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wfxDispatch.cpp
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wfxDispatch.cpp
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// This is a part of the Widget Foundation Classes.
// Copyright (C) Hirota Studio (www.hirotastudio.com)
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Widget Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Widget Foundation Classes product.
//
#include "stdafx.h"
#include "wfxwidget.h"
#include "wfxrender.h"
USING_NAMESPACE_WFX;
TimerKey::TimerKey()
: m_hWid(INVALID_HWID)
, m_pWid(NULL)
{
}
TimerKey::TimerKey( HWID hWid, Widget* pWid )
: m_hWid(hWid)
, m_pWid(pWid)
{
}
bool TimerKey::operator()( const TimerKey& key1, const TimerKey& key2 ) const
{
if (key1.m_hWid < key2.m_hWid)
return true;
else if (key1.m_hWid > key2.m_hWid)
return false;
else if (key1.m_pWid < key2.m_pWid )
return true;
else
return false;
}
bool TimerKey::operator<( const TimerKey& key ) const
{
if (m_hWid < key.m_hWid)
{
return true;
}
if (m_hWid > key.m_hWid)
{
return false;
}
if (m_pWid < key.m_pWid)
{
return true;
}
if (m_pWid > key.m_pWid)
{
return false;
}
return false;
}
bool TimerKey::operator==( const TimerKey& key ) const
{
return (m_hWid == key.m_hWid) && (m_pWid == key.m_pWid);
}
bool TimerKey::operator!=( const TimerKey& key ) const
{
return !operator==(key);
}
TimerTranslator::TimerTranslator()
: m_nTimerBase(0)
{
}
BOOL TimerTranslator::WidTimerToWndTimer( Widget* pWid, UINT_PTR nWidTimer, UINT_PTR& nWndTimer )
{
WFX_CONDITION(pWid != NULL);
TimerKey tmk(pWid->getHwid(), pWid);
std::map<TimerKey, Timer2Timer>::iterator itWidtoWnd = m_WidToWnd.find(tmk);
if (itWidtoWnd != m_WidToWnd.end())
{
Timer2Timer::iterator itTimer2Timer = itWidtoWnd->second.find(nWidTimer);
if (itTimer2Timer != itWidtoWnd->second.end())
{
nWndTimer = itTimer2Timer->second;
}
else
{
nWndTimer = generateWndTimer();
itWidtoWnd->second.insert(std::make_pair(nWidTimer, nWndTimer));
}
}
else
{
Timer2Timer t2t;
nWndTimer = generateWndTimer();
t2t.insert(std::make_pair(nWidTimer, nWndTimer));
m_WidToWnd.insert(std::make_pair(tmk, t2t));
}
TimerValue tv(tmk, nWidTimer);
std::map<UINT_PTR, TimerValue>::iterator itWndToWid = m_WndToWid.find(nWndTimer);
if (itWndToWid != m_WndToWid.end())
{
itWndToWid->second = tv;
}
else
{
m_WndToWid.insert(std::make_pair(nWndTimer, tv));
}
return TRUE;
}
BOOL TimerTranslator::WndTimerToWidTimer( UINT_PTR nWndTimer, Widget*& pWid, UINT_PTR& nWidTimer )
{
std::map<UINT_PTR, TimerValue>::iterator itWndToWid = m_WndToWid.find(nWndTimer);
if (itWndToWid != m_WndToWid.end())
{
pWid = itWndToWid->second.m_tk.m_pWid;
nWidTimer = itWndToWid->second.m_nWidTimer;
return TRUE;
}
return FALSE;
}
BOOL TimerTranslator::removeWidTimer( Widget* pWid, UINT_PTR nWidTimer )
{
UINT_PTR nWndTimer = 0;
WFX_CONDITION(pWid != NULL);
TimerKey tmk(pWid->getHwid(), pWid);
std::map<TimerKey, Timer2Timer>::iterator itWidtoWnd = m_WidToWnd.find(tmk);
if (itWidtoWnd != m_WidToWnd.end())
{
Timer2Timer::iterator itTimer2Timer = itWidtoWnd->second.find(nWidTimer);
