TextAligned, TextAlignedV: rework to always use provided width. (#7024, #9455, #1980)

imgui.h

diff --git a/imgui.h b/imgui.h
index 54eea30..07175b0 100644
--- a/imgui.h
+++ b/imgui.h
@@ -30,7 +30,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
 #define IMGUI_VERSION       "1.93.0 WIP"
-#define IMGUI_VERSION_NUM   19293
+#define IMGUI_VERSION_NUM   19294
 #define IMGUI_HAS_TABLE             // Added BeginTable() - from IMGUI_VERSION_NUM >= 18000
 #define IMGUI_HAS_TEXTURES          // Added ImGuiBackendFlags_RendererHasTextures - from IMGUI_VERSION_NUM >= 19198
 

imgui_widgets.cpp

diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 5bd6da9..2fe200f 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -342,18 +342,18 @@
         PopTextWrapPos();
 }
 
-void ImGui::TextAligned(float align_x, float size_x, const char* fmt, ...)
+void ImGui::TextAligned(float align_x, float width, const char* fmt, ...)
 {
     va_list args;
     va_start(args, fmt);
-    TextAlignedV(align_x, size_x, fmt, args);
+    TextAlignedV(align_x, width, fmt, args);
     va_end(args);
 }
 
 // align_x: 0.0f = left, 0.5f = center, 1.0f = right.
-// size_x : 0.0f = shortcut for GetContentRegionAvail().x
-// 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, float size_x, const char* fmt, va_list args)
+// width < 0.0f (e.g. -FLT_MIN): shortcut for GetContentRegionAvail().x
+// FIXME-WIP: Works but API is likely to be reworked. This is designed for 1 item on the line. (#7024, #9455)
+void ImGui::TextAlignedV(float align_x, float width, const char* fmt, va_list args)
 {
     ImGuiWindow* window = GetCurrentWindow();
     if (window->SkipItems)
@@ -362,23 +362,25 @@
     const char* text, *text_end;
     ImFormatStringToTempBufferV(&text, &text_end, fmt, args);
     const ImVec2 text_size = CalcTextSize(text, text_end);
-    size_x = CalcItemSize(ImVec2(size_x, 0.0f), 0.0f, text_size.y).x;
 
+    const ImVec2 size = CalcItemSize(ImVec2(width, 0.0f), 0.0f, text_size.y);
     ImVec2 pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
-    ImVec2 pos_max(pos.x + size_x, window->ClipRect.Max.y);
-    ImVec2 size(ImMin(size_x, text_size.x), text_size.y);
+    ImVec2 pos_max(pos.x + size.x, window->ClipRect.Max.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 < size_x)
-        pos.x += ImTrunc((size_x - text_size.x) * align_x);
-    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.
+    const bool is_visible = ItemAdd(ImRect(pos, pos + size), 0);
+    window->DC.CursorMaxPos.x = backup_max_pos.x; // Cancel out extending content to 'size' to use 'text_size' allowing auto-resize to function with align_x > 0.0f
+    if (!is_visible)
+        return;
 
-    if (size_x < text_size.x && IsItemHovered(ImGuiHoveredFlags_NoNavOverride | ImGuiHoveredFlags_AllowWhenDisabled | ImGuiHoveredFlags_ForTooltip))
+    if (align_x > 0.0f && text_size.x < size.x)
+        pos.x += ImTrunc((size.x - text_size.x) * align_x);
+    RenderTextEllipsis(window->DrawList, pos, pos_max, pos_max.x, text, text_end, &text_size);
+
+    if (size.x < text_size.x && IsItemHovered(ImGuiHoveredFlags_NoNavOverride | ImGuiHoveredFlags_AllowWhenDisabled | ImGuiHoveredFlags_ForTooltip))
         SetTooltip("%.*s", (int)(text_end - text), text);
 }