C++ CtrlDisAsmView::scrollWindow方法代码示例

void CDisasm::stepOver()
{
	if (Core_IsActive()) return;
	
	CtrlDisAsmView *ptr = CtrlDisAsmView::getFrom(GetDlgItem(m_hDlg,IDC_DISASMVIEW));
	lastTicks = CoreTiming::GetTicks();

	// If the current PC is on a breakpoint, the user doesn't want to do nothing.
	CBreakPoints::SetSkipFirst(currentMIPS->pc);
	u32 currentPc = cpu->GetPC();
	u32 windowEnd = ptr->getWindowEnd();

	MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(cpu,cpu->GetPC());
	ptr->setDontRedraw(true);
	u32 breakpointAddress = currentPc+cpu->getInstructionSize(0);
	if (info.isBranch)
	{
		if (info.isConditional == false)
		{
			if (info.isLinkedBranch)	// jal, jalr
			{
				// it's a function call with a delay slot - skip that too
				breakpointAddress += cpu->getInstructionSize(0);
			} else {					// j, ...
				// in case of absolute branches, set the breakpoint at the branch target
				breakpointAddress = info.branchTarget;
			}
		} else {						// beq, ...
			if (info.conditionMet)
			{
				breakpointAddress = info.branchTarget;
			} else {
				breakpointAddress = currentPc+2*cpu->getInstructionSize(0);
				if (breakpointAddress == windowEnd-4)
					ptr->scrollWindow(1);
				else if (breakpointAddress == windowEnd)
					ptr->scrollWindow(2);
				else if (breakpointAddress == windowEnd+4)
					ptr->scrollWindow(3);
			}
		}
	} else {
		if (breakpointAddress == windowEnd-4)
			ptr->scrollWindow(1);
		else if (breakpointAddress == windowEnd)
			ptr->scrollWindow(2);
	}

	SetDebugMode(false, true);
	CBreakPoints::AddBreakPoint(breakpointAddress,true);
	_dbg_update_();
	Core_EnableStepping(false);
	Sleep(1);
	ptr->gotoAddr(breakpointAddress);
	UpdateDialog();
}

void CDisasm::stepInto()
{
	if (!Core_IsStepping()) return;

	CtrlDisAsmView *ptr = CtrlDisAsmView::getFrom(GetDlgItem(m_hDlg,IDC_DISASMVIEW));
	lastTicks = CoreTiming::GetTicks();
	u32 currentPc = cpu->GetPC();
	u32 windowEnd = ptr->getWindowEnd();

	// If the current PC is on a breakpoint, the user doesn't want to do nothing.
	CBreakPoints::SetSkipFirst(currentMIPS->pc);
	u32 newAddress = currentPc+cpu->getInstructionSize(0);

	MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(cpu,currentPc);
	if (info.isBranch)
	{
		if (newAddress == windowEnd-4)
			ptr->scrollWindow(1);
		else if (newAddress == windowEnd)
			ptr->scrollWindow(2);
	} else {
		bool scroll = true;
		if (currentMIPS->inDelaySlot)
		{
			MIPSAnalyst::MipsOpcodeInfo prevInfo = MIPSAnalyst::GetOpcodeInfo(cpu,currentPc-cpu->getInstructionSize(0));
			if (!prevInfo.isConditional || prevInfo.conditionMet)
				scroll = false;
		}

		if (scroll)
		{
			if (newAddress == windowEnd-4)
				ptr->scrollWindow(1);
			else if (newAddress == windowEnd)
				ptr->scrollWindow(2);
		}
	}

	Core_DoSingleStep();		
	Sleep(1);
	_dbg_update_();
	ptr->gotoPC();
	UpdateDialog();
	vfpudlg->Update();

	CtrlMemView::getFrom(GetDlgItem(m_hDlg,IDC_DEBUGMEMVIEW))->redraw();
	threadList->reloadThreads();
	stackTraceView->loadStackTrace();
	updateThreadLabel(false);
}

LRESULT CALLBACK CtrlDisAsmView::wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	CtrlDisAsmView *ccp = CtrlDisAsmView::getFrom(hwnd);
	static bool lmbDown=false,rmbDown=false;
	switch(msg)
	{
	case WM_NCCREATE:
		// Allocate a new CustCtrl structure for this window.
		ccp = new CtrlDisAsmView(hwnd);
		
		// Continue with window creation.
		return ccp != NULL;
		
		// Clean up when the window is destroyed.
	case WM_NCDESTROY:
		delete ccp;
		break;
	case WM_SETFONT:
		break;
	case WM_SIZE:
		ccp->redraw();
		break;
	case WM_PAINT:
		ccp->onPaint(wParam,lParam);
		break;	
	case WM_VSCROLL:
		ccp->onVScroll(wParam,lParam);
		break;
	case WM_MOUSEWHEEL:
		ccp->dontRedraw = false;
		if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
		{
			ccp->scrollWindow(-3);
		} else if (GET_WHEEL_DELTA_WPARAM(wParam) < 0) {
			ccp->scrollWindow(3);
		}
		break;
	case WM_ERASEBKGND:
		return FALSE;
	case WM_KEYDOWN:
		ccp->onKeyDown(wParam,lParam);
		return 0;
	case WM_CHAR:
		ccp->onChar(wParam,lParam);
		return 0;
	case WM_SYSKEYDOWN:
		ccp->onKeyDown(wParam,lParam);
		return 0;		// return a value so that windows doesn't execute the standard syskey action
	case WM_KEYUP:
		ccp->onKeyUp(wParam,lParam);
		return 0;
	case WM_LBUTTONDOWN: lmbDown=true; ccp->onMouseDown(wParam,lParam,1); break;
	case WM_RBUTTONDOWN: rmbDown=true; ccp->onMouseDown(wParam,lParam,2); break;
	case WM_MOUSEMOVE:   ccp->onMouseMove(wParam,lParam,(lmbDown?1:0) | (rmbDown?2:0)); break;
	case WM_LBUTTONUP:   lmbDown=false; ccp->onMouseUp(wParam,lParam,1); break;
	case WM_RBUTTONUP:   rmbDown=false; ccp->onMouseUp(wParam,lParam,2); break;
	case WM_SETFOCUS:
		SetFocus(hwnd);
		ccp->hasFocus=true;
		ccp->redraw();
		break;
	case WM_KILLFOCUS:
		ccp->hasFocus=false;
		ccp->redraw();
		break;
	case WM_GETDLGCODE:
		if (lParam && ((MSG*)lParam)->message == WM_KEYDOWN)
		{
			switch (wParam)
			{
			case VK_TAB:
				return DLGC_WANTMESSAGE;
			default:
				return DLGC_WANTCHARS|DLGC_WANTARROWS;
			}
		}
		return DLGC_WANTCHARS|DLGC_WANTARROWS;
	default:
		break;
	}
	
	return DefWindowProc(hwnd, msg, wParam, lParam);
}