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- //========================================================================
- //
- // xpdf.cc
- //
- // Copyright 1996 Derek B. Noonburg
- //
- //========================================================================
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <stddef.h>
- #include <string.h>
- #include <X11/X.h>
- #include <X11/cursorfont.h>
- #include <X11/keysym.h>
- #include "gtypes.h"
- #include "GString.h"
- #include "parseargs.h"
- #include "gfile.h"
- #include "gmem.h"
- #include "LTKAll.h"
- #include "Object.h"
- #include "Stream.h"
- #include "Array.h"
- #include "Dict.h"
- #include "XRef.h"
- #include "Catalog.h"
- #include "Page.h"
- #include "Link.h"
- #include "PDFDoc.h"
- #include "XOutputDev.h"
- #include "LTKOutputDev.h"
- #include "PSOutputDev.h"
- #include "TextOutputDev.h"
- #include "Params.h"
- #include "Error.h"
- #include "config.h"
-
- #ifdef XlibSpecificationRelease
- #if XlibSpecificationRelease < 5
- typedef char *XPointer;
- #endif
- #else
- typedef char *XPointer;
- #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
-
- //------------------------------------------------------------------------
- // misc constants / enums
- //------------------------------------------------------------------------
-
- #define remoteCmdLength 256
-
- enum XpdfMenuItem {
- menuOpen,
- menuSavePDF,
- menuRotateLeft,
- menuRotateRight,
- menuQuit
- };
-
- //------------------------------------------------------------------------
- // prototypes
- //------------------------------------------------------------------------
-
- // loadFile / displayPage
- static GBool loadFile(GString *fileName);
- static void displayPage(int page1, int zoom1, int rotate1);
-
- // key press and menu callbacks
- static void keyPressCbk(LTKWindow *win1, KeySym key, Guint modifiers,
- char *s, int n);
- static void menuCbk(LTKMenuItem *item);
-
- // mouse callbacks
- static void buttonPressCbk(LTKWidget *canvas1, int n,
- int mx, int my, int button, GBool dblClick);
- static void buttonReleaseCbk(LTKWidget *canvas1, int n,
- int mx, int my, int button, GBool click);
- static void doLink(int mx, int my);
- static void mouseMoveCbk(LTKWidget *widget, int widgetNum, int mx, int my);
- static void mouseDragCbk(LTKWidget *widget, int widgetNum,
- int mx, int my, int button);
-
- // button callbacks
- static void nextPageCbk(LTKWidget *button, int n, GBool on);
- static void nextTenPageCbk(LTKWidget *button, int n, GBool on);
- static void prevPageCbk(LTKWidget *button, int n, GBool on);
- static void prevTenPageCbk(LTKWidget *button, int n, GBool on);
- static void pageNumCbk(LTKWidget *textIn, int n, GString *text);
- static void zoomInCbk(LTKWidget *button, int n, GBool on);
- static void zoomOutCbk(LTKWidget *button, int n, GBool on);
- static void postScriptCbk(LTKWidget *button, int n, GBool on);
- static void aboutCbk(LTKWidget *button, int n, GBool on);
- static void quitCbk(LTKWidget *button, int n, GBool on);
-
- // scrollbar callbacks
- static void scrollVertCbk(LTKWidget *scrollbar, int n, int val);
- static void scrollHorizCbk(LTKWidget *scrollbar, int n, int val);
-
- // misc callbacks
- static void layoutCbk(LTKWindow *win1);
- static void propChangeCbk(LTKWindow *win1, Atom atom);
-
- // selection
- static void setSelection(int newXMin, int newYMin, int newXMax, int newYMax);
-
- // "Open" dialog
- static void mapOpenDialog();
- static void openButtonCbk(LTKWidget *button, int n, GBool on);
- static void openSelectCbk(LTKWidget *widget, int n, GString *name);
-
- // "Save PDF" dialog
- static void mapSaveDialog();
- static void saveButtonCbk(LTKWidget *button, int n, GBool on);
- static void saveSelectCbk(LTKWidget *widget, int n, GString *name);
-
- // "PostScript" dialog
- static void mapPSDialog();
- static void psButtonCbk(LTKWidget *button, int n, GBool on);
-
- // "About" window
- static void mapAboutWin();
- static void closeAboutCbk(LTKWidget *button, int n, GBool on);
-
- // "Find" window
- static void findCbk(LTKWidget *button, int n, GBool on);
- static void mapFindWin();
- static void findButtonCbk(LTKWidget *button, int n, GBool on);
- static void doFind(char *s);
-
- // app kill callback
- static void killCbk(LTKWindow *win1);
-
- //------------------------------------------------------------------------
- // GUI includes
- //------------------------------------------------------------------------
-
- #include "xpdfIcon.xpm"
- #include "leftArrow.xbm"
- #include "dblLeftArrow.xbm"
- #include "rightArrow.xbm"
- #include "dblRightArrow.xbm"
- #include "zoomIn.xbm"
- #include "zoomOut.xbm"
- #include "find.xbm"
- #include "postscript.xbm"
- #include "about.xbm"
- #include "xpdf-ltk.h"
-
- //------------------------------------------------------------------------
- // command line options
- //------------------------------------------------------------------------
-
- static XrmOptionDescRec opts[] = {
- {"-display", ".display", XrmoptionSepArg, NULL},
- {"-foreground", ".foreground", XrmoptionSepArg, NULL},
- {"-fg", ".foreground", XrmoptionSepArg, NULL},
- {"-background", ".background", XrmoptionSepArg, NULL},
- {"-bg", ".background", XrmoptionSepArg, NULL},
- {"-geometry", ".geometry", XrmoptionSepArg, NULL},
- {"-g", ".geometry", XrmoptionSepArg, NULL},
- {"-font", ".font", XrmoptionSepArg, NULL},
- {"-fn", ".font", XrmoptionSepArg, NULL},
- {"-cmap", ".installCmap", XrmoptionNoArg, (XPointer)"on"},
- {"-rgb", ".rgbCubeSize", XrmoptionSepArg, NULL},
- {"-papercolor", ".paperColor", XrmoptionSepArg, NULL},
- {"-z", ".initialZoom", XrmoptionSepArg, NULL},
- {"-ps", ".psFile", XrmoptionSepArg, NULL},
- {"-paperw", ".psPaperWidth", XrmoptionSepArg, NULL},
- {"-paperh", ".psPaperHeight", XrmoptionSepArg, NULL},
- {"-level1", ".psLevel1", XrmoptionNoArg, (XPointer)"false"},
- {NULL}
- };
-
- GBool printCommands = gFalse;
- static GBool printHelp = gFalse;
