xpdfviewer.cc

source code: Covert TXT to PDF

    // core
    core = new XPDFCore(win, panedWin, 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], 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
  XtVaSetValues(zoomMenu, XmNmenuHistory,
		getZoomMenuBtn(core->getZoom()), NULL);

  // 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(zoomMenu, 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;
  XtSetArg(args[n], XmNmenuPost, "<Btn3Down>"); ++n;
  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("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);

  XmStringFree(emptyString);
}

void XPDFViewer::mapWindow() {
#ifdef HAVE_X11_XPM_H
  Pixmap iconPixmap;
#endif
  int depth;
  Pixel 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,
		XmNbackground, &bg, XmNarmColor, &arm, NULL);
  XtVaSetValues(backBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrow_bits,
					    backArrow_width,
					    backArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrow_bits,
					    backArrow_width,
					    backArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)backArrowDis_bits,
					    backArrowDis_width,
					    backArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(prevTenPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrow_bits,
					    dblLeftArrow_width,
					    dblLeftArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrow_bits,
					    dblLeftArrow_width,
					    dblLeftArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblLeftArrowDis_bits,
					    dblLeftArrowDis_width,
					    dblLeftArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(prevPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrow_bits,
					    leftArrow_width,
					    leftArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrow_bits,
					    leftArrow_width,
					    leftArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)leftArrowDis_bits,
					    leftArrowDis_width,
					    leftArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(nextPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrow_bits,
					    rightArrow_width,
					    rightArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrow_bits,
					    rightArrow_width,
					    rightArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)rightArrowDis_bits,
					    rightArrowDis_width,
					    rightArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(nextTenPageBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrow_bits,
					    dblRightArrow_width,
					    dblRightArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrow_bits,
					    dblRightArrow_width,
					    dblRightArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)dblRightArrowDis_bits,
					    dblRightArrowDis_width,
					    dblRightArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(forwardBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrow_bits,
					    forwardArrow_width,
					    forwardArrow_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrow_bits,
					    forwardArrow_width,
					    forwardArrow_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)forwardArrowDis_bits,
					    forwardArrowDis_width,
					    forwardArrowDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(findBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)find_bits,
					    find_width,
					    find_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)find_bits,
					    find_width,
					    find_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)findDis_bits,
					    findDis_width,
					    findDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(printBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)print_bits,
					    print_width,
					    print_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)print_bits,
					    print_width,
					    print_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		XmNlabelInsensitivePixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)printDis_bits,
					    printDis_width,
					    printDis_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		NULL);
  XtVaSetValues(aboutBtn, XmNlabelType, XmPIXMAP,
		XmNlabelPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)about_bits,
					    about_width,
					    about_height,
					    BlackPixel(display, screenNum),
					    bg, depth),
		XmNarmPixmap,
		XCreatePixmapFromBitmapData(display, XtWindow(toolBar),
					    (char *)about_bits,
					    about_width,
					    about_height,
					    BlackPixel(display, screenNum),
					    arm, depth),
		NULL);
}

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

Widget XPDFViewer::getZoomMenuBtn(int z) {
  if (z >= minZoom && z <= maxZoom) {
    return zoomMenuBtns[z - minZoom];
  }
  if (z == zoomPage) {
    return zoomMenuBtns[maxZoom - minZoom + 1];
  }
  if (z == zoomWidth) {
    return zoomMenuBtns[maxZoom - minZoom + 2];
  }
  return zoomMenuBtns[0];
}

void XPDFViewer::prevPageCbk(Widget widget, XtPointer ptr,
			     XtPointer callData) {
  XPDFViewer *viewer = (XPDFViewer *)ptr;

  viewer->core->gotoPrevPage(1, gTrue, gFalse);
  viewer->core->takeFocus();
}

void XPDFViewer::prevTenPageCbk(Widget widget, XtPointer ptr,
				XtPointer callData) {
  XPDFViewer *viewer = (XPDFViewer *)ptr;

  viewer->core->gotoPrevPage(10, gTrue, gFalse);
  viewer->core->takeFocus();
}

void XPDFViewer::nextPageCbk(Widget widget, XtPointer ptr,
			     XtPointer callData) {
  XPDFViewer *viewer = (XPDFViewer *)ptr;

  viewer->core->gotoNextPage(1, gTrue);
  viewer->core->takeFocus();
}