mirror of
https://github.com/rad4day/Waybar.git
synced 2023-12-21 10:22:59 +01:00
605 lines
21 KiB
C++
605 lines
21 KiB
C++
#ifdef HAVE_GTK_LAYER_SHELL
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#include <gtk-layer-shell.h>
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#endif
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#include <spdlog/spdlog.h>
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#include <type_traits>
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#include "bar.hpp"
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#include "client.hpp"
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#include "factory.hpp"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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namespace waybar {
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static constexpr const char* MIN_HEIGHT_MSG =
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"Requested height: {} exceeds the minimum height: {} required by the modules";
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static constexpr const char* MIN_WIDTH_MSG =
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"Requested width: {} exceeds the minimum width: {} required by the modules";
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static constexpr const char* BAR_SIZE_MSG = "Bar configured (width: {}, height: {}) for output: {}";
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static constexpr const char* SIZE_DEFINED =
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"{} size is defined in the config file so it will stay like that";
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#ifdef HAVE_GTK_LAYER_SHELL
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struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
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GLSSurfaceImpl(Gtk::Window& window, struct waybar_output& output) : window_{window} {
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output_name_ = output.name;
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// this has to be executed before GtkWindow.realize
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gtk_layer_init_for_window(window_.gobj());
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gtk_layer_set_keyboard_interactivity(window.gobj(), FALSE);
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gtk_layer_set_monitor(window_.gobj(), output.monitor->gobj());
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gtk_layer_set_namespace(window_.gobj(), "waybar");
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window.signal_configure_event().connect_notify(
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sigc::mem_fun(*this, &GLSSurfaceImpl::onConfigure));
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}
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void setExclusiveZone(bool enable) override {
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if (enable) {
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gtk_layer_auto_exclusive_zone_enable(window_.gobj());
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} else {
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gtk_layer_set_exclusive_zone(window_.gobj(), 0);
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}
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}
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void setMargins(const struct bar_margins& margins) override {
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gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_LEFT, margins.left);
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gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_RIGHT, margins.right);
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gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_TOP, margins.top);
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gtk_layer_set_margin(window_.gobj(), GTK_LAYER_SHELL_EDGE_BOTTOM, margins.bottom);
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}
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void setLayer(bar_layer value) override {
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auto layer = GTK_LAYER_SHELL_LAYER_BOTTOM;
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if (value == bar_layer::TOP) {
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layer = GTK_LAYER_SHELL_LAYER_TOP;
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} else if (value == bar_layer::OVERLAY) {
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layer = GTK_LAYER_SHELL_LAYER_OVERLAY;
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}
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gtk_layer_set_layer(window_.gobj(), layer);
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}
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void setPosition(const std::string_view& position) override {
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auto unanchored = GTK_LAYER_SHELL_EDGE_BOTTOM;
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vertical_ = false;
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if (position == "bottom") {
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unanchored = GTK_LAYER_SHELL_EDGE_TOP;
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} else if (position == "left") {
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unanchored = GTK_LAYER_SHELL_EDGE_RIGHT;
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vertical_ = true;
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} else if (position == "right") {
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vertical_ = true;
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unanchored = GTK_LAYER_SHELL_EDGE_LEFT;
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}
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for (auto edge : {GTK_LAYER_SHELL_EDGE_LEFT,
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GTK_LAYER_SHELL_EDGE_RIGHT,
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GTK_LAYER_SHELL_EDGE_TOP,
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GTK_LAYER_SHELL_EDGE_BOTTOM}) {
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gtk_layer_set_anchor(window_.gobj(), edge, unanchored != edge);
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}
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}
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void setSize(uint32_t width, uint32_t height) override {
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width_ = width;
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height_ = height;
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window_.set_size_request(width_, height_);
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};
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private:
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Gtk::Window& window_;
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std::string output_name_;
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uint32_t width_;
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uint32_t height_;
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bool vertical_ = false;
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void onConfigure(GdkEventConfigure* ev) {
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/*
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* GTK wants new size for the window.
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* Actual resizing and management of the exclusve zone is handled within the gtk-layer-shell
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* code. This event handler only updates stored size of the window and prints some warnings.
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*
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* Note: forced resizing to a window smaller than required by GTK would not work with
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* gtk-layer-shell.
