Wrapped text: fixed incorrect testing for negative wrap coordinates, they are perfectly legal. (#706)

imgui.cpp

@@ -1946,8 +1946,7 @@ float ImGui::CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x)
     else if (wrap_pos_x > 0.0f)
         wrap_pos_x += window->Pos.x - window->Scroll.x; // wrap_pos_x is provided is window local space
 
-    const float wrap_width = wrap_pos_x > 0.0f ? ImMax(wrap_pos_x - pos.x, 0.00001f) : 0.0f;
-    return wrap_width;
+    return ImMax(wrap_pos_x - pos.x, 1.0f);
 }
 
 //-----------------------------------------------------------------------------
@@ -5356,9 +5355,7 @@ void ImGui::TextUnformatted(const char* text, const char* text_end)
         const ImVec2 text_size = CalcTextSize(text_begin, text_end, false, wrap_width);
 
         // Account of baseline offset
-        ImVec2 text_pos = window->DC.CursorPos;
-        text_pos.y += window->DC.CurrentLineTextBaseOffset;
-
+        ImVec2 text_pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrentLineTextBaseOffset);
         ImRect bb(text_pos, text_pos + text_size);
         ItemSize(text_size);
         if (!ItemAdd(bb, NULL))