From 6a42d6b339e0c86cdf0bce866bf390496155df69 Mon Sep 17 00:00:00 2001
From: ocornut <omar@miracleworld.net>
Date: Wed, 23 Apr 2025 14:39:59 +0200
Subject: [PATCH] Added wp TextAligned() TextAlignedV(), TextAlignedExV() to
 internal API. (#7024)

---
 imgui.h           |  2 +-
 imgui_internal.h  |  7 ++++++-
 imgui_widgets.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/imgui.h b/imgui.h
index af72083e3..64049bed6 100644
--- a/imgui.h
+++ b/imgui.h
@@ -29,7 +29,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
 #define IMGUI_VERSION       "1.92.0 WIP"
-#define IMGUI_VERSION_NUM   19193
+#define IMGUI_VERSION_NUM   19194
 #define IMGUI_HAS_TABLE
 
 /*
diff --git a/imgui_internal.h b/imgui_internal.h
index 2c147e397..cc5c488ba 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -3443,8 +3443,13 @@ namespace ImGui
     IMGUI_API void          RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding);
     IMGUI_API void          RenderRectFilledWithHole(ImDrawList* draw_list, const ImRect& outer, const ImRect& inner, ImU32 col, float rounding);
 
-    // Widgets
+    // Widgets: Text
     IMGUI_API void          TextEx(const char* text, const char* text_end = NULL, ImGuiTextFlags flags = 0);
+    IMGUI_API void          TextAligned(float align_x, const char* fmt, ...);               // FIXME-WIP: Works but API is likely to be reworked. This is designed for 1 item on the line. (#7024)
+    IMGUI_API void          TextAlignedV(float align_x, const char* fmt, va_list args);
+    IMGUI_API void          TextAlignedExV(float align_x, float avail_x, const char* fmt, va_list args);
+
+    // Widgets
     IMGUI_API bool          ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0, 0), ImGuiButtonFlags flags = 0);
     IMGUI_API bool          ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags = 0);
     IMGUI_API bool          ImageButtonEx(ImGuiID id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags = 0);
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 6a6d1e6ad..6e19c22ed 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -339,6 +339,52 @@ void ImGui::TextWrappedV(const char* fmt, va_list args)
         PopTextWrapPos();
 }
 
+void ImGui::TextAligned(float align_x, const char* fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    TextAlignedV(align_x, fmt, args);
+    va_end(args);
+}
+
+// align_x: 0.0f = left, 0.5f = center, 1.0f = right.
+// FIXME-WIP: Works but API is likely to be reworked. This is designed for 1 item on the line. (#7024)
+void ImGui::TextAlignedV(float align_x, const char* fmt, va_list args)
+{
+    TextAlignedExV(align_x, GetContentRegionAvail().x, fmt, args);
+}
+
+void ImGui::TextAlignedExV(float align_x, float avail_x, const char* fmt, va_list args)
+{
+    ImGuiWindow* window = GetCurrentWindow();
+    if (window->SkipItems)
+        return;
+
+    const char* text, *text_end;
+    ImFormatStringToTempBufferV(&text, &text_end, fmt, args);
+    const ImVec2 text_size = CalcTextSize(text, text_end);
+
+    ImVec2 pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
+    ImVec2 pos_max(pos.x + avail_x, window->ClipRect.Max.y);
+    ImVec2 size(ImMin(avail_x, text_size.x), text_size.y);
+    window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, pos.x + text_size.x);
+    window->DC.IdealMaxPos.x = ImMax(window->DC.IdealMaxPos.x, pos.x + text_size.x);
+    if (align_x > 0.0f && text_size.x < avail_x)
+    {
+        pos.x += ImTrunc((avail_x - text_size.x) * align_x);
+        window->DC.CursorPos = pos;
+    }
+    RenderTextEllipsis(window->DrawList, pos, pos_max, pos_max.x, text, text_end, &text_size);
+
+    const ImVec2 backup_max_pos = window->DC.CursorMaxPos;
+    ItemSize(size);
+    ItemAdd(ImRect(pos, pos + size), 0);
+    window->DC.CursorMaxPos.x = backup_max_pos.x; // Cancel out extending content size because right-aligned text would otherwise mess it up.
+
+    if (avail_x < text_size.x && IsItemHovered(ImGuiHoveredFlags_NoNavOverride | ImGuiHoveredFlags_AllowWhenDisabled | ImGuiHoveredFlags_ForTooltip))
+        SetTooltip("%.*s", (int)(text_end - text), text);
+}
+
 void ImGui::LabelText(const char* label, const char* fmt, ...)
 {
     va_list args;