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tdepim/kmail/kmreaderwin.h

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17 KiB

// -*- mode: C++; c-file-style: "gnu" -*-
// Header for kmreaderwin the kmail reader
// written by Markus Wuebben <markus.wuebben@kde.org>
#ifndef KMREADERWIN_H
#define KMREADERWIN_H
#include <tqwidget.h>
#include <tqtimer.h>
#include <tqstringlist.h>
#include <kurl.h>
#include <kservice.h>
#include "kmmsgbase.h"
#include "kmmimeparttree.h" // Needed for friend declaration.
#include "interfaces/observer.h"
class TQFrame;
class TQSplitter;
class TQHBox;
class TQListViewItem;
class TQScrollBar;
class TQString;
class TQTabDialog;
class TQTextCodec;
class DwHeaders;
class DwMediaType;
class KActionCollection;
class KAction;
class KActionMenu;
class KSelectAction;
class KRadioAction;
class KToggleAction;
class KConfigBase;
class KHTMLPart;
class KURL;
class KMFolder;
class KMMessage;
class KMMessagePart;
namespace KMail {
namespace Interface {
class Observable;
}
class PartMetaData;
class ObjectTreeParser;
class AttachmentStrategy;
class HeaderStrategy;
class HeaderStyle;
class HtmlWriter;
class KHtmlPartHtmlWriter;
class ISubject;
class HtmlStatusBar;
class FolderJob;
class CSSHelper;
}
class partNode; // might be removed when KMime is used instead of mimelib
// (khz, 29.11.2001)
class NewByteArray; // providing operator+ on a TQByteArray (khz, 21.06.2002)
namespace KParts {
struct URLArgs;
}
/**
This class implements a "reader window", that is a window
used for reading or viewing messages.
*/
class KMReaderWin: public TQWidget, public KMail::Interface::Observer {
Q_OBJECT
friend void KMMimePartTree::itemClicked( TQListViewItem* item );
friend void KMMimePartTree::itemRightClicked( TQListViewItem* item, const TQPoint & );
friend void KMMimePartTree::slotSaveAs();
friend void KMMimePartTree::startDrag();
friend class KMail::ObjectTreeParser;
friend class KMail::KHtmlPartHtmlWriter;
public:
KMReaderWin( TQWidget *parent,
TQWidget *mainWindow,
KActionCollection *actionCollection,
const char *name=0,
int f=0 );
virtual ~KMReaderWin();
/**
\reimp from Interface::Observer
Updates the current message
*/
void update( KMail::Interface::Observable * );
/** Read settings from app's config file. */
void readConfig();
/** Write settings to app's config file. Calls sync() if withSync is TRUE. */
void writeConfig( bool withSync=true ) const;
const KMail::HeaderStyle * headerStyle() const {
return mHeaderStyle;
}
/** Set the header style and strategy. We only want them to be set
together. */
void setHeaderStyleAndStrategy( const KMail::HeaderStyle * style,
const KMail::HeaderStrategy * strategy );
/** Getthe message header strategy. */
const KMail::HeaderStrategy * headerStrategy() const {
return mHeaderStrategy;
}
/** Get/set the message attachment strategy. */
const KMail::AttachmentStrategy * attachmentStrategy() const {
return mAttachmentStrategy;
}
void setAttachmentStrategy( const KMail::AttachmentStrategy * strategy );
/** Get selected override character encoding.
@return The encoding selected by the user or an empty string if auto-detection
is selected. */
TQString overrideEncoding() const { return mOverrideEncoding; }
/** Set the override character encoding. */
void setOverrideEncoding( const TQString & encoding );
void setPrintFont( const TQFont& font );
/** Get codec corresponding to the currently selected override character encoding.