- static char remoteName[100] = "xpdf_";
- static GBool doRemoteRaise = gFalse;
- static GBool doRemoteQuit = gFalse;
-
- static ArgDesc argDesc[] = {
- {"-err", argFlag, &errorsToTTY, 0,
- "send error messages to /dev/tty instead of stderr"},
- {"-z", argIntDummy, NULL, 0,
- "initial zoom level (-5..5)"},
- {"-g", argStringDummy, NULL, 0,
- "initial window geometry"},
- {"-geometry", argStringDummy, NULL, 0,
- "initial window geometry"},
- {"-remote", argString, remoteName + 5, sizeof(remoteName) - 5,
- "start/contact xpdf remote server with specified name"},
- {"-raise", argFlag, &doRemoteRaise, 0,
- "raise xpdf remote server window (with -remote only)"},
- {"-quit", argFlag, &doRemoteQuit, 0,
- "kill xpdf remote server (with -remote only)"},
- {"-cmap", argFlagDummy, NULL, 0,
- "install a private colormap"},
- {"-rgb", argIntDummy, NULL, 0,
- "biggest RGB cube to allocate (default is 5)"},
- {"-papercolor", argStringDummy, NULL, 0,
- "color of paper background"},
- {"-ps", argStringDummy, NULL, 0,
- "default PostScript file/command name"},
- {"-paperw", argIntDummy, NULL, 0,
- "paper width, in points"},
- {"-paperh", argIntDummy, NULL, 0,
- "paper height, in points"},
- {"-level1", argFlagDummy, NULL, 0,
- "generate Level 1 PostScript"},
- {"-cmd", argFlag, &printCommands, 0,
- "print commands as they're executed"},
- {"-h", argFlag, &printHelp, 0,
- "print usage information"},
- {"-help", argFlag, &printHelp, 0,
- "print usage information"},
- {NULL}
- };
-
- //------------------------------------------------------------------------
- // global variables
- //------------------------------------------------------------------------
-
- // zoom factor is 1.2 (similar to DVI magsteps)
- #define minZoom -5
- #define maxZoom 5
- static int zoomDPI[maxZoom - minZoom + 1] = {
- 29, 35, 42, 50, 60,
- 72,
- 86, 104, 124, 149, 179
- };
- #define defZoom 1
-
- static PDFDoc *doc;
-
- static LTKOutputDev *out;
-
- static int page;
- static int zoom;
- static int rotate;
- static GBool quit;
-
- static LinkAction *linkAction; // mouse pointer is over this link
- static int // coordinates of current selection:
- selectXMin, selectYMin, // (xMin==xMax || yMin==yMax) means there
- selectXMax, selectYMax; // is no selection
- static GBool lastDragLeft; // last dragged selection edge was left/right
- static GBool lastDragTop; // last dragged selection edge was top/bottom
- static int panMX, panMY; // last mouse position for pan
-
- static GString *defPSFileName;
- static GString *psFileName;
- static int psFirstPage, psLastPage;
-
- static GString *fileReqDir; // current directory for file requesters
-
- static GString *urlCommand; // command to execute for URI links
-
- static LTKApp *app;
- static Display *display;
- static LTKWindow *win;
- static LTKScrollingCanvas *canvas;
- static LTKScrollbar *hScrollbar, *vScrollbar;
- static LTKTextIn *pageNumText;
- static LTKLabel *numPagesLabel;
- static LTKLabel *linkLabel;
- static LTKWindow *aboutWin;
- static LTKWindow *psDialog;
- static LTKWindow *openDialog;
- static LTKWindow *saveDialog;
- static LTKWindow *findWin;
- static Atom remoteAtom;
- static GC selectGC;
-
- //------------------------------------------------------------------------
- // main program
- //------------------------------------------------------------------------
-
- int main(int argc, char *argv[]) {
- Window xwin;
- XGCValues gcValues;
- char cmd[remoteCmdLength];
- LTKMenu *menu;
- GString *name;
- GString *title;
- unsigned long paperColor;
- int pg;
- int x, y;
- Guint width, height;
- GBool ok;
- char s[20];
- int ret;
-
- // initialize
- app = NULL;
- win = NULL;
- out = NULL;
- remoteAtom = None;
- doc = NULL;
- xref = NULL;
- psFileName = NULL;
- fileReqDir = getCurrentDir();
- ret = 0;
-
- // parse args
- paperWidth = paperHeight = -1;
- ok = parseArgs(argDesc, &argc, argv);
-
- // init error file
- errorInit();
-
- // read config file
- initParams(xpdfConfigFile);
-
- // create LTKApp (and parse X-related args)
- app = new LTKApp("xpdf", opts, &argc, argv);
- app->setKillCbk(&killCbk);
- display = app->getDisplay();
-
- // check command line
- if (doRemoteRaise)
- ok = ok && remoteName[5] && !doRemoteQuit && argc >= 1 && argc <= 3;
- else if (doRemoteQuit)
- ok = ok && remoteName[5] && argc == 1;
- else
- ok = ok && argc >= 1 && argc <= 3;
- if (!ok || printHelp) {
- fprintf(stderr, "xpdf version %s\n", xpdfVersion);
- fprintf(stderr, "%s\n", xpdfCopyright);
- printUsage("xpdf", "[<PDF-file> [<page>]]", argDesc);
- ret = 1;
- goto done2;
- }
- if (argc >= 2)
- name = new GString(argv[1]);
- else
- name = NULL;
- if (argc == 3)
- pg = atoi(argv[2]);
- else
- pg = 1;
-
- // look for already-running remote server
- if (remoteName[5]) {
- remoteAtom = XInternAtom(display, remoteName, False);
- xwin = XGetSelectionOwner(display, remoteAtom);
- if (xwin != None) {
- if (name) {
- sprintf(cmd, "%c %d %.200s", doRemoteRaise ? 'D' : 'd',
- pg, name->getCString());
- XChangeProperty(display, xwin, remoteAtom, remoteAtom, 8,
- PropModeReplace, (Guchar *)cmd, strlen(cmd) + 1);
- delete name;
- } else if (doRemoteRaise) {
- XChangeProperty(display, xwin, remoteAtom, remoteAtom, 8,
- PropModeReplace, (Guchar *)"r", 2);
- } else if (doRemoteQuit) {
- XChangeProperty(display, xwin, remoteAtom, remoteAtom, 8,
- PropModeReplace, (Guchar *)"q", 2);
- }
- goto done2;
- }
- if (doRemoteQuit)
- goto done2;
- }
-
- // print banner
- fprintf(errFile, "xpdf version %s\n", xpdfVersion);
- fprintf(errFile, "%s\n", xpdfCopyright);
-
- // open PDF file
- defPSFileName = app->getStringResource("psFile", NULL);
- if (name) {
- if (!loadFile(name)) {
- ret = 1;
- goto done1;
- }
- delete fileReqDir;
- fileReqDir = makePathAbsolute(grabPath(name->getCString()));
- }
-
- // check for legal page number
- if (doc && (pg < 1 || pg > doc->getNumPages()))
- pg = 1;
-
- // create window
- win = makeWindow(app);
- menu = makeMenu();
- win->setMenu(menu);
