refactor: fetch outputs from Gtk::Display instead of wl_registry.

gtk-layer-shell wants Gdk::Monitor instead of wl_output;
change code to deal with Gdk objects and slightly simplify it.
Requires gtkmm 3.22.0+ (first release with Gdk::Monitor support).
This commit is contained in:
Aleksei Bavshin 2019-08-27 20:57:23 -07:00
parent 2277ddd156
commit d1637d34cf
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GPG Key ID: 4F071603387A382A
5 changed files with 64 additions and 82 deletions

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@ -1,5 +1,6 @@
#pragma once
#include <gdkmm/monitor.h>
#include <glibmm/refptr.h>
#include <gtkmm/box.h>
#include <gtkmm/cssprovider.h>
@ -15,10 +16,11 @@ namespace waybar {
class Factory;
struct waybar_output {
struct wl_output * output = nullptr;
std::string name;
uint32_t wl_name;
struct zxdg_output_v1 *xdg_output = nullptr;
Glib::RefPtr<Gdk::Monitor> monitor;
std::string name;
std::unique_ptr<struct zxdg_output_v1, decltype(&zxdg_output_v1_destroy)> xdg_output = {
nullptr, &zxdg_output_v1_destroy};
};
class Bar {

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@ -34,17 +34,15 @@ class Client {
bool isValidOutput(const Json::Value &config, std::unique_ptr<struct waybar_output> &output);
auto setupConfig(const std::string &config_file) -> void;
auto setupCss(const std::string &css_file) -> void;
std::unique_ptr<struct waybar_output> &getOutput(uint32_t wl_name);
std::unique_ptr<struct waybar_output> &getOutput(void *);
std::vector<Json::Value> getOutputConfigs(std::unique_ptr<struct waybar_output> &output);
static void handleGlobal(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version);
static void handleGlobalRemove(void *data, struct wl_registry *registry, uint32_t name);
static void handleLogicalPosition(void *, struct zxdg_output_v1 *, int32_t, int32_t);
static void handleLogicalSize(void *, struct zxdg_output_v1 *, int32_t, int32_t);
static void handleDone(void *, struct zxdg_output_v1 *);
static void handleName(void *, struct zxdg_output_v1 *, const char *);
static void handleDescription(void *, struct zxdg_output_v1 *, const char *);
static void handleOutputName(void *, struct zxdg_output_v1 *, const char *);
void handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor);
void handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor);
Json::Value config_;
Glib::RefPtr<Gtk::StyleContext> style_context_;

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@ -52,7 +52,7 @@ spdlog = dependency('spdlog', version : ['>=1.3.1'], fallback : ['spdlog', 'spdl
wayland_client = dependency('wayland-client')
wayland_cursor = dependency('wayland-cursor')
wayland_protos = dependency('wayland-protocols')
gtkmm = dependency('gtkmm-3.0')
gtkmm = dependency('gtkmm-3.0', version : ['>=3.22.0'])
dbusmenu_gtk = dependency('dbusmenu-gtk3-0.4', required: get_option('dbusmenu-gtk'))
giounix = dependency('gio-unix-2.0', required: get_option('dbusmenu-gtk'))
jsoncpp = dependency('jsoncpp')

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@ -146,10 +146,12 @@ void waybar::Bar::onMap(GdkEventAny* ev) {
surface = gdk_wayland_window_get_wl_surface(gdk_window);
auto client = waybar::Client::inst();
// owned by output->monitor; no need to destroy
auto wl_output = gdk_wayland_monitor_get_wl_output(output->monitor->gobj());
auto layer =
config["layer"] == "top" ? ZWLR_LAYER_SHELL_V1_LAYER_TOP : ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
layer_surface = zwlr_layer_shell_v1_get_layer_surface(
client->layer_shell, surface, output->output, layer, "waybar");
client->layer_shell, surface, wl_output, layer, "waybar");
zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor_);

