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windows-nt/Source/XPSP1/NT/multimedia/dshow/mfvideo/tvplayer/msmfcnt/msmfbbtn.cpp

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2020-09-26 03:20:57 -05:00
/*************************************************************************/
/* Copyright (C) 1999 Microsoft Corporation */
/* File: MSMFBBtn.cpp */
/* Description: Implementation of CMSMFBBtn Bitmap Button */
/* Author: David Janecek */
/*************************************************************************/
#include "stdafx.h"
#include "MSMFCnt.h"
#include "MSMFBBtn.h"
#include <commctrl.h>
#include "ocidl.h" // Added by ClassView
extern CComModule _Module;
/////////////////////////////////////////////////////////////////////////////
// CMSMFBBtn
/*************************************************************************/
/* Function: CMSMFBBtn */
/*************************************************************************/
CMSMFBBtn::CMSMFBBtn(){
Init();
for(INT i = 0; i < cgMaxBtnStates; i++){
m_pBitmap[i] = new CBitmap;
}/* end of for loop */
}/* end of function CMSMFBBtn */
/*************************************************************************/
/* Function: Init */
/* Description: Initializes variable states. */
/*************************************************************************/
void CMSMFBBtn::Init(){
m_nEntry = BtnState::Static;
m_hWndTip = NULL;
m_nTTMaxWidth = 200;
m_bTTCreated = FALSE;
m_fDirty = true; // to refresh text property, font etc.
m_uiFontSize = 10;
m_bstrTextValue = L"";
m_bstrFontFace = L"Arial";
m_bstrFontStyle = L"Normal";
m_clrBackColor = ::GetSysColor(COLOR_BTNFACE);
m_clrColorActive = 0x00ff0000; // blue
m_clrColorStatic = 0x00000000; // black
m_clrColorHover = 0x00ff0000; // blue
m_clrColorPush = 0x00ffffff; // white
m_clrColorDisable = 0x00808080; // grey
#if 0 // used for getting the windowed case working DJ
m_bWindowOnly = TRUE;
#endif
}/* end of function Init */
/*************************************************************************/
/* Function: ~CMSMFBBtn */
/* Description: Cleanup the bitmap and pallete arrays, unload resource */
/* DLL. */
/*************************************************************************/
CMSMFBBtn::~CMSMFBBtn(){
for(INT i = 0; i < cgMaxBtnStates; i++){
if (m_pBitmap[i]){
delete m_pBitmap[i];
m_pBitmap[i] = NULL;
}/* end of if statement */
//CComBSTR m_bstrFilename[..] should get destructed on the stack
}/* end of for loop */
Init();
}/* end of function ~CMSMFBBtn */
/*************************************************************************/
/* Function: OnDraw */
/* Description: Does the basic drawing */
/*************************************************************************/
HRESULT CMSMFBBtn::OnDraw(ATL_DRAWINFO& di){
USES_CONVERSION;
RECT& rc = *(RECT*)di.prcBounds;
HRESULT hr = S_OK;
if (m_pBitmap[m_nEntry]){
BOOL bRet;
if (::IsWindow(m_hWnd) && m_blitType != DISABLE) {
// TODO: Optimaze palette handling
#if 0
HPALETTE hNewPal = m_pBitmap[m_nEntry]->GetPal();
if(hNewPal){
HPALETTE hPal = ::SelectPalette(di.hdcDraw, hNewPal, TRUE);
::RealizePalette(di.hdcDraw);
}/* end of if statement */
#endif
COLORREF clr;
HPALETTE hNewPal = m_pBitmap[m_nEntry]->GetPal();
::OleTranslateColor (m_clrBackColor, hNewPal, &clr);
// fill background of specific color
HBRUSH hbrBack = ::CreateSolidBrush(clr);
//::FillRect(hdc, &rcClient, hbrBack);
::FillRect(di.hdcDraw, (LPRECT)di.prcBounds, hbrBack);
::DeleteObject(hbrBack);
}
bRet = m_pBitmap[m_nEntry]->PaintTransparentDIB(di.hdcDraw, NULL,
(LPRECT) di.prcBounds, m_blitType, FALSE, m_hWnd);
if (m_fDirty)
{
SetTextProperties();
}
hr = m_cText.Write(di.hdcDraw, rc, m_bstrTextValue);
hr = GetFocus();
// THIS ASSUMES WE ARE REPAINTING THE WHOLE CONTROL
// WHICH IS WHAT ATL AT THIS INCARNATION DOES
if(S_OK == hr){
::DrawFocusRect(di.hdcDraw, (LPRECT)di.prcBounds);
}/* end of if statement */
if(!bRet){
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return (hr);
}/* end of function OnDraw */
/*************************************************************************/
/* Function: SetTextProperties */
/* Description: Set the properties for the CText object. */
/*************************************************************************/