- canvas = (LTKScrollingCanvas *)win->findWidget("canvas");
- hScrollbar = (LTKScrollbar *)win->findWidget("hScrollbar");
- vScrollbar = (LTKScrollbar *)win->findWidget("vScrollbar");
- pageNumText = (LTKTextIn *)win->findWidget("pageNum");
- numPagesLabel = (LTKLabel *)win->findWidget("numPages");
- linkLabel = (LTKLabel *)win->findWidget("link");
- win->setKeyCbk(&keyPressCbk);
- win->setLayoutCbk(&layoutCbk);
- canvas->setButtonPressCbk(&buttonPressCbk);
- canvas->setButtonReleaseCbk(&buttonReleaseCbk);
- canvas->setMouseMoveCbk(&mouseMoveCbk);
- canvas->setMouseDragCbk(&mouseDragCbk);
- hScrollbar->setRepeatPeriod(0);
- vScrollbar->setRepeatPeriod(0);
-
- // get X resources
- paperWidth = app->getIntResource("psPaperWidth", defPaperWidth);
- paperHeight = app->getIntResource("psPaperHeight", defPaperHeight);
- psOutLevel1 = app->getBoolResource("psLevel1", gFalse);
- urlCommand = app->getStringResource("urlCommand", NULL);
- installCmap = app->getBoolResource("installCmap", gFalse);
- if (installCmap)
- win->setInstallCmap(gTrue);
- rgbCubeSize = app->getIntResource("rgbCubeSize", defaultRGBCube);
- paperColor = app->getColorResource("paperColor", "white",
- WhitePixel(display, app->getScreenNum()),
- NULL);
- zoom = app->getIntResource("initialZoom", defZoom);
- if (zoom < minZoom)
- zoom = minZoom;
- else if (zoom > maxZoom)
- zoom = maxZoom;
-
- // get geometry
- x = -1;
- y = -1;
- if (!doc) {
- width = 612;
- height = 792;
- } else if (doc->getPageRotate(pg) == 90 || doc->getPageRotate(pg) == 270) {
- width = (int)(doc->getPageHeight(pg) + 0.5);
- height = (int)(doc->getPageWidth(pg) + 0.5);
- } else {
- width = (int)(doc->getPageWidth(pg) + 0.5);
- height = (int)(doc->getPageHeight(pg) + 0.5);
- }
- width = (width * zoomDPI[zoom - minZoom]) / 72 + 28;
- if (width > (Guint)app->getDisplayWidth() - 100)
- width = app->getDisplayWidth() - 100;
- height = (height * zoomDPI[zoom - minZoom]) / 72 + 56;
- if (height > (Guint)app->getDisplayHeight() - 100)
- height = app->getDisplayHeight() - 100;
- app->getGeometryResource("geometry", &x, &y, &width, &height);
-
- // finish setting up window
- sprintf(s, "of %d", doc ? doc->getNumPages() : 0);
- numPagesLabel->setText(s);
- if (name) {
- title = new GString("xpdf: ");
- title->append(name);
- } else {
- title = new GString("xpdf");
- }
- win->setTitle(title);
- win->layout(x, y, width, height);
- win->map();
- aboutWin = NULL;
- psDialog = NULL;
- openDialog = NULL;
- saveDialog = NULL;
- findWin = NULL;
- gcValues.foreground = BlackPixel(display, win->getScreenNum()) ^
- WhitePixel(display, win->getScreenNum());
- gcValues.function = GXxor;
- selectGC = XCreateGC(display, win->getXWindow(),
- GCForeground | GCFunction, &gcValues);
-
- // set up remote server
- if (remoteAtom != None) {
- win->setPropChangeCbk(&propChangeCbk);
- xwin = win->getXWindow();
- XSetSelectionOwner(display, remoteAtom, xwin, CurrentTime);
- }
-
- // create output device
- out = new LTKOutputDev(win, paperColor);
-
- // display first page
- displayPage(pg, zoom, 0);
-
- // event loop
- quit = gFalse;
- do {
- app->doEvent(gTrue);
- } while (!quit);
-
- done1:
- // release remote control atom
- if (remoteAtom != None)
- XSetSelectionOwner(display, remoteAtom, None, CurrentTime);
-
- done2:
- // free stuff
- if (out)
- delete out;
- if (win)
- delete win;
- if (aboutWin)
- delete aboutWin;
- if (findWin)
- delete findWin;
- if (app)
- delete app;
- if (doc)
- delete doc;
- if (psFileName)
- delete psFileName;
- if (defPSFileName)
- delete defPSFileName;
- if (fileReqDir)
- delete fileReqDir;
- if (urlCommand)
- delete urlCommand;
- freeParams();
-
- // check for memory leaks
- Object::memCheck(errFile);
- gMemReport(errFile);
-
- return ret;
- }
-
- //------------------------------------------------------------------------
- // loadFile / displayPage
- //------------------------------------------------------------------------
-
- static GBool loadFile(GString *fileName) {
- GString *title;
- PDFDoc *newDoc;
- char s[20];
- char *p;
-
- // busy cursor
- if (win)
- win->setBusyCursor(gTrue);
-
- // open PDF file
- newDoc = new PDFDoc(fileName);
- if (!newDoc->isOk()) {
- delete newDoc;
- if (win)
- win->setBusyCursor(gFalse);
- return gFalse;
- }
-
- // replace old document
- if (doc)
- delete doc;
- doc = newDoc;
-
- // nothing displayed yet
- page = -99;
-
- // init PostScript output params
- if (psFileName)
- delete psFileName;
- if (defPSFileName) {
- psFileName = defPSFileName->copy();
- } else {
- p = fileName->getCString() + fileName->getLength() - 4;
- if (!strcmp(p, ".pdf") || !strcmp(p, ".PDF"))
- psFileName = new GString(fileName->getCString(),
- fileName->getLength() - 4);
- else
- psFileName = fileName->copy();
- psFileName->append(".ps");
- }
- psFirstPage = 1;
- psLastPage = doc->getNumPages();
-
- // set up title, number-of-pages display; back to normal cursor
- if (win) {
- title = new GString("xpdf: ");
- title->append(fileName);
- win->setTitle(title);
- sprintf(s, "of %d", doc->getNumPages());
- numPagesLabel->setText(s);
- win->setBusyCursor(gFalse);
- }
-
- // done
- return gTrue;
- }
-
- static void displayPage(int page1, int zoom1, int rotate1) {
- char s[20];
-
- // check for document
- if (!doc)
- return;
-
- // busy cursor
- if (win)
- win->setBusyCursor(gTrue);
-
- // new page/zoom/rotate values
- page = page1;
- zoom = zoom1;
- rotate = rotate1;
-
- // initialize mouse-related stuff
- linkAction = NULL;
- win->setDefaultCursor();
- linkLabel->setText(NULL);
- selectXMin = selectXMax = 0;
- selectYMin = selectYMax = 0;
- lastDragLeft = lastDragTop = gTrue;
-
- // draw the page
- doc->displayPage(out, page, zoomDPI[zoom - minZoom], rotate, gTrue);
- layoutCbk(win);
-
- // update page number display
- sprintf(s, "%d", page);
- pageNumText->setText(s);
-
- // back to regular cursor
- win->setBusyCursor(gFalse);
- }
-
- //------------------------------------------------------------------------
- // key press and menu callbacks
