1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/UTILS.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,303 @@
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 +// General utility functions that don't belong anywhere else
1.18 +//
1.19 +//
1.20 +
1.21 +#include "server.h"
1.22 +#include "rootwin.h"
1.23 +#include "wstop.h"
1.24 +#include "panics.h"
1.25 +
1.26 +GLREF_D CDebugLogBase *wsDebugLog;
1.27 +
1.28 +GLDEF_C RWsRegion *GetRegionFromClientL(CWsClient *aClient, TInt aCount)
1.29 + {
1.30 + TInt bufSize=sizeof(TRect)*aCount;
1.31 + TUint8* rectList=STATIC_CAST(TUint8*,User::Alloc(bufSize));
1.32 + User::LeaveIfNull(rectList);
1.33 + CleanupStack::PushL(rectList);
1.34 + TPtr8 rectBuf(rectList,bufSize);
1.35 + aClient->RemoteRead(rectBuf,0);
1.36 + RWsRegion* region=new(ELeave) RWsRegion(aCount,REINTERPRET_CAST(TRect*,rectList));
1.37 + CleanupStack::Pop(rectList);
1.38 + return(region);
1.39 + }
1.40 +
1.41 +GLDEF_C TInt ExternalizeRegionL(RWriteStream& aWriteStream, const RWsRegion& aRegion)
1.42 + {
1.43 + TInt dataLen = sizeof(TRect)*aRegion.Count();
1.44 + aWriteStream.WriteInt32L(aRegion.Count());
1.45 + aWriteStream.WriteL(REINTERPRET_CAST(const TUint8*,aRegion.RectangleList()),dataLen);
1.46 + aWriteStream.CommitL();
1.47 + return sizeof(TInt32)+dataLen;
1.48 + }
1.49 +
1.50 +GLDEF_C RWsRegion* InternalizeRegionL(RReadStream& aReadStream)
1.51 + {
1.52 + TInt numRects = aReadStream.ReadInt32L();
1.53 + TInt bufSize = sizeof(TRect)*numRects;
1.54 + // Allocate buffer for list of clipping rectangles. We leave if we
1.55 + // cannot create the buffer
1.56 + TUint8* rectList = static_cast<TUint8*>(User::AllocL(bufSize));
1.57 + CleanupStack::PushL(rectList);
1.58 + // Read the list of rectangles into the buffer
1.59 + aReadStream.ReadL(rectList,bufSize);
1.60 + // Point member pointer to our new rectangle list buffer
1.61 + RWsRegion* region = new(ELeave) RWsRegion(numRects,reinterpret_cast<TRect*>(rectList));
1.62 + CleanupStack::Pop(rectList);
1.63 + return region;
1.64 + }
1.65 +
1.66 +void Panic(TWservPanic aPanic)
1.67 + {
1.68 + if (wsDebugLog)
1.69 + wsDebugLog->Panic(CDebugLogBase::EDummyConnectionId,aPanic); //Dummy value meaning WSERV
1.70 + _LIT(KWSERVInternalPanicCategory,"WSERV-INTERNAL");
1.71 + User::Panic(KWSERVInternalPanicCategory,aPanic);
1.72 + }
1.73 +
1.74 +_LIT(KWSERVPanicDesc1,"WServ internal Panic %S, in file %S @ line %i");
1.75 +_LIT(KWSERVPanicDesc2,"Assert condition = \"%S\"");
1.76 +
1.77 +void PanicWithInfo(TWservPanic aPanic, const TDesC& aFileName, const TDesC& aPanicName, TInt aLine)
1.78 + {
1.79 + TBuf<256> buf;
1.80 + buf.Format(KWSERVPanicDesc1, &aPanicName, &aFileName, aLine);
1.81 + RDebug::Print(buf);
1.82 + if (wsDebugLog)
1.83 + {
1.84 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);
1.85 + }
1.86 + Panic(aPanic);
1.87 + }
1.88 +
1.89 +void PanicWithCondAndInfo(TWservPanic aPanic, const TDesC& aCondition, const TDesC& aFileName, const TDesC& aPanicName, TInt aLine)
1.90 + {
1.91 + TBuf<256> buf;
1.92 + buf.Format(KWSERVPanicDesc1, &aPanicName, &aFileName, aLine);
1.93 + RDebug::Print(buf);
1.94 + if (wsDebugLog)
1.95 + {
1.96 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);
1.97 + }
1.98 + buf.Format(KWSERVPanicDesc2, &aCondition);
1.99 + RDebug::Print(buf);
1.100 + if (wsDebugLog)
1.101 + {
1.102 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);
1.103 + }
1.104 + Panic(aPanic);
1.105 + }
1.106 +
1.107 +
1.108 +GLDEF_C void StateDump()
1.109 + {
