diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.executable/library/motif/eclipseMotifInit.c')
| -rw-r--r-- | bundles/org.eclipse.equinox.executable/library/motif/eclipseMotifInit.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.executable/library/motif/eclipseMotifInit.c b/bundles/org.eclipse.equinox.executable/library/motif/eclipseMotifInit.c new file mode 100644 index 000000000..794342221 --- /dev/null +++ b/bundles/org.eclipse.equinox.executable/library/motif/eclipseMotifInit.c @@ -0,0 +1,144 @@ +/******************************************************************************* + * Copyright (c) 2007 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ + +#include "eclipseMotif.h" +#include "eclipseCommon.h" +#include <dlfcn.h> +#include <stdlib.h> + +struct MOTIF_PTRS motif; + +/* need to undef these so the FN_TABLE works ok */ +#undef _XmStrings +#undef XtShellStrings +#undef XtStrings + +/* functions from libXm */ +static FN_TABLE xmFunctions[] = { FN_TABLE_ENTRY(XmCreateDrawingArea), + FN_TABLE_ENTRY(XmCreateLabelGadget), + FN_TABLE_ENTRY(XmCreateMainWindow), + FN_TABLE_ENTRY(XmCreateMessageDialog), + FN_TABLE_ENTRY(XmMessageBoxGetChild), + FN_TABLE_ENTRY(XmStringFree), + FN_TABLE_ENTRY(XmStringGenerate), + FN_TABLE_ENTRY(_XmStrings), /* not a function */ + { NULL, NULL } + }; + +/* functions from libXt */ +static FN_TABLE xtFunctions[] = { FN_TABLE_ENTRY(XtAddCallback), + FN_TABLE_ENTRY(XtAppCreateShell), + FN_TABLE_ENTRY(XtAppNextEvent), + FN_TABLE_ENTRY(XtAppPending), + FN_TABLE_ENTRY(XtAppProcessEvent), + FN_TABLE_ENTRY(XtDestroyWidget), + FN_TABLE_ENTRY(XtDispatchEvent), + FN_TABLE_ENTRY(XtGetValues), +#ifndef AIX + FN_TABLE_ENTRY(XtInitialize), +#endif + FN_TABLE_ENTRY(XtIsManaged), + FN_TABLE_ENTRY(XtManageChild), + FN_TABLE_ENTRY(XtMapWidget), + FN_TABLE_ENTRY(XtPopup), + FN_TABLE_ENTRY(XtRealizeWidget), + FN_TABLE_ENTRY(XtSetLanguageProc), + FN_TABLE_ENTRY(XtSetMappedWhenManaged), + FN_TABLE_ENTRY(XtSetValues), + FN_TABLE_ENTRY(XtUnmanageChild), + FN_TABLE_ENTRY(XtWidgetToApplicationContext), + FN_TABLE_ENTRY(XtWindowOfObject), + FN_TABLE_ENTRY(XtShellStrings), /* not a function */ + FN_TABLE_ENTRY(XtStrings), /* not a function */ + FN_TABLE_ENTRY(applicationShellWidgetClass), /* not a function */ + { NULL, NULL } + }; + +/* functions from libX11 */ +static FN_TABLE x11Functions[] = { FN_TABLE_ENTRY(XDefaultScreenOfDisplay), + FN_TABLE_ENTRY(XFree), + FN_TABLE_ENTRY(XFlush), + FN_TABLE_ENTRY(XGetGeometry), + FN_TABLE_ENTRY(XMapWindow), + { NULL, NULL } + }; + +#ifndef NO_XINERAMA_EXTENSIONS +static FN_TABLE xinFunctions[] = { FN_TABLE_ENTRY(XineramaIsActive), + FN_TABLE_ENTRY(XineramaQueryScreens), + { NULL, NULL } + }; +#endif + +static int loadMotifSymbols( void * library, FN_TABLE * table) { + int i = 0; + void * fn; + for (i = 0; table[i].fnName != NULL; i++) { + fn = findSymbol(library, table[i].fnName); + if (fn != 0) { + *(table[i].fnPtr) = fn; + } else { + *(table[i].fnPtr) = 0; + return -1; + } + } + return 0; +} + +int loadMotif() { + void * xmLib = NULL, *xtLib = NULL, *x11Lib = NULL, *xinLib = NULL; + char * path = getProgramDir(); + int dlFlags = RTLD_LAZY; + + /* initialize ptr struct to 0's */ + memset(&motif, 0, sizeof(struct MOTIF_PTRS)); + +#ifndef AIX + if (path != NULL) { + /* look for libXm first in the root of eclipse */ + char * lib = malloc((strlen(path) + strlen(_T_ECLIPSE(XM_LIB)) + 2) * sizeof(char)); + sprintf( lib, "%s%c%s", path, dirSeparator, XM_LIB); + xmLib = dlopen(lib, dlFlags); + free(lib); + } +#else + dlFlags |= RTLD_MEMBER; +#endif + + if (xmLib == NULL) { + xmLib = dlopen(XM_LIB, dlFlags); + } + + if (xmLib == NULL) { + /* bail now, don't load the others, libXm must be loaded first, so leave things for + * swt to do later */ + return -1; + } + + xtLib = dlopen(XT_LIB, dlFlags); + x11Lib = dlopen(X11_LIB, dlFlags); + + /* printf("XmLib: %s: %x\nXtLib: %s: %x\nX11Lib:%s, %x\n", XM_LIB, xmLib, XT_LIB, xtLib, X11_LIB, x11Lib);*/ +#ifndef NO_XINERAMA_EXTENSIONS + /* don't fail without Xinerama */ + xinLib = dlopen(XIN_LIB, dlFlags); + if (xinLib != NULL) + loadMotifSymbols(xinLib, xinFunctions); +#endif + if( xtLib == NULL || x11Lib == NULL) + return -1; + + if (loadMotifSymbols(xmLib, xmFunctions) != 0) return -1; + if (loadMotifSymbols(xtLib, xtFunctions) != 0) return -1; + if (loadMotifSymbols(x11Lib, x11Functions) != 0) return -1; + + return 0; +} |