move the keyboard and mouse plugins into the kernel for mucho sexiness.

[chaz/openbox] / openbox / plugin.c

diff --git a/openbox/plugin.c b/openbox/plugin.c
index d4c19b12081d529059b8aa390418cb7a0fdca95b..e95d03e9444a4100ce8f64552766e9352ef4cb3f 100644 (file)
--- a/openbox/plugin.c
+++ b/openbox/plugin.c
@@ -1,22 +1,29 @@
+#include "plugins/interface.h"
+
 #include <glib.h>
 #include <gmodule.h>
 
-typedef void (*PluginStartup)();
-typedef void (*PluginShutdown)();
-
 typedef struct {
     GModule *module;
     char *name;
 
+    PluginSetupConfig config;
     PluginStartup startup;
     PluginShutdown shutdown;
+    PluginCreate create;
+    PluginDestroy destroy;
 } Plugin;
 
-static gpointer load_sym(GModule *module, char *name, char *symbol)
+static gpointer load_sym(GModule *module, char *name, char *symbol,
+                        gboolean allow_fail)
 {
-    gpointer var = NULL;
-    if (!g_module_symbol(module, symbol, &var))
-        g_warning("Failed to load symbol '%s' from plugin '%s'", symbol, name);
+    gpointer var;
+    if (!g_module_symbol(module, symbol, &var)) {
+        if (!allow_fail)
+           g_warning("Failed to load symbol '%s' from plugin '%s'",
+                     symbol, name);
+        var = NULL;
+    }
     return var;
 }
 
@@ -27,26 +34,34 @@ static Plugin *plugin_new(char *name)
    
     p = g_new(Plugin, 1);
 
-    path = g_build_filename(PLUGINDIR, name, NULL);
-    p->module = g_module_open(path, G_MODULE_BIND_LAZY);
+    path = g_build_filename(g_get_home_dir(), ".openbox", "plugins", name,
+                            NULL);
+    p->module = g_module_open(path, 0);
     g_free(path);
 
     if (p->module == NULL) {
-       path = g_build_filename(g_get_home_dir(), ".openbox", "plugins", name,
-                               NULL);
-       p->module = g_module_open(path, G_MODULE_BIND_LAZY);
-       g_free(path);
+        path = g_build_filename(PLUGINDIR, name, NULL);
+        p->module = g_module_open(path, 0);
+        g_free(path);
     }
 
     if (p->module == NULL) {
+        g_warning(g_module_error());
         g_free(p);
         return NULL;
     }
 
-    p->startup = load_sym(p->module, name, "startup");
-    p->shutdown = load_sym(p->module, name, "shutdown");
-
-    if (p->startup == NULL || p->shutdown == NULL) {
+    p->config = (PluginSetupConfig)load_sym(p->module, name,
+                                            "plugin_setup_config", FALSE);
+    p->startup = (PluginStartup)load_sym(p->module, name, "plugin_startup",
+                                        FALSE);
+    p->shutdown = (PluginShutdown)load_sym(p->module, name, "plugin_shutdown",
+                                          FALSE);
+    p->create = (PluginCreate)load_sym(p->module, name, "plugin_create", TRUE);
+    p->destroy = (PluginDestroy)load_sym(p->module, name, "plugin_destroy",
+                                        TRUE);
+
+    if (p->config == NULL || p->startup == NULL || p->shutdown == NULL) {
         g_module_close(p->module);
         g_free(p);
         return NULL;
@@ -77,12 +92,13 @@ void plugin_shutdown()
     g_datalist_clear(&plugins);
 }
 
-gboolean plugin_open(char *name)
+gboolean plugin_open_full(char *name, gboolean reopen)
 {
     Plugin *p;
 
     if (g_datalist_get_data(&plugins, name) != NULL) {
-        g_warning("plugin '%s' already loaded, can't load again", name);
+       if (!reopen) 
+           g_warning("plugin '%s' already loaded, can't load again", name);
         return TRUE;
     }
 
@@ -91,13 +107,107 @@ gboolean plugin_open(char *name)
         g_warning("failed to load plugin '%s'", name);
         return FALSE;
     }
+    p->config();
 
-    g_datalist_set_data_full(&plugins, name, p,  (GDestroyNotify) plugin_free);
-    p->startup();
+    g_datalist_set_data_full(&plugins, name, p, (GDestroyNotify) plugin_free);
     return TRUE;
 }
 
+gboolean plugin_open(char *name) {
+    return plugin_open_full(name, FALSE);
+}
+
+gboolean plugin_open_reopen(char *name) {
+    return plugin_open_full(name, TRUE);
+}
+
 void plugin_close(char *name)
 {
     g_datalist_remove_data(&plugins, name);
 }
+
+static void foreach_start(GQuark key, Plugin *p, gpointer *foo)
+{
+    p->startup();
+}
+
+void plugin_startall()
+{
+    g_datalist_foreach(&plugins, (GDataForeachFunc)foreach_start, NULL);
+}
+
+void plugin_loadall()
+{
+    GIOChannel *io;
+    GError *err;
+    char *path, *name;
+
+    path = g_build_filename(g_get_home_dir(), ".openbox", "pluginrc", NULL);
+    err = NULL;
+    io = g_io_channel_new_file(path, "r", &err);
+    g_free(path);
+
+    if (io == NULL) {
+        path = g_build_filename(RCDIR, "pluginrc", NULL);
+        err = NULL;
+        io = g_io_channel_new_file(path, "r", &err);
+        g_free(path);
+    }
+
+    if (io == NULL) {
+        /* load the default plugins */
+        plugin_open("placement");
+        plugin_open("resistance");
+
+        /* XXX rm me when the parser loads me magically */
+        plugin_open("client_menu");
+    } else {
+        /* load the plugins in the rc file */
+        while (g_io_channel_read_line(io, &name, NULL, NULL, &err) ==
+               G_IO_STATUS_NORMAL) {
+            g_strstrip(name);
+            if (name[0] != '\0' && name[0] != '#')
+                plugin_open(name);
+            g_free(name);
+        }
+        g_io_channel_unref(io);
+    }
+}
+
+void *plugin_create(char *name, void *data)
+{
+    Plugin *p = (Plugin *)g_datalist_get_data(&plugins, name);
+
+    if (p == NULL) {
+       g_warning("Unable to find plugin for create: %s", name);
+       return NULL;
+    }
+
+    if (p->create == NULL || p->destroy == NULL) {
+       g_critical("Unsupported create/destroy: %s", name);
+       return NULL;
+    }
+
+    return p->create(data);
+}
+
+void plugin_destroy(char *name, void *data)
+{
+    Plugin *p = (Plugin *)g_datalist_get_data(&plugins, name);
+
+    if (p == NULL) {
+       g_critical("Unable to find plugin for destroy: %s", name);
+       /* really shouldn't happen, but attempt to free something anyway? */
+       g_free(data);
+       return;
+    }
+
+    if (p->destroy == NULL || p->create == NULL) {
+       g_critical("Unsupported create/destroy: %s", name);
+       /* really, really shouldn't happen, but attempt to free anyway? */
+       g_free(data);
+       return;
+    }
+
+    p->destroy(data);
+}