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XPDFViewer.cc
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XPDFViewer.cc
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//========================================================================
//
// XPDFViewer.cc
//
// Copyright 2002-2003 Glyph & Cog, LLC
//
// Modified for Debian by Hamish Moffatt, 22 May 2002.
//
//========================================================================
#include <poppler-config.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#ifdef HAVE_X11_XPM_H
#include <X11/xpm.h>
#endif
#include "poppler/goo/gmem.h"
#include "poppler/goo/gfile.h"
#include "poppler/goo/GooString.h"
#include "poppler/goo/GooList.h"
#include "poppler/Error.h"
#include "GlobalParamsGUI.h"
#include "poppler/PDFDoc.h"
#include "poppler/Link.h"
#include "poppler/ErrorCodes.h"
#include "poppler/Outline.h"
#include "poppler/UnicodeMap.h"
#ifndef DISABLE_OUTLINE
#define Object XtObject
#include "XPDFTree.h"
#undef Object
#endif
#include "XPDFApp.h"
#include "XPDFViewer.h"
#include "poppler/PSOutputDev.h"
#include "config.h"
// these macro defns conflict with xpdf's Object class
#ifdef LESSTIF_VERSION
#undef XtDisplay
#undef XtScreen
#undef XtWindow
#undef XtParent
#undef XtIsRealized
#endif
// hack around old X includes which are missing these symbols
#ifndef XK_Page_Up
#define XK_Page_Up 0xFF55
#endif
#ifndef XK_Page_Down
#define XK_Page_Down 0xFF56
#endif
#ifndef XK_KP_Home
#define XK_KP_Home 0xFF95
#endif
#ifndef XK_KP_Left
#define XK_KP_Left 0xFF96
#endif
#ifndef XK_KP_Up
#define XK_KP_Up 0xFF97
#endif
#ifndef XK_KP_Right
#define XK_KP_Right 0xFF98
#endif
#ifndef XK_KP_Down
#define XK_KP_Down 0xFF99
#endif
#ifndef XK_KP_Prior
#define XK_KP_Prior 0xFF9A
#endif
#ifndef XK_KP_Page_Up
#define XK_KP_Page_Up 0xFF9A
#endif
#ifndef XK_KP_Next
#define XK_KP_Next 0xFF9B
#endif
#ifndef XK_KP_Page_Down
#define XK_KP_Page_Down 0xFF9B
#endif
#ifndef XK_KP_End
#define XK_KP_End 0xFF9C
#endif
#ifndef XK_KP_Begin
#define XK_KP_Begin 0xFF9D
#endif
#ifndef XK_KP_Insert
#define XK_KP_Insert 0xFF9E
#endif
#ifndef XK_KP_Delete
#define XK_KP_Delete 0xFF9F
#endif
#ifndef XK_KP_Add
#define XK_KP_Add 0xFFAB
#endif
#ifndef XK_KP_Subtract
#define XK_KP_Subtract 0xFFAD
#endif
//------------------------------------------------------------------------
// GUI includes
//------------------------------------------------------------------------
#include "icons/xpdfIcon.xpm"
#include "icons/leftArrow.xbm"
#include "icons/leftArrowDis.xbm"
#include "icons/dblLeftArrow.xbm"
#include "icons/dblLeftArrowDis.xbm"
#include "icons/rightArrow.xbm"
#include "icons/rightArrowDis.xbm"
#include "icons/dblRightArrow.xbm"
#include "icons/dblRightArrowDis.xbm"
#include "icons/backArrow.xbm"
#include "icons/backArrowDis.xbm"
#include "icons/forwardArrow.xbm"
#include "icons/forwardArrowDis.xbm"
#include "icons/find.xbm"
#include "icons/findDis.xbm"
#include "icons/print.xbm"
#include "icons/printDis.xbm"
#include "icons/about.xbm"
#include "about-text.h"
//------------------------------------------------------------------------
struct ZoomMenuInfo {
char *label;
double zoom;
};
static ZoomMenuInfo zoomMenuInfo[] = {
{ "1600%", 1600 },
{ "1200%", 1200 },
{ "800%", 800 },
{ "600%", 600 },
{ "400%", 400 },
