feat: Add preview pane for document preview #587
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Add a new preview pane feature that uses Windows Shell IPreviewHandler interface to display file previews in the right panel. Features: - New PreviewPane class implementing IPreviewHandlerFrame interface - Support for text, Office documents (docx, doc, xlsx, etc.) preview - Toggle preview pane via View menu (IDM_VIEW_PREVIEWPANE) - Configurable preview pane width (default 350px) - Dark/light theme support for preview background - Auto-update preview on file selection change Implementation details: - Uses IInitializeWithFile, IInitializeWithStream, IInitializeWithItem for preview handler initialization - Implements IPreviewHandlerFrame for compatibility with handlers - PDF preview disabled due to Adobe preview handler incompatibility - Preview pane integrated into main window layout Files added: - PreviewPane.cpp - PreviewPane.h Files modified: - Config.h: Add showPreviewPane config option - DisplayWindow.cpp: Add UpdatePreviewPane function - Explorer++.cpp/h: Initialize and manage preview pane - HandleWindowState.cpp: Update preview on window state change - LayoutDefaults.h: Add default preview pane width - MainWndSwitch.cpp: Handle preview pane menu command - MsgHandler.cpp: Integrate preview pane into layout - resource.h: Add IDM_VIEW_PREVIEWPANE menu ID
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Add a new preview pane feature that uses Windows Shell IPreviewHandler interface to display file previews in the right panel.
Features:
Implementation details:
Files added:
Files modified: