#ifndef __PREVIEWWND_H_
#define __PREVIEWWND_H_
#include "resource.h" // main symbols
#include "annotlib.h"
#include "tasks.h"
#include "ZoomWnd.h"
#include "SelTrack.h"
#include "Events.h"
// forward declaration
class CPreview;
#define NEWTOOLBAR_TOPMARGIN 8
#define NEWTOOLBAR_BOTTOMMARGIN 8
#define NEWTOOLBAR_BOTTOMMARGIN_CTRLMODE 12
#define TIMER_ANIMATION 42
#define TIMER_SLIDESHOW 43
#define TIMER_TOOLBAR 44
#define TIMER_DATAOBJECT 45
#define TIMER_BUSYCURSOR 46
#define TIMER_RESETSCREENSAVER 47
#define DEFAULT_SHIMGVW_TIMEOUT 5000 // five seconds
// IV_SCROLL message parameters
#define IVS_LEFT (SB_LEFT)
#define IVS_RIGHT (SB_RIGHT)
#define IVS_LINELEFT (SB_LINELEFT)
#define IVS_LINERIGHT (SB_LINERIGHT)
#define IVS_PAGELEFT (SB_PAGELEFT)
#define IVS_PAGERIGHT (SB_PAGERIGHT)
#define IVS_UP (SB_LEFT<<16)
#define IVS_DOWN (SB_RIGHT<<16)
#define IVS_LINEUP (SB_LINELEFT<<16)
#define IVS_LINEDOWN (SB_LINERIGHT<<16)
#define IVS_PAGEUP (SB_PAGELEFT<<16)
#define IVS_PAGEDOWN (SB_PAGERIGHT<<16)
// IV_ZOOM messages
#define IVZ_CENTER 0
#define IVZ_POINT 1
#define IVZ_RECT 2
#define IVZ_ZOOMIN 0x00000000
#define IVZ_ZOOMOUT 0x00010000
// IV_SETOPTIONS and IV_GETOPTIONS messages
#define IVO_TOOLBAR 0
#define IVO_PRINTBTN 1
#define IVO_FULLSCREENBTN 2
#define IVO_CONTEXTMENU 3
#define IVO_PRINTABLE 4
#define IVO_ALLOWGOONLINE 5
#define IVO_DISABLEEDIT 6
// three modes of preview control
#define CONTROL_MODE 0 // embedded in an activeX control
#define WINDOW_MODE 1 // regular window app window
#define SLIDESHOW_MODE 2 // full screen, no menu/title/hides tray
// priority levels for the various tasks
#define PRIORITY_PRIMARYDECODE 0x40000000
#define PRIORITY_FRAMECACHE 0x30000000
#define PRIORITY_LOOKAHEADCACHE 0x20000000
#define PRIORITY_SLIDESHOWENUM 0x10000000
// these values determine which buttons are hidden, enabled, or disabled based on multi-page state
#define MPCMD_HIDDEN 0
#define MPCMD_FIRSTPAGE 1
#define MPCMD_MIDDLEPAGE 2
#define MPCMD_LASTPAGE 3
#define MPCMD_DISABLED 4
#define GTIDFM_DECODE 0
#define GTIDFM_DRAW 1
void GetTaskIDFromMode(DWORD dwTask, DWORD dwMode, TASKOWNERID *ptoid);
enum EViewerToolbarButtons;
class CPreviewWnd : public INamespaceWalkCB, public IDropTarget, public CWindowImpl<CPreviewWnd>,
public IServiceProvider, public IImgCmdTarget
{
public:
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// INamespaceWalkCB
STDMETHODIMP FoundItem(IShellFolder *psf, LPCITEMIDLIST pidl);
STDMETHODIMP EnterFolder(IShellFolder *psf, LPCITEMIDLIST pidl);
STDMETHODIMP LeaveFolder(IShellFolder *psf, LPCITEMIDLIST pidl);
STDMETHOD(InitializeProgressDialog)(LPWSTR *ppszTitle, LPWSTR *ppszCancel)
{ *ppszTitle = NULL; *ppszCancel = NULL; return E_NOTIMPL; }
// IDropTarget
STDMETHODIMP DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
STDMETHODIMP DragOver(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
STDMETHODIMP DragLeave();
STDMETHODIMP Drop(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
// IServiceProvider
STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppv);
// IImgCmdTarget
STDMETHODIMP GetMode(DWORD * pdw);
STDMETHODIMP GetPageFlags(DWORD * pdw);
STDMETHODIMP ZoomIn();
STDMETHODIMP ZoomOut();
STDMETHODIMP ActualSize();
STDMETHODIMP BestFit();