{ "200%", 200 },
{ "150%", 150 },
{ "125%", 125 },
{ "100%", 100 },
{ "50%", 50 },
{ "25%", 25 },
{ "12.5%", 12.5 },
{ "fit page", zoomPage },
{ "fit width", zoomWidth }
};
#define nZoomMenuItems ((int)(sizeof(zoomMenuInfo)/sizeof(struct ZoomMenuInfo)))
#define maxZoomIdx 0
#define defZoomIdx 7
#define minZoomIdx (nZoomMenuItems - 3)
#define zoomPageIdx (nZoomMenuItems - 2)
#define zoomWidthIdx (nZoomMenuItems - 1)
//------------------------------------------------------------------------
#define cmdMaxArgs 2
XPDFViewerCmd XPDFViewer::cmdTab[] = {
{ "about", 0, false, false, &XPDFViewer::cmdAbout },
{ "closeOutline", 0, false, false, &XPDFViewer::cmdCloseOutline },
{ "closeWindow", 0, false, false, &XPDFViewer::cmdCloseWindow },
{ "continuousMode", 0, false, false, &XPDFViewer::cmdContinuousMode },
{ "endPan", 0, true, true, &XPDFViewer::cmdEndPan },
{ "endSelection", 0, true, true, &XPDFViewer::cmdEndSelection },
{ "find", 0, true, false, &XPDFViewer::cmdFind },
{ "findNext", 0, true, false, &XPDFViewer::cmdFindNext },
{ "focusToDocWin", 0, false, false, &XPDFViewer::cmdFocusToDocWin },
{ "focusToPageNum", 0, false, false, &XPDFViewer::cmdFocusToPageNum },
{ "followLink", 0, true, true, &XPDFViewer::cmdFollowLink },
{ "followLinkInNewWin", 0, true, true, &XPDFViewer::cmdFollowLinkInNewWin },
{ "followLinkInNewWinNoSel", 0, true, true, &XPDFViewer::cmdFollowLinkInNewWinNoSel },
{ "followLinkNoSel", 0, true, true, &XPDFViewer::cmdFollowLinkNoSel },
{ "fullScreenMode", 0, false, false, &XPDFViewer::cmdFullScreenMode },
{ "goBackward", 0, false, false, &XPDFViewer::cmdGoBackward },
{ "goForward", 0, false, false, &XPDFViewer::cmdGoForward },
{ "gotoDest", 1, true, false, &XPDFViewer::cmdGotoDest },
{ "gotoLastPage", 0, true, false, &XPDFViewer::cmdGotoLastPage },
{ "gotoLastPageNoScroll", 0, true, false, &XPDFViewer::cmdGotoLastPageNoScroll },
{ "gotoPage", 1, true, false, &XPDFViewer::cmdGotoPage },
{ "gotoPageNoScroll", 1, true, false, &XPDFViewer::cmdGotoPageNoScroll },
{ "nextPage", 0, true, false, &XPDFViewer::cmdNextPage },
{ "nextPageNoScroll", 0, true, false, &XPDFViewer::cmdNextPageNoScroll },
{ "open", 0, false, false, &XPDFViewer::cmdOpen },
{ "openFile", 1, false, false, &XPDFViewer::cmdOpenFile },
{ "openFileAtDest", 2, false, false, &XPDFViewer::cmdOpenFileAtDest },
{ "openFileAtDestInNewWin", 2, false, false, &XPDFViewer::cmdOpenFileAtDestInNewWin },
{ "openFileAtPage", 2, false, false, &XPDFViewer::cmdOpenFileAtPage },
{ "openFileAtPageInNewWin", 2, false, false, &XPDFViewer::cmdOpenFileAtPageInNewWin },
{ "openFileInNewWin", 1, false, false, &XPDFViewer::cmdOpenFileInNewWin },
{ "openInNewWin", 0, false, false, &XPDFViewer::cmdOpenInNewWin },
{ "openOutline", 0, false, false, &XPDFViewer::cmdOpenOutline },
{ "pageDown", 0, true, false, &XPDFViewer::cmdPageDown },
{ "pageUp", 0, true, false, &XPDFViewer::cmdPageUp },
{ "postPopupMenu", 0, false, true, &XPDFViewer::cmdPostPopupMenu },
{ "prevPage", 0, true, false, &XPDFViewer::cmdPrevPage },
{ "prevPageNoScroll", 0, true, false, &XPDFViewer::cmdPrevPageNoScroll },
{ "print", 0, true, false, &XPDFViewer::cmdPrint },
{ "quit", 0, false, false, &XPDFViewer::cmdQuit },
{ "raise", 0, false, false, &XPDFViewer::cmdRaise },
{ "redraw", 0, true, false, &XPDFViewer::cmdRedraw },