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*/
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if (vertical_) {
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if (width_ > 1 && ev->width > static_cast<int>(width_)) {
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spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
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}
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} else {
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if (height_ > 1 && ev->height > static_cast<int>(height_)) {
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spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
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}
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}
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width_ = ev->width;
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height_ = ev->height;
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spdlog::info(BAR_SIZE_MSG, width_, height_, output_name_);
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}
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};
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#endif
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struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
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RawSurfaceImpl(Gtk::Window& window, struct waybar_output& output) : window_{window} {
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output_ = gdk_wayland_monitor_get_wl_output(output.monitor->gobj());
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output_name_ = output.name;
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window.signal_realize().connect_notify(sigc::mem_fun(*this, &RawSurfaceImpl::onRealize));
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window.signal_map_event().connect_notify(sigc::mem_fun(*this, &RawSurfaceImpl::onMap));
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window.signal_configure_event().connect_notify(
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sigc::mem_fun(*this, &RawSurfaceImpl::onConfigure));
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if (window.get_realized()) {
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onRealize();
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}
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}
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void setExclusiveZone(bool enable) override {
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exclusive_zone_ = enable;
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if (layer_surface_) {
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auto zone = 0;
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if (enable) {
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// exclusive zone already includes margin for anchored edge,
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// only opposite margin should be added
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if ((anchor_ & VERTICAL_ANCHOR) == VERTICAL_ANCHOR) {
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zone += width_;
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zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT) ? margins_.right : margins_.left;
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} else {
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zone += height_;
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zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) ? margins_.bottom : margins_.top;
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}
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}
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spdlog::debug("Set exclusive zone {} for output {}", zone, output_name_);
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface_.get(), zone);
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}
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}
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void setLayer(bar_layer layer) override {
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layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
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if (layer == bar_layer::TOP) {
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layer_ = ZWLR_LAYER_SHELL_V1_LAYER_TOP;
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} else if (layer == bar_layer::OVERLAY) {
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layer_ = ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY;
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}
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// updating already mapped window
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if (layer_surface_) {
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if (zwlr_layer_surface_v1_get_version(layer_surface_.get()) >=
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ZWLR_LAYER_SURFACE_V1_SET_LAYER_SINCE_VERSION) {
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zwlr_layer_surface_v1_set_layer(layer_surface_.get(), layer_);
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} else {
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spdlog::warn("Unable to change layer: layer-shell implementation is too old");
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}
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}
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}
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void setMargins(const struct bar_margins& margins) override {
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margins_ = margins;
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// updating already mapped window
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if (layer_surface_) {
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zwlr_layer_surface_v1_set_margin(
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layer_surface_.get(), margins_.top, margins_.right, margins_.bottom, margins_.left);
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}
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}
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void setPosition(const std::string_view& position) override {
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anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
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if (position == "bottom") {
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anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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} else if (position == "left") {
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anchor_ = VERTICAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
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} else if (position == "right") {
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anchor_ = VERTICAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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}
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// updating already mapped window
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if (layer_surface_) {
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zwlr_layer_surface_v1_set_anchor(layer_surface_.get(), anchor_);
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}
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}
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void setSize(uint32_t width, uint32_t height) override {
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configured_width_ = width_ = width;
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configured_height_ = height_ = height;
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// layer_shell.configure handler should update exclusive zone if size changes
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window_.set_size_request(width, height);
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};
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void commit() override {
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if (surface_) {
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wl_surface_commit(surface_);
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}
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}
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private:
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constexpr static uint8_t VERTICAL_ANCHOR =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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constexpr static uint8_t HORIZONTAL_ANCHOR =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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template <auto fn>
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using deleter_fn = std::integral_constant<decltype(fn), fn>;
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using layer_surface_ptr =
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std::unique_ptr<zwlr_layer_surface_v1, deleter_fn<zwlr_layer_surface_v1_destroy>>;
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Gtk::Window& window_;
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std::string output_name_;
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uint32_t configured_width_ = 0;
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uint32_t configured_height_ = 0;
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uint32_t width_ = 0;
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uint32_t height_ = 0;
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uint8_t anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
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bool exclusive_zone_ = true;
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struct bar_margins margins_;
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zwlr_layer_shell_v1_layer layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
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struct wl_output* output_ = nullptr; // owned by GTK
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struct wl_surface* surface_ = nullptr; // owned by GTK
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layer_surface_ptr layer_surface_;
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void onRealize() {
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auto gdk_window = window_.get_window()->gobj();
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gdk_wayland_window_set_use_custom_surface(gdk_window);
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}
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void onMap(GdkEventAny* ev) {
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static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = onSurfaceConfigure,
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.closed = onSurfaceClosed,
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};
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auto client = Client::inst();
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auto gdk_window = window_.get_window()->gobj();
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surface_ = gdk_wayland_window_get_wl_surface(gdk_window);
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layer_surface_.reset(zwlr_layer_shell_v1_get_layer_surface(
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client->layer_shell, surface_, output_, layer_, "waybar"));
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zwlr_layer_surface_v1_add_listener(layer_surface_.get(), &layer_surface_listener, this);
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zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface_.get(), false);
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zwlr_layer_surface_v1_set_anchor(layer_surface_.get(), anchor_);
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zwlr_layer_surface_v1_set_margin(
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layer_surface_.get(), margins_.top, margins_.right, margins_.bottom, margins_.left);
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setSurfaceSize(width_, height_);
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setExclusiveZone(exclusive_zone_);
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commit();
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wl_display_roundtrip(client->wl_display);
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}
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void onConfigure(GdkEventConfigure* ev) {
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/*
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* GTK wants new size for the window.
