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-rw-r--r--somebar/src/bar.cpp321
-rw-r--r--somebar/src/bar.hpp74
-rw-r--r--somebar/src/common.hpp76
-rw-r--r--somebar/src/config.def.hpp27
-rw-r--r--somebar/src/config.hpp31
-rw-r--r--somebar/src/line_buffer.hpp71
-rw-r--r--somebar/src/main.cpp613
-rw-r--r--somebar/src/shm_buffer.cpp85
-rw-r--r--somebar/src/shm_buffer.hpp45
9 files changed, 0 insertions, 1343 deletions
diff --git a/somebar/src/bar.cpp b/somebar/src/bar.cpp
deleted file mode 100644
index 38164cd..0000000
--- a/somebar/src/bar.cpp
+++ /dev/null
@@ -1,321 +0,0 @@
-// somebar - dwl barbar
-// See LICENSE file for copyright and license details.
-
-#include <wayland-client-protocol.h>
-#include <pango/pangocairo.h>
-#include "bar.hpp"
-#include "cairo.h"
-#include "config.hpp"
-#include "pango/pango-font.h"
-#include "pango/pango-fontmap.h"
-#include "pango/pango-layout.h"
-
-const zwlr_layer_surface_v1_listener Bar::_layerSurfaceListener = {
- [](void* owner, zwlr_layer_surface_v1*, uint32_t serial, uint32_t width, uint32_t height)
- {
- static_cast<Bar*>(owner)->layerSurfaceConfigure(serial, width, height);
- }
-};
-const wl_callback_listener Bar::_frameListener = {
- [](void* owner, wl_callback* cb, uint32_t)
- {
- static_cast<Bar*>(owner)->render();
- wl_callback_destroy(cb);
- }
-};
-
-struct Font {
- PangoFontDescription* description;
- int height {0};
-};
-static Font getFont()
-{
- auto fontMap = pango_cairo_font_map_get_default();
- if (!fontMap) {
- die("pango_cairo_font_map_get_default");
- }
- auto fontDesc = pango_font_description_from_string(font);
- if (!fontDesc) {
- die("pango_font_description_from_string");
- }
- auto tempContext = pango_font_map_create_context(fontMap);
- if (!tempContext) {
- die("pango_font_map_create_context");
- }
- auto font = pango_font_map_load_font(fontMap, tempContext, fontDesc);
- if (!font) {
- die("pango_font_map_load_font");
- }
- auto metrics = pango_font_get_metrics(font, pango_language_get_default());
- if (!metrics) {
- die("pango_font_get_metrics");
- }
-
- auto res = Font {};
- res.description = fontDesc;
- res.height = PANGO_PIXELS(pango_font_metrics_get_height(metrics));
-
- pango_font_metrics_unref(metrics);
- g_object_unref(font);
- g_object_unref(tempContext);
- return res;
-}
-static Font barfont = getFont();
-
-BarComponent::BarComponent() { }
-BarComponent::BarComponent(wl_unique_ptr<PangoLayout> layout)
- : pangoLayout {std::move(layout)}
-{
-}
-
-int BarComponent::width() const
-{
- int w, h;
- pango_layout_get_size(pangoLayout.get(), &w, &h);
- return PANGO_PIXELS(w);
-}
-
-void BarComponent::setText(const std::string& text)
-{
- _text = std::make_unique<std::string>(text);
- pango_layout_set_text(pangoLayout.get(), _text->c_str(), _text->size());
-}
-
-Bar::Bar()
-{
- _pangoContext.reset(pango_font_map_create_context(pango_cairo_font_map_get_default()));
- if (!_pangoContext) {
- die("pango_font_map_create_context");
- }
- for (const auto& tagName : tagNames) {
- _tags.push_back({ TagState::None, 0, 0, createComponent(tagName) });
- }
- _layoutCmp = createComponent();
- _titleCmp = createComponent();
- _statusCmp = createComponent();
-}
-
-const wl_surface* Bar::surface() const
-{
- return _surface.get();
-}
-
-bool Bar::visible() const
-{
- return _surface.get();
-}
-
-void Bar::show(wl_output* output)
-{
- if (visible()) {
- return;
- }
- _surface.reset(wl_compositor_create_surface(compositor));
- _layerSurface.reset(zwlr_layer_shell_v1_get_layer_surface(wlrLayerShell,
- _surface.get(), output, ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "net.tapesoftware.Somebar"));
- zwlr_layer_surface_v1_add_listener(_layerSurface.get(), &_layerSurfaceListener, this);
- auto anchor = topbar ? ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP : ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
- zwlr_layer_surface_v1_set_anchor(_layerSurface.get(),
- anchor | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT);
-
- auto barSize = barfont.height + paddingY * 2;
- zwlr_layer_surface_v1_set_size(_layerSurface.get(), 0, barSize);
- zwlr_layer_surface_v1_set_exclusive_zone(_layerSurface.get(), barSize + gapY);
- wl_surface_commit(_surface.get());
-}
-
-void Bar::hide()
-{
- if (!visible()) {
- return;
- }
- _layerSurface.reset();
- _surface.reset();
- _bufs.reset();
-}
-
-void Bar::setTag(int tag, int state, int numClients, int focusedClient)
-{
- auto& t = _tags[tag];
- t.state = state;
- t.numClients = numClients;
- t.focusedClient = focusedClient;
-}
-
-void Bar::setSelected(bool selected)
-{
- _selected = selected;
-}
-void Bar::setLayout(const std::string& layout)
-{
- _layoutCmp.setText(layout);
-}
-void Bar::setTitle(const std::string& title)
-{
- _titleCmp.setText(title);
-}
-void Bar::setStatus(const std::string& status)
-{
- _statusCmp.setText(status);
-}
-
-void Bar::invalidate()
-{
- if (_invalid || !visible()) {
- return;
- }
- _invalid = true;
- auto frame = wl_surface_frame(_surface.get());
- wl_callback_add_listener(frame, &_frameListener, this);
- wl_surface_commit(_surface.get());
-}
-
-void Bar::click(Monitor* mon, int x, int, int btn)
-{
- Arg arg = {0};
- Arg* argp = nullptr;
- int control = ClkNone;
- if (x > _statusCmp.x) {
- control = ClkStatusText;
- } else if (x > _titleCmp.x) {
- control = ClkWinTitle;
- } else if (x > _layoutCmp.x) {
- control = ClkLayoutSymbol;
- } else for (auto tag = _tags.size()-1; tag >= 0; tag--) {
- if (x > _tags[tag].component.x) {
- control = ClkTagBar;
- arg.ui = 1<<tag;
- argp = &arg;
- break;
- }
- }
- for (const auto& button : buttons) {
- if (button.control == control && button.btn == btn) {
- button.func(*mon, *(argp ? argp : &button.arg));
- return;
- }
- }
-}
-
-void Bar::layerSurfaceConfigure(uint32_t serial, uint32_t width, uint32_t height)
-{
- zwlr_layer_surface_v1_ack_configure(_layerSurface.get(), serial);
- if (_bufs && width == _bufs->width && height == _bufs->height) {
- return;
- }
- _bufs.emplace(width, height, WL_SHM_FORMAT_XRGB8888);
- render();
-}
-
-void Bar::render()
-{
- if (!_bufs) {
- return;
- }
- auto img = wl_unique_ptr<cairo_surface_t> {cairo_image_surface_create_for_data(
- _bufs->data(),
- CAIRO_FORMAT_ARGB32,
- _bufs->width,
- _bufs->height,
- _bufs->stride
- )};
- auto painter = wl_unique_ptr<cairo_t> {cairo_create(img.get())};
- _painter = painter.get();
- pango_cairo_update_context(_painter, _pangoContext.get());
- _x = 0;
-
- renderTags();
- setColorScheme(_selected ? colorActive : colorInactive);
- renderComponent(_layoutCmp);
- renderComponent(_titleCmp);
- renderStatus();
-
- _painter = nullptr;
- wl_surface_attach(_surface.get(), _bufs->buffer(), 0, 0);
- wl_surface_damage(_surface.get(), 0, 0, _bufs->width, _bufs->height);
- wl_surface_commit(_surface.get());
- _bufs->flip();
- _invalid = false;
-}
-
-void Bar::renderTags()
-{
- for (auto &tag : _tags) {
- setColorScheme(
- tag.state & TagState::Active ? colorActive : colorInactive,
- tag.state & TagState::Urgent);
- renderComponent(tag.component);
-
- if(!tag.numClients)
- continue;
-
- int s = barfont.height / 9;
- int w = barfont.height / 6 + 2;
- if (tag.focusedClient != -1) {
- cairo_rectangle(_painter, tag.component.x + s, s, w, w);
- cairo_fill(_painter);
- } else {
- cairo_rectangle(_painter, (double)(tag.component.x + s) + 0.5, (double)(s) + 0.5, w, w);
- cairo_set_line_width(_painter, 1);
- cairo_stroke(_painter);
- }
- }
-}
-
-void Bar::renderStatus()
-{
- pango_cairo_update_layout(_painter, _statusCmp.pangoLayout.get());
- beginBg();
- auto start = _bufs->width - _statusCmp.width() - paddingX*2;
- cairo_rectangle(_painter, _x, 0, _bufs->width-_x+start, _bufs->height);
- cairo_fill(_painter);
-
- _x = start;
- setColorScheme(colorInactive);
- renderComponent(_statusCmp);
-}
-
-void Bar::setColorScheme(const ColorScheme& scheme, bool invert)
-{
- _colorScheme = invert
- ? ColorScheme {scheme.bg, scheme.fg}
- : ColorScheme {scheme.fg, scheme.bg};
-}
-static void setColor(cairo_t* painter, const Color& color)
-{
- cairo_set_source_rgba(painter,
- color.r/255.0, color.g/255.0, color.b/255.0, color.a/255.0);
-}
-void Bar::beginFg()
-{
- setColor(_painter, _colorScheme.fg);
-}
-void Bar::beginBg()
-{
- setColor(_painter, _colorScheme.bg);
-}
-
-void Bar::renderComponent(BarComponent& component)
-{
- pango_cairo_update_layout(_painter, component.pangoLayout.get());
- auto size = component.width() + paddingX*2;
- component.x = _x;
-
- beginBg();
- cairo_rectangle(_painter, _x, 0, size, _bufs->height);
- cairo_fill(_painter);
- cairo_move_to(_painter, _x+paddingX, paddingY);
-
- beginFg();
- pango_cairo_show_layout(_painter, component.pangoLayout.get());
- _x += size;
-}
-
-BarComponent Bar::createComponent(const std::string &initial)
-{
- auto layout = pango_layout_new(_pangoContext.get());
- pango_layout_set_font_description(layout, barfont.description);
- auto res = BarComponent {wl_unique_ptr<PangoLayout> {layout}};
- res.setText(initial);
- return res;
-}
diff --git a/somebar/src/bar.hpp b/somebar/src/bar.hpp
deleted file mode 100644
index 176a1bc..0000000
--- a/somebar/src/bar.hpp
+++ /dev/null
@@ -1,74 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include <optional>
-#include <string>
-#include <vector>
-#include <wayland-client.h>
-#include "wlr-layer-shell-unstable-v1-client-protocol.h"
-#include "common.hpp"
-#include "shm_buffer.hpp"
-
-class BarComponent {
- std::unique_ptr<std::string> _text;
-public:
- BarComponent();
- explicit BarComponent(wl_unique_ptr<PangoLayout> layout);
- int width() const;
- void setText(const std::string& text);
- wl_unique_ptr<PangoLayout> pangoLayout;
- int x {0};
-};
-
-struct Tag {
- int state;
- int numClients;
- int focusedClient;
- BarComponent component;
-};
-
-struct Monitor;
-class Bar {
- static const zwlr_layer_surface_v1_listener _layerSurfaceListener;
- static const wl_callback_listener _frameListener;
-
- wl_unique_ptr<wl_surface> _surface;
- wl_unique_ptr<zwlr_layer_surface_v1> _layerSurface;
- wl_unique_ptr<PangoContext> _pangoContext;
- std::optional<ShmBuffer> _bufs;
- std::vector<Tag> _tags;
- BarComponent _layoutCmp, _titleCmp, _statusCmp;
- bool _selected;
- bool _invalid {false};
-
- // only vaild during render()
- cairo_t* _painter {nullptr};
- int _x;
- ColorScheme _colorScheme;
-
- void layerSurfaceConfigure(uint32_t serial, uint32_t width, uint32_t height);