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@ -1,4 +1,5 @@
#include "client.hpp"
#include <fmt/ostream.h>
#include <spdlog/spdlog.h>
#include <fstream>
#include <iostream>
@ -33,11 +34,6 @@ void waybar::Client::handleGlobal(void *data, struct wl_registry *registry, uint
if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
client->layer_shell = static_cast<struct zwlr_layer_shell_v1 *>(
wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, version));
} else if (strcmp(interface, wl_output_interface.name) == 0) {
auto wl_output = static_cast<struct wl_output *>(
wl_registry_bind(registry, name, &wl_output_interface, version));
client->outputs_.emplace_back(new struct waybar_output({wl_output, "", name, nullptr}));
client->handleOutput(client->outputs_.back());
} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0 &&
version >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION) {
client->xdg_output_manager = static_cast<struct zxdg_output_manager_v1 *>(wl_registry_bind(
@ -50,58 +46,21 @@ void waybar::Client::handleGlobal(void *data, struct wl_registry *registry, uint
void waybar::Client::handleGlobalRemove(void * data, struct wl_registry * /*registry*/,
uint32_t name) {
auto client = static_cast<Client *>(data);
for (auto it = client->bars.begin(); it != client->bars.end();) {
if ((*it)->output->wl_name == name) {
auto output_name = (*it)->output->name;
(*it)->window.close();
it = client->bars.erase(it);
spdlog::info("Bar removed from output: {}", output_name);
} else {
++it;
}
}
auto it = std::find_if(client->outputs_.begin(),
client->outputs_.end(),
[&name](const auto &output) { return output->wl_name == name; });
if (it != client->outputs_.end()) {
if ((*it)->xdg_output != nullptr) {
zxdg_output_v1_destroy((*it)->xdg_output);
(*it)->xdg_output = nullptr;
}
if ((*it)->output != nullptr) {
wl_output_destroy((*it)->output);
(*it)->output = nullptr;
}
client->outputs_.erase(it);
}
// Nothing here
}
void waybar::Client::handleOutput(std::unique_ptr<struct waybar_output> &output) {
static const struct zxdg_output_v1_listener xdgOutputListener = {
.logical_position = handleLogicalPosition,
.logical_size = handleLogicalSize,
.done = handleDone,
.name = handleName,
.description = handleDescription,
.logical_position = [](void *, struct zxdg_output_v1 *, int32_t, int32_t) {},
.logical_size = [](void *, struct zxdg_output_v1 *, int32_t, int32_t) {},
.done = [](void *, struct zxdg_output_v1 *) {},
.name = &handleOutputName,
.description = [](void *, struct zxdg_output_v1 *, const char *) {},
};
output->xdg_output = zxdg_output_manager_v1_get_xdg_output(xdg_output_manager, output->output);
zxdg_output_v1_add_listener(output->xdg_output, &xdgOutputListener, &output->wl_name);
}
void waybar::Client::handleLogicalPosition(void * /*data*/,
struct zxdg_output_v1 * /*zxdg_output_v1*/,
int32_t /*x*/, int32_t /*y*/) {
// Nothing here
}
void waybar::Client::handleLogicalSize(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/,
int32_t /*width*/, int32_t /*height*/) {
// Nothing here
}
void waybar::Client::handleDone(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/) {
// Nothing here
// owned by output->monitor; no need to destroy
auto wl_output = gdk_wayland_monitor_get_wl_output(output->monitor->gobj());
output->xdg_output.reset(zxdg_output_manager_v1_get_xdg_output(xdg_output_manager, wl_output));
zxdg_output_v1_add_listener(output->xdg_output.get(), &xdgOutputListener, output.get());
}
bool waybar::Client::isValidOutput(const Json::Value & config,
@ -123,9 +82,9 @@ bool waybar::Client::isValidOutput(const Json::Value & config
return found;
}
std::unique_ptr<struct waybar::waybar_output> &waybar::Client::getOutput(uint32_t wl_name) {
auto it = std::find_if(outputs_.begin(), outputs_.end(), [&wl_name](const auto &output) {
return output->wl_name == wl_name;
std::unique_ptr<struct waybar::waybar_output> &waybar::Client::getOutput(void *addr) {
auto it = std::find_if(outputs_.begin(), outputs_.end(), [&addr](const auto &output) {
return output.get() == addr;
});
if (it == outputs_.end()) {
throw std::runtime_error("Unable to find valid output");
@ -148,23 +107,19 @@ std::vector<Json::Value> waybar::Client::getOutputConfigs(
return configs;
}
void waybar::Client::handleName(void * data, struct zxdg_output_v1 * /*xdg_output*/,
const char *name) {
auto wl_name = *static_cast<uint32_t *>(data);
void waybar::Client::handleOutputName(void * data, struct zxdg_output_v1 * /*xdg_output*/,
const char *name) {
auto client = waybar::Client::inst();
try {
auto &output = client->getOutput(wl_name);
auto &output = client->getOutput(data);
output->name = name;
spdlog::debug("Output detected: {} ({} {})",
name,
output->monitor->get_manufacturer(),
output->monitor->get_model());
auto configs = client->getOutputConfigs(output);
if (configs.empty()) {
if (output->output != nullptr) {
wl_output_destroy(output->output);
output->output = nullptr;
}
if (output->xdg_output != nullptr) {
zxdg_output_v1_destroy(output->xdg_output);
output->xdg_output = nullptr;
}
output->xdg_output.reset();
} else {
wl_display_roundtrip(client->wl_display);
for (const auto &config : configs) {
@ -179,9 +134,26 @@ void waybar::Client::handleName(void * data, struct zxdg_output_v1 * /*xdg_
}
}
void waybar::Client::handleDescription(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/,
const char * /*description*/) {
// Nothing here
void waybar::Client::handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor) {
auto &output = outputs_.emplace_back(new struct waybar_output({monitor}));
handleOutput(output);
}
void waybar::Client::handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor) {
spdlog::debug("Output removed: {} {}", monitor->get_manufacturer(), monitor->get_model());
for (auto it = bars.begin(); it != bars.end();) {
if ((*it)->output->monitor == monitor) {
auto output_name = (*it)->output->name;
(*it)->window.close();
it = bars.erase(it);
spdlog::info("Bar removed from output: {}", output_name);
} else {
++it;
}
}
std::remove_if(outputs_.begin(), outputs_.end(), [&monitor](const auto &output) {
return output->monitor == monitor;
});
}
std::tuple<const std::string, const std::string> waybar::Client::getConfigs(
@ -240,6 +212,14 @@ void waybar::Client::bindInterfaces() {
if (layer_shell == nullptr || xdg_output_manager == nullptr) {
throw std::runtime_error("Failed to acquire required resources.");
}
// add existing outputs and subscribe to updates
for (auto i = 0; i < gdk_display->get_n_monitors(); ++i) {
auto monitor = gdk_display->get_monitor(i);
handleMonitorAdded(monitor);
}
gdk_display->signal_monitor_added().connect(sigc::mem_fun(*this, &Client::handleMonitorAdded));
gdk_display->signal_monitor_removed().connect(
sigc::mem_fun(*this, &Client::handleMonitorRemoved));
}
int waybar::Client::main(int argc, char *argv[]) {