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Merge pull request #2836 from alebastr/require-gtk-layer-shell

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Require gtk-layer-shell
This commit is contained in:
Alexis Rouillard
2024-02-19 22:57:50 +01:00
committed by GitHub
parent 9abd0da1c7 8a4a44896a
commit bba8da76b6
10 changed files with 139 additions and 777 deletions
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530
src/bar.cpp
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@ -1,16 +1,13 @@
#ifdef HAVE_GTK_LAYER_SHELL
#include <gtk-layer-shell.h>
#endif
#include "bar.hpp"
#include <gtk-layer-shell.h>
#include <spdlog/spdlog.h>
#include <type_traits>
#include "bar.hpp"
#include "client.hpp"
#include "factory.hpp"
#include "group.hpp"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
#ifdef HAVE_SWAY
#include "modules/sway/bar.hpp"
@ -25,9 +22,6 @@ static constexpr const char* MIN_WIDTH_MSG =
static constexpr const char* BAR_SIZE_MSG = "Bar configured (width: {}, height: {}) for output: {}";
static constexpr const char* SIZE_DEFINED =
"{} size is defined in the config file so it will stay like that";
const Bar::bar_mode_map Bar::PRESET_MODES = { //
{"default",
{// Special mode to hold the global bar configuration
@ -60,8 +54,8 @@ const Bar::bar_mode_map Bar::PRESET_MODES = { //
.passthrough = true,
.visible = true}}};
const std::string_view Bar::MODE_DEFAULT = "default";
const std::string_view Bar::MODE_INVISIBLE = "invisible";
const std::string Bar::MODE_DEFAULT = "default";
const std::string Bar::MODE_INVISIBLE = "invisible";
const std::string_view DEFAULT_BAR_ID = "bar-0";
/* Deserializer for enum bar_layer */
@ -124,7 +118,7 @@ Glib::ustring to_string(Gtk::PositionType pos) {
* Assumes that all the values in the object are deserializable to the same type.
*/
template <typename Key, typename Value,
typename = std::enable_if_t<std::is_convertible<std::string_view, Key>::value>>
typename = std::enable_if_t<std::is_convertible<std::string, Key>::value>>
void from_json(const Json::Value& j, std::map<Key, Value>& m) {
if (j.isObject()) {
for (auto it = j.begin(); it != j.end(); ++it) {
@ -133,389 +127,6 @@ void from_json(const Json::Value& j, std::map<Key, Value>& m) {
}
}
#ifdef HAVE_GTK_LAYER_SHELL
struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
GLSSurfaceImpl(Gtk::Window& window, struct waybar_output& output) : window_{window} {
output_name_ = output.name;
// this has to be executed before GtkWindow.realize
gtk_layer_init_for_window(window_.gobj());
gtk_layer_set_keyboard_interactivity(window.gobj(), FALSE);
gtk_layer_set_monitor(window_.gobj(), output.monitor->gobj());
gtk_layer_set_namespace(window_.gobj(), "waybar");
window.signal_map_event().connect_notify(sigc::mem_fun(*this, &GLSSurfaceImpl::onMap));
window.signal_configure_event().connect_notify(
sigc::mem_fun(*this, &GLSSurfaceImpl::onConfigure));
}
void setExclusiveZone(bool enable) override {
if (enable) {
gtk_layer_auto_exclusive_zone_enable(window_.gobj());
} else {
gtk_layer_set_exclusive_zone(window_.gobj(), 0);
}
}
void setMargins(const struct bar_margins& margins) override {
gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_LEFT, margins.left);
gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_RIGHT, margins.right);
gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_TOP, margins.top);
gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_BOTTOM, margins.bottom);
}
void setLayer(bar_layer value) override {
auto layer = GTK_LAYER_SHELL_LAYER_BOTTOM;
if (value == bar_layer::TOP) {
layer = GTK_LAYER_SHELL_LAYER_TOP;
} else if (value == bar_layer::OVERLAY) {
layer = GTK_LAYER_SHELL_LAYER_OVERLAY;
}
gtk_layer_set_layer(window_.gobj(), layer);
}
void setPassThrough(bool enable) override {
passthrough_ = enable;
auto gdk_window = window_.get_window();
if (gdk_window) {
Cairo::RefPtr<Cairo::Region> region;
if (enable) {
region = Cairo::Region::create();
}