- void render();
- void renderTags();
- void renderStatus();
-
- // low-level rendering
- void setColorScheme(const ColorScheme& scheme, bool invert = false);
- void beginFg();
- void beginBg();
- void renderComponent(BarComponent& component);
- BarComponent createComponent(const std::string& initial = {});
-public:
- Bar();
- const wl_surface* surface() const;
- bool visible() const;
- void show(wl_output* output);
- void hide();
- void setTag(int tag, int state, int numClients, int focusedClient);
- void setSelected(bool selected);
- void setLayout(const std::string& layout);
- void setTitle(const std::string& title);
- void setStatus(const std::string& status);
- void invalidate();
- void click(Monitor* mon, int x, int y, int btn);
-};
diff --git a/somebar/src/common.hpp b/somebar/src/common.hpp
deleted file mode 100644
index c905358..0000000
--- a/somebar/src/common.hpp
+++ /dev/null
@@ -1,76 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include <memory>
-#include <string>
-#include <vector>
-#include <wayland-client.h>
-#include <linux/input-event-codes.h>
-#include <cairo/cairo.h>
-#include <pango/pango.h>
-#include "wlr-layer-shell-unstable-v1-client-protocol.h"
-
-struct Color {
- Color() {}
- constexpr Color(uint8_t r, uint8_t g, uint8_t b, uint8_t a=255) : r(r), g(g), b(b), a(a) { }
- uint8_t r, g, b, a {255};
-};
-struct ColorScheme {
- Color fg, bg;
-};
-union Arg {
- unsigned int ui;
- const void* v;
-};
-struct Monitor;
-
-enum TagState { None, Active = 0x01, Urgent = 0x02 };
-enum Control { ClkNone, ClkTagBar, ClkLayoutSymbol, ClkWinTitle, ClkStatusText };
-struct Button {
- int control;
- int btn; // <linux/input-event-codes.h>
- void (*func)(Monitor& mon, const Arg& arg);
- const Arg arg;
-};
-
-extern wl_display* display;
-extern wl_compositor* compositor;
-extern wl_shm* shm;
-extern zwlr_layer_shell_v1* wlrLayerShell;
-
-void spawn(Monitor&, const Arg& arg);
-void setCloexec(int fd);
-[[noreturn]] void die(const char* why);
-[[noreturn]] void diesys(const char* why);
-
-// wayland smart pointers
-template<typename T>
-struct WlDeleter;
-#define WL_DELETER(type, fn) template<> struct WlDeleter<type> { \
- void operator()(type* v) { if(v) fn(v); } \
- }
-
-template<typename T>
-using wl_unique_ptr = std::unique_ptr<T, WlDeleter<T>>;
-
-inline void wl_output_release_checked(wl_output* output) {
- if (wl_output_get_version(output) >= WL_OUTPUT_RELEASE_SINCE_VERSION) {
- wl_output_release(output);
- }
-}
-
-WL_DELETER(wl_buffer, wl_buffer_destroy);
-WL_DELETER(wl_output, wl_output_release_checked);
-WL_DELETER(wl_pointer, wl_pointer_release);
-WL_DELETER(wl_seat, wl_seat_release);
-WL_DELETER(wl_surface, wl_surface_destroy);
-WL_DELETER(zwlr_layer_surface_v1, zwlr_layer_surface_v1_destroy);
-
-WL_DELETER(cairo_t, cairo_destroy);
-WL_DELETER(cairo_surface_t, cairo_surface_destroy);
-
-WL_DELETER(PangoContext, g_object_unref);
-WL_DELETER(PangoLayout, g_object_unref);
-
-#undef WL_DELETER
diff --git a/somebar/src/config.def.hpp b/somebar/src/config.def.hpp
deleted file mode 100644
index 40a8c95..0000000
--- a/somebar/src/config.def.hpp
+++ /dev/null
@@ -1,27 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include "common.hpp"
-
-constexpr bool topbar = true;
-
-constexpr int paddingX = 10;
-constexpr int paddingY = 3;
-
-// See https://docs.gtk.org/Pango/type_func.FontDescription.from_string.html
-constexpr const char* font = "Sans 12";
-
-constexpr ColorScheme colorInactive = {Color(0xbb, 0xbb, 0xbb), Color(0x22, 0x22, 0x22)};
-constexpr ColorScheme colorActive = {Color(0xee, 0xee, 0xee), Color(0x00, 0x55, 0x77)};
-constexpr const char* termcmd[] = {"foot", nullptr};
-
-static std::vector<std::string> tagNames = {
- "1", "2", "3",
- "4", "5", "6",
- "7", "8", "9",
-};
-
-constexpr Button buttons[] = {
- { ClkStatusText, BTN_RIGHT, spawn, {.v = termcmd} },
-};
diff --git a/somebar/src/config.hpp b/somebar/src/config.hpp
deleted file mode 100644
index caf0178..0000000
--- a/somebar/src/config.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include "common.hpp"
-
-constexpr bool topbar = false;
-
-constexpr int paddingX = 10;
-constexpr int paddingY = 3;
-constexpr int gapY = 3;
-
-// See https://docs.gtk.org/Pango/type_func.FontDescription.from_string.html
-constexpr const char* font = "BmPlus IBM VGA 9x16 8";
-
-constexpr Color orange = Color(0xff, 0x8c, 0x00);
-constexpr Color gray2 = Color(0x00, 0x00, 0x00);
-
-constexpr ColorScheme colorInactive = {orange, gray2};
-constexpr ColorScheme colorActive = {gray2, orange};
-constexpr const char* termcmd[] = {"foot", nullptr};
-
-static std::vector<std::string> tagNames = {
- "F", "U", "H",
- ".", "V", "L",
- "O", "M"
-};
-
-constexpr Button buttons[] = {
- { ClkStatusText, BTN_RIGHT, spawn, {.v = termcmd} },
-};
diff --git a/somebar/src/line_buffer.hpp b/somebar/src/line_buffer.hpp
deleted file mode 100644
index a5497bf..0000000
--- a/somebar/src/line_buffer.hpp
+++ /dev/null
@@ -1,71 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include <array>
-#include <algorithm>
-#include <sys/types.h>
-
-// reads data from Reader, and passes complete lines to Consumer.