if (itTimer2Timer != itWidtoWnd->second.end())
{
itWidtoWnd->second.erase(itTimer2Timer);
}
}
std::map<UINT_PTR, TimerValue>::iterator itWndToWid = m_WndToWid.find(nWndTimer);
if (itWndToWid != m_WndToWid.end())
{
m_WndToWid.erase(itWndToWid);
}
recycleWndTimer(nWndTimer);
return TRUE;
}
BOOL TimerTranslator::removeAllWidTimer( Widget* pWid, std::vector<UINT_PTR>& rgWndTimer )
{
rgWndTimer.clear();
UINT_PTR nWndTimer = 0;
WFX_CONDITION(pWid != NULL);
TimerKey tmk(pWid->getHwid(), pWid);
std::map<TimerKey, Timer2Timer>::iterator itWidtoWnd = m_WidToWnd.find(tmk);
if (itWidtoWnd != m_WidToWnd.end())
{
for (Timer2Timer::iterator itT2T = itWidtoWnd->second.begin();
itT2T != itWidtoWnd->second.end(); ++itT2T)
{
std::map<UINT_PTR, TimerValue>::iterator itWndToWid = m_WndToWid.find(itT2T->second);
if (itWndToWid != m_WndToWid.end())
{
m_WndToWid.erase(itWndToWid);
}
rgWndTimer.push_back(itT2T->second);
}
m_WidToWnd.erase(itWidtoWnd);
}
return TRUE;
}
UINT_PTR TimerTranslator::generateWndTimer()
{
return ++m_nTimerBase;
}
BOOL TimerTranslator::recycleWndTimer(UINT_PTR nWndTimer)
{
return TRUE;
}
///////////////////////////*** a gorgeous partition line ***/////////////////////////////
Timer::Timer( Dispatcher* pDispatch )
: m_pDispatch(pDispatch)
, m_pTimerTranslator(new TimerTranslator)
{
}
UINT_PTR Timer::setTimer( Widget* pWid,
UINT_PTR nWidTimer, UINT uElapse,
TIMERPROC lpTimerFunc )
{
WFX_CONDITION(m_pDispatch != NULL);
WFX_CONDITION(pWid != NULL);
WFX_CONDITION(uElapse > 0);
UINT_PTR nWndTimer = 0;
if (!m_pTimerTranslator->WidTimerToWndTimer(pWid, nWidTimer, nWndTimer))
{
return 0;
}
return ::SetTimer(m_pDispatch->getHwnd(), nWndTimer, uElapse, lpTimerFunc);
}
BOOL Timer::killTimer( Widget* pWid, UINT_PTR nWidTimer )
{
WFX_CONDITION(m_pDispatch != NULL);
WFX_CONDITION(pWid!=NULL);
UINT_PTR nWndTimer = 0;
if (!m_pTimerTranslator->WidTimerToWndTimer(pWid, nWidTimer, nWndTimer))
{
return FALSE;
}
BOOL bRet = ::KillTimer(m_pDispatch->getHwnd(), nWndTimer);
m_pTimerTranslator->removeWidTimer(pWid, nWidTimer);
return bRet;
}
BOOL Timer::getWidgetFromTimer( UINT_PTR nWndTimer, Widget*& pWid, UINT_PTR& nWidTimer )
{
if (m_pTimerTranslator->WndTimerToWidTimer(nWndTimer, pWid, nWidTimer))
{
return TRUE;
}
return FALSE;
}
void Timer::destroy( Widget* pWid )
{
std::vector<UINT_PTR> rgWndTimer;
m_pTimerTranslator->removeAllWidTimer(pWid, rgWndTimer);
for (ULONG i = 0; i < rgWndTimer.size(); i++)
{
::KillTimer(m_pDispatch->getHwnd(), rgWndTimer[i]);
}
}
HWID Dispatcher::s_hWidBase = INVALID_HWID;
std::vector<Dispatcher*> Dispatcher::s_rgpDispatch;
HINSTANCE Dispatcher::s_hInstance = NULL;
HWND Dispatcher::s_hMainWnd = NULL;
int Dispatcher::s_nAlpha = 255;
short Dispatcher::s_nL = 180;
short Dispatcher::s_nS = 100;
short Dispatcher::s_nH = 100;
Dispatcher::Dispatcher( HWND hWnd /*= NULL*/ )
: m_hWnd(hWnd)
, m_pToolTipWnd(new ToolTipWnd)
{
clearH2O(m_h2oLastMouseMove);
clearH2O(m_h2oCaptured);
clearH2O(m_h2oFocused);
clearH2O(m_h2oLButtonDown);
m_pTimer.reset(new Timer(this));
