xpdfviewer.cc

source code: Covert TXT to PDF

			    viewer->core->getRotate(), gTrue, gFalse);
      }
      break;
    case 'z':
      if (!viewer->app->getFullScreen() &&
	  viewer->core->getZoom() != zoomPage) {
	XtVaSetValues(viewer->zoomMenu,
		      XmNmenuHistory, viewer->getZoomMenuBtn(zoomPage),
		      NULL);
	viewer->displayPage(viewer->core->getPageNum(), zoomPage,
			    viewer->core->getRotate(), gTrue, gFalse);
      }
      break;
    case 'w':
      if (!viewer->app->getFullScreen() &&
	  viewer->core->getZoom() != zoomWidth) {
	XtVaSetValues(viewer->zoomMenu,
		      XmNmenuHistory, viewer->getZoomMenuBtn(zoomWidth),
		      NULL);
	viewer->displayPage(viewer->core->getPageNum(), zoomWidth,
			    viewer->core->getRotate(), gTrue, gFalse);
      }
      break;
    case '\014':		// ^L
      viewer->displayPage(viewer->core->getPageNum(), viewer->core->getZoom(),
			  viewer->core->getRotate(), gFalse, gFalse);
      break;
    case '\027':		// ^W
      viewer->app->close(viewer, gFalse);
      break;
    case '?':
      XtManageChild(viewer->aboutDialog);
      break;
    case 'Q':
    case 'q':
      viewer->app->quit();
      break;
    }
  }
}

void XPDFViewer::mouseCbk(void *data, XEvent *event) {
  XPDFViewer *viewer = (XPDFViewer *)data;

  if (event->type == ButtonPress && event->xbutton.button == 3) {
    XmMenuPosition(viewer->popupMenu, &event->xbutton);
    XtManageChild(viewer->popupMenu);
  }
}

//------------------------------------------------------------------------
// GUI code: main window
//------------------------------------------------------------------------

void XPDFViewer::initWindow() {
  Widget btn, label, menuPane, lastBtn;
#ifndef DISABLE_OUTLINE
  Widget clipWin;
#endif
  Colormap colormap;
  XColor xcol;
  Arg args[20];
  int n;
  char *title;
  XmString s, s2, emptyString;
  char buf[16];
  int i;

  display = XtDisplay(app->getAppShell());
  screenNum = XScreenNumberOfScreen(XtScreen(app->getAppShell()));

  // private colormap
  if (app->getInstallCmap()) {
    XtVaGetValues(app->getAppShell(), XmNcolormap, &colormap, NULL);
    // ensure that BlackPixel and WhitePixel are reserved in the
    // new colormap
    xcol.red = xcol.green = xcol.blue = 0;
    XAllocColor(display, colormap, &xcol);
    xcol.red = xcol.green = xcol.blue = 65535;
    XAllocColor(display, colormap, &xcol);
    colormap = XCopyColormapAndFree(display, colormap);
  }

  // top-level window
  n = 0;
  title = app->getTitle() ? app->getTitle()->getCString()
                          : (char *)xpdfAppName;
  XtSetArg(args[n], XmNtitle, title); ++n;
  XtSetArg(args[n], XmNiconName, title); ++n;
  XtSetArg(args[n], XmNminWidth, 100); ++n;
  XtSetArg(args[n], XmNminHeight, 100); ++n;
  XtSetArg(args[n], XmNbaseWidth, 0); ++n;
  XtSetArg(args[n], XmNbaseHeight, 0); ++n;
  XtSetArg(args[n], XmNdeleteResponse, XmDO_NOTHING); ++n;
  if (app->getFullScreen()) {
    XtSetArg(args[n], XmNmwmDecorations, 0); ++n;
    XtSetArg(args[n], XmNgeometry, "+0+0"); ++n;
  } else if (app->getGeometry()) {
    XtSetArg(args[n], XmNgeometry, app->getGeometry()->getCString()); ++n;
  }
  win = XtCreatePopupShell("win", topLevelShellWidgetClass,
			   app->getAppShell(), args, n);
  if (app->getInstallCmap()) {
    XtVaSetValues(win, XmNcolormap, colormap, NULL);
  }
  XmAddWMProtocolCallback(win, XInternAtom(display, "WM_DELETE_WINDOW", False),
			  &closeMsgCbk, this);