-template<size_t BufSize>
-class LineBuffer {
- using Iterator = typename std::array<char, BufSize>::iterator;
- std::array<char, BufSize> _buffer;
- Iterator _bufferedTo;
- Iterator _consumedTo;
- bool _discardLine {false};
-public:
- LineBuffer()
- : _bufferedTo {_buffer.begin()}
- , _consumedTo {_buffer.begin()}
- {
- }
-
- template<typename Reader, typename Consumer>
- ssize_t readLines(const Reader& reader, const Consumer& consumer)
- {
- while (true) {
- auto bytesRead = reader(_bufferedTo, _buffer.end() - _bufferedTo);
- if (bytesRead <= 0) {
- return bytesRead;
- }
- _bufferedTo += bytesRead;
- dispatchLines(consumer);
- resetBuffer();
- }
- }
-private:
- template<typename Consumer>
- void dispatchLines(const Consumer& consumer)
- {
- while (true) {
- auto separator = std::find(_consumedTo, _bufferedTo, '\n');
- if (separator == _bufferedTo) {
- break;
- }
- size_t lineLength = separator - _consumedTo;
- if (!_discardLine) {
- consumer(_consumedTo, lineLength);
- }
- _consumedTo = separator + 1;
- _discardLine = false;
- }
- }
-
- void resetBuffer()
- {
- size_t bytesRemaining = _bufferedTo - _consumedTo;
- if (bytesRemaining == _buffer.size()) {
- // line too long
- _discardLine = true;
- _consumedTo = _buffer.begin();
- _bufferedTo = _buffer.begin();
- } else {
- // move the last partial message to the front of the buffer, so a full-sized
- // message will fit
- std::copy(_consumedTo, _bufferedTo, _buffer.begin());
- _consumedTo = _buffer.begin();
- _bufferedTo = _consumedTo + bytesRemaining;
- }
- }
-};
diff --git a/somebar/src/main.cpp b/somebar/src/main.cpp
deleted file mode 100644
index 6274959..0000000
--- a/somebar/src/main.cpp
+++ /dev/null
@@ -1,613 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#include <algorithm>
-#include <cstdio>
-#include <sstream>
-#include <list>
-#include <optional>
-#include <utility>
-#include <vector>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <linux/input-event-codes.h>
-#include <wayland-client.h>
-#include <wayland-cursor.h>
-#include "wlr-layer-shell-unstable-v1-client-protocol.h"
-#include "xdg-output-unstable-v1-client-protocol.h"
-#include "xdg-shell-client-protocol.h"
-#include "common.hpp"
-#include "config.hpp"
-#include "bar.hpp"
-#include "line_buffer.hpp"
-
-struct Monitor {
- uint32_t registryName;
- std::string xdgName;
- wl_unique_ptr<wl_output> wlOutput;
- Bar bar;
- bool desiredVisibility {true};
- bool hasData;
- uint32_t tags;
-};
-
-struct SeatPointer {
- wl_unique_ptr<wl_pointer> wlPointer;
- Monitor* focusedMonitor;
- int x, y;
- std::vector<int> btns;
-};
-struct Seat {
- uint32_t name;
- wl_unique_ptr<wl_seat> wlSeat;
- std::optional<SeatPointer> pointer;
-};
-
-static Monitor* monitorFromSurface(const wl_surface* surface);
-static void setupMonitor(uint32_t name, wl_output* output);
-static void updatemon(Monitor &mon);
-static void onReady();
-static void setupStatusFifo();
-static void onStatus();
-static void onStdin();
-static void handleStdin(const std::string& line);
-static void updateVisibility(const std::string& name, bool(*updater)(bool));
-static void onGlobalAdd(void*, wl_registry* registry, uint32_t name, const char* interface, uint32_t version);
-static void onGlobalRemove(void*, wl_registry* registry, uint32_t name);
-static void requireGlobal(const void* p, const char* name);
-static void waylandFlush();
-static void cleanup();
-
-wl_display* display;
-wl_compositor* compositor;
-wl_shm* shm;
-zwlr_layer_shell_v1* wlrLayerShell;
-static xdg_wm_base* xdgWmBase;
-static zxdg_output_manager_v1* xdgOutputManager;
-static wl_surface* cursorSurface;
-static wl_cursor_image* cursorImage;
-static bool ready;
-static std::list<Monitor> monitors;
-static std::vector<std::pair<uint32_t, wl_output*>> uninitializedOutputs;
-static std::list<Seat> seats;
-static Monitor* selmon;
-static std::string lastStatus;
-static std::string statusFifoName;
-static std::vector<pollfd> pollfds;
-static std::array<int, 2> signalSelfPipe;
-static int displayFd {-1};
-static int statusFifoFd {-1};
-static int statusFifoWriter {-1};
-static bool quitting {false};
-
-void spawn(Monitor&, const Arg& arg)
-{
- if (fork() == 0) {
- auto argv = static_cast<char* const*>(arg.v);
- setsid();
- execvp(argv[0], argv);
- fprintf(stderr, "somebar: execvp %s ", argv[0]);
- perror(" failed");
- exit(1);
- }
-}
-
-static const struct xdg_wm_base_listener xdgWmBaseListener = {
- [](void*, xdg_wm_base* sender, uint32_t serial) {
