt6.QVBoxLayout(_panel)
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pv.setContentsMargins(14, 8, 14, 10)
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pv.setSpacing(6)
|
||
settings_panel = _panel
|
||
|
||
prow1 = vqt6.QHBoxLayout()
|
||
plb1 = vqt6.QLabel("API Key:")
|
||
plb1.setStyleSheet("color:#B8B8BC;font-size:13px;background:transparent;")
|
||
prow1.addWidget(plb1._ptr)
|
||
_key_le = vqt6.QLineEdit("")
|
||
_key_le.setPlaceholderText("sk-... 填入 API Key（留空不默认写 Key）")
|
||
vqt6.vqt6_qlineedit_set_echo_mode(_key_le._ptr, 2) # Password = 2
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(_key_le._ptr,
|
||
"QLineEdit { background:#2E2F34; color:#ECECEC; border:1px solid #484A50; border-radius:6px; padding:4px 8px; font-size:13px; selection-background-color:#95EC69; selection-color:#111111; }")
|
||
prow1.addWidget(_key_le._ptr)
|
||
key_edit = _key_le
|
||
pv.addLayout(prow1._ptr)
|
||
|
||
prow2 = vqt6.QHBoxLayout()
|
||
plb2 = vqt6.QLabel("模型:")
|
||
plb2.setStyleSheet("color:#B8B8BC;font-size:13px;background:transparent;")
|
||
prow2.addWidget(plb2._ptr)
|
||
_model_le = vqt6.QLineEdit(DEFAULT_MODEL)
|
||
_model_le.setPlaceholderText("默认 deepseek-v4-flash")
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(_model_le._ptr,
|
||
"QLineEdit { background:#2E2F34; color:#ECECEC; border:1px solid #484A50; border-radius:6px; padding:4px 8px; font-size:13px; selection-background-color:#95EC69; selection-color:#111111; }")
|
||
prow2.addWidget(_model_le._ptr)
|
||
model_edit = _model_le
|
||
pv.addLayout(prow2._ptr)
|
||
|
||
prow3 = vqt6.QHBoxLayout()
|
||
plb3 = vqt6.QLabel("API 地址:")
|
||
plb3.setStyleSheet("color:#B8B8BC;font-size:13px;background:transparent;")
|
||
prow3.addWidget(plb3._ptr)
|
||
_url_le = vqt6.QLineEdit(DEFAULT_API_URL)
|
||
_url_le.setPlaceholderText("https://.../chat/completions")
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(_url_le._ptr,
|
||
"QLineEdit { background:#2E2F34; color:#ECECEC; border:1px solid #484A50; border-radius:6px; padding:4px 8px; font-size:13px; selection-background-color:#95EC69; selection-color:#111111; }")
|
||
prow3.addWidget(_url_le._ptr)
|
||
url_edit = _url_le
|
||
pv.addLayout(prow3._ptr)
|
||
|
||
vroot.addWidget(_panel._ptr)
|
||
_panel.hide()
|
||
|
||
# ============================================================
|
||
# 中部：气泡聊天区（QListWidget）
|
||
# ============================================================
|
||
_chat = vqt6.QListWidget()
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(_chat._ptr,
|
||
"QListWidget { background-color:#161719; border:none; outline:0; }"
|
||
" QListWidget::item { background:transparent; border:none; }"
|
||
" QListWidget::item:hover { background:transparent; }"
|
||
" QListWidget::item:selected { background:transparent; color:#ECECEC; }"
|
||
" QScrollBar:vertical { background:#161719; width:8px; margin:0; }"
|
||
" QScrollBar::handle:vertical { background:#4A4B50; border-radius:4px; min-height:30px; }"
|
||
" QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height:0px; }"
|
||
" QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical { background:#161719; }")
|
||
vroot.addWidget(_chat._ptr)
|
||
chat_list = _chat
|
||
|
||
# ============================================================
|
||
# 底部输入条
|
||
# ============================================================
|
||
inbar = vqt6.QWidget()
|
||
inbar.setStyleSheet("QWidget { background-color:#2A2B2E; border-top:1px solid #3F4045; }")
|
||
irow = vqt6.QHBoxLayout(inbar)
|
||
irow.setContentsMargins(12, 8, 12, 8)
|
||
irow.setSpacing(8)
|
||
|
||
_in_le = vqt6.QLineEdit("")
|
||
_in_le.setPlaceholderText("输入消息，点击【发送】")
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(_in_le._ptr,
|
||
"QLineEdit { background:#2E2F34; color:#ECECEC; border:1px solid #484A50; border-radius:18px; padding:6px 14px; font-size:14px; selection-background-color:#95EC69; selection-color:#111111; }")
|
||
irow.addWidget(_in_le._ptr)
|
||
input_edit = _in_le
|
||
|
||
send_btn = vqt6.QPushButton("发送")
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(send_btn._ptr,
|
||
"QPushButton { background-color:#07C160; color:#FFFFFF; border:none; border-radius:18px; padding:6px 26px; font-size:14px; font-weight:600; }"
|
||
" QPushButton:hover { background-color:#06AD56; } QPushButton:pressed { background-color:#059B4C; }")
|
||
send_btn.clicked(OnSend, 0)
|
||
irow.addWidget(send_btn._ptr)
|
||
send_ptr = t.CPtr(send_btn._ptr)
|
||
|
||
clear_btn = vqt6.QPushButton("清空")
|
||
vqt6.vqt6_qwidget_set_stylesheet_utf8(clear_btn._ptr,
|
||
"QPushButton { background:transparent; color:#8A8B90; border:none; padding:0 8px; font-size:13px; }"
|
||
" QPushButton:hover { color:#C0C4F0; }")
|
||
clear_btn.clicked(OnClearHistory, 0)
|
||
irow.addWidget(clear_btn._ptr)
|
||
vroot.addWidget(inbar._ptr)
|
||
|
||
# ---- 流式刷新定时器 ----
|
||
_st_timer = vqt6.QTimer()
|
||
_st_timer.timeout(OnStreamTick, 0)
|
||
_st_timer.start(40)
|
||
|
||
# ---- 全局微软雅黑 ----
|
||
central.setStyleSheet(APP_FONT_QSS)
|
||
|
||
win.show()
|
||
|
||
AddBubble("你好，我是 Viper AI。点右上角【设置】填入 API Key 后即可开始对话。", WHO_AI)
|
||
|
||
return app.exec()
|