84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
#include "engine.h"
|
|
|
|
#include <glib.h>
|
|
#include <gmodule.h>
|
|
#ifdef HAVE_STDLIB_H
|
|
# include <stdlib.h>
|
|
#endif
|
|
|
|
static GModule *module;
|
|
static EngineStartup *estartup;
|
|
static EngineShutdown *eshutdown;
|
|
|
|
#define LOADSYM(name, var) \
|
|
if (!g_module_symbol(module, #name, (gpointer*)&var)) { \
|
|
g_warning("Failed to load symbol %s from engine", #name); \
|
|
return FALSE; \
|
|
}
|
|
|
|
static gboolean load(char *name)
|
|
{
|
|
char *path;
|
|
|
|
g_assert(module == NULL);
|
|
|
|
path = g_build_filename(ENGINEDIR, name, NULL);
|
|
module = g_module_open(path, G_MODULE_BIND_LAZY);
|
|
g_free(path);
|
|
|
|
if (module == NULL) {
|
|
path = g_build_filename(g_get_home_dir(), ".openbox", "engines", name,
|
|
NULL);
|
|
module = g_module_open(path, G_MODULE_BIND_LAZY);
|
|
g_free(path);
|
|
}
|
|
|
|
if (module == NULL)
|
|
return FALSE;
|
|
|
|
/* load the engine's symbols */
|
|
LOADSYM(startup, estartup);
|
|
LOADSYM(shutdown, eshutdown);
|
|
LOADSYM(frame_new, engine_frame_new);
|
|
LOADSYM(frame_grab_client, engine_frame_grab_client);
|
|
LOADSYM(frame_release_client, engine_frame_release_client);
|
|
LOADSYM(frame_adjust_size, engine_frame_adjust_size);
|
|
LOADSYM(frame_adjust_position, engine_frame_adjust_position);
|
|
LOADSYM(frame_adjust_shape, engine_frame_adjust_shape);
|
|
LOADSYM(frame_adjust_state, engine_frame_adjust_state);
|
|
LOADSYM(frame_adjust_focus, engine_frame_adjust_focus);
|
|
LOADSYM(frame_adjust_title, engine_frame_adjust_title);
|
|
LOADSYM(frame_adjust_icon, engine_frame_adjust_icon);
|
|
LOADSYM(frame_show, engine_frame_show);
|
|
LOADSYM(frame_hide, engine_frame_hide);
|
|
LOADSYM(get_context, engine_get_context);
|
|
|
|
if (!estartup())
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void engine_startup(char *engine)
|
|
{
|
|
module = NULL;
|
|
|
|
if (engine != NULL) {
|
|
if (load(engine))
|
|
return;
|
|
g_warning("Failed to load the engine '%s'", engine);
|
|
g_message("Falling back to the default: '%s'", DEFAULT_ENGINE);
|
|
}
|
|
if (!load(DEFAULT_ENGINE)) {
|
|
g_critical("Failed to load the engine '%s'. Aborting", DEFAULT_ENGINE);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void engine_shutdown()
|
|
{
|
|
if (module != NULL) {
|
|
eshutdown();
|
|
g_module_close(module);
|
|
}
|
|
}
|