{ "reload", 0, true, false, &XPDFViewer::cmdReload },
{ "run", 1, false, false, &XPDFViewer::cmdRun },
{ "scrollDown", 1, true, false, &XPDFViewer::cmdScrollDown },
{ "scrollDownNextPage", 1, true, false, &XPDFViewer::cmdScrollDownNextPage },
{ "scrollLeft", 1, true, false, &XPDFViewer::cmdScrollLeft },
{ "scrollOutlineDown", 1, true, false, &XPDFViewer::cmdScrollOutlineDown },
{ "scrollOutlineUp", 1, true, false, &XPDFViewer::cmdScrollOutlineUp },
{ "scrollRight", 1, true, false, &XPDFViewer::cmdScrollRight },
{ "scrollToBottomEdge", 0, true, false, &XPDFViewer::cmdScrollToBottomEdge },
{ "scrollToBottomRight", 0, true, false, &XPDFViewer::cmdScrollToBottomRight },
{ "scrollToLeftEdge", 0, true, false, &XPDFViewer::cmdScrollToLeftEdge },
{ "scrollToRightEdge", 0, true, false, &XPDFViewer::cmdScrollToRightEdge },
{ "scrollToTopEdge", 0, true, false, &XPDFViewer::cmdScrollToTopEdge },
{ "scrollToTopLeft", 0, true, false, &XPDFViewer::cmdScrollToTopLeft },
{ "scrollUp", 1, true, false, &XPDFViewer::cmdScrollUp },
{ "scrollUpPrevPage", 1, true, false, &XPDFViewer::cmdScrollUpPrevPage },
{ "singlePageMode", 0, false, false, &XPDFViewer::cmdSinglePageMode },
{ "startPan", 0, true, true, &XPDFViewer::cmdStartPan },
{ "startSelection", 0, true, true, &XPDFViewer::cmdStartSelection },
{ "toggleContinuousMode", 0, false, false, &XPDFViewer::cmdToggleContinuousMode },
{ "toggleFullScreenMode", 0, false, false, &XPDFViewer::cmdToggleFullScreenMode },
{ "toggleOutline", 0, false, false, &XPDFViewer::cmdToggleOutline },
{ "windowMode", 0, false, false, &XPDFViewer::cmdWindowMode },
{ "zoomFitPage", 0, false, false, &XPDFViewer::cmdZoomFitPage },
{ "zoomFitWidth", 0, false, false, &XPDFViewer::cmdZoomFitWidth },
{ "zoomIn", 0, false, false, &XPDFViewer::cmdZoomIn },
{ "zoomOut", 0, false, false, &XPDFViewer::cmdZoomOut },
{ "zoomPercent", 1, false, false, &XPDFViewer::cmdZoomPercent },
{ "zoomToSelection", 0, true, false, &XPDFViewer::cmdZoomToSelection }
};
#define nCmds (sizeof(cmdTab) / sizeof(XPDFViewerCmd))
//------------------------------------------------------------------------
XPDFViewer::XPDFViewer(XPDFApp *appA, GooString *fileName,
int pageA, GooString *destName, bool fullScreen,
GooString *ownerPassword, GooString *userPassword):
app(appA), ok(false), win(NULL), core(NULL),
openDialog(NULL), saveAsDialog(NULL)
{
LinkDest *dest = NULL;
int pg = pageA;
double z;
#ifndef DISABLE_OUTLINE
outlineLabels = NULL;
outlineLabelsLength = outlineLabelsSize = 0;
outlinePaneWidth = 175;
#endif
// do Motif-specific initialization and create the window;
// this also creates the core object
initWindow(fullScreen);
initAboutDialog();
initFindDialog();
initPrintDialog();
if (fileName) {
if (loadFile(fileName, ownerPassword, userPassword)) {
getPageAndDest(pageA, destName, &pg, &dest);
#ifndef DISABLE_OUTLINE
if (outlineScroll != None &&
core->getDoc()->getOutline()->getItems() &&
core->getDoc()->getOutline()->getItems()->getLength() > 0) {
XtVaSetValues(outlineScroll, XmNwidth, outlinePaneWidth, NULL);
}
#endif
} else {
return;
}
}
core->resizeToPage(pg);
// map the window -- we do this after calling resizeToPage to avoid
// an annoying on-screen resize
mapWindow();
// display the first page
z = core->getZoom();