HRESULT CMSMFBBtn::SetTextProperties()
{
HRESULT hr = S_OK;
m_cText.SetFontFace(m_bstrFontFace);
m_cText.SetFontSize(m_uiFontSize);
m_cText.SetFontStyle(m_bstrFontStyle);
m_cText.SetFixedSizeFont(true);
// set the font color based on the current state
OLE_COLOR clrColorCurrent = m_clrColorStatic;
switch(m_nEntry)
{
case(BtnState::Static):
clrColorCurrent = m_clrColorStatic;
break;
case(BtnState::Hover):
clrColorCurrent = m_clrColorHover;
break;
case(BtnState::Active):
clrColorCurrent = m_clrColorActive;
break;
case(BtnState::Push):
clrColorCurrent = m_clrColorPush;
break;
case(BtnState::Disabled):
clrColorCurrent = m_clrColorDisable;
break;
}
// translate OLE_COLOR to COLORREF
COLORREF crCurrentState;
hr = OleTranslateColor(clrColorCurrent, NULL, &crCurrentState);
if (FAILED(hr))
{
crCurrentState = GetSysColor(COLOR_WINDOWTEXT);
}
m_cText.SetTextColor(crCurrentState);
m_fDirty = false;
return hr;
}
STDMETHODIMP CMSMFBBtn::get_TextWidth(long *pVal)
{
// special case early return
if (m_bstrTextValue.Length() == 0)
{
*pVal = 0;
return S_OK;
}
// get the current window or the window of its parent
HWND hwnd = GetWindow();
HDC hdc = ::GetWindowDC(hwnd);
// normalize to pixel coord as required by the container
SetMapMode(hdc, MM_TEXT);
if (m_fDirty)
{
SetTextProperties();
}
SIZE size;
m_cText.GetTextWidth(hdc, m_bstrTextValue, &size);
*pVal = size.cx;
::ReleaseDC(hwnd, hdc); // do not forget to free DC
return S_OK;
}
STDMETHODIMP CMSMFBBtn::get_TextHeight(long *pVal)
{
// get the current window or the window of its parent
HWND hwnd = GetWindow();
HDC hdc = ::GetWindowDC(hwnd);
// normalize to pixel coord as required by the container
SetMapMode(hdc, MM_TEXT);
if (m_fDirty)
{
SetTextProperties();
}
SIZE size;
m_cText.GetTextWidth(hdc, m_bstrTextValue, &size);
*pVal = size.cy;
::ReleaseDC(hwnd, hdc); // do not forget to free DC
return S_OK;
}
/*************************************************************************/
/* Function: get_ColorPush */
/* Description: return the ColorPush property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ColorPush(OLE_COLOR *pColor)
{
if (!pColor)
{
return E_POINTER;
}
*pColor = m_clrColorPush;
return S_OK;
}
/*************************************************************************/
/* Function: put_ColorPush */
/* Description: set the ColorPush property. This is the color of text */
/* in the Push state. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ColorPush(OLE_COLOR clrColor)
{
m_clrColorPush = clrColor;
if (m_nEntry == BtnState::Push)
{
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_ColorHover */
/* Description: return the ColorHover property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ColorHover(OLE_COLOR *pColor)
{
if (!pColor)
{
return E_POINTER;
}
*pColor = m_clrColorHover;
return S_OK;
}
/*************************************************************************/
/* Function: put_ColorHover */
/* Description: set the ColorHover property. This is the color of text */
/* in the Hover state. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ColorHover(OLE_COLOR clrColor)
{
m_clrColorHover = clrColor;
if (m_nEntry == BtnState::Hover)
{
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_ColorStatic */
/* Description: return the ColorStatic property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ColorStatic(OLE_COLOR *pColor)
{
if (!pColor)
{
return E_POINTER;
}
*pColor = m_clrColorStatic;
return S_OK;
}
/*************************************************************************/
/* Function: put_ColorPush */
/* Description: set the ColorPush property. This is the color of text */
/* in the Static (normal) state. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ColorStatic(OLE_COLOR clrColor)
{
m_clrColorStatic = clrColor;
if (m_nEntry == BtnState::Static)
{
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_ColorDisable */
/* Description: return the ColorDisable property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ColorDisable(OLE_COLOR *pColor)
{
if (!pColor)
{
return E_POINTER;
}
*pColor = m_clrColorDisable;
return S_OK;
}
/*************************************************************************/
/* Function: put_ColorDisable */
