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hammer/titlewnd.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "stdafx.h"
+#include <commctrl.h>
+#include "TitleWnd.h"
+#include "MainFrm.h"
+#include "Resource.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+
+CFont CTitleWnd::m_FontNormal;
+CFont CTitleWnd::m_FontActive;
+
+
+BEGIN_MESSAGE_MAP(CTitleWnd, CWnd)
+	ON_WM_PAINT()
+	ON_WM_RBUTTONDOWN()
+	ON_WM_LBUTTONDOWN()
+	ON_WM_MOUSEMOVE()
+	ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
+END_MESSAGE_MAP()
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Factory. Registers the title window class if necessary and creates
+//			a title window.
+// Input  : pwndParent - Pointer to parent window.
+//			uID - Window ID to use for the title window.
+// Output : Returns a pointer to the newly created title window.
+//-----------------------------------------------------------------------------
+CTitleWnd *CTitleWnd::CreateTitleWnd(CWnd *pwndParent, UINT uID)
+{
+	//
+	// Register the window class if we have not done so already.
+	//
+	static CString strTitleWndClass;
+	if (strTitleWndClass.IsEmpty())
+	{
+		strTitleWndClass = AfxRegisterWndClass(CS_BYTEALIGNCLIENT, AfxGetApp()->LoadStandardCursor(IDC_ARROW), HBRUSH(GetStockObject(BLACK_BRUSH)));
+	}
+
+	//
+	// Create the title window.
+	//
+	CTitleWnd *pWnd = new CTitleWnd();
+	if (pWnd != NULL)
+	{
+		pWnd->Create(strTitleWndClass, "Title Window", WS_CHILD | WS_VISIBLE, CRect(0, 0, 5, 5), pwndParent, uID);
+	}
+
+	return(pWnd);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor. Creates fonts the first time it is called.
+//-----------------------------------------------------------------------------
+CTitleWnd::CTitleWnd(void)
+{
+	if (!m_FontNormal.m_hObject)
+	{
+		//
+		// Create two fonts, a normal one and a bold one for when we are active.
+		//
+		m_FontNormal.CreateFont(16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, "MS Sans Serif");
+		m_FontActive.CreateFont(16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, "MS Sans Serif");
+	}
+
+	m_bMenuOpen = false;
+	m_bMouseOver = false;
+	m_szTitle[0] = '\0';
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets the text to display in the window. The window size is recalculated
+//			to ensure that the text fits.
+// Input  : pszTitle - Text to display in the window.
+//-----------------------------------------------------------------------------
+void CTitleWnd::SetTitle(LPCTSTR pszTitle)
+{
+	Assert(pszTitle != NULL);
+	if (pszTitle != NULL)
+	{
+		strcpy(m_szTitle, pszTitle);
+		if (::IsWindow(m_hWnd))
+		{
+			CDC *pDC = GetDC();
+			if (pDC != NULL)
+			{
+				pDC->SelectObject(&m_FontActive);
+				CSize TextSize = pDC->GetTextExtent(m_szTitle, strlen(m_szTitle));
+				SetWindowPos(NULL, 0, 0, TextSize.cx, TextSize.cy, SWP_NOMOVE | SWP_NOZORDER);
+				Invalidate();
+				UpdateWindow();
+			}
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Turns off the active font when the mouse leaves our client area.
+// Input  : Per WM_MOUSELEAVE.
+//-----------------------------------------------------------------------------
+LRESULT CTitleWnd::OnMouseLeave(WPARAM wParam, LPARAM lParam)
+{
+	m_bMouseOver = false;
+	Invalidate();
+	UpdateWindow();
+	return(0);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Enables mouse tracking so we can render with a special font when
+//			the mouse floats over the window.
+// Input  : Per MFC OnMouseMove.
+//-----------------------------------------------------------------------------
+void CTitleWnd::OnMouseMove(UINT nFlags, CPoint point)
+{
+	if (!m_bMouseOver)
+	{
+		TRACKMOUSEEVENT Track;
+		Track.cbSize = sizeof(Track);
+		Track.dwFlags = TME_HOVER | TME_LEAVE;
+		Track.hwndTrack = m_hWnd;
+		Track.dwHoverTime = 0.1;
+
+		_TrackMouseEvent(&Track);
+
+		m_bMouseOver = true;
+
+		Invalidate();
+		UpdateWindow();
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Renders the title window. A special font is used if the mouse is
+//			over the title window or if the window's menu is open.
+//-----------------------------------------------------------------------------
+void CTitleWnd::OnPaint(void)
+{
+	if (m_szTitle[0] != '\0')
+	{
+		if (GetUpdateRect(NULL, TRUE))
+		{
+			CPaintDC dc(this);
+			CFont *pFontOld;
+
+			if ((m_bMouseOver) || (m_bMenuOpen))
+			{
+				pFontOld = dc.SelectObject(&m_FontActive);
+				dc.SetTextColor(RGB(255, 255, 255));
+			}
+			else
+			{
+				pFontOld = dc.SelectObject(&m_FontNormal);
+				dc.SetTextColor(RGB(200, 200, 200));
+			}
+
+			dc.SetBkMode(TRANSPARENT);
+			dc.TextOut(0, 0, m_szTitle, strlen(m_szTitle));
+			dc.SelectObject(pFontOld);
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Opens the context menu when right-clicked upon.
+// Input  : Per MFC OnRightButtonDown.
+//-----------------------------------------------------------------------------
+void CTitleWnd::OnLButtonDown(UINT nFlags, CPoint point)
+{
+	OnMouseButton();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Opens the context menu when right-clicked upon.
+// Input  : Per MFC OnRightButtonDown.
+//-----------------------------------------------------------------------------
+void CTitleWnd::OnRButtonDown(UINT nFlags, CPoint point)
+{
+	OnMouseButton();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Opens the context menu when right-clicked upon.
+// Input  : Per MFC OnRightButtonDown.
+//-----------------------------------------------------------------------------
+void CTitleWnd::OnMouseButton(void)
+{
+	static BOOL bFirstTime = TRUE;
+	static CMenu Menu;
+
+	if (bFirstTime)
+	{
+		Menu.LoadMenu(IDR_POPUPS);
+		bFirstTime = FALSE;
+	}
+
+	CMenu *pPopupMenu = Menu.GetSubMenu(5);
+	Assert(pPopupMenu);
+
+	CRect rect;
+	GetClientRect(&rect);
+
+	CPoint MenuLocation(0, rect.bottom);
+	ClientToScreen(&MenuLocation);
+
+	m_bMenuOpen = true;
+	pPopupMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, MenuLocation.x, MenuLocation.y, (CWnd *)GetMainWnd(), NULL);
+	m_bMenuOpen = false;
+}
+