gdk_window->input_shape_combine_region(region, 0, 0);
}
}
void setPosition(Gtk::PositionType position) override {
auto unanchored = GTK_LAYER_SHELL_EDGE_BOTTOM;
orientation_ = Gtk::ORIENTATION_HORIZONTAL;
switch (position) {
case Gtk::POS_LEFT:
unanchored = GTK_LAYER_SHELL_EDGE_RIGHT;
orientation_ = Gtk::ORIENTATION_VERTICAL;
break;
case Gtk::POS_RIGHT:
unanchored = GTK_LAYER_SHELL_EDGE_LEFT;
orientation_ = Gtk::ORIENTATION_VERTICAL;
break;
case Gtk::POS_TOP:
unanchored = GTK_LAYER_SHELL_EDGE_BOTTOM;
break;
case Gtk::POS_BOTTOM:
unanchored = GTK_LAYER_SHELL_EDGE_TOP;
break;
};
for (auto edge : {GTK_LAYER_SHELL_EDGE_LEFT, GTK_LAYER_SHELL_EDGE_RIGHT,
GTK_LAYER_SHELL_EDGE_TOP, GTK_LAYER_SHELL_EDGE_BOTTOM}) {
gtk_layer_set_anchor(window_.gobj(), edge, unanchored != edge);
}
// Disable anchoring for other edges too if the width
// or the height has been set to a value other than 'auto'
// otherwise the bar will use all space
if (orientation_ == Gtk::ORIENTATION_VERTICAL && height_ > 1) {
gtk_layer_set_anchor(window_.gobj(), GTK_LAYER_SHELL_EDGE_BOTTOM, false);
gtk_layer_set_anchor(window_.gobj(), GTK_LAYER_SHELL_EDGE_TOP, false);
} else if (orientation_ == Gtk::ORIENTATION_HORIZONTAL && width_ > 1) {
gtk_layer_set_anchor(window_.gobj(), GTK_LAYER_SHELL_EDGE_LEFT, false);
gtk_layer_set_anchor(window_.gobj(), GTK_LAYER_SHELL_EDGE_RIGHT, false);
}
}
void setSize(uint32_t width, uint32_t height) override {
width_ = width;
height_ = height;
window_.set_size_request(width_, height_);
};
private:
Gtk::Window& window_;
Gtk::Orientation orientation_ = Gtk::ORIENTATION_HORIZONTAL;
std::string output_name_;
uint32_t width_;
uint32_t height_;
bool passthrough_ = false;
void onMap(GdkEventAny* ev) { setPassThrough(passthrough_); }
void onConfigure(GdkEventConfigure* ev) {
/*
* GTK wants new size for the window.
* Actual resizing and management of the exclusve zone is handled within the gtk-layer-shell
* code. This event handler only updates stored size of the window and prints some warnings.
*
* Note: forced resizing to a window smaller than required by GTK would not work with
* gtk-layer-shell.
*/
if (orientation_ == Gtk::ORIENTATION_VERTICAL) {
if (width_ > 1 && ev->width > static_cast<int>(width_)) {
spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
}
} else {
if (height_ > 1 && ev->height > static_cast<int>(height_)) {
spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
}
}
width_ = ev->width;
height_ = ev->height;
spdlog::info(BAR_SIZE_MSG, width_, height_, output_name_);
}
};
#endif
struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
RawSurfaceImpl(Gtk::Window& window, struct waybar_output& output) : window_{window} {
output_ = gdk_wayland_monitor_get_wl_output(output.monitor->gobj());
output_name_ = output.name;
window.signal_realize().connect_notify(sigc::mem_fun(*this, &RawSurfaceImpl::onRealize));
window.signal_map_event().connect_notify(sigc::mem_fun(*this, &RawSurfaceImpl::onMap));
window.signal_configure_event().connect_notify(
sigc::mem_fun(*this, &RawSurfaceImpl::onConfigure));
if (window.get_realized()) {
onRealize();
}
}
void setExclusiveZone(bool enable) override {
exclusive_zone_ = enable;
if (layer_surface_) {
auto zone = 0;
if (enable) {
// exclusive zone already includes margin for anchored edge,
// only opposite margin should be added
if ((anchor_ & VERTICAL_ANCHOR) == VERTICAL_ANCHOR) {
zone += width_;
zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT) ? margins_.right : margins_.left;
} else {
zone += height_;
zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) ? margins_.bottom : margins_.top;
}
}
spdlog::debug("Set exclusive zone {} for output {}", zone, output_name_);
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface_.get(), zone);
}
}
void setLayer(bar_layer layer) override {
layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
if (layer == bar_layer::TOP) {
layer_ = ZWLR_LAYER_SHELL_V1_LAYER_TOP;
} else if (layer == bar_layer::OVERLAY) {