/* Description: set the ColorDisable property. This is the color of text */
/* in the Disabled state. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ColorDisable(OLE_COLOR clrColor)
{
m_clrColorDisable = clrColor;
if (m_nEntry == BtnState::Disabled)
{
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_ColorActive */
/* Description: return the ColorActive property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ColorActive(OLE_COLOR *pColor)
{
if (!pColor)
{
return E_POINTER;
}
*pColor = m_clrColorActive;
return S_OK;
}
/*************************************************************************/
/* Function: put_ColorActive */
/* Description: set the ColorActive property. This is the color of text */
/* in the Active state. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ColorActive(OLE_COLOR clrColor)
{
m_clrColorActive = clrColor;
if (m_nEntry == BtnState::Active)
{
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_FontSize */
/* Description: return the FontSize property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_FontSize(long *pVal)
{
if (!pVal)
{
return E_POINTER;
}
*pVal = m_uiFontSize;
return S_OK;
}
/*************************************************************************/
/* Function: put_FontSize */
/* Description: set the FontSize property, in pt. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_FontSize(long lSize)
{
if ((UINT)lSize != m_uiFontSize)
{
m_uiFontSize = (UINT)lSize;
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_Text */
/* Description: return the Text that is displayed in the control. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_Text(BSTR *pText)
{
if (!pText)
{
return E_POINTER;
}
*pText = m_bstrTextValue.Copy();
return S_OK;
}
/*************************************************************************/
/* Function: put_Text */
/* Description: set the text to be displayed in the control. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_Text(BSTR wsText)
{
if (_wcsicmp(m_bstrTextValue, wsText) != 0)
{
m_bstrTextValue = wsText;
FireViewChange();
}
return S_OK;
}
/*************************************************************************/
/* Function: get_FontFace */
/* Description: return the FontFace property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_FontFace(BSTR *pFontFace)
{
if (!pFontFace)
{
return E_POINTER;
}
*pFontFace = m_bstrFontFace.Copy();
return S_OK;
}
/*************************************************************************/
/* Function: put_FontFace */
/* Description: set the FontFace property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_FontFace(BSTR wsFontFace)
{
if (_wcsicmp(m_bstrFontFace, wsFontFace) != 0)
{
m_bstrFontFace = wsFontFace;
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_FontStyle */
/* Description: return the FontSize property. */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_FontStyle(BSTR *pFontStyle)
{
if (!pFontStyle)
{
return E_POINTER;
}
*pFontStyle = m_bstrFontStyle.Copy();
return S_OK;
}
/*************************************************************************/
/* Function: put_FontStyle */
/* Description: set the FontStyle property. The style string should */
/* contain either "Normal", or concatenation of one or more strings of: */
/* "Bold", "Italic", "Underline", "Strikeout". Default is "Normal". */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_FontStyle(BSTR wsFontStyle)
{
if (_wcsicmp(m_bstrFontStyle, wsFontStyle) != 0)
{
m_bstrFontStyle = wsFontStyle;
m_fDirty = true;
}
return S_OK;
}
/*************************************************************************/
/* Function: get_ImageStatic */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ImageStatic(BSTR *pstrFilename){
*pstrFilename = m_bstrFilename[BtnState::Static].Copy();
return S_OK;
}/* end of function get_ImageStatic */
/*************************************************************************/
/* Function: put_ImageStatic */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ImageStatic(BSTR strFilename){
if (!m_bstrFilename[BtnState::Disabled])
PutImage(strFilename, BtnState::Disabled);
return (PutImage(strFilename, BtnState::Static));
}/* end of function put_ImageStatic */
