SteamClientHomebrew · C-F0x · Jul 25, 2026
diff --git a/src/components/bottombar.cc b/src/components/bottombar.cc
@@ -38,6 +38,7 @@
 #endif
 #include <format>
 #include <util.h>
+#include <renderer.h>
 
 using namespace ImGui;
 
@@ -78,9 +79,104 @@ const void RenderBottomNavBar(const char* identifier, float xPos, std::function<
 
         const float buttonPos = GetCursorPosY();
 
-        SetCursorPosX(xPos + GetCursorPosX() + GetContentRegionAvail().x - FooterContainerWidth);
+        SetCursorPosX(xPos + GetCursorPosX() + GetContentRegionAvail().x - FooterContainerWidth - ScaleX(55));
         SetCursorPosY(GetCursorPosY() + ScaleY(10));
 
+        // ── Language button ────────────────────────────────────────────────
+        Image((ImTextureID)(intptr_t)languageIconTexture, ImVec2(ScaleX(30), ScaleY(30)));
+
+        static bool isLangButtonHovered = false;
+        float langTooltipAlpha = EaseInOutFloat(std::format("##LangTooltipAlpha{}", identifier).c_str(), 0.f, 1.f, isLangButtonHovered, 0.3f);
+
+        if (langTooltipAlpha != 0.f) {
+            SetMouseCursor(ImGuiMouseCursor_Hand);
+            PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+            PushStyleColor(ImGuiCol_Border, ImVec4(0.18f, 0.184f, 0.192f, 1.0f));
+            PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+            PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(ScaleX(10), ScaleY(10)));
+            PushStyleVar(ImGuiStyleVar_WindowRounding, 6);
+            PushStyleVar(ImGuiStyleVar_Alpha, langTooltipAlpha);
+            PushStyleColor(ImGuiCol_PopupBg, ImVec4(0.098f, 0.102f, 0.11f, 1.0f));
+            SetTooltip("%s", Locale::Get("tooltipLanguage"));
+            PopStyleVar(4);
+            PopStyleColor(3);
+        }
+
+        if (IsItemClicked())
+            OpenPopup("##LangPopup");
+
+        isLangButtonHovered = IsItemHovered() || (IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) && IsMouseDown(ImGuiMouseButton_Left));
+
+        // ── Language popup ─────────────────────────────────────────────────
+        {
+            ImGuiIO& io = GetIO();
+            ImFont* vietItemFont = (io.Fonts->Fonts.Size > 2) ? io.Fonts->Fonts[2] : nullptr;
+            ImFont* dropdownFont = (io.Fonts->Fonts.Size > 3) ? io.Fonts->Fonts[3] : nullptr;
+
+            const auto& langs = Locale::GetAvailableLanguages();
+            const std::string& currentLangId = Locale::GetCurrentLanguageId();
+
+            const float popupWidth = ScaleX(400);
+            const float popupHeight = ScaleY(500);
+            float anim = EaseInOutFloat("##LangPopupAnim", 0.f, 1.f, IsPopupOpen("##LangPopup"), 0.35f);
+
+            const float popupBtnY = viewport->Size.y - BottomNavBarHeight;
+            float popupY = popupBtnY - popupHeight + ScaleY(6) * (1.f - anim);
+            SetNextWindowPos({ viewport->Size.x - popupWidth - ScaleX(50), popupY });
+            SetNextWindowSize({ popupWidth, popupHeight });
+            SetNextWindowBgAlpha(anim);
+
+            PushStyleColor(ImGuiCol_PopupBg, ImVec4(0.098f, 0.102f, 0.11f, 1.0f));
+            PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+            PushStyleColor(ImGuiCol_Header, ImVec4(0.15f, 0.155f, 0.165f, 1.0f));
+            PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(0.22f, 0.225f, 0.235f, 1.0f));
+            PushStyleColor(ImGuiCol_Border, ImVec4(0.18f, 0.184f, 0.192f, 1.0f));
+            PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(ScaleX(10), ScaleY(10)));
+            PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ScaleX(8), ScaleY(6)));
+            PushStyleVar(ImGuiStyleVar_PopupRounding, ScaleX(6));
+
+            if (dropdownFont)
+                PushFont(dropdownFont);
+
+            if (BeginPopup("##LangPopup", ImGuiWindowFlags_NoMove)) {
+                if (!::IsWindowFocused())
+                    CloseCurrentPopup();
+                PushStyleVar(ImGuiStyleVar_Alpha, anim);
+                for (const auto& lang : langs) {
+                    bool isSelected = (lang.id == currentLangId);
+                    bool useVietFont = (lang.id == "vietnamese") && (vietItemFont != nullptr);
+                    if (useVietFont) {
+                        if (dropdownFont)
+                            PopFont();
+                        PushFont(vietItemFont);
+                    }
+                    if (Selectable(lang.displayName.c_str(), isSelected, 0, ImVec2(popupWidth, 0))) {
+                        Locale::SetLanguage(lang.id);
+                        RequestFontRebuild();
+                        CloseCurrentPopup();
+                    }
+                    if (isSelected)
+                        SetItemDefaultFocus();
+                    if (useVietFont) {
+                        PopFont();
+                        if (dropdownFont)
+                            PushFont(dropdownFont);
+                    }
+                }
+                PopStyleVar();
+                EndPopup();
+            }
+
+            if (dropdownFont)
+                PopFont();
+
+            PopStyleVar(3);
+            PopStyleColor(5);
+        }
+
+        SameLine(0, ScaleX(25));
+        SetCursorPosY(GetCursorPosY() - ScaleY(15));
+
         Image((ImTextureID)(intptr_t)discordIconTexture, ImVec2(ScaleX(30), ScaleY(30)));
 
