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356 lines
9.7 KiB
C
356 lines
9.7 KiB
C
/*
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* callbacks.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later WITH OpenSSL-exception
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*/
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#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include "command/cmd_defs.h"
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#include "command/cmd_ac.h"
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#include "plugins/callbacks.h"
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#include "plugins/plugins.h"
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#include "tools/autocomplete.h"
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#include "tools/parser.h"
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#include "ui/ui.h"
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#include "ui/window_list.h"
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static GHashTable* p_commands = NULL;
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static GHashTable* p_timed_functions = NULL;
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static GHashTable* p_window_callbacks = NULL;
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static void
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_free_window_callback(PluginWindowCallback* window_callback)
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{
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if (window_callback->callback_destroy) {
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window_callback->callback_destroy(window_callback->callback);
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}
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free(window_callback);
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}
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static void
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_free_window_callbacks(GHashTable* window_callbacks)
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{
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g_hash_table_destroy(window_callbacks);
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}
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static void
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_free_command_help(CommandHelp* help)
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{
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int i = 0;
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while (help->tags[i] != NULL) {
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free(help->tags[i++]);
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}
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i = 0;
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while (help->synopsis[i] != NULL) {
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free(help->synopsis[i++]);
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}
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free(help->desc);
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i = 0;
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while (help->args[i][0] != NULL) {
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free(help->args[i][0]);
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free(help->args[i][1]);
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i++;
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}
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i = 0;
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while (help->examples[i] != NULL) {
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free(help->examples[i++]);
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}
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free(help);
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}
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static void
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_free_command(PluginCommand* command)
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{
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if (command->callback_destroy) {
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command->callback_destroy(command->callback);
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}
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free(command->command_name);
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if (command->help)
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_free_command_help(command->help);
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free(command);
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}
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static void
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_free_command_hash(GHashTable* command_hash)
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{
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g_hash_table_destroy(command_hash);
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}
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static void
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_free_timed_function(PluginTimedFunction* timed_function)
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{
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if (!timed_function)
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return;
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if (timed_function->callback_destroy) {
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timed_function->callback_destroy(timed_function->callback);
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}
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g_timer_destroy(timed_function->timer);
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free(timed_function);
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}
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static void
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_free_timed_function_list(GList* timed_functions)
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{
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g_list_free_full(timed_functions, (GDestroyNotify)_free_timed_function);
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}
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void
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callbacks_init(void)
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{
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p_commands = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)_free_command_hash);
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p_timed_functions = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)_free_timed_function_list);
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p_window_callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)_free_window_callbacks);
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}
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void
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callbacks_remove(const char* const plugin_name)
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{
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GHashTable* command_hash = g_hash_table_lookup(p_commands, plugin_name);
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if (command_hash) {
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GList* commands = g_hash_table_get_keys(command_hash);
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GList* curr = commands;
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while (curr) {
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char* command = curr->data;
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cmd_ac_remove(command);
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cmd_ac_remove_help(&command[1]);
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curr = g_list_next(curr);
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}
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g_list_free(commands);
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}
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g_hash_table_remove(p_commands, plugin_name);
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g_hash_table_remove(p_timed_functions, plugin_name);
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GHashTable* tag_to_win_cb_hash = g_hash_table_lookup(p_window_callbacks, plugin_name);
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if (tag_to_win_cb_hash) {
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GList* tags = g_hash_table_get_keys(tag_to_win_cb_hash);
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GList* curr = tags;
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while (curr) {
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wins_close_plugin(curr->data);
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curr = g_list_next(curr);
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}
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g_list_free(tags);
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}
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g_hash_table_remove(p_window_callbacks, plugin_name);
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}
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void
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callbacks_close(void)
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{
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g_hash_table_destroy(p_window_callbacks);
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p_window_callbacks = NULL;
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g_hash_table_destroy(p_timed_functions);
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p_timed_functions = NULL;
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g_hash_table_destroy(p_commands);
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p_commands = NULL;
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}
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void
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callbacks_add_command(const char* const plugin_name, PluginCommand* command)
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{
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GHashTable* command_hash = g_hash_table_lookup(p_commands, plugin_name);
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if (command_hash) {
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g_hash_table_insert(command_hash, g_strdup(command->command_name), command);
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} else {
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command_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)_free_command);
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g_hash_table_insert(command_hash, g_strdup(command->command_name), command);
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g_hash_table_insert(p_commands, g_strdup(plugin_name), command_hash);
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}
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cmd_ac_add(command->command_name);
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cmd_ac_add_help(&command->command_name[1]);
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}
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void
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callbacks_add_timed(const char* const plugin_name, PluginTimedFunction* timed_function)
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{
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GList* timed_function_list = g_hash_table_lookup(p_timed_functions, plugin_name);
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if (timed_function_list) {