- //------------------------------------------------------------------------
-
- static void keyPressCbk(LTKWindow *win1, KeySym key, Guint modifiers,
- char *s, int n) {
- if (n > 0) {
- switch (s[0]) {
- case 'O':
- case 'o':
- mapOpenDialog();
- break;
- case 'F':
- case 'f':
- mapFindWin();
- break;
- case 'N':
- case 'n':
- nextPageCbk(NULL, 0, gTrue);
- break;
- case 'P':
- case 'p':
- prevPageCbk(NULL, 0, gTrue);
- break;
- case ' ':
- if (vScrollbar->getPos() >=
- canvas->getRealHeight() - canvas->getHeight()) {
- nextPageCbk(NULL, 0, gTrue);
- } else {
- vScrollbar->setPos(vScrollbar->getPos() + canvas->getHeight(),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
- break;
- case '\b': // bs
- case '\177': // del
- if (vScrollbar->getPos() == 0) {
- prevPageCbk(NULL, 0, gTrue);
- } else {
- vScrollbar->setPos(vScrollbar->getPos() - canvas->getHeight(),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
- break;
- case '\014': // ^L
- win->redraw();
- displayPage(page, zoom, rotate);
- break;
- case 'Q':
- case 'q':
- quitCbk(NULL, 0, gTrue);
- break;
- }
- } else {
- switch (key) {
- case XK_Home:
- hScrollbar->setPos(0, canvas->getWidth());
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case XK_End:
- hScrollbar->setPos(canvas->getRealWidth() - canvas->getWidth(),
- canvas->getWidth());
- vScrollbar->setPos(canvas->getRealHeight() - canvas->getHeight(),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case XK_Page_Up:
- if (vScrollbar->getPos() == 0) {
- prevPageCbk(NULL, 0, gTrue);
- } else {
- vScrollbar->setPos(vScrollbar->getPos() - canvas->getHeight(),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
- break;
- case XK_Page_Down:
- if (vScrollbar->getPos() >=
- canvas->getRealHeight() - canvas->getHeight()) {
- nextPageCbk(NULL, 0, gTrue);
- } else {
- vScrollbar->setPos(vScrollbar->getPos() + canvas->getHeight(),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
- break;
- case XK_Left:
- hScrollbar->setPos(hScrollbar->getPos() - 16, canvas->getWidth());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case XK_Right:
- hScrollbar->setPos(hScrollbar->getPos() + 16, canvas->getWidth());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case XK_Up:
- vScrollbar->setPos(vScrollbar->getPos() - 16, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case XK_Down:
- vScrollbar->setPos(vScrollbar->getPos() + 16, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- }
- }
- }
-
- static void menuCbk(LTKMenuItem *item) {
- int r;
-
- switch (item->getItemNum()) {
- case menuOpen:
- mapOpenDialog();
- break;
- case menuSavePDF:
- if (doc)
- mapSaveDialog();
- break;
- case menuRotateLeft:
- if (doc) {
- r = (rotate == 0) ? 270 : rotate - 90;
- displayPage(page, zoom, r);
- }
- break;
- case menuRotateRight:
- if (doc) {
- r = (rotate == 270) ? 0 : rotate + 90;
- displayPage(page, zoom, r);
- }
- break;
- case menuQuit:
- quit = gTrue;
- break;
- }
- }
-
- //------------------------------------------------------------------------
- // mouse callbacks
- //------------------------------------------------------------------------
-
- static void buttonPressCbk(LTKWidget *canvas1, int n,
- int mx, int my, int button, GBool dblClick) {
- if (!doc)
- return;
- if (button == 1) {
- setSelection(mx, my, mx, my);
- } else if (button == 2) {
- panMX = mx - hScrollbar->getPos();
- panMY = my - vScrollbar->getPos();
- }
- }
-
- static void buttonReleaseCbk(LTKWidget *canvas1, int n,
- int mx, int my, int button, GBool click) {
- GString *s;
-
- if (!doc)
- return;
-
- if (button == 1) {
- // selection
- if (selectXMin < selectXMax && selectYMin < selectYMax) {
- #ifndef NO_TEXT_SELECT
- if (doc->okToCopy()) {
- s = out->getText(selectXMin, selectYMin, selectXMax, selectYMax);
- win->setSelection(NULL, s);
- }
- #endif
-
- // link
- } else {
- setSelection(mx, my, mx, my);
- doLink(mx, my);
- }
- }
- }
-
- static void doLink(int mx, int my) {
- LinkActionKind kind;
- LinkAction *action = NULL;
- LinkDest *dest;
- GString *namedDest;
- char *s;
- GString *fileName;
- Ref pageRef;
- int pg;
- double x, y;
- int dx, dy;
- LTKButtonDialog *dialog;
-
- // look for a link
- out->cvtDevToUser(mx, my, &x, &y);
- if ((action = doc->findLink(x, y))) {
- switch (kind = action->getKind()) {
-
- // GoTo / GoToR action
- case actionGoTo:
- case actionGoToR:
- if (kind == actionGoTo) {
- dest = NULL;
- namedDest = NULL;
- if ((dest = ((LinkGoTo *)action)->getDest()))
- dest = dest->copy();
- else if ((namedDest = ((LinkGoTo *)action)->getNamedDest()))
- namedDest = namedDest->copy();
- } else {
- dest = NULL;
- namedDest = NULL;
- if ((dest = ((LinkGoToR *)action)->getDest()))
- dest = dest->copy();
- else if ((namedDest = ((LinkGoToR *)action)->getNamedDest()))
- namedDest = namedDest->copy();
- s = ((LinkGoToR *)action)->getFileName()->getCString();
- //~ translate path name for VMS (deal with '/')
- if (isAbsolutePath(s))
- fileName = new GString(s);
- else
- fileName = appendToPath(
- grabPath(doc->getFileName()->getCString()), s);
- if (!loadFile(fileName)) {
- if (dest)
- delete dest;
- if (namedDest)
- delete namedDest;
- return;
- }
- }
- if (namedDest) {
- dest = doc->findDest(namedDest);
- delete namedDest;
- }
- if (!dest) {
- if (kind == actionGoToR)
- displayPage(1, zoom, 0);
- } else {
- if (dest->isPageRef()) {
- pageRef = dest->getPageRef();
- pg = doc->findPage(pageRef.num, pageRef.gen);
- } else {
- pg = dest->getPageNum();
- }
- if (pg > 0 && pg != page)
- displayPage(pg, zoom, rotate);
- else if (pg <= 0)
- displayPage(1, zoom, rotate);
- switch (dest->getKind()) {
- case destXYZ:
- out->cvtUserToDev(dest->getLeft(), dest->getTop(), &dx, &dy);
- if (dest->getChangeLeft() || dest->getChangeTop()) {
- if (dest->getChangeLeft())
- hScrollbar->setPos(dx, canvas->getWidth());
- if (dest->getChangeTop())
- vScrollbar->setPos(dy, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
- //~ what is the zoom parameter?
