diff options
Diffstat (limited to 'filters/kword/pdf/xpdf/xpdf/XPDFApp.cpp')
| -rw-r--r-- | filters/kword/pdf/xpdf/xpdf/XPDFApp.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/filters/kword/pdf/xpdf/xpdf/XPDFApp.cpp b/filters/kword/pdf/xpdf/xpdf/XPDFApp.cpp new file mode 100644 index 000000000..b64f17c7f --- /dev/null +++ b/filters/kword/pdf/xpdf/xpdf/XPDFApp.cpp @@ -0,0 +1,386 @@ +//======================================================================== +// +// XPDFApp.cpp +// +// Copyright 2002 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include "GString.h" +#include "GList.h" +#include "Error.h" +#include "XPDFViewer.h" +#include "XPDFApp.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 + +//------------------------------------------------------------------------ + +#define remoteCmdSize 512 + +//------------------------------------------------------------------------ + +static String fallbackResources[] = { + "*XmTextField.fontList: -*-courier-medium-r-normal--12-*-*-*-*-*-iso8859-1", + "*.fontList: -*-helvetica-medium-r-normal--12-*-*-*-*-*-iso8859-1", + "*XmTextField.translations: #override\\n" + " Ctrl<Key>a:beginning-of-line()\\n" + " Ctrl<Key>b:backward-character()\\n" + " Ctrl<Key>d:delete-next-character()\\n" + " Ctrl<Key>e:end-of-line()\\n" + " Ctrl<Key>f:forward-character()\\n" + " Ctrl<Key>u:beginning-of-line()delete-to-end-of-line()\\n" + " Ctrl<Key>k:delete-to-end-of-line()\\n", + NULL +}; + +static XrmOptionDescRec xOpts[] = { + {"-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", "*.fontList", XrmoptionSepArg, NULL}, + {"-fn", "*.fontList", XrmoptionSepArg, NULL}, + {"-title", ".title", XrmoptionSepArg, NULL}, + {"-cmap", ".installCmap", XrmoptionNoArg, (XPointer)"on"}, + {"-rgb", ".rgbCubeSize", XrmoptionSepArg, NULL}, + {"-rv", ".reverseVideo", XrmoptionNoArg, (XPointer)"true"}, + {"-papercolor", ".paperColor", XrmoptionSepArg, NULL}, + {"-z", ".initialZoom", XrmoptionSepArg, NULL} +}; + +#define nXOpts (sizeof(xOpts) / sizeof(XrmOptionDescRec)) + +struct XPDFAppResources { + String geometry; + String title; + Bool installCmap; + int rgbCubeSize; + Bool reverseVideo; + String paperColor; + String initialZoom; + Bool viKeys; +}; + +static Bool defInstallCmap = False; +static int defRGBCubeSize = defaultRGBCube; +static Bool defReverseVideo = False; +static Bool defViKeys = False; + +static XtResource xResources[] = { + { "geometry", "Geometry", XtRString, sizeof(String), XtOffsetOf(XPDFAppResources, geometry), XtRString, (XtPointer)NULL }, + { "title", "Title", XtRString, sizeof(String), XtOffsetOf(XPDFAppResources, title), XtRString, (XtPointer)NULL }, + { "installCmap", "InstallCmap", XtRBool, sizeof(Bool), XtOffsetOf(XPDFAppResources, installCmap), XtRBool, (XtPointer)&defInstallCmap }, + { "rgbCubeSize", "RgbCubeSize", XtRInt, sizeof(int), XtOffsetOf(XPDFAppResources, rgbCubeSize), XtRInt, (XtPointer)&defRGBCubeSize }, + { "reverseVideo", "ReverseVideo", XtRBool, sizeof(Bool), XtOffsetOf(XPDFAppResources, reverseVideo), XtRBool, (XtPointer)&defReverseVideo }, + { "paperColor", "PaperColor", XtRString, sizeof(String), XtOffsetOf(XPDFAppResources, paperColor), XtRString, (XtPointer)NULL }, + { "initialZoom", "InitialZoom", XtRString, sizeof(String), XtOffsetOf(XPDFAppResources, initialZoom), XtRString, (XtPointer)NULL }, + { "viKeys", "ViKeys", XtRBool, sizeof(Bool), XtOffsetOf(XPDFAppResources, viKeys), XtRBool, (XtPointer)&defViKeys } +}; + +#define nXResources (sizeof(xResources) / sizeof(XtResource)) + +//------------------------------------------------------------------------ +// XPDFApp +//------------------------------------------------------------------------ + +#if 0 //~ for debugging +static int xErrorHandler(Display *display, XErrorEvent *ev) { + printf("X error:\n"); + printf(" resource ID = %08lx\n", ev->resourceid); + printf(" serial = %lu\n", ev->serial); + printf(" error_code = %d\n", ev->error_code); + printf(" request_code = %d\n", ev->request_code); + printf(" minor_code = %d\n", ev->minor_code); + fflush(stdout); + abort(); +} +#endif + +XPDFApp::XPDFApp(int *argc, char *argv[]) { + appShell = XtAppInitialize(&appContext, xpdfAppName, xOpts, nXOpts, + argc, argv, fallbackResources, NULL, 0); + display = XtDisplay(appShell); + screenNum = XScreenNumberOfScreen(XtScreen(appShell)); +#if XmVERSION > 1 + XtVaSetValues(XmGetXmDisplay(XtDisplay(appShell)), + XmNenableButtonTab, True, NULL); +#endif +#if XmVERSION > 1 + // Drag-and-drop appears to be buggy -- I'm seeing weird crashes + // deep in the Motif code when I destroy widgets in the XpdfForms + // code. Xpdf doesn't use it, so just turn it off. + XtVaSetValues(XmGetXmDisplay(XtDisplay(appShell)), + XmNdragInitiatorProtocolStyle, XmDRAG_NONE, + XmNdragReceiverProtocolStyle, XmDRAG_NONE, + NULL); +#endif + +#if 0 //~ for debugging + XSynchronize(display, True); + XSetErrorHandler(&xErrorHandler); +#endif + + fullScreen = gFalse; + remoteAtom = None; + remoteViewer = NULL; + remoteWin = None; + + getResources(); + + viewers = new GList(); + +} + +void XPDFApp::getResources() { + XPDFAppResources resources; + XColor xcol, xcol2; + Colormap colormap; + + XtGetApplicationResources(appShell, &resources, xResources, nXResources, + NULL, 0); + geometry = resources.geometry ? new GString(resources.geometry) + : (GString *)NULL; + title = resources.title ? new GString(resources.title) : (GString *)NULL; + installCmap = (GBool)resources.installCmap; + rgbCubeSize = resources.rgbCubeSize; + reverseVideo = (GBool)resources.reverseVideo; + paperColor = reverseVideo ? BlackPixel(display, screenNum) : + WhitePixel(display, screenNum); + if (resources.paperColor) { + XtVaGetValues(appShell, XmNcolormap, &colormap, NULL); + if (XAllocNamedColor(display, colormap, resources.paperColor, + &xcol, &xcol2)) { + paperColor = xcol.pixel; + } else { + error(-1, "Couldn't allocate color '%s'", resources.paperColor); + } + } + initialZoom = resources.initialZoom ? new GString(resources.initialZoom) + : (GString *)NULL; + viKeys = (GBool)resources.viKeys; +} + +XPDFApp::~XPDFApp() { + deleteGList(viewers, XPDFViewer); + if (geometry) { + delete geometry; + } + if (title) { + delete title; + } + if (initialZoom) { + delete initialZoom; + } +} + +XPDFViewer *XPDFApp::open(GString *fileName, int page, + GString *ownerPassword, GString *userPassword) { + XPDFViewer *viewer; + + viewer = new XPDFViewer(this, fileName, page, NULL, + ownerPassword, userPassword); + if (!viewer->isOk()) { + delete viewer; + return NULL; + } + if (remoteAtom != None) { + remoteViewer = viewer; + remoteWin = viewer->getWindow(); + XtAddEventHandler(remoteWin, PropertyChangeMask, False, + &remoteMsgCbk, this); + XSetSelectionOwner(display, remoteAtom, XtWindow(remoteWin), CurrentTime); + } + viewers->append(viewer); + return viewer; +} + +XPDFViewer *XPDFApp::openAtDest(GString *fileName, GString *dest, + GString *ownerPassword, + GString *userPassword) { + XPDFViewer *viewer; + + viewer = new XPDFViewer(this, fileName, 1, dest, + ownerPassword, userPassword); + if (!viewer->isOk()) { + delete viewer; + return NULL; + } + if (remoteAtom != None) { + remoteViewer = viewer; + remoteWin = viewer->getWindow(); + XtAddEventHandler(remoteWin, PropertyChangeMask, False, + &remoteMsgCbk, this); + XSetSelectionOwner(display, remoteAtom, XtWindow(remoteWin), CurrentTime); + } + viewers->append(viewer); + return viewer; +} + +void XPDFApp::close(XPDFViewer *viewer, GBool closeLast) { + int i; + + if (viewers->getLength() == 1) { + if (viewer != (XPDFViewer *)viewers->get(0)) { + return; + } + if (closeLast) { + quit(); + } else { + viewer->clear(); + } + } else { + for (i = 0; i < viewers->getLength(); ++i) { + if (((XPDFViewer *)viewers->get(i)) == viewer) { + viewers->del(i); + if (remoteAtom != None && remoteViewer == viewer) { + remoteViewer = (XPDFViewer *)viewers->get(viewers->getLength() - 1); + remoteWin = remoteViewer->getWindow(); + XSetSelectionOwner(display, remoteAtom, XtWindow(remoteWin), + CurrentTime); + } + delete viewer; + return; + } + } + } +} + +void XPDFApp::quit() { + if (remoteAtom != None) { + XSetSelectionOwner(display, remoteAtom, None, CurrentTime); + } + while (viewers->getLength() > 0) { + delete (XPDFViewer *)viewers->del(0); + } + XtAppSetExitFlag(appContext); +} + +void XPDFApp::run() { + XtAppMainLoop(appContext); +} + +void XPDFApp::setRemoteName(char *remoteName) { + remoteAtom = XInternAtom(display, remoteName, False); + remoteXWin = XGetSelectionOwner(display, remoteAtom); +} + +GBool XPDFApp::remoteServerRunning() { + return remoteXWin != None; +} + +void XPDFApp::remoteOpen(GString *fileName, int page, GBool raise) { + char cmd[remoteCmdSize]; + + sprintf(cmd, "%c %d %.200s", + raise ? 'D' : 'd', page, fileName->getCString()); + XChangeProperty(display, remoteXWin, remoteAtom, remoteAtom, 8, + PropModeReplace, (Guchar *)cmd, strlen(cmd) + 1); + XFlush(display); +} + +void XPDFApp::remoteOpenAtDest(GString *fileName, GString *dest, GBool raise) { + char cmd[remoteCmdSize]; + + sprintf(cmd, "%c +%.256s %.200s", + raise ? 'D' : 'd', dest->getCString(), fileName->getCString()); + XChangeProperty(display, remoteXWin, remoteAtom, remoteAtom, 8, + PropModeReplace, (Guchar *)cmd, strlen(cmd) + 1); + XFlush(display); +} + +void XPDFApp::remoteRaise() { + XChangeProperty(display, remoteXWin, remoteAtom, remoteAtom, 8, + PropModeReplace, (Guchar *)"r", 2); + XFlush(display); +} + +void XPDFApp::remoteQuit() { + XChangeProperty(display, remoteXWin, remoteAtom, remoteAtom, 8, + PropModeReplace, (Guchar *)"q", 2); + XFlush(display); +} + +void XPDFApp::remoteMsgCbk(Widget widget, XtPointer ptr, + XEvent *event, Boolean *cont) { + XPDFApp *app = (XPDFApp *)ptr; + char *cmd; + Atom type; + int format; + Gulong size, remain; + char *p, *q; + GString *fileName; + int page; + GString *destName; + + if (event->xproperty.atom != app->remoteAtom) { + *cont = True; + return; + } + *cont = False; + + // get command + if (XGetWindowProperty(app->display, XtWindow(app->remoteWin), + app->remoteAtom, 0, remoteCmdSize/4, + True, app->remoteAtom, + &type, &format, &size, &remain, + (Guchar **)&cmd) != Success) { + return; + } + if (size == 0) { + return; + } + + // raise window + if (cmd[0] == 'D' || cmd[0] == 'r'){ + XMapRaised(app->display, XtWindow(app->remoteWin)); + XFlush(app->display); + } + + // display file / page + if (cmd[0] == 'd' || cmd[0] == 'D') { + p = cmd + 2; + q = strchr(p, ' '); + if (!q) { + return; + } + *q++ = '\0'; + page = 1; + destName = NULL; + if (*p == '+') { + destName = new GString(p + 1); + } else { + page = atoi(p); + } + if (q) { + fileName = new GString(q); + app->remoteViewer->open(fileName, page, destName); + delete fileName; + } + XFree((XPointer)cmd); + if (destName) { + delete destName; + } + + // quit + } else if (cmd[0] == 'q') { + app->quit(); + } +} |