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// we assign this so we dont get: -Werror=unused-result
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timed_function_list = g_list_append(timed_function_list, timed_function);
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} else {
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timed_function_list = g_list_append(timed_function_list, timed_function);
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g_hash_table_insert(p_timed_functions, g_strdup(plugin_name), timed_function_list);
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}
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}
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gboolean
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callbacks_win_exists(const char* const plugin_name, const char* tag)
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{
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GHashTable* window_callbacks = g_hash_table_lookup(p_window_callbacks, plugin_name);
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if (window_callbacks) {
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PluginWindowCallback* cb = g_hash_table_lookup(window_callbacks, tag);
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if (cb) {
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return TRUE;
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}
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}
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return FALSE;
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}
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void
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callbacks_remove_win(const char* const plugin_name, const char* const tag)
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{
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GHashTable* window_callbacks = g_hash_table_lookup(p_window_callbacks, plugin_name);
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if (window_callbacks) {
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g_hash_table_remove(window_callbacks, tag);
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}
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}
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void
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callbacks_add_window_handler(const char* const plugin_name, const char* tag, PluginWindowCallback* window_callback)
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{
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GHashTable* window_callbacks = g_hash_table_lookup(p_window_callbacks, plugin_name);
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if (window_callbacks) {
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g_hash_table_insert(window_callbacks, g_strdup(tag), window_callback);
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} else {
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window_callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)_free_window_callback);
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g_hash_table_insert(window_callbacks, g_strdup(tag), window_callback);
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g_hash_table_insert(p_window_callbacks, g_strdup(plugin_name), window_callbacks);
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}
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}
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void*
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callbacks_get_window_handler(const char* tag)
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{
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if (p_window_callbacks) {
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GList* window_callback_hashes = g_hash_table_get_values(p_window_callbacks);
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GList* curr_hash = window_callback_hashes;
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while (curr_hash) {
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GHashTable* window_callback_hash = curr_hash->data;
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PluginWindowCallback* callback = g_hash_table_lookup(window_callback_hash, tag);
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if (callback) {
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g_list_free(window_callback_hashes);
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return callback;
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}
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curr_hash = g_list_next(curr_hash);
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}
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g_list_free(window_callback_hashes);
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return NULL;
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} else {
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return NULL;
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}
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}
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gboolean
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plugins_run_command(const char* const input)
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{
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auto_gcharv gchar** split = g_strsplit(input, " ", -1);
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GList* command_hashes = g_hash_table_get_values(p_commands);
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GList* curr_hash = command_hashes;
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while (curr_hash) {
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GHashTable* command_hash = curr_hash->data;
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PluginCommand* command = g_hash_table_lookup(command_hash, split[0]);
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if (command) {
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gboolean result;
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auto_gcharv gchar** args = parse_args_with_freetext(input, command->min_args, command->max_args, &result);
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if (result == FALSE) {
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ui_invalid_command_usage(command->command_name, NULL);
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} else {
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command->callback_exec(command, args);
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}
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g_list_free(command_hashes);
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return TRUE;
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}
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curr_hash = g_list_next(curr_hash);
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}
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g_list_free(command_hashes);
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return FALSE;
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}
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CommandHelp*
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plugins_get_help(const char* const cmd)
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{
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GList* command_hashes = g_hash_table_get_values(p_commands);
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GList* curr_hash = command_hashes;
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while (curr_hash) {
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GHashTable* command_hash = curr_hash->data;
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PluginCommand* command = g_hash_table_lookup(command_hash, cmd);
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if (command) {
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g_list_free(command_hashes);
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return command->help;
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}
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curr_hash = g_list_next(curr_hash);
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}
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g_list_free(command_hashes);
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return NULL;
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}
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void
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plugins_run_timed(void)
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{
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GList* timed_functions_lists = g_hash_table_get_values(p_timed_functions);
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GList* curr_list = timed_functions_lists;
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while (curr_list) {
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GList* timed_function_list = curr_list->data;
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GList* curr = timed_function_list;
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while (curr) {
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PluginTimedFunction* timed_function = curr->data;
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gdouble elapsed = g_timer_elapsed(timed_function->timer, NULL);
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if (timed_function->interval_seconds > 0 && elapsed >= timed_function->interval_seconds) {
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timed_function->callback_exec(timed_function);
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g_timer_start(timed_function->timer);
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}
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curr = g_list_next(curr);
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}
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curr_list = g_list_next(curr_list);
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}
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g_list_free(timed_functions_lists);
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}
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GList*
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plugins_get_command_names(void)
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{
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GList* result = NULL;
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GList* command_hashes = g_hash_table_get_values(p_commands);
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GList* curr_hash = command_hashes;
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while (curr_hash) {
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GHashTable* command_hash = curr_hash->data;
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GList* commands = g_hash_table_get_keys(command_hash);
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GList* curr = commands;
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while (curr) {
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char* command = curr->data;
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result = g_list_append(result, command);
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curr = g_list_next(curr);
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}
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g_list_free(commands);
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curr_hash = g_list_next(curr_hash);
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}
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g_list_free(command_hashes);
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return result;
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}
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