- xdg_wm_base_pong(sender, serial);
- }
-};
-
-static const struct zxdg_output_v1_listener xdgOutputListener = {
- .logical_position = [](void*, zxdg_output_v1*, int, int) { },
- .logical_size = [](void*, zxdg_output_v1*, int, int) { },
- .done = [](void*, zxdg_output_v1*) { },
- .name = [](void* mp, zxdg_output_v1* xdgOutput, const char* name) {
- auto& monitor = *static_cast<Monitor*>(mp);
- monitor.xdgName = name;
- zxdg_output_v1_destroy(xdgOutput);
- },
- .description = [](void*, zxdg_output_v1*, const char*) { },
-};
-
-Monitor* monitorFromSurface(const wl_surface* surface)
-{
- auto mon = std::find_if(begin(monitors), end(monitors), [surface](const Monitor& mon) {
- return mon.bar.surface() == surface;
- });
- return mon != end(monitors) ? &*mon : nullptr;
-}
-static const struct wl_pointer_listener pointerListener = {
- .enter = [](void* sp, wl_pointer* pointer, uint32_t serial,
- wl_surface* surface, wl_fixed_t x, wl_fixed_t y)
- {
- auto& seat = *static_cast<Seat*>(sp);
- seat.pointer->focusedMonitor = monitorFromSurface(surface);
- if (!cursorImage) {
- auto cursorTheme = wl_cursor_theme_load(nullptr, 24, shm);
- cursorImage = wl_cursor_theme_get_cursor(cursorTheme, "left_ptr")->images[0];
- cursorSurface = wl_compositor_create_surface(compositor);
- wl_surface_attach(cursorSurface, wl_cursor_image_get_buffer(cursorImage), 0, 0);
- wl_surface_commit(cursorSurface);
- }
- wl_pointer_set_cursor(pointer, serial, cursorSurface,
- cursorImage->hotspot_x, cursorImage->hotspot_y);
- },
- .leave = [](void* sp, wl_pointer*, uint32_t serial, wl_surface*) {
- auto& seat = *static_cast<Seat*>(sp);
- seat.pointer->focusedMonitor = nullptr;
- },
- .motion = [](void* sp, wl_pointer*, uint32_t, wl_fixed_t x, wl_fixed_t y) {
- auto& seat = *static_cast<Seat*>(sp);
- seat.pointer->x = wl_fixed_to_int(x);
- seat.pointer->y = wl_fixed_to_int(y);
- },
- .button = [](void* sp, wl_pointer*, uint32_t, uint32_t, uint32_t button, uint32_t pressed) {
- auto& seat = *static_cast<Seat*>(sp);
- auto it = std::find(begin(seat.pointer->btns), end(seat.pointer->btns), button);
- if (pressed == WL_POINTER_BUTTON_STATE_PRESSED && it == end(seat.pointer->btns)) {
- seat.pointer->btns.push_back(button);
- } else if (pressed == WL_POINTER_BUTTON_STATE_RELEASED && it != end(seat.pointer->btns)) {
- seat.pointer->btns.erase(it);
- }
- },
- .axis = [](void* sp, wl_pointer*, uint32_t, uint32_t, wl_fixed_t) { },
- .frame = [](void* sp, wl_pointer*) {
- auto& seat = *static_cast<Seat*>(sp);
- auto mon = seat.pointer->focusedMonitor;
- if (!mon) {
- return;
- }
- for (auto btn : seat.pointer->btns) {
- mon->bar.click(mon, seat.pointer->x, seat.pointer->y, btn);
- }
- seat.pointer->btns.clear();
- },
- .axis_source = [](void*, wl_pointer*, uint32_t) { },
- .axis_stop = [](void*, wl_pointer*, uint32_t, uint32_t) { },
- .axis_discrete = [](void*, wl_pointer*, uint32_t, int32_t) { },
-};
-
-static const struct wl_seat_listener seatListener = {
- .capabilities = [](void* sp, wl_seat*, uint32_t cap)
- {
- auto& seat = *static_cast<Seat*>(sp);
- auto hasPointer = cap & WL_SEAT_CAPABILITY_POINTER;
- if (!seat.pointer && hasPointer) {
- auto &pointer = seat.pointer.emplace();
- pointer.wlPointer = wl_unique_ptr<wl_pointer> {wl_seat_get_pointer(seat.wlSeat.get())};
- wl_pointer_add_listener(seat.pointer->wlPointer.get(), &pointerListener, &seat);
- } else if (seat.pointer && !hasPointer) {
- seat.pointer.reset();
- }
- },
- .name = [](void*, wl_seat*, const char* name) { }
-};
-
-void setupMonitor(uint32_t name, wl_output* output) {
- auto& monitor = monitors.emplace_back(Monitor {name, {}, wl_unique_ptr<wl_output> {output}});
- monitor.bar.setStatus(lastStatus);
- auto xdgOutput = zxdg_output_manager_v1_get_xdg_output(xdgOutputManager, monitor.wlOutput.get());
- zxdg_output_v1_add_listener(xdgOutput, &xdgOutputListener, &monitor);
-}
-
-void updatemon(Monitor& mon)
-{
- if (!mon.hasData) {
- return;
- }
- if (mon.desiredVisibility) {
- if (mon.bar.visible()) {
- mon.bar.invalidate();
- } else {
- mon.bar.show(mon.wlOutput.get());
- }
- } else if (mon.bar.visible()) {
- mon.bar.hide();
- }
-}
-
-// called after we have received the initial batch of globals
-void onReady()
-{
- requireGlobal(compositor, "wl_compositor");
- requireGlobal(shm, "wl_shm");
- requireGlobal(wlrLayerShell, "zwlr_layer_shell_v1");
- requireGlobal(xdgOutputManager, "zxdg_output_manager_v1");
- setupStatusFifo();
- wl_display_roundtrip(display); // roundtrip so we receive all dwl tags etc.
