added a dialog for errors

Cargo.lock

@@ -76,6 +76,25 @@ dependencies = [
  "backtrace",
 ]
 
+[[package]]
+name = "arboard"
+version = "3.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df099ccb16cd014ff054ac1bf392c67feeef57164b05c42f037cd40f5d4357f4"
+dependencies = [
+ "clipboard-win",
+ "core-graphics",
+ "image",
+ "log",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-foundation",
+ "parking_lot",
+ "windows-sys 0.48.0",
+ "wl-clipboard-rs",
+ "x11rb",
+]
+
 [[package]]
 name = "arrayref"
 version = "0.3.9"
@@ -106,7 +125,7 @@ dependencies = [
  "url",
  "wayland-backend",
  "wayland-client",
- "wayland-protocols",
+ "wayland-protocols 0.32.6",
  "zbus",
 ]
 
@@ -323,6 +342,7 @@ name = "babylonia-terminal-gui"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "arboard",
  "babylonia-terminal-sdk",
  "downloader",
  "glib-build-tools",
@@ -447,12 +467,24 @@ version = "3.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
+[[package]]
+name = "bytemuck"
+version = "1.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6b1fc10dbac614ebc03540c9dbd60e83887fda27794998c6528f1782047d540"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "byteorder-lite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
+
 [[package]]
 name = "bytes"
 version = "1.10.0"
@@ -507,6 +539,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
+
 [[package]]
 name = "cfg_aliases"
 version = "0.2.1"
@@ -599,6 +637,15 @@ version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
 
+[[package]]
+name = "clipboard-win"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15efe7a882b08f34e38556b14f2fb3daa98769d06c7f0c1b076dfd0d983bc892"
+dependencies = [
+ "error-code",
+]
+
 [[package]]
 name = "colorchoice"
 version = "1.0.3"
@@ -669,6 +716,30 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "core-graphics"
+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c07782be35f9e1140080c6b96f0d44b739e2278479f64e02fdab4e32dfd8b081"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation 0.9.4",
+ "core-graphics-types",
+ "foreign-types 0.5.0",
+ "libc",
+]
+
+[[package]]
+name = "core-graphics-types"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45390e6114f68f718cc7a830514a96f903cccd70d02a8f6d9f643ac4ba45afaf"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation 0.9.4",
+ "libc",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -718,6 +789,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72e3ae26c830a573f2e231fc2475f71fce4705609097cb9523abfc4007caed0b"
 
+[[package]]
+name = "derive-new"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d150dea618e920167e5973d70ae6ece4385b7164e0d799fe7c122dd0a5d912ad"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "dialoguer"
 version = "0.11.0"
@@ -870,6 +952,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "error-code"
+version = "3.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d9305ccc6942a704f4335694ecd3de2ea531b114ac2d51f5f843750787a92f"
+
 [[package]]
 name = "event-listener"
 version = "5.4.0"
@@ -897,6 +985,15 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
+[[package]]
+name = "fdeflate"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e6853b52649d4ac5c0bd02320cddc5ba956bdb407c4b75a2c6b75bf51500f8c"
+dependencies = [
+ "simd-adler32",
+]
+
 [[package]]
 name = "field-offset"
 version = "0.3.6"
@@ -919,6 +1016,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flate2"
 version = "1.0.35"
@@ -953,7 +1056,28 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
 dependencies = [
- "foreign-types-shared",
+ "foreign-types-shared 0.1.1",
+]
+
+[[package]]
+name = "foreign-types"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d737d9aa519fb7b749cbc3b962edcf310a8dd1f4b67c91c4f83975dbdd17d965"
+dependencies = [
+ "foreign-types-macros",
+ "foreign-types-shared 0.3.1",
+]
+
+[[package]]
+name = "foreign-types-macros"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -962,6 +1086,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "foreign-types-shared"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa9a19cbb55df58761df49b23516a86d432839add4af60fc256da840f66ed35b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.1"
@@ -1152,6 +1282,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "gethostname"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0176e0459c2e4a1fe232f984bca6890e681076abb9934f6cea7c326f3fc47818"
+dependencies = [
+ "libc",
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -1767,6 +1907,19 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "image"
+version = "0.25.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd6f44aed642f18953a158afeb30206f4d50da59fbc66ecb53c66488de73563b"
+dependencies = [
+ "bytemuck",
+ "byteorder-lite",
+ "num-traits",
+ "png",
+ "tiff",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.7.1"
@@ -1808,6 +1961,12 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5d4a7da358eff58addd2877a45865158f0d78c911d43a5784ceb7bbf52833b0"
+
 [[package]]
 name = "js-sys"
 version = "0.3.77"
@@ -1940,6 +2099,12 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.4"
@@ -1947,6 +2112,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3b1c9bd4fe1f0f8b387f6eb9eb3b4a1aa26185e5750efb9140301703f62cd1b"
 dependencies = [
  "adler2",
+ "simd-adler32",
 ]
 