s_rgpDispatch.push_back(this);
m_bMouseTracking = FALSE;
}
Dispatcher::~Dispatcher()
{
std::vector<Dispatcher*>::iterator
it = std::find(s_rgpDispatch.begin(), s_rgpDispatch.end(), this);
if (it != s_rgpDispatch.end())
{
s_rgpDispatch.erase(it);
}
}
void Dispatcher::setHwnd( HWND hWnd )
{
m_hWnd = hWnd;
}
HWND Dispatcher::getHwnd() const
{
return m_hWnd;
}
BOOL Dispatcher::createWid( Widget* pThis )
{
WFX_CONDITION(pThis != NULL);
WFX_CONDITION(pThis->getHwid() == INVALID_HWID);
if (pThis->getHwid() != INVALID_HWID)
{
return FALSE;
}
HWID hNewWid = generateHwid();
WFX_CONDITION(hNewWid != INVALID_HWID);
pThis->setHwid(hNewWid);
WFX_CONDITION(m_Handle2Object.find(hNewWid) == m_Handle2Object.end());
m_Handle2Object.insert(std::make_pair(hNewWid, pThis));
return TRUE;
}
BOOL Dispatcher::destroy( HWID& hWid )
{
std::map<HWID, Widget*>::iterator it =
m_Handle2Object.find(hWid);
if (it == m_Handle2Object.end())
{
return FALSE;
}
Widget* pWid = it->second;
WFX_CONDITION(pWid != NULL);
Widget* pParent = pWid->getParent();
if (pParent != NULL)
{
pParent->removeChild(pWid);
}
m_Handle2Object.erase(it);
std::map<HWID, Widget*>::iterator itPaint =
m_h2oOrphan.find(hWid);
if (itPaint != m_h2oOrphan.end())
{
m_h2oOrphan.erase(itPaint);
}
if (m_h2oCaptured.first == hWid)
{
clearH2O(m_h2oCaptured);
}
m_pTimer->destroy(pWid);
recycleHwid(hWid);
return TRUE;
}
HWID Dispatcher::generateHwid()
{
return ++s_hWidBase;
}
void Dispatcher::recycleHwid( HWID& hWid )
{
hWid = INVALID_HWID;
}
void Dispatcher::drawWid( Widget* pWid, const Rect& rcPaint )
{
WFX_CONDITION(m_hWnd != NULL);
WFX_CONDITION(pWid != NULL);
if (!pWid->isShow())
{
return;
}
__begin_mem_draw
WfxRender::MemDC drawdc(m_hWnd, rcPaint);
drawBkgnd(pWid, drawdc, rcPaint);
drawGen(pWid, drawdc, rcPaint);
__end_mem_draw;
}
void Dispatcher::drawGen( Widget* pWid, HDC hdc, const Rect& rcPaint)
{
WFX_CONDITION(pWid != NULL);
Rect rcTemp;
Rect rcItem = pWid->getRect();
if (!::IntersectRect(&rcTemp, &rcPaint, &rcItem))
return;
if (!pWid->isShow())
return;
WfxRender::RenderClip clip(hdc, rcItem);
pWid->onDraw(hdc, rcPaint);
WfxRender::drawFrame(hdc, rcItem, WBTN_BKGND_MOUSE);
std::vector<Widget*> rgpChildren;
pWid->getChildren(rgpChildren);
for (std::vector<Widget*>::iterator it =
rgpChildren.begin(); it != rgpChildren.end(); ++it)
{
WFX_CONDITION((*it) != NULL);
if (!::IntersectRect(&rcTemp, &rcItem, &(*it)->getRect()))
continue;
drawGen((*it), hdc, rcPaint);
}
}
LRESULT Dispatcher::handleMessage( UINT uMsg, WPARAM wParam, LPARAM lParam )
{
LRESULT lResult = 1;
Point pt(lParam);
Widget* pWid = NULL;
if (uMsg != WM_PAINT
&& uMsg != WM_TIMER
&& uMsg != WM_LBUTTONUP)
{
pWid = getObject(m_h2oCaptured);
if (pWid != NULL)
{
lResult = pWid->sendMessage(uMsg, wParam, lParam);
return lResult;
}
}
processMessage(uMsg, wParam, lParam, lResult, 0);
return lResult;
}
LRESULT Dispatcher::onEraseBkgnd( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
return 1;
}
LRESULT Dispatcher::onPaint( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Rect rcPaint;