-
- ready = true;
- for (auto output : uninitializedOutputs) {
- setupMonitor(output.first, output.second);
- }
- wl_display_roundtrip(display); // wait for xdg_output names before we read stdin
-}
-
-bool createFifo(std::string path)
-{
- auto result = mkfifo(path.c_str(), 0666);
- if (result == 0) {
- auto fd = open(path.c_str(), O_CLOEXEC | O_NONBLOCK | O_RDONLY);
- if (fd < 0) {
- diesys("open status fifo reader");
- }
- statusFifoName = path;
- statusFifoFd = fd;
-
- fd = open(path.c_str(), O_CLOEXEC | O_WRONLY);
- if (fd < 0) {
- diesys("open status fifo writer");
- }
- statusFifoWriter = fd;
-
- pollfds.push_back({
- .fd = statusFifoFd,
- .events = POLLIN,
- });
- return true;
- } else if (errno != EEXIST) {
- diesys("mkfifo");
- }
-
- return false;
-}
-
-void setupStatusFifo()
-{
- if (!statusFifoName.empty()) {
- createFifo(statusFifoName);
- return;
- }
-
- for (auto i=0; i<100; i++) {
- auto path = std::string{getenv("XDG_RUNTIME_DIR")} + "/somebar-" + std::to_string(i);
- if (createFifo(path)) {
- return;
- }
- }
-}
-
-static LineBuffer<512> stdinBuffer;
-static void onStdin()
-{
- auto res = stdinBuffer.readLines(
- [](void* p, size_t size) { return read(0, p, size); },
- [](char* p, size_t size) { handleStdin({p, size}); });
- if (res == 0) {
- quitting = true;
- }
-}
-
-static void handleStdin(const std::string& line)
-{
- // this parses the lines that dwl sends in printstatus()
- std::string monName, command;
- auto stream = std::istringstream {line};
- stream >> monName >> command;
- if (!stream.good()) {
- return;
- }
- auto mon = std::find_if(begin(monitors), end(monitors), [&](const Monitor& mon) {
- return mon.xdgName == monName;
- });
- if (mon == end(monitors))
- return;
- if (command == "title") {
- auto title = std::string {};
- stream >> std::ws;
- std::getline(stream, title);
- mon->bar.setTitle(title);
- } else if (command == "selmon") {
- uint32_t selected;
- stream >> selected;
- mon->bar.setSelected(selected);
- if (selected) {
- selmon = &*mon;
- } else if (selmon == &*mon) {
- selmon = nullptr;
- }
- } else if (command == "tags") {
- uint32_t occupied, tags, clientTags, urgent;
- stream >> occupied >> tags >> clientTags >> urgent;
- for (auto i=0u; i<tagNames.size(); i++) {
- auto tagMask = 1 << i;
- int state = TagState::None;
- if (tags & tagMask)
- state |= TagState::Active;
- if (urgent & tagMask)
- state |= TagState::Urgent;
- mon->bar.setTag(i, state, occupied & tagMask ? 1 : 0, clientTags & tagMask ? 0 : -1);
- }
- mon->tags = tags;
- } else if (command == "layout") {
- auto layout = std::string {};
- stream >> std::ws;
- std::getline(stream, layout);
- mon->bar.setLayout(layout);
- }
- mon->hasData = true;
- updatemon(*mon);
-}
-
-const std::string prefixStatus = "status ";
-const std::string prefixShow = "show ";
-const std::string prefixHide = "hide ";
-const std::string prefixToggle = "toggle ";
-const std::string argAll = "all";
-const std::string argSelected = "selected";
-
-static LineBuffer<512> statusBuffer;
-void onStatus()
-{
- statusBuffer.readLines(
- [](void* p, size_t size) {
- return read(statusFifoFd, p, size);
- },
- [](const char* buffer, size_t n) {
- auto str = std::string {buffer, n};
- if (str.rfind(prefixStatus, 0) == 0) {
- lastStatus = str.substr(prefixStatus.size());
- for (auto &monitor : monitors) {
- monitor.bar.setStatus(lastStatus);
- monitor.bar.invalidate();
- }
- } else if (str.rfind(prefixShow, 0) == 0) {
- updateVisibility(str.substr(prefixShow.size()), [](bool) { return true; });
- } else if (str.rfind(prefixHide, 0) == 0) {
- updateVisibility(str.substr(prefixHide.size()), [](bool) { return false; });
- } else if (str.rfind(prefixToggle, 0) == 0) {
- updateVisibility(str.substr(prefixToggle.size()), [](bool vis) { return !vis; });
- }
- });
-}
-
-void updateVisibility(const std::string& name, bool(*updater)(bool))
-{
- auto isCurrent = name == argSelected;
- auto isAll = name == argAll;
- for (auto& mon : monitors) {
- if (isAll ||
- isCurrent && &mon == selmon ||
- mon.xdgName == name) {
- auto newVisibility = updater(mon.desiredVisibility);
- if (newVisibility != mon.desiredVisibility) {
- mon.desiredVisibility = newVisibility;
- updatemon(mon);
- }
- }
- }
-}
-
-struct HandleGlobalHelper {
- wl_registry* registry;
- uint32_t name;
- const char* interface;
-
- template<typename T>
- bool handle(T& store, const wl_interface& iface, int version) {
- if (strcmp(interface, iface.name)) {
- return false;
- }