1.110 + CWsTop::StateDump();
1.111 + }
1.112 +
1.113 +GLDEF_C void StateDump(CWsRootWindow* aRootWindow)
1.114 + {
1.115 + TBool enabled=wsDebugLog!=NULL;
1.116 + if (!enabled)
1.117 + {
1.118 + CWsTop::EnableLogging();
1.119 + if (!wsDebugLog)
1.120 + return; // Failed to enable logging so give up
1.121 + }
1.122 +//
1.123 + _LIT(LogLine,"===========");
1.124 + _LIT(KWSERVStateLogWindowTree,"Window tree");
1.125 + TBuf<128> buf;
1.126 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);
1.127 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,KWSERVStateLogWindowTree);
1.128 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);
1.129 +
1.130 + CWsWindowBase *win=aRootWindow;
1.131 + TInt inset=0;
1.132 + _LIT(KWSERVStateInsetLevelValue,"%*p");
1.133 + FOREVER
1.134 + {
1.135 + buf.Format(KWSERVStateInsetLevelValue,Min(inset<<1,20));
1.136 + win->StatusDump(buf);
1.137 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf);
1.138 + if (win->BaseChild())
1.139 + {
1.140 + ++inset;
1.141 + win=win->BaseChild();
1.142 + continue;
1.143 + }
1.144 + while(!win->NextSibling() && win!=aRootWindow)
1.145 + {
1.146 + win=win->BaseParent();
1.147 + --inset;
1.148 + }
1.149 + if (win==aRootWindow)
1.150 + break; //Will break here if there is only the root window or the tree walk has returned to it
1.151 + win=win->NextSibling();
1.152 + }
1.153 + wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);
1.154 +//
1.155 + if (!enabled)
1.156 + CWsTop::DisableLogging();
1.157 + }
1.158 +
1.159 +GLDEF_C void HeapDump()
1.160 + {
1.161 + TBool enabled=(wsDebugLog!=NULL);
1.162 + if (!enabled)
1.163 + CWsTop::EnableLogging();
1.164 + if (wsDebugLog) // Just in case enable failed
1.165 + wsDebugLog->HeapDump();
1.166 + if (!enabled)
1.167 + CWsTop::DisableLogging();
1.168 + }
1.169 +
1.170 +#if defined(_DEBUG)
1.171 +//GLREF_C void ForceLog(TInt aPriority,const TDesC &aText,TInt aParam=0);
1.172 +//ForceLog(CDebugLogBase::ELogImportant,_L("Value=%d"),345);
1.173 +//TLogMessageText buf;
1.174 +//_LIT(KLog,"Count=%d, Object=0x%x");
1.175 +//buf.Format(KLog,Count(),this);
1.176 +//ForceLog(CDebugLogBase::ELogImportant,buf);
1.177 +GLDEF_C void ForceLog(TInt aPriority,const TDesC &aText,TInt aParam=0)
1.178 + {
1.179 + TBool enabled=(wsDebugLog!=NULL);
1.180 + if (!enabled)
1.181 + CWsTop::EnableLogging();
1.182 + if (wsDebugLog) // Just in case enable failed
1.183 + {
1.184 + wsDebugLog->MiscMessage(aPriority,aText,aParam);
1.185 + if (!enabled)
1.186 + CWsTop::DisableLogging();
1.187 + }
1.188 + }
1.189 +#endif
1.190 +
1.191 +LOCAL_C TDisplayMode DisplayMode(TBool aIsColor,TInt aNumColors)
1.192 + {
1.193 +
1.194 + if (aIsColor)
1.195 + {
1.196 + switch(aNumColors)
1.197 + {
1.198 + case 16:
1.199 + return EColor16;
1.200 + case 256:
1.201 + return EColor256;
1.202 + case 4096:
1.203 + return EColor4K;
1.204 + case 65536:
1.205 + return EColor64K;
1.206 + case 16777216:
1.207 + return CFbsDevice::DisplayMode16M();
1.208 + default:
1.209 + return ENone;
1.210 + }
1.211 + }
1.212 + else
1.213 + {
1.214 + switch(aNumColors)
1.215 + {
1.216 + case 2:
1.217 + return EGray2;
1.218 + case 4:
1.219 + return EGray4;
1.220 + case 16:
1.221 + return EGray16;
1.222 + case 256:
1.223 + return EGray256;
1.224 + default:
1.225 + return ENone;
1.226 + }
1.227 + }
1.228 + }
1.229 +
1.230 +GLDEF_C TDisplayMode ParseDisplayMode(const TDesC& aModeName)
1.231 + {
1.232 + // Not using _LIT because we only want the string temporarily, not permanently on the heap.