if( !::GetUpdateRect(m_hWnd, &rcPaint, FALSE) )
return 1;
PAINTSTRUCT ps;
::BeginPaint(m_hWnd, &ps);
onPaint(ps.rcPaint);
::EndPaint(m_hWnd, &ps);
return 1;
}
LRESULT Dispatcher::onMouseMove( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
if (!m_bMouseTracking)
{
TRACKMOUSEEVENT tme = { 0 };
tme.cbSize = sizeof(TRACKMOUSEEVENT);
tme.dwFlags = TME_HOVER | TME_LEAVE;
tme.hwndTrack = m_hWnd;
tme.dwHoverTime = 500;
_TrackMouseEvent(&tme);
m_bMouseTracking = TRUE;
}
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
pWid = getWidPt(pt);
if (pWid == NULL)
{
pWid = getObject(m_h2oLastMouseMove);
if (pWid != NULL)
{
pWid->sendMessage(WM_MOUSELEAVE);
clearH2O(m_h2oLastMouseMove);
}
}
else
{
HWID hWidNowMouse = pWid->getHwid();
if (m_h2oLastMouseMove.first != hWidNowMouse)
{
Widget* pLastMouse = getObject(m_h2oLastMouseMove);
if (pLastMouse != NULL)
{
pLastMouse->sendMessage(WM_MOUSELEAVE);
}
m_pToolTipWnd->endToolTip();
setMouseMoveH2O(std::make_pair(hWidNowMouse, pWid));
}
lResult = pWid->sendMessage(WM_MOUSEMOVE, wParam, lParam);
}
return lResult;
}
LRESULT Dispatcher::onMouseLeave( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
m_bMouseTracking = FALSE;
LRESULT lResult = 0;
Widget* pWid = getObject(m_h2oLastMouseMove);
if (pWid != NULL)
{
lResult = pWid->sendMessage(uMsg, wParam, lParam);
}
clearH2O(m_h2oLastMouseMove);
m_pToolTipWnd->endToolTip();
return lResult;
}
LRESULT Dispatcher::onMouseHOver( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
m_bMouseTracking = FALSE;
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
pWid = getWidPt(pt);
if (pWid != NULL)
{
String strTootip;
pWid->getToolTip(strTootip);
lResult = pWid->sendMessage(uMsg, wParam, lParam);
m_pToolTipWnd->doToolTip(getHwnd(), pWid->getRect(), strTootip);
}
return lResult;
}
LRESULT Dispatcher::onNotify( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
LRESULT lResult = 0;
LPNMHDR lpNMHDR = (LPNMHDR) lParam;
if( lpNMHDR != NULL ) lResult = ::SendMessageW(lpNMHDR->hwndFrom, OCM__BASE + uMsg, wParam, lParam);
return lResult;
}
LRESULT Dispatcher::onKillFocus( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
m_bMouseTracking = FALSE;
return 1;
}
LRESULT Dispatcher::onLButtonDown( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
WFX_CONDITION(m_hWnd != NULL);
::SetFocus(m_hWnd);
pWid = getWidPt(pt);
if (pWid != NULL)
{
if (pWid->getHwid() != m_h2oFocused.first
&& pWid != m_h2oFocused.second)
{
if (m_h2oFocused.second != NULL)
{
m_h2oFocused.second->sendMessage(WM_KILLFOCUS, (WPARAM)pWid->getHwid());
}
}
pWid->sendMessage(WM_SETFOCUS, (WPARAM)m_h2oFocused.first);
setCapture(pWid);
setFocus(pWid);
setLButtonDown(pWid);
lResult = pWid->sendMessage(uMsg, wParam, lParam);
}
else
{
if (m_h2oFocused.second != NULL)
{
m_h2oFocused.second->sendMessage(WM_KILLFOCUS, INVALID_HWID);
}
}
return lResult;
}
LRESULT Dispatcher::onLButtonUp( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
pWid = getObject(m_h2oCaptured);
if (pWid == NULL)
{
pWid = getWidPt(pt);
}
if (m_h2oCaptured.first != INVALID_HWID)