layer_ = ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY;
}
// updating already mapped window
if (layer_surface_) {
if (zwlr_layer_surface_v1_get_version(layer_surface_.get()) >=
ZWLR_LAYER_SURFACE_V1_SET_LAYER_SINCE_VERSION) {
zwlr_layer_surface_v1_set_layer(layer_surface_.get(), layer_);
} else {
spdlog::warn("Unable to change layer: layer-shell implementation is too old");
}
}
}
void setMargins(const struct bar_margins& margins) override {
margins_ = margins;
// updating already mapped window
if (layer_surface_) {
zwlr_layer_surface_v1_set_margin(layer_surface_.get(), margins_.top, margins_.right,
margins_.bottom, margins_.left);
}
}
void setPassThrough(bool enable) override {
passthrough_ = enable;
/* GTK overwrites any region changes applied directly to the wl_surface,
* thus the same GTK region API as in the GLS impl has to be used. */
auto gdk_window = window_.get_window();
if (gdk_window) {
Cairo::RefPtr<Cairo::Region> region;
if (enable) {
region = Cairo::Region::create();
}
gdk_window->input_shape_combine_region(region, 0, 0);
}
}
void setPosition(Gtk::PositionType position) override {
switch (position) {
case Gtk::POS_LEFT:
anchor_ = VERTICAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
break;
case Gtk::POS_RIGHT:
anchor_ = VERTICAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
break;
case Gtk::POS_TOP:
anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
break;
case Gtk::POS_BOTTOM:
anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
break;
};
// updating already mapped window
if (layer_surface_) {
zwlr_layer_surface_v1_set_anchor(layer_surface_.get(), anchor_);
}
}
void setSize(uint32_t width, uint32_t height) override {
configured_width_ = width_ = width;
configured_height_ = height_ = height;
// layer_shell.configure handler should update exclusive zone if size changes
window_.set_size_request(width, height);
};
void commit() override {
if (surface_) {
wl_surface_commit(surface_);
}
}
private:
constexpr static uint8_t VERTICAL_ANCHOR =
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
constexpr static uint8_t HORIZONTAL_ANCHOR =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
template <auto fn>
using deleter_fn = std::integral_constant<decltype(fn), fn>;
using layer_surface_ptr =
std::unique_ptr<zwlr_layer_surface_v1, deleter_fn<zwlr_layer_surface_v1_destroy>>;
Gtk::Window& window_;
std::string output_name_;
uint32_t configured_width_ = 0;
uint32_t configured_height_ = 0;
uint32_t width_ = 0;
uint32_t height_ = 0;
uint8_t anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
bool exclusive_zone_ = true;
bool passthrough_ = false;
struct bar_margins margins_;
zwlr_layer_shell_v1_layer layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
struct wl_output* output_ = nullptr; // owned by GTK
struct wl_surface* surface_ = nullptr; // owned by GTK
layer_surface_ptr layer_surface_;
void onRealize() {
auto gdk_window = window_.get_window()->gobj();
gdk_wayland_window_set_use_custom_surface(gdk_window);
}
void onMap(GdkEventAny* ev) {
static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.configure = onSurfaceConfigure,
.closed = onSurfaceClosed,
};
auto client = Client::inst();
auto gdk_window = window_.get_window()->gobj();
surface_ = gdk_wayland_window_get_wl_surface(gdk_window);
layer_surface_.reset(zwlr_layer_shell_v1_get_layer_surface(client->layer_shell, surface_,
output_, layer_, "waybar"));
zwlr_layer_surface_v1_add_listener(layer_surface_.get(), &layer_surface_listener, this);
zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface_.get(), false);
zwlr_layer_surface_v1_set_anchor(layer_surface_.get(), anchor_);
zwlr_layer_surface_v1_set_margin(layer_surface_.get(), margins_.top, margins_.right,
margins_.bottom, margins_.left);
setSurfaceSize(width_, height_);
setExclusiveZone(exclusive_zone_);
setPassThrough(passthrough_);
commit();
wl_display_roundtrip(client->wl_display);
}
void onConfigure(GdkEventConfigure* ev) {
/*
* GTK wants new size for the window.