@return The override codec or 0 if auto-detection is selected. */
const TQTextCodec * overrideCodec() const;
/** Set printing mode */
virtual void setPrinting(bool enable) { mPrinting = enable; }
/** Set the message that shall be shown. If msg is 0, an empty page is
displayed. */
virtual void setMsg(KMMessage* msg, bool force = false);
/** Instead of settings a message to be shown sets a message part
to be shown */
void setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
const TQString& aFileName, const TQString& pname );
void setMsgPart( partNode * node );
/** Show or hide the Mime Tree Viewer if configuration
is set to smart mode. */
void showHideMimeTree( bool isPlainTextTopLevel );
/** Store message id of last viewed message,
normally no need to call this function directly,
since correct value is set automatically in
parseMsg(KMMessage* aMsg, bool onlyProcessHeaders). */
void setIdOfLastViewedMessage( const TQString & msgId )
{ mIdOfLastViewedMessage = msgId; }
/** Clear the reader and discard the current message. */
void clear(bool force = false) { setMsg(0, force); }
/** Saves the relative position of the scroll view. Call this before calling update()
if you want to preserve the current view. */
void saveRelativePosition();
/** Re-parse the current message. */
void update(bool force = false);
/** Print current message. */
virtual void printMsg(void);
/** Return selected text */
TQString copyText();
/** Get/set auto-delete msg flag. */
bool autoDelete(void) const { return mAutoDelete; }
void setAutoDelete(bool f) { mAutoDelete=f; }
/** Override default html mail setting */
bool htmlOverride() const { return mHtmlOverride; }
void setHtmlOverride( bool override );
/** Override default load external references setting */
bool htmlLoadExtOverride() const { return mHtmlLoadExtOverride; }
void setHtmlLoadExtOverride( bool override );
/** Is html mail to be supported? Takes into account override */
bool htmlMail();
/** Is loading ext. references to be supported? Takes into account override */
bool htmlLoadExternal();
/** Returns the MD5 hash for the list of new features */
static TQString newFeaturesMD5();
/** Display a generic HTML splash page instead of a message */
void displaySplashPage( const TQString &info );
/** Display the about page instead of a message */
void displayAboutPage();
/** Display the 'please wait' page instead of a message */
void displayBusyPage();
/** Display the 'we are currently in offline mode' page instead of a message */
void displayOfflinePage();
/** Enable the displaying of messages again after an URL was displayed */
void enableMsgDisplay();
/** View message part of type message/RFC822 in extra viewer window. */
void atmViewMsg(KMMessagePart* msgPart);
bool atBottom() const;
bool isFixedFont() { return mUseFixedFont; }
void setUseFixedFont( bool useFixedFont ) { mUseFixedFont = useFixedFont; }
/** Return the HtmlWriter connected to the KHTMLPart we use */
KMail::HtmlWriter * htmlWriter() { return mHtmlWriter; }
// Action to reply to a message
// but action( "some_name" ) some name could be used instead.
KToggleAction *toggleFixFontAction() { return mToggleFixFontAction; }
KAction *mailToComposeAction() { return mMailToComposeAction; }
KAction *mailToReplyAction() { return mMailToReplyAction; }
KAction *mailToForwardAction() { return mMailToForwardAction; }
KAction *addAddrBookAction() { return mAddAddrBookAction; }
KAction *openAddrBookAction() { return mOpenAddrBookAction; }
KAction *copyAction() { return mCopyAction; }
KAction *selectAllAction() { return mSelectAllAction; }
KAction *copyURLAction() { return mCopyURLAction; }
KAction *urlOpenAction() { return mUrlOpenAction; }
KAction *urlSaveAsAction() { return mUrlSaveAsAction; }
KAction *addBookmarksAction() { return mAddBookmarksAction;}
KAction *startImChatAction() { return mStartIMChatAction; }
// This function returns the complete data that were in this
// message parts - *after* all encryption has been removed that
// could be removed.
// - This is used to store the message in decrypted form.