STDMETHODIMP Rotate(DWORD dwAngle);
STDMETHODIMP NextPage();
STDMETHODIMP PreviousPage();
CGraphicsInit m_cgi; // we call gdi+ directly -- make sure GDI+ is ready for us
CContainedWindow m_ctlToolbar;
CZoomWnd m_ctlPreview;
CContainedWindow m_ctlEdit;
CPreviewWnd *m_pcwndSlideShow;
CPreviewWnd();
~CPreviewWnd();
HRESULT Initialize(CPreviewWnd* pother, DWORD dwMode, BOOL bExitApp);
BOOL TryWindowReuse(IDataObject *pdtobj);
BOOL TryWindowReuse(LPCTSTR pszFilename);
void OpenFile(HWND hwnd, LPCTSTR pszFile);
void OpenFileList(HWND hwnd, IDataObject *pdtobj);
LRESULT ShowFile(LPCTSTR pszFile, UINT cItems, BOOL fReshow = false);
HRESULT WalkItemsToPreview(IUnknown* punk);
void PreviewItems();
HRESULT PreviewItemsFromUnk(IUnknown *punk);
BOOL CreateViewerWindow();
BOOL CreateSlideshowWindow(UINT cWalkDepth);
void SetNotify(CEvents * pEvents);
void SetPalette(HPALETTE hpal);
BOOL GetPrintable();
int TranslateAccelerator(LPMSG lpmsg);
HRESULT SetSite(IUnknown *punk);
HRESULT SaveAs(BSTR bstrPath);
IUnknown *GetSite() {return m_punkSite;};
HRESULT SetWallpaper(BSTR bstrPath);
HRESULT StartSlideShow(IUnknown *punk);
void StatusUpdate(int iStatus); // used to set m_ctlPreview.m_iStrID to display correct status message
void SetCaptionInfo(LPCTSTR szPath);
// The following functions are called from the ZoomWnd
BOOL OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL OnMouseDown(UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL OnSetCursor(UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL OnSetColor(HDC hdc);
BOOL GetColor(COLORREF * pref);
void OnDraw(HDC hdc); // called after the Zoomwnd has painted but before calling EndPaint
void OnDrawComplete();
DECLARE_WND_CLASS(TEXT("ShImgVw:CPreviewWnd"));
BEGIN_MSG_MAP(CPreviewWnd)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
MESSAGE_HANDLER(WM_CLOSE, OnClose)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_APPCOMMAND, OnAppCommand)
MESSAGE_HANDLER(WM_MEASUREITEM, OnMenuMessage);
MESSAGE_HANDLER(WM_DRAWITEM, OnMenuMessage);
MESSAGE_HANDLER(WM_INITMENUPOPUP, OnMenuMessage);
COMMAND_RANGE_HANDLER(ID_FIRSTTOOLBARCMD, ID_LASTTOOLBARCMD, OnToolbarCommand)
COMMAND_RANGE_HANDLER(ID_FIRSTEDITCMD, ID_LASTEDITCMD, OnEditCommand)
COMMAND_RANGE_HANDLER(ID_FIRSTPOSITIONCMD, ID_LASTPOSITIONCMD, OnPositionCommand)
COMMAND_RANGE_HANDLER(ID_FIRSTSLIDESHOWCMD, ID_LASTSLIDESHOWCMD, OnSlideshowCommand)
NOTIFY_CODE_HANDLER(TTN_NEEDTEXT, OnNeedText)
NOTIFY_CODE_HANDLER(TBN_DROPDOWN, OnDropDown)
MESSAGE_HANDLER(WM_MOUSEWHEEL, OnWheelTurn)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
MESSAGE_HANDLER(WM_CONTEXTMENU, OnContextMenu)
MESSAGE_HANDLER(WM_TIMER, OnTimer)
MESSAGE_HANDLER(IV_SETIMAGEDATA, IV_OnSetImageData)
MESSAGE_HANDLER(IV_SCROLL, IV_OnIVScroll)
MESSAGE_HANDLER(IV_SETOPTIONS, IV_OnSetOptions)
MESSAGE_HANDLER(WM_COPYDATA, OnCopyData)
MESSAGE_HANDLER(WM_KEYDOWN, OnKeyEvent)
MESSAGE_HANDLER(WM_CHAR, OnKeyEvent)
MESSAGE_HANDLER(WM_ENTERMENULOOP, OnKeyEvent)
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPrintClient)
MESSAGE_HANDLER(IV_ONCHANGENOTIFY, OnChangeNotify)
MESSAGE_HANDLER(WM_SYSCOMMAND, OnSysCommand)
MESSAGE_HANDLER(IV_ISAVAILABLE, OnIsAvailable)
ALT_MSG_MAP(1)
// messages for the toolbar
