add:issue #190
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@@ -388,6 +388,29 @@ namespace Ink_Canvas.Helpers
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return false;
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}
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/// <summary>
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/// 重置当前演示文稿的墨迹锁定状态
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/// </summary>
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public void ResetCurrentPresentationLockState()
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{
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lock (_lockObject)
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{
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try
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{
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var manager = GetCurrentManager();
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if (manager != null)
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{
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manager.ResetLockState();
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LogHelper.WriteLogToFile("已重置当前演示文稿的墨迹锁定状态", LogHelper.LogType.Trace);
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}
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"重置墨迹锁定状态失败: {ex}", LogHelper.LogType.Error);
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}
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}
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}
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/// <summary>
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/// 移除演示文稿管理器
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/// </summary>
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@@ -207,8 +207,17 @@ namespace Ink_Canvas.Helpers
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// 如果有当前墨迹,先保存到正确的页面
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if (currentStrokes != null && currentStrokes.Count > 0)
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{
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// 使用当前锁定的页面索引,如果没有锁定则使用传入的页面索引
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int saveToSlideIndex = _lockedSlideIndex > 0 ? _lockedSlideIndex : slideIndex;
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// 否则使用传入的页面索引,确保墨迹保存到正确的页面
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int saveToSlideIndex;
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if (_lockedSlideIndex > 0 && DateTime.Now < _inkLockUntil && _lockedSlideIndex != slideIndex)
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{
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saveToSlideIndex = _lockedSlideIndex;
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LogHelper.WriteLogToFile($"使用锁定页面保存墨迹: {saveToSlideIndex} -> {slideIndex}", LogHelper.LogType.Trace);
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}
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else
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{
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saveToSlideIndex = slideIndex;
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}
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// 确保页面索引有效
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if (saveToSlideIndex > 0 && saveToSlideIndex < _memoryStreams.Length)
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@@ -407,6 +416,21 @@ namespace Ink_Canvas.Helpers
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if (currentSlideIndex != _lockedSlideIndex && _lockedSlideIndex > 0) return false;
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return true;
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}
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/// <summary>
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/// 重置墨迹锁定状态
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/// </summary>
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public void ResetLockState()
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{
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lock (_lockObject)
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{
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_inkLockUntil = DateTime.MinValue;
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_lockedSlideIndex = -1;
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_lastSwitchTime = DateTime.MinValue;
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_lastSwitchSlideIndex = -1;
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LogHelper.WriteLogToFile("已重置墨迹锁定状态", LogHelper.LogType.Trace);
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}
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}
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#endregion
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#region Private Methods
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@@ -796,6 +796,9 @@ namespace Ink_Canvas
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// 注意:这里只清空索引0的备份,不影响白板页面的墨迹(索引1及以上)
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TimeMachineHistories[0] = null;
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// 重置墨迹管理器的锁定状态,防止下次放映时墨迹显示错误
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ResetInkManagerLockState();
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// 退出PPT模式时恢复手势面板和手势按钮的显示状态
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if (Settings.Gesture.IsEnableTwoFingerGesture && ToggleSwitchEnableMultiTouchMode.IsOn)
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{
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@@ -1014,6 +1017,32 @@ namespace Ink_Canvas
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}
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}
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/// <summary>
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/// 重置墨迹管理器的锁定状态,防止墨迹显示错误
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/// </summary>
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private void ResetInkManagerLockState()
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{
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try
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{
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// 获取当前活跃的演示文稿
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var activePresentation = _pptManager?.GetCurrentActivePresentation();
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if (activePresentation != null)
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{
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// 切换到对应的墨迹管理器
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_multiPPTInkManager?.SwitchToPresentation(activePresentation);
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// 重置锁定状态
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_multiPPTInkManager?.ResetCurrentPresentationLockState();
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LogHelper.WriteLogToFile($"已重置墨迹管理器锁定状态", LogHelper.LogType.Trace);
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}
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"重置墨迹管理器锁定状态失败: {ex}", LogHelper.LogType.Error);
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}
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}
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/// <summary>
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/// 使用防抖机制处理页面切换
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/// </summary>
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