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fix(Workspaces): fix concurrence and move json parser to ipc client

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This commit is contained in:
Alex 2019-04-23 11:41:49 +02:00
parent 07dba791cf
commit cccf60c30e
10 changed files with 82 additions and 77 deletions
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13
include/modules/sway/ipc/client.hpp
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@ -6,8 +6,10 @@
#include <unistd.h>
#include <cstring>
#include <iostream>
#include <memory>
#include <mutex>
#include "ipc.hpp"
#include "util/json.hpp"
namespace waybar::modules::sway {
@ -19,7 +21,7 @@ class Ipc {
struct ipc_response {
uint32_t size;
uint32_t type;
std::string payload;
Json::Value payload;
};
sigc::signal<void, const struct ipc_response> signal_event;
@ -38,10 +40,11 @@ class Ipc {
struct ipc_response send(int fd, uint32_t type, const std::string &payload = "");
struct ipc_response recv(int fd);
int fd_;
int fd_event_;
std::mutex mutex_;
std::mutex mutex_event_;
int fd_;
int fd_event_;
std::mutex mutex_;
std::mutex mutex_event_;
util::JsonParser parser_;
};
} // namespace waybar::modules::sway

2
include/modules/sway/mode.hpp
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@ -5,7 +5,6 @@
#include "bar.hpp"
#include "client.hpp"
#include "modules/sway/ipc/client.hpp"
#include "util/json.hpp"
#include "util/sleeper_thread.hpp"
namespace waybar::modules::sway {
@ -22,7 +21,6 @@ class Mode : public ALabel {
const Bar& bar_;
waybar::util::SleeperThread thread_;
util::JsonParser parser_;
Ipc ipc_;
std::string mode_;
};

2
include/modules/sway/window.hpp
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@ -6,7 +6,6 @@
#include "bar.hpp"
#include "client.hpp"
#include "modules/sway/ipc/client.hpp"
#include "util/json.hpp"
#include "util/sleeper_thread.hpp"
namespace waybar::modules::sway {
@ -26,7 +25,6 @@ class Window : public ALabel {
const Bar& bar_;
waybar::util::SleeperThread thread_;
util::JsonParser parser_;
Ipc ipc_;
std::string window_;
int windowId_;

3
include/modules/sway/workspaces.hpp
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@ -7,7 +7,6 @@
#include "bar.hpp"
#include "client.hpp"
#include "modules/sway/ipc/client.hpp"
#include "util/json.hpp"
#include "util/sleeper_thread.hpp"
namespace waybar::modules::sway {
@ -36,8 +35,8 @@ class Workspaces : public IModule {
const Json::Value& config_;
std::vector<Json::Value> workspaces_;
waybar::util::SleeperThread thread_;
std::mutex mutex_;
Gtk::Box box_;
util::JsonParser parser_;
Ipc ipc_;
bool scrolling_;
std::unordered_map<std::string, Gtk::Button> buttons_;

9
include/util/json.hpp
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@ -7,13 +7,14 @@ namespace waybar::util {
struct JsonParser {
JsonParser() : reader_(builder_.newCharReader()) {}
const Json::Value parse(const std::string& data) const {
Json::Value root;
std::string err;
const Json::Value parse(const std::string& data, std::size_t size = 0) const {
Json::Value root(Json::objectValue);
if (data.empty()) {
return root;
}
bool res = reader_->parse(data.c_str(), data.c_str() + data.size(), &root, &err);
std::string err;
auto data_size = size > 0 ? size : data.size();
bool res = reader_->parse(data.c_str(), data.c_str() + data_size, &root, &err);
if (!res) throw std::runtime_error(err);
return root;
}