MESSAGE_HANDLER(WM_KEYDOWN, OnTBKeyEvent)
MESSAGE_HANDLER(WM_KEYUP, OnTBKeyEvent)
MESSAGE_HANDLER(WM_MOUSEMOVE, OnTBMouseMove)
MESSAGE_HANDLER(WM_MOUSELEAVE, OnTBMouseLeave)
ALT_MSG_MAP(2)
MESSAGE_HANDLER(WM_KEYDOWN, OnEditKeyEvent)
END_MSG_MAP()
LRESULT IV_OnSetOptions(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
protected:
LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnWheelTurn(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnNeedText(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
LRESULT OnDropDown(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
LRESULT OnToolbarCommand(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
LRESULT OnEditCommand(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
LRESULT OnPositionCommand(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
LRESULT OnSlideshowCommand(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnAppCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnMenuMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnCopyData(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnKeyEvent(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnSysCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& fHandled);
LRESULT OnChangeNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnIsAvailable(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
BOOL OnNonSlideShowTab();
// Image generation message handlers and functions
LRESULT IV_OnSetImageData(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnShowFileMsg(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT IV_OnIVScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// Toolbar message handlers (both toolbars)
LRESULT OnPrintClient(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnTBKeyEvent(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnTBMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnTBMouseLeave(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// Edit control message handlers
LRESULT OnEditKeyEvent(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// DropDown handlers for the various dropdown buttons
VOID _DropDownPageList(LPNMTOOLBAR pnmTB);
BOOL CreateToolbar();
BOOL _CreateViewerToolbar();
void _InitializeViewerToolbarButtons(HWND hwndToolbar, const TBBUTTON c_tbbuttons[], size_t c_nButtons, TBBUTTON tbbuttons[], size_t nButtons);
inline UINT _IndexOfViewerToolbarButton(EViewerToolbarButtons eButton);
BOOL _CreateSlideshowToolbar();
void _InitializeToolbar(HWND hwndTB, int idLow, int idLowHot, int idHigh, int idHighHot);
void _UpdatePageNumber();
void _SetMultipageCommands();
void _SetMultiImagesCommands();
void _SetEditCommands();
void _ResetScreensaver();
HRESULT _SaveAsCmd();
void _PropertiesCmd();
void _OpenCmd();
BOOL _ReShowingSameFile(LPCTSTR pszFile);
BOOL _VerbExists(LPCTSTR pszVerb);
HRESULT _InvokeVerb(LPCTSTR pszVerb, LPCTSTR pszParameters=NULL);
void _InvokePrintWizard();
// void _InvokeVerbOnPidlArray(LPCSTR pszVerb);
// Shared functions for Annotation and Cropping
void _RefreshSelection(BOOL fDeselect = false);
void _UpdateButtons(WORD wID);
// Annotation Functions
BOOL _CanAnnotate(CDecodeTask * pImageData);
void _SetAnnotatingCommands(BOOL fEnableAnnotations);
