Decompile 2 functions in Source/UI/Window/UIWindow.cpp, Source/UI/Window/UIWindow.h, ...

Batch #5472 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_16977 UIWindow::FitDisplayText: logic confirmed by peer review
- fn_16978 UIWindow::FitVerticalDisplayText: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, willerthal
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).

Source/UI/Text/UITextViewer.h

@@ -34,6 +34,8 @@ struct UITextViewerContext {
 };
 
 class UITextViewer : public UIListBox {
+  friend class UIWindow;
+
 public:
   UITextViewer(UIWindowContext& windows, UITextViewerContext& text);
   ~UITextViewer() override;

Source/UI/Window/UIWindow.cpp

@@ -26,6 +26,9 @@
 #include "UI/Lists/UIScrollBar.h"
 #include "UI/Lists/UIScrollBarNavi.h"
 #include "UI/Text/ColoredText.h"
+#include "UI/Text/NavigationLink.h"
+#include "UI/Text/TextMarkup.h"
+#include "UI/Text/UITextViewer.h"
 #include "UI/UIStaticBitmap.h"
 #include "UI/Navigation/UINavigationV4Wnd.h"
 #include "UI/Navigation/UIPrivateAirplaneWnd.h"
@@ -35,8 +38,10 @@
 #include "UI/Window/WindowManagerWindows.h"
 #include "UI/Window/WindowPolicy.h"
 #include "UI/Window/WindowRegistration.h"
+#include "Utility/Text/StringUtil.h"
 
 #include <algorithm>
+#include <atlconv.h>
 #include <bit>
 #include <cstdlib>
 #include <cstdio>
@@ -1340,6 +1345,118 @@ int UIWindow::FormattedTextWidth(std::string text, int family, int height, unsig
   return total;
 }
 