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*
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* Prefer configured size if it's non-default.
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* If the size is not set and the window is smaller than requested by GTK, request resize from
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* layer surface.
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*/
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auto tmp_height = height_;
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auto tmp_width = width_;
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if (ev->height > static_cast<int>(height_)) {
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// Default minimal value
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if (height_ > 1) {
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spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
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}
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if (configured_height_ > 1) {
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spdlog::info(SIZE_DEFINED, "Height");
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} else {
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tmp_height = ev->height;
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}
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}
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if (ev->width > static_cast<int>(width_)) {
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// Default minimal value
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if (width_ > 1) {
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spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
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}
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if (configured_width_ > 1) {
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spdlog::info(SIZE_DEFINED, "Width");
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} else {
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tmp_width = ev->width;
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}
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}
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if (tmp_width != width_ || tmp_height != height_) {
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setSurfaceSize(tmp_width, tmp_height);
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commit();
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}
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}
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void setSurfaceSize(uint32_t width, uint32_t height) {
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/* If the client is anchored to two opposite edges, layer_surface.configure will return
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* size without margins for the axis.
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* layer_surface.set_size, however, expects size with margins for the anchored axis.
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* This is not specified by wlr-layer-shell and based on actual behavior of sway.
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*
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* If the size for unanchored axis is not set (0), change request to 1 to avoid automatic
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* assignment by the compositor.
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*/
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if ((anchor_ & VERTICAL_ANCHOR) == VERTICAL_ANCHOR) {
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width = width > 0 ? width : 1;
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if (height > 1) {
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height += margins_.top + margins_.bottom;
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}
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} else {
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height = height > 0 ? height : 1;
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if (width > 1) {
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width += margins_.right + margins_.left;
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}
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}
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spdlog::debug("Set surface size {}x{} for output {}", width, height, output_name_);
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zwlr_layer_surface_v1_set_size(layer_surface_.get(), width, height);
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}
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static void onSurfaceConfigure(void* data, struct zwlr_layer_surface_v1* surface, uint32_t serial,
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uint32_t width, uint32_t height) {
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auto o = static_cast<RawSurfaceImpl*>(data);
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if (width != o->width_ || height != o->height_) {
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o->width_ = width;
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o->height_ = height;
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o->window_.set_size_request(o->width_, o->height_);
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o->window_.resize(o->width_, o->height_);
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o->setExclusiveZone(o->exclusive_zone_);
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spdlog::info(BAR_SIZE_MSG,
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o->width_ == 1 ? "auto" : std::to_string(o->width_),
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o->height_ == 1 ? "auto" : std::to_string(o->height_),
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o->output_name_);
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o->commit();
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}
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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static void onSurfaceClosed(void* data, struct zwlr_layer_surface_v1* /* surface */) {
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auto o = static_cast<RawSurfaceImpl*>(data);
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o->layer_surface_.reset();
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}
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};
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}; // namespace waybar
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waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
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: output(w_output),
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config(w_config),
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window{Gtk::WindowType::WINDOW_TOPLEVEL},
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layer_{bar_layer::BOTTOM},
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left_(Gtk::ORIENTATION_HORIZONTAL, 0),