/*************************************************************************/
/* Function: get_ImageHover */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ImageHover(BSTR *pstrFilename){
*pstrFilename = m_bstrFilename[BtnState::Hover].Copy();
return S_OK;
}/* end of function get_ImageHover */
/*************************************************************************/
/* Function: put_ImageHover */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ImageHover(BSTR strFilename){
return (PutImage(strFilename, BtnState::Hover));
}/* end of function put_ImageHover */
/*************************************************************************/
/* Function: get_ImagePush */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ImagePush(BSTR *pstrFilename){
*pstrFilename = m_bstrFilename[BtnState::Push].Copy();
return S_OK;
}/* end of function get_ImagePush */
/*************************************************************************/
/* Function: put_ImagePush */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ImagePush(BSTR strFilename){
return (PutImage(strFilename, BtnState::Push));
}/* end of function put_ImagePush */
/*************************************************************************/
/* Function: get_ImageDisabled */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ImageDisabled(BSTR *pstrFilename){
*pstrFilename = m_bstrFilename[BtnState::Disabled].Copy();
return S_OK;
}/* end of function get_ImagePush */
/*************************************************************************/
/* Function: put_ImageDisabled */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ImageDisabled(BSTR strFilename){
return (PutImage(strFilename, BtnState::Disabled));
}/* end of function put_ImagePush */
/*************************************************************************/
/* Function: get_ImageActive */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ImageActive(BSTR *pstrFilename){
*pstrFilename = m_bstrFilename[BtnState::Active].Copy();
return S_OK;
}/* end of function get_ImagePush */
/*************************************************************************/
/* Function: put_ImageActive */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ImageActive(BSTR strFilename){
return (PutImage(strFilename, BtnState::Active));
}/* end of function put_ImagePush */
/*************************************************************************/
/* Function: PutImage */
/* Description: Reads the DIB file (from file or resource) into a DIB, */
/* updates palette and rects of the internal bitmap. */
/* Also forces redraw if changing the active image. */
/*************************************************************************/
HRESULT CMSMFBBtn::PutImage(BSTR strFilename, int nEntry){
USES_CONVERSION;
HRESULT hr = S_OK;
m_bstrFilename[nEntry] = strFilename;
TCHAR strBuffer[MAX_PATH] = TEXT("\0");
bool fGrayOut = false;
if(BtnState::Disabled == nEntry){
fGrayOut = gcfGrayOut;
}/* end of if statement */
hr = m_pBitmap[nEntry]->PutImage(strFilename, m_hRes, GetUnknown(),fGrayOut ,m_blitType);
if(FAILED(hr)){
return(hr);
}/* end of if statement */
if(nEntry == m_nEntry ){
// we are updating image that is being used, refresh it
ATLTRACE2(atlTraceWindowing, 20, TEXT("Redrawing the image\n"));
InvalidateRgn(); // our helper function
}/* end of if statement */
return(hr);
}/* end of function PutImage */
/*************************************************************************/
/* Function: OnButtonDown */
/* Description: Handles when buttons is selected. Captures the mouse */
/* movents (supported for windowless, via interfaces). */
/*************************************************************************/
LRESULT CMSMFBBtn::OnButtonDown(UINT, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
if (m_nEntry == BtnState::Disabled){
return 0;
}/* end of if statement */
LONG xPos = GET_X_LPARAM(lParam);
LONG yPos = GET_Y_LPARAM(lParam);
if(PtOnButton(xPos, yPos)){
// we are really on the buttons bitmap and we pushed it
if(BtnState::Hover != m_nEntry){
// in hover case we already have captured the mouse, so do not do
// that again
SetCapture(true); // capture the mouse messages
}/* end of if statement */
SetButtonState(BtnState::Push);
}/* end of if statement */
return 0;