if (dest) {
displayDest(dest, z, core->getRotate(), true);
delete dest;
} else {
displayPage(pg, z, core->getRotate(), true, true);
}
ok = true;
}
XPDFViewer::XPDFViewer(XPDFApp *appA, PDFDoc *doc, int pageA,
GooString *destName, bool fullScreen):
app(appA), ok(false), win(NULL), core(NULL),
openDialog(NULL), saveAsDialog(NULL)
{
LinkDest *dest = NULL;
int pg = pageA;
double z;
#ifndef DISABLE_OUTLINE
outlineLabels = NULL;
outlineLabelsLength = outlineLabelsSize = 0;
outlinePaneWidth = 175;
#endif
// do Motif-specific initialization and create the window;
// this also creates the core object
initWindow(fullScreen);
initAboutDialog();
initFindDialog();
initPrintDialog();
if (doc) {
core->loadDoc(doc);
getPageAndDest(pageA, destName, &pg, &dest);
#ifndef DISABLE_OUTLINE
if (outlineScroll != None &&
core->getDoc()->getOutline()->getItems() &&
core->getDoc()->getOutline()->getItems()->getLength() > 0) {
XtVaSetValues(outlineScroll, XmNwidth, outlinePaneWidth, NULL);
}
#endif
}
core->resizeToPage(pg);
// map the window -- we do this after calling resizeToPage to avoid
// an annoying on-screen resize
mapWindow();
// display the first page
z = core->getZoom();
if (dest) {
displayDest(dest, z, core->getRotate(), true);
delete dest;
} else {
displayPage(pg, z, core->getRotate(), true, true);
}
ok = true;
}
XPDFViewer::~XPDFViewer() {
delete core;
#ifndef USE_COMBO_BOX
delete [] zoomMenuBtns;
#endif
XmFontListFree(aboutBigFont);
XmFontListFree(aboutVersionFont);
XmFontListFree(aboutFixedFont);
closeWindow();
#ifndef DISABLE_OUTLINE
if (outlineLabels) {
gfree(outlineLabels);
}
#endif
}
void XPDFViewer::open(GooString *fileName, int pageA, GooString *destName) {
LinkDest *dest;
int pg;
double z;
if (!core->getDoc() || fileName->cmp(core->getDoc()->getFileName())) {
if (!loadFile(fileName, NULL, NULL)) {
return;
}
}
getPageAndDest(pageA, destName, &pg, &dest);
z = core->getZoom();
if (dest) {
displayDest(dest, z, core->getRotate(), true);
delete dest;
} else {
displayPage(pg, z, core->getRotate(), true, true);
}
}
void XPDFViewer::clear() {
char *title;
XmString s;
core->clear();
// set up title, number-of-pages display
title = app->getTitle() ? app->getTitle()->getCString()
: (char *)xpdfAppName;
XtVaSetValues(win, XmNtitle, title, XmNiconName, title, NULL);
if (toolBar != None) {
s = XmStringCreateLocalized("");
XtVaSetValues(pageNumText, XmNlabelString, s, NULL);
XmStringFree(s);
s = XmStringCreateLocalized(" of 0");
XtVaSetValues(pageCountLabel, XmNlabelString, s, NULL);
XmStringFree(s);
// disable buttons
XtVaSetValues(prevTenPageBtn, XmNsensitive, False, NULL);
XtVaSetValues(prevPageBtn, XmNsensitive, False, NULL);
XtVaSetValues(nextTenPageBtn, XmNsensitive, False, NULL);
XtVaSetValues(nextPageBtn, XmNsensitive, False, NULL);
}
// remove the old outline
#ifndef DISABLE_OUTLINE
setupOutline();
#endif
}
//------------------------------------------------------------------------
// load / display
//------------------------------------------------------------------------
bool XPDFViewer::loadFile(GooString *fileName, GooString *ownerPassword,
GooString *userPassword) {
return core->loadFile(fileName, ownerPassword, userPassword) == errNone;
}
void XPDFViewer::reloadFile() {
int pg;
if (!core->getDoc()) {
return;
}
pg = core->getPageNum();