 [[package]]
@@ -2000,6 +2166,18 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "nix"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab2156c4fce2f8df6c499cc1c763e4394b7482525bf2a9701c9d79d215f519e4"
+dependencies = [
+ "bitflags 2.8.0",
+ "cfg-if",
+ "cfg_aliases 0.1.1",
+ "libc",
+]
+
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -2008,17 +2186,36 @@ checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
 dependencies = [
  "bitflags 2.8.0",
  "cfg-if",
- "cfg_aliases",
+ "cfg_aliases 0.2.1",
  "libc",
  "memoffset",
 ]
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.16.0"
@@ -2167,7 +2364,7 @@ checksum = "5e14130c6a98cd258fdcb0fb6d744152343ff729cbfcb28c656a9d12b999fbcd"
 dependencies = [
  "bitflags 2.8.0",
  "cfg-if",
- "foreign-types",
+ "foreign-types 0.3.2",
  "libc",
  "once_cell",
  "openssl-macros",
@@ -2219,6 +2416,16 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "os_pipe"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ffd2b0a5634335b135d5728d84c5e0fd726954b87111f7506a61c502280d982"
+dependencies = [
+ "libc",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "pango"
 version = "0.20.9"
@@ -2278,6 +2485,16 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "petgraph"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+dependencies = [
+ "fixedbitset",
+ "indexmap",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.16"
@@ -2307,6 +2524,19 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
+[[package]]
+name = "png"
+version = "0.17.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82151a2fc869e011c153adc57cf2789ccb8d9906ce52c0b39a6b5697749d7526"
+dependencies = [
+ "bitflags 1.3.2",
+ "crc32fast",
+ "fdeflate",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "polling"
 version = "3.7.4"
@@ -2932,6 +3162,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "simple_logger"
 version = "4.3.3"
@@ -3157,6 +3393,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba1310fcea54c6a9a4fd1aad794ecc02c31682f6bfbecdf460bf19533eed1e3e"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "time"
 version = "0.3.37"
@@ -3374,6 +3621,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tree_magic_mini"
+version = "3.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aac5e8971f245c3389a5a76e648bfc80803ae066a1243a75db0064d7c1129d63"
+dependencies = [
+ "fnv",
+ "memchr",
+ "nom",
+ "once_cell",
+ "petgraph",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.5"
@@ -3600,6 +3860,18 @@ dependencies = [
  "wayland-scanner",
 ]
 
+[[package]]
+name = "wayland-protocols"
+version = "0.31.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f81f365b8b4a97f422ac0e8737c438024b5951734506b0e1d775c73030561f4"
+dependencies = [
+ "bitflags 2.8.0",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-scanner",
+]
+
 [[package]]
 name = "wayland-protocols"
 version = "0.32.6"
@@ -3612,6 +3884,19 @@ dependencies = [
  "wayland-scanner",
 ]
 
+[[package]]
+name = "wayland-protocols-wlr"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad1f61b76b6c2d8742e10f9ba5c3737f6530b4c243132c2a2ccc8aa96fe25cd6"
+dependencies = [
+ "bitflags 2.8.0",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-protocols 0.31.2",
+ "wayland-scanner",
+]
+
 [[package]]
 name = "wayland-scanner"
 version = "0.31.6"
@@ -3660,6 +3945,12 @@ version = "0.25.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f20c57d8d7db6d3b86154206ae5d8fba62dd39573114de97c2cb0578251f8e1"
 
+[[package]]
+name = "weezl"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53a85b86a771b1c87058196170769dd264f66c0782acf1ae6cc51bfd64b39082"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -3908,6 +4199,26 @@ dependencies = [
  "bitflags 2.8.0",
 ]
 
+[[package]]
+name = "wl-clipboard-rs"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12b41773911497b18ca8553c3daaf8ec9fe9819caf93d451d3055f69de028adb"
+dependencies = [
+ "derive-new",
+ "libc",
+ "log",
+ "nix 0.28.0",
+ "os_pipe",
+ "tempfile",
+ "thiserror",
+ "tree_magic_mini",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-protocols 0.31.2",
+ "wayland-protocols-wlr",
+]
+
 [[package]]
 name = "write16"
 version = "1.0.0"
@@ -3920,6 +4231,23 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
 