         static bool isDiscordButtonHovered = false;

diff --git a/src/components/titlebar.cc b/src/components/titlebar.cc
@@ -114,12 +114,14 @@ bool RenderTitleBarComponent(std::shared_ptr<RouterNav> router)
         if (isLangButtonHovered)
             PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.f, 1.f, 1.f, 0.06f));
 
+        /* Commented out — language icon moved to bottom bar (bottombar.cc)
         BeginChild("##LangButton", { langButtonDimensions.x, langButtonDimensions.y }, false, ImGuiWindowFlags_NoScrollbar);
         {
             SetCursorPos({ (langButtonDimensions.x - ScaleX(20)) * 0.5f, ScaleY(12) });
             Image((ImTextureID)(intptr_t)languageIconTexture, { ScaleX(20), ScaleY(20) });
         }
         EndChild();
+        */
 
         ImVec2 langBtnMin = GetItemRectMin();
         ImVec2 langBtnMax = GetItemRectMax();
@@ -137,6 +139,7 @@ bool RenderTitleBarComponent(std::shared_ptr<RouterNav> router)
 
         isLangButtonHovered = IsItemHovered();
 
+        /*Migrate to BottomBar
         ImGuiIO& io = GetIO();
         ImFont* vietItemFont = (io.Fonts->Fonts.Size > 2) ? io.Fonts->Fonts[2] : nullptr;
         ImFont* dropdownFont = (io.Fonts->Fonts.Size > 3) ? io.Fonts->Fonts[3] : nullptr;
@@ -198,6 +201,7 @@ bool RenderTitleBarComponent(std::shared_ptr<RouterNav> router)
         PopStyleVar(3);
         PopStyleColor(4);
 
+        */
         SetCursorPos({ viewport->Size.x - closeButtonDimensions.x, 0 });
 
         PushStyleVar(ImGuiStyleVar_ChildRounding, 0);

