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#include "plugin.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
#include <gdk/gdk.h>
#include <string.h>
#include <stdlib.h>
//#define DEBUG
#include "dbg.h"
#include "misc.h"
#include "bg.h"
#include "gtkbgbox.h"
static GList *pcl = NULL;
/* counter for static (built-in) plugins must be greater then zero
* so fbpanel will not try to unload them */
#define REGISTER_PLUGIN_CLASS(pc, dynamic) \
do {\
extern plugin_class pc;\
register_plugin_class(&pc, dynamic);\
} while (0)
static void
register_plugin_class(plugin_class *pc, int dynamic)
{
pcl = g_list_append(pcl, pc);
pc->dynamic = dynamic;
if (!pc->dynamic)
pc->count++;
/* reloading tray results in segfault due to registering static type in dll.
* so keep it always onboard until bug fix */
if (!strcmp(pc->type, "tray"))
pc->count++;
}
static void
init_plugin_class_list()
{
ENTER;
#ifdef STATIC_SEPARATOR
REGISTER_PLUGIN_CLASS(separator_plugin_class, 0);
#endif
#ifdef STATIC_IMAGE
REGISTER_PLUGIN_CLASS(image_plugin_class, 0);
#endif
#ifdef STATIC_LAUNCHBAR
REGISTER_PLUGIN_CLASS(launchbar_plugin_class, 0);
#endif
#ifdef STATIC_DCLOCK
REGISTER_PLUGIN_CLASS(dclock_plugin_class, 0);
#endif
#ifdef STATIC_WINCMD
REGISTER_PLUGIN_CLASS(wincmd_plugin_class, 0);
#endif
#ifdef STATIC_TEST
REGISTER_PLUGIN_CLASS(test_plugin_class, 0);
#endif
#ifdef STATIC_TASKBAR
REGISTER_PLUGIN_CLASS(taskbar_plugin_class, 0);
#endif
#ifdef STATIC_PAGER
REGISTER_PLUGIN_CLASS(pager_plugin_class, 0);
#endif
#ifdef STATIC_TRAY
REGISTER_PLUGIN_CLASS(tray_plugin_class, 0);
#endif
#ifdef STATIC_MENU
REGISTER_PLUGIN_CLASS(menu_plugin_class, 0);
#endif
#ifdef STATIC_SPACE
REGISTER_PLUGIN_CLASS(space_plugin_class, 0);
#endif
#ifdef STATIC_ICONS
REGISTER_PLUGIN_CLASS(icons_plugin_class, 0);
#endif
RET();
}
plugin *
plugin_load(char *type)
{
GList *tmp;
plugin_class *pc = NULL;
plugin *plug = NULL;
static GString *str = NULL;
ENTER;
if (!pcl)
init_plugin_class_list();
for (tmp = pcl; tmp; tmp = g_list_next(tmp)) {
pc = (plugin_class *) tmp->data;
if (!g_ascii_strcasecmp(type, pc->type)) {
break;
}
}
#ifndef STATIC_PLUGINS
if (!tmp && g_module_supported()) {
GModule *m;
DBG("loading dll %s\n", type);
if (!str)
str = g_string_sized_new(PATH_MAX);
g_string_printf(str, "%s/.fbpanel/plugins/%s.so", getenv("HOME"), type);
m = g_module_open(str->str, G_MODULE_BIND_LOCAL | G_MODULE_BIND_LAZY);
DBG("opening %s\n", str->str);
if (!m) {
DBG("%s\n", g_module_error());
g_string_printf(str, "%s/lib/fbpanel/plugins/%s.so", PREFIX, type);
m = g_module_open(str->str, G_MODULE_BIND_LOCAL | G_MODULE_BIND_LAZY);
DBG("opening %s\n", str->str);
}
if (!m) {
ERR("%s\n", g_module_error());
RET(NULL);
}
if (verbose)
ERR("loading %s\n", str->str);
g_string_printf(str, "%s_plugin_class", type);
if (!g_module_symbol(m, str->str, &pc) || pc == NULL
|| strcmp(type, pc->type)) {
g_module_close(m);
ERR("%s.so is not a fbpanel plugin\n", type);
RET(NULL);
}
pc->gmodule = m;
register_plugin_class(pc, 1);
}
#endif
/* nothing was found */
if (!pc)
RET(NULL);
plug = g_new0(plugin, 1);
g_return_val_if_fail (plug != NULL, NULL);
plug->class = pc;
pc->count++;
RET(plug);
}
void plugin_put(plugin *this)
{
plugin_class *pc = this->class;
ENTER;
pc->count--;
if (pc->count == 0 && pc->dynamic) {
pcl = g_list_remove(pcl, pc);
g_module_close(pc->gmodule);
DBG("unloading plugin %s\n", pc->type);
}
g_free(this);
RET();
}
int
plugin_start(plugin *this)
{
ENTER;
if (!this->class->invisible) {
this->pwid = gtk_bgbox_new();
gtk_widget_set_name(this->pwid, this->class->type);
gtk_box_pack_start(GTK_BOX(this->panel->box), this->pwid, this->expand, TRUE,
this->padding);
if (this->panel->transparent)
gtk_bgbox_set_background(this->pwid, BG_ROOT, this->panel->tintcolor, this->panel->alpha);
gtk_widget_show(this->pwid);
}
if (!this->class->constructor(this)) {
if (!this->class->invisible)
gtk_widget_destroy(this->pwid);
RET(0);
}
RET(1);
}
void plugin_stop(plugin *this)
{
ENTER;
DBG("%s\n", this->class->type);
this->class->destructor(this);
this->panel->plug_num--;
if (!this->class->invisible)
gtk_widget_destroy(this->pwid);
RET();
}
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