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center_(Gtk::ORIENTATION_HORIZONTAL, 0),
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right_(Gtk::ORIENTATION_HORIZONTAL, 0),
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box_(Gtk::ORIENTATION_HORIZONTAL, 0) {
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window.set_title("waybar");
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window.set_name("waybar");
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window.set_decorated(false);
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window.get_style_context()->add_class(output->name);
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window.get_style_context()->add_class(config["name"].asString());
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window.get_style_context()->add_class(config["position"].asString());
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left_.get_style_context()->add_class("modules-left");
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center_.get_style_context()->add_class("modules-center");
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right_.get_style_context()->add_class("modules-right");
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if (config["layer"] == "top") {
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layer_ = bar_layer::TOP;
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} else if (config["layer"] == "overlay") {
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layer_ = bar_layer::OVERLAY;
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}
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auto position = config["position"].asString();
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if (position == "right" || position == "left") {
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left_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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center_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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right_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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box_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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vertical = true;
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}
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uint32_t height = config["height"].isUInt() ? config["height"].asUInt() : 0;
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uint32_t width = config["width"].isUInt() ? config["width"].asUInt() : 0;
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struct bar_margins margins_;
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if (config["margin-top"].isInt() || config["margin-right"].isInt() ||
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config["margin-bottom"].isInt() || config["margin-left"].isInt()) {
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margins_ = {
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config["margin-top"].isInt() ? config["margin-top"].asInt() : 0,
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config["margin-right"].isInt() ? config["margin-right"].asInt() : 0,
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config["margin-bottom"].isInt() ? config["margin-bottom"].asInt() : 0,
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config["margin-left"].isInt() ? config["margin-left"].asInt() : 0,
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};
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} else if (config["margin"].isString()) {
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std::istringstream iss(config["margin"].asString());
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std::vector<std::string> margins{std::istream_iterator<std::string>(iss), {}};
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try {
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if (margins.size() == 1) {
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auto gaps = std::stoi(margins[0], nullptr, 10);
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margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
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}
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if (margins.size() == 2) {
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auto vertical_margins = std::stoi(margins[0], nullptr, 10);
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auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
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margins_ = {.top = vertical_margins,
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.right = horizontal_margins,
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.bottom = vertical_margins,
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.left = horizontal_margins};
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}
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if (margins.size() == 3) {
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auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
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margins_ = {.top = std::stoi(margins[0], nullptr, 10),
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.right = horizontal_margins,
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.bottom = std::stoi(margins[2], nullptr, 10),
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.left = horizontal_margins};
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}
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if (margins.size() == 4) {
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margins_ = {.top = std::stoi(margins[0], nullptr, 10),
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.right = std::stoi(margins[1], nullptr, 10),
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.bottom = std::stoi(margins[2], nullptr, 10),
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.left = std::stoi(margins[3], nullptr, 10)};
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}
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} catch (...) {
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spdlog::warn("Invalid margins: {}", config["margin"].asString());
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}
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} else if (config["margin"].isInt()) {
|
|
auto gaps = config["margin"].asInt();
|
|
margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
|
|
}
|
|
|
|
#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);
|
|
}
|
|
|
|
surface_impl_->setLayer(layer_);
|
|
surface_impl_->setExclusiveZone(true);
|
|
surface_impl_->setMargins(margins_);
|
|
surface_impl_->setPosition(position);
|
|
surface_impl_->setSize(width, height);
|
|
|
|
window.signal_map_event().connect_notify(sigc::mem_fun(*this, &Bar::onMap));
|
|
|
|
setupWidgets();
|
|
window.show_all();
|
|
}
|
|
|
|
void waybar::Bar::onMap(GdkEventAny*) {
|
|
/*
|
|
* Obtain a pointer to the custom layer surface for modules that require it (idle_inhibitor).
