Windows notify

include/ReWindow/types/Window.h

@@ -376,6 +376,7 @@ public:
     /// @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.
+    /// @note On Windows, icon must be a .ico
     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.

src/platform/windows/Window.cpp

@@ -16,6 +16,42 @@ public:
 
 using namespace ReWindow;
 
+// TODO destroy n_data after it's no longer shown. Destroying it early causes the notification to come from explorer.
+bool RWindow::Notify(const std::string& title, const std::string& content, const std::filesystem::path& icon) {
+    NOTIFYICONDATA n_data = {};
+    HICON n_icon = nullptr;
+
+    if (!icon.empty()) {
+        n_icon = (HICON) LoadImageW(
+        nullptr,
+        icon.c_str(),
+        IMAGE_ICON,
+        0, 0,
+        LR_LOADFROMFILE | LR_DEFAULTSIZE
+        );
+
+        if (!n_icon)
+            return false;
+    }
+
+    n_data.cbSize = sizeof(NOTIFYICONDATA);
+    n_data.hWnd = platform->hwnd;
+    n_data.uID = 1;
+    n_data.uFlags = NIF_INFO | NIF_ICON | NIF_MESSAGE | NIF_TIP;
+    n_data.uCallbackMessage = WM_USER + 1;
+    n_data.hIcon = n_icon;
+    lstrcpy(n_data.szTip, title.c_str());
+    lstrcpy(n_data.szInfo, content.c_str());
+    lstrcpy(n_data.szInfoTitle, title.c_str());
+    n_data.dwInfoFlags = NIIF_USER;
+
+    Shell_NotifyIcon(NIM_ADD, &n_data);
+    Shell_NotifyIcon(NIM_MODIFY, &n_data);
+
+    //Shell_NotifyIcon(NIM_DELETE, &n_data);
+    return true;
+}
+
 void RWindow::SetSize(int newWidth, int newHeight) {
     if (!resizable)
         return;