void _SetupAnnotatingTracker(CSelectionTracker& tracker, BOOL bEditing=FALSE);
void _UpdateAnnotatingSelection(BOOL fDeselect = false);
void _RemoveAnnotatingSelection();
BOOL _OnMouseDownForAnnotating(UINT uMsg, WPARAM wParam, LPARAM lParam);
void _OnMouseDownForAnnotatingHelper(CPoint ptMouse, CRect rectImage);
void _CreateAnnotation(CRect rect);
void _CreateFreeHandAnnotation(CPoint ptMouse);
void _StartEditing(BOOL bUpdateText = TRUE);
void _HideEditing();
void _StopEditing();
static BOOL_PTR CALLBACK _AnnoPropsDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
//Cropping Functions
BOOL _CanCrop(CDecodeTask * pImageData);
void _SetCroppingCommands(BOOL fEnableCropping);
void _SetupCroppingTracker(CSelectionTracker& tracker);
void _UpdateCroppingSelection();
BOOL _OnMouseDownForCropping(UINT uMsg, WPARAM wParam, LPARAM lParam);
// Other functions
void _SetNewImage(CDecodeTask * pImageData);
void _UpdateImage();
// Private methods to create the webviewer
HRESULT _CreateWebViewer();
BOOL _IsThumbnail(LPCTSTR pszPath);
HRESULT _CopyImages(IStorage* pstgSrc, IStorage* pstgDest, UINT cItems, HDPA hdpaItems);
HRESULT _CopyImages_SetupProgress(IProgressDialog** ppProgress, LPWSTR pwszBanner);
HRESULT _CopyThumbnails(LPITEMIDLIST pidlDest, UINT cItems, HDPA hdpaItems, BOOL* fThumbWritten);
HRESULT _WriteThumbs(IStream* pstrm, UINT uiTemplateResource, UINT cItems, HDPA hdpaItems);
LPSTR _GetImageList(UINT cItems, HDPA hdpaItems, BOOL fAddSuffix);
HRESULT _GetSelectedImages(HDPA* phdpaItems);
HRESULT _FormatHTML(UINT cItems, HDPA hdpaItems, LPSTR pszTemplate, DWORD cbTemplateSize, LPSTR psz1, LPSTR psz2, UINT ui1, LPSTR* ppszOut);
HRESULT _FormatHTMLNet(UINT cItems, HDPA hdpaItems, LPSTR pszTemplate, DWORD cbTemplateSize, LPSTR psz1, UINT ui1, LPSTR* ppszOut);
HRESULT _WriteHTML(IStorage* pStgDest, UINT cItems, HDPA hdpaItems);
DWORD _GetFilterStringForSave(LPTSTR szFilter, size_t cbFilter, LPTSTR szExt);
HRESULT _SaveIfDirty(BOOL fCanCancel = false);
HRESULT _PreviewFromStream(IStream * pSteam, UINT iItem, BOOL fUpdateCaption);
HRESULT _PreviewFromFile(LPCTSTR pszFilename, UINT iItem, BOOL fUpdateCaption);
void FlushBitmapMessages();
HRESULT _ShowNextSlide(BOOL bGoBack);
HRESULT _StartDecode(UINT iIndex, BOOL fUpdateCaption);
HRESULT _PreLoadItem(UINT iIndex);
HRESULT _PreviewItem(UINT iIndex);
BOOL _TrySetImage();
void _RemoveFromArray(UINT iItem);
HRESULT _DeleteCurrentSlide();
BOOL _CloseSlideshowWindow();
void SetCursorState(DWORD dwType);
void ShowSSToolbar(BOOL bShow, BOOL bForce = FALSE);
void TogglePlayState();
void _ClearDPA();
HRESULT _GetItem(UINT iItem, LPITEMIDLIST *ppidl);
HRESULT GetCurrentIDList(LPITEMIDLIST *ppidl); // gets the dynamically generated title for this window
HRESULT PathFromImageData(LPTSTR pszFile, UINT cch);
HRESULT ImageDataSave(LPCTSTR pszFile, BOOL bShowUI);
void MenuPoint(LPARAM lParam, int *px, int *py);
BOOL _IsImageFile(LPCTSTR pszFileName);
BOOL _BuildDecoderList();
HRESULT _PrevNextPage(BOOL fForward);
Image *_BurnAnnotations(IShellImageData *pSID);
void _RegisterForChangeNotify(BOOL fRegister);
BOOL _ShouldDisplayAnimations();
BOOL m_fHidePrintBtn;
BOOL m_fAllowContextMenu;
BOOL m_fDisableEdit; // if true, editing is disabled, defaults to FALSE.
