From ffe0abbfc2672b1d44a51f7f7b36c9075e4409f4 Mon Sep 17 00:00:00 2001 From: ocornut Date: Wed, 23 Nov 2022 16:05:16 +0100 Subject: [PATCH] Internals: added basic localization system (#5895) --- imgui.cpp | 40 +++++++++++++++++++++++++++++++++------- imgui_internal.h | 39 +++++++++++++++++++++++++++++++++++++++ imgui_tables.cpp | 8 ++++---- 3 files changed, 76 insertions(+), 11 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 0fac8730..9d463dc1 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -80,7 +80,8 @@ CODE // [SECTION] DRAG AND DROP // [SECTION] LOGGING/CAPTURING // [SECTION] SETTINGS -// [SECTION] VIEWPORTS +// [SECTION] LOCALIZATION +// [SECTION] VIEWPORTS, PLATFORM WINDOWS // [SECTION] PLATFORM DEPENDENT HELPERS // [SECTION] METRICS/DEBUGGER WINDOW // [SECTION] DEBUG LOG WINDOW @@ -4772,12 +4773,24 @@ void ImGui::NewFrame() CallContextHooks(&g, ImGuiContextHookType_NewFramePost); } +// IMPORTANT: ###xxx suffixes must be same in ALL languages +static const ImGuiLocEntry GLocalizationEntriesEnUS[] = +{ + { ImGuiLocKey_TableSizeOne, "Size column to fit###SizeOne" }, + { ImGuiLocKey_TableSizeAllFit, "Size all columns to fit###SizeAll" }, + { ImGuiLocKey_TableSizeAllDefault, "Size all columns to default###SizeAll" }, + { ImGuiLocKey_TableResetOrder, "Reset order###ResetOrder" }, + { ImGuiLocKey_WindowingMainMenuBar, "(Main menu bar)" }, + { ImGuiLocKey_WindowingPopup, "(Popup)" }, + { ImGuiLocKey_WindowingUntitled, "(Untitled)" }, +}; + void ImGui::Initialize() { ImGuiContext& g = *GImGui; IM_ASSERT(!g.Initialized && !g.SettingsLoaded); - // Add .ini handle for ImGuiWindow type + // Add .ini handle for ImGuiWindow and ImGuiTable types { ImGuiSettingsHandler ini_handler; ini_handler.TypeName = "Window"; @@ -4789,10 +4802,11 @@ void ImGui::Initialize() ini_handler.WriteAllFn = WindowSettingsHandler_WriteAll; AddSettingsHandler(&ini_handler); } - - // Add .ini handle for ImGuiTable type TableSettingsAddSettingsHandler(); + // Setup default localization table + LocalizeRegisterEntries(GLocalizationEntriesEnUS, IM_ARRAYSIZE(GLocalizationEntriesEnUS)); + // Create default viewport ImGuiViewportP* viewport = IM_NEW(ImGuiViewportP)(); g.Viewports.push_back(viewport); @@ -11660,10 +11674,10 @@ static void ImGui::NavUpdateWindowing() static const char* GetFallbackWindowNameForWindowingList(ImGuiWindow* window) { if (window->Flags & ImGuiWindowFlags_Popup) - return "(Popup)"; + return ImGui::LocalizeGetMsg(ImGuiLocKey_WindowingPopup); if ((window->Flags & ImGuiWindowFlags_MenuBar) && strcmp(window->Name, "##MainMenuBar") == 0) - return "(Main menu bar)"; - return "(Untitled)"; + return ImGui::LocalizeGetMsg(ImGuiLocKey_WindowingMainMenuBar); + return ImGui::LocalizeGetMsg(ImGuiLocKey_WindowingUntitled); } // Overlay displayed when using CTRL+TAB. Called by EndFrame(). @@ -12593,6 +12607,18 @@ static void WindowSettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandl } +//----------------------------------------------------------------------------- +// [SECTION] LOCALIZATION +//----------------------------------------------------------------------------- + +void ImGui::LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count) +{ + ImGuiContext& g = *GImGui; + for (int n = 0; n < count; n++) + g.LocalizationTable[entries[n].Key] = entries[n].Text; +} + + //----------------------------------------------------------------------------- // [SECTION] VIEWPORTS, PLATFORM WINDOWS //----------------------------------------------------------------------------- diff --git a/imgui_internal.h b/imgui_internal.h index 5c09ce49..015f6b65 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -26,6 +26,7 @@ Index of this file: // [SECTION] Docking support // [SECTION] Viewport support // [SECTION] Settings support +// [SECTION] Localization support // [SECTION] Metrics, Debug tools // [SECTION] Generic context hooks // [SECTION] ImGuiContext (main imgui context) @@ -121,6 +122,7 @@ struct ImGuiDataTypeInfo; // Type information associated to a ImGuiDat struct ImGuiGroupData; // Stacked storage data for BeginGroup()/EndGroup() struct ImGuiInputTextState; // Internal state of the currently focused/edited text input box struct ImGuiLastItemData; // Status storage for last submitted items +struct ImGuiLocEntry; // A localization entry. struct ImGuiMenuColumns; // Simple column measurement, currently used for MenuItem() only struct ImGuiNavItemData; // Result of a gamepad/keyboard directional navigation move query result struct ImGuiMetricsConfig; // Storage for ShowMetricsWindow() and DebugNodeXXX() functions @@ -144,8 +146,12 @@ struct