+[[package]]
+name = "x11rb"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d91ffca73ee7f68ce055750bf9f6eca0780b8c85eff9bc046a3b0da41755e12"
+dependencies = [
+ "gethostname",
+ "rustix",
+ "x11rb-protocol",
+]
+
+[[package]]
+name = "x11rb-protocol"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec107c4503ea0b4a98ef47356329af139c0a4f7750e621cf2973cd3385ebcb3d"
+
 [[package]]
 name = "xattr"
 version = "1.4.0"
@@ -3986,7 +4314,7 @@ dependencies = [
  "futures-core",
  "futures-lite",
  "hex",
- "nix",
+ "nix 0.29.0",
  "ordered-stream",
  "serde",
  "serde_repr",

babylonia-terminal-gui/Cargo.toml

@@ -13,6 +13,7 @@ relm4 = { version = "0.9.1", features = ["libadwaita"] }
 libadwaita = { version = "0.7.1", features = ["v1_4"] }
 downloader = { git = "https://github.com/ALEZ-DEV/downloader" }   # version = "0.2.7",
 rfd = "0.15.2"
+arboard = { version = "3.4.1", features = ["wayland-data-control"] }
 
 [build-dependencies]
 glib-build-tools = "0.20.0"

babylonia-terminal-gui/src/manager.rs

@@ -14,7 +14,10 @@ use wincompatlib::prelude::Proton;
 
 use crate::ui::{
     self,
-    pages::steps::{self, download_components},
+    pages::steps::{
+        self,
+        download_components::{self, DownloadComponentsPageWidgets},
+    },
 };
 
 static PROTON: OnceCell<Proton> = OnceCell::const_new();
@@ -140,8 +143,9 @@ impl Worker for HandleComponentInstallation {
                             GameConfig::get_config_directory().await
                         };
 
-                        GameManager::install_wine(game_dir.clone(), proton_release, Some(progress_bar.clone()))
+                        if let Err(error) = GameManager::install_wine(game_dir.clone(), proton_release, Some(progress_bar.clone())).await {
-                            .await;
+                            sender.output(download_components::DownloadComponentsMsg::ShowError(format!("Failed to install proton : {}", error))).unwrap();
+                        }
 
                         let _ = sender
                             .output(download_components::DownloadComponentsMsg::UpdateProgressBarMsg(String::from("Starting download for DXVK"), Some(String::from("Installing DXVK"))));
@@ -150,7 +154,9 @@ impl Worker for HandleComponentInstallation {
 
                         let _ = sender.output(download_components::DownloadComponentsMsg::UpdateDownloadedComponentName(String::from("DXVK")));
 
-                        GameManager::install_dxvk(&get_proton().await, game_dir, dxvk_release, Some(progress_bar.clone())).await;
+                        if let Err(error) = GameManager::install_dxvk(&get_proton().await, game_dir, dxvk_release, Some(progress_bar.clone())).await {
+                            sender.output(download_components::DownloadComponentsMsg::ShowError(format!("Failed to install DXVK : {}", error))).unwrap();
+                        }
 
                         let _ = sender
                             .output(download_components::DownloadComponentsMsg::UpdateProgressBarMsg(String::from("Downloading and installing fonts"), Some(String::from("Fonts installed"))));
@@ -159,7 +165,9 @@ impl Worker for HandleComponentInstallation {
 
                         let _ = sender.output(download_components::DownloadComponentsMsg::UpdateDownloadedComponentName(String::from("fonts")));
 
-                        GameManager::install_font(&get_proton().await, Some(progress_bar.clone())).await;
+                        if let Err(error) = GameManager::install_font(&get_proton().await, Some(progress_bar.clone())).await {
+                            sender.output(download_components::DownloadComponentsMsg::ShowError(format!("Failed to install fonts : {}", error))).unwrap();
+                        }
 
                         let _ = sender
                             .output(download_components::DownloadComponentsMsg::UpdateProgressBarMsg(String::from("Download and installing denpendecies"), None));
@@ -168,7 +176,10 @@ impl Worker for HandleComponentInstallation {
 
                         let _ = sender.output(download_components::DownloadComponentsMsg::UpdateDownloadedComponentName(String::from("denpendecies")));
 
-                        GameManager::install_dependencies(&get_proton().await).await;
+                        if let Err(error) = GameManager::install_dependencies(&get_proton().await).await {
+                            sender.output(download_components::DownloadComponentsMsg::ShowError(format!("Failed to install dependencies : {}", error))).unwrap();
+
+                        }
 
                         debug!("Finished to installing the components!");
 

babylonia-terminal-gui/src/ui/mod.rs

@@ -8,6 +8,7 @@ use relm4::{
     self,
     gtk::{self, prelude::*},
     loading_widgets::LoadingWidgets,
+    once_cell::sync::OnceCell,
     prelude::*,
     *,
 };
@@ -19,6 +20,8 @@ use crate::APP_RESOURCE_PATH;
 
 pub mod pages;
 