|
|
*/
|
|
auto gdk_window = window.get_window()->gobj();
|
|
surface = gdk_wayland_window_get_wl_surface(gdk_window);
|
|
}
|
|
|
|
void waybar::Bar::setVisible(bool value) {
|
|
visible = value;
|
|
if (!visible) {
|
|
window.get_style_context()->add_class("hidden");
|
|
window.set_opacity(0);
|
|
surface_impl_->setLayer(bar_layer::BOTTOM);
|
|
} else {
|
|
window.get_style_context()->remove_class("hidden");
|
|
window.set_opacity(1);
|
|
surface_impl_->setLayer(layer_);
|
|
}
|
|
surface_impl_->setExclusiveZone(visible);
|
|
surface_impl_->commit();
|
|
}
|
|
|
|
void waybar::Bar::toggle() { setVisible(!visible); }
|
|
|
|
// Converting string to button code rn as to avoid doing it later
|
|
void waybar::Bar::setupAltFormatKeyForModule(const std::string& module_name) {
|
|
if (config.isMember(module_name)) {
|
|
Json::Value& module = config[module_name];
|
|
if (module.isMember("format-alt")) {
|
|
if (module.isMember("format-alt-click")) {
|
|
Json::Value& click = module["format-alt-click"];
|
|
if (click.isString()) {
|
|
if (click == "click-right") {
|
|
module["format-alt-click"] = 3U;
|
|
} else if (click == "click-middle") {
|
|
module["format-alt-click"] = 2U;
|
|
} else if (click == "click-backward") {
|
|
module["format-alt-click"] = 8U;
|
|
} else if (click == "click-forward") {
|
|
module["format-alt-click"] = 9U;
|
|
} else {
|
|
module["format-alt-click"] = 1U; // default click-left
|
|
}
|
|
} else {
|
|
module["format-alt-click"] = 1U;
|
|
}
|
|
} else {
|
|
module["format-alt-click"] = 1U;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::setupAltFormatKeyForModuleList(const char* module_list_name) {
|
|
if (config.isMember(module_list_name)) {
|
|
Json::Value& modules = config[module_list_name];
|
|
for (const Json::Value& module_name : modules) {
|
|
if (module_name.isString()) {
|
|
setupAltFormatKeyForModule(module_name.asString());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::handleSignal(int signal) {
|
|
for (auto& module : modules_left_) {
|
|
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
|
|
if (custom != nullptr) {
|
|
custom->refresh(signal);
|
|
}
|
|
}
|
|
for (auto& module : modules_center_) {
|
|
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
|
|
if (custom != nullptr) {
|
|
custom->refresh(signal);
|
|
}
|
|
}
|
|
for (auto& module : modules_right_) {
|
|
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
|
|
if (custom != nullptr) {
|
|
custom->refresh(signal);
|
|
}
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::getModules(const Factory& factory, const std::string& pos) {
|
|
if (config[pos].isArray()) {
|
|
for (const auto& name : config[pos]) {
|
|
try {
|
|
auto module = factory.makeModule(name.asString());
|
|
if (pos == "modules-left") {
|
|
modules_left_.emplace_back(module);
|
|
}
|
|
if (pos == "modules-center") {
|
|
modules_center_.emplace_back(module);
|
|
}
|
|
if (pos == "modules-right") {
|
|
modules_right_.emplace_back(module);
|
|
}
|
|
module->dp.connect([module, &name] {
|
|
try {
|
|
module->update();
|
|
} catch (const std::exception& e) {
|
|
spdlog::error("{}: {}", name.asString(), e.what());
|
|
}
|
|
});
|
|
} catch (const std::exception& e) {
|
|
spdlog::warn("module {}: {}", name.asString(), e.what());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
auto waybar::Bar::setupWidgets() -> void {
|
|
window.add(box_);
|
|
box_.pack_start(left_, false, false);
|
|
box_.set_center_widget(center_);
|
|
box_.pack_end(right_, false, false);
|
|
|
|
// Convert to button code for every module that is used.
|
|
setupAltFormatKeyForModuleList("modules-left");
|
|
setupAltFormatKeyForModuleList("modules-right");
|
|
setupAltFormatKeyForModuleList("modules-center");
|
|
|
|
Factory factory(*this, config);
|
|
getModules(factory, "modules-left");
|
|
getModules(factory, "modules-center");
|
|
getModules(factory, "modules-right");
|
|
for (auto const& module : modules_left_) {
|
|
left_.pack_start(*module, false, false);
|
|
}
|
|
for (auto const& module : modules_center_) {
|
|
center_.pack_start(*module, false, false);
|
|
}
|
|
std::reverse(modules_right_.begin(), modules_right_.end());
|
|
for (auto const& module : modules_right_) {
|
|
right_.pack_end(*module, false, false);
|
|
}
|
|
}
|