+// OFFSET: 0x00A80880
+// FUNCTION: fn_16977
+std::string UIWindow::FitDisplayText(int width, const char* text, int family, int height, unsigned char bold) {
+  std::string display = DisplayTextTag(std::string(text), "<URL>", "</URL>");
+  display = DisplayTextTag(std::move(display), "<NAVI>", "</NAVI>");
+  display = DisplayTextTag(std::move(display), "<TIPBOX>", "</TIPBOX>");
+  display = DisplayTextTag(std::move(display), "<ITEM>", "</ITEM>");
+  display = RemoveTextLinkInfo(std::move(display));
+
+  if (this->m_context->chatConverter) {
+    display = this->m_context->chatConverter->ConvertChat(std::move(display));
+  }
+
+  std::string navigation;
+  DisplayNavigationLink(navigation, display);
+  display = std::move(navigation);
+  display = DisplayTextTag(std::move(display), "<QUEST>", "</QUEST>");
+
+  const auto textWidth = [this, family, height, bold](const char* value) {
+    if (!value) {
+      return 0;
+    }
+
+    const unsigned bytes = static_cast<unsigned>(std::strlen(value));
+    if (!bytes) {
+      return 0;
+    }
+
+    TextContext context(*this->geometry.surface);
+    context.SetFont(family, height, bold, 0);
+    return static_cast<int>(context.Measure(value, bytes).cx);
+  };
+
+  const int extent = textWidth(display.c_str());
+  {
+    TextContext context(*this->geometry.surface);
+    context.SetFont(family, height, bold, 0);
+    context.Measure("...", 3);
+  }
+
+  if (extent <= width) {
+    return display;
+  }
+
+  std::string fitted(display);
+  ATL::CA2WEX<128> wide(display.c_str(), CP_THREAD_ACP);
+  std::wstring remaining(wide);
+
+  while (remaining.size() > 1) {
+    std::size_t length = remaining.size() - 1;
+
+    if ((remaining[remaining.size() - 2] & 0x80) != 0 && (remaining[remaining.size() - 1] & 0x80) != 0) {
+      --length;
+    }
+
+    remaining.resize(length);
+
+    ATL::CW2AEX<128> converted(remaining.c_str(), CP_THREAD_ACP);
+    fitted = std::string(converted) + "...";
+
+    if (textWidth(fitted.c_str()) <= width) {
+      return fitted;
+    }
+  }
+
+  ATL::CW2AEX<128> converted(remaining.c_str(), CP_THREAD_ACP);
+  fitted = std::string(converted) + "...";
+  return fitted;
+}
+
+// OFFSET: 0x00A81400
+// FUNCTION: fn_16978
+std::string UIWindow::FitVerticalDisplayText(int height, const char* text, int family, int fontHeight, unsigned char bold) {
+  std::string display = DisplayTextTag(std::string(text), "<URL>", "</URL>");
+  display = DisplayTextTag(std::move(display), "<NAVI>", "</NAVI>");
+  display = DisplayTextTag(std::move(display), "<TIPBOX>", "</TIPBOX>");
+  display = DisplayTextTag(std::move(display), "<ITEM>", "</ITEM>");
+  display = RemoveTextLinkInfo(std::move(display));
+
+  if (this->m_context->chatConverter) {
+    display = this->m_context->chatConverter->ConvertChat(std::move(display));
+  }
+
+  std::string navigation;
+  DisplayNavigationLink(navigation, display);
+  display = std::move(navigation);
+  display = DisplayTextTag(std::move(display), "<QUEST>", "</QUEST>");
+
+  if (this->VerticalTextHeight(this->m_context->fonts, this->m_context->locale, display.c_str(), display.size(), family, fontHeight, bold) <= height) {
+    return display;
+  }
+
+  const char* begin = display.c_str();
+  std::size_t length = display.size();
+  std::string fitted(display);
+  int extent;
+
+  do {
+    fitted.resize(length);
+    fitted += ".";
+
+    if (CountCharacters(static_cast<WORD>(g_textCodePage), begin, begin + length) <= 1) {
+      break;
+    }
+
+    extent = this->VerticalTextHeight(this->m_context->fonts, this->m_context->locale, fitted.c_str(), fitted.size(), family, fontHeight, bold);
+    length = CharPrevExA(static_cast<WORD>(g_textCodePage), begin, begin + length, 0) - begin;
+  } while (height < extent);
+
+  return fitted;
+}
+
 // OFFSET: 0x00A7E120
 // FUNCTION: fn_16959
 std::list<int> UIWindow::WrapFormattedText(std::string text, std::list<std::string>* lines, int maxWidth, int family, int height, unsigned char bold) {

Source/UI/Window/UIWindow.h

@@ -31,6 +31,7 @@ struct SpriteFrameCell;
 class CBitmapRes;
 class CActRes;
 class TextureCache;
+class UITextViewer;
 struct WindowReplayRecorder;
 
 struct UIWindowContext {
@@ -43,6 +44,9 @@ struct UIWindowContext {
   WindowRegistration& registration;
   UIWindowMgr& windowMgr;
   std::unordered_set<UIWindow*>& deferredDeletion;
+  UITextViewer* const& chatConverter;
+  FontCache& fonts;
+  const TextLocale& locale;
 
   void DestroyDeferredChildren();
 };
@@ -175,6 +179,8 @@ public:
     FontCache& fonts, const TextLocale& locale, const char* text, unsigned bytes, int family, int height, unsigned char bold, unsigned char italic
   );
   int FormattedTextWidth(std::string text, int family, int height, unsigned char bold);
+  std::string FitDisplayText(int width, const char* text, int family, int height, unsigned char bold);
+  std::string FitVerticalDisplayText(int height, const char* text, int family, int fontHeight, unsigned char bold);
   std::list<int> WrapFormattedText(std::string text, std::list<std::string>* lines, int maxWidth, int family, int height, unsigned char bold);
   int RecordEditTexts(WindowReplayRecorder& recorder);
   int RestoreEditTexts(const unsigned char* data);