}/* end of function OnButtonDown */
/*************************************************************************/
/* Function: OnButtonUp */
/* Description: Releases the capture, updates the button visual state, */
/* and if release on the buttons image fire the event. */
/*************************************************************************/
LRESULT CMSMFBBtn::OnButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
LONG lRes = 0;
if (m_nEntry == BtnState::Disabled){
ForwardWindowMessage(WM_USER_FOCUS, (WPARAM) m_hWnd, 0, lRes);
return lRes;
}/* end of if statement */
LONG xPos = GET_X_LPARAM(lParam);
LONG yPos = GET_Y_LPARAM(lParam);
bool bOnButtonImage = PtOnButton(xPos, yPos);
bool bFire = (m_nEntry == BtnState::Push);
if(bOnButtonImage){
SetButtonState(BtnState::Static); //change to static even
SetCapture(false); // release the capture of the mouse messages
}
else {
SetButtonState(BtnState::Static);
// do it only when we do not hower, if we hower, then keep the capture
SetCapture(false); // release the capture of the mouse messages
}/* end of if statement */
if (bFire){
if(bOnButtonImage){
Fire_OnClick();
}/* end of if statement */
}/* end of if statement */
ForwardWindowMessage(WM_USER_FOCUS, (WPARAM) m_hWnd, 0, lRes);
return lRes;
}/* end of function OnButtonUp */
/*************************************************************************/
/* Function: OnMouseMove */
/* Description: Check if we were captured/pushed the do not do much, */
/* otherwise do the hit detection and see if we are in static or hower */
/* state. */
/*************************************************************************/
LRESULT CMSMFBBtn::OnMouseMove(UINT, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
if (m_nEntry == BtnState::Disabled)
return 0;
LONG xPos = GET_X_LPARAM(lParam);
LONG yPos = GET_Y_LPARAM(lParam);
if (m_nEntry != BtnState::Push){
if(PtOnButton(xPos, yPos)){
if(BtnState::Hover != m_nEntry || S_OK != GetCapture()){
SetCapture(true); // capture the mouse messages
SetButtonState(BtnState::Hover);
}/* end of if statement */
}
else {
if(BtnState::Static != m_nEntry){
SetCapture(false); // release the capture of the mouse messages
SetButtonState(BtnState::Static);
}/* end of if statement */
}/* end of if statement */
}/* end of if statement */
return 0;
}/* end of function OnMouseMove */
/*************************************************************************/
/* Function: OnMouseToolTip */
/* Description: Check if we were captured/pushed the do not do much, */
/* otherwise do the hit detection and see if we are in static or hower */
/* state. */
/*************************************************************************/
LRESULT CMSMFBBtn::OnMouseToolTip(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
MSG mssg;
mssg.hwnd = GetWindow();
ATLASSERT(mssg.hwnd);
mssg.message = msg;
mssg.wParam = wParam;
mssg.lParam = lParam;
if (m_hWndTip)
::SendMessage(m_hWndTip, TTM_RELAYEVENT, 0, (LPARAM) &mssg);
bHandled = FALSE;
return 0;
}/* end of function OnMouseToolTip */
/*************************************************************************/
/* Function: OnSetFocus */
/* Description: If we are in disabled state SetFocus(false) */
/*************************************************************************/
LRESULT CMSMFBBtn::OnSetFocus(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
if (m_nEntry == BtnState::Disabled){
if(GetFocus() == S_OK){
SetFocus(false);
}/* end of if statement */
FireViewChange();
return(-1);
}/* end of if statement */
FireViewChange();
return 0;
}/* end of function OnSetFocus */
/*************************************************************************/
/* Function: OnKillFocus */
/* Description: If we are in disabled state SetFocus(false) */
/*************************************************************************/
LRESULT CMSMFBBtn::OnKillFocus(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
FireViewChange();
return 0;
}/* end of function OnKillFocus */
/*************************************************************************/
/* Function: PtOnButton */
/* Description: Uses helper to do the same. */
/*************************************************************************/
bool CMSMFBBtn::PtOnButton(LONG x, LONG y){