loadFile(core->getDoc()->getFileName());
if (pg > core->getDoc()->getNumPages()) {
pg = core->getDoc()->getNumPages();
}
displayPage(pg, core->getZoom(), core->getRotate(), false, false);
}
void XPDFViewer::displayPage(int pageA, double zoomA, int rotateA,
bool scrollToTop, bool addToHist) {
core->displayPage(pageA, zoomA, rotateA, scrollToTop, addToHist);
}
void XPDFViewer::displayDest(LinkDest *dest, double zoomA, int rotateA,
bool addToHist) {
core->displayDest(dest, zoomA, rotateA, addToHist);
}
void XPDFViewer::getPageAndDest(int pageA, GooString *destName,
int *pageOut, LinkDest **destOut) {
Ref pageRef;
// find the page number for a named destination
*pageOut = pageA;
*destOut = NULL;
if (destName && (*destOut = core->getDoc()->findDest(destName))) {
if ((*destOut)->isPageRef()) {
pageRef = (*destOut)->getPageRef();
*pageOut = core->getDoc()->findPage(pageRef.num, pageRef.gen);
} else {
*pageOut = (*destOut)->getPageNum();
}
}
if (*pageOut <= 0) {
*pageOut = 1;
}
if (*pageOut > core->getDoc()->getNumPages()) {
*pageOut = core->getDoc()->getNumPages();
}
}
//------------------------------------------------------------------------
// hyperlinks / actions
//------------------------------------------------------------------------
void XPDFViewer::doLink(int wx, int wy, bool onlyIfNoSelection,
bool newWin) {
XPDFViewer *newViewer;
LinkAction *action;
int pg, selPg;
double xu, yu, selULX, selULY, selLRX, selLRY;
if (core->getHyperlinksEnabled() &&
core->cvtWindowToUser(wx, wy, &pg, &xu, &yu) &&
!(onlyIfNoSelection &&
core->getSelection(&selPg, &selULX, &selULY, &selLRX, &selLRY))) {
if ((action = core->findLink(pg, xu, yu))) {
if (newWin &&
core->getDoc()->getFileName() &&
(action->getKind() == actionGoTo ||
action->getKind() == actionGoToR ||
(action->getKind() == actionNamed &&
((LinkNamed *)action)->getName()->cmp("Quit")))) {
newViewer = app->open(core->getDoc()->getFileName());
newViewer->core->doAction(action);
} else {
core->doAction(action);
}
}
}
}
void XPDFViewer::actionCbk(void *data, char *action) {
XPDFViewer *viewer = (XPDFViewer *)data;
if (!strcmp(action, "Quit")) {
viewer->app->quit();
}
}
//------------------------------------------------------------------------
// keyboard/mouse input
//------------------------------------------------------------------------
void XPDFViewer::keyPressCbk(void *data, KeySym key, unsigned modifiers,
XEvent *event) {
XPDFViewer *viewer = (XPDFViewer *)data;
int keyCode;
GooList *cmds;
int i;
if (key >= 0x20 && key <= 0xfe) {
keyCode = (int)key;
} else if (key == XK_Tab ||
key == XK_KP_Tab) {
keyCode = xpdfKeyCodeTab;
} else if (key == XK_Return) {
keyCode = xpdfKeyCodeReturn;
} else if (key == XK_KP_Enter) {
keyCode = xpdfKeyCodeEnter;
} else if (key == XK_BackSpace) {
keyCode = xpdfKeyCodeBackspace;
} else if (key == XK_Insert ||
key == XK_KP_Insert) {
keyCode = xpdfKeyCodeInsert;
} else if (key == XK_Delete ||
key == XK_KP_Delete) {
keyCode = xpdfKeyCodeDelete;
} else if (key == XK_Home ||
key == XK_KP_Home) {
keyCode = xpdfKeyCodeHome;
} else if (key == XK_End ||
key == XK_KP_End) {
keyCode = xpdfKeyCodeEnd;
} else if (key == XK_Page_Up ||
key == XK_KP_Page_Up) {
keyCode = xpdfKeyCodePgUp;
} else if (key == XK_Page_Down ||
key == XK_KP_Page_Down) {