- break;
- case destFit:
- case destFitB:
- //~ do fit
- hScrollbar->setPos(0, canvas->getWidth());
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case destFitH:
- case destFitBH:
- //~ do fit
- out->cvtUserToDev(0, dest->getTop(), &dx, &dy);
- hScrollbar->setPos(0, canvas->getWidth());
- vScrollbar->setPos(dy, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case destFitV:
- case destFitBV:
- //~ do fit
- out->cvtUserToDev(dest->getLeft(), 0, &dx, &dy);
- hScrollbar->setPos(dx, canvas->getWidth());
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- case destFitR:
- //~ do fit
- out->cvtUserToDev(dest->getLeft(), dest->getTop(), &dx, &dy);
- hScrollbar->setPos(dx, canvas->getWidth());
- vScrollbar->setPos(dy, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- break;
- }
- delete dest;
- }
- break;
-
- // Launch action
- case actionLaunch:
- fileName = ((LinkLaunch *)action)->getFileName();
- s = fileName->getCString();
- if (!strcmp(s + fileName->getLength() - 4, ".pdf") ||
- !strcmp(s + fileName->getLength() - 4, ".PDF")) {
- //~ translate path name for VMS (deal with '/')
- if (isAbsolutePath(s))
- fileName = fileName->copy();
- else
- fileName = appendToPath(
- grabPath(doc->getFileName()->getCString()), s);
- if (!loadFile(fileName))
- return;
- displayPage(1, zoom, rotate);
- } else {
- fileName = fileName->copy();
- if (((LinkLaunch *)action)->getParams()) {
- fileName->append(' ');
- fileName->append(((LinkLaunch *)action)->getParams());
- }
- #ifdef VMS
- fileName->insert(0, "spawn/nowait ");
- #elif defined(__EMX__)
- fileName->insert(0, "start /min /n ");
- #else
- fileName->append(" &");
- #endif
- dialog = new LTKButtonDialog(win, "xpdf: Launch",
- "Execute the command:",
- fileName->getCString(),
- NULL, "Ok", "Cancel");
- if (dialog->go())
- system(fileName->getCString());
- delete dialog;
- delete fileName;
- }
- break;
-
- // URI action
- case actionURI:
- if (urlCommand) {
- for (s = urlCommand->getCString(); *s; ++s) {
- if (s[0] == '%' && s[1] == 's')
- break;
- }
- if (s) {
- fileName = new GString(urlCommand->getCString(),
- s - urlCommand->getCString());
- fileName->append(((LinkURI *)action)->getURI());
- fileName->append(s+2);
- } else {
- fileName = urlCommand->copy();
- }
- #ifdef VMS
- fileName->insert(0, "spawn/nowait ");
- #elif defined(__EMX__)
- fileName->insert(0, "start /min /n ");
- #else
- fileName->append(" &");
- #endif
- system(fileName->getCString());
- delete fileName;
- } else {
- fprintf(errFile, "URI: %s\n",
- ((LinkURI *)action)->getURI()->getCString());
- }
- break;
-
- // unknown action type
- case actionUnknown:
- error(-1, "Unknown link action type: '%s'",
- ((LinkUnknown *)action)->getAction()->getCString());
- break;
- }
- }
- }
-
- static void mouseMoveCbk(LTKWidget *widget, int widgetNum, int mx, int my) {
- double x, y;
- LinkAction *action;
- char *s;
-
- if (!doc)
- return;
- out->cvtDevToUser(mx, my, &x, &y);
- if ((action = doc->findLink(x, y))) {
- if (action != linkAction) {
- if (!linkAction)
- win->setCursor(XC_hand2);
- linkAction = action;
- s = NULL;
- switch (linkAction->getKind()) {
- case actionGoTo:
- s = "[internal link]";
- break;
- case actionGoToR:
- s = ((LinkGoToR *)linkAction)->getFileName()->getCString();
- break;
- case actionLaunch:
- s = ((LinkLaunch *)linkAction)->getFileName()->getCString();
- break;
- case actionURI:
- s = ((LinkURI *)action)->getURI()->getCString();
- break;
- case actionUnknown:
- s = "[unknown link]";
- break;
- }
- linkLabel->setText(s);
- }
- } else {
- if (linkAction) {
- linkAction = NULL;
- win->setDefaultCursor();
- linkLabel->setText(NULL);
- }
- }
- }
-
- static void mouseDragCbk(LTKWidget *widget, int widgetNum,
- int mx, int my, int button) {
- int x, y;
- int xMin, yMin, xMax, yMax;
-
- // button 1: select
- if (button == 1) {
-
- // clip mouse coords
- x = mx;
- if (x < 0)
- x = 0;
- else if (x >= canvas->getRealWidth())
- x = canvas->getRealWidth() - 1;
- y = my;
- if (y < 0)
- y = 0;
- else if (y >= canvas->getRealHeight())
- y = canvas->getRealHeight() - 1;
-
- // move appropriate edges of selection
- if (lastDragLeft) {
- if (x < selectXMax) {
- xMin = x;
- xMax = selectXMax;
- } else {
- xMin = selectXMax;
- xMax = x;
- lastDragLeft = gFalse;
- }
- } else {
- if (x > selectXMin) {
- xMin = selectXMin;
- xMax = x;
- } else {
- xMin = x;
- xMax = selectXMin;
- lastDragLeft = gTrue;
- }
- }
- if (lastDragTop) {
- if (y < selectYMax) {
- yMin = y;
- yMax = selectYMax;
- } else {
- yMin = selectYMax;
- yMax = y;
- lastDragTop = gFalse;
- }
- } else {
- if (y > selectYMin) {
- yMin = selectYMin;
- yMax = y;
- } else {
- yMin = y;
- yMax = selectYMin;
- lastDragTop = gTrue;
- }
- }
-
- // redraw the selection
- setSelection(xMin, yMin, xMax, yMax);
-
- // button 2: pan
- } else if (button == 2) {
- mx -= hScrollbar->getPos();
- my -= vScrollbar->getPos();
- hScrollbar->setPos(hScrollbar->getPos() - (mx - panMX),
- canvas->getWidth());
- vScrollbar->setPos(vScrollbar->getPos() - (my - panMY),
- canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- panMX = mx;
- panMY = my;
- }
- }
-
- //------------------------------------------------------------------------
- // button callbacks
- //------------------------------------------------------------------------
-