*
* Prefer configured size if it's non-default.
* If the size is not set and the window is smaller than requested by GTK, request resize from
* layer surface.
*/
auto tmp_height = height_;
auto tmp_width = width_;
if (ev->height > static_cast<int>(height_)) {
// Default minimal value
if (height_ > 1) {
spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
}
if (configured_height_ > 1) {
spdlog::info(SIZE_DEFINED, "Height");
} else {
tmp_height = ev->height;
}
}
if (ev->width > static_cast<int>(width_)) {
// Default minimal value
if (width_ > 1) {
spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
}
if (configured_width_ > 1) {
spdlog::info(SIZE_DEFINED, "Width");
} else {
tmp_width = ev->width;
}
}
if (tmp_width != width_ || tmp_height != height_) {
setSurfaceSize(tmp_width, tmp_height);
commit();
}
}
void setSurfaceSize(uint32_t width, uint32_t height) {
/* If the client is anchored to two opposite edges, layer_surface.configure will return
* size without margins for the axis.
* layer_surface.set_size, however, expects size with margins for the anchored axis.
* This is not specified by wlr-layer-shell and based on actual behavior of sway.
*
* If the size for unanchored axis is not set (0), change request to 1 to avoid automatic
* assignment by the compositor.
*/
if ((anchor_ & VERTICAL_ANCHOR) == VERTICAL_ANCHOR) {
width = width > 0 ? width : 1;
if (height > 1) {
height += margins_.top + margins_.bottom;
}
} else {
height = height > 0 ? height : 1;
if (width > 1) {
width += margins_.right + margins_.left;
}
}
spdlog::debug("Set surface size {}x{} for output {}", width, height, output_name_);
zwlr_layer_surface_v1_set_size(layer_surface_.get(), width, height);
}
static void onSurfaceConfigure(void* data, struct zwlr_layer_surface_v1* surface, uint32_t serial,
uint32_t width, uint32_t height) {
auto o = static_cast<RawSurfaceImpl*>(data);
if (width != o->width_ || height != o->height_) {
o->width_ = width;
o->height_ = height;
o->window_.set_size_request(o->width_, o->height_);
o->window_.resize(o->width_, o->height_);
o->setExclusiveZone(o->exclusive_zone_);
spdlog::info(BAR_SIZE_MSG, o->width_ == 1 ? "auto" : std::to_string(o->width_),
o->height_ == 1 ? "auto" : std::to_string(o->height_), o->output_name_);
o->commit();
}
zwlr_layer_surface_v1_ack_configure(surface, serial);
}
static void onSurfaceClosed(void* data, struct zwlr_layer_surface_v1* /* surface */) {
auto o = static_cast<RawSurfaceImpl*>(data);
o->layer_surface_.reset();
}
};
}; // namespace waybar
waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
@ -558,8 +169,8 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
right_.set_spacing(spacing);
}
uint32_t height = config["height"].isUInt() ? config["height"].asUInt() : 0;
uint32_t width = config["width"].isUInt() ? config["width"].asUInt() : 0;
height_ = config["height"].isUInt() ? config["height"].asUInt() : 0;
width_ = config["width"].isUInt() ? config["width"].asUInt() : 0;
if (config["margin-top"].isInt() || config["margin-right"].isInt() ||
config["margin-bottom"].isInt() || config["margin-left"].isInt()) {
@ -610,21 +221,23 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
output->monitor->property_geometry().signal_changed().connect(
sigc::mem_fun(*this, &Bar::onOutputGeometryChanged));
#ifdef HAVE_GTK_LAYER_SHELL
bool use_gls = config["gtk-layer-shell"].isBool() ? config["gtk-layer-shell"].asBool() : true;
if (use_gls) {
surface_impl_ = std::make_unique<GLSSurfaceImpl>(window, *output);
} else
#endif
{
surface_impl_ = std::make_unique<RawSurfaceImpl>(window, *output);
}
// this has to be executed before GtkWindow.realize
auto* gtk_window = window.gobj();
gtk_layer_init_for_window(gtk_window);
gtk_layer_set_keyboard_mode(gtk_window, GTK_LAYER_SHELL_KEYBOARD_MODE_NONE);
gtk_layer_set_monitor(gtk_window, output->monitor->gobj());
gtk_layer_set_namespace(gtk_window, "waybar");
gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_LEFT, margins_.left);
gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_RIGHT, margins_.right);
gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_TOP, margins_.top);
gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_BOTTOM, margins_.bottom);
window.set_size_request(width_, height_);
surface_impl_->setMargins(margins_);
surface_impl_->setSize(width, height);
// Position needs to be set after calculating the height due to the
// GTK layer shell anchors logic relying on the dimensions of the bar.