{
releaseCapture();
clearH2O(m_h2oCaptured);
}
if (pWid != NULL)
{
lResult = pWid->sendMessage(uMsg, wParam, lParam);
Widget* pLastMM = getObject(m_h2oLastMouseMove);
if (pLastMM != NULL)
{
pLastMM->sendMessage(WM_MOUSELEAVE);
}
clearH2O(m_h2oLastMouseMove);
}
pWid = getWidPt(pt);
if (pWid != NULL
&& pWid->isShow()
&& m_h2oLButtonDown.first == pWid->getHwid()
&& m_h2oLButtonDown.second == pWid)
{
pWid->sendMessage(WUM_LBUTTONCLICK, wParam, lParam);
}
clearH2O(m_h2oLButtonDown);
return lResult;
}
LRESULT Dispatcher::onKeyDown( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
pWid = getObject(m_h2oFocused);
if (pWid != NULL)
{
lResult = pWid->sendMessage(uMsg, wParam, lParam);
}
return lResult;
}
LRESULT Dispatcher::onMouseWheel( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
pWid = getObject(m_h2oFocused);
if (pWid != NULL)
{
lResult = pWid->sendMessage(uMsg, wParam, lParam);
}
return lResult;
}
LRESULT Dispatcher::onCommand( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
if (lParam == 0)
{
return lResult;
}
HWND hWndChild = (HWND)lParam;
lResult = ::SendMessageW(hWndChild, OCM__BASE + uMsg, wParam, lParam);
return lResult;
}
LRESULT Dispatcher::onTimer( UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled )
{
Point pt(lParam);
Widget* pWid = NULL;
LRESULT lResult = 0;
UINT_PTR nWidTimer = 0;
if (getWidgetFromTimer(wParam, pWid, nWidTimer))
{
lResult = pWid->sendMessage(WM_TIMER, nWidTimer);
}
return lResult;
}
Widget* Dispatcher::getWidPt( const Point& pt )
{
//Widget* pWid = NULL;
//std::vector<Widget*> rgpWidInPt;
//for (std::map<HWID, Widget*>::iterator it = m_Handle2Object.begin();
// it != m_Handle2Object.end(); ++it)
//{
// WFX_CONDITION(it->second != NULL);
// if (!it->second->isShow())
// {
// continue;
// }
// Rect rcWid = it->second->getRect();
// if (rcWid.PtInRect(pt))
// {
// rgpWidInPt.push_back(it->second);
// }
//}
//if (rgpWidInPt.size() > 0)
//{
// ///TRACE(L"%d", rgpWidInPt.size());
// //WFX_CONDITION(rgpWidInPt.size() != 4);
// if (rgpWidInPt.size() != 1)
// {
// pWid = getWidPt(rgpWidInPt);
// }
// else
// {
// pWid = rgpWidInPt[0];
// }
//}
//return pWid;
Widget* pWidget = NULL;
for (std::map<HWID, Widget*>::iterator it = m_h2oOrphan.begin();
it != m_h2oOrphan.end(); ++it)
{
WFX_CONDITION(it->second != NULL);
pWidget = getWidPt(it->second, pt);
if (pWidget != NULL)
{
break;
}
}
return pWidget;
}
Widget* Dispatcher::getWidPt(Widget* pWidget, const Point& pt)
{
WFX_CONDITION(pWidget != NULL);
Widget* pWigetFound = NULL;
if (pWidget->getRect().PtInRect(pt))
{
if (!pWidget->hasChild())
{
return pWidget;
}
std::vector<Widget*> rgpChildren;
pWidget->getChildren(rgpChildren);
for (std::vector<Widget*>::iterator it =
rgpChildren.begin(); it != rgpChildren.end(); ++it)
{
WFX_CONDITION((*it) != NULL);
pWigetFound = getWidPt((*it), pt);
if (pWigetFound != NULL)
{
return pWigetFound;
}
}
if (pWigetFound == NULL)
{
return pWidget;
}
}
return NULL;
}
Widget* Dispatcher::getWidPt(const std::vector<Widget*>& rgpWid)
{
Widget* pWid = NULL;
