xpdfviewer.cc

将pdf文档转换为高质量的html文档

    XtManageChild(panedWin);

    // scrolled window for outline container
    n = 0;
    XtSetArg(args[n], XmNpositionIndex, 0); ++n;
    XtSetArg(args[n], XmNallowResize, True); ++n;
    XtSetArg(args[n], XmNpaneMinimum, 1); ++n;
    XtSetArg(args[n], XmNpaneMaximum, 10000); ++n;
#if !(defined(__sgi) && (XmVERSION <= 1))
    XtSetArg(args[n], XmNwidth, 1); ++n;
#endif
    XtSetArg(args[n], XmNscrollingPolicy, XmAUTOMATIC); ++n;
    outlineScroll = XmCreateScrolledWindow(panedWin, "outlineScroll", args, n);
    XtManageChild(outlineScroll);
    XtVaGetValues(outlineScroll, XmNclipWindow, &clipWin, NULL);
    XtVaSetValues(clipWin, XmNbackground, app->getPaperPixel(), NULL);

    // outline tree
    n = 0;
    XtSetArg(args[n], XmNbackground, app->getPaperPixel()); ++n;
    outlineTree = XPDFCreateTree(outlineScroll, "outlineTree", args, n);
    XtManageChild(outlineTree);
    XtAddCallback(outlineTree, XPDFNselectionCallback, &outlineSelectCbk,
		  (XtPointer)this);

    // core
    core = new XPDFCore(win, panedWin,
			app->getPaperRGB(), app->getPaperPixel(),
			app->getMattePixel(),
			app->getFullScreen(), app->getReverseVideo(),
			app->getInstallCmap(), app->getRGBCubeSize());
    core->setUpdateCbk(&updateCbk, this);
    core->setActionCbk(&actionCbk, this);
    core->setKeyPressCbk(&keyPressCbk, this);
    core->setMouseCbk(&mouseCbk, this);
    n = 0;
    XtSetArg(args[n], XmNpositionIndex, 1); ++n;
    XtSetArg(args[n], XmNallowResize, True); ++n;
    XtSetArg(args[n], XmNpaneMinimum, 1); ++n;
    XtSetArg(args[n], XmNpaneMaximum, 10000); ++n;
    XtSetValues(core->getWidget(), args, n);
  }
#endif

  // set the zoom menu to match the initial zoom setting
  setZoomVal(core->getZoom());

  // set traversal order
  XtVaSetValues(core->getDrawAreaWidget(),
		XmNnavigationType, XmEXCLUSIVE_TAB_GROUP, NULL);
  XtVaSetValues(backBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(prevTenPageBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(prevPageBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(nextPageBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(nextTenPageBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(forwardBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(pageNumText, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(zoomWidget, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(findBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(printBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(aboutBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);
  XtVaSetValues(quitBtn, XmNnavigationType, XmEXCLUSIVE_TAB_GROUP,
		NULL);

  // popup menu
  n = 0;
#if XmVersion < 1002
  // older versions of Motif need this, newer ones choke on it,
  // sometimes not displaying the menu at all, maybe depending on the
  // state of the NumLock key (taken from DDD)
  XtSetArg(args[n], XmNmenuPost, "<Btn3Down>"); ++n;
#endif
  popupMenu = XmCreatePopupMenu(core->getDrawAreaWidget(), "popupMenu",
				args, n);
  n = 0;
  s = XmStringCreateLocalized("Open...");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  s2 = XmStringCreateLocalized("O");
  XtSetArg(args[n], XmNacceleratorText, s2); ++n;
  btn = XmCreatePushButton(popupMenu, "open", args, n);
  XmStringFree(s);
  XmStringFree(s2);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&openCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Open in new window...");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  btn = XmCreatePushButton(popupMenu, "openInNewWindow", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&openInNewWindowCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Reload");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  s2 = XmStringCreateLocalized("R");
  XtSetArg(args[n], XmNacceleratorText, s2); ++n;
  btn = XmCreatePushButton(popupMenu, "reload", args, n);
  XmStringFree(s);
  XmStringFree(s2);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&reloadCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Save as...");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  btn = XmCreatePushButton(popupMenu, "saveAs", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&saveAsCbk, (XtPointer)this);
  n = 0;
  btn = XmCreateSeparator(popupMenu, "sep1", args, n);
  XtManageChild(btn);
  n = 0;
  s = XmStringCreateLocalized("Continuous view");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  XtSetArg(args[n], XmNindicatorType, XmN_OF_MANY); ++n;
  XtSetArg(args[n], XmNvisibleWhenOff, True); ++n;
  XtSetArg(args[n], XmNset, core->getContinuousMode() ? XmSET : XmUNSET); ++n;
  btn = XmCreateToggleButton(popupMenu, "continuousMode", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNvalueChangedCallback,
		&continuousModeToggleCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Rotate counterclockwise");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  btn = XmCreatePushButton(popupMenu, "rotateCCW", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&rotateCCWCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Rotate clockwise");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  btn = XmCreatePushButton(popupMenu, "rotateCW", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&rotateCWCbk, (XtPointer)this);
  n = 0;
  btn = XmCreateSeparator(popupMenu, "sep2", args, n);
  XtManageChild(btn);
  n = 0;
  s = XmStringCreateLocalized("Close");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  s2 = XmStringCreateLocalized("Ctrl+W");
  XtSetArg(args[n], XmNacceleratorText, s2); ++n;
  btn = XmCreatePushButton(popupMenu, "close", args, n);
  XmStringFree(s);
  XmStringFree(s2);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&closeCbk, (XtPointer)this);
  n = 0;
  s = XmStringCreateLocalized("Quit");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  s2 = XmStringCreateLocalized("Q");
  XtSetArg(args[n], XmNacceleratorText, s2); ++n;
  btn = XmCreatePushButton(popupMenu, "quit", args, n);
  XmStringFree(s);
  XmStringFree(s2);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&quitCbk, (XtPointer)this);