POINT pos = {x, y};
return(PtOnButton(pos));
}/* end of function PtOnButton */
/*************************************************************************/
/* Function: PtOnButton */
/* Description: Determines if the point is located on the button. */
/* TODO: Needs to be modified when we will handle transparent color. */
/*************************************************************************/
bool CMSMFBBtn::PtOnButton(POINT pos){
RECT rc;
bool bRet = false;
if(m_bWndLess){
rc = m_rcPos;
}
else {
if(!::IsWindow(m_hWnd)){
return(bRet);
}/* end of if statement */
::GetClientRect(m_hWnd, &rc);
}/* end of if statement */
bRet = PtInRect(&rc, pos) ? true : false;
//TODO: Add also if we are on bitmap itsels possibly
#ifdef _DEBUG
if(bRet)
ATLTRACE2(atlTraceWindowing, 20, TEXT("Point x = %d y = %d in Rect left = %d top %d right %d bottom %d\n"),
pos.x, pos.y, m_rcPos.left, m_rcPos.top, m_rcPos.right, m_rcPos.bottom);
else
ATLTRACE2(atlTraceWindowing, 20, TEXT("Point x = %d y = %d NOT ON RECT Rect left = %d top %d right %d bottom %d\n"),
pos.x, pos.y, m_rcPos.left, m_rcPos.top, m_rcPos.right, m_rcPos.bottom);
#endif
return(bRet);
}/* end of function PtOnButton */
/*************************************************************************/
/* Function: OnKeyDown */
/* Description: Depresses the button. */
/*************************************************************************/
LRESULT CMSMFBBtn::OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam,
BOOL& bHandled){
bHandled = FALSE;
LONG lRes = 0;
if (m_nEntry == BtnState::Disabled){
return 0;
}/* end of if statement */
switch(wParam){
case VK_RETURN:
case VK_SPACE:
SetButtonState(BtnState::Push);
break;
}/* end of if statement */
return(lRes);
}/* end of function OnKeyDown */
/*************************************************************************/
/* Function: OnKeyUp */
/* Description: Distrubutes the keyboard messages properly. */
/*************************************************************************/
LRESULT CMSMFBBtn::OnKeyUp(UINT uMsg, WPARAM wParam, LPARAM lParam,
BOOL& bHandled){
bHandled = FALSE;
LONG lRes = 0;
if (m_nEntry == BtnState::Disabled){
return 0;
}/* end of if statement */
switch(wParam){
case VK_RETURN:
case VK_SPACE:
Fire_OnClick();
SetButtonState(BtnState::Static);
break;
}/* end of if statement */
return(lRes);
}/* end of function OnKeyUp */
/*************************************************************************/
/* Function: OnSize */
/* Description: Invalidate region since size has changed */
/*************************************************************************/
LRESULT CMSMFBBtn::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam,
BOOL& bHandled){
bHandled = FALSE;
InvalidateRgn();
return 0;
}
/*************************************************************************/
/* Function: SetButtonState */
/* Description: Sets the button states forces redraw. */
/*************************************************************************/
HRESULT CMSMFBBtn::SetButtonState(BtnState btnState){
HRESULT hr = S_OK;
bool fRedraw = false;
if(btnState != m_nEntry ){
fRedraw = true;
}/* end of if statement */
m_nEntry = btnState;
if(fRedraw){
if (m_nEntry == BtnState::Disabled){
SetFocus(false); // disable the focus
SetCapture(false);
}/* end of if statement */
// we are updating image that is being used, refresh it
ATLTRACE2(atlTraceWindowing, 20, TEXT("Redrawing the image\n"));
m_fDirty = true; // to force an update of font color
FireViewChange(); // update the display
//InvalidateRgn(); // our helper function
}/* end of if statement */
return(hr);
}/* end of function SetButtonState */
/*************************************************************************/
/* Function: About */
/* Description: Displays the AboutBox */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::About(){
HRESULT hr = S_OK;
const INT ciMaxBuffSize = MAX_PATH; // enough for the text
TCHAR strBuffer[ciMaxBuffSize];
TCHAR strBufferAbout[ciMaxBuffSize];
if(!::LoadString(_Module.m_hInstResource, IDS_BTN_ABOUT, strBuffer, ciMaxBuffSize)){
hr = E_UNEXPECTED;
return(hr);
}/* end of if statement */
if(!::LoadString(_Module.m_hInstResource, IDS_ABOUT, strBufferAbout, ciMaxBuffSize)){
