1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/ROOTWIN.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,290 @@
1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Root window sub-class of CWsWindow
1.18 +//
1.19 +//
1.20 +
1.21 +#include <e32std.h>
1.22 +#include "server.h"
1.23 +#include "rootwin.h"
1.24 +#include "windowgroup.h"
1.25 +#include "walkwindowtree.h"
1.26 +#include "wstop.h"
1.27 +#include "ScrDev.H"
1.28 +#include "panics.h"
1.29 +#include "inifile.h"
1.30 +#include "EVENT.H"
1.31 +
1.32 +_LIT(KNoBlank,"NOBLANKSCREEN");
1.33 +_LIT(KDefaultBackgroundColor,"BACKGROUNDCOLOR");
1.34 +_LIT(KDefaultBackgroundAlpha,"BACKGROUNDALPHA");
1.35 +_LIT(KRootWinDefaultBackgroundColor,"ROOTBACKGROUNDCOLOR");
1.36 +_LIT(KRootWinDefaultBackgroundAlpha,"ROOTBACKGROUNDALPHA");
1.37 +
1.38 +CWsRootWindow::CWsRootWindow(CWsClient* aOwner, CScreen* aScreen) : CWsWindow(aOwner,WS_HANDLE_ROOT_WINDOW,aScreen)
1.39 + {
1.40 + iWinType=EWinTypeRoot;
1.41 + }
1.42 +
1.43 +CWsRootWindow::~CWsRootWindow()
1.44 + {
1.45 + Shutdown();
1.46 + }
1.47 +
1.48 +void CWsRootWindow::ConstructL()
1.49 + {
1.50 + CWsWindow::Construct();
1.51 + iParent=NULL;
1.52 + iSibling=NULL;
1.53 + iChild=NULL;
1.54 + iClientHandle=NULL;
1.55 + iAbs.Resize(iScreen->ScreenDevice()->SizeInPixels());
1.56 + iRel=iAbs;
1.57 + iFlags=EFlagPointerCaptured;
1.58 + iPointerFilter=EPointerFilterEnterExit|EPointerFilterMove|EPointerFilterDrag;
1.59 + iArea.AddRect(iAbs);
1.60 + iRedraw=new(ELeave) CWsBlankWindow(this);
1.61 + iRedraw->ConstructL();
1.62 + TInt backgroundcolor;
1.63 + if(!WsIniFile->FindVar(KDefaultBackgroundColor,backgroundcolor))
1.64 + backgroundcolor = KRgbWhite.Value();
1.65 + TInt backgroundalpha;
1.66 + if(!WsIniFile->FindVar(KDefaultBackgroundAlpha,backgroundalpha))
1.67 + backgroundalpha = 0xFF;
1.68 + iDefaultBackgroundColor = TRgb(backgroundcolor,backgroundalpha);
1.69 +
1.70 + if (WsIniFile->FindVar(KNoBlank))
1.71 + {
1.72 + BlankRedraw()->SetBackgroundClear();
1.73 + }
1.74 + else
1.75 + {
1.76 + TInt rootAlpha;
1.77 + TInt rootColor;
1.78 + if (!WsIniFile->FindVar(KRootWinDefaultBackgroundColor,rootColor))
1.79 + rootColor = backgroundcolor;
1.80 + if (!WsIniFile->FindVar(KRootWinDefaultBackgroundAlpha,rootAlpha))
1.81 + rootAlpha = backgroundalpha;
1.82 + SetColor(TRgb(rootColor,rootAlpha));
1.83 + }
1.84 + }
1.85 +
1.86 +void CWsRootWindow::SetColor(TRgb aColor)
1.87 + {
1.88 + BlankRedraw()->SetColor(aColor);
1.89 + }
1.90 +
1.91 +void CWsRootWindow::SetColorIfClear()
1.92 + {
1.93 + if (!BlankRedraw()->IsBackgroundColor())
1.94 + SetColor(iDefaultBackgroundColor);
1.95 + }
1.96 +
1.97 +const CWsWindow *CWsRootWindow::PointerWindow(const TPoint &aInPos,TPoint *aOutPos, TPoint *aParentPos,
1.98 + const CWsWindow *aGrabWin, const CWsWindow *&aOriginalWinItIsIn, const CWsWindowGroup *aForceInGroup)
1.99 +//
1.100 +// For aInPos (a global point on screen) find which window it is in, starting the search from 'this'.
1.101 +// aOutPos is set to be aInPos adjusted relative to the top left of the result window.
