Campbell Barton
de13d0a80c
While \file doesn't need an argument, it can't have another doxy command after it.
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup GHOST
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*/
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#include "GHOST_TaskbarX11.h"
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#include <dlfcn.h>
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#include <cstdio>
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#include <cassert>
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#include <cstdlib>
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typedef void*(*unity_get_entry_t)(const char*);
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typedef void(*unity_set_progress_t)(void*, double);
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typedef void(*unity_set_progress_visible_t)(void*, int);
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typedef int(*unity_event_loop_t)(void*, int);
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static unity_get_entry_t unity_get_entry;
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static unity_set_progress_t unity_set_progress;
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static unity_set_progress_visible_t unity_set_progress_visible;
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static unity_event_loop_t unity_event_loop;
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static bool libunity_initialized = false;
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static bool libunity_available = false;
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static void *libunity_handle = NULL;
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void GHOST_TaskBarX11::free()
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{
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if(libunity_handle) {
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dlclose(libunity_handle);
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libunity_handle = NULL;
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}
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}
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bool GHOST_TaskBarX11::init()
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{
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if(libunity_initialized) {
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return libunity_available;
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}
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libunity_initialized = true;
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const char *libunity_names[] = {"libunity.so.4", "libunity.so.6", "libunity.so.9", "libunity.so", NULL};
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for(int i = 0; libunity_names[i]; i++) {
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libunity_handle = dlopen(libunity_names[i], RTLD_LAZY);
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if(libunity_handle) {
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break;
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}
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}
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if(!libunity_handle) {
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return false;
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}
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unity_get_entry = (unity_get_entry_t) dlsym(libunity_handle, "unity_launcher_entry_get_for_desktop_id");
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if(!unity_get_entry) {
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fprintf(stderr, "failed to load libunity: %s\n", dlerror());
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return false;
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}
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unity_set_progress = (unity_set_progress_t) dlsym(libunity_handle, "unity_launcher_entry_set_progress");
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if(!unity_set_progress) {
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fprintf(stderr, "failed to load libunity: %s\n", dlerror());
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return false;
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}
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unity_set_progress_visible = (unity_set_progress_visible_t) dlsym(libunity_handle, "unity_launcher_entry_set_progress_visible");
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if(!unity_set_progress_visible) {
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fprintf(stderr, "failed to load libunity: %s\n", dlerror());
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return false;
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}
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unity_event_loop = (unity_event_loop_t) dlsym(libunity_handle, "g_main_context_iteration");
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if(!unity_event_loop) {
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fprintf(stderr, "failed to load libunity: %s\n", dlerror());
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return false;
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}
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atexit(GHOST_TaskBarX11::free);
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libunity_available = true;
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return true;
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}
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GHOST_TaskBarX11::GHOST_TaskBarX11(const char *name)
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{
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if(GHOST_TaskBarX11::init()) {
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handle = unity_get_entry(name);
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}
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else {
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handle = NULL;
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}
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}
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bool GHOST_TaskBarX11::is_valid()
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{
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return (handle != NULL);
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}
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void GHOST_TaskBarX11::set_progress(double progress)
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{
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assert(is_valid());
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unity_set_progress(handle, progress);
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}
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void GHOST_TaskBarX11::set_progress_enabled(bool enabled)
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{
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assert(is_valid());
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unity_set_progress_visible(handle, enabled ? 1 : 0);
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unity_event_loop(NULL, 0);
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}
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