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/*******************************************************************************
* 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 "eclipseGtk.h"
#include "eclipseCommon.h"
#include <dlfcn.h>
#include <string.h>
struct GTK_PTRS gtk = { 1 }; /* initialize the first field "not_initialized" so we can tell when we've loaded the pointers */
/* tables to help initialize the function pointers */
/* functions from libgtk-x11-2.0 */
static FN_TABLE gtkFunctions[] = { FN_TABLE_ENTRY(gtk_adjustment_new),
FN_TABLE_ENTRY(gtk_box_set_child_packing),
FN_TABLE_ENTRY(gtk_container_add),
FN_TABLE_ENTRY(gtk_dialog_run),
FN_TABLE_ENTRY(gtk_fixed_new),
FN_TABLE_ENTRY(gtk_fixed_set_has_window),
FN_TABLE_ENTRY(gtk_image_new_from_pixbuf),
FN_TABLE_ENTRY(gtk_init_check),
FN_TABLE_ENTRY(gtk_message_dialog_new),
FN_TABLE_ENTRY(gtk_scrolled_window_set_policy),
FN_TABLE_ENTRY(gtk_scrolled_window_new),
FN_TABLE_ENTRY(gtk_set_locale),
FN_TABLE_ENTRY(gtk_signal_connect_full),
FN_TABLE_ENTRY(gtk_vbox_new),
FN_TABLE_ENTRY(gtk_widget_destroy),
FN_TABLE_ENTRY(gtk_widget_destroyed),
FN_TABLE_ENTRY(gtk_widget_show_all),
FN_TABLE_ENTRY(gtk_window_new),
FN_TABLE_ENTRY(gtk_window_resize),
FN_TABLE_ENTRY(gtk_window_set_title),
FN_TABLE_ENTRY(gtk_window_set_decorated),
FN_TABLE_ENTRY(gtk_window_set_position),
{ NULL, NULL }
};
/* functions from libgdk-x11-2.0 */
static FN_TABLE gdkFunctions[] = { FN_TABLE_ENTRY(gdk_set_program_class),
FN_TABLE_ENTRY(gdk_property_change),
FN_TABLE_ENTRY(gdk_atom_intern),
FN_TABLE_ENTRY(gdk_window_foreign_new),
FN_TABLE_ENTRY(gdk_display), /* not a function */
{ NULL, NULL }
};
/* functions from libgdk_pixbuf-2.0 */
static FN_TABLE pixFunctions[] = { FN_TABLE_ENTRY(gdk_pixbuf_new_from_file),
FN_TABLE_ENTRY(gdk_pixbuf_get_width),
FN_TABLE_ENTRY(gdk_pixbuf_get_height),
{ NULL, NULL }
};
/* functions from libgobject-2.0 */
static FN_TABLE gobjFunctions[] = { FN_TABLE_ENTRY(g_log_set_handler),
FN_TABLE_ENTRY(g_log_remove_handler),
FN_TABLE_ENTRY(g_main_context_iteration),
FN_TABLE_ENTRY(g_object_unref),
FN_TABLE_ENTRY(g_timeout_add),
#ifdef SOLARIS
FN_TABLE_ENTRY(g_string_insert_c),
#endif
{ NULL, NULL }
};
/* functions from libX11 */
static FN_TABLE x11Functions[] = { FN_TABLE_ENTRY(XGetSelectionOwner),
FN_TABLE_ENTRY(XSetSelectionOwner),
FN_TABLE_ENTRY(XCreateWindow),
FN_TABLE_ENTRY(XSync),
FN_TABLE_ENTRY(XRootWindow),
FN_TABLE_ENTRY(XDefaultScreen),
FN_TABLE_ENTRY(XInternAtom),
{ NULL, NULL }
};
static int loadGtkSymbols( 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
return -1;
}
return 0;
}
int loadGtk() {
void * objLib = dlopen(GOBJ_LIB, RTLD_LAZY);
void * gdkLib = dlopen(GDK_LIB, RTLD_LAZY);
void * pixLib = dlopen(PIXBUF_LIB, RTLD_LAZY);
void * gtkLib = dlopen(GTK_LIB, RTLD_LAZY);
void * x11Lib = dlopen(X11_LIB, RTLD_LAZY);
/* initialize ptr struct to 0's */
memset(>k, 0, sizeof(struct GTK_PTRS));
if ( gtkLib == NULL || loadGtkSymbols(gtkLib, gtkFunctions) != 0) return -1;
if ( gdkLib == NULL || loadGtkSymbols(gdkLib, gdkFunctions) != 0) return -1;
if ( pixLib == NULL || loadGtkSymbols(pixLib, pixFunctions) != 0) return -1;
if ( objLib == NULL || loadGtkSymbols(objLib, gobjFunctions) != 0) return -1;
if ( x11Lib == NULL || loadGtkSymbols(x11Lib, x11Functions) != 0) return -1;
return 0;
}
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