BOOL m_fCanSave;
BOOL m_fShowToolbar;
BOOL m_fWarnQuietSave;
BOOL m_fWarnNoSave;
BOOL m_fCanAnnotate; // if true, allows annotation, defaults to FALSE.
BOOL m_fAnnotating; // if true, we are in annotating mode, default to false
HDPA m_hdpaSelectedAnnotations;
BOOL m_fDirty;
WORD m_wNewAnnotation;
HFONT m_hFont;
BOOL m_fEditingAnnotation;
BOOL m_fCanCrop;
BOOL m_fCropping;
CRect m_rectCropping; // Cropping Rectangle in Image Coordinates.
BOOL m_fBusy; // we are displaying the hourglass-and-pointer cursor
HCURSOR m_hCurOld;
HCURSOR m_hCurrent;
BOOL m_fClosed;
BOOL m_fPrintable;
BOOL m_fExitApp;
DWORD m_dwMode; // three modes: CONTROL_MODE, WINDOW_MODE, SLIDESHOW_MODE
BOOL m_fIgnoreUITimers; // should we ignore timer messages (used when context menu is up, don't hide toolbar)
HACCEL m_haccel;
CEvents * m_pEvents; // pointer to our parent control event object. NULL if we aren't running as a control.
LPITEMIDLIST* m_ppidls; // pidls of already shown items
UINT m_cItems; // # of items in m_ppidls
UINT m_iCurSlide; // index into m_ppidls
CDecodeTask* m_pImageData; // The image data for the decoded image to be viewed
HDPA m_hdpaItems; // pidls of already shown items
BOOL m_fPaused; // slide show paused
BOOL m_fToolbarHidden; // toolbar hidden in slide show mode
BOOL m_fGoBack; // direction of the slide show
BOOL m_fTBTrack; // true if we're tracking mouse for toolbar
BOOL m_fWasEdited; // true if we edited the image
UINT m_uTimeout;
int m_iSSToolbarSelect; // selection in toolbar (used for keyboard support in Whistler)
IUnknown* m_punkSite;
HPALETTE m_hpal; // the palette to use if in palette mode.
IShellImageDataFactory * m_pImageFactory; // for decoding images
DWORD m_dwMultiPageMode; // for remembering the state of the prev/next page commands
EXECUTION_STATE m_esFlags; // execution flags, stored to restore after we re-enable monitor's power saving mode
HWND _hWndPageList;
IContextMenu3 *_pcm3;
IShellTaskScheduler * m_pTaskScheduler; // for managing a worker thread
CDecodeTask * m_pNextImageData;
UINT m_iDecodingNextImage;
ImageCodecInfo *m_pici;
UINT m_cDecoders;
IDataObject *_pdtobj; // reused data object for passing data from oncopydata to ontimer
BOOL m_fPromptingUser;
BOOL m_fFirstTime;
BOOL m_fFirstItem;
DWORD m_dwEffect;
BOOL m_fIgnoreNextNotify;
ULONG m_uRegister;
BOOL m_fNoRestore;
private:
BOOL m_bRTLMirrored; // true if m_hWnd is RTL mirrored
UINT m_cWalkDepth;
};
#define REGSTR_SHIMGVW TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellImageView")
#define REGSTR_MAXIMIZED TEXT("Maximize")
#define REGSTR_BOUNDS TEXT("Bounds")
#define REGSTR_FONT TEXT("Font")
#define REGSTR_BACKCOLOR TEXT("BackColor")
#define REGSTR_LINECOLOR TEXT("LineColor")
#define REGSTR_TEXTCOLOR TEXT("TextColor")
#define REGSTR_LINEWIDTH TEXT("LineWidth")
#define REGSTR_TIMEOUT TEXT("Timeout")
#define REGSTR_DONTSHOWME TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\DontShowMeThisDialogAgain")
#define REGSTR_SAVELESS TEXT("ShellImageViewWarnOnSavelessRotate")
#define REGSTR_LOSSYROTATE TEXT("ShellImageViewWarnOnLossyRotate")
#endif