- store = static_cast<T>(wl_registry_bind(registry, name, &iface, version));
- return true;
- }
-};
-void onGlobalAdd(void*, wl_registry* registry, uint32_t name, const char* interface, uint32_t version)
-{
- auto reg = HandleGlobalHelper { registry, name, interface };
- if (reg.handle(compositor, wl_compositor_interface, 4)) return;
- if (reg.handle(shm, wl_shm_interface, 1)) return;
- if (reg.handle(wlrLayerShell, zwlr_layer_shell_v1_interface, 4)) return;
- if (reg.handle(xdgOutputManager, zxdg_output_manager_v1_interface, 3)) return;
- if (reg.handle(xdgWmBase, xdg_wm_base_interface, 2)) {
- xdg_wm_base_add_listener(xdgWmBase, &xdgWmBaseListener, nullptr);
- return;
- }
- if (wl_seat* wlSeat; reg.handle(wlSeat, wl_seat_interface, 7)) {
- auto& seat = seats.emplace_back(Seat {name, wl_unique_ptr<wl_seat> {wlSeat}});
- wl_seat_add_listener(wlSeat, &seatListener, &seat);
- return;
- }
- if (wl_output* output; reg.handle(output, wl_output_interface, 1)) {
- if (ready) {
- setupMonitor(name, output);
- } else {
- uninitializedOutputs.push_back({name, output});
- }
- return;
- }
-}
-void onGlobalRemove(void*, wl_registry* registry, uint32_t name)
-{
- monitors.remove_if([name](const Monitor &mon) { return mon.registryName == name; });
- seats.remove_if([name](const Seat &seat) { return seat.name == name; });
-}
-static const struct wl_registry_listener registry_listener = {
- .global = onGlobalAdd,
- .global_remove = onGlobalRemove,
-};
-
-int main(int argc, char* argv[])
-{
- int opt;
- while ((opt = getopt(argc, argv, "chvs:")) != -1) {
- switch (opt) {
- case 's':
- statusFifoName = optarg;
- break;
- case 'h':
- printf("Usage: %s [-h] [-v] [-s path to the fifo] [-c command]\n", argv[0]);
- printf(" -h: Show this help\n");
- printf(" -v: Show somebar version\n");
- printf(" -s: Change path to the fifo (default is \"$XDG_RUNTIME_DIR/somebar-0\")\n");
- printf(" -c: Sends a command to sombar. See README for details.\n");
- printf("If any of these are specified (except -s), somebar exits after the action.\n");
- printf("Otherwise, somebar will display itself.\n");
- exit(0);
- case 'v':
- printf("somebar " SOMEBAR_VERSION "\n");
- exit(0);
- case 'c':
- if (optind >= argc) {
- die("Expected command");
- }
- if (statusFifoName.empty()) {
- statusFifoName = std::string {getenv("XDG_RUNTIME_DIR")} + "/somebar-0";
- }
- statusFifoWriter = open(statusFifoName.c_str(), O_WRONLY | O_CLOEXEC);
- if (statusFifoWriter < 0) {
- fprintf(stderr, "could not open %s: ", statusFifoName.c_str());
- perror("");
- exit(1);
- }
- auto str = std::string {};
- for (auto i = optind; i<argc; i++) {
- if (i > optind) str += " ";
- str += argv[i];
- }
- str += "\n";
- write(statusFifoWriter, str.c_str(), str.size());
- exit(0);
- }
- }
-
- if (pipe(signalSelfPipe.data()) < 0) {
- diesys("pipe");
- }
- setCloexec(signalSelfPipe[0]);
- setCloexec(signalSelfPipe[1]);
-
- struct sigaction sighandler = {};
- sighandler.sa_handler = [](int) {
- if (write(signalSelfPipe[1], "0", 1) < 0) {
- diesys("write");
- }
- };
- if (sigaction(SIGTERM, &sighandler, nullptr) < 0) {
- diesys("sigaction");
- }
- if (sigaction(SIGINT, &sighandler, nullptr) < 0) {
- diesys("sigaction");
- }
-
- struct sigaction chld_handler = {};
- chld_handler.sa_handler = SIG_IGN;
- if (sigaction(SIGCHLD, &chld_handler, nullptr) < 0) {
- die("sigaction");
- }
-
- pollfds.push_back({
- .fd = signalSelfPipe[0],
- .events = POLLIN,
- });
-
- display = wl_display_connect(nullptr);
- if (!display) {
- die("Failed to connect to Wayland display");
- }
- displayFd = wl_display_get_fd(display);
-
- auto registry = wl_display_get_registry(display);
- wl_registry_add_listener(registry, &registry_listener, nullptr);
- wl_display_roundtrip(display);
- onReady();
-
- pollfds.push_back({
- .fd = displayFd,
- .events = POLLIN,
- });
- pollfds.push_back({
- .fd = STDIN_FILENO,
- .events = POLLIN,
- });
- if (fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK) < 0) {
- diesys("fcntl F_SETFL");
- }
-
- while (!quitting) {
- waylandFlush();
- if (poll(pollfds.data(), pollfds.size(), -1) < 0) {
- if (errno != EINTR) {
- diesys("poll");
- }
- } else {
- for (auto& ev : pollfds) {
- if (ev.revents & POLLNVAL) {
- die("poll revents contains POLLNVAL");
- } else if (ev.fd == displayFd) {
- if (ev.revents & POLLIN) {
- if (wl_display_dispatch(display) < 0) {
- die("wl_display_dispatch");
- }
- }
- if (ev.revents & POLLOUT) {
- ev.events = POLLIN;
- waylandFlush();
- }
- } else if (ev.fd == STDIN_FILENO && (ev.revents & POLLIN)) {