void objectTreeToDecryptedMsg( partNode* node,
NewByteArray& resultingData,
KMMessage& theMessage,
bool weAreReplacingTheRootNode = false,
int recCount = 0 );
/** Returns message part from given URL or null if invalid. */
partNode* partNodeFromUrl(const KURL &url);
partNode * partNodeForId( int id );
KURL tempFileUrlFromPartNode( const partNode * node );
/** Returns id of message part from given URL or -1 if invalid. */
static int msgPartFromUrl(const KURL &url);
void setUpdateAttachment( bool update = true ) { mAtmUpdate = update; }
/** Access to the KHTMLPart used for the viewer. Use with
care! */
KHTMLPart * htmlPart() const { return mViewer; }
/** Returns the current message or 0 if none. */
KMMessage* message(KMFolder** folder=0) const;
void openAttachment( int id, const TQString & name );
void emitUrlClicked( const KURL & url, int button ) {
emit urlClicked( url, button );
}
void emitPopupMenu( const KURL & url, const TQPoint & p ) {
if ( message() )
emit popupMenu( *message(), url, p );
}
void showAttachmentPopup( int id, const TQString & name, const TQPoint & p );
/** Set the serial number of the message this reader window is currently
* waiting for. Used to discard updates for already deselected messages. */
void setWaitingForSerNum( unsigned long serNum ) { mWaitingForSerNum = serNum; }
TQWidget* mainWindow() { return mMainWindow; }
/** Returns wether the message should be decryted. */
bool decryptMessage() const;
/** Enforce message decryption. */
void setDecryptMessageOverwrite( bool overwrite = true ) { mDecrytMessageOverwrite = overwrite; }
/** Show signature details. */
bool showSignatureDetails() const { return mShowSignatureDetails; }
/** Show signature details. */
void setShowSignatureDetails( bool showDetails = true ) { mShowSignatureDetails = showDetails; }
/* show or hide the list that points to the attachments */
bool showAttachmentQuicklist() const { return mShowAttachmentQuicklist; }
/* show or hide the list that points to the attachments */
void setShowAttachmentQuicklist( bool showAttachmentQuicklist = true ) { mShowAttachmentQuicklist = showAttachmentQuicklist; }
signals:
/** Emitted after parsing of a message to have it stored
in unencrypted state in it's folder. */
void replaceMsgByUnencryptedVersion();
/** The user presses the right mouse button. 'url' may be 0. */
void popupMenu(KMMessage &msg, const KURL &url, const TQPoint& mousePos);
/** The user has clicked onto an URL that is no attachment. */
void urlClicked(const KURL &url, int button);
/** Pgp displays a password dialog */
void noDrag(void);
public slots:
/** Select message body. */
void selectAll();
/** Force update even if message is the same */
void clearCache();
/** Refresh the reader window */
void updateReaderWin();
/** HTML Widget scrollbar and layout handling. */
void slotScrollUp();
void slotScrollDown();
void slotScrollPrior();
void slotScrollNext();
void slotJumpDown();
void slotDocumentChanged();
void slotDocumentDone();
void slotTextSelected(bool);
/** An URL has been activate with a click. */
void slotUrlOpen(const KURL &url, const KParts::URLArgs &args);
/** The mouse has moved on or off an URL. */
void slotUrlOn(const TQString &url);
/** The user presses the right mouse button on an URL. */
void slotUrlPopup(const TQString &, const TQPoint& mousePos);
/** The user selected "Find" from the menu. */
void slotFind();
/** The user selected "Find Next" from the menu. */
void slotFindNext();
/** The user toggled the "Fixed Font" flag from the view menu. */
void slotToggleFixedFont();
/** Copy the selected text to the clipboard */
void slotCopySelectedText();
void slotUrlClicked();
/** Operations on mailto: URLs. */
void slotMailtoReply();
void slotMailtoCompose();
void slotMailtoForward();
void slotMailtoAddAddrBook();
void slotMailtoOpenAddrBook();
/** Copy URL in mUrlCurrent to clipboard. Removes "mailto:" at
beginning of URL before copying. */
void slotUrlCopy();
void slotUrlOpen( const KURL &url = KURL() );
/** Save the page to a file */
void slotUrlSave();
void slotAddBookmarks();
void slotSaveMsg();
void slotSaveAttachments();
void slotMessageArrived( KMMessage *msg );
/** start IM Chat with addressee */
void slotIMChat();
void contactStatusChanged( const TQString &uid);
void slotLevelQuote( int l );
void slotTouchMessage();
void slotDeleteAttachment( partNode* node );
void slotEditAttachment( partNode* node );
KMail::CSSHelper* cssHelper();
protected slots:
void slotCycleHeaderStyles();
void slotBriefHeaders();
void slotFancyHeaders();
void slotEnterpriseHeaders();
void slotStandardHeaders();
void slotLongHeaders();
void slotAllHeaders();
void slotCycleAttachmentStrategy();
void slotIconicAttachments();
void slotSmartAttachments();
void slotInlineAttachments();
void slotHideAttachments();
/** Some attachment operations. */
void slotAtmView( int id, const TQString& name );
void slotDelayedResize();
void slotHandleAttachment( int );
protected:
/** reimplemented in order to update the frame width in case of a changed
GUI style */
void styleChange( TQStyle& oldStyle );
/** Set the width of the frame to a reasonable value for the current GUI
style */
void setStyleDependantFrameWidth();
/** Watch for palette changes */
virtual bool event(TQEvent *e);
/** Calculate the pixel size */
int pointsToPixel(int pointSize) const;
/** Feeds the HTML viewer with the contents of the given message.