diff --git a/src/locales/brazilian.json b/src/locales/brazilian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Entrar no servidor Discord",
-    "tooltipGithub": "Ver código-fonte"
+    "tooltipGithub": "Ver código-fonte",
+    "tooltipLanguage": "Mudar Idioma"
 }
diff --git a/src/locales/bulgarian.json b/src/locales/bulgarian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Присъединете се към Discord сървъра",
-    "tooltipGithub": "Вижте изходния код"
+    "tooltipGithub": "Вижте изходния код",
+    "tooltipLanguage": "Смяна на език"
 }
diff --git a/src/locales/danish.json b/src/locales/danish.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Tilmeld Discord-serveren",
-    "tooltipGithub": "Se kildekode"
+    "tooltipGithub": "Se kildekode",
+    "tooltipLanguage": "Skift Sprog"
 }
diff --git a/src/locales/dutch.json b/src/locales/dutch.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Discord-server joinen",
-    "tooltipGithub": "Broncode bekijken"
+    "tooltipGithub": "Broncode bekijken",
+    "tooltipLanguage": "Taal Wijzigen"
 }
diff --git a/src/locales/english.json b/src/locales/english.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Join Discord Server",
-    "tooltipGithub": "View Source Code"
+    "tooltipGithub": "View Source Code",
+    "tooltipLanguage": "Change Language"
 }
diff --git a/src/locales/french.json b/src/locales/french.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Rejoindre le serveur Discord",
-    "tooltipGithub": "Voir le code source"
+    "tooltipGithub": "Voir le code source",
+    "tooltipLanguage": "Changer de Langue"
 }
diff --git a/src/locales/german.json b/src/locales/german.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Discord-Server beitreten",
-    "tooltipGithub": "Quellcode ansehen"
+    "tooltipGithub": "Quellcode ansehen",
+    "tooltipLanguage": "Sprache Ändern"
 }
diff --git a/src/locales/hungarian.json b/src/locales/hungarian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Csatlakozás a Discord-szerverhez",
-    "tooltipGithub": "Forráskód megtekintése"
+    "tooltipGithub": "Forráskód megtekintése",
+    "tooltipLanguage": "Nyelv Váltása"
 }
diff --git a/src/locales/indonesian.json b/src/locales/indonesian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Bergabung dengan Server Discord",
-    "tooltipGithub": "Lihat Kode Sumber"
+    "tooltipGithub": "Lihat Kode Sumber",
+    "tooltipLanguage": "Ganti Bahasa"
 }
diff --git a/src/locales/italian.json b/src/locales/italian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Unisciti al server Discord",
-    "tooltipGithub": "Vedi il codice sorgente"
+    "tooltipGithub": "Vedi il codice sorgente",
+    "tooltipLanguage": "Cambia Lingua"
 }
diff --git a/src/locales/japanese.json b/src/locales/japanese.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Discord サーバーに参加",
-    "tooltipGithub": "ソースコードを見る"
+    "tooltipGithub": "ソースコードを見る",
+    "tooltipLanguage": "言語を変更"
 }
diff --git a/src/locales/koreana.json b/src/locales/koreana.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Discord 서버 참가",
-    "tooltipGithub": "소스 코드 보기"
+    "tooltipGithub": "소스 코드 보기",
+    "tooltipLanguage": "언어 변경"
 }
diff --git a/src/locales/latam.json b/src/locales/latam.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Unirse al servidor de Discord",
-    "tooltipGithub": "Ver código fuente"
+    "tooltipGithub": "Ver código fuente",
+    "tooltipLanguage": "Cambiar Idioma"
 }
diff --git a/src/locales/polish.json b/src/locales/polish.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Dołącz do serwera Discord",
-    "tooltipGithub": "Zobacz kod źródłowy"
+    "tooltipGithub": "Zobacz kod źródłowy",
+    "tooltipLanguage": "Zmień Język"
 }
diff --git a/src/locales/russian.json b/src/locales/russian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Присоединиться к Discord",
-    "tooltipGithub": "Посмотреть исходный код"
+    "tooltipGithub": "Посмотреть исходный код",
+    "tooltipLanguage": "Сменить Язык"
 }
diff --git a/src/locales/schinese.json b/src/locales/schinese.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "加入 Discord 服务器",
-    "tooltipGithub": "查看源代码"
+    "tooltipGithub": "查看源代码",
+    "tooltipLanguage": "修改语言"
 }
diff --git a/src/locales/spanish.json b/src/locales/spanish.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Unirse al servidor de Discord",
-    "tooltipGithub": "Ver código fuente"
+    "tooltipGithub": "Ver código fuente",
+    "tooltipLanguage": "Cambiar Idioma"
 }
diff --git a/src/locales/swedish.json b/src/locales/swedish.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Gå med i Discord-servern",
-    "tooltipGithub": "Visa källkod"
+    "tooltipGithub": "Visa källkod",
+    "tooltipLanguage": "Ändra Språk"
 }
diff --git a/src/locales/tchinese.json b/src/locales/tchinese.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "加入 Discord 伺服器",
-    "tooltipGithub": "檢視原始碼"
+    "tooltipGithub": "檢視原始碼",
+    "tooltipLanguage": "修改語言"
 }
diff --git a/src/locales/turkish.json b/src/locales/turkish.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Discord Sunucusuna Katıl",
-    "tooltipGithub": "Kaynak Kodunu Görüntüle"
+    "tooltipGithub": "Kaynak Kodunu Görüntüle",
+    "tooltipLanguage": "Dili Değiştir"
 }
diff --git a/src/locales/ukrainian.json b/src/locales/ukrainian.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Приєднатися до Discord",
-    "tooltipGithub": "Переглянути вихідний код"
+    "tooltipGithub": "Переглянути вихідний код",
+    "tooltipLanguage": "Змінити Мову"
 }
diff --git a/src/locales/vietnamese.json b/src/locales/vietnamese.json
@@ -55,5 +55,6 @@
     "titlebarTitle": "Steam Homebrew",
 
     "tooltipDiscord": "Tham gia máy chủ Discord",
-    "tooltipGithub": "Xem mã nguồn"
+    "tooltipGithub": "Xem mã nguồn",
+    "tooltipLanguage": "Đổi Ngôn Ngữ"
 }