- static void nextPageCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- if (page < doc->getNumPages()) {
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- displayPage(page + 1, zoom, rotate);
- } else {
- XBell(display, 0);
- }
- }
-
- static void nextTenPageCbk(LTKWidget *button, int n, GBool on) {
- int pg;
-
- if (!doc)
- return;
- if (page < doc->getNumPages()) {
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- if ((pg = page + 10) > doc->getNumPages())
- pg = doc->getNumPages();
- displayPage(pg, zoom, rotate);
- } else {
- XBell(display, 0);
- }
- }
-
- static void prevPageCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- if (page > 1) {
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- displayPage(page - 1, zoom, rotate);
- } else {
- XBell(display, 0);
- }
- }
-
- static void prevTenPageCbk(LTKWidget *button, int n, GBool on) {
- int pg;
-
- if (!doc)
- return;
- if (page > 1) {
- vScrollbar->setPos(0, canvas->getHeight());
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- if ((pg = page - 10) < 1)
- pg = 1;
- displayPage(pg, zoom, rotate);
- } else {
- XBell(display, 0);
- }
- }
-
- static void pageNumCbk(LTKWidget *textIn, int n, GString *text) {
- int page1;
- char s[20];
-
- if (!doc)
- return;
- page1 = atoi(text->getCString());
- if (page1 >= 1 && page1 <= doc->getNumPages()) {
- if (page1 != page)
- displayPage(page1, zoom, rotate);
- } else {
- XBell(display, 0);
- sprintf(s, "%d", page);
- pageNumText->setText(s);
- }
- }
-
- static void zoomInCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- if (zoom < maxZoom)
- displayPage(page, zoom + 1, rotate);
- else
- XBell(display, 0);
- }
-
- static void zoomOutCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- if (zoom > minZoom)
- displayPage(page, zoom - 1, rotate);
- else
- XBell(display, 0);
- }
-
- static void postScriptCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- mapPSDialog();
- }
-
- static void aboutCbk(LTKWidget *button, int n, GBool on) {
- mapAboutWin();
- }
-
- static void quitCbk(LTKWidget *button, int n, GBool on) {
- quit = gTrue;
- }
-
- //------------------------------------------------------------------------
- // scrollbar callbacks
- //------------------------------------------------------------------------
-
- static void scrollVertCbk(LTKWidget *scrollbar, int n, int val) {
- canvas->scroll(hScrollbar->getPos(), val);
- XSync(display, False);
- }
-
- static void scrollHorizCbk(LTKWidget *scrollbar, int n, int val) {
- canvas->scroll(val, vScrollbar->getPos());
- XSync(display, False);
- }
-
- //------------------------------------------------------------------------
- // misc callbacks
- //------------------------------------------------------------------------
-
- static void layoutCbk(LTKWindow *win1) {
- hScrollbar->setLimits(0, canvas->getRealWidth() - 1);
- hScrollbar->setPos(hScrollbar->getPos(), canvas->getWidth());
- hScrollbar->setScrollDelta(16);
- vScrollbar->setLimits(0, canvas->getRealHeight() - 1);
- vScrollbar->setPos(vScrollbar->getPos(), canvas->getHeight());
- vScrollbar->setScrollDelta(16);
- canvas->scroll(hScrollbar->getPos(), vScrollbar->getPos());
- }
-
- static void propChangeCbk(LTKWindow *win1, Atom atom) {
- Window xwin;
- char *cmd;
- Atom type;
- int format;
- Gulong size, remain;
- char *p;
- GString *newFileName;
- int newPage;
-
- // get command
- xwin = win1->getXWindow();
- if (XGetWindowProperty(display, xwin, remoteAtom,
- 0, remoteCmdLength/4, True, remoteAtom,
- &type, &format, &size, &remain,
- (Guchar **)&cmd) != Success)
- return;
- if (size == 0)
- return;
-
- // raise window
- if (cmd[0] == 'D' || cmd[0] == 'r'){
- win->raise();
- XFlush(display);
- }
-
- // display file / page
- if (cmd[0] == 'd' || cmd[0] == 'D') {
- p = cmd + 2;
- newPage = atoi(p);
- if (!(p = strchr(p, ' ')))
- return;
- newFileName = new GString(p + 1);
- XFree((XPointer)cmd);
- if (!doc || newFileName->cmp(doc->getFileName())) {
- if (!loadFile(newFileName))
- return;
- } else {
- delete newFileName;
- }
- if (newPage != page && newPage >= 1 && newPage <= doc->getNumPages())
- displayPage(newPage, zoom, rotate);
-
- // quit
- } else if (cmd[0] == 'q') {
- quit = gTrue;
- }
- }
-
- //------------------------------------------------------------------------
- // selection
- //------------------------------------------------------------------------
-
- static void setSelection(int newXMin, int newYMin, int newXMax, int newYMax) {
- int x, y, w, h;
- GBool needRedraw, needScroll;
- GBool moveLeft, moveRight, moveTop, moveBottom;
-
- // erase old selection on canvas pixmap
- needRedraw = gFalse;
- if (selectXMin < selectXMax && selectYMin < selectYMax) {
- XFillRectangle(canvas->getDisplay(), canvas->getPixmap(),
- selectGC, selectXMin, selectYMin,
- selectXMax - selectXMin, selectYMax - selectYMin);
- needRedraw = gTrue;
- }
-
- // draw new selection on canvas pixmap
- if (newXMin < newXMax && newYMin < newYMax) {
- XFillRectangle(canvas->getDisplay(), canvas->getPixmap(),
- selectGC, newXMin, newYMin,
- newXMax - newXMin, newYMax - newYMin);
- needRedraw = gTrue;
- }
-
- // check which edges moved
- moveLeft = newXMin != selectXMin;
- moveTop = newYMin != selectYMin;
- moveRight = newXMax != selectXMax;
- moveBottom = newYMax != selectYMax;
-