std::vector<Widget*>::const_iterator it = rgpWid.begin();
if (it != rgpWid.end())
{
pWid = *it;
WFX_CONDITION(pWid != NULL);
Rect rcWid = pWid->getRect();
float fArea = (rcWid.right - rcWid.left) * (rcWid.bottom - rcWid.top);
float fMinArea = fArea;
for (; it != rgpWid.end(); ++it)
{
rcWid = pWid->getRect();
fArea = (rcWid.right - rcWid.left) * (rcWid.bottom - rcWid.top);
if (fArea < fMinArea)
{
fMinArea = fArea;
}
pWid = (*it);
}
}
return pWid;
}
HINSTANCE Dispatcher::getInstance()
{
return s_hInstance;
}
void Dispatcher::setInstance( HINSTANCE hInstance )
{
s_hInstance = hInstance;
}
HWND Dispatcher::getMainWnd()
{
return s_hMainWnd;
}
void Dispatcher::setMainWnd( HWND hMainWnd )
{
s_hMainWnd = hMainWnd;
}
BOOL Dispatcher::setParent( Widget* pThis, Widget* pParent )
{
WFX_CONDITION(pThis != NULL);
if (pParent == NULL)
{
HWID hWid = pThis->getHwid();
std::map<HWID, Widget*>::iterator it =
m_h2oOrphan.find(hWid);
if (it == m_h2oOrphan.end())
{
m_h2oOrphan.insert(std::make_pair(hWid, pThis));
}
return FALSE;
}
ULONG nChilren = pParent->getChildren();
if (pParent->addChild(pThis) != nChilren + 1)
{
return FALSE;
}
pThis->setMyParent(pParent);
return TRUE;
}
Widget* Dispatcher::fromHwid( HWID hWid ) const
{
std::map<HWID, Widget*>::const_iterator it =
m_Handle2Object.find(hWid);
if (it != m_Handle2Object.end())
{
return it->second;
}
return NULL;
}
int Dispatcher::messageLoop()
{
MSG msg = {0};
while (::GetMessage(&msg, NULL, 0, 0))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
return (int) msg.wParam;
}
void Dispatcher::getHSL( short& nH, short& nS, short& nL )
{
nH = s_nH;
nS = s_nS;
nL = s_nL;
}
void Dispatcher::setHSL( short nH, short nS, short nL )
{
s_nH = nH;
s_nS = nS;
s_nL = nL;
}
int Dispatcher::getAlpha()
{
return s_nAlpha;
}
void Dispatcher::setAlpha( int nAlpha )
{
if (nAlpha < 0)
{
nAlpha = 0;
}
if (nAlpha > 255)
{
nAlpha = 255;
}
s_nAlpha = nAlpha;
HWND hWnd = NULL;
for (std::vector<Dispatcher*>::iterator it = s_rgpDispatch.begin();
it != s_rgpDispatch.end(); ++it)
{
WFX_CONDITION((*it) != NULL);
hWnd = (*it)->getHwnd();
setAlpha(s_nAlpha, hWnd);
}
}
void Dispatcher::setAlpha( int nAlpha, HWND hWnd )
{
if (!::IsWindow(hWnd))
{
return;
}
typedef BOOL (__stdcall *PFUNCSETLAYEREDWINDOWATTR)(HWND, COLORREF, BYTE, DWORD);
PFUNCSETLAYEREDWINDOWATTR fsetLayeredWindowAttributes;
HMODULE hUser32 = ::GetModuleHandleW(L"User32.dll");
if (hUser32)
{
fsetLayeredWindowAttributes =
(PFUNCSETLAYEREDWINDOWATTR)::GetProcAddress(hUser32, "SetLayeredWindowAttributes");
if( fsetLayeredWindowAttributes == NULL ) return;
}
DWORD dwStyle = ::GetWindowLongW(hWnd, GWL_EXSTYLE);
DWORD dwNewStyle = dwStyle;
if( nAlpha >= 0 && nAlpha < 256 ) dwNewStyle |= WS_EX_LAYERED;
else dwNewStyle &= ~WS_EX_LAYERED;
if(dwStyle != dwNewStyle) ::SetWindowLongW(hWnd, GWL_EXSTYLE, dwNewStyle);
fsetLayeredWindowAttributes(hWnd, 0, nAlpha, LWA_ALPHA);
}
void Dispatcher::onPaint(const Rect& rcPaint)
{
// Note: only orphans need to handle WM_PAINT message,
// parents will handle it for their children.