- onStdin();
- } else if (ev.fd == statusFifoFd && (ev.revents & POLLIN)) {
- onStatus();
- } else if (ev.fd == signalSelfPipe[0] && (ev.revents & POLLIN)) {
- quitting = true;
- }
- }
- }
- }
- cleanup();
-}
-
-void requireGlobal(const void* p, const char* name)
-{
- if (p) return;
- fprintf(stderr, "Wayland compositor does not export required global %s, aborting.\n", name);
- cleanup();
- exit(1);
-}
-
-void waylandFlush()
-{
- wl_display_dispatch_pending(display);
- if (wl_display_flush(display) < 0 && errno == EAGAIN) {
- for (auto& ev : pollfds) {
- if (ev.fd == displayFd) {
- ev.events |= POLLOUT;
- }
- }
- }
-}
-
-void setCloexec(int fd)
-{
- int flags = fcntl(fd, F_GETFD);
- if (flags == -1) {
- diesys("fcntl FD_GETFD");
- }
- if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) < 0) {
- diesys("fcntl FD_SETFD");
- }
-}
-
-void cleanup() {
- if (!statusFifoName.empty()) {
- unlink(statusFifoName.c_str());
- }
-}
-
-void die(const char* why) {
- fprintf(stderr, "error: %s failed, aborting\n", why);
- cleanup();
- exit(1);
-}
-
-void diesys(const char* why) {
- perror(why);
- cleanup();
- exit(1);
-}
diff --git a/somebar/src/shm_buffer.cpp b/somebar/src/shm_buffer.cpp
deleted file mode 100644
index 59baf6f..0000000
--- a/somebar/src/shm_buffer.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "shm_buffer.hpp"
-#include "common.hpp"
-
-static int createAnonShm();
-constexpr int n = 2;
-
-ShmBuffer::ShmBuffer(int w, int h, wl_shm_format format)
- : width(w)
- , height(h)
- , stride(w*4)
-{
- auto oneSize = stride*size_t(h);
- auto totalSize = oneSize * n;
- auto fd = createAnonShm();
- if (fd < 0) {
- diesys("memfd_create");
- }
- if (ftruncate(fd, totalSize) < 0) {
- diesys("ftruncate");
- }
- auto pool = wl_shm_create_pool(shm, fd, totalSize);
- auto ptr = reinterpret_cast<uint8_t*>(mmap(nullptr, totalSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
- if (!ptr) {
- diesys("mmap");
- }
- _mapping = MemoryMapping {ptr, totalSize};
- close(fd);
- for (auto i=0; i<n; i++) {
- auto offset = oneSize*i;
- _buffers[i] = {
- ptr+offset,
- wl_unique_ptr<wl_buffer> { wl_shm_pool_create_buffer(pool, offset, width, height, stride, format) },
- };
- }
- wl_shm_pool_destroy(pool);
-}
-
-uint8_t* ShmBuffer::data()
-{
- return _buffers[_current].data;
-}
-
-wl_buffer* ShmBuffer::buffer()
-{
- return _buffers[_current].buffer.get();
-}
-
-void ShmBuffer::flip()
-{
- _current = 1-_current;
-}
-
-#if defined(__linux__)
-int createAnonShm() {
- return memfd_create("wl_shm", MFD_CLOEXEC);
-}
-#elif defined(__FreeBSD__)
-int createAnonShm() {
- auto fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0600);
- setCloexec(fd);
- return fd;
-}
-#elif defined(__OpenBSD__)
-int createAnonShm() {
- char name[] = "/wl_shm-XXXXXX";
- auto fd = shm_mkstemp(name);
- if (fd >= 0) {
- auto res = shm_unlink(name);
- if (res < 0) {
- return res;
- }
- }
- setCloexec(fd);
- return fd;
-}
-#else
-#error "your system has no sane method of creating an anonymous shared memory object. no, calling shm_open in a loop is not sane."
-#endif
diff --git a/somebar/src/shm_buffer.hpp b/somebar/src/shm_buffer.hpp
deleted file mode 100644
index f6927dd..0000000
--- a/somebar/src/shm_buffer.hpp
+++ /dev/null
@@ -1,45 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#pragma once
-#include <array>
-#include <sys/mman.h>
-#include <wayland-client.h>
-#include "common.hpp"
-
-class MemoryMapping {
- void* _ptr {nullptr};
- size_t _size {0};
-public:
- MemoryMapping() { }
- explicit MemoryMapping(void* ptr, size_t size) : _ptr(ptr), _size(size) { }
- MemoryMapping(const MemoryMapping&) = delete;
- MemoryMapping(MemoryMapping&& other) { swap(other); }
- MemoryMapping& operator=(const MemoryMapping& other) = delete;
- MemoryMapping& operator=(MemoryMapping&& other) { swap(other); return *this; }
- ~MemoryMapping() { if (_ptr) munmap(_ptr, _size); }
- void swap(MemoryMapping &other) {
- using std::swap;
- swap(_ptr, other._ptr);
- swap(_size, other._size);
- }
-};
-
-// double buffered shm
-// format is must be 32-bit
-class ShmBuffer {
- struct Buf {
- uint8_t* data {nullptr};
- wl_unique_ptr<wl_buffer> buffer;
- };
- std::array<Buf, 2> _buffers;
- int _current {0};
- MemoryMapping _mapping;
-public:
- const uint32_t width, height, stride;
-
- explicit ShmBuffer(int width, int height, wl_shm_format format);
- uint8_t* data();
- wl_buffer* buffer();
- void flip();
-};
generated by cgit v1.2.3 (git 2.46.0) at 2026-08-28 22:19:21 +0000