ImGuiWindow; // Storage for one window struct ImGuiWindowTempData; // Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame, in practice we currently keep it for each window) struct ImGuiWindowSettings; // Storage for a window .ini settings (we keep one of those even if the actual window wasn't instanced during this session) +// Enumerations // Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists. +enum ImGuiLocKey : int; // -> enum ImGuiLocKey // Enum: a localization entry for translation. typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical + +// Flags typedef int ImGuiActivateFlags; // -> enum ImGuiActivateFlags_ // Flags: for navigation/focus function (will be for ActivateItem() later) typedef int ImGuiDebugLogFlags; // -> enum ImGuiDebugLogFlags_ // Flags: for ShowDebugLogWindow(), g.DebugLogFlags typedef int ImGuiInputFlags; // -> enum ImGuiInputFlags_ // Flags: for IsKeyPressed(), IsMouseClicked(), SetKeyOwner(), SetItemKeyOwner() etc. @@ -1608,6 +1614,30 @@ struct ImGuiSettingsHandler ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); } }; +//----------------------------------------------------------------------------- +// [SECTION] Localization support +//----------------------------------------------------------------------------- + +// This is experimental and not officially supported, it'll probably fall short of features, if/when it does we may backtrack. +enum ImGuiLocKey : int +{ + ImGuiLocKey_TableSizeOne, + ImGuiLocKey_TableSizeAllFit, + ImGuiLocKey_TableSizeAllDefault, + ImGuiLocKey_TableResetOrder, + ImGuiLocKey_WindowingMainMenuBar, + ImGuiLocKey_WindowingPopup, + ImGuiLocKey_WindowingUntitled, + ImGuiLocKey_COUNT +}; + +struct ImGuiLocEntry +{ + ImGuiLocKey Key; + const char* Text; +}; + + //----------------------------------------------------------------------------- // [SECTION] Metrics, Debug Tools //----------------------------------------------------------------------------- @@ -1938,6 +1968,9 @@ struct ImGuiContext ImVector Hooks; // Hooks for extensions (e.g. test engine) ImGuiID HookIdNext; // Next available HookId + // Localization + const char* LocalizationTable[ImGuiLocKey_COUNT]; + // Capture/Logging bool LogEnabled; // Currently capturing ImGuiLogType LogType; // Capture target @@ -2109,6 +2142,8 @@ struct ImGuiContext SettingsDirtyTimer = 0.0f; HookIdNext = 0; + memset(LocalizationTable, 0, sizeof(LocalizationTable)); + LogEnabled = false; LogType = ImGuiLogType_None; LogNextPrefix = LogNextSuffix = NULL; @@ -2725,6 +2760,10 @@ namespace ImGui IMGUI_API void RemoveSettingsHandler(const char* type_name); IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name); + // Localization + IMGUI_API void LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count); + inline const char* LocalizeGetMsg(ImGuiLocKey key) { ImGuiContext& g = *GImGui; const char* msg = g.LocalizationTable[key]; return msg ? msg : "*Missing Text*"; } + // Scrolling IMGUI_API void SetScrollX(ImGuiWindow* window, float scroll_x); IMGUI_API void SetScrollY(ImGuiWindow* window, float scroll_y); diff --git a/imgui_tables.cpp b/imgui_tables.cpp index 53aafc47..66a46573 100644 --- a/imgui_tables.cpp +++ b/imgui_tables.cpp @@ -3070,15 +3070,15 @@ void ImGui::TableDrawContextMenu(ImGuiTable* table) if (column != NULL) { const bool can_resize = !(column->Flags & ImGuiTableColumnFlags_NoResize) && column->IsEnabled; - if (MenuItem("Size column to fit###SizeOne", NULL, false, can_resize)) + if (MenuItem(LocalizeGetMsg(ImGuiLocKey_TableSizeOne), NULL, false, can_resize)) // "###SizeOne" TableSetColumnWidthAutoSingle(table, column_n); } const char* size_all_desc; if (table->ColumnsEnabledFixedCount == table->ColumnsEnabledCount && (table->Flags & ImGuiTableFlags_SizingMask_) != ImGuiTableFlags_SizingFixedSame) - size_all_desc = "Size all columns to fit###SizeAll"; // All fixed + size_all_desc = LocalizeGetMsg(ImGuiLocKey_TableSizeAllFit); // "###SizeAll" All fixed else - size_all_desc = "Size all columns to default###SizeAll"; // All stretch or mixed + size_all_desc = LocalizeGetMsg(ImGuiLocKey_TableSizeAllDefault); // "###SizeAll" All stretch or mixed if (MenuItem(size_all_desc, NULL)) TableSetColumnWidthAutoAll(table); want_separator = true; @@ -3087,7 +3087,7 @@ void ImGui::TableDrawContextMenu(ImGuiTable* table) // Ordering if (table->Flags & ImGuiTableFlags_Reorderable) { - if (MenuItem("Reset order", NULL, false, !table->IsDefaultDisplayOrder)) + if (MenuItem(LocalizeGetMsg(ImGuiLocKey_TableResetOrder), NULL, false, !table->IsDefaultDisplayOrder)) table->IsResetDisplayOrderRequest = true; want_separator = true; }