Method DrawText

ui/UIEdit.cpp:288–357

}

void UIEdit::DrawText() {
  char buffer[EDIT_BUFLEN_MAX];
  int str_w, i, cursor_w;

  if (m_FontHandle > -1)
    ui_DrawSetFont(m_FontHandle);

  // I need an extra character.
  ASSERT(strlen(m_TextBuf) < sizeof(buffer));

  if (m_Flags & UIED_PASSWORD) {
    memset(buffer, '*', strlen(m_TextBuf));
    buffer[strlen(m_TextBuf)] = 0;
  } else {
    strcpy(buffer, m_TextBuf);
  }

  if (m_Active || HasFocus())
    ui_SetCharAlpha(255);
  else
    ui_SetCharAlpha(164);

  if (IsDisabled())
    ui_SetCharAlpha(96);

  // we must set StartPos if StartPos is -1
  if (m_StartPos < 0) {
    m_StartPos = 0;
    cursor_w = ui_GetTextWidth("_");
    str_w = ui_GetTextWidth(&buffer[m_StartPos]);
    while ((m_X1b + str_w) > (m_X2b - cursor_w)) {
      m_StartPos++;
      str_w = ui_GetTextWidth(&buffer[m_StartPos]);
    }
  }

  // determine how much of string to draw at one time.
  i = 0;

  cursor_w = ui_GetTextWidth("_") * 2;
  str_w = ui_GetTextWidth(&buffer[m_StartPos]);
  while ((m_X1b + str_w) > (m_X2b - cursor_w) && ((int)strlen(buffer) > m_StartPos)) {
    buffer[strlen(buffer) - 1] = 0;
    str_w = ui_GetTextWidth(&buffer[m_StartPos]);
    i++;
  }

  // if i is > 0, then the string displayed overlaps the boundaries of the listbox
  m_ScrollThresh = i ? (strlen(buffer)) : 0;

  if (m_ScrollThresh && m_UpdateCount) {
    m_StartPos++;
    m_UpdateCount = false;
  }

  // if cursor position is outside viewing region, we must adjust the viewing region.
  //	i = strlen(buffer);
  //	while (m_CurPos > i)