keyCode = xpdfKeyCodePgDn;
} else if (key == XK_Left ||
key == XK_KP_Left) {
keyCode = xpdfKeyCodeLeft;
} else if (key == XK_Right ||
key == XK_KP_Right) {
keyCode = xpdfKeyCodeRight;
} else if (key == XK_Up ||
key == XK_KP_Up) {
keyCode = xpdfKeyCodeUp;
} else if (key == XK_Down ||
key == XK_KP_Down) {
keyCode = xpdfKeyCodeDown;
} else if (key >= XK_F1 && key <= XK_F35) {
keyCode = xpdfKeyCodeF1 + (key - XK_F1);
} else if (key == XK_KP_Add) {
keyCode = xpdfKeyCodeAdd;
} else if (key == XK_KP_Subtract) {
keyCode = xpdfKeyCodeSubtract;
} else {
return;
}
if ((cmds = globalParamsGUI->getKeyBinding(keyCode,
viewer->getModifiers(modifiers),
viewer->getContext(modifiers)))) {
for (i = 0; i < cmds->getLength(); ++i) {
viewer->execCmd((GooString *)cmds->get(i), event);
}
deleteGooList(cmds, GooString);
}
}
void XPDFViewer::mouseCbk(void *data, XEvent *event) {
XPDFViewer *viewer = (XPDFViewer *)data;
int keyCode;
GooList *cmds;
int i;
if (event->type == ButtonPress) {
if (event->xbutton.button >= 1 && event->xbutton.button <= 7) {
keyCode = xpdfKeyCodeMousePress1 + event->xbutton.button - 1;
} else {
return;
}
} else if (event->type == ButtonRelease) {
if (event->xbutton.button >= 1 && event->xbutton.button <= 7) {
keyCode = xpdfKeyCodeMouseRelease1 + event->xbutton.button - 1;
} else {
return;
}
} else {
return;
}
if ((cmds = globalParamsGUI->getKeyBinding(keyCode,
viewer->getModifiers(
event->xkey.state),
viewer->getContext(
event->xkey.state)))) {
for (i = 0; i < cmds->getLength(); ++i) {
viewer->execCmd((GooString *)cmds->get(i), event);
}
deleteGooList(cmds, GooString);
}
}
int XPDFViewer::getModifiers(unsigned modifiers) {
int mods;
mods = 0;
if (modifiers & ShiftMask) {
mods |= xpdfKeyModShift;
}
if (modifiers & ControlMask) {
mods |= xpdfKeyModCtrl;
}
if (modifiers & Mod1Mask) {
mods |= xpdfKeyModAlt;
}
return mods;
}
int XPDFViewer::getContext(unsigned modifiers) {
int context;
context = (core->getFullScreen() ? xpdfKeyContextFullScreen
: xpdfKeyContextWindow) |
(core->getContinuousMode() ? xpdfKeyContextContinuous
: xpdfKeyContextSinglePage) |
(core->getLinkAction() ? xpdfKeyContextOverLink
: xpdfKeyContextOffLink) |
((modifiers & Mod5Mask) ? xpdfKeyContextScrLockOn
: xpdfKeyContextScrLockOff);
return context;
}
void XPDFViewer::execCmd(GooString *cmd, XEvent *event) {
GooString *name = NULL;
GooString *args[cmdMaxArgs];
char *p0, *p1;
int nArgs = 0;
int a, b, m, cmp;
//----- parse the command
for (unsigned i = 0; i < cmdMaxArgs; ++i) {
args[i] = NULL;
}
p0 = cmd->getCString();
for (p1 = p0; *p1 && isalnum(*p1); ++p1) ;
if (p1 == p0) {
goto err1;
}
name = new GooString(p0, p1 - p0);
if (*p1 == '(') {
while (nArgs < cmdMaxArgs) {
p0 = p1 + 1;
for (p1 = p0; *p1 && *p1 != ',' && *p1 != ')'; ++p1) ;
args[nArgs++] = new GooString(p0, p1 - p0);
if (*p1 != ',') {
break;
}
}
if (*p1 != ')') {
goto err1;
}
++p1;
}
if (*p1) {
goto err1;
}
//----- find the command
a = -1;
b = nCmds;
// invariant: cmdTab[a].name < name < cmdTab[b].name
do {
m = (a + b) / 2;
cmp = strcmp(cmdTab[m].name, name->getCString());
if (cmp < 0) {
a = m;
} else if (cmp > 0) {
b = m;
} else {
a = b = m;
}
} while (b - a > 1);
if (cmp != 0) {
goto err1;
}
//----- execute the command
if (nArgs != cmdTab[a].nArgs ||
(cmdTab[a].requiresEvent && !event)) {
goto err1;
}