1.102 +// If the pointer is not in any of the searched windows the result is returned as though it was in 'this'
1.103 +// even though it may actually be oustside the bounds of this.
1.104 +//
1.105 +// If aForceInGroup==NULL search all groups otherwise only search it only
1.106 +//
1.107 + {
1.108 + aOriginalWinItIsIn=this;
1.109 + const CWsWindowGroup *group;
1.110 + const CWsWindowGroup *winItIsInGroup=aForceInGroup;
1.111 +//
1.112 +// First determine owner of the window the event is in regardless of any capture
1.113 +// This is so we can decide whether the capture affects this case or not
1.114 +//
1.115 + for(group=(aForceInGroup ? aForceInGroup:Child());group!=NULL;group=group->NextSibling())
1.116 + {
1.117 + CWsClientWindow *win=group->Child();
1.118 + while(win!=NULL)
1.119 + {
1.120 + const TRegion *baseArea=win->BaseArea();
1.121 + if (win->IsVisible() && baseArea->Contains(aInPos))
1.122 + {
1.123 + aOriginalWinItIsIn=win;
1.124 + winItIsInGroup=group;
1.125 + win=win->Child();
1.126 + }
1.127 + else
1.128 + win=win->NextSibling();
1.129 + }
1.130 + if (aOriginalWinItIsIn!=this || aForceInGroup!=NULL)
1.131 + break;
1.132 + }
1.133 +//
1.134 +// Then try again taking note of any pointer capture or grab
1.135 +//
1.136 + const CWsWindow *winItIsIn;
1.137 + if (aGrabWin!=NULL)
1.138 + winItIsIn=aGrabWin;
1.139 + else
1.140 + {
1.141 + winItIsIn=this;
1.142 + for(group=(aForceInGroup ? aForceInGroup:Child());group!=NULL;group=group->NextSibling())
1.143 + {
1.144 + CWsClientWindow *win=group->Child();
1.145 + while(win!=NULL)
1.146 + {
1.147 + const TRegion *baseArea=win->BaseArea();
1.148 + const TBool underTheSameGroup=winItIsInGroup==group;
1.149 + if (win->IsVisible() &&
1.150 + ((win->iFlags&EFlagPointerCaptured &&
1.151 + ((!underTheSameGroup && win->iFlags&EFlagPointerCaptureAllGroups) ||
1.152 + (winItIsInGroup==NULL && group==CWsTop::FocusWindowGroup()) ||
1.153 + (underTheSameGroup && win->iPointerCapturePriority>=aOriginalWinItIsIn->iPointerCapturePriority)))
1.154 + || baseArea->Contains(aInPos)))
1.155 + {
1.156 + winItIsIn=win;
1.157 + win=win->Child();
1.158 + }
1.159 + else
1.160 + win=win->NextSibling();
1.161 + }
1.162 + if (winItIsIn!=this || aForceInGroup!=NULL)
1.163 + break;
1.164 + }
1.165 + }
1.166 + if (aOutPos!=NULL)
1.167 + {
1.168 + *aOutPos=aInPos-winItIsIn->iOrigin;
1.169 + }
1.170 + if (aParentPos!=NULL)
1.171 + {
1.172 + const CWsWindowBase *win=winItIsIn->BaseParent();
1.173 + if (win==NULL)
1.174 + win=winItIsIn;
1.175 + *aParentPos=aInPos-win->Origin();
1.176 + }
1.177 + return(winItIsIn);
1.178 + }
1.179 +
1.180 +void CWsRootWindow::GenerateWindowRegion(RWsRegion &aRegion) const
1.181 + {
1.182 + aRegion.Clear();
1.183 + aRegion.AddRect(iAbs);
1.184 + if (iChild)
1.185 + {
1.186 + for(CWsClientWindow *win=FirstTopClientWindow();aRegion.Count()>0 && win!=NULL;win=win->NextSiblingMultiParent())
1.187 + {
1.188 + if (win->IsVisible())
1.189 + aRegion.SubRegion(*win->BaseArea());
1.190 + }
1.191 + }
1.192 + }
1.193 +
1.194 +void CWsRootWindow::CommandL(TInt , const TAny *)
1.195 + {
1.196 + WS_PANIC_ALWAYS(EWsPanicRootCommand);
1.197 + }
1.198 +
1.199 +void CWsRootWindow::InvalidateWholeScreen()
1.200 + {
1.201 + RWsRegion screen(iAbs);
1.202 + Invalidate(&screen);
1.203 + screen.Close();
1.204 + }
1.205 +
1.206 +void CWsRootWindow::Invalidate(RWsRegion* aRegion)
1.207 + {
1.208 + iScreen->AddRedrawRegion(*aRegion);
1.209 + }
1.210 +
1.211 +void CWsRootWindow::ScreenSizeChanged(const TBool aSwapWidthAndHeight)
1.212 + {
1.213 + // We have to disable the text cursor here while we are still in the
1.214 + // same orientation as we drew it.