  // this is magic (taken from DDD) - weird things happen if this
  // call isn't made
  XtUngrabButton(core->getDrawAreaWidget(), AnyButton, AnyModifier);

  XmStringFree(emptyString);
}

void XPDFViewer::addToolTip(Widget widget, char *text) {
#ifdef XmNtoolTipString
  XmString s;
  Cardinal n, i;
  WidgetList children;

  if (XtIsComposite(widget)) {
    XtVaGetValues(widget, XmNnumChildren, &n, XmNchildren, &children, NULL);
    for (i = 0; i < n; ++i) {
      addToolTip(children[i], text);
    }
  } else {
    s = XmStringCreateLocalized(text);
    XtVaSetValues(widget, XmNtoolTipString, s, NULL);
    XmStringFree(s);
  }
#endif
}

void XPDFViewer::mapWindow() {
#ifdef HAVE_X11_XPM_H
  Pixmap iconPixmap;
#endif
  int depth;
  Pixel fg, bg, arm;

  // show the window
  XtPopup(win, XtGrabNone);
  core->takeFocus();

  // create the icon
#ifdef HAVE_X11_XPM_H
  if (XpmCreatePixmapFromData(display, XtWindow(win), xpdfIcon,
			      &iconPixmap, NULL, NULL) == XpmSuccess) {
    XtVaSetValues(win, XmNiconPixmap, iconPixmap, NULL);
  }
#endif

  // set button bitmaps (must be done after the window is mapped)
  XtVaGetValues(backBtn, XmNdepth, &depth,
		XmNforeground, &fg, XmNbackground, &bg,
		XmNarmColor, &arm, NULL);
  XtVaSetValues(backBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrow_bits,
					    backArrow_width,
					    backArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrow_bits,
					    backArrow_width,
					    backArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrowDis_bits,
					    backArrowDis_width,
					    backArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(prevTenPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrow_bits,
					    dblLeftArrow_width,
					    dblLeftArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrow_bits,
					    dblLeftArrow_width,
					    dblLeftArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrowDis_bits,
					    dblLeftArrowDis_width,
					    dblLeftArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(prevPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrow_bits,
					    leftArrow_width,
					    leftArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrow_bits,
					    leftArrow_width,
					    leftArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrowDis_bits,
					    leftArrowDis_width,
					    leftArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(nextPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrow_bits,
					    rightArrow_width,
					    rightArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrow_bits,
					    rightArrow_width,
					    rightArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrowDis_bits,
					    rightArrowDis_width,
					    rightArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(nextTenPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrow_bits,
					    dblRightArrow_width,
					    dblRightArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrow_bits,
					    dblRightArrow_width,
					    dblRightArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrowDis_bits,
					    dblRightArrowDis_width,
					    dblRightArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(forwardBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrow_bits,
					    forwardArrow_width,
					    forwardArrow_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrow_bits,
					    forwardArrow_width,
					    forwardArrow_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrowDis_bits,
					    forwardArrowDis_width,
					    forwardArrowDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(findBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)find_bits,
					    find_width,
					    find_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)find_bits,
					    find_width,
					    find_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)findDis_bits,
					    findDis_width,
					    findDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(printBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)print_bits,
					    print_width,
					    print_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)print_bits,
					    print_width,
					    print_height,
					    fg, arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)printDis_bits,
					    printDis_width,
					    printDis_height,
					    fg, bg, depth),
		NULL);
  XtVaSetValues(aboutBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)about_bits,
					    about_width,
					    about_height,
					    fg, bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)about_bits,
					    about_width,
					    about_height,
					    fg, arm, depth),
		NULL);
}

void XPDFViewer::closeWindow() {
  XtPopdown(win);
  XtDestroyWidget(win);
}

int XPDFViewer::getZoomIdx() {
#if USE_COMBO_BOX
  int z;

  XtVaGetValues(zoomComboBox, XmNselectedPosition, &z, NULL);
  return z - 1;
#else
  Widget w;
  int i;