HTML begin/end parts are written around the message. */
void displayMessage();
/** Parse given message and add it's contents to the reader window. */
virtual void parseMsg( KMMessage* msg );
/** Creates a nice mail header depending on the current selected
header style. */
TQString writeMsgHeader(KMMessage* aMsg, bool hasVCard=false, bool topLevel=false);
/** Writes the given message part to a temporary file and returns the
name of this file or TQString::null if writing failed.
*/
TQString writeMessagePartToTempFile( KMMessagePart* msgPart, int partNumber );
/**
Creates a temporary dir for saving attachments, etc.
Will be automatically deleted when another message is viewed.
@param param Optional part of the directory name.
*/
TQString createTempDir( const TQString &param = TQString() );
/** show window containing infos about a vCard. */
void showVCard(KMMessagePart *msgPart);
/** HTML initialization. */
virtual void initHtmlWidget(void);
/** Some necessary event handling. */
virtual void closeEvent(TQCloseEvent *);
virtual void resizeEvent(TQResizeEvent *);
/** Cleanup the attachment temp files */
virtual void removeTempFiles();
/** Event filter */
bool eventFilter( TQObject *obj, TQEvent *ev );
private slots:
void slotSetEncoding();
void injectAttachments();
private:
void adjustLayout();
void createWidgets();
void createActions( KActionCollection * ac );
void saveSplitterSizes( KConfigBase & c ) const;
KRadioAction * actionForHeaderStyle( const KMail::HeaderStyle *,
const KMail::HeaderStrategy * );
KRadioAction * actionForAttachmentStrategy( const KMail::AttachmentStrategy * );
/** Read override codec from configuration */
void readGlobalOverrideCodec();
TQString renderAttachments( partNode *node, const TQColor &bgColor );
private:
bool mHtmlMail, mHtmlLoadExternal, mHtmlOverride, mHtmlLoadExtOverride;
int mAtmCurrent;
TQString mAtmCurrentName;
KMMessage *mMessage;
// widgets:
TQSplitter * mSplitter;
TQHBox *mBox;
KMail::HtmlStatusBar *mColorBar;
KMMimePartTree* mMimePartTree;
KHTMLPart *mViewer;
const KMail::AttachmentStrategy * mAttachmentStrategy;
const KMail::HeaderStrategy * mHeaderStrategy;
const KMail::HeaderStyle * mHeaderStyle;
bool mAutoDelete;
/** where did the user save the attachment last time */
TQString mSaveAttachDir;
static const int delay;
TQTimer mUpdateReaderWinTimer;
TQTimer mResizeTimer;
TQTimer mDelayedMarkTimer;
TQString mOverrideEncoding;
TQString mOldGlobalOverrideEncoding; // used to detect changes of the global override character encoding
bool mMsgDisplay;
bool mNoMDNsWhenEncrypted;
unsigned long mLastSerNum;
KMMsgStatus mLastStatus;
KMail::CSSHelper * mCSSHelper;
bool mUseFixedFont;
bool mPrinting;
bool mShowColorbar;
//bool mShowCompleteMessage;
TQStringList mTempFiles;
TQStringList mTempDirs;
int mMimeTreeMode;
bool mMimeTreeAtBottom;
TQValueList<int> mSplitterSizes;
partNode* mRootNode;
TQString mIdOfLastViewedMessage;
TQWidget *mMainWindow;
KActionCollection *mActionCollection;
KAction *mMailToComposeAction, *mMailToReplyAction, *mMailToForwardAction,
*mAddAddrBookAction, *mOpenAddrBookAction, *mCopyAction, *mCopyURLAction,
*mUrlOpenAction, *mUrlSaveAsAction, *mAddBookmarksAction, *mStartIMChatAction, *mSelectAllAction;
KSelectAction *mSelectEncodingAction;
KToggleAction *mToggleFixFontAction;
KURL mUrlClicked;
KMail::HtmlWriter * mHtmlWriter;
// an attachment should be updated
bool mAtmUpdate;
int mChoice;
unsigned long mWaitingForSerNum;
float mSavedRelativePosition;
int mLevelQuote;
bool mDecrytMessageOverwrite;
bool mShowSignatureDetails;
bool mShowAttachmentQuicklist;
};
#endif