Descent3/legacy/D3Launch/Label.cpp

/*
 * Descent 3
 * Copyright (C) 2024 Parallax Software
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

// Label.cpp : implementation file
//

#include "stdafx.h"
#include "Resource.h"
#include "Label.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CLabel

CLabel::CLabel() {
  m_crText = GetSysColor(COLOR_WINDOWTEXT);
  m_hBrush = ::CreateSolidBrush(GetSysColor(COLOR_3DFACE));

  ::GetObject((HFONT)GetStockObject(DEFAULT_GUI_FONT), sizeof(m_lf), &m_lf);

  m_font.CreateFontIndirect(&m_lf);
  m_bTimer = FALSE;
  m_bState = FALSE;
  m_bLink = TRUE;
  m_hCursor = NULL;
  m_Type = None;

  m_hwndBrush = ::CreateSolidBrush(GetSysColor(COLOR_3DFACE));
}

CLabel::~CLabel() {
  m_font.DeleteObject();
  ::DeleteObject(m_hBrush);
}

CLabel &CLabel::SetText(const CString &strText) {
  SetWindowText(strText);
  return *this;
}

CLabel &CLabel::SetTextColor(COLORREF crText) {
  m_crText = crText;
  RedrawWindow();
  return *this;
}

CLabel &CLabel::SetFontBold(BOOL bBold) {
  m_lf.lfWeight = bBold ? FW_BOLD : FW_NORMAL;
  ReconstructFont();
  RedrawWindow();
  return *this;
}

CLabel &CLabel::SetFontUnderline(BOOL bSet) {
  m_lf.lfUnderline = bSet;
  ReconstructFont();
  RedrawWindow();
  return *this;
}

CLabel &CLabel::SetFontItalic(BOOL bSet) {
  m_lf.lfItalic = bSet;
  ReconstructFont();
  RedrawWindow();
  return *this;
}

CLabel &CLabel::SetSunken(BOOL bSet) {
  if (!bSet)
    ModifyStyleEx(WS_EX_STATICEDGE, 0, SWP_DRAWFRAME);
  else
    ModifyStyleEx(0, WS_EX_STATICEDGE, SWP_DRAWFRAME);

  return *this;
}

CLabel &CLabel::SetBorder(BOOL bSet) {
  if (!bSet)
    ModifyStyle(WS_BORDER, 0, SWP_DRAWFRAME);
  else
    ModifyStyle(0, WS_BORDER, SWP_DRAWFRAME);

  return *this;
}

CLabel &CLabel::SetFontSize(int nSize) {
  nSize *= -1;
  m_lf.lfHeight = nSize;
  ReconstructFont();
  RedrawWindow();
  return *this;
}

CLabel &CLabel::SetBkColor(COLORREF crBkgnd) {
  if (m_hBrush)
    ::DeleteObject(m_hBrush);

  m_hBrush = ::CreateSolidBrush(crBkgnd);
  return *this;
}

CLabel &CLabel::SetFontName(const CString &strFont) {
  strcpy(m_lf.lfFaceName, strFont);
  ReconstructFont();
  RedrawWindow();
  return *this;
}

BEGIN_MESSAGE_MAP(CLabel, CStatic)
//{{AFX_MSG_MAP(CLabel)
ON_WM_CTLCOLOR_REFLECT()
ON_WM_TIMER()
ON_WM_LBUTTONDOWN()
ON_WM_SETCURSOR()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLabel message handlers

HBRUSH CLabel::CtlColor(CDC *pDC, UINT nCtlColor) {
  // TODO: Change any attributes of the DC here

  // TODO: Return a non-NULL brush if the parent's handler should not be called

  if (CTLCOLOR_STATIC == nCtlColor) {
    pDC->SelectObject(&m_font);
    pDC->SetTextColor(m_crText);
    pDC->SetBkMode(TRANSPARENT);
  }

  if (m_Type == Background) {
    if (!m_bState)
      return m_hwndBrush;
  }

  return m_hBrush;
}

void CLabel::ReconstructFont() {
  m_font.DeleteObject();
  BOOL bCreated = m_font.CreateFontIndirect(&m_lf);

  ASSERT(bCreated);
}

CLabel &CLabel::FlashText(BOOL bActivate) {
  if (m_bTimer) {
    SetWindowText(m_strText);
    KillTimer(1);
  }

  if (bActivate) {
    GetWindowText(m_strText);
    m_bState = FALSE;

    m_bTimer = TRUE;
    SetTimer(1, 500, NULL);
    m_Type = Text;
  }

  return *this;
}

CLabel &CLabel::FlashBackground(BOOL bActivate) {

  if (m_bTimer)
    KillTimer(1);

  if (bActivate) {
    m_bState = FALSE;

    m_bTimer = TRUE;
    SetTimer(1, 500, NULL);

    m_Type = Background;
  }

  return *this;
}

void CLabel::OnTimer(UINT nIDEvent) {
  m_bState = !m_bState;

  switch (m_Type) {
  case Text:
    if (m_bState)
      SetWindowText("");
    else
      SetWindowText(m_strText);
    break;

  case Background:
    InvalidateRect(NULL, FALSE);
    UpdateWindow();
    break;
  }

  CStatic::OnTimer(nIDEvent);
}

CLabel &CLabel::SetLink(BOOL bLink) {
  m_bLink = bLink;

  if (bLink)
    ModifyStyle(0, SS_NOTIFY);
  else
    ModifyStyle(SS_NOTIFY, 0);

  return *this;
}

void CLabel::OnLButtonDown(UINT nFlags, CPoint point) {
  CString strLink;

  GetWindowText(strLink);
  ShellExecute(NULL, "open", strLink, NULL, NULL, SW_SHOWNORMAL);

  CStatic::OnLButtonDown(nFlags, point);
}

BOOL CLabel::OnSetCursor(CWnd *pWnd, UINT nHitTest, UINT message) {
  if (m_hCursor) {
    ::SetCursor(m_hCursor);
    return TRUE;
  }

  return CStatic::OnSetCursor(pWnd, nHitTest, message);
}

CLabel &CLabel::SetLinkCursor(HCURSOR hCursor) {
  m_hCursor = hCursor;
  return *this;
}