if (cmdTab[a].requiresDoc && !core->getDoc()) {
// don't issue an error message for this -- it happens, e.g., when
// clicking in a window with no open PDF file
goto err2;
}
(this->*cmdTab[a].func)(args, nArgs, event);
//----- clean up
delete name;
for (int i = 0; i < nArgs; ++i) {
delete args[i];
}
return;
err1:
error(errConfig, -1, "Invalid command syntax: '%s'", cmd->getCString());
err2:
delete name;
for (int i = 0; i < nArgs; ++i) {
delete args[i];
}
}
//------------------------------------------------------------------------
// command functions
//------------------------------------------------------------------------
static int mouseX(XEvent *event) {
switch (event->type) {
case ButtonPress:
case ButtonRelease:
return event->xbutton.x;
case KeyPress:
return event->xkey.x;
}
return 0;
}
static int mouseY(XEvent *event) {
switch (event->type) {
case ButtonPress:
case ButtonRelease:
return event->xbutton.y;
case KeyPress:
return event->xkey.y;
}
return 0;
}
void XPDFViewer::cmdAbout(GooString *args[], int nArgs,
XEvent *event) {
XtManageChild(aboutDialog);
}
void XPDFViewer::cmdCloseOutline(GooString *args[], int nArgs,
XEvent *event) {
#ifndef DISABLE_OUTLINE
Dimension w;
if (outlineScroll == None) {
return;
}
XtVaGetValues(outlineScroll, XmNwidth, &w, NULL);
if (w > 1) {
outlinePaneWidth = w;
// this ugly kludge is apparently the only way to resize the panes
// within an XmPanedWindow
XtVaSetValues(outlineScroll, XmNpaneMinimum, 1,
XmNpaneMaximum, 1, NULL);
XtVaSetValues(outlineScroll, XmNpaneMinimum, 1,
XmNpaneMaximum, 10000, NULL);
}
#endif
}
void XPDFViewer::cmdCloseWindow(GooString *args[], int nArgs,
XEvent *event) {
app->close(this, false);
}
void XPDFViewer::cmdContinuousMode(GooString *args[], int nArgs,
XEvent *event) {
Widget btn;
if (core->getContinuousMode()) {
return;
}
core->setContinuousMode(true);
btn = XtNameToWidget(popupMenu, "continuousMode");
XtVaSetValues(btn, XmNset, XmSET, NULL);
}
void XPDFViewer::cmdEndPan(GooString *args[], int nArgs,
XEvent *event) {
core->endPan(mouseX(event), mouseY(event));
}
void XPDFViewer::cmdEndSelection(GooString *args[], int nArgs,
XEvent *event) {
core->endSelection(mouseX(event), mouseY(event));
}
void XPDFViewer::cmdFind(GooString *args[], int nArgs,
XEvent *event) {
mapFindDialog();
}
void XPDFViewer::cmdFindNext(GooString *args[], int nArgs,
XEvent *event) {
doFind(true);
}
void XPDFViewer::cmdFocusToDocWin(GooString *args[], int nArgs,
XEvent *event) {
core->takeFocus();
}
void XPDFViewer::cmdFocusToPageNum(GooString *args[], int nArgs,
XEvent *event) {
if (core->getFullScreen()) {
return;
}
XmTextFieldSetSelection(pageNumText, 0,
strlen(XmTextFieldGetString(pageNumText)),
XtLastTimestampProcessed(display));
XmProcessTraversal(pageNumText, XmTRAVERSE_CURRENT);
}
void XPDFViewer::cmdFollowLink(GooString *args[], int nArgs,
XEvent *event) {
doLink(mouseX(event), mouseY(event), false, false);
}
void XPDFViewer::cmdFollowLinkInNewWin(GooString *args[], int nArgs,
XEvent *event) {
doLink(mouseX(event), mouseY(event), false, true);
}
void XPDFViewer::cmdFollowLinkInNewWinNoSel(GooString *args[], int nArgs,
XEvent *event) {
doLink(mouseX(event), mouseY(event), true, true);
}
void XPDFViewer::cmdFollowLinkNoSel(GooString *args[], int nArgs,
XEvent *event) {