hr = E_UNEXPECTED;
return(hr);
}/* end of if statement */
::MessageBox(::GetFocus(), strBuffer, strBufferAbout, MB_OK);
return (hr);
}/* end of function About */
/*************************************************************/
/* Function: get_Disable */
/* Description: Returns OLE-BOOL if disabled or enabled. */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::get_Disable(VARIANT_BOOL *pVal){
*pVal = BtnState::Disabled == m_nEntry ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}/* end of function get_Disable */
/*************************************************************/
/* Function: put_Disable */
/* Description: Disable or enable the buttons (disabled */
/* are greyed out and do not except mouse clicks). */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::put_Disable(VARIANT_BOOL newVal){
// TODO: Right Now We Get Restored Automatically into Static state
// we could detect the mouse and see if we are in static
// or hower state
BtnState btnSt = VARIANT_FALSE == newVal ? BtnState::Static : BtnState::Disabled;
HRESULT hr = SetButtonState(btnSt);
return (hr);
}/* end of function put_Disable */
/*************************************************************/
/* Function: get_BtnState */
/* Description: Gets current button state. */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::get_BtnState(long *pVal){
*pVal = (long) m_nEntry;
return S_OK;
}/* end of function get_BtnState */
/*************************************************************/
/* Function: put_BtnState */
/* Description: Sets the button state manually. */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::put_BtnState(long newVal){
HRESULT hr = SetButtonState((BtnState)newVal);
return(hr);
}/* end of function put_BtnState */
/*************************************************************/
/* Name: get_ToolTip */
/* Description: create a tool tip for the button */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::get_ToolTip(BSTR *pVal){
*pVal = m_bstrToolTip.Copy();
return 0;
}/* end of function get_ToolTip */
/*************************************************************/
/* Name: put_ToolTip */
/* Description: create a tool tip for the button */
/* Cache the tooltip string if there is no window available */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::put_ToolTip(BSTR newVal){
m_bstrToolTip = newVal;
return CreateToolTip();
}
/*************************************************************/
/* Name: SetObjectRects */
/* Description: Update tooltip rect object is being moved */
/*************************************************************/
STDMETHODIMP CMSMFBBtn::SetObjectRects(LPCRECT prcPos,LPCRECT prcClip){
// Call the default method first
IOleInPlaceObjectWindowlessImpl<CMSMFBBtn>::SetObjectRects(prcPos, prcClip);
if (!m_hWndTip) return S_OK;
HWND hwnd = GetWindow();
if (!hwnd) return S_FALSE;
TOOLINFO ti; // tool information
ti.cbSize = sizeof(TOOLINFO);
ti.uFlags = 0;
ti.hwnd = hwnd;
ti.hinst = _Module.GetModuleInstance();
ti.uId = (UINT) 0;
ti.rect = *prcPos; // new tooltip position
if (!SendMessage(m_hWndTip, TTM_NEWTOOLRECT, 0,
(LPARAM) (LPTOOLINFO) &ti))
return S_FALSE;
return S_OK;
}/* end of function SetObjectRects */
/*************************************************************/
/* Name: OnPostVerbInPlaceActivate
/* Description: Overwrite IOleObjectImp::OnPostVerbInPlaceActivate
/* to actually create the tooltip for the button
/*************************************************************/
HRESULT CMSMFBBtn::OnPostVerbInPlaceActivate(){
// Return if tooltip is already created
if (m_bTTCreated) return S_OK;
HRESULT hr = CreateToolTip();
if (SUCCEEDED(hr))
m_bTTCreated = TRUE;
return hr;
}/* end of function OnPostVerbInPlaceActivate */
/*************************************************************/
/* Name: CreateToolTip
/* Description: create a tool tip for the button
/*************************************************************/
HRESULT CMSMFBBtn::CreateToolTip(void){
HWND hwnd = GetWindow();
if (!hwnd) return S_FALSE;
USES_CONVERSION;
// If tool tip is to be created for the first time
if (m_hWndTip == (HWND) NULL) {
// Ensure that the common control DLL is loaded, and create
// a tooltip control.