- // redraw currently visible part of canvas
- if (needRedraw) {
- if (moveLeft) {
- canvas->redrawRect((newXMin < selectXMin) ? newXMin : selectXMin,
- (newYMin < selectYMin) ? newYMin : selectYMin,
- (newXMin > selectXMin) ? newXMin : selectXMin,
- (newYMax > selectYMax) ? newYMax : selectYMax);
- }
- if (moveRight) {
- canvas->redrawRect((newXMax < selectXMax) ? newXMax : selectXMax,
- (newYMin < selectYMin) ? newYMin : selectYMin,
- (newXMax > selectXMax) ? newXMax : selectXMax,
- (newYMax > selectYMax) ? newYMax : selectYMax);
- }
- if (moveTop) {
- canvas->redrawRect((newXMin < selectXMin) ? newXMin : selectXMin,
- (newYMin < selectYMin) ? newYMin : selectYMin,
- (newXMax > selectXMax) ? newXMax : selectXMax,
- (newYMin > selectYMin) ? newYMin : selectYMin);
- }
- if (moveBottom) {
- canvas->redrawRect((newXMin < selectXMin) ? newXMin : selectXMin,
- (newYMax < selectYMax) ? newYMax : selectYMax,
- (newXMax > selectXMax) ? newXMax : selectXMax,
- (newYMax > selectYMax) ? newYMax : selectYMax);
- }
- }
-
- // switch to new selection coords
- selectXMin = newXMin;
- selectXMax = newXMax;
- selectYMin = newYMin;
- selectYMax = newYMax;
-
- // scroll canvas if necessary
- needScroll = gFalse;
- w = canvas->getWidth();
- h = canvas->getHeight();
- x = hScrollbar->getPos();
- y = vScrollbar->getPos();
- if (moveLeft && selectXMin < x) {
- x = selectXMin;
- needScroll = gTrue;
- } else if (moveRight && selectXMax >= x + w) {
- x = selectXMax - w;
- needScroll = gTrue;
- } else if (moveLeft && selectXMin >= x + w) {
- x = selectXMin - w;
- needScroll = gTrue;
- } else if (moveRight && selectXMax < x) {
- x = selectXMax;
- needScroll = gTrue;
- }
- if (moveTop && selectYMin < y) {
- y = selectYMin;
- needScroll = gTrue;
- } else if (moveBottom && selectYMax >= y + h) {
- y = selectYMax - h;
- needScroll = gTrue;
- } else if (moveTop && selectYMin >= y + h) {
- y = selectYMin - h;
- needScroll = gTrue;
- } else if (moveBottom && selectYMax < y) {
- y = selectYMax;
- needScroll = gTrue;
- }
- if (needScroll) {
- hScrollbar->setPos(x, w);
- vScrollbar->setPos(y, h);
- canvas->scroll(x, y);
- }
- }
-
- //------------------------------------------------------------------------
- // "Open" dialog
- //------------------------------------------------------------------------
-
- static void mapOpenDialog() {
- openDialog = makeOpenDialog(app);
- ((LTKFileReq *)openDialog->findWidget("fileReq"))->setDir(fileReqDir);
- openDialog->layoutDialog(win, -1, -1);
- openDialog->map();
- }
-
- static void openButtonCbk(LTKWidget *button, int n, GBool on) {
- LTKFileReq *fileReq;
- GString *sel;
-
- sel = NULL;
- if (n == 1) {
- fileReq = (LTKFileReq *)openDialog->findWidget("fileReq");
- if ((sel = fileReq->getSelection()))
- openSelectCbk(fileReq, 0, sel);
- else
- XBell(display, 0);
- }
- if (openDialog) {
- if (sel) {
- delete fileReqDir;
- fileReqDir = ((LTKFileReq *)openDialog->findWidget("fileReq"))->getDir();
- }
- delete openDialog;
- openDialog = NULL;
- }
- }
-
- static void openSelectCbk(LTKWidget *widget, int n, GString *name) {
- GString *name1;
-
- name1 = name->copy();
- if (openDialog) {
- delete fileReqDir;
- fileReqDir = ((LTKFileReq *)openDialog->findWidget("fileReq"))->getDir();
- delete openDialog;
- openDialog = NULL;
- }
- if (loadFile(name1))
- displayPage(1, zoom, rotate);
- }
-
- //------------------------------------------------------------------------
- // "Save PDF" dialog
- //------------------------------------------------------------------------
-
- static void mapSaveDialog() {
- saveDialog = makeSaveDialog(app);
- ((LTKFileReq *)saveDialog->findWidget("fileReq"))->setDir(fileReqDir);
- saveDialog->layoutDialog(win, -1, -1);
- saveDialog->map();
- }
-
- static void saveButtonCbk(LTKWidget *button, int n, GBool on) {
- LTKFileReq *fileReq;
- GString *sel;
-
- if (!doc)
- return;
- sel = NULL;
- if (n == 1) {
- fileReq = (LTKFileReq *)saveDialog->findWidget("fileReq");
- if ((sel = fileReq->getSelection()))
- saveSelectCbk(fileReq, 0, sel);
- else
- XBell(display, 0);
- }
- if (saveDialog) {
- if (sel) {
- delete fileReqDir;
- fileReqDir = ((LTKFileReq *)saveDialog->findWidget("fileReq"))->getDir();
- }
- delete saveDialog;
- saveDialog = NULL;
- }
- }
-
- static void saveSelectCbk(LTKWidget *widget, int n, GString *name) {
- GString *name1;
-
- name1 = name->copy();
- if (saveDialog) {
- delete fileReqDir;
- fileReqDir = ((LTKFileReq *)saveDialog->findWidget("fileReq"))->getDir();
- delete saveDialog;
- saveDialog = NULL;
- }
- win->setBusyCursor(gTrue);
- doc->saveAs(name1);
- delete name1;
- win->setBusyCursor(gFalse);
- }
-
- //------------------------------------------------------------------------
- // "PostScript" dialog
- //------------------------------------------------------------------------
-
- static void mapPSDialog() {
- LTKTextIn *widget;
- char s[20];
-
- psDialog = makePostScriptDialog(app);
- sprintf(s, "%d", psFirstPage);
- widget = (LTKTextIn *)psDialog->findWidget("firstPage");
- widget->setText(s);
- sprintf(s, "%d", psLastPage);
- widget = (LTKTextIn *)psDialog->findWidget("lastPage");
- widget->setText(s);
- widget = (LTKTextIn *)psDialog->findWidget("fileName");
- widget->setText(psFileName->getCString());
- psDialog->layoutDialog(win, -1, -1);
- psDialog->map();
- }
-