surface_impl_->setPosition(position);
setPosition(position);
/* Read custom modes if available */
if (auto modes = config.get("modes", {}); modes.isObject()) {
@ -680,7 +293,7 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
/* Need to define it here because of forward declared members */
waybar::Bar::~Bar() = default;
void waybar::Bar::setMode(const std::string_view& mode) {
void waybar::Bar::setMode(const std::string& mode) {
using namespace std::literals::string_literals;
auto style = window.get_style_context();
@ -701,9 +314,23 @@ void waybar::Bar::setMode(const std::string_view& mode) {
}
void waybar::Bar::setMode(const struct bar_mode& mode) {
surface_impl_->setLayer(mode.layer);
surface_impl_->setExclusiveZone(mode.exclusive);
surface_impl_->setPassThrough(mode.passthrough);
auto* gtk_window = window.gobj();
auto layer = GTK_LAYER_SHELL_LAYER_BOTTOM;
if (mode.layer == bar_layer::TOP) {
layer = GTK_LAYER_SHELL_LAYER_TOP;
} else if (mode.layer == bar_layer::OVERLAY) {
layer = GTK_LAYER_SHELL_LAYER_OVERLAY;
}
gtk_layer_set_layer(gtk_window, layer);
if (mode.exclusive) {
gtk_layer_auto_exclusive_zone_enable(gtk_window);
} else {
gtk_layer_set_exclusive_zone(gtk_window, 0);
}
setPassThrough(passthrough_ = mode.passthrough);
if (mode.visible) {
window.get_style_context()->remove_class("hidden");
@ -712,7 +339,58 @@ void waybar::Bar::setMode(const struct bar_mode& mode) {
window.get_style_context()->add_class("hidden");
window.set_opacity(0);
}
surface_impl_->commit();
}
void waybar::Bar::setPassThrough(bool passthrough) {
auto gdk_window = window.get_window();
if (gdk_window) {
Cairo::RefPtr<Cairo::Region> region;
if (passthrough) {
region = Cairo::Region::create();
}
gdk_window->input_shape_combine_region(region, 0, 0);
}
}
void waybar::Bar::setPosition(Gtk::PositionType position) {
std::array<gboolean, GTK_LAYER_SHELL_EDGE_ENTRY_NUMBER> anchors;
anchors.fill(TRUE);
auto orientation = (position == Gtk::POS_LEFT || position == Gtk::POS_RIGHT)
? Gtk::ORIENTATION_VERTICAL
: Gtk::ORIENTATION_HORIZONTAL;
switch (position) {
case Gtk::POS_LEFT:
anchors[GTK_LAYER_SHELL_EDGE_RIGHT] = FALSE;
break;
case Gtk::POS_RIGHT:
anchors[GTK_LAYER_SHELL_EDGE_LEFT] = FALSE;
break;
case Gtk::POS_BOTTOM:
anchors[GTK_LAYER_SHELL_EDGE_TOP] = FALSE;
break;
default: /* Gtk::POS_TOP */
anchors[GTK_LAYER_SHELL_EDGE_BOTTOM] = FALSE;
break;
};
// Disable anchoring for other edges too if the width
// or the height has been set to a value other than 'auto'
// otherwise the bar will use all space
uint32_t configured_width = config["width"].isUInt() ? config["width"].asUInt() : 0;
uint32_t configured_height = config["height"].isUInt() ? config["height"].asUInt() : 0;
if (orientation == Gtk::ORIENTATION_VERTICAL && configured_height > 1) {
anchors[GTK_LAYER_SHELL_EDGE_TOP] = FALSE;
anchors[GTK_LAYER_SHELL_EDGE_BOTTOM] = FALSE;
} else if (orientation == Gtk::ORIENTATION_HORIZONTAL && configured_width > 1) {
anchors[GTK_LAYER_SHELL_EDGE_LEFT] = FALSE;
anchors[GTK_LAYER_SHELL_EDGE_RIGHT] = FALSE;
}
for (auto edge : {GTK_LAYER_SHELL_EDGE_LEFT, GTK_LAYER_SHELL_EDGE_RIGHT, GTK_LAYER_SHELL_EDGE_TOP,
GTK_LAYER_SHELL_EDGE_BOTTOM}) {
gtk_layer_set_anchor(window.gobj(), edge, anchors[edge]);
}
}
void waybar::Bar::onMap(GdkEventAny*) {