3
src/modules/mpd.cpp
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@ -259,13 +259,12 @@ void waybar::modules::MPD::tryConnect() {
try {
checkErrors(connection_.get());
std::cerr << module_name_ << ": Connected to MPD" << std::endl;
} catch (std::runtime_error& e) {
std::cerr << module_name_ << ": Failed to connect to MPD: " << e.what() << std::endl;
connection_.reset();
alternate_connection_.reset();
}
std::cerr << module_name_ << ": Connected to MPD" << std::endl;
}
void waybar::modules::MPD::checkErrors(mpd_connection* conn) {

8
src/modules/sway/ipc/client.cpp
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@ -97,11 +97,15 @@ struct Ipc::ipc_response Ipc::recv(int fd) {
while (total < data32[0]) {
auto res = ::recv(fd, payload.data() + total, data32[0] - total, 0);
if (res < 0) {
if (errno == EINTR || errno == EAGAIN) {
continue;
}
throw std::runtime_error("Unable to receive IPC payload");
}
total += res;
}
return {data32[0], data32[1], &payload.front()};
auto parsed = parser_.parse(&payload.front(), data32[0]);
return {data32[0], data32[1], parsed};
}
struct Ipc::ipc_response Ipc::send(int fd, uint32_t type, const std::string& payload) {
@ -130,7 +134,7 @@ void Ipc::sendCmd(uint32_t type, const std::string& payload) {
void Ipc::subscribe(const std::string& payload) {
std::lock_guard<std::mutex> lock(mutex_event_);
auto res = Ipc::send(fd_event_, IPC_SUBSCRIBE, payload);
if (res.payload != "{\"success\": true}") {
if (!res.payload["success"].asBool()) {
throw std::runtime_error("Unable to subscribe ipc event");
}
}

5
src/modules/sway/mode.cpp
View File

@ -16,9 +16,8 @@ Mode::Mode(const std::string& id, const Bar& bar, const Json::Value& config)
}
void Mode::onEvent(const struct Ipc::ipc_response res) {
auto parsed = parser_.parse(res.payload);
if (parsed["change"] != "default") {
mode_ = parsed["change"].asString();
if (res.payload["change"] != "default") {
mode_ = res.payload["change"].asString();
} else {
mode_.clear();
}

22
src/modules/sway/window.cpp
View File

@ -21,18 +21,17 @@ Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
}
void Window::onEvent(const struct Ipc::ipc_response res) {
auto parsed = parser_.parse(res.payload);
auto data = res.payload;
// Check for waybar prevents flicker when hovering window module
if ((parsed["change"] == "focus" || parsed["change"] == "title") &&
parsed["container"]["focused"].asBool() &&
parsed["container"]["name"].asString() != "waybar") {
window_ = Glib::Markup::escape_text(parsed["container"]["name"].asString());
windowId_ = parsed["container"]["id"].asInt();
if ((data["change"] == "focus" || data["change"] == "title") &&
data["container"]["focused"].asBool() && data["container"]["name"].asString() != "waybar") {
window_ = Glib::Markup::escape_text(data["container"]["name"].asString());
windowId_ = data["container"]["id"].asInt();
dp.emit();
} else if ((parsed["change"] == "close" && parsed["container"]["focused"].asBool() &&
windowId_ == parsed["container"]["id"].asInt()) ||
(parsed["change"] == "focus" && parsed["current"]["focus"].isArray() &&
parsed["current"]["focus"].empty())) {
} else if ((data["change"] == "close" && data["container"]["focused"].asBool() &&
windowId_ == data["container"]["id"].asInt()) ||
(data["change"] == "focus" && data["current"]["focus"].isArray() &&
data["current"]["focus"].empty())) {
window_.clear();
windowId_ = -1;
dp.emit();
@ -40,8 +39,7 @@ void Window::onEvent(const struct Ipc::ipc_response res) {
}
void Window::onCmd(const struct Ipc::ipc_response res) {
auto parsed = parser_.parse(res.payload);
auto [id, name] = getFocusedNode(parsed["nodes"]);
auto [id, name] = getFocusedNode(res.payload["nodes"]);
windowId_ = id;
window_ = name;
dp.emit();