for (std::map<HWID, Widget*>::iterator it = m_h2oOrphan.begin();
it != m_h2oOrphan.end(); ++it)
{
WFX_CONDITION(it->second != NULL);
drawWid(it->second, rcPaint);
}
}
void Dispatcher::showWid( Widget* pWid, WORD wShow )
{
WFX_CONDITION(pWid != NULL);
pWid->doshowWid(wShow);
std::vector<Widget*> rgpChilren;
pWid->getChildren(rgpChilren);
for (std::vector<Widget*>::iterator it =
rgpChilren.begin(); it != rgpChilren.end(); ++it)
{
showWid((*it), wShow);
}
}
void Dispatcher::setCapture( Widget* pWid )
{
WFX_CONDITION(m_hWnd != NULL);
WFX_CONDITION(pWid != NULL);
WFX_CONDITION(*pWid != INVALID_HWID);
m_h2oCaptured = std::make_pair(pWid->getHwid(), pWid);
::SetCapture(m_hWnd);
}
BOOL Dispatcher::isCaptured( const Widget* pWid ) const
{
WFX_CONDITION(pWid != NULL);
return (pWid == m_h2oCaptured.second) && (pWid->getHwid() == m_h2oCaptured.first);
}
void Dispatcher::setFocus(Widget* pWid)
{
WFX_CONDITION(m_hWnd != NULL);
WFX_CONDITION(pWid != NULL);
WFX_CONDITION(*pWid != INVALID_HWID);
m_h2oFocused = std::make_pair(pWid->getHwid(), pWid);
}
void Dispatcher::setLButtonDown(Widget* pWid)
{
WFX_CONDITION(m_hWnd != NULL);
WFX_CONDITION(pWid != NULL);
WFX_CONDITION(*pWid != INVALID_HWID);
m_h2oLButtonDown = std::make_pair(pWid->getHwid(), pWid);
}
void Dispatcher::releaseCapture()
{
clearH2O(m_h2oCaptured);
::ReleaseCapture();
}
BOOL Dispatcher::isWidget( const Widget* pWidget ) const
{
if (this == NULL)
{
return FALSE;
}
if (pWidget == NULL)
{
return FALSE;
}
if (pWidget->getHwid() == INVALID_HWID)
{
return FALSE;
}
return TRUE;
}
void Dispatcher::clearH2O( std::pair<HWID, Widget*>& h2o )
{
h2o.first = INVALID_HWID;
h2o.second = NULL;
}
Widget* Dispatcher::getObject( const std::pair<HWID, Widget*>& h2o )
{
if (h2o.first != INVALID_HWID)
{
WFX_CONDITION(h2o.second != NULL);
return h2o.second;
}
return NULL;
}
void Dispatcher::setMouseMoveH2O( const std::pair<HWID, Widget*>& h2o )
{
m_h2oLastMouseMove.first = h2o.first;
m_h2oLastMouseMove.second = h2o.second;
}
void Dispatcher::setCapturedH2O( const std::pair<HWID, Widget*>& h2o )
{
m_h2oCaptured.first = h2o.first;
m_h2oCaptured.second = h2o.second;
}
void Dispatcher::enableScrollBar( Widget* pWid, UINT uBarFlag, BOOL bEnable /*= TRUE*/ )
{
WFX_CONDITION(pWid != NULL);
Rect rcWid = pWid->getRect();
Rect rcSB;
Size szVirtual = pWid->getVirtualSize();
if (uBarFlag == WESB_BOTH)
{
if (bEnable)
{
ScrollBar* pBar = pWid->getScrollBar(SB_VERT);
if (pBar == NULL)
{
pBar = new ScrollBar(SB_VERT);
pBar->setRange(0, szVirtual.cy);
rcSB = pWid->getScrollBarRect(SB_VERT);
pBar->create(rcSB, pWid);
pWid->setScrollBar(SB_VERT, pBar);