doLink(mouseX(event), mouseY(event), true, false);
}
void XPDFViewer::cmdFullScreenMode(GooString *args[], int nArgs,
XEvent *event) {
PDFDoc *doc;
XPDFViewer *viewer;
int pg;
Widget btn;
if (core->getFullScreen()) {
return;
}
pg = core->getPageNum();
XtPopdown(win);
doc = core->takeDoc(false);
viewer = app->reopen(this, doc, pg, true);
btn = XtNameToWidget(viewer->popupMenu, "fullScreen");
XtVaSetValues(btn, XmNset, XmSET, NULL);
}
void XPDFViewer::cmdGoBackward(GooString *args[], int nArgs,
XEvent *event) {
core->goBackward();
}
void XPDFViewer::cmdGoForward(GooString *args[], int nArgs,
XEvent *event) {
core->goForward();
}
void XPDFViewer::cmdGotoDest(GooString *args[], int nArgs,
XEvent *event) {
int pg;
LinkDest *dest;
getPageAndDest(1, args[0], &pg, &dest);
if (dest) {
displayDest(dest, core->getZoom(), core->getRotate(), true);
delete dest;
}
}
void XPDFViewer::cmdGotoLastPage(GooString *args[], int nArgs,
XEvent *event) {
displayPage(core->getDoc()->getNumPages(),
core->getZoom(), core->getRotate(),
true, true);
}
void XPDFViewer::cmdGotoLastPageNoScroll(GooString *args[], int nArgs,
XEvent *event) {
displayPage(core->getDoc()->getNumPages(),
core->getZoom(), core->getRotate(),
false, true);
}
void XPDFViewer::cmdGotoPage(GooString *args[], int nArgs,
XEvent *event) {
int pg;
pg = atoi(args[0]->getCString());
if (pg < 1 || pg > core->getDoc()->getNumPages()) {
return;
}
displayPage(pg, core->getZoom(), core->getRotate(), true, true);
}
void XPDFViewer::cmdGotoPageNoScroll(GooString *args[], int nArgs,
XEvent *event) {
int pg;
pg = atoi(args[0]->getCString());
if (pg < 1 || pg > core->getDoc()->getNumPages()) {
return;
}
displayPage(pg, core->getZoom(), core->getRotate(), false, true);
}
void XPDFViewer::cmdNextPage(GooString *args[], int nArgs,
XEvent *event) {
core->gotoNextPage(1, true);
}
void XPDFViewer::cmdNextPageNoScroll(GooString *args[], int nArgs,
XEvent *event) {
core->gotoNextPage(1, false);
}
void XPDFViewer::cmdOpen(GooString *args[], int nArgs,
XEvent *event) {
mapOpenDialog(false);
}
void XPDFViewer::cmdOpenFile(GooString *args[], int nArgs,
XEvent *event) {
open(args[0], 1, NULL);
}
void XPDFViewer::cmdOpenFileAtDest(GooString *args[], int nArgs,
XEvent *event) {
open(args[0], 1, args[1]);
}
void XPDFViewer::cmdOpenFileAtDestInNewWin(GooString *args[], int nArgs,
XEvent *event) {
app->openAtDest(args[0], args[1]);
}
void XPDFViewer::cmdOpenFileAtPage(GooString *args[], int nArgs,
XEvent *event) {
open(args[0], atoi(args[1]->getCString()), NULL);
}
void XPDFViewer::cmdOpenFileAtPageInNewWin(GooString *args[], int nArgs,
XEvent *event) {
app->open(args[0], atoi(args[1]->getCString()));
}
void XPDFViewer::cmdOpenFileInNewWin(GooString *args[], int nArgs,
XEvent *event) {
app->open(args[0]);
}
void XPDFViewer::cmdOpenInNewWin(GooString *args[], int nArgs,
XEvent *event) {
mapOpenDialog(true);
}
void XPDFViewer::cmdOpenOutline(GooString *args[], int nArgs,
XEvent *event) {
#ifndef DISABLE_OUTLINE
Dimension w;
if (outlineScroll == None) {
return;
}
XtVaGetValues(outlineScroll, XmNwidth, &w, NULL);
if (w == 1) {
// this ugly kludge is apparently the only way to resize the panes
// within an XmPanedWindow
XtVaSetValues(outlineScroll, XmNpaneMinimum, outlinePaneWidth,
XmNpaneMaximum, outlinePaneWidth, NULL);