  // form
  n = 0;
  form = XmCreateForm(win, "form", args, n);
  XtManageChild(form);

  // toolbar
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  toolBar = XmCreateForm(form, "toolBar", args, n);
  XtManageChild(toolBar);

  // create an empty string -- this is used for buttons that will get
  // pixmaps later
  emptyString = XmStringCreateLocalized("");

  // page movement buttons
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  backBtn = XmCreatePushButton(toolBar, "back", args, n);
  XtManageChild(backBtn);
  XtAddCallback(backBtn, XmNactivateCallback,
		&backCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, backBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  prevTenPageBtn = XmCreatePushButton(toolBar, "prevTenPage", args, n);
  XtManageChild(prevTenPageBtn);
  XtAddCallback(prevTenPageBtn, XmNactivateCallback,
		&prevTenPageCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, prevTenPageBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  prevPageBtn = XmCreatePushButton(toolBar, "prevPage", args, n);
  XtManageChild(prevPageBtn);
  XtAddCallback(prevPageBtn, XmNactivateCallback,
		&prevPageCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, prevPageBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  nextPageBtn = XmCreatePushButton(toolBar, "nextPage", args, n);
  XtManageChild(nextPageBtn);
  XtAddCallback(nextPageBtn, XmNactivateCallback,
		&nextPageCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, nextPageBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  nextTenPageBtn = XmCreatePushButton(toolBar, "nextTenPage", args, n);
  XtManageChild(nextTenPageBtn);
  XtAddCallback(nextTenPageBtn, XmNactivateCallback,
		&nextTenPageCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, nextTenPageBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNsensitive, False); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  forwardBtn = XmCreatePushButton(toolBar, "forward", args, n);
  XtManageChild(forwardBtn);
  XtAddCallback(forwardBtn, XmNactivateCallback,
		&forwardCbk, (XtPointer)this);

  // page number display
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, forwardBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  s = XmStringCreateLocalized("Page ");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  label = XmCreateLabel(toolBar, "pageLabel", args, n);
  XmStringFree(s);
  XtManageChild(label);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, label); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 3); ++n;
  XtSetArg(args[n], XmNmarginHeight, 3); ++n;
  XtSetArg(args[n], XmNcolumns, 5); ++n;
  pageNumText = XmCreateTextField(toolBar, "pageNum", args, n);
  XtManageChild(pageNumText);
  XtAddCallback(pageNumText, XmNactivateCallback,
		&pageNumCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, pageNumText); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  s = XmStringCreateLocalized(" of 00000");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); ++n;
  XtSetArg(args[n], XmNrecomputeSize, False); ++n;
  pageCountLabel = XmCreateLabel(toolBar, "pageCountLabel", args, n);
  XmStringFree(s);
  XtManageChild(pageCountLabel);
  s = XmStringCreateLocalized(" of 0");
  XtVaSetValues(pageCountLabel, XmNlabelString, s, NULL);
  XmStringFree(s);

  // zoom menu
  n = 0;
  menuPane = XmCreatePulldownMenu(toolBar, "zoomMenuPane", args, n);
  for (i = minZoom; i <= maxZoom; ++i) {
    n = 0;
    sprintf(buf, "%s%d", i > 0 ? "+" : "", i);
    s = XmStringCreateLocalized(buf);
    XtSetArg(args[n], XmNlabelString, s); ++n;
    XtSetArg(args[n], XmNuserData, (XtPointer)i); ++n;
    sprintf(buf, "zoom%s%d", i < 0 ? "M" : "", i < 0 ? -i : i);
    btn = XmCreatePushButton(menuPane, buf, args, n);
    XmStringFree(s);
    XtManageChild(btn);
    XtAddCallback(btn, XmNactivateCallback,
		  &zoomMenuCbk, (XtPointer)this);
    zoomMenuBtns[i - minZoom] = btn;
  }
  n = 0;
  s = XmStringCreateLocalized("fit page");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  XtSetArg(args[n], XmNuserData, (XtPointer)zoomPage); ++n;
  btn = XmCreatePushButton(menuPane, "zoomPage", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&zoomMenuCbk, (XtPointer)this);
  zoomMenuBtns[maxZoom - minZoom + 1] = btn;
  n = 0;
  s = XmStringCreateLocalized("fit width");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  XtSetArg(args[n], XmNuserData, (XtPointer)zoomWidth); ++n;
  btn = XmCreatePushButton(menuPane, "zoomWidth", args, n);
  XmStringFree(s);
  XtManageChild(btn);
  XtAddCallback(btn, XmNactivateCallback,
		&zoomMenuCbk, (XtPointer)this);
  zoomMenuBtns[maxZoom - minZoom + 2] = btn;
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, pageCountLabel); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 0); ++n;
  XtSetArg(args[n], XmNmarginHeight, 0); ++n;
  XtSetArg(args[n], XmNsubMenuId, menuPane); ++n;
  zoomMenu = XmCreateOptionMenu(toolBar, "zoomMenu", args, n);
  XtManageChild(zoomMenu);

