Linux notify

CMakeLists.txt

@@ -46,13 +46,16 @@ file(GLOB_RECURSE HEADERS "include/logger/*.h" "include/logger/*.hpp")
 
 if(UNIX AND NOT APPLE)
     file(GLOB_RECURSE SOURCES "src/types/*.cpp" "src/platform/linux/*.cpp" "src/platform/shared/*.cpp" "src/ReWindow/*.cpp" )
+
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(DBUS REQUIRED dbus-1)
+    include_directories("include" ${DBUS_INCLUDE_DIRS})
 endif()
 
 if(WIN32)
     file(GLOB_RECURSE SOURCES "src/types/*.cpp" "src/platform/windows/*.cpp" "src/platform/shared/*.cpp" "src/ReWindow/*.cpp")
-endif()
-
     include_directories("include")
+endif()
 
 if(UNIX)
     add_library(ReWindow SHARED ${SOURCES})
@@ -68,7 +71,7 @@ target_include_directories(ReWindow PUBLIC ${Event_SOURCE_DIR}/include)
 set_target_properties(ReWindow PROPERTIES LINKER_LANGUAGE CXX)
 
 if(UNIX AND NOT APPLE)
-    target_link_libraries(ReWindow PUBLIC X11 Event jlog)
+    target_link_libraries(ReWindow PUBLIC X11 Event jlog ${DBUS_LIBRARIES})
     target_link_libraries(ReWindow PUBLIC)
     add_executable(ReWindowDemo main.cpp)
     target_link_libraries(ReWindowDemo PUBLIC ReWindow)

README.md

@@ -25,8 +25,8 @@ A library which allows easily creating and managing a window and it's events acr
 Install dependencies
 
 ```bash
-Fedora/RHEL:  dnf install cmake make gcc-g++ libX11 libX11-devel mesa-libGL-devel vulkan-loader-devel
-Ubuntu/Debian:  apt-get install cmake make gcc g++ libx11-6 libx11-dev libgl-dev libvulkan-dev libxrandr-dev
+Fedora/RHEL:  dnf install cmake make gcc-g++ libX11 libX11-devel mesa-libGL-devel vulkan-loader-devel dbus-devel
+Ubuntu/Debian:  apt-get install cmake make gcc g++ libx11-6 libx11-dev libgl-dev libvulkan-dev libxrandr-dev libdbus-1-dev
 ```
 
 Clone the repository

include/ReWindow/types/Window.h

@@ -4,6 +4,7 @@
 #include <vector>
 #include <queue>
 #include <map>
+#include <filesystem>
 #include <Event.h>
 #include <ReWindow/types/Key.h>
 #include <ReWindow/types/Cursors.h>
@@ -371,6 +372,12 @@ public:
     /// @note If the window is already in focus when this is called nothing happens.
     void Flash();
 
+    /// Sends a notification to the operating system notification area.
+    /// @param title The notification title.
+    /// @param content The actual text of the notification.
+    /// @param icon The path to the icon to be displayed on the notification, Empty for none.
+    bool Notify(const std::string& title, const std::string& content, const std::filesystem::path& icon = "");
+
     /// @returns True if we are definitely running on a software renderer.
     /// @note For some APIs this isn't typically possible.
     [[nodiscard]] virtual bool SoftwareRendered() { return false; }

main.cpp

@@ -48,6 +48,7 @@ int main() {
 	auto* window = new MyWindow("Test Window", 600, 480);
 	Logger::Debug(std::format("New window '{}' created. width={} height={}", window->GetTitle(), window->GetWidth(), window->GetHeight()));
 
+	window->Notify("Hello", "Test notification.");
 	if (window->Open())
 		Logger::Debug(std::format("Opened window '{}'", window->GetTitle()));
 

reci/scripts/builddeps.reci

@@ -1 +1 @@
-Main:new("Install build dependencies", "apt-get install -yq libx11-6 libx11-dev libgl-dev libvulkan-dev")
+Main:new("Install build dependencies", "apt-get install -yq libx11-6 libx11-dev libgl-dev libvulkan-dev libdbus-1-dev")

src/platform/linux/Window.cpp

@@ -7,6 +7,7 @@
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <thread>
+#include <dbus/dbus.h>
 
 class ReWindow::RWindow::Platform {
 public:
@@ -31,6 +32,65 @@ public:
 
 using namespace ReWindow;
 
+bool RWindow::Notify(const std::string& title, const std::string& content, const std::filesystem::path& icon) {
+    DBusError db_error;
+    dbus_error_init(&db_error);
+
+    DBusConnection* db_connection = dbus_bus_get(DBUS_BUS_SESSION, &db_error);
+
+    if (!db_connection) {
+        dbus_error_free(&db_error);
+        return false;
+    }
+
+    DBusMessage* db_message = dbus_message_new_method_call(
+    "org.freedesktop.Notifications",
+    "/org/freedesktop/Notifications",
+    "org.freedesktop.Notifications",
+    "Notify"
+    );
+
+    if (!db_message)
+        return false;
+
+    const char* sender = this->title.c_str();
+    uint32_t replaces_id = 0;
+    const char* app_icon = icon.c_str();
+    const char* summary = title.c_str();
+    const char* body = content.c_str();
+    const char** actions = nullptr;
+
+    DBusMessageIter db_args;
+    dbus_message_iter_init_append(db_message, &db_args);
+
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_STRING, &sender);
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_UINT32, &replaces_id);
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_STRING, &app_icon);
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_STRING, &summary);
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_STRING, &body);
+
+    DBusMessageIter db_actions_array_iterator;
+    dbus_message_iter_open_container(&db_args, DBUS_TYPE_ARRAY, "s", &db_actions_array_iterator);
+    dbus_message_iter_close_container(&db_args, &db_actions_array_iterator);
+
+    dbus_message_iter_open_container(&db_args, DBUS_TYPE_ARRAY, "{sv}", &db_actions_array_iterator);
+    dbus_message_iter_close_container(&db_args, &db_actions_array_iterator);
+
+    int32_t notif_timeout = 5000;
+    dbus_message_iter_append_basic(&db_args, DBUS_TYPE_INT32, &notif_timeout);
+
+    DBusMessage* db_reply = dbus_connection_send_with_reply_and_block(db_connection, db_message, -1, &db_error);
+    dbus_message_unref(db_message);
+
+    if (!db_reply) {
+        dbus_error_free(&db_error);
+        return false;
+    }
+
+    dbus_message_unref(db_reply);
+    return true;
+}
+
 void RWindow::SetSize(const std::pair<int, int>& size) {
     this->SetSize(size.first, size.second);
 }