1.215 + RWsTextCursor* cursor=CWsTop::CurrentTextCursor();
1.216 + if (cursor)
1.217 + {
1.218 + cursor->Disable();
1.219 + }
1.220 + iScreen->SetScalingFactor();
1.221 + iScreen->UpdateOrientation();
1.222 + iScreen->UpdateGcs();
1.223 + iScreen->UpdateOffScreenBitmapGc(aSwapWidthAndHeight);
1.224 + iArea.Clear();
1.225 + iAbs=iScreen->DrawableArea();
1.226 + iRel=iAbs;
1.227 + iArea.AddRect(iAbs);
1.228 + iOrigin=iAbs.iTl;
1.229 + for(CWsClientWindow *win=FirstTopClientWindow();win!=NULL;win=win->NextSiblingMultiParent())
1.230 + {
1.231 + win->RecalcChildAbs(NULL);
1.232 + }
1.233 + if (iScreen->BlankScreenOnRotation())
1.234 + {
1.235 + ClearDisplay();
1.236 + }
1.237 + iScreen->DiscardAllSchedules();
1.238 + CWsTop::ClearAllRedrawStores();
1.239 + OrientationChanged();
1.240 + iScreen->AbortAllDirectDrawing(RDirectScreenAccess::ETerminateRotation);
1.241 + iScreen->ScheduleRegionUpdate(&iArea);
1.242 + }
1.243 +
1.244 +void CWsRootWindow::OrientationChanged()
1.245 + {
1.246 + InvalidateWholeScreen();
1.247 + }
1.248 +
1.249 +void CWsRootWindow::ClearDisplay()
1.250 + {
1.251 + CFbsBitGc *gdi=iScreen->ScreenGdi();
1.252 + gdi->SetBrushStyle(CGraphicsContext::ESolidBrush);
1.253 + gdi->SetPenStyle(CGraphicsContext::ENullPen);
1.254 + gdi->SetOrientation(iScreen->Orientation());
1.255 + gdi->SetBrushColor(BackColor());
1.256 + gdi->SetDrawMode(CGraphicsContext::EDrawModeWriteAlpha);
1.257 + TRect absRect(AbsRect());
1.258 + gdi->DrawRect(absRect);
1.259 + gdi->SetDrawMode(CGraphicsContext::EDrawModePEN);
1.260 +
1.261 + TWindowServerEvent::NotifyScreenDrawingEvent(absRect);
1.262 + }
1.263 +
1.264 +void CWsRootWindow::SetSystemFaded(TBool aFaded, TUint8 aBlackMap, TUint8 aWhiteMap)
1.265 + {
1.266 + for(CWsWindowGroup* win=Child();win!=NULL;win=win->NextSibling())
1.267 + {
1.268 + TWalkWindowTreeSetFaded wwt(aFaded,win,aBlackMap,aWhiteMap);
1.269 + win->WalkWindowTree(wwt,EWalkChildren);
1.270 + }
1.271 + WS_ASSERT_DEBUG(Screen(),EWsPanicNoScreen);
1.272 + }
1.273 +
1.274 +CWsWindowGroup* CWsRootWindow::WindowGroup(TInt aWindowGroup)
1.275 + {
1.276 + CWsWindowBase* group=iChild;
1.277 + while (aWindowGroup-->0 && group)
1.278 + group=group->NextSibling();
1.279 + return static_cast<CWsWindowGroup*>(group);
1.280 + }
1.281 +
1.282 +CWsClientWindow *CWsRootWindow::FirstTopClientWindow() const
1.283 + {
1.284 + CWsWindowGroup* group;
1.285 + for(group=Child();group && group->Child()==NULL;group=group->NextSibling())
1.286 + {}
1.287 + return(group?group->Child():NULL);
1.288 + }
1.289 +
1.290 +const TRegion& CWsRootWindow::WindowArea() const
1.291 + {
1.292 + return iArea;
1.293 + }