- static void psButtonCbk(LTKWidget *button, int n, GBool on) {
- PSOutputDev *psOut;
- LTKTextIn *widget;
-
- if (!doc)
- return;
-
- // "Ok" button
- if (n == 1) {
- // extract params and close the dialog
- widget = (LTKTextIn *)psDialog->findWidget("firstPage");
- psFirstPage = atoi(widget->getText()->getCString());
- if (psFirstPage < 1)
- psFirstPage = 1;
- widget = (LTKTextIn *)psDialog->findWidget("lastPage");
- psLastPage = atoi(widget->getText()->getCString());
- if (psLastPage < psFirstPage)
- psLastPage = psFirstPage;
- else if (psLastPage > doc->getNumPages())
- psLastPage = doc->getNumPages();
- widget = (LTKTextIn *)psDialog->findWidget("fileName");
- if (psFileName)
- delete psFileName;
- psFileName = widget->getText()->copy();
- if (!(psFileName->getChar(0) == '|' ||
- psFileName->cmp("-") == 0))
- makePathAbsolute(psFileName);
-
- // do the PostScript output
- psDialog->setBusyCursor(gTrue);
- win->setBusyCursor(gTrue);
- if (doc->okToPrint()) {
- psOut = new PSOutputDev(psFileName->getCString(), doc->getCatalog(),
- psFirstPage, psLastPage, gTrue, gFalse);
- if (psOut->isOk()) {
- doc->displayPages(psOut, psFirstPage, psLastPage,
- zoomDPI[zoom - minZoom], rotate);
- }
- delete psOut;
- }
-
- delete psDialog;
- win->setBusyCursor(gFalse);
-
- // "Cancel" button
- } else {
- delete psDialog;
- }
- }
-
- //------------------------------------------------------------------------
- // "About" window
- //------------------------------------------------------------------------
-
- static void mapAboutWin() {
- if (aboutWin) {
- aboutWin->raise();
- } else {
- aboutWin = makeAboutWindow(app);
- aboutWin->layout(-1, -1, -1, -1);
- aboutWin->map();
- }
- }
-
- static void closeAboutCbk(LTKWidget *button, int n, GBool on) {
- delete aboutWin;
- aboutWin = NULL;
- }
-
- //------------------------------------------------------------------------
- // "Find" window
- //------------------------------------------------------------------------
-
- static void findCbk(LTKWidget *button, int n, GBool on) {
- if (!doc)
- return;
- mapFindWin();
- }
-
- static void mapFindWin() {
- if (findWin) {
- findWin->raise();
- } else {
- findWin = makeFindWindow(app);
- findWin->layout(-1, -1, -1, -1);
- findWin->map();
- }
- }
-
- static void findButtonCbk(LTKWidget *button, int n, GBool on) {
- LTKTextIn *textIn;
-
- if (!doc)
- return;
- if (n == 1) {
- textIn = (LTKTextIn *)findWin->findWidget("text");
- doFind(textIn->getText()->getCString());
- } else {
- delete findWin;
- findWin = NULL;
- }
- }
-
- static void doFind(char *s) {
- TextOutputDev *textOut;
- int xMin, yMin, xMax, yMax;
- double xMin1, yMin1, xMax1, yMax1;
- int pg;
- GBool top;
- GString *s1;
-
- // check for zero-length string
- if (!s[0]) {
- XBell(display, 0);
- return;
- }
-
- // set cursors to watch
- win->setBusyCursor(gTrue);
- findWin->setBusyCursor(gTrue);
-
- // search current page starting at current selection or top of page
- xMin = yMin = xMax = yMax = 0;
- if (selectXMin < selectXMax && selectYMin < selectYMax) {
- xMin = selectXMax;
- yMin = (selectYMin + selectYMax) / 2;
- top = gFalse;
- } else {
- top = gTrue;
- }
- if (out->findText(s, top, gTrue, &xMin, &yMin, &xMax, &yMax))
- goto found;
-
- // search following pages
- textOut = new TextOutputDev(NULL, gFalse);
- if (!textOut->isOk()) {
- delete textOut;
- goto done;
- }
- for (pg = page+1; pg <= doc->getNumPages(); ++pg) {
- doc->displayPage(textOut, pg, 72, 0, gFalse);
- if (textOut->findText(s, gTrue, gTrue, &xMin1, &yMin1, &xMax1, &yMax1))
- goto foundPage;
- }
-
- // search previous pages
- for (pg = 1; pg < page; ++pg) {
- doc->displayPage(textOut, pg, 72, 0, gFalse);
- if (textOut->findText(s, gTrue, gTrue, &xMin1, &yMin1, &xMax1, &yMax1))
- goto foundPage;
- }
- delete textOut;
-
- // search current page ending at current selection
- if (selectXMin < selectXMax && selectYMin < selectYMax) {
- xMax = selectXMin;
- yMax = (selectYMin + selectYMax) / 2;
- if (out->findText(s, gTrue, gFalse, &xMin, &yMin, &xMax, &yMax))
- goto found;
- }
-
- // not found
- XBell(display, 0);
- goto done;
-
- // found on a different page
- foundPage:
- delete textOut;
- displayPage(pg, zoom, rotate);
- if (!out->findText(s, gTrue, gTrue, &xMin, &yMin, &xMax, &yMax))
- goto done; // this can happen if coalescing is bad
-
- // found: change the selection
- found:
- setSelection(xMin, yMin, xMax, yMax);
- #ifndef NO_TEXT_SELECT
- if (doc->okToCopy()) {
- s1 = out->getText(selectXMin, selectYMin, selectXMax, selectYMax);
- win->setSelection(NULL, s1);
- }
- #endif
-
- done:
- // reset cursors to normal
- win->setBusyCursor(gFalse);
- findWin->setBusyCursor(gFalse);
- }
-
- //------------------------------------------------------------------------
- // app kill callback
- //------------------------------------------------------------------------
-
- static void killCbk(LTKWindow *win1) {
- if (win1 == win) {
- quit = gTrue;
- } else if (win1 == aboutWin) {
- delete aboutWin;
- aboutWin = NULL;
- } else if (win1 == psDialog) {
- delete psDialog;
- psDialog = NULL;
- } else if (win1 == openDialog) {
- delete openDialog;
- openDialog = NULL;
- } else if (win1 == saveDialog) {
- delete saveDialog;
- saveDialog = NULL;
- } else if (win1 == findWin) {
- delete findWin;
- findWin = NULL;
- }
- }
-