source: trunk/MFCtooling/replay/WindowFinder.cpp @ 1752

#include "StdAfx.h"
#include "WindowFinder.h"

#include <algorithm>
#include <iostream>

BOOL CALLBACK EnumChildren(HWND hwnd, LPARAM lParam) {
        int resourceId = 0;
        int windowTextLen = 128;
        wchar_t * windowText = new wchar_t[128];
        int classNameLen = 128;
        wchar_t * className = new wchar_t[128];

        WindowFinder * finder = (WindowFinder*) lParam;

        resourceId = GetDlgCtrlID(hwnd);
        windowTextLen = GetWindowText(hwnd, windowText, windowTextLen);
        classNameLen = GetClassName(hwnd, className, classNameLen);

        finder->setEqualityScore(hwnd,resourceId, windowText, className);
        
        return TRUE;
}

WindowFinder::WindowFinder()
{
        evalPopup = false;
        parentHandles = NULL;
        success = true;
}

WindowFinder::~WindowFinder(void)
{
}

HWND WindowFinder::find(WindowData * winData) {
        currentWindow = winData;
        maxScore = 0;
        scores = new std::vector<std::pair<HWND, int>>();

        if( parentHandles==NULL ) {
                EnumWindows(EnumChildren, (LPARAM) this);
        } else {
                if( winData->isModal ) {
                        evalPopup = true;
                        EnumWindows(EnumChildren, (LPARAM) this);
                        evalPopup = false;
                } else {
                        for( size_t i=0 ; i<parentHandles->size() ; i++ ) {
                                EnumChildWindows((*parentHandles)[i], EnumChildren, (LPARAM) this);
                        }
                }
                delete parentHandles;
        }
        parentHandles = new std::vector<HWND>();
        for( size_t i=0 ; i<scores->size() ; i++ ) {
                if( (*scores)[i].second==maxScore ) {
                        parentHandles->push_back((*scores)[i].first);
                }
        }
        delete scores;
        
        HWND result = NULL;

        if( winData->child!=NULL ) {
                if( maxScore==0 ) {
                        std::wcerr << L"Warning: Score is zero." << std::endl;
                        errorMessage = L"score zero";
                        success = false;
                }
                result = find(winData->child);
        } else {
                if( parentHandles->size()==0 ) {
                        std::wcerr << L"Error: handle not found." << std::endl;
                        errorMessage = L"handle not found";
                        result = NULL;
                        success = false;
                }
                else {
                        if( parentHandles->size()!=1 ) {
                                std::wcerr << L"Warning: more than one fitting window found." << std::endl;
                                errorMessage = L"multiple matches";
                                success = false;
                        }
                        if( maxScore==0 ) {
                                std::wcerr << L"Warning: Score is zero." << std::endl;
                                errorMessage = L"score zero";
                                success = false;
                        }
                        result = (*parentHandles)[0];
                        delete parentHandles;
                }
        }
        return result;
}


void WindowFinder::setEqualityScore(HWND hwnd, int resourceId, wchar_t * windowName, wchar_t * className) {
        int score = 0;

        if( resourceId!=0 && currentWindow->resourceId==resourceId && currentWindow->name.compare(windowName)==0 && currentWindow->className.compare(className)==0 ) {
                score = 6;
        }
        else if( resourceId!=0 && currentWindow->resourceId==resourceId && currentWindow->name.compare(windowName)==0 ) {
                score = 5;
        }
        else if( resourceId!=0 && currentWindow->resourceId==resourceId ) {
                score = 4;
        }
        else if( currentWindow->name.compare(windowName)==0 && currentWindow->className.compare(className)==0 ) {
                score = 3;
        }
        else if( currentWindow->name.compare(windowName)==0 ) {
                score = 2;
        }
        else if( currentWindow->className.compare(className)==0 ) {
                score = 1;
        }
        if( evalPopup ) {
                HWND parent = GetParent(hwnd);
                if( std::find(parentHandles->begin(), parentHandles->end(), parent)==parentHandles->end() ) {
                        score = 0;
                }
        }

        scores->push_back(std::make_pair(hwnd, score));

        if( score>maxScore ) {
                maxScore = score;
        }
}

bool WindowFinder::isCurrentPopup() {
        return evalPopup;
}

bool WindowFinder::successfull() {
        return success;
}

std::wstring WindowFinder::getErrorMessage() {
        return errorMessage;
}