+pub static mut MAIN_WINDOW: Option<adw::ApplicationWindow> = None;
+
 pub fn run(app: RelmApp<MainWindowMsg>) {
     app.run_async::<MainWindow>(None);
 }
@@ -69,7 +72,7 @@ impl SimpleAsyncComponent for MainWindow {
 
     view! {
         #[root]
-        adw::ApplicationWindow {
+        main_window = adw::ApplicationWindow {
             set_default_size: (700, 560),
 
             add_css_class?: IS_DEVEL.then_some("devel"),
@@ -211,6 +214,10 @@ impl SimpleAsyncComponent for MainWindow {
 
         let widgets = view_output!();
 
+        unsafe {
+            MAIN_WINDOW = Some(widgets.main_window.clone());
+        }
+
         debug!("current GameState : {:?}", model.game_state);
 
         AsyncComponentParts { model, widgets }

babylonia-terminal-gui/src/ui/pages/steps/download_components.rs

@@ -1,5 +1,6 @@
 use std::{convert::identity, usize};
 
+use arboard::Clipboard;
 use babylonia_terminal_sdk::{
     components::{
         dxvk_component::{self, DXVKComponent},
@@ -22,7 +23,7 @@ use relm4::{
 use adw::prelude::*;
 use libadwaita as adw;
 
-use crate::{manager, ui::MainWindowMsg};
+use crate::{manager, ui::MAIN_WINDOW};
 
 use super::SetupPageMsg;
 
@@ -33,7 +34,9 @@ pub enum DownloadComponentsMsg {
     ShowDoneMsg,
     UpdateDownloadedComponentName(String),
     UpdateCurrentlyInstalling(CurrentlyInstalling),
+    ShowError(String), // error message
     Finish,
+    Quit,
 }
 
 #[derive(Debug, PartialEq, Eq)]
@@ -50,6 +53,7 @@ pub struct DownloadComponentsPage {
     // widgets
     proton_combo: adw::ComboRow,
     dxvk_combo: adw::ComboRow,
+    //error_dialog: Controller<CopyDialog>,
 
     // values
     proton_versions: Vec<GithubRelease>,
@@ -137,6 +141,16 @@ impl SimpleAsyncComponent for DownloadComponentsPage {
 
                         connect_clicked => DownloadComponentsMsg::UpdateCurrentlyInstalling(CurrentlyInstalling::Proton),
                     },
+
+                    gtk::Button {
+                        set_css_classes: &["suggested-action", "pill"],
+
+                        set_label: "Test dialog",
+                        set_hexpand: false,
+                        set_width_request: 200,
+
+                        connect_clicked => DownloadComponentsMsg::ShowError(String::from("Test dialog")),
+                    },
                 },
             },
 
@@ -269,7 +283,12 @@ impl SimpleAsyncComponent for DownloadComponentsPage {
         let model = DownloadComponentsPage {
             proton_combo: adw::ComboRow::new(),
             dxvk_combo: adw::ComboRow::new(),
-
+            //error_dialog: CopyDialog::builder()
+            //    .transient_for(&root)
+            //    .launch(())
+            //    .forward(sender.input_sender(), move |msg| match msg {
+            //        DialogOutput::Close => DownloadComponentsMsg::Quit,
+            //    }),
             proton_versions: proton_releases,
             dxvk_versions: dxvk_releases,
             selected_proton_version: None,
@@ -326,9 +345,32 @@ impl SimpleAsyncComponent for DownloadComponentsPage {
             DownloadComponentsMsg::UpdateCurrentlyInstalling(currently_installing) => {
                 self.currently_installing = currently_installing;
             }
+            DownloadComponentsMsg::ShowError(message) => {
+                let dialog = unsafe {
+                    adw::MessageDialog::new(
+                        MAIN_WINDOW.as_ref(),
+                        Some("Error while downloading components"),
+                        Some(&message),
+                    )
+                };
+
+                dialog.add_response("close", "Close");
+                dialog.add_response("copy", "Copy");
+
+                dialog.set_response_appearance("copy", adw::ResponseAppearance::Suggested);
+
+                dialog.connect_response(Some("copy"), move |_, _| {
+                    if let Err(err) = Clipboard::new().unwrap().set_text(&message.clone()) {
+                        error!("Failed to copy the error to the clipboard : {}", err);
+                    }
+                });
+
+                dialog.present();
+            }
             DownloadComponentsMsg::Finish => {
                 let _ = sender.output(SetupPageMsg::Finish);
             }
+            DownloadComponentsMsg::Quit => relm4::main_application().quit(),
         }
 
         if self.selected_proton_version.is_none()