1.233 + if (!aModeName.CompareF(_L("EColor16MAP")))
1.234 + return EColor16MAP;
1.235 + else if (!aModeName.CompareF(_L("EColor16MA")))
1.236 + return EColor16MA;
1.237 + else if (!aModeName.CompareF(_L("EColor16MU")))
1.238 + return EColor16MU;
1.239 + else if (!aModeName.CompareF(_L("EColor64K")))
1.240 + return EColor64K;
1.241 + else if (!aModeName.CompareF(_L("EColor4K")))
1.242 + return EColor4K;
1.243 + else if (!aModeName.CompareF(_L("EColor256")))
1.244 + return EColor256;
1.245 + else if (!aModeName.CompareF(_L("EColor16")))
1.246 + return EColor16;
1.247 + else if (!aModeName.CompareF(_L("EGray256")))
1.248 + return EGray256;
1.249 + else if (!aModeName.CompareF(_L("EGray16")))
1.250 + return EGray16;
1.251 + else if (!aModeName.CompareF(_L("EGray4")))
1.252 + return EGray4;
1.253 + else if (!aModeName.CompareF(_L("EGray2")))
1.254 + return EGray2;
1.255 + else // old wserv magic
1.256 + { // this code supports the old "ColorXXX" and "GrayXXX" formats etc
1.257 + TPtrC ptr(aModeName);
1.258 + TBool isColor=EFalse;
1.259 +
1.260 + if (ptr[0]=='C' || ptr[0]=='c')
1.261 + isColor=ETrue;
1.262 + else if (ptr[0]=='A' || ptr[0]=='a')
1.263 + return EColor16MA;
1.264 + else if (ptr[0]=='P' || ptr[0]=='p')
1.265 + return EColor16MAP;
1.266 + else if (ptr[0]!='G' && ptr[0]!='g')
1.267 + return ENone;
1.268 +
1.269 + TInt pos=0;
1.270 + while (!TChar(ptr[++pos]).IsDigit())
1.271 + {}
1.272 + TLex lex(ptr.Mid(pos));
1.273 + TInt numCols;
1.274 + if (lex.Val(numCols)!=KErrNone)
1.275 + return ENone;
1.276 + lex.SkipSpace();
1.277 + TChar units=lex.Get();
1.278 + if (units=='K' || units=='k')
1.279 + numCols<<=10;
1.280 + else if (units=='M' || units=='m')
1.281 + numCols<<=20;
1.282 + TDisplayMode mode = DisplayMode(isColor,numCols);
1.283 +
1.284 + #if defined(__WINS__)
1.285 + //This is a special case for the emulator since the default
1.286 + //screen packing can be overridden by the wsini.ini setting
1.287 +
1.288 + //This code does nothing is iDefaultDisplayMode is not
1.289 + //EColor16M.- see graphics/screendriver/swins/scnew.cpp
1.290 + //function CFbsDrawDevice::DisplayMode16M().
1.291 + if(mode==EColor16M)
1.292 + {
1.293 + TChar packed=lex.Get();
1.294 + if ((packed=='U')||(packed=='u'))
1.295 + {
1.296 + mode=EColor16MU;
1.297 + }
1.298 + }
1.299 +
1.300 + //However setting this will give four shades of grey since
1.301 + //the code does not support 16MU and 16M at the same time.
1.302 + #endif
1.303 + return mode;
1.304 + }
1.305 + }
1.306 +