@ -722,6 +400,8 @@ void waybar::Bar::onMap(GdkEventAny*) {
auto gdk_window = window.get_window()->gobj();
surface = gdk_wayland_window_get_wl_surface(gdk_window);
configureGlobalOffset(gdk_window_get_width(gdk_window), gdk_window_get_height(gdk_window));
setPassThrough(passthrough_);
}
void waybar::Bar::setVisible(bool value) {
@ -866,7 +546,28 @@ auto waybar::Bar::setupWidgets() -> void {
}
void waybar::Bar::onConfigure(GdkEventConfigure* ev) {
/*
* GTK wants new size for the window.
* Actual resizing and management of the exclusve zone is handled within the gtk-layer-shell
* code. This event handler only updates stored size of the window and prints some warnings.
*
* Note: forced resizing to a window smaller than required by GTK would not work with
* gtk-layer-shell.
*/
if (orientation == Gtk::ORIENTATION_VERTICAL) {
if (width_ > 1 && ev->width > static_cast<int>(width_)) {
spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
}
} else {
if (height_ > 1 && ev->height > static_cast<int>(height_)) {
spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
}
}
width_ = ev->width;
height_ = ev->height;
configureGlobalOffset(ev->width, ev->height);
spdlog::info(BAR_SIZE_MSG, ev->width, ev->height, output->name);
}
void waybar::Bar::configureGlobalOffset(int width, int height) {
@ -895,8 +596,7 @@ void waybar::Bar::configureGlobalOffset(int width, int height) {
else
y = (monitor_geometry.height - height) / 2;
break;
case Gtk::POS_TOP:
// position is top
default: /* Gtk::POS_TOP */
if (width + margins_.left + margins_.right >= monitor_geometry.width)
x = margins_.left;
else

18
src/client.cpp
View File

@ -1,5 +1,6 @@
#include "client.hpp"
#include <gtk-layer-shell.h>
#include <spdlog/spdlog.h>
#include <iostream>
@ -8,7 +9,6 @@
#include "idle-inhibit-unstable-v1-client-protocol.h"
#include "util/clara.hpp"
#include "util/format.hpp"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
waybar::Client *waybar::Client::inst() {
static auto c = new Client();
@ -18,13 +18,8 @@ waybar::Client *waybar::Client::inst() {
void waybar::Client::handleGlobal(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version) {
auto client = static_cast<Client *>(data);
if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
// limit version to a highest supported by the client protocol file
version = std::min<uint32_t>(version, zwlr_layer_shell_v1_interface.version);
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, zxdg_output_manager_v1_interface.name) == 0 &&
version >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION) {
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(
registry, name, &zxdg_output_manager_v1_interface, ZXDG_OUTPUT_V1_NAME_SINCE_VERSION));
} else if (strcmp(interface, zwp_idle_inhibit_manager_v1_interface.name) == 0) {
@ -200,7 +195,12 @@ void waybar::Client::bindInterfaces() {
};
wl_registry_add_listener(registry, &registry_listener, this);
wl_display_roundtrip(wl_display);
if (layer_shell == nullptr || xdg_output_manager == nullptr) {
if (!gtk_layer_is_supported()) {
throw std::runtime_error("The Wayland compositor does not support wlr-layer-shell protocol");
}
if (xdg_output_manager == nullptr) {
throw std::runtime_error("Failed to acquire required resources.");
}
// add existing outputs and subscribe to updates