InitCommonControls();
m_hWndTip = CreateWindow(TOOLTIPS_CLASS, (LPCTSTR) NULL, TTS_ALWAYSTIP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hwnd, (HMENU) NULL, _Module.GetModuleInstance(), NULL);
}
if (m_hWndTip == (HWND) NULL)
return S_FALSE;
TOOLINFO ti; // tool information
ti.cbSize = sizeof(TOOLINFO);
ti.uFlags = 0;
ti.hwnd = hwnd;
ti.hinst = _Module.GetModuleInstance();
ti.uId = (UINT) 0;
ti.lpszText = OLE2T(m_bstrToolTip);
// if the button is a windowed control, the tool tip is added to
// the button's own window, and the tool tip area should just be
// the client rect of the window
if (hwnd == m_hWnd)
::GetClientRect(hwnd, &ti.rect);
// otherwise the tool tip is added to the closet windowed parent of
// the button, and the tool tip area should be the relative postion
// of the button in the parent window
else {
ti.rect.left = m_rcPos.left;
ti.rect.top = m_rcPos.top;
ti.rect.right = m_rcPos.right;
ti.rect.bottom = m_rcPos.bottom;
}
if (!SendMessage(m_hWndTip, TTM_ADDTOOL, 0,
(LPARAM) (LPTOOLINFO) &ti))
return S_FALSE;
// Set initial delay time
put_ToolTipMaxWidth(m_nTTMaxWidth);
SetDelayTime(TTDT_AUTOPOP, 10000);
SetDelayTime(TTDT_INITIAL, 10);
return S_OK;
}/* end of function CreateToolTip */
/*************************************************************/
/* Name: GetDelayTime
/* Description: Get the length of time a pointer must remain
/* stationary within a tool's bounding rectangle before the
/* tooltip window appears
/* delayTypes: TTDT_RESHOW 1
/* TTDT_AUTOPOP 2
/* TTDT_INITIAL 3
/*************************************************************/
STDMETHODIMP CMSMFBBtn::GetDelayTime(long delayType, long *pVal){
if (delayType>TTDT_INITIAL || delayType<TTDT_RESHOW)
return S_FALSE;
if (m_hWndTip)
*pVal = SendMessage(m_hWndTip, TTM_GETDELAYTIME,
(WPARAM) (DWORD) delayType, 0);
return S_OK;
}/* end of function GetDelayTime */
/*************************************************************/
/* Name: SetDelayTime
/* Description: Set the length of time a pointer must remain
/* stationary within a tool's bounding rectangle before the
/* tooltip window appears
/* delayTypes: TTDT_AUTOMATIC 0
/* TTDT_RESHOW 1
/* TTDT_AUTOPOP 2
/* TTDT_INITIAL 3
/*************************************************************/
STDMETHODIMP CMSMFBBtn::SetDelayTime(long delayType, long newVal){
if (delayType>TTDT_INITIAL || delayType<TTDT_AUTOMATIC)
return S_FALSE;
if (m_hWndTip) {
if (!SendMessage(m_hWndTip, TTM_SETDELAYTIME,
(WPARAM) (DWORD) delayType,
(LPARAM) (INT) newVal))
return S_FALSE;
}
return S_OK;
}/* end of function SetDelayTime */
/*************************************************************************/
/* Function: get_ToolTipMaxWidth */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::get_ToolTipMaxWidth(long *pVal){
if (m_hWndTip){
*pVal = ::SendMessage(m_hWndTip, TTM_GETMAXTIPWIDTH, 0, 0);
}/* end of if statement */
return S_OK;
}/* end of function get_ToolTipMaxWidth */
/*************************************************************************/
/* Function: put_ToolTipMaxWidth */
/*************************************************************************/
STDMETHODIMP CMSMFBBtn::put_ToolTipMaxWidth(long newVal){
m_nTTMaxWidth = newVal;
if (m_hWndTip){
::SendMessage(m_hWndTip, TTM_SETMAXTIPWIDTH, 0, (LPARAM)(INT) newVal);
}/* end of if statement */
return S_OK;
}/* end of function put_ToolTipMaxWidth */
/*************************************************************************/
/* End of file: MSMFBBtn.cpp */
/*************************************************************************/
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