92
src/modules/sway/workspaces.cpp
View File

@ -23,17 +23,19 @@ void Workspaces::onEvent(const struct Ipc::ipc_response res) { ipc_.sendCmd(IPC_
void Workspaces::onCmd(const struct Ipc::ipc_response res) {
if (res.type == IPC_GET_WORKSPACES) {
auto workspaces = parser_.parse(res.payload);
workspaces_.clear();
std::copy_if(workspaces.begin(),
workspaces.end(),
std::back_inserter(workspaces_),
[&](const auto &workspace) {
return !config_["all-outputs"].asBool()
? workspace["output"].asString() == bar_.output->name
: true;
});
dp.emit();
if (res.payload.isArray()) {
std::lock_guard<std::mutex> lock(mutex_);
workspaces_.clear();
std::copy_if(res.payload.begin(),
res.payload.end(),
std::back_inserter(workspaces_),
[&](const auto &workspace) {
return !config_["all-outputs"].asBool()
? workspace["output"].asString() == bar_.output->name
: true;
});
dp.emit();
}
} else {
if (scrolling_) {
scrolling_ = false;
@ -69,7 +71,8 @@ bool Workspaces::filterButtons() {
}
auto Workspaces::update() -> void {
bool needReorder = filterButtons();
std::lock_guard<std::mutex> lock(mutex_);
bool needReorder = filterButtons();
for (auto it = workspaces_.begin(); it != workspaces_.end(); ++it) {
auto bit = buttons_.find((*it)["name"].asString());
if (bit == buttons_.end()) {
@ -149,39 +152,42 @@ bool Workspaces::handleScroll(GdkEventScroll *e) {
if (scrolling_) {
return false;
}
scrolling_ = true;
std::string name;
auto it = std::find_if(workspaces_.begin(), workspaces_.end(), [](const auto &workspace) {
return workspace["focused"].asBool();
});
if (it == workspaces_.end()) {
scrolling_ = false;
return false;
}
switch (e->direction) {
case GDK_SCROLL_DOWN:
case GDK_SCROLL_RIGHT:
name = getCycleWorkspace(it, false);
break;
case GDK_SCROLL_UP:
case GDK_SCROLL_LEFT:
name = getCycleWorkspace(it, true);
break;
case GDK_SCROLL_SMOOTH:
gdouble delta_x, delta_y;
gdk_event_get_scroll_deltas(reinterpret_cast<const GdkEvent *>(e), &delta_x, &delta_y);
if (delta_y < 0) {
name = getCycleWorkspace(it, true);
} else if (delta_y > 0) {
scrolling_ = true;
{
std::lock_guard<std::mutex> lock(mutex_);
auto it = std::find_if(workspaces_.begin(), workspaces_.end(), [](const auto &workspace) {
return workspace["focused"].asBool();
});
if (it == workspaces_.end()) {
scrolling_ = false;
return false;
}
switch (e->direction) {
case GDK_SCROLL_DOWN:
case GDK_SCROLL_RIGHT:
name = getCycleWorkspace(it, false);
}
break;
default:
break;
}
if (name.empty() || name == (*it)["name"].asString()) {
scrolling_ = false;
return false;
break;
case GDK_SCROLL_UP:
case GDK_SCROLL_LEFT:
name = getCycleWorkspace(it, true);
break;
case GDK_SCROLL_SMOOTH:
gdouble delta_x, delta_y;
gdk_event_get_scroll_deltas(reinterpret_cast<const GdkEvent *>(e), &delta_x, &delta_y);
if (delta_y < 0) {
name = getCycleWorkspace(it, true);
} else if (delta_y > 0) {
name = getCycleWorkspace(it, false);
}
break;
default:
break;
}
if (name.empty() || name == (*it)["name"].asString()) {
scrolling_ = false;
return false;
}
}
ipc_.sendCmd(IPC_COMMAND, fmt::format("workspace \"{}\"", name));
return true;