  // find/print/about buttons
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, zoomMenu); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  findBtn = XmCreatePushButton(toolBar, "find", args, n);
  XtManageChild(findBtn);
  XtAddCallback(findBtn, XmNactivateCallback,
		&findCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, findBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  printBtn = XmCreatePushButton(toolBar, "print", args, n);
  XtManageChild(printBtn);
  XtAddCallback(printBtn, XmNactivateCallback,
		&printCbk, (XtPointer)this);
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, printBtn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  XtSetArg(args[n], XmNlabelString, emptyString); ++n;
  aboutBtn = XmCreatePushButton(toolBar, "about", args, n);
  XtManageChild(aboutBtn);
  XtAddCallback(aboutBtn, XmNactivateCallback,
		&aboutCbk, (XtPointer)this);
  lastBtn = aboutBtn;

  // quit button
  n = 0;
  XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNmarginWidth, 6); ++n;
  s = XmStringCreateLocalized("Quit");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  quitBtn = XmCreatePushButton(toolBar, "quit", args, n);
  XmStringFree(s);
  XtManageChild(quitBtn);
  XtAddCallback(quitBtn, XmNactivateCallback,
		&quitCbk, (XtPointer)this);

  // link label
  n = 0;
  XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET); ++n;
  XtSetArg(args[n], XmNleftWidget, lastBtn); ++n;
  XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNrightWidget, btn); ++n;
  XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
  XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); ++n;
  s = XmStringCreateLocalized("");
  XtSetArg(args[n], XmNlabelString, s); ++n;
  XtSetArg(args[n], XmNrecomputeSize, True); ++n;
  XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); ++n;
  linkLabel = XmCreateLabel(toolBar, "linkLabel", args, n);
  XmStringFree(s);
  XtManageChild(linkLabel);

#ifndef DISABLE_OUTLINE
  if (app->getFullScreen()) {
#endif

    // core
    core = new XPDFCore(win, form, app->getPaperColor(),
			app->getFullScreen(), app->getReverseVideo(),
			app->getInstallCmap(), app->getRGBCubeSize());
    core->setUpdateCbk(&updateCbk, this);
    core->setActionCbk(&actionCbk, this);
    core->setKeyPressCbk(&keyPressCbk, this);
    core->setMouseCbk(&mouseCbk, this);
    core->setReqPasswordCbk(&reqPasswordCbk, this);
    n = 0;
    XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNbottomAttachment, XmATTACH_WIDGET); ++n;
    XtSetArg(args[n], XmNbottomWidget, toolBar); ++n;
    XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); ++n;
    XtSetValues(core->getWidget(), args, n);

#ifndef DISABLE_OUTLINE
  } else {

    // paned window
    n = 0;
    XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNbottomAttachment, XmATTACH_WIDGET); ++n;
    XtSetArg(args[n], XmNbottomWidget, toolBar); ++n;
    XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNorientation, XmHORIZONTAL); ++n;
    panedWin = XmCreatePanedWindow(form, "panedWin", args, n);
    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;
    XtSetArg(args[n], XmNwidth, 1); ++n;
    XtSetArg(args[n], XmNscrollingPolicy, XmAUTOMATIC); ++n;
    outlineScroll = XmCreateScrolledWindow(panedWin, "outlineScroll", args, n);
    XtManageChild(outlineScroll);
    XtVaGetValues(outlineScroll, XmNclipWindow, &clipWin, NULL);
    XtVaSetValues(clipWin, XmNbackground, app->getPaperColor(), NULL);

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