Files
Xenia-Canary/src/xenia/ui/loop_gtk.cc
2017-07-11 11:47:24 -06:00

88 lines
2.0 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2016 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/ui/loop_gtk.h"
#include "xenia/base/assert.h"
namespace xe {
namespace ui {
class PostedFn {
public:
explicit PostedFn(std::function<void()> fn) : fn_(std::move(fn)) {}
void Call() { fn_(); }
private:
std::function<void()> fn_;
};
std::unique_ptr<Loop> Loop::Create() { return std::make_unique<GTKLoop>(); }
GTKLoop::GTKLoop() : thread_id_(0) {
gtk_init(nullptr, nullptr);
xe::threading::Fence init_fence;
thread_ = std::thread([&init_fence, this]() {
xe::threading::set_name("GTK Loop");
thread_id_ = std::this_thread::get_id();
init_fence.Signal();
ThreadMain();
quit_fence_.Signal();
});
init_fence.Wait();
}
GTKLoop::~GTKLoop() {
Quit();
thread_.join();
}
void GTKLoop::ThreadMain() {
gtk_main();
}
bool GTKLoop::is_on_loop_thread() {
return thread_id_ == std::this_thread::get_id();
}
gboolean _posted_fn_thunk(gpointer posted_fn) {
PostedFn* Fn = reinterpret_cast<PostedFn*>(posted_fn);
Fn->Call();
return G_SOURCE_REMOVE;
}
void GTKLoop::Post(std::function<void()> fn) {
assert_true(thread_id_ != std::thread::id(0));
gdk_threads_add_idle(_posted_fn_thunk,
reinterpret_cast<gpointer>(new PostedFn(std::move(fn))));
}
void GTKLoop::PostDelayed(std::function<void()> fn, uint64_t delay_millis) {
gdk_threads_add_timeout(delay_millis, _posted_fn_thunk,
reinterpret_cast<gpointer>(new PostedFn(std::move(fn))));
}
void GTKLoop::Quit() {
assert_true(thread_id_ != std::thread::id(0));
}
void GTKLoop::AwaitQuit() { quit_fence_.Wait(); }
} // namespace ui
} // namespace xe