gistfile1.cpp

//2点のポイントからコントロールを選択する
BOOL CHSInternalDataAdmin::SetSelectFrom2Point(POINT in_pt1,POINT in_pt2){
  RECT rt;
	if(!this->lpData) return -1;

	if(in_pt1.x < in_pt2.x){
		rt.left = in_pt1.x;
		rt.right = in_pt2.x;
	}else{
		rt.left = in_pt2.x;
		rt.right = in_pt1.x;
	}

	if(in_pt1.y < in_pt2.y){
		rt.top = in_pt1.y;
		rt.bottom = in_pt2.y;
	}else{
		rt.top = in_pt2.y;
		rt.bottom = in_pt1.y;
	}

	if((rt.left == rt.right) && (rt.top == rt.bottom)) return FALSE;

	LPHSInternalData lpClassData = this->lpData;
	do
	{
		RECT rt_obj;

		this->GetControlRect(lpClassData->Data.hControl , &rt_obj);

		//完全に囲まれているかどうかの検証
		if((rt.left <= rt_obj.left) &&  (rt.right >= rt_obj.right)){
			if((rt.top <= rt_obj.top) &&  (rt.bottom >= rt_obj.bottom)){
				this->SetSelected(lpClassData->Data.hControl , TRUE);
				continue;
			}
		}

		//選択範囲の左の辺がオブジェクトの中を通っているかの検証
		if((rt_obj.left <= rt.left) && (rt_obj.right >= rt.left)){
			if((rt.top <= rt_obj.top) &&  (rt.bottom >= rt_obj.bottom)){
				this->SetSelected(lpClassData->Data.hControl , TRUE);
				continue;
			}
		}

		//選択範囲の右の辺がオブジェクトの中を通っているかの検証
		if((rt_obj.left <= rt.right) && (rt_obj.right >= rt.right)){
			if((rt.top <= rt_obj.top) &&  (rt.bottom >= rt_obj.bottom)){
				this->SetSelected(lpClassData->Data.hControl , TRUE);
				continue;
			}
		}



		//選択範囲の上の辺がオブジェクトの中を通っているかの検証
		if ((rt_obj.top <= rt.top) && (rt_obj.bottom >= rt.top)){
			if((rt.left <= rt_obj.left) &&  (rt.right >= rt_obj.right)){
				this->SetSelected(lpClassData->Data.hControl , TRUE);
				continue;
			}
		}

		//選択範囲の下の辺がオブジェクトの中を通っているかの検証
		if ((rt_obj.top <= rt.bottom) && (rt_obj.bottom >= rt.bottom)){
			if((rt.left <= rt_obj.left) &&  (rt.right >= rt_obj.right)){
				this->SetSelected(lpClassData->Data.hControl , TRUE);
				continue;
			}
		}

	} while (lpClassData = lpClassData->lpNext);

	return TRUE;
}